<?php
-/*
-* API for MediaWiki 1.8+
-*
-* Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
-*
-* This program is free software; you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation; either version 2 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along
-* with this program; if not, write to the Free Software Foundation, Inc.,
-* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-* http://www.gnu.org/copyleft/gpl.html
-*/
-
-/**
- * This file is the entry point for all API queries. It begins by checking
+/**
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * This file is the entry point for all API queries. It begins by checking
* whether the API is enabled on this wiki; if not, it informs the user that
* s/he should set $wgEnableAPI to true and exits. Otherwise, it constructs
* a new ApiMain using the parameter passed to it as an argument in the URL
*/
// Initialise common code
-require (dirname(__FILE__) . '/includes/WebStart.php');
+require ( dirname( __FILE__ ) . '/includes/WebStart.php' );
-wfProfileIn('api.php');
+wfProfileIn( 'api.php' );
+$starttime = microtime( true );
+
+// URL safety checks
+//
+// See RawPage.php for details; summary is that MSIE can override the
+// Content-Type if it sees a recognized extension on the URL, such as
+// might be appended via PATH_INFO after 'api.php'.
+//
+// Some data formats can end up containing unfiltered user-provided data
+// which will end up triggering HTML detection and execution, hence
+// XSS injection and all that entails.
+//
+if ( $wgRequest->isPathInfoBad() ) {
+ wfHttpError( 403, 'Forbidden',
+ 'Invalid file extension found in PATH_INFO. ' .
+ 'The API must be accessed through the primary script entry point.' );
+ return;
+}
// Verify that the API has not been disabled
-if (!$wgEnableAPI) {
+if ( !$wgEnableAPI ) {
echo 'MediaWiki API is not enabled for this site. Add the following line to your LocalSettings.php';
echo '<pre><b>$wgEnableAPI=true;</b></pre>';
- die(-1);
+ die( 1 );
+}
+
+// Selectively allow cross-site AJAX
+
+/*
+ * Helper function to convert wildcard string into a regex
+ * '*' => '.*?'
+ * '?' => '.'
+ * @ return string
+ */
+function convertWildcard( $search ) {
+ $search = preg_quote( $search, '/' );
+ $search = str_replace(
+ array( '\*', '\?' ),
+ array( '.*?', '.' ),
+ $search
+ );
+ return "/$search/";
}
+if ( $wgCrossSiteAJAXdomains && isset( $_SERVER['HTTP_ORIGIN'] ) ) {
+ $exceptions = array_map( 'convertWildcard', $wgCrossSiteAJAXdomainExceptions );
+ $regexes = array_map( 'convertWildcard', $wgCrossSiteAJAXdomains );
+ foreach ( $regexes as $regex ) {
+ if ( preg_match( $regex, $_SERVER['HTTP_ORIGIN'] ) ) {
+ foreach ( $exceptions as $exc ) { // Check against exceptions
+ if ( preg_match( $exc, $_SERVER['HTTP_ORIGIN'] ) ) {
+ break 2;
+ }
+ }
+ header( "Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}" );
+ header( 'Access-Control-Allow-Credentials: true' );
+ break;
+ }
+ }
+}
+
+// So extensions can check whether they're running in API mode
+define( 'MW_API', true );
+
+// Set a dummy $wgTitle, because $wgTitle == null breaks various things
+// In a perfect world this wouldn't be necessary
+$wgTitle = Title::makeTitle( NS_MAIN, 'API' );
+
/* Construct an ApiMain with the arguments passed via the URL. What we get back
* is some form of an ApiMain, possibly even one that produces an error message,
* but we don't care here, as that is handled by the ctor.
*/
-$processor = new ApiMain($wgRequest, $wgEnableWriteAPI);
+$processor = new ApiMain( $wgRequest, $wgEnableWriteAPI );
-// Generate the output.
+// Process data & print results
$processor->execute();
+// Execute any deferred updates
+wfDoUpdates();
+
// Log what the user did, for book-keeping purposes.
-wfProfileOut('api.php');
+$endtime = microtime( true );
+wfProfileOut( 'api.php' );
wfLogProfilingData();
-?>
+
+// Log the request
+if ( $wgAPIRequestLog ) {
+ $items = array(
+ wfTimestamp( TS_MW ),
+ $endtime - $starttime,
+ wfGetIP(),
+ $_SERVER['HTTP_USER_AGENT']
+ );
+ $items[] = $wgRequest->wasPosted() ? 'POST' : 'GET';
+ if ( $processor->getModule()->mustBePosted() ) {
+ $items[] = "action=" . $wgRequest->getVal( 'action' );
+ } else {
+ $items[] = wfArrayToCGI( $wgRequest->getValues() );
+ }
+ wfErrorLog( implode( ',', $items ) . "\n", $wgAPIRequestLog );
+ wfDebug( "Logged API request to $wgAPIRequestLog\n" );
+}
+
+// Shut down the database
+wfGetLBFactory()->shutdown();
+