80991043a9
* Added support for static member functions as AJAX callbacks. * Moved all upload-related javascript to upload.js. * Needs artwork, see TODO in upload.js. * Removed UploadForm::showSuccess() as per wikitech-l discussion. Redirect to description page unconditionally.
123 lines
2.5 KiB
PHP
123 lines
2.5 KiB
PHP
<?php
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/**
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* Handle ajax requests and send them to the proper handler.
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*/
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if( !(defined( 'MEDIAWIKI' ) && $wgUseAjax ) ) {
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die( 1 );
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}
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require_once( 'AjaxFunctions.php' );
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/**
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* Object-Oriented Ajax functions.
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* @addtogroup Ajax
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*/
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class AjaxDispatcher {
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/** The way the request was made, either a 'get' or a 'post' */
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private $mode;
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/** Name of the requested handler */
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private $func_name;
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/** Arguments passed */
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private $args;
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/** Load up our object with user supplied data */
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function __construct() {
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wfProfileIn( __METHOD__ );
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$this->mode = "";
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if (! empty($_GET["rs"])) {
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$this->mode = "get";
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}
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if (!empty($_POST["rs"])) {
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$this->mode = "post";
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}
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switch( $this->mode ) {
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case 'get':
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$this->func_name = isset( $_GET["rs"] ) ? $_GET["rs"] : '';
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if (! empty($_GET["rsargs"])) {
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$this->args = $_GET["rsargs"];
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} else {
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$this->args = array();
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}
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break;
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case 'post':
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$this->func_name = isset( $_POST["rs"] ) ? $_POST["rs"] : '';
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if (! empty($_POST["rsargs"])) {
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$this->args = $_POST["rsargs"];
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} else {
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$this->args = array();
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}
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break;
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default:
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return;
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# Or we could throw an exception:
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#throw new MWException( __METHOD__ . ' called without any data (mode empty).' );
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}
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wfProfileOut( __METHOD__ );
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}
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/** Pass the request to our internal function.
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* BEWARE! Data are passed as they have been supplied by the user,
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* they should be carefully handled in the function processing the
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* request.
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*/
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function performAction() {
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global $wgAjaxExportList, $wgOut;
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if ( empty( $this->mode ) ) {
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return;
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}
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wfProfileIn( __METHOD__ );
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if (! in_array( $this->func_name, $wgAjaxExportList ) ) {
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wfHttpError( 400, 'Bad Request',
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"unknown function " . (string) $this->func_name );
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} else {
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if ( strpos( $this->func_name, '::' ) !== false ) {
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$func = explode( '::', $this->func_name, 2 );
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} else {
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$func = $this->func_name;
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}
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try {
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$result = call_user_func_array($func, $this->args);
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if ( $result === false || $result === NULL ) {
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wfHttpError( 500, 'Internal Error',
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"{$this->func_name} returned no data" );
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}
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else {
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if ( is_string( $result ) ) {
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$result= new AjaxResponse( $result );
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}
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$result->sendHeaders();
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$result->printText();
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}
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} catch (Exception $e) {
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if (!headers_sent()) {
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wfHttpError( 500, 'Internal Error',
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$e->getMessage() );
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} else {
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print $e->getMessage();
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}
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}
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}
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wfProfileOut( __METHOD__ );
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$wgOut = null;
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}
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}
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