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Updated phpCAS to 1.3.4

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Adam Zammit
2015-12-18 12:58:14 +11:00
parent 97b636a3ff
commit 700a74bad8
91 changed files with 13381 additions and 3960 deletions
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127
include/limesurvey/admin/classes/phpCAS/CAS/ProxyChain.php Normal file
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<?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 5
*
* @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));
}
}