Add the mediawiki.api.titleblacklist module

Removed from mediawiki core in Ia5950853716.

Bug: 38244
Change-Id: I5bf7064ac6a82ed15e0589f255de4ef6c7349c4e

TitleBlacklist.php

@@ -77,4 +77,10 @@ $wgHooks['EditFilter'][] = 'TitleBlacklistHooks::validateBlacklist';
 $wgHooks['ArticleSaveComplete'][] = 'TitleBlacklistHooks::clearBlacklist';
 $wgHooks['UserCreateForm'][] = 'TitleBlacklistHooks::addOverrideCheckbox';
 
+$wgResourceModules['mediawiki.api.titleblacklist'] = array(
+	'scripts' => 'mediawiki.api.titleblacklist.js',
+	'localBasePath' => $dir . '/modules',
+	'remoteExtPath' => 'TitleBlacklist/modules',
+	'dependencies' => array( 'mediawiki.api' ),
+);
 // @}

modules/mediawiki.api.titleblacklist.js

@@ -0,0 +1,67 @@
+/**
+ * @class mw.Api.plugin.titleblacklist
+ */
+( function ( mw, $ ) {
+
+	$.extend( mw.Api.prototype, {
+		/**
+		 * Convinience method for `action=titleblacklist`.
+		 *
+		 * @param {mw.Title|string} title
+		 * @param {Function} [ok] Success callback (deprecated)
+		 * @param {Function} [err] Error callback (deprecated)
+		 * @return {jQuery.Promise}
+		 * @return {Function} return.done
+		 * @return {Object|boolean} return.done.result False if title wasn't blacklisted, an object with 'reason', 'line'
+		 *  and 'message' properties if title was blacklisted.
+		 */
+		isBlacklisted: function ( title, ok, err ) {
+			var d = $.Deferred();
+			// Backwards compatibility (< MW 1.20)
+			d.done( ok );
+			d.fail( err );
+
+			this.get( {
+					action: 'titleblacklist',
+					tbaction: 'create',
+					tbtitle: title.toString()
+				} )
+				.done( function ( data ) {
+					var result;
+
+					// this fails open (if nothing valid is returned by the api, allows the title)
+					// also fails open when the API is not present, which will be most of the time
+					// as this API module is part of the TitleBlacklist extension.
+					if ( data.titleblacklist && data.titleblacklist.result && data.titleblacklist.result === 'blacklisted' ) {
+						if ( data.titleblacklist.reason ) {
+							result = {
+								reason: data.titleblacklist.reason,
+								line: data.titleblacklist.line,
+								message: data.titleblacklist.message
+							};
+						} else {
+							mw.log( 'mw.Api.titleblacklist::isBlacklisted> no reason data for blacklisted title', 'debug' );
+							result = {
+								reason: 'Blacklisted, but no reason supplied',
+								line: 'Unknown',
+								message: null
+							};
+						}
+						d.resolve( result );
+					} else {
+						d.resolve( false );
+					}
+				} )
+				.fail( d.reject );
+
+			return d.promise();
+		}
+
+	} );
+
+	/**
+	 * @class mw.Api
+	 * @mixins mw.Api.plugin.titleblacklist
+	 */
+
+}( mediaWiki, jQuery ) );