function execute( $param ) {
global $wgOut, $wgContLang;
global $wgUser;
# commented out, ignored by FF 3+ anyway
# $wgOut->enableClientCache( false );
if ( !$wgUser->isAllowed( 'edit' ) ) {
$wgOut->permissionRequired('edit');
return;
}
if ( is_string( $this->initUser ) ) {
# not enough priviledges to run this method
$wgOut->addHTML( $this->initUser );
return;
}
if ( !$wgUser->isAnon() ) {
WikiSyncSetup::$remote_wiki_user = $wgUser->getName();
}
WikiSyncSetup::headScripts( $wgOut, $wgContLang->isRTL() );
$wgOut->setPagetitle( wfMsgHtml( 'wikisync' ) );
$this->initPageTpl();
$wgOut->addHTML( "\n" );
$wgOut->addHTML( _QXML::toText( $this->page_tpl, 4 ) );
}
/**
* @param $args array of AJAX arguments call
* @param $min_args minimal number of $args method requires
* @return true on success; false on error
* @modifies self::$json_result, self::$remoteContextJSON, self::$client_params, self::$directionToLocal
*/
static function initClient( $args, $min_args, $client_name ) {
# use default IIS / Apache execution time limit which is much larger than default PHP limit
set_time_limit( 300 );
self::$json_result = new WikiSyncJSONresult();
if ( count( $args ) < $min_args ) {
self::$json_result->setCode( 'init_client', 'Not enough number of parameters in ' . __METHOD__ );
return false;
}
# remote context; used for remote API calls
self::$remoteContextJSON = $args[0];
self::$client_params = FormatJson::decode( $args[1], true );
if ( ($check_result = self::checkClientParameters( $client_name )) !== true ) {
self::$json_result->setCode( 'init_client', $check_result );
return false;
}
if ( !isset( self::$client_params['direction_to_local'] ) ) {
self::$json_result->setCode( 'init_client', 'direction_to_local was not passed for ' . $client_name );
return false;
}
self::$directionToLocal = self::$client_params['direction_to_local'];
if ( is_string( $iu = WikiSyncSetup::initUser( self::$directionToLocal ) ) ) {
# not enough priviledges to run this method
self::$json_result->setCode( 'noaccess', $iu );
return false;
}
return true;
}
/**
* should not be called from LocalSettings.php
* should be called only when the wiki is fully initialized
* @param $direction defines the direction of synchronization
* true - from remote to local wiki
* false - from local to remote wiki
* null - direction is undefined yet (any direction)
* @return true, when the current user has access to synchronization;
* string error message, when the current user has no access
*/
static function initUser( $direction = null ) {
global $wgUser, $wgRequest;
self::$user = is_object( $wgUser ) ? $wgUser : new User();
self::$response = $wgRequest->response();
self::$cookie_prefix = 'WikiSync_' . md5( self::$user->getName() ) . '_';
if ( self::$user->getName() !== self::WIKISYNC_BOT_NAME ) {
return wfMsg( 'wikisync_unsupported_user', self::WIKISYNC_BOT_NAME );
}
if ( $direction === true ) {
return self::checkUserMembership( self::$rtl_access_groups );
} elseif ( $direction === false ) {
return self::checkUserMembership( self::$ltr_access_groups );
} elseif ( $direction === null ) {
$groups = array_merge( self::$rtl_access_groups, self::$ltr_access_groups );
return self::checkUserMembership( $groups );
}
return 'Bug: direction should be boolean or null, value (' . $direction . ') given in ' . __METHOD__;
}
