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<?php |
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/** |
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* This file does a lot of important stuff. Mainly, this means it handles |
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* the query string, request variables, and session management. |
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* |
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* @package ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file) |
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* |
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* This file contains code covered by: |
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* copyright: 2011 Simple Machines (http://www.simplemachines.org) |
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* |
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* @version 2.0 dev |
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* |
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*/ |
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use ElkArte\Request; |
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use Elkarte\User; |
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/** |
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* Clean the request variables - add html entities to GET. |
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* |
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* What it does: |
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* |
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* - Uses Request to determine as best it can client IPs for the current request. |
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* - Uses Request cleanRequest() to: |
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* - Clean the request variables (ENV, GET, POST, COOKIE, SERVER) |
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* - Makes sure the query string was parsed correctly. |
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* - Handles the URLs passed by the queryless URLs option. |
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* - Makes sure, regardless of php.ini, everything has slashes. |
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* - Uses Request parseRequest() to clean and set up variables like $board or $_REQUEST'start']. |
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*/ |
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function cleanRequest() |
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{ |
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// Make sure REMOTE_ADDR, other IPs, and the like are parsed |
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$req = Request::instance(); |
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$parser = initUrlGenerator()->getParser(); |
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// Make sure there are no problems with the request |
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$req->cleanRequest($parser); |
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// Parse the $_REQUEST and make sure things like board, topic don't have weird stuff |
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$req->parseRequest(); |
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} |
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/** |
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* Escapes (replaces) characters in strings to make them safe for use in javascript |
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* |
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* @param string $string The string to escape |
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* |
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* @return string The escaped string |
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*/ |
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function JavaScriptEscape($string) |
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{ |
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global $scripturl; |
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return '\'' . strtr($string, [ |
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"\r" => '', |
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"\n" => '\\n', |
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"\t" => '\\t', |
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'\\' => '\\\\', |
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'\'' => '\\\'', |
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'</' => '<\' + \'/', |
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'<script' => '<scri\'+\'pt', |
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'<body>' => '<bo\'+\'dy>', |
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'<a href' => '<a hr\'+\'ef', |
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$scripturl => '\' + elk_scripturl + \'', |
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]) . '\''; |
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} |
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/** |
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* Rewrite URLs to include the session ID. |
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* |
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* What it does: |
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* |
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* - Rewrites the URLs outputted to have the session ID, if the user |
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* is not accepting cookies and is using a standard web browser. |
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* - Handles rewriting URLs for the queryless URLs option. |
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* - Can be turned off entirely by setting $scripturl to an empty |
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* string, ''. (it would not work well like that anyway.) |
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* |
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* @param string $buffer The unmodified output buffer |
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* |
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* @return string The modified output buffer |
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*/ |
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function ob_sessrewrite($buffer) |
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{ |
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global $scripturl; |
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// If $scripturl is set to nothing, or the SID is not defined (SSI?) just quit. |
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if ($scripturl === '' || !defined('SID')) |
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{ |
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return $buffer; |
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} |
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// Do nothing if the session is cookied, or they are a crawler - guests are caught by redirectexit(). |
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if (empty($_COOKIE) && SID !== '' && empty(User::$info->possibly_robot)) |
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{ |
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$buffer = preg_replace('/(?<!<link rel="canonical" href=)"' . preg_quote($scripturl, '/') . '(?!\?' . preg_quote(SID, '/') . ')\\??/', '"' . $scripturl . '?' . SID . '&', $buffer); |
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} |
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// Debugging templates, are we? |
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elseif (isset($_GET['debug'])) |
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{ |
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$buffer = preg_replace('/(?<!<link rel="canonical" href=)"' . preg_quote($scripturl, '/') . '\\??/', '"' . $scripturl . '?debug;', $buffer); |
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} |
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// Return the changed buffer. |
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return $buffer; |
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} |
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elkarte /
Elkarte
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