mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
160 lines
4 KiB
PHP
160 lines
4 KiB
PHP
<?php
|
|
/**
|
|
* Handle ajax requests and send them to the proper handler.
|
|
*
|
|
* 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
|
|
* @ingroup Ajax
|
|
*/
|
|
|
|
/**
|
|
* @defgroup Ajax Ajax
|
|
*/
|
|
|
|
/**
|
|
* Object-Oriented Ajax functions.
|
|
* @ingroup Ajax
|
|
*/
|
|
class AjaxDispatcher {
|
|
/**
|
|
* The way the request was made, either a 'get' or a 'post'
|
|
* @var string $mode
|
|
*/
|
|
private $mode;
|
|
|
|
/**
|
|
* Name of the requested handler
|
|
* @var string $func_name
|
|
*/
|
|
private $func_name;
|
|
|
|
/** Arguments passed
|
|
* @var array $args
|
|
*/
|
|
private $args;
|
|
|
|
/**
|
|
* Load up our object with user supplied data
|
|
*/
|
|
function __construct() {
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
$this->mode = "";
|
|
|
|
if ( ! empty( $_GET["rs"] ) ) {
|
|
$this->mode = "get";
|
|
}
|
|
|
|
if ( !empty( $_POST["rs"] ) ) {
|
|
$this->mode = "post";
|
|
}
|
|
|
|
switch ( $this->mode ) {
|
|
case 'get':
|
|
$this->func_name = isset( $_GET["rs"] ) ? $_GET["rs"] : '';
|
|
if ( ! empty( $_GET["rsargs"] ) ) {
|
|
$this->args = $_GET["rsargs"];
|
|
} else {
|
|
$this->args = array();
|
|
}
|
|
break;
|
|
case 'post':
|
|
$this->func_name = isset( $_POST["rs"] ) ? $_POST["rs"] : '';
|
|
if ( ! empty( $_POST["rsargs"] ) ) {
|
|
$this->args = $_POST["rsargs"];
|
|
} else {
|
|
$this->args = array();
|
|
}
|
|
break;
|
|
default:
|
|
wfProfileOut( __METHOD__ );
|
|
return;
|
|
# Or we could throw an exception:
|
|
# throw new MWException( __METHOD__ . ' called without any data (mode empty).' );
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Pass the request to our internal function.
|
|
* BEWARE! Data are passed as they have been supplied by the user,
|
|
* they should be carefully handled in the function processing the
|
|
* request.
|
|
*/
|
|
function performAction() {
|
|
global $wgAjaxExportList, $wgUser;
|
|
|
|
if ( empty( $this->mode ) ) {
|
|
return;
|
|
}
|
|
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
if ( ! in_array( $this->func_name, $wgAjaxExportList ) ) {
|
|
wfDebug( __METHOD__ . ' Bad Request for unknown function ' . $this->func_name . "\n" );
|
|
|
|
wfHttpError(
|
|
400,
|
|
'Bad Request',
|
|
"unknown function " . $this->func_name
|
|
);
|
|
} elseif ( !User::isEveryoneAllowed( 'read' ) && !$wgUser->isAllowed( 'read' ) ) {
|
|
wfHttpError(
|
|
403,
|
|
'Forbidden',
|
|
'You are not allowed to view pages.' );
|
|
} else {
|
|
wfDebug( __METHOD__ . ' dispatching ' . $this->func_name . "\n" );
|
|
|
|
try {
|
|
$result = call_user_func_array( $this->func_name, $this->args );
|
|
|
|
if ( $result === false || $result === null ) {
|
|
wfDebug( __METHOD__ . ' ERROR while dispatching '
|
|
. $this->func_name . "(" . var_export( $this->args, true ) . "): "
|
|
. "no data returned\n" );
|
|
|
|
wfHttpError( 500, 'Internal Error',
|
|
"{$this->func_name} returned no data" );
|
|
} else {
|
|
if ( is_string( $result ) ) {
|
|
$result = new AjaxResponse( $result );
|
|
}
|
|
|
|
$result->sendHeaders();
|
|
$result->printText();
|
|
|
|
wfDebug( __METHOD__ . ' dispatch complete for ' . $this->func_name . "\n" );
|
|
}
|
|
} catch ( Exception $e ) {
|
|
wfDebug( __METHOD__ . ' ERROR while dispatching '
|
|
. $this->func_name . "(" . var_export( $this->args, true ) . "): "
|
|
. get_class( $e ) . ": " . $e->getMessage() . "\n" );
|
|
|
|
if ( !headers_sent() ) {
|
|
wfHttpError( 500, 'Internal Error',
|
|
$e->getMessage() );
|
|
} else {
|
|
print $e->getMessage();
|
|
}
|
|
}
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ );
|
|
}
|
|
}
|