User:Js/urldecoder.js
< User:Js
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 | This user script seems to have a documentation page at User:Js/urldecoder. |
/*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,
'/media/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 = $('<img class=mw-toolbar-custombutton id="' + bId + '">')
.attr({ src: bIcon, title: bTitle, alt: bTitle.substr(0,3) })
.css({ height:'20px', 'background-color':'#bce', border:'1px outset #bce', margin:'0 1px', cursor:'pointer'})
.click(bFunc)
.appendTo('#toolbar')
if( bKey ){
btn.attr({ accesskey: bKey, title: bTitle + ' ['+bKey+']' })
.updateTooltipAccessKeys();
}
}
/**/
function urlDecoderRun(){ //main function
//WMF domains mess
//2nd-lvl domains; secure link: .../wikipedia/mediawiki, .../wikipedia/foundation
var wmDomain = {
mediawiki: 'mw',
wikimediafoundation: 'foundation' }
//2nd-lvl domains with multiple languages; secure link: wikinews/en
var wmDomainM = {
wikipedia:'w',
wikibooks:'b',
wikinews:'n',
wikiquote:'q',
wikisource:'s',
wikiversity:'v',
wiktionary:'wikt'}
//3rd-lvl domains on .wikimedia.org; however secure link is wikipedia/*
var wmSubDomains = /^(meta|commons|incubator|species|strategy)$/
//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 -> [[link|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) )
}
}