Misplaced Pages

Revision as of 09:57, 21 October 2010

/**
 Twinklefluff revert and antivandalism utillity
 */
// If TwinkleConfig aint exist.
if( typeof( TwinkleConfig ) == 'undefined' ) {
	TwinkleConfig = {};
}

/**
 TwinkleConfig.summaryAd (string)
 If ad should be added or not to summary, default ]
 */
if( typeof( TwinkleConfig.summaryAd ) == 'undefined' ) {
	TwinkleConfig.summaryAd = " (])";
}

/**
 TwinkleConfig.revertMaxRevisions (int)
 defines how many revision to query maximum, maximum possible is 50, default is 50
 */
if( typeof( TwinkleConfig.revertMaxRevisions ) == 'undefined' ) {
	TwinkleConfig.revertMaxRevisions = 50;
}

/**
 TwinkleConfig.userTalkPageMode may take arguments:
 'window': open a new window, remember the opened window
 'tab': opens in a new tab, if possible.
 'blank': force open in a new window, even if a such window exist
 */
if( typeof( TwinkleConfig.userTalkPageMode ) == 'undefined' ) {
	TwinkleConfig.userTalkPageMode = 'window';
}

/**
 TwinkleConfig.openTalkPage (array)
 What types of actions that should result in opening of talk page
 */
if( typeof( TwinkleConfig.openTalkPage ) == 'undefined' ) {
	TwinkleConfig.openTalkPage = ;
}

/**
 TwinkleConfig.openTalkPageOnAutoRevert (bool)
 Defines if talk page should be opened when canling revert from contrib page, this because from there, actions may be multiple, and opening talk page not suitable. If set to true, openTalkPage defines then if talk page will be opened.
 */
if( typeof( TwinkleConfig.openTalkPageOnAutoRevert ) == 'undefined' ) {
	TwinkleConfig.openTalkPageOnAutoRevert = false;
}

/**
 TwinkleConfig.markRevertedPagesAsMinor (array)
 What types of actions that should result in marking edit as minor
 */
if( typeof( TwinkleConfig.markRevertedPagesAsMinor ) == 'undefined' ) {
	TwinkleConfig.markRevertedPagesAsMinor = ;
}

/**
 TwinkleConfig.watchRevertedPages (array)
 What types of actions that should result in forced addition to watchlist
 */
if( typeof( TwinkleConfig.watchRevertedPages ) == 'undefined' ) {
	TwinkleConfig.watchRevertedPages = ;
}

/**
 TwinkleConfig.offerReasonOnNormalRevert (boolean)
 If to offer a promt for extra summary reason for normal reverts, default to true
 */
if( typeof( TwinkleConfig.offerReasonOnNormalRevert ) == 'undefined' ) {
	TwinkleConfig.offerReasonOnNormalRevert = true;
}

/**
 TwinkleConfig.showRollbackLinks (array)
 Where Twinkle should show rollback links (diff, others, mine, contribs)
 */
if( typeof( TwinkleConfig.showRollbackLinks ) == 'undefined' ) {
	TwinkleConfig.showRollbackLinks = ;
}

// a list of usernames, usually only bots, that vandalism revert is jumped over, that is
// if vandalism revert was chosen on such username, then it's target in on the revision before.
// This is for handeling quick bots that makes edits seconds after the original edit is made.
// This only affect vandalism rollback, for good faith rollback, it will stop, indicating a bot 
// has no faith, and for normal rollback, it will rollback that edit.
var WHITELIST = [
	'HagermanBot',
	'SineBot',
	'HBC AIV helperbot',
	'HBC AIV helperbot2',
	'HBC AIV helperbot3',
]

twinklefluff = {
	auto: function() {
		if( QueryString.get( 'oldid' ) != wgCurRevisionId ) {
			// not latest revision
			return;
		}

		var ntitle = getElementsByClassName( document.getElementById('bodyContent'), 'td' , 'diff-ntitle' );
		if( ntitle.getElementsByTagName('a').firstChild.nodeValue.indexOf( 'Current revision' ) != 0 ) {
			// not latest revision
			return;
		}

		vandal = ntitle.getElementsByTagName('a').firstChild.nodeValue;

		if( !TwinkleConfig.openTalkPageOnAutoRevert ) {
			TwinkleConfig.openTalkPage = ;
		}

		return twinklefluff.revert( QueryString.get( 'twinklerevert' ), vandal );
	},
	normal: function() {

		var spanTag = function( color, content ) {
			var span = document.createElement( 'span' );
			span.style.color = color;
			span.appendChild( document.createTextNode( content ) );
			return span;
		}

		if( wgNamespaceNumber == -1 && wgCanonicalSpecialPageName == "Contributions" ) {
			//Get the username these contributions are for
			username = document.evaluate( 'substring-after(//div//a/@href, "user=")', document, null, XPathResult.STRING_TYPE, null).stringValue;
			if( TwinkleConfig.showRollbackLinks.indexOf('contribs') != -1 || ( wgUserName != username && TwinkleConfig.showRollbackLinks.indexOf('others') != -1 ) || ( wgUserName == username && TwinkleConfig.showRollbackLinks.indexOf('mine') != -1 ) ) {
				var list = document.evaluate( '//div//ul/li, "(top)")]', document, null,  XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null );
				var vandal = document.evaluate( '//div/a/@title', document, null, XPathResult.STRING_TYPE, null ).stringValue.replace(/^User( talk)?:/ , '').replace("'", "\\'");

				var revNode = document.createElement('strong');
				var revLink = document.createElement('a');
				revLink.appendChild( spanTag( 'Black', ' [' ) );
				revLink.appendChild( spanTag( 'SteelBlue', 'rollback' ) );
				revLink.appendChild( spanTag( 'Black', ']' ) );
				revNode.appendChild(revLink);

				var revVandNode = document.createElement('strong');
				var revVandLink = document.createElement('a');
				revVandLink.appendChild( spanTag( 'Black', ' [' ) );
				revVandLink.appendChild( spanTag( 'Red', 'vandalism' ) );
				revVandLink.appendChild( spanTag( 'Black', ']' ) );
				revVandNode.appendChild(revVandLink);

				for(var i = 0; i < list.snapshotLength; ++i ) {
					var current = list.snapshotItem(i);

					var href = document.evaluate( 'a/@href', current, null, XPathResult.STRING_TYPE, null ).stringValue;
					var tmpNode = revNode.cloneNode( true );
					tmpNode.firstChild.setAttribute( 'href', href + '&' + QueryString.create( { 'twinklerevert': 'norm' } ) );
					current.appendChild( tmpNode );
					var tmpNode = revVandNode.cloneNode( true );
					tmpNode.firstChild.setAttribute( 'href', href + '&' + QueryString.create( { 'twinklerevert': 'vand' } ) );
					current.appendChild( tmpNode );
				}
			}
		} else {
                        
			if( wgCanonicalSpecialPageName == "Special:Undelete" ) {
				//You can't rollback deleted pages!
				return;
			}


			var body = document.getElementById('bodyContent');

			var firstRev = document.evaluate( 'boolean(/div)', body, null, XPathResult.BOOLEAN_TYPE, null ).booleanValue;
			if( firstRev ) {
				// we have first revision here, nothing to do.
				return;
			}

			try {
				var otitle1 = document.getElementById('mw-diff-otitle1'); 
				var ntitle1 = document.getElementById('mw-diff-ntitle1'); 
				if (!otitle1 || !ntitle1) return;
				var otitle = otitle1.parentNode;
				var ntitle = ntitle1.parentNode;
			} catch( e ) {
				// no old, nor new title, nothing to do really, return;
				return;
			}

			var old_rev_url = document.evaluate( '//div//strong/a/@href',  document, null, XPathResult.STRING_TYPE, null ).stringValue;

			// Lets first add a  link
			var query = new QueryString( old_rev_url.split( '?', 2 ) );

			var oldrev = query.get( 'oldid' );

			var revertToRevision = document.createElement('div');
			revertToRevision.setAttribute( 'id', 'tw-revert-to-orevision' );
			revertToRevision.style.fontWeight = 'bold';

			var revertToRevisionLink = revertToRevision.appendChild( document.createElement('a') );
			revertToRevisionLink.href = "javascript:twinklefluff.revertToRevision('" + oldrev + "')";
			revertToRevisionLink.appendChild( spanTag( 'Black', '[' ) );
			revertToRevisionLink.appendChild( spanTag( 'SaddleBrown', 'restore this version' ) );
			revertToRevisionLink.appendChild( spanTag( 'Black', ']' ) );

			otitle.insertBefore( revertToRevision, otitle.firstChild );

			if( document.getElementById('differences-nextlink') ) {
				// Not latest revision
				curVersion = false;

				var new_rev_url = document.evaluate( '//div//strong/a/@href',  document, null, XPathResult.STRING_TYPE, null ).stringValue;
				var query = new QueryString( new_rev_url.split( '?', 2 ) );
				var newrev = query.get( 'oldid' );
				var revertToRevision = document.createElement('div');
				revertToRevision.setAttribute( 'id', 'tw-revert-to-nrevision' );
				revertToRevision.style.fontWeight = 'bold';
				var revertToRevisionLink = revertToRevision.appendChild( document.createElement('a') );
				revertToRevisionLink.href = "javascript:twinklefluff.revertToRevision('" + newrev + "')";
				revertToRevisionLink.appendChild( spanTag( 'Black', '[' ) );
				revertToRevisionLink.appendChild( spanTag( 'SaddleBrown', 'restore this version' ) );
				revertToRevisionLink.appendChild( spanTag( 'Black', ']' ) );
				ntitle.insertBefore( revertToRevision, ntitle.firstChild );

				return;
			}
			if( TwinkleConfig.showRollbackLinks.indexOf('diff') != -1 ) {
				vandal = document.evaluate( 'a', document.getElementById('mw-diff-ntitle2') , null, XPathResult.STRING_TYPE, null ).stringValue.replace("'", "\\'");

				var revertNode = document.createElement('div');
				revertNode.setAttribute( 'id', 'tw-revert' );

				var agfNode = document.createElement('strong');
				var vandNode = document.createElement('strong');
				var normNode = document.createElement('strong');

				var agfLink = document.createElement('a');
				var vandLink = document.createElement('a');
				var normLink = document.createElement('a');

				agfLink.href = "javascript:twinklefluff.revert('agf' , '" + vandal + "')"; 
				vandLink.href = "javascript:twinklefluff.revert('vand' , '" + vandal + "')"; 
				normLink.href = "javascript:twinklefluff.revert('norm' , '" + vandal + "')"; 

				agfLink.appendChild( spanTag( 'Black', '[' ) );
				agfLink.appendChild( spanTag( 'DarkOliveGreen', 'rollback (AGF)' ) );
				agfLink.appendChild( spanTag( 'Black', ']' ) );

				vandLink.appendChild( spanTag( 'Black', '[' ) );
				vandLink.appendChild( spanTag( 'Red', 'rollback (VANDAL)' ) );
				vandLink.appendChild( spanTag( 'Black', ']' ) );

				normLink.appendChild( spanTag( 'Black', '[' ) );
				normLink.appendChild( spanTag( 'SteelBlue', 'rollback' ) );
				normLink.appendChild( spanTag( 'Black', ']' ) );

				agfNode.appendChild(agfLink);
				vandNode.appendChild(vandLink);
				normNode.appendChild(normLink);

				revertNode.appendChild( agfNode );
				revertNode.appendChild( document.createTextNode(' || ') );
				revertNode.appendChild( normNode );
				revertNode.appendChild( document.createTextNode(' || ') );
				revertNode.appendChild( vandNode );

				ntitle.insertBefore( revertNode, ntitle.firstChild );
			}
		}
	}
}

twinklefluff.revert = function revertPage( type, vandal, rev, page ) {

	wgPageName = page || wgPageName;
	wgCurRevisionId = rev || wgCurRevisionId;

	Status.init( document.getElementById('bodyContent') );
	var params = {
		type: type,
		user: vandal
	}
	var query = {
		'action': 'query',
		'prop': 'revisions',
		'titles': wgPageName,
		'rvlimit': 50, // max possible
		'rvprop': 
	}
	var wikipedia_api = new Misplaced Pages.api( 'Grabbing data of earlier revisions', query, twinklefluff.callbacks.main );
	wikipedia_api.params = params;
	wikipedia_api.post();
}

twinklefluff.revertToRevision = function revertToRevision( oldrev ) {

	Status.init( document.getElementById('bodyContent') );

	var query = {
		'action': 'query',
		'prop': 'revisions',
		'titles': wgPageName,
		'rvlimit': 1,
		'rvstartid': oldrev,
		'rvprop': ,
		'format': 'xml'
	}

	var wikipedia_api = new Misplaced Pages.api( 'Grabbing data of the earlier revision', query, twinklefluff.callbacks.toRevision.main );
	wikipedia_api.params = { rev: oldrev };
	wikipedia_api.post();
}

twinklefluff.userIpLink = function( user ) {
	return (isIPAddress(user)?"]";
}

twinklefluff.callbacks = {
	toRevision: {
		main: function( self ) {
			var xmlDoc = self.responseXML;
			self.params.revision = xmlDoc.evaluate('//rev', xmlDoc, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null ).singleNodeValue;
			var query = {
				'title': wgPageName,
				'action': 'submit'
			};
			var wikipedia_wiki = new Misplaced Pages.wiki( 'Reverting page', query, twinklefluff.callbacks.toRevision.reverting );
			wikipedia_wiki.params = self.params;
			wikipedia_wiki.get();

		},
		reverting: function( self ) {
			var form = self.responseXML.getElementById( 'editform' );
			var text = self.params.revision.textContent;

			if( !form ) {
				self.statelem.error( 'couldn\'t grab element "editform", aborting, this could indicate failed response from the server' );
				return;
			}

			var optional_summary = prompt( "Please, if possible, specify a reason for the revert" );
			if (optional_summary == null)
			{
				self.statelem.error( 'Aborted by user.' );
				return;
			}
			var summary = sprintf( "Reverted to revision %d by %s%s.%s", 
				self.params.revision.getAttribute( 'revid' ),
				self.params.revision.getAttribute( 'user' ),
				optional_summary ? "; " + optional_summary : '',
				TwinkleConfig.summaryAd
			);
			var postData = {
			    'oldid': self.params.revision.getAttribute( 'revid' ),
			    'baseRevId': self.params.revision.getAttribute( 'revid' ),
				'wpMinoredit': TwinkleConfig.markRevertedPagesAsMinor.indexOf( 'torev' ) != -1 ? '' : undefined, 
				'wpWatchthis': TwinkleConfig.watchRevertedPages.indexOf( 'torev' ) != -1 ? '' : form.wpWatchthis.checked ? '' : undefined,
				'wpStarttime': form.wpStarttime.value,
				'wpEdittime': form.wpEdittime.value,
				'wpAutoSummary': form.wpAutoSummary.value,
				'wpEditToken': form.wpEditToken.value,
				'wpSection': '',
				'wpSummary': summary,
				'wpTextbox1': text
			};
			Misplaced Pages.actionCompleted.redirect = wgPageName;
			Misplaced Pages.actionCompleted.notice = "Reversion completed"

			self.post( postData );
		}
	},
	main: function( self ) {

		var xmlDoc = self.responseXML;
		var revs = xmlDoc.evaluate( '//rev', xmlDoc, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null );

		if( revs.snapshotLength < 1 ) {
			self.statitem.error( 'We have less than one additional revision, thus impossible to revert' );
			return;
		}
		var top = revs.snapshotItem(0);
		if( top.getAttribute( 'revid' ) < wgCurRevisionId ) {
			Status.error( 'Error',  );
			return;
		}
		var index = 1;
		if( wgCurRevisionId != top.getAttribute('revid') ) {
			Status.warn( 'Warning',  );
			if( top.getAttribute( 'user' ) == self.params.user ) {
				switch( self.params.type ) {
				case 'vand':
					Status.info( 'Info', );
					break;
				case 'agf':
					Status.warn( 'Warning', );
					return;
				default:
					Status.warn( 'Notice',  );
					return;
				}
			}
			else if( 
				self.params.type == 'vand' && 
				WHITELIST.indexOf( top.getAttribute( 'user' ) ) != -1 && revs.snapshotLength > 1 &&
				revs.snapshotItem(1).getAttribute( 'pageId' ) == wgCurRevisionId 
			) {
				Status.info( 'Info',  );
				index = 2;
			} else {
				Status.error( 'Error',  );
				return;
			}

		}

		if( WHITELIST.indexOf( self.params.user ) != -1  ) {
			switch( self.params.type ) {
			case 'vand':
				Status.info( 'Info',  );
				index = 2;
				vandal = revs.snapshotItem(1).getAttribute( 'user' );
				self.params.user = revs.snapshotItem(1).getAttribute( 'user' );
				break;
			case 'agf':
				Status.warn( 'Notice',  );
				return;

				break;
			case 'norm':
			default:
				var cont = confirm( 'Normal revert was chosen, but the top user (' + self.params.user + ') is a whitelisted bot, do you want to revert the revision before instead?' );
				if( cont ) {
					Status.info( 'Info',  );
					index = 2;
					self.params.user = revs.snapshotItem(1).getAttribute( 'user' );
				} else {
					Status.warn( 'Notice',  );
				}
				break;
			}
		}
		var found = false;
		var count = 0;

		for( var i = index; i < revs.snapshotLength; ++i ) {
			++count;
			if( revs.snapshotItem(i).getAttribute( 'user' ) != self.params.user ) {
				found = i;
				break;
			}
		}


		if( ! found ) {
			self.statelem.error(  );
			return;

		}

		if( count == 0 ) {
			Status.error( 'Error', "We were to revert zero revisions. As that makes no sense, we'll stop reverting this time. It could be that the edit already have been reverted, but the revision id was still the same." );
			return;
		}

		var good_revision = revs.snapshotItem( found );

		if( 
			self.params.type != 'vand' && 
			count > 1  && 
			!confirm( self.params.user + ' has done ' + count + ' edits in a row. Are you sure you want to revert them all?' ) 
		) {
			Status.info( 'Notice', 'Stopping reverting per user input' );
			return;
		}

		self.params.count = count;

		self.params.goodid = good_revision.getAttribute( 'revid' );
		self.params.gooduser = good_revision.getAttribute( 'user' );


		self.statelem.status(  );

		var query = {
			'action': 'query',
			'prop': 'revisions',
			'titles': wgPageName,
			'rvlimit': 1,
			'rvprop': 'content',
			'rvstartid': good_revision.getAttribute( 'revid' )
		}

		var wikipedia_api = new Misplaced Pages.api( , query, twinklefluff.callbacks.grabbing );
		wikipedia_api.params = self.params;
		wikipedia_api.post();
	},
	grabbing: function( self ) {

		xmlDoc = self.responseXML;

		self.params.content = xmlDoc.evaluate( '//rev', xmlDoc, null, XPathResult.STRING_TYPE, null ).stringValue;

		var query = {
			'title': wgPageName,
			'action': 'submit'
		};
		var wikipedia_wiki = new Misplaced Pages.wiki( 'Reverting page', query, twinklefluff.callbacks.reverting );
		wikipedia_wiki.params = self.params;
		wikipedia_wiki.get();
	},
	reverting: function( self ) {
		var doc = self.responseXML;

		var form = doc.getElementById( 'editform' );
		if( !form ) {
			self.statelem.error( 'couldn\'t grab element "editform", aborting, this could indicate failed response from the server' );
			return;
		}

		var text = self.params.content;
		if( !text ) {
			self.statelem.error( 'we received no revision, something is wrong, bailing out!' );
			return;
		}

		var summary;

		switch( self.params.type ) {
		case 'agf':
			var extra_summary = prompt( "An optional comment for the edit summary:" );
			if (extra_summary == null)
			{
				self.statelem.error( 'Aborted by user.' );
				return;
			}
			summary = sprintf( "Reverted ] edits by ] (])%s.%s", 
				self.params.user.replace("\\'", "'"), 
				extra_summary ? "; " + extra_summary.toUpperCaseFirstChar() : '',
				TwinkleConfig.summaryAd
			);
			break;
		case 'vand':
			summary = sprintf( "Reverted %d %s by ] (]) identified as ] to last revision by %s.%s", 
				self.params.count, 
				self.params.count > 1 ? 'edits': 'edit',
				self.params.user.replace("\\'", "'"),
				self.params.gooduser.replace("\\'", "'"),
				TwinkleConfig.summaryAd
			);
			break;
		case 'norm':
			if( TwinkleConfig.offerReasonOnNormalRevert ) {
				var extra_summary = prompt( "An optional comment for the edit summary:" );
				if (extra_summary == null)
				{
					self.statelem.error( 'Aborted by user.' );
					return;
				}
			}
			summary = sprintf( "Reverted %d %s by ] (])%s.%s", 
				self.params.count, 
				self.params.count > 1 ? 'edits': 'edit',
				self.params.user.replace("\\'", "'"),
				extra_summary ? "; " + extra_summary.toUpperCaseFirstChar() : '',
				TwinkleConfig.summaryAd 
			);
		}

		if( TwinkleConfig.openTalkPage.indexOf( self.params.type ) != -1 ) {
			Status.info( 'Info',  );
			
			var query = {
				'title': 'User talk:' + self.params.user,
				'action': 'edit',
				'preview': 'yes',
				'vanarticle': wgPageName.replace(/_/g, ' '),
				'vanarticlerevid': wgCurRevisionId,
				'vanarticlegoodrevid': self.params.goodid,
				'type': self.params.type,
				'count': self.params.count
			}

			switch( TwinkleConfig.userTalkPageMode ) {
			case 'tab':
				window.open( wgServer + wgScriptPath + '/index.php?' + QueryString.create( query ), '_tab' );
				break;
			case 'blank':
				window.open( wgServer + wgScriptPath + '/index.php?' + QueryString.create( query ), '_blank', 'location=no,toolbar=no,status=no,directories=no,scrollbars=yes,width=1200,height=800' );
				break;
			case 'window':
			default:
				window.open( wgServer + wgScriptPath + '/index.php?' + QueryString.create( query ), 'twinklewarnwindow', 'location=no,toolbar=no,status=no,directories=no,scrollbars=yes,width=1200,height=800' );
				break;
			}
		}

		var postData = {
		    'oldid': self.params.goodid,
		    'baseRevId': self.params.goodid,
			'wpMinoredit': TwinkleConfig.markRevertedPagesAsMinor.indexOf( self.params.type ) != -1  ? '' : undefined,
			'wpWatchthis': TwinkleConfig.watchRevertedPages.indexOf( self.params.type ) != -1 ? '' : form.wpWatchthis.checked ? '' : undefined,
			'wpStarttime': form.wpStarttime.value,
			'wpEdittime': form.wpEdittime.value,
			'wpAutoSummary': form.wpAutoSummary.value,
			'wpEditToken': form.wpEditToken.value,
			'wpSection': '',
			'wpSummary': summary,
			'wpTextbox1': text
		};

		Misplaced Pages.actionCompleted.redirect = wgPageName;
		Misplaced Pages.actionCompleted.notice = "Reversion completed"

		self.post( postData );
	}
}

addOnloadHook( function() {
	if (window.twinkleConfigExists)
	{
		if( QueryString.exists( 'twinklerevert' ) ) {
			twinklefluff.auto();
		} else {
			twinklefluff.normal();
		}
	}
});