mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-15 10:35:48 +00:00
fae8aece16
Once we determined a link is internal from the first regex, we don't to check if it matches the wgScript path as well. This would cause "/index.php/Article" style paths to be detected as external as they failed this second check. Change-Id: I560d8080c513c523c68f2750be332e9fd91de192
376 lines
13 KiB
JavaScript
376 lines
13 KiB
JavaScript
/*!
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* Parsoid utilities.
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*
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* @copyright 2011-2020 VisualEditor Team and others; see http://ve.mit-license.org
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*/
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mw.libs.ve = mw.libs.ve || {};
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/**
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* Resolve a URL relative to a given base.
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*
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* Copied from ve.resolveUrl
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*
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* @param {string} url URL to resolve
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* @param {HTMLDocument} base Document whose base URL to use
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* @return {string} Resolved URL
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*/
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mw.libs.ve.resolveUrl = function ( url, base ) {
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var node = base.createElement( 'a' );
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node.setAttribute( 'href', url );
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// If doc.baseURI isn't set, node.href will be an empty string
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// This is crazy, returning the original URL is better
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return node.href || url;
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};
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/**
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* Decode a URI component into a mediawiki article title
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*
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* N.B. Illegal article titles can result from fairly reasonable input (e.g. "100%25beef");
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* see https://phabricator.wikimedia.org/T137847 .
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*
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* @param {string} s String to decode
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* @param {boolean} [preserveUnderscores=false] Don't convert underscores to spaces
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* @return {string} Decoded string, or original string if decodeURIComponent failed
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*/
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mw.libs.ve.decodeURIComponentIntoArticleTitle = function ( s, preserveUnderscores ) {
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try {
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s = decodeURIComponent( s );
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} catch ( e ) {
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return s;
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}
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if ( preserveUnderscores ) {
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return s;
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}
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return s.replace( /_/g, ' ' );
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};
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/**
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* Unwrap Parsoid sections
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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* @param {string} [keepSection] Section to keep
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*/
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mw.libs.ve.unwrapParsoidSections = function ( element, keepSection ) {
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Array.prototype.forEach.call( element.querySelectorAll( 'section[data-mw-section-id]' ), function ( section ) {
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var parent = section.parentNode,
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sectionId = section.getAttribute( 'data-mw-section-id' );
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// Copy section ID to first child (should be a heading)
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// Pseudo-sections (with negative section IDs) may not have a heading
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if ( sectionId !== null && +sectionId > 0 ) {
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section.firstChild.setAttribute( 'data-mw-section-id', sectionId );
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}
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if ( keepSection !== undefined && sectionId === keepSection ) {
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return;
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}
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while ( section.firstChild ) {
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parent.insertBefore( section.firstChild, section );
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}
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parent.removeChild( section );
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} );
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};
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/**
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* Strip legacy (non-HTML5) IDs; typically found as section IDs inside
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* headings.
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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*/
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mw.libs.ve.stripParsoidFallbackIds = function ( element ) {
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Array.prototype.forEach.call( element.querySelectorAll( 'span[typeof="mw:FallbackId"][id]:empty' ), function ( legacySpan ) {
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legacySpan.parentNode.removeChild( legacySpan );
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} );
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};
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mw.libs.ve.restbaseIdRegExp = /^mw[a-zA-Z0-9\-_]{2,6}$/;
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mw.libs.ve.stripRestbaseIds = function ( doc ) {
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var restbaseIdRegExp = mw.libs.ve.restbaseIdRegExp;
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Array.prototype.forEach.call( doc.querySelectorAll( '[id^="mw"]' ), function ( element ) {
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if ( element.id.match( restbaseIdRegExp ) ) {
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element.removeAttribute( 'id' );
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}
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} );
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};
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/**
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* Re-duplicate deduplicated TemplateStyles, for correct rendering when editing a section or
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* when templates are removed during the edit.
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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*/
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mw.libs.ve.reduplicateStyles = function ( element ) {
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Array.prototype.forEach.call( element.querySelectorAll( 'link[rel="mw-deduplicated-inline-style"]' ), function ( link ) {
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var href = link.getAttribute( 'href' );
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if ( !href || href.slice( 0, 'mw-data:'.length ) !== 'mw-data:' ) {
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return;
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}
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var key = href.slice( 'mw-data:'.length );
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var style = element.querySelector( 'style[data-mw-deduplicate="' + key + '"]' );
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if ( !style ) {
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return;
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}
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var newStyle = link.ownerDocument.createElement( 'style' );
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newStyle.setAttribute( 'data-mw-deduplicate', key );
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// Copy content from the old `style` node (for rendering)
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for ( var i = 0; i < style.childNodes.length; i++ ) {
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newStyle.appendChild( style.childNodes[ i ].cloneNode( true ) );
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}
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// Copy attributes from the old `link` node (for selser)
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Array.prototype.forEach.call( link.attributes, function ( attr ) {
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if ( attr.name !== 'rel' && attr.name !== 'href' ) {
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newStyle.setAttribute( attr.name, attr.value );
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}
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} );
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link.parentNode.replaceChild( newStyle, link );
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} );
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Array.prototype.forEach.call( element.querySelectorAll( 'style[data-mw-deduplicate]:empty' ), function ( style ) {
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var key = style.getAttribute( 'data-mw-deduplicate' );
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var firstStyle = element.querySelector( 'style[data-mw-deduplicate="' + key + '"]' );
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if ( !firstStyle || firstStyle === style ) {
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return;
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}
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// Copy content from the first matching `style` node (for rendering)
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for ( var i = 0; i < firstStyle.childNodes.length; i++ ) {
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style.appendChild( firstStyle.childNodes[ i ].cloneNode( true ) );
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}
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} );
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};
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/**
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* De-duplicate TemplateStyles, like Parsoid does.
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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*/
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mw.libs.ve.deduplicateStyles = function ( element ) {
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/**
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* Check whether `node` is in a fosterable position. (Nodes in these positions may be moved
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* elsewhere in the DOM by the HTML5 parsing algorithm, if they don't have the right tag name.)
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* https://html.spec.whatwg.org/#appropriate-place-for-inserting-a-node
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*
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* @private
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* @param {Node|null} node
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* @return {boolean}
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*/
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function isFosterablePosition( node ) {
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var fosterablePositions = [ 'table', 'thead', 'tbody', 'tfoot', 'tr' ];
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return node && fosterablePositions.indexOf( node.parentNode.nodeName.toLowerCase() ) !== -1;
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}
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var styleTagKeys = {};
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Array.prototype.forEach.call( element.querySelectorAll( 'style[data-mw-deduplicate]' ), function ( style ) {
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var key = style.getAttribute( 'data-mw-deduplicate' );
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if ( !styleTagKeys[ key ] ) {
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// Not a dupe
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styleTagKeys[ key ] = true;
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return;
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}
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if ( !isFosterablePosition( style ) ) {
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// Dupe - replace with a placeholder <link> reference
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var link = style.ownerDocument.createElement( 'link' );
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link.setAttribute( 'rel', 'mw-deduplicated-inline-style' );
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link.setAttribute( 'href', 'mw-data:' + key );
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// Copy attributes from the old `link` node (for selser)
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Array.prototype.forEach.call( style.attributes, function ( attr ) {
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if ( attr.name !== 'rel' && attr.name !== 'data-mw-deduplicate' ) {
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link.setAttribute( attr.name, attr.value );
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}
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} );
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style.parentNode.replaceChild( link, style );
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} else {
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// Duplicate style tag found in fosterable position.
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// Not deduping it (to avoid corruption when the resulting HTML is parsed: T299767),
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// but emptying out the style tag for consistency with Parsoid.
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// Parsoid says it does this for performance reasons.
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style.innerHTML = '';
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}
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} );
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};
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/**
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* Fix fragment links which should be relative to the current document
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*
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* This prevents these links from trying to navigate to another page,
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* or open in a new window.
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*
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* Call this after ve.targetLinksToNewWindow, as it removes the target attribute.
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* Call this after LinkCache.styleParsoidElements, as it breaks that method by including the query string.
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*
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* @param {HTMLElement} container Parent element, e.g. document body
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* @param {mw.Title} docTitle Current title, only links to this title will be normalized
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* @param {string} [prefix] Prefix to add to fragment and target ID to avoid collisions
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*/
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mw.libs.ve.fixFragmentLinks = function ( container, docTitle, prefix ) {
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var docTitleText = docTitle.getPrefixedText();
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prefix = prefix || '';
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Array.prototype.forEach.call( container.querySelectorAll( 'a[href*="#"]' ), function ( el ) {
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var fragment = new mw.Uri( el.href ).fragment,
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targetData = mw.libs.ve.getTargetDataFromHref( el.href, el.ownerDocument );
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if ( targetData.isInternal ) {
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var title = mw.Title.newFromText( targetData.title );
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if ( title && title.getPrefixedText() === docTitleText ) {
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if ( !fragment ) {
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// Special case for empty fragment, even if prefix set
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el.setAttribute( 'href', '#' );
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} else {
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if ( prefix ) {
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var target = container.querySelector( '#' + $.escapeSelector( fragment ) );
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// There may be multiple links to a specific target, so check the target
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// hasn't already been fixed (in which case it would be null)
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if ( target ) {
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target.setAttribute( 'id', prefix + fragment );
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target.setAttribute( 'data-mw-id-fixed', '' );
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}
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}
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el.setAttribute( 'href', '#' + prefix + fragment );
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}
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el.removeAttribute( 'target' );
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}
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}
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} );
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// Remove any section heading anchors which weren't fixed above (T218492)
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Array.prototype.forEach.call( container.querySelectorAll( 'h1, h2, h3, h4, h5, h6' ), function ( el ) {
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if ( el.hasAttribute( 'id' ) && !el.hasAttribute( 'data-mw-id-fixed' ) ) {
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el.removeAttribute( 'id' );
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}
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} );
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};
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/**
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* Parse URL to get title it points to.
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*
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* @param {string} href
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* @param {HTMLDocument|string} doc Document whose base URL to use, or base URL as a string.
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* @return {Object} Information about the given href
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* @return {string} return.title
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* The title of the internal link, else the original href if href is external
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* @return {string} return.rawTitle
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* The title without URL decoding and underscore normalization applied
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* @return {boolean} return.isInternal
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* True if the href pointed to the local wiki, false if href is external
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*/
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mw.libs.ve.getTargetDataFromHref = function ( href, doc ) {
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function regexEscape( str ) {
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return str.replace( /([.?*+^$[\]\\(){}|-])/g, '\\$1' );
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}
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// Protocol relative href
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var relativeHref = href.replace( /^https?:/i, '' );
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// Paths without a host portion are assumed to be internal
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var isInternal = !/^\/\//.test( relativeHref );
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// Check if this matches the server's article path
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// Protocol relative base
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var relativeBase = mw.libs.ve.resolveUrl( mw.config.get( 'wgArticlePath' ), doc ).replace( /^https?:/i, '' );
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var relativeBaseRegex = new RegExp( regexEscape( relativeBase ).replace( regexEscape( '$1' ), '(.*)' ) );
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var matches = relativeHref.match( relativeBaseRegex );
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if ( matches && matches[ 1 ].split( '#' )[ 0 ].indexOf( '?' ) === -1 ) {
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// Take the relative path
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href = matches[ 1 ];
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isInternal = true;
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} else {
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// Check if this matches the server's script path (as used by red links)
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relativeBase = mw.libs.ve.resolveUrl( mw.config.get( 'wgScript' ), doc ).replace( /^https?:/i, '' );
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if ( relativeHref.indexOf( relativeBase ) === 0 ) {
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var uri = new mw.Uri( relativeHref );
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if ( Object.keys( uri.query ).length === 1 && uri.query.title ) {
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href = uri.query.title;
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isInternal = true;
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} else if ( Object.keys( uri.query ).length === 3 && uri.query.title && uri.query.action === 'edit' && uri.query.redlink === '1' ) {
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href = uri.query.title;
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isInternal = true;
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} else {
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href = relativeHref;
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isInternal = false;
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}
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}
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}
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// This href doesn't necessarily come from Parsoid (and it might not have the "./" prefix), but
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// this method will work fine.
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var data = mw.libs.ve.parseParsoidResourceName( href );
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data.isInternal = isInternal;
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return data;
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};
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/**
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* Expand a string of the form jquery.foo,bar|jquery.ui.baz,quux to
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* an array of module names like [ 'jquery.foo', 'jquery.bar',
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* 'jquery.ui.baz', 'jquery.ui.quux' ]
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*
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* Implementation of ResourceLoaderContext::expandModuleNames
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* TODO: Consider upstreaming this to MW core.
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*
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* @param {string} moduleNames Packed module name list
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* @return {string[]} Array of module names
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*/
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mw.libs.ve.expandModuleNames = function ( moduleNames ) {
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var modules = [];
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moduleNames.split( '|' ).forEach( function ( group ) {
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if ( group.indexOf( ',' ) === -1 ) {
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// This is not a set of modules in foo.bar,baz notation
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// but a single module
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modules.push( group );
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} else {
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// This is a set of modules in foo.bar,baz notation
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var matches = group.match( /(.*)\.([^.]*)/ );
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if ( !matches ) {
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// Prefixless modules, i.e. without dots
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modules = modules.concat( group.split( ',' ) );
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} else {
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// We have a prefix and a bunch of suffixes
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var prefix = matches[ 1 ];
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var suffixes = matches[ 2 ].split( ',' ); // [ 'bar', 'baz' ]
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suffixes.forEach( function ( suffix ) {
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modules.push( prefix + '.' + suffix );
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} );
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}
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}
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} );
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return modules;
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};
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/**
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* Split Parsoid resource name into the href prefix and the page title.
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*
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* @param {string} resourceName Resource name, from a `href` or `resource` attribute
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* @return {Object} Object with the following properties:
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* @return {string} return.title Full page title in text form (with namespace, and spaces instead of underscores)
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* @return {string} return.rawTitle The title without URL decoding and underscore normalization applied
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*/
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mw.libs.ve.parseParsoidResourceName = function ( resourceName ) {
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// Resource names are always prefixed with './' to prevent the MediaWiki namespace from being
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// interpreted as a URL protocol, consider e.g. 'href="./File:Foo.png"'.
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// (We accept input without the prefix, so this can also take plain page titles.)
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var matches = resourceName.match( /^(\.\/|)(.*)$/ );
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return {
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// '%' and '?' are valid in page titles, but normally URI-encoded. This also changes underscores
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// to spaces.
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title: mw.libs.ve.decodeURIComponentIntoArticleTitle( matches[ 2 ] ),
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rawTitle: matches[ 2 ]
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};
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};
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/**
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* Extract the page title from a Parsoid resource name.
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*
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* @param {string} resourceName Resource name, from a `href` or `resource` attribute
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* @return {string} Full page title in text form (with namespace, and spaces instead of underscores)
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*/
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mw.libs.ve.normalizeParsoidResourceName = function ( resourceName ) {
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return mw.libs.ve.parseParsoidResourceName( resourceName ).title;
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};
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