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<?php
/**
* 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 ('?action=') and with write-enabled set to the
* value of $wgEnableWriteAPI as specified in LocalSettings.php.
* It then invokes "execute()" on the ApiMain object instance, which
* produces output in the format specified in the URL.
*
* Copyright © 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
// So extensions (and other code) can check whether they're running in API mode
define( 'MW_API', true );
// Bail if PHP is too low
if ( !function_exists( 'version_compare' ) || version_compare( PHP_VERSION, '5.3.2' ) < 0 ) {
// We need to use dirname( __FILE__ ) here cause __DIR__ is PHP5.3+
require dirname( __FILE__ ) . '/includes/PHPVersionError.php';
wfPHPVersionError( 'api.php' );
}
require __DIR__ . '/includes/WebStart.php';
wfProfileIn( 'api.php' );
$starttime = microtime( true );
// URL safety checks
if ( !$wgRequest->checkUrlExtension() ) {
return;
}
// Verify that the API has not been disabled
if ( !$wgEnableAPI ) {
header( $_SERVER['SERVER_PROTOCOL'] . ' 500 MediaWiki configuration Error', true, 500 );
echo 'MediaWiki API is not enabled for this site. Add the following line to your LocalSettings.php'
. '<pre><b>$wgEnableAPI=true;</b></pre>';
die( 1 );
}
// 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( RequestContext::getMain(), $wgEnableWriteAPI );
// Last chance hook before executing the API
try {
wfRunHooks( 'ApiBeforeMain', array( &$processor ) );
if ( !$processor instanceof ApiMain ) {
throw new MWException( 'ApiBeforMain hook set $processor to a non-ApiMain class' );
}
} catch ( Exception $e ) {
// Crap. Try to report the exception in API format to be friendly to clients.
ApiMain::handleApiBeforeMainException( $e );
$processor = false;
}
// Process data & print results
if ( $processor ) {
$processor->execute();
}
if ( function_exists( 'fastcgi_finish_request' ) ) {
fastcgi_finish_request();
}
// Execute any deferred updates
DeferredUpdates::doUpdates();
// Log what the user did, for book-keeping purposes.
$endtime = microtime( true );
wfProfileOut( 'api.php' );
wfLogProfilingData();
// Log the request
if ( $wgAPIRequestLog ) {
$items = array(
wfTimestamp( TS_MW ),
$endtime - $starttime,
$wgRequest->getIP(),
$wgRequest->getHeader( 'User-agent' )
);
$items[] = $wgRequest->wasPosted() ? 'POST' : 'GET';
if ( $processor ) {
try {
$manager = $processor->getModuleManager();
$module = $manager->getModule( $wgRequest->getVal( 'action' ), 'action' );
} catch ( Exception $ex ) {
$module = null;
}
if ( !$module || $module->mustBePosted() ) {
$items[] = "action=" . $wgRequest->getVal( 'action' );
} else {
$items[] = wfArrayToCgi( $wgRequest->getValues() );
}
} else {
$items[] = "failed in ApiBeforeMain";
}
wfErrorLog( implode( ',', $items ) . "\n", $wgAPIRequestLog );
wfDebug( "Logged API request to $wgAPIRequestLog\n" );
}
// Shut down the database. foo()->bar() syntax is not supported in PHP4: we won't ever actually
// get here to worry about whether this should be = or =&, but the file has to parse properly.
$lb = wfGetLBFactory();
$lb->shutdown();
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