User:Js/urldecoder.js

/*jshint strict: false, asi: true, eqeqeq: false, curly: false, laxbreak:true, forin:false, boss:true, funcscope:true, noempty: false */ /*global mw, $, urlDecoderCustom, urlDecoderPrefixes, urlDecoderEngNames */ var btn = newToolbarBtn; function addUrlDecoderButton{ btn(		'urlDecoder', 		urlDecoderRun, 		'//upload.wikimedia.org/wikipedia/commons/9/91/Link_go.png', 		'Decode URL before cursor or all URLs in selected text', 		window.urlDecoderKey	); }

mw.loader.using( [ 'user.options', 'jquery.textSelection', 'mediawiki.util' ], function {	/* Check if view is in edit mode and that the required modules are available. Then, customize the toolbar . . . */	if ( $.inArray( mw.config.get( 'wgAction' ), [ 'edit', 'submit' ] ) !== -1 ) {		$( function  { if ( mw.user.options.get('usebetatoolbar') ) { mw.loader.using( 'ext.wikiEditor', addUrlDecoderButton ); } else { btn = oldToolbarBtn; addUrlDecoderButton; }		} );	}	// Add the customizations to LiquidThreads' edit toolbar, if available	mw.hook( 'ext.lqt.textareaCreated' ).add( addUrlDecoderButton ); } ); function newToolbarBtn(bId, bFunc, bIcon, bTitle){ var msg = {}; msg[bId] = bTitle; mw.messages.set(msg) // mw.usability.addMessages(msg) doesn't work $('#wpTextbox1').wikiEditor('addToToolbar', {  section:'main', group:'insert', tools: {    bId:{     type: 'button',     action: {type:'callback', execute: bFunc},     labelMsg: bId,     icon: bIcon  }}})

} function oldToolbarBtn(bId, bFunc, bIcon, bTitle, bKey){

var btn = $('') .attr({ src: bIcon, title: bTitle,  alt: bTitle.substr(0,3) }) .css({ height:'20px', 'background-color':'#bce', border:'1px outset #bce', margin:'0 1px', cursor:'pointer'}) .click(bFunc) .appendTo('#toolbar') if( bKey ){ btn.attr({ accesskey: bKey, title: bTitle + ' ['+bKey+']' }) .updateTooltipAccessKeys; } } /**/

function urlDecoderRun{ //main function

//WMF domains mess //2nd-lvl domains; secure link:    .../wikipedia/mediawiki, .../wikipedia/foundation var wmDomain = { mediawiki: 'mw', wikimediafoundation: 'foundation' } //2nd-lvl domains with multiple languages; secure link:  wikinews/en var wmDomainM = { wikipedia:'w', wikibooks:'b', wikinews:'n', wikiquote:'q', wikisource:'s', wikiversity:'v', wiktionary:'wikt'} //3rd-lvl domains on .wikimedia.org; however secure link is wikipedia/* var wmSubDomains = /^(meta|commons|incubator|species|strategy)$/ //Exceptions: // https:/.../wikipedia/sources/wiki/Main_Page  - not recognized by script

var httpRegExp = '((?:https?:)?\\/\\/[^\\]\\[\\n\\r<>" ]+)' // any chars except []<>" and \n and spaces var localPrefix = WMPrefixes( mw.config.get( 'wgServer' ).replace(/^\/\//,'http://') + mw.config.get( 'wgScript' ) ) var oldText, newText, isBeforeCursor, colonNS

var tbox = $('#wpTextbox1').focus oldText = tbox.textSelection( 'getSelection' ) var rx

if( oldText ){ //there was selection

rx = RegExp('(\\[{0,2})' + httpRegExp + '([^\\]\\[\\n\\r]*?\\]\\]?)?', 'ig') newText = oldText.replace(rx, simplifyMatched)

if( window.urlDecoderIntLinks ){ var ut = '(' + mw.config.get( 'wgFormattedNamespaces' )[3].replace(/ /g,'_') + '|user_talk)' //both localized and canonical 'user_talk' ut = RegExp ('\\[\\[' + ut.toLowerCase + ':[^#]+$', 'i') newText = newText.replace(/\[\[[^\]\|\n]+/g, function(lnk){     return ut.test(lnk) ? lnk : decodeAnchor(lnk) // skip user_talk, usually found in signatures   }) }

if( newText == oldText) return

}else{ //process text before cursor

isBeforeCursor = true

//move back enough characters var caretPos = tbox.textSelection('getCaretPosition') var beginPos = caretPos - 2000 if( beginPos < 0 ) beginPos = 0 tbox.textSelection( 'setSelection', {start:beginPos, end:caretPos} ) oldText = tbox.textSelection( 'getSelection' ) tbox.textSelection( 'setSelection', {start:caretPos, end:caretPos} )

//try to find http in oldText rx = new RegExp('(\\[{0,2})'+httpRegExp+'( +[^\\]\n]+)?\\]{0,2}$', 'i') var ma = rx.exec( oldText ) // result: (whole string)' '[', 'http:...', ' name]' if( !ma ) return oldText = ma[0] if( ma[3] ) //link with name: automatically add brackets newText = simplifyMatched(ma[0], '[', ma[2], ma[3]+']') else //just url: add closing bracket only if there is leading bracket newText = simplifyMatched(ma[0], ma[1], ma[2], ma[1]?']':'')

if( oldText == newText ) return tbox.textSelection( 'setSelection', {start: caretPos - oldText.length, end: caretPos} )

}

//replace text tbox.textSelection( 'encapsulateSelection', {replace:true, peri:newText} )

//end of main code return

//---FUNCTIONS

function simplifyMatched(str, bracket, url, rest){//arguments: (whole string), '[', url, ' name]'

if( !bracket ){//no brackets, just url var trail = RegExp(    '['      + ',;\\\\.:!\\?' //trailing punctuation, per Parser.php      + ( /\(/.test(url) ?  : '\\)' ) //also closing bracket without opening bracket      + ']+$'      + "|+$" //or possible bold/italic at the end of url    ) .exec( url ) if( trail ){ url = url.substring( 0, url.length - trail[0].length ) //move these out of url }  return decodeUrl(url) + str.substring(url.length)

}else if( rest ){ //both brackets and possibly name return decodeUrl(url, rest.replace(/\]+$|^ +| +$/g,'')) //trim ending brackets and spaces in 'name]'

}else{ return str //probably broken wikicode in selected text } }

function decodeUrl(url, name){ //url -> %-decoded -> name (if possible); name is optional

var decodingFailed //need to skip some strange percent-encoded URIs

//percent-decoding if( url.indexOf('%') != -1 ) try { url = decodeURI(url) url = url.replace(/%(3B|2F|2C|3A)/g, decodeURIComponent) //decode ;/,: url = url.replace(/[ <>"\[\]|]/g, encodeURIComponent) //" some disallowed chars, and pipe can screw template params } catch(e){ decodingFailed = true }

if( isBeforeCursor ) //user-defined conversion to eng keywords for( var n in window.urlDecoderEngNames ) url = url.replace(RegExp('(title=|wiki\/)('+urlDecoderEngNames[n]+':)'), '$1' + n + ':')

//try converting to internal link if( !decodingFailed && !/(\}\}|\|)$/.test(url) ) //trailing | or }} could mean a part of a template, skip to be safe var link = toWikilink(url)

//user-defined function if( window.urlDecoderCustom ){ url = urlDecoderCustom(url) if( ! /^((?:https?:)?\/\/|\{\{)/.test(url) ) link = url //was converted to internal link }

//return internal link if( link ){ link = link.replace(/%(3f|26|22)/ig, decodeURIComponent) //decode ?&"   if( ( mw.config.get( 'wgNamespaceNumber' ) === 0 || mw.config.get( 'wgNamespaceNumber' ) === 14 ) && isBeforeCursor )      link = link.replace(/^:/,) //probably user adding interwiki   return '[' + '[' + link + (name?'|'+name:) + ']]' }

//or return external link if( typeof name == 'string' ){ if( isBeforeCursor ) url = url.replace(//g,'%27%27') //techically  should stop URL, but more likely it's part of it  return '[' + url + (name?' '+name:'') + ']' //empty name }else{ return url }

}

function toWikilink(url){ // 'http://xx.wikipedia.org/wiki/YY'  ->   xx:YY

//add bugzilla to user-defined prefixes window.urlDecoderPrefixes = $.extend( window.urlDecoderPrefixes,  { 'https://bugzilla.wikimedia.org/show_bug.cgi?id=' : 'mediazilla' } )

//apply user-defined prefixes for( var key in urlDecoderPrefixes ) if( url.toLowerCase.indexOf(key) != -1 ) return urlDecoderPrefixes[key] + ':' + url.substring( url.indexOf(key) + key.length )

//check if we can convert to internal link with WM prefixes var ma = /^((?:https?:)?\/\/[^\/]+)\/wiki\/([^?]+)$/.exec( url )// 1:'http://domain.org' 2:part after /wiki/ if( !ma ) return null var linkPrefix = WMPrefixes( ma[1] ) if( !linkPrefix) return null

//convert to internal var title = decodeAnchor( ma[2] ) var prefixes = '' if( linkPrefix[0] && (linkPrefix[0] != localPrefix[0]) ) prefixes = linkPrefix[0] if( linkPrefix[1] && (linkPrefix[1] != localPrefix[1]) ) prefixes += ':' + linkPrefix[1] if( prefixes || isColonNeeded(title) ) prefixes += ':' //colon after prefix or leading colon on cat/file link return prefixes + title

}

function decodeAnchor(link){//simplify internal link: replace %20 and _ then decode anchor link = link.replace(/(_|%20)/g, ' ').replace(/^ +| +$/g, '') var parts = link.split('#') if( parts.length != 2 ) return link //no anchor var anchor = parts[1], hidIdx = -1, hidden = [] //decode 4, 3 and 2-byte: http://en.wikipedia.org/wiki/UTF-8 anchor = anchor.replace(/\.F[0-4]\.[89AB][\dA-F]\.[89AB][\dA-F]\.[89AB][\dA-F]/g, deChar) anchor = anchor.replace(/\.E[\dA-F]\.[89AB][\dA-F]\.[89AB][\dA-F]/g, deChar) anchor = anchor.replace(/\.[CD][\dA-F]\.[89AB][\dA-F]/g, deChar) anchor = anchor.replace( //hide IPs /(?:^|[^0-9A-F\.])(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/,  function(s){ hidden[++hidIdx] = s; return '\x01' + hidIdx + '\x02' } ) //decode 1-byte chars: all symbols except -.:_  and []{} prohibited in links anchor = anchor.replace(/\.[2-7][0-9A-F]/g, function(hhh){  var ch = deChar(hhh)   if( '!"#$%&\'*+,/;<=>?@\\^`~'.indexOf(ch) >= 0 ) return ch   else return hhh }) //unhide IPs and return for( var i=hidIdx; i>=0; i-- ) anchor = anchor.replace('\x01'+i+'\x02', hidden[i]) if( anchor.indexOf("") != -1 ) return link //cannot have double  in link else return parts[0] + '#' + anchor

function deChar(ss){ try{ss = decodeURIComponent(ss.replace(/\.([0-9A-F][0-9A-F])/g, '%$1'))} catch(e){} return ss } }

function WMPrefixes(url){ // http: //en.wikipedia.org/wiki/... -> [ 'w', 'en']

var dd = /^(?:https?:)?\/\/([a-z\.]+)\.org/.exec( url.toLowerCase ) if( !dd ) return null dd = dd[1].split('.') //domains, e.g. ['en','wikipedia'] if( dd.length > 2 ) return null //too many subdomains, possibly mobile site XX.m.wikipedia.org/

var lang = , proj = , domain = dd.pop, subdomain = dd.pop if( subdomain == 'www' ) subdomain = ''

if( domain == 'wikimedia' ){ // *.wikimedia.org if( !subdomain ) proj = 'foundation' else if( wmSubDomains.test(subdomain) ) proj = subdomain else return null

}else if( (proj = wmDomain[domain]) && !subdomain ){ // mediawiki.org & wikimediafoundation.org //done: proj is set

}else if( proj = wmDomainM[domain] ){ //multi-lang domains if( !subdomain ); //done: e.g. 'wikisource.org' else if( proj == 'w' && subdomain == 'test' ) proj = 'testwiki' else if( subdomain.length >= 2 ) lang = subdomain else return null

}else return null //unrecognized domain

return [proj, lang]

}

function isColonNeeded(pg){ if( ! /:/.test(pg) ) return false if( ! colonNS ){ //define list of all possible category and file namespaces var list = ['file', 'category'] //canonical aliases var namespaces = mw.config.get( 'wgNamespaceIds' ); for( var name in namespaces ) if( (namespaces[name]==6 || namespaces[name]==14) && $.inArray(name, list) == -1 ) list.push(name) colonNS = RegExp( '^(' + list.join('|') + ') *:', 'i') } return colonNS.test( $.trim(pg) ) } }