Actualización

vendor/apereo/phpcas/source/CAS/AuthenticationException.php

@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/AuthenticationException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines methods that allow proxy-authenticated service handlers
+ * to interact with phpCAS.
+ *
+ * Proxy service handlers must implement this interface as well as call
+ * phpCAS::initializeProxiedService($this) at some point in their implementation.
+ *
+ * While not required, proxy-authenticated service handlers are encouraged to
+ * implement the CAS_ProxiedService_Testable interface to facilitate unit testing.
+ *
+ * @class    CAS_AuthenticationException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_AuthenticationException
+extends RuntimeException
+implements CAS_Exception
+{
+
+    /**
+     * This method is used to print the HTML output when the user was not
+     * authenticated.
+     *
+     * @param CAS_Client $client       phpcas client
+     * @param string     $failure      the failure that occured
+     * @param string     $cas_url      the URL the CAS server was asked for
+     * @param bool       $no_response  the response from the CAS server (other
+     * parameters are ignored if TRUE)
+     * @param bool       $bad_response bad response from the CAS server ($err_code
+     * and $err_msg ignored if TRUE)
+     * @param string     $cas_response the response of the CAS server
+     * @param int        $err_code     the error code given by the CAS server
+     * @param string     $err_msg      the error message given by the CAS server
+     */
+    public function __construct($client,$failure,$cas_url,$no_response,
+        $bad_response=false,$cas_response='',$err_code=-1,$err_msg=''
+    ) {
+        $messages = array();
+        phpCAS::traceBegin();
+        $lang = $client->getLangObj();
+        $client->printHTMLHeader($lang->getAuthenticationFailed());
+
+        if (phpCAS::getVerbose()) {
+            printf(
+                $lang->getYouWereNotAuthenticated(),
+                htmlentities($client->getURL()),
+                $_SERVER['SERVER_ADMIN'] ?? ''
+            );
+        }
+
+        phpCAS::trace($messages[] = 'CAS URL: '.$cas_url);
+        phpCAS::trace($messages[] = 'Authentication failure: '.$failure);
+        if ( $no_response ) {
+            phpCAS::trace($messages[] = 'Reason: no response from the CAS server');
+        } else {
+            if ( $bad_response ) {
+                phpCAS::trace($messages[] = 'Reason: bad response from the CAS server');
+            } else {
+                switch ($client->getServerVersion()) {
+                case CAS_VERSION_1_0:
+                    phpCAS::trace($messages[] = 'Reason: CAS error');
+                    break;
+                case CAS_VERSION_2_0:
+                case CAS_VERSION_3_0:
+                    if ( $err_code === -1 ) {
+                        phpCAS::trace($messages[] = 'Reason: no CAS error');
+                    } else {
+                        phpCAS::trace($messages[] = 'Reason: ['.$err_code.'] CAS error: '.$err_msg);
+                    }
+                    break;
+                }
+            }
+            phpCAS::trace($messages[] = 'CAS response: '.$cas_response);
+        }
+        $client->printHTMLFooter();
+        phpCAS::traceExit();
+
+        parent::__construct(implode("\n", $messages));
+    }
+
+}
+?>

vendor/apereo/phpcas/source/CAS/Autoload.php

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * Autoloader Class
+ *
+ *  PHP Version 7
+ *
+ * @file      CAS/Autoload.php
+ * @category  Authentication
+ * @package   SimpleCAS
+ * @author    Brett Bieber <brett.bieber@gmail.com>
+ * @copyright 2008 Regents of the University of Nebraska
+ * @license   http://www1.unl.edu/wdn/wiki/Software_License BSD License
+ * @link      http://code.google.com/p/simplecas/
+ **/
+
+/**
+ * Autoload a class
+ *
+ * @param string $class Classname to load
+ *
+ * @return bool
+ */
+function CAS_autoload($class)
+{
+    // Static to hold the Include Path to CAS
+    static $include_path;
+    // Check only for CAS classes
+    if (substr($class, 0, 4) !== 'CAS_' && substr($class, 0, 7) !== 'PhpCas\\') {
+        return false;
+    }
+
+    // Setup the include path if it's not already set from a previous call
+    if (empty($include_path)) {
+        $include_path = array(dirname(__DIR__));
+    }
+
+    // Declare local variable to store the expected full path to the file
+    foreach ($include_path as $path) {
+        $class_path = str_replace('_', DIRECTORY_SEPARATOR, $class);
+        // PhpCas namespace mapping
+        if (substr($class_path, 0, 7) === 'PhpCas\\') {
+            $class_path = 'CAS' . DIRECTORY_SEPARATOR . substr($class_path, 7);
+        }
+
+        $file_path = $path . DIRECTORY_SEPARATOR . $class_path . '.php';
+        $fp = @fopen($file_path, 'r', true);
+        if ($fp) {
+            fclose($fp);
+            include $file_path;
+            if (!class_exists($class, false) && !interface_exists($class, false)) {
+                die(
+                    new Exception(
+                        'Class ' . $class . ' was not present in ' .
+                        $file_path .
+                        ' [CAS_autoload]'
+                    )
+                );
+            }
+            return true;
+        }
+    }
+
+    $e = new Exception(
+        'Class ' . $class . ' could not be loaded from ' .
+        $file_path . ', file does not exist (Path="'
+        . implode(':', $include_path) .'") [CAS_autoload]'
+    );
+    $trace = $e->getTrace();
+    if (isset($trace[2]) && isset($trace[2]['function'])
+        && in_array($trace[2]['function'], array('class_exists', 'interface_exists', 'trait_exists'))
+    ) {
+        return false;
+    }
+    if (isset($trace[1]) && isset($trace[1]['function'])
+        && in_array($trace[1]['function'], array('class_exists', 'interface_exists', 'trait_exists'))
+    ) {
+        return false;
+    }
+    die ((string) $e);
+}
+
+// Set up autoload if not already configured by composer.
+if (!class_exists('CAS_Client'))
+{
+    trigger_error('phpCAS autoloader is deprecated. Install phpCAS using composer instead.', E_USER_DEPRECATED);
+    spl_autoload_register('CAS_autoload');
+    if (function_exists('__autoload')
+        && !in_array('__autoload', spl_autoload_functions())
+    ) {
+        // __autoload() was being used, but now would be ignored, add
+        // it to the autoload stack
+        spl_autoload_register('__autoload');
+    }
+}

vendor/apereo/phpcas/source/CAS/CookieJar.php

@@ -0,0 +1,385 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/CookieJar.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class provides access to service cookies and handles parsing of response
+ * headers to pull out cookie values.
+ *
+ * @class    CAS_CookieJar
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_CookieJar
+{
+
+    private $_cookies;
+
+    /**
+     * Create a new cookie jar by passing it a reference to an array in which it
+     * should store cookies.
+     *
+     * @param array &$storageArray Array to store cookies
+     *
+     * @return void
+     */
+    public function __construct (array &$storageArray)
+    {
+        $this->_cookies =& $storageArray;
+    }
+
+    /**
+     * Store cookies for a web service request.
+     * Cookie storage is based on RFC 2965: http://www.ietf.org/rfc/rfc2965.txt
+     *
+     * @param string $request_url      The URL that generated the response headers.
+     * @param array  $response_headers An array of the HTTP response header strings.
+     *
+     * @return void
+     *
+     * @access private
+     */
+    public function storeCookies ($request_url, $response_headers)
+    {
+        $urlParts = parse_url($request_url);
+        $defaultDomain = $urlParts['host'];
+
+        $cookies = $this->parseCookieHeaders($response_headers, $defaultDomain);
+
+        foreach ($cookies as $cookie) {
+            // Enforce the same-origin policy by verifying that the cookie
+            // would match the url that is setting it
+            if (!$this->cookieMatchesTarget($cookie, $urlParts)) {
+                continue;
+            }
+
+            // store the cookie
+            $this->storeCookie($cookie);
+
+            phpCAS::trace($cookie['name'].' -> '.$cookie['value']);
+        }
+    }
+
+    /**
+     * Retrieve cookies applicable for a web service request.
+     * Cookie applicability is based on RFC 2965: http://www.ietf.org/rfc/rfc2965.txt
+     *
+     * @param string $request_url The url that the cookies will be for.
+     *
+     * @return array An array containing cookies. E.g. array('name' => 'val');
+     *
+     * @access private
+     */
+    public function getCookies ($request_url)
+    {
+        if (!count($this->_cookies)) {
+            return array();
+        }
+
+        // If our request URL can't be parsed, no cookies apply.
+        $target = parse_url($request_url);
+        if ($target === false) {
+            return array();
+        }
+
+        $this->expireCookies();
+
+        $matching_cookies = array();
+        foreach ($this->_cookies as $key => $cookie) {
+            if ($this->cookieMatchesTarget($cookie, $target)) {
+                $matching_cookies[$cookie['name']] = $cookie['value'];
+            }
+        }
+        return $matching_cookies;
+    }
+
+
+    /**
+     * Parse Cookies without PECL
+     * From the comments in http://php.net/manual/en/function.http-parse-cookie.php
+     *
+     * @param array  $header        array of header lines.
+     * @param string $defaultDomain The domain to use if none is specified in
+     * the cookie.
+     *
+     * @return array of cookies
+     */
+    protected function parseCookieHeaders( $header, $defaultDomain )
+    {
+        phpCAS::traceBegin();
+        $cookies = array();
+        foreach ( $header as $line ) {
+            if ( preg_match('/^Set-Cookie2?: /i', $line)) {
+                $cookies[] = $this->parseCookieHeader($line, $defaultDomain);
+            }
+        }
+
+        phpCAS::traceEnd($cookies);
+        return $cookies;
+    }
+
+    /**
+     * Parse a single cookie header line.
+     *
+     * Based on RFC2965 http://www.ietf.org/rfc/rfc2965.txt
+     *
+     * @param string $line          The header line.
+     * @param string $defaultDomain The domain to use if none is specified in
+     * the cookie.
+     *
+     * @return array
+     */
+    protected function parseCookieHeader ($line, $defaultDomain)
+    {
+        if (!$defaultDomain) {
+            throw new CAS_InvalidArgumentException(
+                '$defaultDomain was not provided.'
+            );
+        }
+
+        // Set our default values
+        $cookie = array(
+            'domain' => $defaultDomain,
+            'path' => '/',
+            'secure' => false,
+        );
+
+        $line = preg_replace('/^Set-Cookie2?: /i', '', trim($line));
+
+        // trim any trailing semicolons.
+        $line = trim($line, ';');
+
+        phpCAS::trace("Cookie Line: $line");
+
+        // This implementation makes the assumption that semicolons will not
+        // be present in quoted attribute values. While attribute values that
+        // contain semicolons are allowed by RFC2965, they are hopefully rare
+        // enough to ignore for our purposes. Most browsers make the same
+        // assumption.
+        $attributeStrings = explode(';', $line);
+
+        foreach ( $attributeStrings as $attributeString ) {
+            // split on the first equals sign and use the rest as value
+            $attributeParts = explode('=', $attributeString, 2);
+
+            $attributeName = trim($attributeParts[0]);
+            $attributeNameLC = strtolower($attributeName);
+
+            if (isset($attributeParts[1])) {
+                $attributeValue = trim($attributeParts[1]);
+                // Values may be quoted strings.
+                if (strpos($attributeValue, '"') === 0) {
+                    $attributeValue = trim($attributeValue, '"');
+                    // unescape any escaped quotes:
+                    $attributeValue = str_replace('\"', '"', $attributeValue);
+                }
+            } else {
+                $attributeValue = null;
+            }
+
+            switch ($attributeNameLC) {
+            case 'expires':
+                $cookie['expires'] = strtotime($attributeValue);
+                break;
+            case 'max-age':
+                $cookie['max-age'] = (int)$attributeValue;
+                // Set an expiry time based on the max-age
+                if ($cookie['max-age']) {
+                    $cookie['expires'] = time() + $cookie['max-age'];
+                } else {
+                    // If max-age is zero, then the cookie should be removed
+                    // imediately so set an expiry before now.
+                    $cookie['expires'] = time() - 1;
+                }
+                break;
+            case 'secure':
+                $cookie['secure'] = true;
+                break;
+            case 'domain':
+            case 'path':
+            case 'port':
+            case 'version':
+            case 'comment':
+            case 'commenturl':
+            case 'discard':
+            case 'httponly':
+            case 'samesite':
+                $cookie[$attributeNameLC] = $attributeValue;
+                break;
+            default:
+                $cookie['name'] = $attributeName;
+                $cookie['value'] = $attributeValue;
+            }
+        }
+
+        return $cookie;
+    }
+
+    /**
+     * Add, update, or remove a cookie.
+     *
+     * @param array $cookie A cookie array as created by parseCookieHeaders()
+     *
+     * @return void
+     *
+     * @access protected
+     */
+    protected function storeCookie ($cookie)
+    {
+        // Discard any old versions of this cookie.
+        $this->discardCookie($cookie);
+        $this->_cookies[] = $cookie;
+
+    }
+
+    /**
+     * Discard an existing cookie
+     *
+     * @param array $cookie An cookie
+     *
+     * @return void
+     *
+     * @access protected
+     */
+    protected function discardCookie ($cookie)
+    {
+        if (!isset($cookie['domain'])
+            || !isset($cookie['path'])
+            || !isset($cookie['path'])
+        ) {
+            throw new CAS_InvalidArgumentException('Invalid Cookie array passed.');
+        }
+
+        foreach ($this->_cookies as $key => $old_cookie) {
+            if ( $cookie['domain'] == $old_cookie['domain']
+                && $cookie['path'] == $old_cookie['path']
+                && $cookie['name'] == $old_cookie['name']
+            ) {
+                unset($this->_cookies[$key]);
+            }
+        }
+    }
+
+    /**
+     * Go through our stored cookies and remove any that are expired.
+     *
+     * @return void
+     *
+     * @access protected
+     */
+    protected function expireCookies ()
+    {
+        foreach ($this->_cookies as $key => $cookie) {
+            if (isset($cookie['expires']) && $cookie['expires'] < time()) {
+                unset($this->_cookies[$key]);
+            }
+        }
+    }
+
+    /**
+     * Answer true if cookie is applicable to a target.
+     *
+     * @param array $cookie An array of cookie attributes.
+     * @param array|false $target An array of URL attributes as generated by parse_url().
+     *
+     * @return bool
+     *
+     * @access private
+     */
+    protected function cookieMatchesTarget ($cookie, $target)
+    {
+        if (!is_array($target)) {
+            throw new CAS_InvalidArgumentException(
+                '$target must be an array of URL attributes as generated by parse_url().'
+            );
+        }
+        if (!isset($target['host'])) {
+            throw new CAS_InvalidArgumentException(
+                '$target must be an array of URL attributes as generated by parse_url().'
+            );
+        }
+
+        // Verify that the scheme matches
+        if ($cookie['secure'] && $target['scheme'] != 'https') {
+            return false;
+        }
+
+        // Verify that the host matches
+        // Match domain and mulit-host cookies
+        if (strpos($cookie['domain'], '.') === 0) {
+            // .host.domain.edu cookies are valid for host.domain.edu
+            if (substr($cookie['domain'], 1) == $target['host']) {
+                // continue with other checks
+            } else {
+                // non-exact host-name matches.
+                // check that the target host a.b.c.edu is within .b.c.edu
+                $pos = strripos($target['host'], $cookie['domain']);
+                if (!$pos) {
+                    return false;
+                }
+                // verify that the cookie domain is the last part of the host.
+                if ($pos + strlen($cookie['domain']) != strlen($target['host'])) {
+                    return false;
+                }
+                // verify that the host name does not contain interior dots as per
+                // RFC 2965 section 3.3.2  Rejecting Cookies
+                // http://www.ietf.org/rfc/rfc2965.txt
+                $hostname = substr($target['host'], 0, $pos);
+                if (strpos($hostname, '.') !== false) {
+                    return false;
+                }
+            }
+        } else {
+            // If the cookie host doesn't begin with '.',
+            // the host must case-insensitive match exactly
+            if (strcasecmp($target['host'], $cookie['domain']) !== 0) {
+                return false;
+            }
+        }
+
+        // Verify that the port matches
+        if (isset($cookie['ports'])
+            && !in_array($target['port'], $cookie['ports'])
+        ) {
+            return false;
+        }
+
+        // Verify that the path matches
+        if (strpos($target['path'], $cookie['path']) !== 0) {
+            return false;
+        }
+
+        return true;
+    }
+
+}
+
+?>

vendor/apereo/phpcas/source/CAS/Exception.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Exception.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * A root exception interface for all exceptions in phpCAS.
+ *
+ * All exceptions thrown in phpCAS should implement this interface to allow them
+ * to be caught as a category by clients. Each phpCAS exception should extend
+ * an appropriate SPL exception class that best fits its type.
+ *
+ * For example, an InvalidArgumentException in phpCAS should be defined as
+ *
+ *		class CAS_InvalidArgumentException
+ *			extends InvalidArgumentException
+ *			implements CAS_Exception
+ *		{ }
+ *
+ * This definition allows the CAS_InvalidArgumentException to be caught as either
+ * an InvalidArgumentException or as a CAS_Exception.
+ *
+ * @class    CAS_Exception
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ */
+interface CAS_Exception
+{
+
+}
+?>

vendor/apereo/phpcas/source/CAS/GracefullTerminationException.php

@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/GracefullTerminationException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * An exception for terminatinating execution or to throw for unit testing
+ *
+ * @class     CAS_GracefullTerminationException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_GracefullTerminationException
+extends RuntimeException
+implements CAS_Exception
+{
+
+    /**
+     * Test if exceptions should be thrown or if we should just exit.
+     * In production usage we want to just exit cleanly when prompting the user
+     * for a redirect without filling the error logs with uncaught exceptions.
+     * In unit testing scenarios we cannot exit or we won't be able to continue
+     * with our tests.
+     *
+     * @param string $message Message Text
+     * @param int $code    Error code
+     *
+     * @return self
+     */
+    public function __construct ($message = 'Terminate Gracefully', $code = 0)
+    {
+        // Exit cleanly to avoid filling up the logs with uncaught exceptions.
+        if (self::$_exitWhenThrown) {
+            exit;
+        } else {
+            // Throw exceptions to allow unit testing to continue;
+            parent::__construct($message, $code);
+        }
+    }
+
+    private static $_exitWhenThrown = true;
+    /**
+    * Force phpcas to thow Exceptions instead of calling exit()
+    * Needed for unit testing. Generally shouldn't be used in production due to
+    * an increase in Apache error logging if CAS_GracefulTerminiationExceptions
+    * are not caught and handled.
+    *
+    * @return void
+    */
+    public static function throwInsteadOfExiting()
+    {
+        self::$_exitWhenThrown = false;
+    }
+
+}
+?>

vendor/apereo/phpcas/source/CAS/InvalidArgumentException.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/InvalidArgumentException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Exception that denotes invalid arguments were passed.
+ *
+ * @class    CAS_InvalidArgumentException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_InvalidArgumentException
+extends InvalidArgumentException
+implements CAS_Exception
+{
+
+}
+?>

vendor/apereo/phpcas/source/CAS/Languages/Catalan.php

@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Catalan.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Iván-Benjamín García Torà <ivaniclixx@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Catalan language class
+ *
+ * @class    CAS_Languages_Catalan
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Iván-Benjamín García Torà <ivaniclixx@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_Catalan implements CAS_Languages_LanguageInterface
+{
+    /**
+    * Get the using server string
+    *
+    * @return string using server
+    */
+    public function getUsingServer()
+    {
+        return 'usant servidor';
+    }
+
+    /**
+    * Get authentication wanted string
+    *
+    * @return string authentication wanted
+    */
+    public function getAuthenticationWanted()
+    {
+        return 'Autentificació CAS necessària!';
+    }
+
+    /**
+    * Get logout string
+    *
+    * @return string logout
+    */
+    public function getLogout()
+    {
+        return 'Sortida de CAS necessària!';
+    }
+
+    /**
+    * Get the should have been redirected string
+    *
+    * @return string should habe been redirected
+    */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Ja hauria d\ haver estat redireccionat al servidor CAS. Feu click <a href="%s">aquí</a> per a continuar.';
+    }
+
+    /**
+    * Get authentication failed string
+    *
+    * @return string authentication failed
+    */
+    public function getAuthenticationFailed()
+    {
+        return 'Autentificació CAS fallida!';
+    }
+
+    /**
+    * Get the your were not authenticated string
+    *
+    * @return string not authenticated
+    */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>No estàs autentificat.</p><p>Pots tornar a intentar-ho fent click <a href="%s">aquí</a>.</p><p>Si el problema persisteix hauría de contactar amb l\'<a href="mailto:%s">administrador d\'aquest llocc</a>.</p>';
+    }
+
+    /**
+    * Get the service unavailable string
+    *
+    * @return string service unavailable
+    */
+    public function getServiceUnavailable()
+    {
+        return 'El servei `<b>%s</b>\' no està disponible (<b>%s</b>).';
+    }
+}

vendor/apereo/phpcas/source/CAS/Languages/ChineseSimplified.php

@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/ChineseSimplified.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>, Phy25 <caslang@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Chinese Simplified language class
+ *
+ * @class    CAS_Languages_ChineseSimplified
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>, Phy25 <caslang@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_ChineseSimplified implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return '连接的服务器';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return '请进行 CAS 认证！';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return '请进行 CAS 登出！';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return '你正被重定向到 CAS 服务器。<a href="%s">点击这里</a>继续。';
+    }
+
+    /**
+    * Get authentication failed string
+    *
+    * @return string authentication failed
+    */
+    public function getAuthenticationFailed()
+    {
+        return 'CAS 认证失败！';
+    }
+
+    /**
+    * Get the your were not authenticated string
+    *
+    * @return string not authenticated
+    */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>你没有成功登录。</p><p>你可以<a href="%s">点击这里重新登录</a>。</p><p>如果问题依然存在，请<a href="mailto:%s">联系本站管理员</a>。</p>';
+    }
+
+    /**
+    * Get the service unavailable string
+    *
+    * @return string service unavailable
+    */
+    public function getServiceUnavailable()
+    {
+        return '服务器 <b>%s</b> 不可用（<b>%s</b>）。';
+    }
+}

vendor/apereo/phpcas/source/CAS/Languages/English.php

@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/English.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * English language class
+ *
+ * @class    CAS_Languages_English
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_English implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'using server';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'CAS Authentication wanted!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'CAS logout wanted!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'You should already have been redirected to the CAS server. Click <a href="%s">here</a> to continue.';
+    }
+
+    /**
+    * Get authentication failed string
+    *
+    * @return string authentication failed
+    */
+    public function getAuthenticationFailed()
+    {
+        return 'CAS Authentication failed!';
+    }
+
+    /**
+    * Get the your were not authenticated string
+    *
+    * @return string not authenticated
+    */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>You were not authenticated.</p><p>You may submit your request again by clicking <a href="%s">here</a>.</p><p>If the problem persists, you may contact <a href="mailto:%s">the administrator of this site</a>.</p>';
+    }
+
+    /**
+    * Get the service unavailable string
+    *
+    * @return string service unavailable
+    */
+    public function getServiceUnavailable()
+    {
+        return 'The service `<b>%s</b>\' is not available (<b>%s</b>).';
+    }
+}

vendor/apereo/phpcas/source/CAS/Languages/French.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/French.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * French language class
+ *
+ * @class    CAS_Languages_French
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_French implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'utilisant le serveur';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'Authentication CAS nécessaire&nbsp;!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'Déconnexion demandée&nbsp;!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Vous auriez du etre redirigé(e) vers le serveur CAS. Cliquez <a href="%s">ici</a> pour continuer.';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return 'Authentification CAS infructueuse&nbsp;!';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>Vous n\'avez pas été authentifié(e).</p><p>Vous pouvez soumettre votre requete à nouveau en cliquant <a href="%s">ici</a>.</p><p>Si le problème persiste, vous pouvez contacter <a href="mailto:%s">l\'administrateur de ce site</a>.</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'Le service `<b>%s</b>\' est indisponible (<b>%s</b>)';
+    }
+}
+
+?>

vendor/apereo/phpcas/source/CAS/Languages/Galego.php

@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Galego.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Enrique Huelva Rivero enrique.huelvarivero@plexus.es
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Galego language class
+ *
+ * @class    CAS_Languages_Galego
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Enrique Huelva Rivero enrique.huelvarivero@plexus.es
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_Galego implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'usando servidor';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'Autenticación CAS necesaria!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'Saída CAS necesaria!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Xa debería ser redireccionado ao servidor CAS. Faga click <a href="%s">aquí</a> para continuar';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return 'Autenticación CAS errada!';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '
+        <p>Non estás autenticado</p><p>Podes volver tentalo facendo click <a href="%s">aquí</a>.</p><p>Se o problema persiste debería contactar con el <a href="mailto:%s">administrador deste sitio</a>.</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'O servizo `<b>%s</b>\' non está dispoñible (<b>%s</b>).';
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/Languages/German.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/German.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henrik Genssen <hg@mediafactory.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * German language class
+ *
+ * @class    CAS_Languages_German
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henrik Genssen <hg@mediafactory.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_German implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'via Server';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'CAS Authentifizierung erforderlich!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'CAS Abmeldung!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'eigentlich h&auml;ten Sie zum CAS Server weitergeleitet werden sollen. Dr&uuml;cken Sie <a href="%s">hier</a> um fortzufahren.';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return 'CAS Anmeldung fehlgeschlagen!';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>Sie wurden nicht angemeldet.</p><p>Um es erneut zu versuchen klicken Sie <a href="%s">hier</a>.</p><p>Wenn das Problem bestehen bleibt, kontaktieren Sie den <a href="mailto:%s">Administrator</a> dieser Seite.</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'Der Dienst `<b>%s</b>\' ist nicht verf&uuml;gbar (<b>%s</b>).';
+    }
+}
+
+?>

vendor/apereo/phpcas/source/CAS/Languages/Greek.php

@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Greek.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Vangelis Haniotakis <haniotak@ucnet.uoc.gr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Greek language class
+ *
+ * @class    CAS_Languages_Greek
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Vangelis Haniotakis <haniotak@ucnet.uoc.gr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_Greek implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'χρησιμοποιείται ο εξυπηρετητής';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'Απαιτείται η ταυτοποίηση CAS!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'Απαιτείται η αποσύνδεση από CAS!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Θα έπρεπε να είχατε ανακατευθυνθεί στον εξυπηρετητή CAS. Κάντε κλίκ <a href="%s">εδώ</a> για να συνεχίσετε.';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return 'Η ταυτοποίηση CAS απέτυχε!';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>Δεν ταυτοποιηθήκατε.</p><p>Μπορείτε να ξαναπροσπαθήσετε, κάνοντας κλίκ <a href="%s">εδώ</a>.</p><p>Εαν το πρόβλημα επιμείνει, ελάτε σε επαφή με τον <a href="mailto:%s">διαχειριστή</a>.</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'Η υπηρεσία `<b>%s</b>\' δεν είναι διαθέσιμη (<b>%s</b>).';
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/Languages/Japanese.php

@@ -0,0 +1,113 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Japanese.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   fnorif <fnorif@yahoo.co.jp>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Japanese language class. Now Encoding is UTF-8.
+ *
+ * @class    CAS_Languages_Japanese
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   fnorif <fnorif@yahoo.co.jp>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ **/
+class CAS_Languages_Japanese implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'サーバーを使っています。';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'CASによる認証を行います。';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'CASからログアウトします!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'CASサーバに行く必要があります。自動的に転送されない場合は <a href="%s">こちら</a> をクリックして続行します。';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return 'CASによる認証に失敗しました。';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>認証できませんでした。</p><p>もう一度リクエストを送信する場合は<a href="%s">こちら</a>をクリック。</p><p>問題が解決しない場合は <a href="mailto:%s">このサイトの管理者</a>に問い合わせてください。</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'サービス `<b>%s</b>\' は利用できません (<b>%s</b>)。';
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/Languages/LanguageInterface.php

@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/LanguageInterface.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Language Interface class for all internationalization files
+ *
+ * @class    CAS_Languages_LanguageInterface
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+interface CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer();
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted();
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout();
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected();
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed();
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated();
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable();
+
+}
+?>

vendor/apereo/phpcas/source/CAS/Languages/Portuguese.php

@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Portuguese.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Sherwin Harris <sherwin.harris@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://apereo.atlassian.net/wiki/spaces/CASC/pages/103252517/phpCAS
+ */
+
+/**
+ * Portuguese language class
+ *
+ * @class    CAS_Languages_Portuguese
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Sherwin Harris <sherwin.harris@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://apereo.atlassian.net/wiki/spaces/CASC/pages/103252517/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_Portuguese implements CAS_Languages_LanguageInterface
+{
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'Usando o servidor';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return 'A autenticação do servidor CAS desejado!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return 'Saida do servidor CAS desejado!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should have been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Você já deve ter sido redirecionado para o servidor CAS. Clique <a href="%s">aqui</a> para continuar';
+    }
+
+    /**
+    * Get authentication failed string
+    *
+    * @return string authentication failed
+    */
+    public function getAuthenticationFailed()
+    {
+        return 'A autenticação do servidor CAS falheu!';
+    }
+
+    /**
+    * Get the your were not authenticated string
+    *
+    * @return string not authenticated
+    */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>Você não foi autenticado.</p><p>Você pode enviar sua solicitação novamente clicando <a href="%s">aqui</a>. </p><p>Se o problema persistir, você pode entrar em contato com <a href="mailto:%s">o administrador deste site</a>.</p>';
+    }
+
+    /**
+    * Get the service unavailable string
+    *
+    * @return string service unavailable
+    */
+    public function getServiceUnavailable()
+    {
+        return 'O serviço `<b>%s</b>\' não está disponível (<b>%s</b>).';
+    }
+}

vendor/apereo/phpcas/source/CAS/Languages/Spanish.php

@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Language/Spanish.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Iván-Benjamín García Torà <ivaniclixx@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Spanish language class
+ *
+ * @class    CAS_Languages_Spanish
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Iván-Benjamín García Torà <ivaniclixx@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+class CAS_Languages_Spanish implements CAS_Languages_LanguageInterface
+{
+
+    /**
+     * Get the using server string
+     *
+     * @return string using server
+     */
+    public function getUsingServer()
+    {
+        return 'usando servidor';
+    }
+
+    /**
+     * Get authentication wanted string
+     *
+     * @return string authentication wanted
+     */
+    public function getAuthenticationWanted()
+    {
+        return '¡Autentificación CAS necesaria!';
+    }
+
+    /**
+     * Get logout string
+     *
+     * @return string logout
+     */
+    public function getLogout()
+    {
+        return '¡Salida CAS necesaria!';
+    }
+
+    /**
+     * Get the should have been redirected string
+     *
+     * @return string should habe been redirected
+     */
+    public function getShouldHaveBeenRedirected()
+    {
+        return 'Ya debería haber sido redireccionado al servidor CAS. Haga click <a href="%s">aquí</a> para continuar.';
+    }
+
+    /**
+     * Get authentication failed string
+     *
+     * @return string authentication failed
+     */
+    public function getAuthenticationFailed()
+    {
+        return '¡Autentificación CAS fallida!';
+    }
+
+    /**
+     * Get the your were not authenticated string
+     *
+     * @return string not authenticated
+     */
+    public function getYouWereNotAuthenticated()
+    {
+        return '<p>No estás autentificado.</p><p>Puedes volver a intentarlo haciendo click <a href="%s">aquí</a>.</p><p>Si el problema persiste debería contactar con el <a href="mailto:%s">administrador de este sitio</a>.</p>';
+    }
+
+    /**
+     * Get the service unavailable string
+     *
+     * @return string service unavailable
+     */
+    public function getServiceUnavailable()
+    {
+        return 'El servicio `<b>%s</b>\' no está disponible (<b>%s</b>).';
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/OutOfSequenceBeforeAuthenticationCallException.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/OutOfSequenceBeforeAuthenticationCallException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class defines Exceptions that should be thrown when the sequence of
+ * operations is invalid. In this case it should be thrown when an
+ * authentication call has not yet happened.
+ *
+ * @class    CAS_OutOfSequenceBeforeAuthenticationCallException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_OutOfSequenceBeforeAuthenticationCallException
+extends CAS_OutOfSequenceException
+implements CAS_Exception
+{
+    /**
+     * Return standard error meessage
+     *
+     * @return void
+     */
+    public function __construct ()
+    {
+        parent::__construct('An authentication call hasn\'t happened yet.');
+    }
+}

vendor/apereo/phpcas/source/CAS/OutOfSequenceBeforeClientException.php

@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/OutOfSequenceBeforeClientException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class defines Exceptions that should be thrown when the sequence of
+ * operations is invalid. In this case it should be thrown when the client() or
+ *  proxy() call has not yet happened and no client or proxy object exists.
+ *
+ * @class    CAS_OutOfSequenceBeforeClientException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_OutOfSequenceBeforeClientException
+extends CAS_OutOfSequenceException
+implements CAS_Exception
+{
+    /**
+     * Return standard error message
+     *
+     * @return void
+     */
+    public function __construct ()
+    {
+        parent::__construct(
+            'this method cannot be called before phpCAS::client() or phpCAS::proxy()'
+        );
+    }
+}

vendor/apereo/phpcas/source/CAS/OutOfSequenceBeforeProxyException.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/OutOfSequenceBeforeProxyException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class defines Exceptions that should be thrown when the sequence of
+ * operations is invalid. In this case it should be thrown when the proxy() call
+ * has not yet happened and no proxy object exists.
+ *
+ * @class    CAS_OutOfSequenceBeforeProxyException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Joachim Fritschi <jfritschi@freenet.de>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_OutOfSequenceBeforeProxyException
+extends CAS_OutOfSequenceException
+implements CAS_Exception
+{
+
+    /**
+     * Return standard error message
+     *
+     * @return void
+     */
+    public function __construct ()
+    {
+        parent::__construct(
+            'this method cannot be called before phpCAS::proxy()'
+        );
+    }
+}

vendor/apereo/phpcas/source/CAS/OutOfSequenceException.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/OutOfSequenceException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class defines Exceptions that should be thrown when the sequence of
+ * operations is invalid. Examples are:
+ *		- Requesting the response before executing a request.
+ *		- Changing the URL of a request after executing the request.
+ *
+ * @class    CAS_OutOfSequenceException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_OutOfSequenceException
+extends BadMethodCallException
+implements CAS_Exception
+{
+
+}

vendor/apereo/phpcas/source/CAS/PGTStorage/AbstractStorage.php

@@ -0,0 +1,222 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/PGTStorage/AbstractStorage.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Basic class for PGT storage
+ * The CAS_PGTStorage_AbstractStorage class is a generic class for PGT storage.
+ * This class should not be instanciated itself but inherited by specific PGT
+ * storage classes.
+ *
+ * @class CAS_PGTStorage_AbstractStorage
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @ingroup internalPGTStorage
+ */
+
+abstract class CAS_PGTStorage_AbstractStorage
+{
+    /**
+     * @addtogroup internalPGTStorage
+     * @{
+     */
+
+    // ########################################################################
+    //  CONSTRUCTOR
+    // ########################################################################
+
+    /**
+     * The constructor of the class, should be called only by inherited classes.
+     *
+     * @param CAS_Client $cas_parent the CAS _client instance that creates the
+     * current object.
+     *
+     * @return void
+     *
+     * @protected
+     */
+    function __construct($cas_parent)
+    {
+        phpCAS::traceBegin();
+        if ( !$cas_parent->isProxy() ) {
+            phpCAS::error(
+                'defining PGT storage makes no sense when not using a CAS proxy'
+            );
+        }
+        phpCAS::traceEnd();
+    }
+
+    // ########################################################################
+    //  DEBUGGING
+    // ########################################################################
+
+    /**
+     * This virtual method returns an informational string giving the type of storage
+     * used by the object (used for debugging purposes).
+     *
+     * @return string
+     *
+     * @public
+     */
+    function getStorageType()
+    {
+        phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
+    }
+
+    /**
+     * This virtual method returns an informational string giving informations on the
+     * parameters of the storage.(used for debugging purposes).
+     *
+     * @return string
+     *
+     * @public
+     */
+    function getStorageInfo()
+    {
+        phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
+    }
+
+    // ########################################################################
+    //  ERROR HANDLING
+    // ########################################################################
+
+    /**
+     * string used to store an error message. Written by
+     * PGTStorage::setErrorMessage(), read by PGTStorage::getErrorMessage().
+     *
+     * @hideinitializer
+     * @deprecated not used.
+     */
+    var $_error_message=false;
+
+    /**
+     * This method sets en error message, which can be read later by
+     * PGTStorage::getErrorMessage().
+     *
+     * @param string $error_message an error message
+     *
+     * @return void
+     *
+     * @deprecated not used.
+     */
+    function setErrorMessage($error_message)
+    {
+        $this->_error_message = $error_message;
+    }
+
+    /**
+     * This method returns an error message set by PGTStorage::setErrorMessage().
+     *
+     * @return string an error message when set by PGTStorage::setErrorMessage(), FALSE
+     * otherwise.
+     *
+     * @deprecated not used.
+     */
+    function getErrorMessage()
+    {
+        return $this->_error_message;
+    }
+
+    // ########################################################################
+    //  INITIALIZATION
+    // ########################################################################
+
+    /**
+     * a boolean telling if the storage has already been initialized. Written by
+     * PGTStorage::init(), read by PGTStorage::isInitialized().
+     *
+     * @hideinitializer
+     */
+    var $_initialized = false;
+
+    /**
+     * This method tells if the storage has already been intialized.
+     *
+     * @return bool
+     *
+     * @protected
+     */
+    function isInitialized()
+    {
+        return $this->_initialized;
+    }
+
+    /**
+     * This virtual method initializes the object.
+     *
+     * @return void
+     */
+    function init()
+    {
+        $this->_initialized = true;
+    }
+
+    // ########################################################################
+    //  PGT I/O
+    // ########################################################################
+
+    /**
+     * This virtual method stores a PGT and its corresponding PGT Iuo.
+     *
+     * @param string $pgt     the PGT
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return void
+     *
+     * @note Should never be called.
+     *
+     */
+    function write($pgt,$pgt_iou)
+    {
+        phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
+    }
+
+    /**
+     * This virtual method reads a PGT corresponding to a PGT Iou and deletes
+     * the corresponding storage entry.
+     *
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return string
+     *
+     * @note Should never be called.
+     */
+    function read($pgt_iou)
+    {
+        phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
+    }
+
+    /** @} */
+
+}
+
+?>

vendor/apereo/phpcas/source/CAS/PGTStorage/Db.php

@@ -0,0 +1,440 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/PGTStorage/Db.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Daniel Frett <daniel.frett@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+define('CAS_PGT_STORAGE_DB_DEFAULT_TABLE', 'cas_pgts');
+
+/**
+ * Basic class for PGT database storage
+ * The CAS_PGTStorage_Db class is a class for PGT database storage.
+ *
+ * @class    CAS_PGTStorage_Db
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Daniel Frett <daniel.frett@gmail.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @ingroup internalPGTStorageDb
+ */
+
+class CAS_PGTStorage_Db extends CAS_PGTStorage_AbstractStorage
+{
+    /**
+     * @addtogroup internalCAS_PGTStorageDb
+     * @{
+     */
+
+    /**
+     * the PDO object to use for database interactions
+     */
+    private $_pdo;
+
+    /**
+     * This method returns the PDO object to use for database interactions.
+     *
+     * @return PDO object
+     */
+    private function _getPdo()
+    {
+        return $this->_pdo;
+    }
+
+    /**
+     * database connection options to use when creating a new PDO object
+     */
+    private $_dsn;
+    private $_username;
+    private $_password;
+    private $_driver_options;
+
+    /**
+     * @var string the table to use for storing/retrieving pgt's
+     */
+    private $_table;
+
+    /**
+     * This method returns the table to use when storing/retrieving PGT's
+     *
+     * @return string the name of the pgt storage table.
+     */
+    private function _getTable()
+    {
+        return $this->_table;
+    }
+
+    // ########################################################################
+    //  DEBUGGING
+    // ########################################################################
+
+    /**
+     * This method returns an informational string giving the type of storage
+     * used by the object (used for debugging purposes).
+     *
+     * @return string an informational string.
+     */
+    public function getStorageType()
+    {
+        return "db";
+    }
+
+    /**
+     * This method returns an informational string giving informations on the
+     * parameters of the storage.(used for debugging purposes).
+     *
+     * @return string an informational string.
+     * @public
+     */
+    public function getStorageInfo()
+    {
+        return 'table=`'.$this->_getTable().'\'';
+    }
+
+    // ########################################################################
+    //  CONSTRUCTOR
+    // ########################################################################
+
+    /**
+     * The class constructor.
+     *
+     * @param CAS_Client $cas_parent     the CAS_Client instance that creates
+     * the object.
+     * @param string     $dsn_or_pdo     a dsn string to use for creating a PDO
+     * object or a PDO object
+     * @param string     $username       the username to use when connecting to
+     * the database
+     * @param string     $password       the password to use when connecting to
+     * the database
+     * @param string     $table          the table to use for storing and
+     * retrieving PGT's
+     * @param string     $driver_options any driver options to use when
+     * connecting to the database
+     */
+    public function __construct(
+        $cas_parent, $dsn_or_pdo, $username='', $password='', $table='',
+        $driver_options=null
+    ) {
+        phpCAS::traceBegin();
+        // call the ancestor's constructor
+        parent::__construct($cas_parent);
+
+        // set default values
+        if ( empty($table) ) {
+            $table = CAS_PGT_STORAGE_DB_DEFAULT_TABLE;
+        }
+        if ( !is_array($driver_options) ) {
+            $driver_options = array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION);
+        }
+
+        // store the specified parameters
+        if ($dsn_or_pdo instanceof PDO) {
+            $this->_pdo = $dsn_or_pdo;
+        } else {
+            $this->_dsn = $dsn_or_pdo;
+            $this->_username = $username;
+            $this->_password = $password;
+            $this->_driver_options = $driver_options;
+        }
+
+        // store the table name
+        $this->_table = $table;
+
+        phpCAS::traceEnd();
+    }
+
+    // ########################################################################
+    //  INITIALIZATION
+    // ########################################################################
+
+    /**
+     * This method is used to initialize the storage. Halts on error.
+     *
+     * @return void
+     */
+    public function init()
+    {
+        phpCAS::traceBegin();
+        // if the storage has already been initialized, return immediatly
+        if ($this->isInitialized()) {
+            return;
+        }
+
+        // initialize the base object
+        parent::init();
+
+        // create the PDO object if it doesn't exist already
+        if (!($this->_pdo instanceof PDO)) {
+            try {
+                $this->_pdo = new PDO(
+                    $this->_dsn, $this->_username, $this->_password,
+                    $this->_driver_options
+                );
+            }
+            catch(PDOException $e) {
+                phpCAS::error('Database connection error: ' . $e->getMessage());
+            }
+        }
+
+        phpCAS::traceEnd();
+    }
+
+    // ########################################################################
+    //  PDO database interaction
+    // ########################################################################
+
+    /**
+     * attribute that stores the previous error mode for the PDO handle while
+     * processing a transaction
+     */
+    private $_errMode;
+
+    /**
+     * This method will enable the Exception error mode on the PDO object
+     *
+     * @return void
+     */
+    private function _setErrorMode()
+    {
+        // get PDO object and enable exception error mode
+        $pdo = $this->_getPdo();
+        $this->_errMode = $pdo->getAttribute(PDO::ATTR_ERRMODE);
+        $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    }
+
+    /**
+     * this method will reset the error mode on the PDO object
+     *
+     * @return void
+     */
+    private function _resetErrorMode()
+    {
+        // get PDO object and reset the error mode to what it was originally
+        $pdo = $this->_getPdo();
+        $pdo->setAttribute(PDO::ATTR_ERRMODE, $this->_errMode);
+    }
+
+    // ########################################################################
+    //  database queries
+    // ########################################################################
+    // these queries are potentially unsafe because the person using this library
+    // can set the table to use, but there is no reliable way to escape SQL
+    // fieldnames in PDO yet
+
+    /**
+     * This method returns the query used to create a pgt storage table
+     *
+     * @return string the create table SQL, no bind params in query
+     */
+    protected function createTableSql()
+    {
+        return 'CREATE TABLE ' . $this->_getTable()
+            . ' (pgt_iou VARCHAR(255) NOT NULL PRIMARY KEY, pgt VARCHAR(255) NOT NULL)';
+    }
+
+    /**
+     * This method returns the query used to store a pgt
+     *
+     * @return string the store PGT SQL, :pgt and :pgt_iou are the bind params contained
+     *         in the query
+     */
+    protected function storePgtSql()
+    {
+        return 'INSERT INTO ' . $this->_getTable()
+            . ' (pgt_iou, pgt) VALUES (:pgt_iou, :pgt)';
+    }
+
+    /**
+     * This method returns the query used to retrieve a pgt. the first column
+     * of the first row should contain the pgt
+     *
+     * @return string the retrieve PGT SQL, :pgt_iou is the only bind param contained
+     *         in the query
+     */
+    protected function retrievePgtSql()
+    {
+        return 'SELECT pgt FROM ' . $this->_getTable() . ' WHERE pgt_iou = :pgt_iou';
+    }
+
+    /**
+     * This method returns the query used to delete a pgt.
+     *
+     * @return string the delete PGT SQL, :pgt_iou is the only bind param contained in
+     *         the query
+     */
+    protected function deletePgtSql()
+    {
+        return 'DELETE FROM ' . $this->_getTable() . ' WHERE pgt_iou = :pgt_iou';
+    }
+
+    // ########################################################################
+    //  PGT I/O
+    // ########################################################################
+
+    /**
+     * This method creates the database table used to store pgt's and pgtiou's
+     *
+     * @return void
+     */
+    public function createTable()
+    {
+        phpCAS::traceBegin();
+
+        // initialize this PGTStorage object if it hasn't been initialized yet
+        if ( !$this->isInitialized() ) {
+            $this->init();
+        }
+
+        // initialize the PDO object for this method
+        $pdo = $this->_getPdo();
+        $this->_setErrorMode();
+
+        try {
+            $pdo->beginTransaction();
+
+            $query = $pdo->query($this->createTableSQL());
+            $query->closeCursor();
+
+            $pdo->commit();
+        }
+        catch(PDOException $e) {
+            // attempt rolling back the transaction before throwing a phpCAS error
+            try {
+                $pdo->rollBack();
+            }
+            catch(PDOException $e) {
+            }
+            phpCAS::error('error creating PGT storage table: ' . $e->getMessage());
+        }
+
+        // reset the PDO object
+        $this->_resetErrorMode();
+
+        phpCAS::traceEnd();
+    }
+
+    /**
+     * This method stores a PGT and its corresponding PGT Iou in the database.
+     * Echoes a warning on error.
+     *
+     * @param string $pgt     the PGT
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return void
+     */
+    public function write($pgt, $pgt_iou)
+    {
+        phpCAS::traceBegin();
+
+        // initialize the PDO object for this method
+        $pdo = $this->_getPdo();
+        $this->_setErrorMode();
+
+        try {
+            $pdo->beginTransaction();
+
+            $query = $pdo->prepare($this->storePgtSql());
+            $query->bindValue(':pgt', $pgt, PDO::PARAM_STR);
+            $query->bindValue(':pgt_iou', $pgt_iou, PDO::PARAM_STR);
+            $query->execute();
+            $query->closeCursor();
+
+            $pdo->commit();
+        }
+        catch(PDOException $e) {
+            // attempt rolling back the transaction before throwing a phpCAS error
+            try {
+                $pdo->rollBack();
+            }
+            catch(PDOException $e) {
+            }
+            phpCAS::error('error writing PGT to database: ' . $e->getMessage());
+        }
+
+        // reset the PDO object
+        $this->_resetErrorMode();
+
+        phpCAS::traceEnd();
+    }
+
+    /**
+     * This method reads a PGT corresponding to a PGT Iou and deletes the
+     * corresponding db entry.
+     *
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return string|false the corresponding PGT, or FALSE on error
+     */
+    public function read($pgt_iou)
+    {
+        phpCAS::traceBegin();
+        $pgt = false;
+
+        // initialize the PDO object for this method
+        $pdo = $this->_getPdo();
+        $this->_setErrorMode();
+
+        try {
+            $pdo->beginTransaction();
+
+            // fetch the pgt for the specified pgt_iou
+            $query = $pdo->prepare($this->retrievePgtSql());
+            $query->bindValue(':pgt_iou', $pgt_iou, PDO::PARAM_STR);
+            $query->execute();
+            $pgt = $query->fetchColumn(0);
+            $query->closeCursor();
+
+            // delete the specified pgt_iou from the database
+            $query = $pdo->prepare($this->deletePgtSql());
+            $query->bindValue(':pgt_iou', $pgt_iou, PDO::PARAM_STR);
+            $query->execute();
+            $query->closeCursor();
+
+            $pdo->commit();
+        }
+        catch(PDOException $e) {
+            // attempt rolling back the transaction before throwing a phpCAS error
+            try {
+                $pdo->rollBack();
+            }
+            catch(PDOException $e) {
+            }
+            phpCAS::trace('error reading PGT from database: ' . $e->getMessage());
+        }
+
+        // reset the PDO object
+        $this->_resetErrorMode();
+
+        phpCAS::traceEnd();
+        return $pgt;
+    }
+
+    /** @} */
+
+}
+
+?>

vendor/apereo/phpcas/source/CAS/PGTStorage/File.php

@@ -0,0 +1,261 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/PGTStorage/AbstractStorage.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * The CAS_PGTStorage_File class is a class for PGT file storage. An instance of
+ * this class is returned by CAS_Client::SetPGTStorageFile().
+ *
+ * @class    CAS_PGTStorage_File
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ *
+ * @ingroup internalPGTStorageFile
+ */
+
+class CAS_PGTStorage_File extends CAS_PGTStorage_AbstractStorage
+{
+    /**
+     * @addtogroup internalPGTStorageFile
+     * @{
+     */
+
+    /**
+     * a string telling where PGT's should be stored on the filesystem. Written by
+     * PGTStorageFile::PGTStorageFile(), read by getPath().
+     *
+     * @private
+     */
+    var $_path;
+
+    /**
+     * This method returns the name of the directory where PGT's should be stored
+     * on the filesystem.
+     *
+     * @return string the name of a directory (with leading and trailing '/')
+     *
+     * @private
+     */
+    function getPath()
+    {
+        return $this->_path;
+    }
+
+    // ########################################################################
+    //  DEBUGGING
+    // ########################################################################
+
+    /**
+     * This method returns an informational string giving the type of storage
+     * used by the object (used for debugging purposes).
+     *
+     * @return string an informational string.
+     * @public
+     */
+    function getStorageType()
+    {
+        return "file";
+    }
+
+    /**
+     * This method returns an informational string giving informations on the
+     * parameters of the storage.(used for debugging purposes).
+     *
+     * @return string an informational string.
+     * @public
+     */
+    function getStorageInfo()
+    {
+        return 'path=`'.$this->getPath().'\'';
+    }
+
+    // ########################################################################
+    //  CONSTRUCTOR
+    // ########################################################################
+
+    /**
+     * The class constructor, called by CAS_Client::SetPGTStorageFile().
+     *
+     * @param CAS_Client $cas_parent the CAS_Client instance that creates the object.
+     * @param string     $path       the path where the PGT's should be stored
+     *
+     * @return void
+     *
+     * @public
+     */
+    function __construct($cas_parent,$path)
+    {
+        phpCAS::traceBegin();
+        // call the ancestor's constructor
+        parent::__construct($cas_parent);
+
+        if (empty($path)) {
+            $path = CAS_PGT_STORAGE_FILE_DEFAULT_PATH;
+        }
+        // check that the path is an absolute path
+        if (getenv("OS")=="Windows_NT" || strtoupper(substr(PHP_OS,0,3)) == 'WIN') {
+
+            if (!preg_match('`^[a-zA-Z]:`', $path)) {
+                phpCAS::error('an absolute path is needed for PGT storage to file');
+            }
+
+        } else {
+
+            if ( $path[0] != '/' ) {
+                phpCAS::error('an absolute path is needed for PGT storage to file');
+            }
+
+            // store the path (with a leading and trailing '/')
+            $path = preg_replace('|[/]*$|', '/', $path);
+            $path = preg_replace('|^[/]*|', '/', $path);
+        }
+
+        $this->_path = $path;
+        phpCAS::traceEnd();
+    }
+
+    // ########################################################################
+    //  INITIALIZATION
+    // ########################################################################
+
+    /**
+     * This method is used to initialize the storage. Halts on error.
+     *
+     * @return void
+     * @public
+     */
+    function init()
+    {
+        phpCAS::traceBegin();
+        // if the storage has already been initialized, return immediatly
+        if ($this->isInitialized()) {
+            return;
+        }
+        // call the ancestor's method (mark as initialized)
+        parent::init();
+        phpCAS::traceEnd();
+    }
+
+    // ########################################################################
+    //  PGT I/O
+    // ########################################################################
+
+    /**
+     * This method returns the filename corresponding to a PGT Iou.
+     *
+     * @param string $pgt_iou the PGT iou.
+     *
+     * @return string a filename
+     * @private
+     */
+    function getPGTIouFilename($pgt_iou)
+    {
+        phpCAS::traceBegin();
+        $filename = $this->getPath()."phpcas-".hash("sha256", $pgt_iou);
+//        $filename = $this->getPath().$pgt_iou.'.plain';
+        phpCAS::trace("Sha256 filename:" . $filename);
+        phpCAS::traceEnd();
+        return $filename;
+    }
+
+    /**
+     * This method stores a PGT and its corresponding PGT Iou into a file. Echoes a
+     * warning on error.
+     *
+     * @param string $pgt     the PGT
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return void
+     *
+     * @public
+     */
+    function write($pgt,$pgt_iou)
+    {
+        phpCAS::traceBegin();
+        $fname = $this->getPGTIouFilename($pgt_iou);
+        if (!file_exists($fname)) {
+            touch($fname);
+            // Chmod will fail on windows
+            @chmod($fname, 0600);
+            if ($f=fopen($fname, "w")) {
+                if (fputs($f, $pgt) === false) {
+                    phpCAS::error('could not write PGT to `'.$fname.'\'');
+                }
+                phpCAS::trace('Successful write of PGT to `'.$fname.'\'');
+                fclose($f);
+            } else {
+                phpCAS::error('could not open `'.$fname.'\'');
+            }
+        } else {
+            phpCAS::error('File exists: `'.$fname.'\'');
+        }
+        phpCAS::traceEnd();
+    }
+
+    /**
+     * This method reads a PGT corresponding to a PGT Iou and deletes the
+     * corresponding file.
+     *
+     * @param string $pgt_iou the PGT iou
+     *
+     * @return string|false the corresponding PGT, or FALSE on error
+     *
+     * @public
+     */
+    function read($pgt_iou)
+    {
+        phpCAS::traceBegin();
+        $pgt = false;
+        $fname = $this->getPGTIouFilename($pgt_iou);
+        if (file_exists($fname)) {
+            if (!($f=fopen($fname, "r"))) {
+                phpCAS::error('could not open `'.$fname.'\'');
+            } else {
+                if (($pgt=fgets($f)) === false) {
+                    phpCAS::error('could not read PGT from `'.$fname.'\'');
+                }
+                phpCAS::trace('Successful read of PGT to `'.$fname.'\'');
+                fclose($f);
+            }
+            // delete the PGT file
+            @unlink($fname);
+        } else {
+            phpCAS::error('No such file `'.$fname.'\'');
+        }
+        phpCAS::traceEnd($pgt);
+        return $pgt;
+    }
+
+    /** @} */
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService.php

@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines methods that allow proxy-authenticated service handlers
+ * to interact with phpCAS.
+ *
+ * Proxy service handlers must implement this interface as well as call
+ * phpCAS::initializeProxiedService($this) at some point in their implementation.
+ *
+ * While not required, proxy-authenticated service handlers are encouraged to
+ * implement the CAS_ProxiedService_Testable interface to facilitate unit testing.
+ *
+ * @class    CAS_ProxiedService
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_ProxiedService
+{
+
+    /**
+     * Answer a service identifier (URL) for whom we should fetch a proxy ticket.
+     *
+     * @return string
+     * @throws Exception If no service url is available.
+     */
+    public function getServiceUrl ();
+
+    /**
+     * Register a proxy ticket with the ProxiedService that it can use when
+     * making requests.
+     *
+     * @param string $proxyTicket Proxy ticket string
+     *
+     * @return void
+     * @throws InvalidArgumentException If the $proxyTicket is invalid.
+     * @throws CAS_OutOfSequenceException If called after a proxy ticket has
+     * already been initialized/set.
+     */
+    public function setProxyTicket ($proxyTicket);
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Abstract.php

@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Abstract.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class implements common methods for ProxiedService implementations included
+ * with phpCAS.
+ *
+ * @class    CAS_ProxiedService_Abstract
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+abstract class CAS_ProxiedService_Abstract
+implements CAS_ProxiedService, CAS_ProxiedService_Testable
+{
+
+    /**
+     * The proxy ticket that can be used when making service requests.
+     * @var string $_proxyTicket;
+     */
+    private $_proxyTicket;
+
+    /**
+     * Register a proxy ticket with the Proxy that it can use when making requests.
+     *
+     * @param string $proxyTicket proxy ticket
+     *
+     * @return void
+     * @throws InvalidArgumentException If the $proxyTicket is invalid.
+     * @throws CAS_OutOfSequenceException If called after a proxy ticket has
+     *         already been initialized/set.
+     */
+    public function setProxyTicket ($proxyTicket)
+    {
+        if (empty($proxyTicket)) {
+            throw new CAS_InvalidArgumentException(
+                'Trying to initialize with an empty proxy ticket.'
+            );
+        }
+        if (!empty($this->_proxyTicket)) {
+            throw new CAS_OutOfSequenceException(
+                'Already initialized, cannot change the proxy ticket.'
+            );
+        }
+        $this->_proxyTicket = $proxyTicket;
+    }
+
+    /**
+     * Answer the proxy ticket to be used when making requests.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before a proxy ticket has
+     * already been initialized/set.
+     */
+    protected function getProxyTicket ()
+    {
+        if (empty($this->_proxyTicket)) {
+            throw new CAS_OutOfSequenceException(
+                'No proxy ticket yet. Call $this->initializeProxyTicket() to aquire the proxy ticket.'
+            );
+        }
+
+        return $this->_proxyTicket;
+    }
+
+    /**
+     * @var CAS_Client $_casClient;
+     */
+    private $_casClient;
+
+    /**
+     * Use a particular CAS_Client->initializeProxiedService() rather than the
+     * static phpCAS::initializeProxiedService().
+     *
+     * This method should not be called in standard operation, but is needed for unit
+     * testing.
+     *
+     * @param CAS_Client $casClient cas client
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after a proxy ticket has
+     * already been initialized/set.
+     */
+    public function setCasClient (CAS_Client $casClient)
+    {
+        if (!empty($this->_proxyTicket)) {
+            throw new CAS_OutOfSequenceException(
+                'Already initialized, cannot change the CAS_Client.'
+            );
+        }
+
+        $this->_casClient = $casClient;
+    }
+
+    /**
+     * Fetch our proxy ticket.
+     *
+     * Descendent classes should call this method once their service URL is available
+     * to initialize their proxy ticket.
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after a proxy ticket has
+     * already been initialized.
+     */
+    protected function initializeProxyTicket()
+    {
+        if (!empty($this->_proxyTicket)) {
+            throw new CAS_OutOfSequenceException(
+                'Already initialized, cannot initialize again.'
+            );
+        }
+        // Allow usage of a particular CAS_Client for unit testing.
+        if (empty($this->_casClient)) {
+            phpCAS::initializeProxiedService($this);
+        } else {
+            $this->_casClient->initializeProxiedService($this);
+        }
+    }
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Exception.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Exception.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * An Exception for problems communicating with a proxied service.
+ *
+ * @class    CAS_ProxiedService_Exception
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxiedService_Exception
+extends Exception
+implements CAS_Exception
+{
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Http.php

@@ -0,0 +1,91 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Http.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines methods that clients should use for configuring, sending,
+ * and receiving proxied HTTP requests.
+ *
+ * @class    CAS_ProxiedService_Http
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_ProxiedService_Http
+{
+
+    /*********************************************************
+     * Configure the Request
+    *********************************************************/
+
+    /**
+     * Set the URL of the Request
+     *
+     * @param string $url Url to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setUrl ($url);
+
+    /*********************************************************
+     * 2. Send the Request
+    *********************************************************/
+
+    /**
+     * Perform the request.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     */
+    public function send ();
+
+    /*********************************************************
+     * 3. Access the response
+    *********************************************************/
+
+    /**
+     * Answer the headers of the response.
+     *
+     * @return array An array of header strings.
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseHeaders ();
+
+    /**
+     * Answer the body of response.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseBody ();
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Http/Abstract.php

@@ -0,0 +1,360 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Http/Abstract.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class implements common methods for ProxiedService implementations included
+ * with phpCAS.
+ *
+ * @class    CAS_ProxiedService_Http_Abstract
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+abstract class CAS_ProxiedService_Http_Abstract extends
+CAS_ProxiedService_Abstract implements CAS_ProxiedService_Http
+{
+    /**
+     * The HTTP request mechanism talking to the target service.
+     *
+     * @var CAS_Request_RequestInterface $requestHandler
+     */
+    protected $requestHandler;
+
+    /**
+     * The storage mechanism for cookies set by the target service.
+     *
+     * @var CAS_CookieJar $_cookieJar
+     */
+    private $_cookieJar;
+
+    /**
+     * Constructor.
+     *
+     * @param CAS_Request_RequestInterface $requestHandler request handler object
+     * @param CAS_CookieJar                $cookieJar      cookieJar object
+     *
+     * @return void
+     */
+    public function __construct(CAS_Request_RequestInterface $requestHandler,
+        CAS_CookieJar $cookieJar
+    ) {
+        $this->requestHandler = $requestHandler;
+        $this->_cookieJar = $cookieJar;
+    }
+
+    /**
+     * The target service url.
+     * @var string $_url;
+     */
+    private $_url;
+
+    /**
+     * Answer a service identifier (URL) for whom we should fetch a proxy ticket.
+     *
+     * @return string
+     * @throws Exception If no service url is available.
+     */
+    public function getServiceUrl()
+    {
+        if (empty($this->_url)) {
+            throw new CAS_ProxiedService_Exception(
+                'No URL set via ' . get_class($this) . '->setUrl($url).'
+            );
+        }
+
+        return $this->_url;
+    }
+
+    /*********************************************************
+     * Configure the Request
+     *********************************************************/
+
+    /**
+     * Set the URL of the Request
+     *
+     * @param string $url url to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setUrl($url)
+    {
+        if ($this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set the URL, request already sent.'
+            );
+        }
+        if (!is_string($url)) {
+            throw new CAS_InvalidArgumentException('$url must be a string.');
+        }
+
+        $this->_url = $url;
+    }
+
+    /*********************************************************
+     * 2. Send the Request
+     *********************************************************/
+
+    /**
+     * Perform the request.
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     * @throws CAS_ProxyTicketException If there is a proxy-ticket failure.
+     *		The code of the Exception will be one of:
+     *			PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_FAILURE
+     * @throws CAS_ProxiedService_Exception If there is a failure sending the
+     * request to the target service.
+     */
+    public function send()
+    {
+        if ($this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot send, request already sent.'
+            );
+        }
+
+        phpCAS::traceBegin();
+
+        // Get our proxy ticket and append it to our URL.
+        $this->initializeProxyTicket();
+        $url = $this->getServiceUrl();
+        if (strstr($url, '?') === false) {
+            $url = $url . '?ticket=' . $this->getProxyTicket();
+        } else {
+            $url = $url . '&ticket=' . $this->getProxyTicket();
+        }
+
+        try {
+            $this->makeRequest($url);
+        } catch (Exception $e) {
+            phpCAS::traceEnd();
+            throw $e;
+        }
+    }
+
+    /**
+     * Indicator of the number of requests (including redirects performed.
+     *
+     * @var int $_numRequests;
+     */
+    private $_numRequests = 0;
+
+    /**
+     * The response headers.
+     *
+     * @var array $_responseHeaders;
+     */
+    private $_responseHeaders = array();
+
+    /**
+     * The response status code.
+     *
+     * @var int $_responseStatusCode;
+     */
+    private $_responseStatusCode = '';
+
+    /**
+     * The response headers.
+     *
+     * @var string $_responseBody;
+     */
+    private $_responseBody = '';
+
+    /**
+     * Build and perform a request, following redirects
+     *
+     * @param string $url url for the request
+     *
+     * @return void
+     * @throws CAS_ProxyTicketException If there is a proxy-ticket failure.
+     *		The code of the Exception will be one of:
+     *			PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_FAILURE
+     * @throws CAS_ProxiedService_Exception If there is a failure sending the
+     * request to the target service.
+     */
+    protected function makeRequest($url)
+    {
+        // Verify that we are not in a redirect loop
+        $this->_numRequests++;
+        if ($this->_numRequests > 4) {
+            $message = 'Exceeded the maximum number of redirects (3) in proxied service request.';
+            phpCAS::trace($message);
+            throw new CAS_ProxiedService_Exception($message);
+        }
+
+        // Create a new request.
+        $request = clone $this->requestHandler;
+        $request->setUrl($url);
+
+        // Add any cookies to the request.
+        $request->addCookies($this->_cookieJar->getCookies($url));
+
+        // Add any other parts of the request needed by concrete classes
+        $this->populateRequest($request);
+
+        // Perform the request.
+        phpCAS::trace('Performing proxied service request to \'' . $url . '\'');
+        if (!$request->send()) {
+            $message = 'Could not perform proxied service request to URL`'
+            . $url . '\'. ' . $request->getErrorMessage();
+            phpCAS::trace($message);
+            throw new CAS_ProxiedService_Exception($message);
+        }
+
+        // Store any cookies from the response;
+        $this->_cookieJar->storeCookies($url, $request->getResponseHeaders());
+
+        // Follow any redirects
+        if ($redirectUrl = $this->getRedirectUrl($request->getResponseHeaders())
+        ) {
+            phpCAS::trace('Found redirect:' . $redirectUrl);
+            $this->makeRequest($redirectUrl);
+        } else {
+
+            $this->_responseHeaders = $request->getResponseHeaders();
+            $this->_responseBody = $request->getResponseBody();
+            $this->_responseStatusCode = $request->getResponseStatusCode();
+        }
+    }
+
+    /**
+     * Add any other parts of the request needed by concrete classes
+     *
+     * @param CAS_Request_RequestInterface $request request interface object
+     *
+     * @return void
+     */
+    abstract protected function populateRequest(
+        CAS_Request_RequestInterface $request
+    );
+
+    /**
+     * Answer a redirect URL if a redirect header is found, otherwise null.
+     *
+     * @param array $responseHeaders response header to extract a redirect from
+     *
+     * @return string|null
+     */
+    protected function getRedirectUrl(array $responseHeaders)
+    {
+        // Check for the redirect after authentication
+        foreach ($responseHeaders as $header) {
+            if ( preg_match('/^(Location:|URI:)\s*([^\s]+.*)$/', $header, $matches)
+            ) {
+                return trim(array_pop($matches));
+            }
+        }
+        return null;
+    }
+
+    /*********************************************************
+     * 3. Access the response
+     *********************************************************/
+
+    /**
+     * Answer true if our request has been sent yet.
+     *
+     * @return bool
+     */
+    protected function hasBeenSent()
+    {
+        return ($this->_numRequests > 0);
+    }
+
+    /**
+     * Answer the headers of the response.
+     *
+     * @return array An array of header strings.
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseHeaders()
+    {
+        if (!$this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot access response, request not sent yet.'
+            );
+        }
+
+        return $this->_responseHeaders;
+    }
+
+    /**
+     * Answer HTTP status code of the response
+     *
+     * @return int
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseStatusCode()
+    {
+        if (!$this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot access response, request not sent yet.'
+            );
+        }
+
+        return $this->_responseStatusCode;
+    }
+
+    /**
+     * Answer the body of response.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseBody()
+    {
+        if (!$this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot access response, request not sent yet.'
+            );
+        }
+
+        return $this->_responseBody;
+    }
+
+    /**
+     * Answer the cookies from the response. This may include cookies set during
+     * redirect responses.
+     *
+     * @return array An array containing cookies. E.g. array('name' => 'val');
+     */
+    public function getCookies()
+    {
+        return $this->_cookieJar->getCookies($this->getServiceUrl());
+    }
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Http/Get.php

@@ -0,0 +1,85 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Http/Get.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class is used to make proxied service requests via the HTTP GET method.
+ *
+ * Usage Example:
+ *
+ *	try {
+ *		$service = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_GET);
+ *		$service->setUrl('http://www.example.com/path/');
+ *		$service->send();
+ *		if ($service->getResponseStatusCode() == 200)
+ *			return $service->getResponseBody();
+ *		else
+ *			// The service responded with an error code 404, 500, etc.
+ *			throw new Exception('The service responded with an error.');
+ *
+ * 	} catch (CAS_ProxyTicketException $e) {
+ *	    if ($e->getCode() == PHPCAS_SERVICE_PT_FAILURE)
+ *			return "Your login has timed out. You need to log in again.";
+ *		else
+ *			// Other proxy ticket errors are from bad request format
+ *          // (shouldn't happen) or CAS server failure (unlikely)
+ *          // so lets just stop if we hit those.
+ *			throw $e;
+ *	} catch (CAS_ProxiedService_Exception $e) {
+ *		// Something prevented the service request from being sent or received.
+ *		// We didn't even get a valid error response (404, 500, etc), so this
+ *		// might be caused by a network error or a DNS resolution failure.
+ *		// We could handle it in some way, but for now we will just stop.
+ *		throw $e;
+ *	}
+ *
+ * @class    CAS_ProxiedService_Http_Get
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxiedService_Http_Get
+extends CAS_ProxiedService_Http_Abstract
+{
+
+    /**
+     * Add any other parts of the request needed by concrete classes
+     *
+     * @param CAS_Request_RequestInterface $request request interface
+     *
+     * @return void
+     */
+    protected function populateRequest (CAS_Request_RequestInterface $request)
+    {
+        // do nothing, since the URL has already been sent and that is our
+        // only data.
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Http/Post.php

@@ -0,0 +1,152 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Http/Post.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This class is used to make proxied service requests via the HTTP POST method.
+ *
+ * Usage Example:
+ *
+ *	try {
+ * 		$service = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_POST);
+ * 		$service->setUrl('http://www.example.com/path/');
+ *		$service->setContentType('text/xml');
+ *		$service->setBody('<?xml version="1.0"?'.'><methodCall><methodName>example.search</methodName></methodCall>');
+ * 		$service->send();
+ *		if ($service->getResponseStatusCode() == 200)
+ *			return $service->getResponseBody();
+ *		else
+ *			// The service responded with an error code 404, 500, etc.
+ *			throw new Exception('The service responded with an error.');
+ *
+ *	} catch (CAS_ProxyTicketException $e) {
+ *		if ($e->getCode() == PHPCAS_SERVICE_PT_FAILURE)
+ *			return "Your login has timed out. You need to log in again.";
+ *		else
+ *			// Other proxy ticket errors are from bad request format
+ *          // (shouldn't happen) or CAS server failure (unlikely) so lets just
+ *          // stop if we hit those.
+ *			throw $e;
+ *	} catch (CAS_ProxiedService_Exception $e) {
+ *		// Something prevented the service request from being sent or received.
+ *		// We didn't even get a valid error response (404, 500, etc), so this
+ *		// might be caused by a network error or a DNS resolution failure.
+ *		// We could handle it in some way, but for now we will just stop.
+ *		throw $e;
+ *	}
+ *
+ * @class    CAS_ProxiedService_Http_Post
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxiedService_Http_Post
+extends CAS_ProxiedService_Http_Abstract
+{
+
+    /**
+     * The content-type of this request
+     *
+     * @var string $_contentType
+     */
+    private $_contentType;
+
+    /**
+     * The body of the this request
+     *
+     * @var string $_body
+     */
+    private $_body;
+
+    /**
+     * Set the content type of this POST request.
+     *
+     * @param string $contentType content type
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setContentType ($contentType)
+    {
+        if ($this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set the content type, request already sent.'
+            );
+        }
+
+        $this->_contentType = $contentType;
+    }
+
+    /**
+     * Set the body of this POST request.
+     *
+     * @param string $body body to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setBody ($body)
+    {
+        if ($this->hasBeenSent()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set the body, request already sent.'
+            );
+        }
+
+        $this->_body = $body;
+    }
+
+    /**
+     * Add any other parts of the request needed by concrete classes
+     *
+     * @param CAS_Request_RequestInterface $request request interface class
+     *
+     * @return void
+     */
+    protected function populateRequest (CAS_Request_RequestInterface $request)
+    {
+        if (empty($this->_contentType) && !empty($this->_body)) {
+            throw new CAS_ProxiedService_Exception(
+                "If you pass a POST body, you must specify a content type via "
+                .get_class($this).'->setContentType($contentType).'
+            );
+        }
+
+        $request->makePost();
+        if (!empty($this->_body)) {
+            $request->addHeader('Content-Type: '.$this->_contentType);
+            $request->addHeader('Content-Length: '.strlen($this->_body));
+            $request->setPostBody($this->_body);
+        }
+    }
+
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Imap.php

@@ -0,0 +1,281 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Imap.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Provides access to a proxy-authenticated IMAP stream
+ *
+ * @class    CAS_ProxiedService_Imap
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxiedService_Imap
+extends CAS_ProxiedService_Abstract
+{
+
+    /**
+     * The username to send via imap_open.
+     *
+     * @var string $_username;
+     */
+    private $_username;
+
+    /**
+     * Constructor.
+     *
+     * @param string $username Username
+     *
+     * @return void
+     */
+    public function __construct ($username)
+    {
+        if (!is_string($username) || !strlen($username)) {
+            throw new CAS_InvalidArgumentException('Invalid username.');
+        }
+
+        $this->_username = $username;
+    }
+
+    /**
+     * The target service url.
+     * @var string $_url;
+     */
+    private $_url;
+
+    /**
+     * Answer a service identifier (URL) for whom we should fetch a proxy ticket.
+     *
+     * @return string
+     * @throws Exception If no service url is available.
+     */
+    public function getServiceUrl ()
+    {
+        if (empty($this->_url)) {
+            throw new CAS_ProxiedService_Exception(
+                'No URL set via '.get_class($this).'->getServiceUrl($url).'
+            );
+        }
+
+        return $this->_url;
+    }
+
+    /*********************************************************
+     * Configure the Stream
+    *********************************************************/
+
+    /**
+     * Set the URL of the service to pass to CAS for proxy-ticket retrieval.
+     *
+     * @param string $url Url to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the stream has been opened.
+     */
+    public function setServiceUrl ($url)
+    {
+        if ($this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set the URL, stream already opened.'
+            );
+        }
+        if (!is_string($url) || !strlen($url)) {
+            throw new CAS_InvalidArgumentException('Invalid url.');
+        }
+
+        $this->_url = $url;
+    }
+
+    /**
+     * The mailbox to open. See the $mailbox parameter of imap_open().
+     *
+     * @var string $_mailbox
+     */
+    private $_mailbox;
+
+    /**
+     * Set the mailbox to open. See the $mailbox parameter of imap_open().
+     *
+     * @param string $mailbox Mailbox to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the stream has been opened.
+     */
+    public function setMailbox ($mailbox)
+    {
+        if ($this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set the mailbox, stream already opened.'
+            );
+        }
+        if (!is_string($mailbox) || !strlen($mailbox)) {
+            throw new CAS_InvalidArgumentException('Invalid mailbox.');
+        }
+
+        $this->_mailbox = $mailbox;
+    }
+
+    /**
+     * A bit mask of options to pass to imap_open() as the $options parameter.
+     *
+     * @var int $_options
+     */
+    private $_options = null;
+
+    /**
+     * Set the options for opening the stream. See the $options parameter of
+     * imap_open().
+     *
+     * @param int $options Options for the stream
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the stream has been opened.
+     */
+    public function setOptions ($options)
+    {
+        if ($this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot set options, stream already opened.'
+            );
+        }
+        if (!is_int($options)) {
+            throw new CAS_InvalidArgumentException('Invalid options.');
+        }
+
+        $this->_options = $options;
+    }
+
+    /*********************************************************
+     * 2. Open the stream
+    *********************************************************/
+
+    /**
+     * Open the IMAP stream (similar to imap_open()).
+     *
+     * @return resource Returns an IMAP stream on success
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     * @throws CAS_ProxyTicketException If there is a proxy-ticket failure.
+     *		The code of the Exception will be one of:
+     *			PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE
+     *			PHPCAS_SERVICE_PT_FAILURE
+     * @throws CAS_ProxiedService_Exception If there is a failure sending the
+     *         request to the target service.
+     */
+    public function open ()
+    {
+        if ($this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException('Stream already opened.');
+        }
+        if (empty($this->_mailbox)) {
+            throw new CAS_ProxiedService_Exception(
+                'You must specify a mailbox via '.get_class($this)
+                .'->setMailbox($mailbox)'
+            );
+        }
+
+        phpCAS::traceBegin();
+
+        // Get our proxy ticket and append it to our URL.
+        $this->initializeProxyTicket();
+        phpCAS::trace('opening IMAP mailbox `'.$this->_mailbox.'\'...');
+        $this->_stream = @imap_open(
+            $this->_mailbox, $this->_username, $this->getProxyTicket(),
+            $this->_options
+        );
+        if ($this->_stream) {
+            phpCAS::trace('ok');
+        } else {
+            phpCAS::trace('could not open mailbox');
+            // @todo add localization integration.
+            $message = 'IMAP Error: '.$this->_url.' '. var_export(imap_errors(), true);
+            phpCAS::trace($message);
+            throw new CAS_ProxiedService_Exception($message);
+        }
+
+        phpCAS::traceEnd();
+        return $this->_stream;
+    }
+
+    /**
+     * Answer true if our request has been sent yet.
+     *
+     * @return bool
+     */
+    protected function hasBeenOpened ()
+    {
+        return !empty($this->_stream);
+    }
+
+    /*********************************************************
+     * 3. Access the result
+    *********************************************************/
+    /**
+     * The IMAP stream
+     *
+     * @var resource $_stream
+     */
+    private $_stream;
+
+    /**
+     * Answer the IMAP stream
+     *
+     * @return resource
+     * @throws CAS_OutOfSequenceException if stream is not opened yet
+     */
+    public function getStream ()
+    {
+        if (!$this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot access stream, not opened yet.'
+            );
+        }
+        return $this->_stream;
+    }
+
+    /**
+     * CAS_Client::serviceMail() needs to return the proxy ticket for some reason,
+     * so this method provides access to it.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the stream has been
+     * opened.
+     */
+    public function getImapProxyTicket ()
+    {
+        if (!$this->hasBeenOpened()) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot access errors, stream not opened yet.'
+            );
+        }
+        return $this->getProxyTicket();
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxiedService/Testable.php

@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxiedService/Testabel.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines methods that allow proxy-authenticated service handlers
+ * to be tested in unit tests.
+ *
+ * Classes implementing this interface SHOULD store the CAS_Client passed and
+ * initialize themselves with that client rather than via the static phpCAS
+ * method. For example:
+ *
+ *		/ **
+ *		 * Fetch our proxy ticket.
+ *		 * /
+ *		protected function initializeProxyTicket() {
+ *			// Allow usage of a particular CAS_Client for unit testing.
+ *			if (is_null($this->casClient))
+ *				phpCAS::initializeProxiedService($this);
+ *			else
+ *				$this->casClient->initializeProxiedService($this);
+ *		}
+ *
+ * @class    CAS_ProxiedService_Testabel
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_ProxiedService_Testable
+{
+
+    /**
+     * Use a particular CAS_Client->initializeProxiedService() rather than the
+     * static phpCAS::initializeProxiedService().
+     *
+     * This method should not be called in standard operation, but is needed for unit
+     * testing.
+     *
+     * @param CAS_Client $casClient Cas client object
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after a proxy ticket has
+     *         already been initialized/set.
+     */
+    public function setCasClient (CAS_Client $casClient);
+
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxyChain.php

@@ -0,0 +1,127 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxyChain.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * A normal proxy-chain definition that lists each level of the chain as either
+ * a string or regular expression.
+ *
+ * @class    CAS_ProxyChain
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_ProxyChain
+implements CAS_ProxyChain_Interface
+{
+
+    protected $chain = array();
+
+    /**
+     * A chain is an array of strings or regexp strings that will be matched
+     * against. Regexp will be matched with preg_match and strings will be
+     * matched from the beginning. A string must fully match the beginning of
+     * an proxy url. So you can define a full domain as acceptable or go further
+     * down.
+     * Proxies have to be defined in reverse from the service to the user. If a
+     * user hits service A get proxied via B to service C the list of acceptable
+     * proxies on C would be array(B,A);
+     *
+     * @param array $chain A chain of proxies
+     */
+    public function __construct(array $chain)
+    {
+        // Ensure that we have an indexed array
+        $this->chain = array_values($chain);
+    }
+
+    /**
+     * Match a list of proxies.
+     *
+     * @param array $list The list of proxies in front of this service.
+     *
+     * @return bool
+     */
+    public function matches(array $list)
+    {
+        $list = array_values($list);  // Ensure that we have an indexed array
+        if ($this->isSizeValid($list)) {
+            $mismatch = false;
+            foreach ($this->chain as $i => $search) {
+                $proxy_url = $list[$i];
+                if (preg_match('/^\/.*\/[ixASUXu]*$/s', $search)) {
+                    if (preg_match($search, $proxy_url)) {
+                        phpCAS::trace(
+                            "Found regexp " .  $search . " matching " . $proxy_url
+                        );
+                    } else {
+                        phpCAS::trace(
+                            "No regexp match " .  $search . " != " . $proxy_url
+                        );
+                        $mismatch = true;
+                        break;
+                    }
+                } else {
+                    if (strncasecmp($search, $proxy_url, strlen($search)) == 0) {
+                        phpCAS::trace(
+                            "Found string " .  $search . " matching " . $proxy_url
+                        );
+                    } else {
+                        phpCAS::trace(
+                            "No match " .  $search . " != " . $proxy_url
+                        );
+                        $mismatch = true;
+                        break;
+                    }
+                }
+            }
+            if (!$mismatch) {
+                phpCAS::trace("Proxy chain matches");
+                return true;
+            }
+        } else {
+            phpCAS::trace("Proxy chain skipped: size mismatch");
+        }
+        return false;
+    }
+
+    /**
+     * Validate the size of the the list as compared to our chain.
+     *
+     * @param array $list List of proxies
+     *
+     * @return bool
+     */
+    protected function isSizeValid (array $list)
+    {
+        return (sizeof($this->chain) == sizeof($list));
+    }
+}

vendor/apereo/phpcas/source/CAS/ProxyChain/AllowedList.php

@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxyChain/AllowedList.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+
+/**
+ * ProxyChain is a container for storing chains of valid proxies that can
+ * be used to validate proxied requests to a service
+ *
+ * @class    CAS_ProxyChain_AllowedList
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_ProxyChain_AllowedList
+{
+
+    private $_chains = array();
+
+    /**
+     * Check whether proxies are allowed by configuration
+     *
+     * @return bool
+     */
+    public function isProxyingAllowed()
+    {
+        return (count($this->_chains) > 0);
+    }
+
+    /**
+     * Add a chain of proxies to the list of possible chains
+     *
+     * @param CAS_ProxyChain_Interface $chain A chain of proxies
+     *
+     * @return void
+     */
+    public function allowProxyChain(CAS_ProxyChain_Interface $chain)
+    {
+        $this->_chains[] = $chain;
+    }
+
+    /**
+     * Check if the proxies found in the response match the allowed proxies
+     *
+     * @param array $proxies list of proxies to check
+     *
+     * @return bool whether the proxies match the allowed proxies
+     */
+    public function isProxyListAllowed(array $proxies)
+    {
+        phpCAS::traceBegin();
+        if (empty($proxies)) {
+            phpCAS::trace("No proxies were found in the response");
+            phpCAS::traceEnd(true);
+            return true;
+        } elseif (!$this->isProxyingAllowed()) {
+            phpCAS::trace("Proxies are not allowed");
+            phpCAS::traceEnd(false);
+            return false;
+        } else {
+            $res = $this->contains($proxies);
+            phpCAS::traceEnd($res);
+            return $res;
+        }
+    }
+
+    /**
+     * Validate the proxies from the proxy ticket validation against the
+     * chains that were definded.
+     *
+     * @param array $list List of proxies from the proxy ticket validation.
+     *
+     * @return bool if any chain fully matches the supplied list
+     */
+    public function contains(array $list)
+    {
+        phpCAS::traceBegin();
+        $count = 0;
+        foreach ($this->_chains as $chain) {
+            phpCAS::trace("Checking chain ". $count++);
+            if ($chain->matches($list)) {
+                phpCAS::traceEnd(true);
+                return true;
+            }
+        }
+        phpCAS::trace("No proxy chain matches.");
+        phpCAS::traceEnd(false);
+        return false;
+    }
+}
+?>

vendor/apereo/phpcas/source/CAS/ProxyChain/Any.php

@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxyChain/Any.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * A proxy-chain definition that will match any list of proxies.
+ *
+ * Use this class for quick testing or in certain production screnarios you
+ * might want to allow allow any other valid service to proxy your service.
+ *
+ * THIS CLASS IS HOWEVER NOT RECOMMENDED FOR PRODUCTION AND HAS SECURITY
+ * IMPLICATIONS: YOU ARE ALLOWING ANY SERVICE TO ACT ON BEHALF OF A USER
+ * ON THIS SERVICE.
+ *
+ * @class    CAS_ProxyChain_Any
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxyChain_Any
+implements CAS_ProxyChain_Interface
+{
+
+    /**
+     * Match a list of proxies.
+     *
+     * @param array $list The list of proxies in front of this service.
+     *
+     * @return bool
+     */
+    public function matches(array $list)
+    {
+        phpCAS::trace("Using CAS_ProxyChain_Any. No proxy validation is performed.");
+        return true;
+    }
+
+}

vendor/apereo/phpcas/source/CAS/ProxyChain/Interface.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxyChain/Interface.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * An interface for classes that define a list of allowed proxies in front of
+ * the current application.
+ *
+ * @class    CAS_ProxyChain_Interface
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_ProxyChain_Interface
+{
+
+    /**
+     * Match a list of proxies.
+     *
+     * @param array $list The list of proxies in front of this service.
+     *
+     * @return bool
+     */
+    public function matches(array $list);
+
+}

vendor/apereo/phpcas/source/CAS/ProxyChain/Trusted.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ProxyChain/Trusted.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * A proxy-chain definition that defines a chain up to a trusted proxy and
+ * delegates the resposibility of validating the rest of the chain to that
+ * trusted proxy.
+ *
+ * @class    CAS_ProxyChain_Trusted
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxyChain_Trusted
+extends CAS_ProxyChain
+implements CAS_ProxyChain_Interface
+{
+
+    /**
+     * Validate the size of the the list as compared to our chain.
+     *
+     * @param array $list list of proxies
+     *
+     * @return bool
+     */
+    protected function isSizeValid (array $list)
+    {
+        return (sizeof($this->chain) <= sizeof($list));
+    }
+
+}

vendor/apereo/phpcas/source/CAS/ProxyTicketException.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @class    CAS/ProxyTicketException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ */
+
+/**
+ * An Exception for errors related to fetching or validating proxy tickets.
+ *
+ * @class    CAS_ProxyTicketException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_ProxyTicketException
+extends BadMethodCallException
+implements CAS_Exception
+{
+
+    /**
+     * Constructor
+     *
+     * @param string $message Message text
+     * @param int    $code    Error code
+     *
+     * @return void
+     */
+    public function __construct ($message, $code = PHPCAS_SERVICE_PT_FAILURE)
+    {
+        // Warn if the code is not in our allowed list
+        $ptCodes = array(
+        PHPCAS_SERVICE_PT_FAILURE,
+        PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE,
+        PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
+        );
+        if (!in_array($code, $ptCodes)) {
+            trigger_error(
+                'Invalid code '.$code
+                .' passed. Must be one of PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, or PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE.'
+            );
+        }
+
+        parent::__construct($message, $code);
+    }
+}

vendor/apereo/phpcas/source/CAS/Request/AbstractRequest.php

@@ -0,0 +1,380 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/AbstractRequest.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Provides support for performing web-requests via curl
+ *
+ * @class    CAS_Request_AbstractRequest
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+abstract class CAS_Request_AbstractRequest
+implements CAS_Request_RequestInterface
+{
+
+    protected $url = null;
+    protected $cookies = array();
+    protected $headers = array();
+    protected $isPost = false;
+    protected $postBody = null;
+    protected $caCertPath = null;
+    protected $validateCN = true;
+    private $_sent = false;
+    private $_responseHeaders = array();
+    private $_responseBody = null;
+    private $_errorMessage = '';
+
+    /*********************************************************
+     * Configure the Request
+    *********************************************************/
+
+    /**
+     * Set the URL of the Request
+     *
+     * @param string $url Url to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setUrl ($url)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->url = $url;
+    }
+
+    /**
+     * Add a cookie to the request.
+     *
+     * @param string $name  Name of entry
+     * @param string $value value of entry
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addCookie ($name, $value)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->cookies[$name] = $value;
+    }
+
+    /**
+     * Add an array of cookies to the request.
+     * The cookie array is of the form
+     *     array('cookie_name' => 'cookie_value', 'cookie_name2' => cookie_value2')
+     *
+     * @param array $cookies cookies to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addCookies (array $cookies)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->cookies = array_merge($this->cookies, $cookies);
+    }
+
+    /**
+     * Add a header string to the request.
+     *
+     * @param string $header Header to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addHeader ($header)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->headers[] = $header;
+    }
+
+    /**
+     * Add an array of header strings to the request.
+     *
+     * @param array $headers headers to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addHeaders (array $headers)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->headers = array_merge($this->headers, $headers);
+    }
+
+    /**
+     * Make the request a POST request rather than the default GET request.
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function makePost ()
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+
+        $this->isPost = true;
+    }
+
+    /**
+     * Add a POST body to the request
+     *
+     * @param string $body body to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setPostBody ($body)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+        if (!$this->isPost) {
+            throw new CAS_OutOfSequenceException(
+                'Cannot add a POST body to a GET request, use makePost() first.'
+            );
+        }
+
+        $this->postBody = $body;
+    }
+
+    /**
+     * Specify the path to an SSL CA certificate to validate the server with.
+     *
+     * @param string $caCertPath  path to cert
+     * @param bool   $validate_cn valdiate CN of certificate
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setSslCaCert ($caCertPath,$validate_cn=true)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+        $this->caCertPath = $caCertPath;
+        $this->validateCN = $validate_cn;
+    }
+
+    /*********************************************************
+     * 2. Send the Request
+    *********************************************************/
+
+    /**
+     * Perform the request.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     */
+    public function send ()
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot send again.'
+            );
+        }
+        if (is_null($this->url) || !$this->url) {
+            throw new CAS_OutOfSequenceException(
+                'A url must be specified via setUrl() before the request can be sent.'
+            );
+        }
+        $this->_sent = true;
+        return $this->sendRequest();
+    }
+
+    /**
+     * Send the request and store the results.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract protected function sendRequest ();
+
+    /**
+     * Store the response headers.
+     *
+     * @param array $headers headers to store
+     *
+     * @return void
+     */
+    protected function storeResponseHeaders (array $headers)
+    {
+        $this->_responseHeaders = array_merge($this->_responseHeaders, $headers);
+    }
+
+    /**
+     * Store a single response header to our array.
+     *
+     * @param string $header header to store
+     *
+     * @return void
+     */
+    protected function storeResponseHeader ($header)
+    {
+        $this->_responseHeaders[] = $header;
+    }
+
+    /**
+     * Store the response body.
+     *
+     * @param string $body body to store
+     *
+     * @return void
+     */
+    protected function storeResponseBody ($body)
+    {
+        $this->_responseBody = $body;
+    }
+
+    /**
+     * Add a string to our error message.
+     *
+     * @param string $message message to add
+     *
+     * @return void
+     */
+    protected function storeErrorMessage ($message)
+    {
+        $this->_errorMessage .= $message;
+    }
+
+    /*********************************************************
+     * 3. Access the response
+    *********************************************************/
+
+    /**
+     * Answer the headers of the response.
+     *
+     * @return array An array of header strings.
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseHeaders ()
+    {
+        if (!$this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has not been sent yet. Cannot '.__METHOD__
+            );
+        }
+        return $this->_responseHeaders;
+    }
+
+    /**
+     * Answer HTTP status code of the response
+     *
+     * @return int
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     * @throws CAS_Request_Exception if the response did not contain a status code
+     */
+    public function getResponseStatusCode ()
+    {
+        if (!$this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has not been sent yet. Cannot '.__METHOD__
+            );
+        }
+
+        if (!preg_match(
+            '/HTTP\/[0-9.]+\s+([0-9]+)\s*(.*)/',
+            $this->_responseHeaders[0], $matches
+        )
+        ) {
+            throw new CAS_Request_Exception(
+                'Bad response, no status code was found in the first line.'
+            );
+        }
+
+        return intval($matches[1]);
+    }
+
+    /**
+     * Answer the body of response.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseBody ()
+    {
+        if (!$this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has not been sent yet. Cannot '.__METHOD__
+            );
+        }
+
+        return $this->_responseBody;
+    }
+
+    /**
+     * Answer a message describing any errors if the request failed.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getErrorMessage ()
+    {
+        if (!$this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has not been sent yet. Cannot '.__METHOD__
+            );
+        }
+        return $this->_errorMessage;
+    }
+}

vendor/apereo/phpcas/source/CAS/Request/CurlMultiRequest.php

@@ -0,0 +1,147 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/AbstractRequest.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines a class library for performing multiple web requests
+ * in batches. Implementations of this interface may perform requests serially
+ * or in parallel.
+ *
+ * @class    CAS_Request_CurlMultiRequest
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_Request_CurlMultiRequest
+implements CAS_Request_MultiRequestInterface
+{
+    private $_requests = array();
+    private $_sent = false;
+
+    /*********************************************************
+     * Add Requests
+    *********************************************************/
+
+    /**
+     * Add a new Request to this batch.
+     * Note, implementations will likely restrict requests to their own concrete
+     * class hierarchy.
+     *
+     * @param CAS_Request_RequestInterface $request reqest to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     * @throws CAS_InvalidArgumentException If passed a Request of the wrong
+     * implmentation.
+     */
+    public function addRequest (CAS_Request_RequestInterface $request)
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+        if (!$request instanceof CAS_Request_CurlRequest) {
+            throw new CAS_InvalidArgumentException(
+                'As a CAS_Request_CurlMultiRequest, I can only work with CAS_Request_CurlRequest objects.'
+            );
+        }
+
+        $this->_requests[] = $request;
+    }
+
+    /**
+     * Retrieve the number of requests added to this batch.
+     *
+     * @return int number of request elements
+     * @throws CAS_OutOfSequenceException if the request has already been sent
+     */
+    public function getNumRequests()
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot '.__METHOD__
+            );
+        }
+        return count($this->_requests);
+    }
+
+    /*********************************************************
+     * 2. Send the Request
+    *********************************************************/
+
+    /**
+     * Perform the request. After sending, all requests will have their
+     * responses poulated.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     */
+    public function send ()
+    {
+        if ($this->_sent) {
+            throw new CAS_OutOfSequenceException(
+                'Request has already been sent cannot send again.'
+            );
+        }
+        if (!count($this->_requests)) {
+            throw new CAS_OutOfSequenceException(
+                'At least one request must be added via addRequest() before the multi-request can be sent.'
+            );
+        }
+
+        $this->_sent = true;
+
+        // Initialize our handles and configure all requests.
+        $handles = array();
+        $multiHandle = curl_multi_init();
+        foreach ($this->_requests as $i => $request) {
+            $handle = $request->initAndConfigure();
+            curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
+            $handles[$i] = $handle;
+            curl_multi_add_handle($multiHandle, $handle);
+        }
+
+        // Execute the requests in parallel.
+        do {
+            curl_multi_exec($multiHandle, $running);
+        } while ($running > 0);
+
+        // Populate all of the responses or errors back into the request objects.
+        foreach ($this->_requests as $i => $request) {
+            $buf = curl_multi_getcontent($handles[$i]);
+            $request->_storeResponseBody($buf);
+            curl_multi_remove_handle($multiHandle, $handles[$i]);
+            curl_close($handles[$i]);
+        }
+
+        curl_multi_close($multiHandle);
+    }
+}

vendor/apereo/phpcas/source/CAS/Request/CurlRequest.php

@@ -0,0 +1,198 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/CurlRequest.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Provides support for performing web-requests via curl
+ *
+ * @class    CAS_Request_CurlRequest
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_Request_CurlRequest
+extends CAS_Request_AbstractRequest
+implements CAS_Request_RequestInterface
+{
+
+    /**
+     * Set additional curl options
+     *
+     * @param array $options option to set
+     *
+     * @return void
+     */
+    public function setCurlOptions (array $options)
+    {
+        $this->_curlOptions = $options;
+    }
+    private $_curlOptions = array();
+
+    /**
+     * Send the request and store the results.
+     *
+     * @return bool true on success, false on failure.
+     */
+    protected function sendRequest ()
+    {
+        phpCAS::traceBegin();
+
+        /*********************************************************
+         * initialize the CURL session
+        *********************************************************/
+        $ch = $this->initAndConfigure();
+
+        /*********************************************************
+         * Perform the query
+        *********************************************************/
+        $buf = curl_exec($ch);
+        if ( $buf === false ) {
+            phpCAS::trace('curl_exec() failed');
+            $this->storeErrorMessage(
+                'CURL error #'.curl_errno($ch).': '.curl_error($ch)
+            );
+            $res = false;
+        } else {
+            $this->storeResponseBody($buf);
+            phpCAS::trace("Response Body: \n".$buf."\n");
+            $res = true;
+
+        }
+        // close the CURL session
+        curl_close($ch);
+
+        phpCAS::traceEnd($res);
+        return $res;
+    }
+
+    /**
+     * Internal method to initialize our cURL handle and configure the request.
+     * This method should NOT be used outside of the CurlRequest or the
+     * CurlMultiRequest.
+     *
+     * @return resource|false The cURL handle on success, false on failure
+     */
+    public function initAndConfigure()
+    {
+        /*********************************************************
+         * initialize the CURL session
+        *********************************************************/
+        $ch = curl_init($this->url);
+
+        curl_setopt_array($ch, $this->_curlOptions);
+
+        /*********************************************************
+         * Set SSL configuration
+        *********************************************************/
+        if ($this->caCertPath) {
+            if ($this->validateCN) {
+                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+            } else {
+                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
+            }
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+            curl_setopt($ch, CURLOPT_CAINFO, $this->caCertPath);
+            phpCAS::trace('CURL: Set CURLOPT_CAINFO ' . $this->caCertPath);
+        } else {
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
+        }
+
+        /*********************************************************
+         * Configure curl to capture our output.
+        *********************************************************/
+        // return the CURL output into a variable
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+
+        // get the HTTP header with a callback
+        curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, '_curlReadHeaders'));
+
+        /*********************************************************
+         * Add cookie headers to our request.
+        *********************************************************/
+        if (count($this->cookies)) {
+            $cookieStrings = array();
+            foreach ($this->cookies as $name => $val) {
+                $cookieStrings[] = $name.'='.$val;
+            }
+            curl_setopt($ch, CURLOPT_COOKIE, implode(';', $cookieStrings));
+        }
+
+        /*********************************************************
+         * Add any additional headers
+        *********************************************************/
+        if (count($this->headers)) {
+            curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
+        }
+
+        /*********************************************************
+         * Flag and Body for POST requests
+        *********************************************************/
+        if ($this->isPost) {
+            curl_setopt($ch, CURLOPT_POST, 1);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $this->postBody);
+        }
+
+        /*********************************************************
+         * Set User Agent
+         *********************************************************/
+        curl_setopt($ch, CURLOPT_USERAGENT, 'phpCAS/' . phpCAS::getVersion());
+
+        return $ch;
+    }
+
+    /**
+     * Store the response body.
+     * This method should NOT be used outside of the CurlRequest or the
+     * CurlMultiRequest.
+     *
+     * @param string $body body to stor
+     *
+     * @return void
+     */
+    public function _storeResponseBody ($body)
+    {
+        $this->storeResponseBody($body);
+    }
+
+    /**
+     * Internal method for capturing the headers from a curl request.
+     *
+     * @param resource $ch     handle of curl
+     * @param string $header header
+     *
+     * @return int
+     */
+    public function _curlReadHeaders ($ch, $header)
+    {
+        $this->storeResponseHeader($header);
+        return strlen($header);
+    }
+}

vendor/apereo/phpcas/source/CAS/Request/Exception.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/Exception.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * An Exception for problems performing requests
+ *
+ * @class    CAS_Request_Exception
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_Request_Exception
+extends Exception
+implements CAS_Exception
+{
+
+}

vendor/apereo/phpcas/source/CAS/Request/MultiRequestInterface.php

@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/MultiRequestInterface.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines a class library for performing multiple web requests
+ * in batches. Implementations of this interface may perform requests serially
+ * or in parallel.
+ *
+ * @class    CAS_Request_MultiRequestInterface
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_Request_MultiRequestInterface
+{
+
+    /*********************************************************
+     * Add Requests
+    *********************************************************/
+
+    /**
+     * Add a new Request to this batch.
+     * Note, implementations will likely restrict requests to their own concrete
+     * class hierarchy.
+     *
+     * @param CAS_Request_RequestInterface $request request interface
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been
+     * sent.
+     * @throws CAS_InvalidArgumentException If passed a Request of the wrong
+     * implmentation.
+     */
+    public function addRequest (CAS_Request_RequestInterface $request);
+
+    /**
+     * Retrieve the number of requests added to this batch.
+     *
+     * @return int number of request elements
+     */
+    public function getNumRequests ();
+
+    /*********************************************************
+     * 2. Send the Request
+    *********************************************************/
+
+    /**
+     * Perform the request. After sending, all requests will have their
+     * responses poulated.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     */
+    public function send ();
+}

vendor/apereo/phpcas/source/CAS/Request/RequestInterface.php

@@ -0,0 +1,179 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Request/RequestInterface.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * This interface defines a class library for performing web requests.
+ *
+ * @class    CAS_Request_RequestInterface
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_Request_RequestInterface
+{
+
+    /*********************************************************
+     * Configure the Request
+    *********************************************************/
+
+    /**
+     * Set the URL of the Request
+     *
+     * @param string $url url to set
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setUrl ($url);
+
+    /**
+     * Add a cookie to the request.
+     *
+     * @param string $name  name of cookie
+     * @param string $value value of cookie
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addCookie ($name, $value);
+
+    /**
+     * Add an array of cookies to the request.
+     * The cookie array is of the form
+     *     array('cookie_name' => 'cookie_value', 'cookie_name2' => cookie_value2')
+     *
+     * @param array $cookies cookies to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addCookies (array $cookies);
+
+    /**
+     * Add a header string to the request.
+     *
+     * @param string $header header to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addHeader ($header);
+
+    /**
+     * Add an array of header strings to the request.
+     *
+     * @param array $headers headers to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function addHeaders (array $headers);
+
+    /**
+     * Make the request a POST request rather than the default GET request.
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function makePost ();
+
+    /**
+     * Add a POST body to the request
+     *
+     * @param string $body body to add
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setPostBody ($body);
+
+
+    /**
+     * Specify the path to an SSL CA certificate to validate the server with.
+     *
+     * @param string  $caCertPath  path to cert file
+     * @param boolean $validate_cn validate CN of SSL certificate
+     *
+     * @return void
+     * @throws CAS_OutOfSequenceException If called after the Request has been sent.
+     */
+    public function setSslCaCert ($caCertPath, $validate_cn = true);
+
+
+
+    /*********************************************************
+     * 2. Send the Request
+    *********************************************************/
+
+    /**
+     * Perform the request.
+     *
+     * @return bool TRUE on success, FALSE on failure.
+     * @throws CAS_OutOfSequenceException If called multiple times.
+     */
+    public function send ();
+
+    /*********************************************************
+     * 3. Access the response
+    *********************************************************/
+
+    /**
+     * Answer the headers of the response.
+     *
+     * @return array An array of header strings.
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseHeaders ();
+
+    /**
+     * Answer HTTP status code of the response
+     *
+     * @return int
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseStatusCode ();
+
+    /**
+     * Answer the body of response.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getResponseBody ();
+
+    /**
+     * Answer a message describing any errors if the request failed.
+     *
+     * @return string
+     * @throws CAS_OutOfSequenceException If called before the Request has been sent.
+     */
+    public function getErrorMessage ();
+}

vendor/apereo/phpcas/source/CAS/ServiceBaseUrl/AllowedListDiscovery.php

@@ -0,0 +1,152 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ServiceBaseUrl/AllowedListDiscovery.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+
+/**
+ * Class that gets the service base URL of the PHP server by HTTP header
+ * discovery and allowlist check. This is used to generate service URL
+ * and PGT callback URL.
+ *
+ * @class    CAS_ServiceBaseUrl_AllowedListDiscovery
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_ServiceBaseUrl_AllowedListDiscovery
+extends CAS_ServiceBaseUrl_Base
+{
+    private $_list = array();
+
+    public function __construct($list) {
+        if (is_array($list)) {
+            if (count($list) === 0) {
+                throw new CAS_InvalidArgumentException('$list should not be empty');
+            }
+            foreach ($list as $value) {
+                $this->allow($value);
+            }
+        } else {
+            throw new CAS_TypeMismatchException($list, '$list', 'array');
+        }
+    }
+
+    /**
+     * Add a base URL to the allowed list.
+     *
+     * @param $url protocol, host name and port to add to the allowed list
+     *
+     * @return void
+     */
+    public function allow($url)
+    {
+        $this->_list[] = $this->removeStandardPort($url);
+    }
+
+    /**
+     * Check if the server name is allowed by configuration.
+     *
+     * @param $name server name to check
+     *
+     * @return bool whether the allowed list contains the server name
+     */
+    protected function isAllowed($name)
+    {
+        return in_array($name, $this->_list);
+    }
+
+    /**
+     * Discover the server name through HTTP headers.
+     *
+     * We read:
+     * - HTTP header X-Forwarded-Host
+     * - HTTP header X-Forwarded-Server and X-Forwarded-Port
+     * - HTTP header Host and SERVER_PORT
+     * - PHP SERVER_NAME (which can change based on the HTTP server used)
+     *
+     * The standard port will be omitted (80 for HTTP, 443 for HTTPS).
+     *
+     * @return string the discovered, unsanitized server protocol, hostname and port
+     */
+    protected function discover()
+    {
+        $isHttps = $this->isHttps();
+        $protocol = $isHttps ? 'https' : 'http';
+        $protocol .= '://';
+        if (!empty($_SERVER['HTTP_X_FORWARDED_HOST'])) {
+            // explode the host list separated by comma and use the first host
+            $hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_HOST']);
+            // see rfc7239#5.3 and rfc7230#2.7.1: port is in HTTP_X_FORWARDED_HOST if non default
+            return $protocol . $hosts[0];
+        } else if (!empty($_SERVER['HTTP_X_FORWARDED_SERVER'])) {
+            $server_url = $_SERVER['HTTP_X_FORWARDED_SERVER'];
+        } else {
+            if (empty($_SERVER['SERVER_NAME'])) {
+                $server_url = $_SERVER['HTTP_HOST'];
+            } else {
+                $server_url = $_SERVER['SERVER_NAME'];
+            }
+        }
+        if (!strpos($server_url, ':')) {
+            if (empty($_SERVER['HTTP_X_FORWARDED_PORT'])) {
+                $server_port = $_SERVER['SERVER_PORT'];
+            } else {
+                $ports = explode(',', $_SERVER['HTTP_X_FORWARDED_PORT']);
+                $server_port = $ports[0];
+            }
+
+            $server_url .= ':';
+            $server_url .= $server_port;
+        }
+        return $protocol . $server_url;
+    }
+
+    /**
+     * Get PHP server base URL.
+     *
+     * @return string the server protocol, hostname and port
+     */
+    public function get()
+    {
+        phpCAS::traceBegin();
+        $result = $this->removeStandardPort($this->discover());
+        phpCAS::trace("Discovered server base URL: " . $result);
+        if ($this->isAllowed($result)) {
+            phpCAS::trace("Server base URL is allowed");
+            phpCAS::traceEnd(true);
+        } else {
+            $result = $this->_list[0];
+            phpCAS::trace("Server base URL is not allowed, using default: " . $result);
+            phpCAS::traceEnd(false);
+        }
+        return $result;
+    }
+}

vendor/apereo/phpcas/source/CAS/ServiceBaseUrl/Base.php

@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ServiceBaseUrl/Base.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Base class of CAS/ServiceBaseUrl that implements isHTTPS method.
+ *
+ * @class    CAS_ServiceBaseUrl_Base
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+abstract class CAS_ServiceBaseUrl_Base
+implements CAS_ServiceBaseUrl_Interface
+{
+
+    /**
+     * Get PHP server name.
+     *
+     * @return string the server hostname and port of the server
+     */
+    abstract public function get();
+
+    /**
+     * Check whether HTTPS is used.
+     *
+     * This is used to construct the protocol in the URL.
+     *
+     * @return bool true if HTTPS is used
+     */
+    public function isHttps() {
+        if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+            return ($_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https');
+        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])) {
+            return ($_SERVER['HTTP_X_FORWARDED_PROTOCOL'] === 'https');
+        } elseif ( isset($_SERVER['HTTPS'])
+            && !empty($_SERVER['HTTPS'])
+            && strcasecmp($_SERVER['HTTPS'], 'off') !== 0
+        ) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Remove standard HTTP and HTTPS port for discovery and allowlist input.
+     *
+     * @param $url URL as https://domain:port without trailing slash
+     * @return standardized URL, or the original URL
+     * @throws CAS_InvalidArgumentException if the URL does not include the protocol
+     */
+    protected function removeStandardPort($url) {
+        if (strpos($url, "://") === false) {
+            throw new CAS_InvalidArgumentException(
+                "Configured base URL should include the protocol string: " . $url);
+        }
+
+        $url = rtrim($url, '/');
+
+        if (strpos($url, "https://") === 0 && substr_compare($url, ':443', -4) === 0) {
+            return substr($url, 0, -4);
+        }
+
+        if (strpos($url, "http://") === 0 && substr_compare($url, ':80', -3) === 0) {
+            return substr($url, 0, -3);
+        }
+
+        return $url;
+    }
+
+}

vendor/apereo/phpcas/source/CAS/ServiceBaseUrl/Interface.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ServerHostname/Interface.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * An interface for classes that gets the server name of the PHP server.
+ * This is used to generate service URL and PGT callback URL.
+ *
+ * @class    CAS_ServiceBaseUrl_Interface
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+interface CAS_ServiceBaseUrl_Interface
+{
+
+    /**
+     * Get PHP HTTP protocol and server name.
+     *
+     * @return string protocol, server hostname, and optionally port,
+     *                without trailing slash (https://localhost:8443)
+     */
+    public function get();
+
+    /**
+     * Check whether HTTPS is used.
+     *
+     * This is used to construct the protocol in the URL.
+     *
+     * @return bool true if HTTPS is used
+     */
+    public function isHttps();
+
+}

vendor/apereo/phpcas/source/CAS/ServiceBaseUrl/Static.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/ServiceBaseUrl/Static.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+
+/**
+ * Class that gets the server name of the PHP server by statically set
+ * hostname and port. This is used to generate service URL and PGT
+ * callback URL.
+ *
+ * @class    CAS_ServiceBaseUrl_Static
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Henry Pan <git@phy25.com>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+class CAS_ServiceBaseUrl_Static
+extends CAS_ServiceBaseUrl_Base
+{
+    private $_name = null;
+
+    public function __construct($name) {
+        if (is_string($name)) {
+            $this->_name = $this->removeStandardPort($name);
+        } else {
+            throw new CAS_TypeMismatchException($name, '$name', 'string');
+        }
+    }
+
+    /**
+     * Get the server name through static config.
+     *
+     * @return string the server hostname and port of the server configured
+     */
+    public function get()
+    {
+        phpCAS::traceBegin();
+        phpCAS::trace("Returning static server name: " . $this->_name);
+        phpCAS::traceEnd(true);
+        return $this->_name;
+    }
+}

vendor/apereo/phpcas/source/CAS/Session/PhpSession.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/Session/PhpSession.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Empty class used as a default implementation for phpCAS.
+ *
+ * Implements the standard PHP session handler without no alterations.
+ *
+ * @class    CAS_Session_PhpSession
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_Session_PhpSession extends SessionHandler implements SessionHandlerInterface
+{
+}

vendor/apereo/phpcas/source/CAS/TypeMismatchException.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 7
+ *
+ * @file     CAS/InvalidArgumentException.php
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Exception that denotes invalid arguments were passed.
+ *
+ * @class    CAS_InvalidArgumentException
+ * @category Authentication
+ * @package  PhpCAS
+ * @author   Adam Franco <afranco@middlebury.edu>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
+ * @link     https://wiki.jasig.org/display/CASC/phpCAS
+ */
+class CAS_TypeMismatchException
+extends CAS_InvalidArgumentException
+{
+    /**
+     * Constructor, provides a nice message.
+     *
+     * @param mixed   $argument     Argument
+     * @param string  $argumentName Argument Name
+     * @param string  $type         Type
+     * @param string  $message      Error Message
+     * @param integer $code         Code
+     *
+     * @return void
+     */
+    public function __construct (
+        $argument, $argumentName, $type, $message = '', $code = 0
+    ) {
+        if (is_object($argument)) {
+            $foundType = get_class($argument).' object';
+        } else {
+            $foundType = gettype($argument);
+        }
+
+        parent::__construct(
+            'type mismatched for parameter '
+            . $argumentName . ' (should be \'' . $type .' \'), '
+            . $foundType . ' given. ' . $message, $code
+        );
+    }
+}
+?>