cuzi / Highlight OCH links

// ==UserScript==
// @name        Highlight OCH links
// @namespace   cuzi
// @license     MIT
// @description Link Checker. Hit escape to check whether one-click hoster links are online or offline.
// @icon        https://greasyfork.org/system/screenshots/screenshots/000/003/868/original/och.png
// @compatible  firefox Greasemonkey
// @compatible  chrome Tampermonkey. Allow all domains on first run.
// @homepageURL https://openuserjs.org/scripts/cuzi/Highlight_OCH_links
// @updateURL   https://openuserjs.org/meta/cuzi/Highlight_OCH_links.meta.js
// @require     https://openuserjs.org/src/libs/cuzi/RequestQueue.js
// @grant       GM_xmlhttpRequest
// @grant       GM.xmlHttpRequest
// @connect     *
// @version     15
// @include     *
// @exclude     *.yahoo.*
// @exclude     *.google.*
// @exclude     *.youtube.*
// @exclude     *.bing.com*
// @exclude     *duckduckgo.com*
// ==/UserScript==

(function() {
"use strict";


// Maximal number of links that are checked (per website)
var MAXREQUESTS = 1000;

// Maximal number of links that are checked in parallel (per website)
var MAXPARALLELCONNECTIONS = 16;

// Maximal number of DOM nodes that are examined. Decrease this number on slow machines.
var MAXTEXTNODES = 10000;

// Maximum download size per link (in KB). If you have activated direct downloads, the script will try to download the whole file instead of checking the link. This limit prevents this.
var MAXDOWNLOADSIZE = 2000; // kilobytes


/*
// Export
var mypatterns = [];
var mynames = [];
var myurls = [];
for(var key in OCH) {
  var o = OCH[key];
  if((""+o.check).length > 30) { // If check function implemented
    mypatterns.push(o.pattern.toString());
    mynames.push("'"+key+"'");
    myurls.push(" - ["+o.title+"]("+o.homepage+")");
  }
}

alert(mypatterns.join(",\n"));
alert(mynames.join(",\n"));
alert(myurls.join("\n"));
*/



var links = []; // [  { hoster: "", url: "", element: DOMNode} , ...   ]
var rq = new RequestQueue(MAXPARALLELCONNECTIONS, MAXREQUESTS);


if(typeof GM == "undefined") {
  var GM = {};
}
if(! "xmlHttpRequest" in GM) {
  GM.xmlHttpRequest = GM_xmlhttpRequest;
}




function OCH_permanentlyoffline(link,cb,thisArg) {
  cb.call(thisArg,link,0); // Offline
}

function OCH_ByFindingString(link,s,cb,thisArg,useURL) {
  // Offline if one of the strings [s] is found in the responseText
  if(typeof s == "string") {
    s = [s];
  }
  rq.add({
    method: "GET",
    url: useURL?useURL:link.url,
    onprogress: function(response) {
      // abort download of big files
      if((Math.max(response.loaded,response.total)/1024) > MAXDOWNLOADSIZE) {
        this.__result.abort();
        cb.call(thisArg,link,1); // Let's assume big files are online
      }
    },
    onload: function (response){
      for(var i = 0; i < s.length; i++) {
        if(response.responseText.indexOf(s[i]) != -1) {
          cb.call(thisArg,link,0); // Offline
          return;
        }
      }
      cb.call(thisArg,link,1); // Online
    }
  });
}
function OCH_ByNotFindingString(link,s,cb,thisArg,useURL) {
  // Offline if none of the strings [s] is found in the responseText
  if(typeof s == "string") {
    s = [s];
  }
  rq.add({
    method: "GET",
    url: useURL?useURL:link.url,
    onprogress: function(response) {
      // abort download of big files
      if((Math.max(response.loaded,response.total)/1024) > MAXDOWNLOADSIZE) {
        this.__result.abort();
        cb.call(thisArg,link,1); // Let's assume big files are online
      }
    },
    onload: function (response){
      for(var i = 0; i < s.length; i++) {
        if(response.responseText.indexOf(s[i]) != -1) {
          cb.call(thisArg,link,1); // Online
          return;
        }
      }
      cb.call(thisArg,link,0); // Offline
    }
  });
}
function OCH_ByMatchingFinalUrl(link,re,cb,thisArg,useURL) {
  // Offline if one of the RegEx [re] matches the finalUrl
  if(!Array.isArray(re)) {
    re = [re];
  }

  rq.add({
    method: "GET",
    url: useURL?useURL:link.url,
    onprogress: function(response) {
      // abort download of big files
      if((Math.max(response.loaded,response.total)/1024) > MAXDOWNLOADSIZE) {
        this.__result.abort();
        cb.call(thisArg,link,1); // Let's assume big files are online
      }
    },
    onload: function (response){
      for(var i = 0; i < re.length; i++) {
        if(re[i].test(response.finalUrl)) {
          // Link is offline
          cb.call(thisArg,link,0);
          return;
        }
      }
      cb.call(thisArg,link,1); // Online
    }
  });
}

var OCH = {

/*

pattern: A single RegExp or an array of RegExp
multi: An array of multihost-services that support this hoster
title: String
homepage: String/URL
check: void check(link, cb, thisArg)
  link : { url: "http://example.com/example.file", [...]  }
  cb : void thisArg.cb(link, result, errorstring)
       link : the original link object
       result: 1 -> online, 0 -> offline, -1 -> error
       errorstring: may contain error details e.g. the request result, only set if result == -1
  thisArg : The value of this provided for the call to cb. 
*/

'180upload' : {
  'pattern' : /^http:\/\/180upload\.com\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: 180upload',
  'homepage' : 'http://180upload.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'1fichier' : {
  'pattern' : [/^https?:\/\/(www\.)?1fichier\.com\/.+$/m, /^https?:\/\/\w+\.1fichier\.com\/?.*$/m],
  'multi' : ['nopremium.pl'],
  'title' : '1fichier',
  'homepage' : 'http://1fichier.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["The requested file could not be found","The requested file has been deleted"], cb, thisArg);
  }
},
'2shared' : {
  'pattern' : /^http:\/\/www\.2shared\.com\/[a-z]+\/\w+\/?(.+\.html)?$/, 
  'multi' : [],
  'title' : '2Shared',
  'homepage' : 'http://www.2shared.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"VGhlIGZpbGUgbGluayB0aGF0IHlvdSByZXF1ZXN0ZWQgaXMgbm90IHZhbGlkLiBQbGVhc2UgY29udGFjdCBsaW5rIHB1Ymxpc2hlciBvciB0cnkgdG8gbWFrZSBhIHNlYXJjaC4=", cb, thisArg);
  }
},
'4shared' : {
  'pattern' : /^http:\/\/www\.4shared\.com\/[a-z]+\/\w+\/?(.+\.html)?$/, 
  'multi' : ['nopremium.pl'],
  'title' : '4shared.com',
  'homepage' : 'http://www.4shared.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,[" is not valid"," is unavailable"," was deleted"], cb, thisArg);
  }
},
'4downfiles' : {
  'pattern' :/^http:\/\/4downfiles\.com\/\w+\.html$/m,
  'multi' : [],
  'title' : '4 Down Files',
  'homepage' : 'http://4downfiles.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'alfafile' : {
  'pattern' : /^https?:\/\/(www\.)?alfafile\.net\/file\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Alfafile',
  'homepage' : 'https://alfafile.net',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"error-box", cb, thisArg);
  },
},
'bayfiles' : {
  'pattern' : /^https?:\/\/(www\.)?bayfiles\.(net|com)\/file\/\w+\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: BayFiles',
  'homepage' : 'http://bayfiles.net/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'bigfile' : {
  'pattern' : /^https?:\/\/(www\.)?bigfile\.to\/file\/.+\/?.*$/m,
  'multi' : [],
  'title' : 'BigFile',
  'homepage' : 'https://www.bigfile.to/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["errorBox", "error-box"], cb, thisArg);
  },
},
'billionuploads' : {
  'pattern' : /^http:\/\/billionuploads\.com\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Billion Uploads',
  'homepage' : 'http://billionuploads.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'bitshare' : {
  'pattern' : /^http:\/\/bitshare\.com\/files\/\w+\/.+\.html$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'BitShare.com',
  'homepage' : 'http://bitshare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["Error - File not available","Fehler - Datei nicht verfügbar"], cb, thisArg);
  },
},
'catshare' : {
  'pattern' : /^https?:\/\/(www\.)?catshare\.net\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'CatShare',
  'homepage' : 'http://catshare.net/',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"Podany plik został usunięty", cb, thisArg);
  },
},
'clicknupload' : {
  'pattern' : /^https?:\/\/(www\.)?clicknupload\.(link|org)\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'ClicknUpload',
  'homepage' : 'https://clicknupload.org',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'cloudyfiles' : { 
  'pattern' : /^https?:\/\/cloudyfiles\.(com|org)\/\w+.*$/m,
  'multi' : [],
  'title' : 'Cloudyfiles.org',
  'homepage' : 'http://cloudyfiles.org/',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'cwtv' : {
  'pattern' : /^https?:\/\/www\.cwtv\.com\/cw-video\/.+$/m,
  'multi' : [],
  'title' : 'CW Television Shows',
  'homepage' : 'http://www.cwtv.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByMatchingFinalUrl(link,/\/cw-video\/$/, cb, thisArg);
  },
},
'dailymotion' : {
  'pattern' : /^https?:\/\/www\.dailymotion\.com\/video\/\w+.*$/m,
  'multi' : [],
  'title' : 'Dailymotion',
  'homepage' : 'http://www.dailymotion.com/',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"You will be redirected to the homepage", cb, thisArg);
  },
},
'dailyuploads' : {
  'pattern' : /^https?:\/\/dailyuploads\.net\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'Daily Uploads',
  'homepage' : 'http://dailyuploads.net/',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'datafile' : {
  'pattern' : /^http:\/\/www\.datafile\.com\/d\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'DataFile.com',
  'homepage' : 'http://www.datafile.com/',
  'check' :function(link,cb,thisArg) {
    OCH_ByFindingString(link,"ErrorCode", cb, thisArg);
  },
},
'depositfiles' : {
  'pattern' : [/^http:\/\/dfiles\.eu\/files\/\w+\/?$/m,/^http:\/\/depositfiles\.com\/files\/\w+\/?$/m],
  'multi' : [],
  'title' : 'DepositFiles',
  'homepage' : 'http://dfiles.eu',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"no_download_message", cb, thisArg);
  },
},
'devilshare' : {
  'pattern' : /^https?:\/\/(www\.)?devilshare\.net\/view.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Devilshare.net',
  'homepage' : 'http://devilshare.net',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'expressleech' : {
  'pattern' : /^https?:\/\/(www\.)?expressleech\.com\/\w+\.html$/m,
  'multi' : [],
  'title' : 'ExpressLeech',
  'homepage' : 'http://expressleech.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'faststore' : {
  'pattern' : /^https?:\/\/(www\.)?faststore\.org\/.+$/m,  
  'multi' : [],
  'title' : 'Fast store',
  'homepage' : 'http://faststore.org/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,'<b class="err">', cb, thisArg);
  },
},
'fileboom' : {
  'pattern' : [/^https?:\/\/(www\.)?fileboom\.me\/\w+\/?.*$/m, /^https?:\/\/(www\.)?fboom\.me\/\w+\/?.*$/m],
  'multi' : [],
  'title' : 'FileBoom.me',
  'homepage' : 'http://fileboom.me/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,'alert-block', cb, thisArg);
  },
},
'filecloud' : {
  'pattern' : /^http:\/\/filecloud\.io\/\w+(\/.*)?$/m,
  'multi' : [],
  'title' : 'filecloud.io',
  'homepage' : 'http://filecloud.io/',
  'check' : function(link,cb,thisArg) {
    // Ask filecloud API.
    // https://code.google.com/p/filecloud/wiki/CheckFile
    rq.add({
      method: "POST",
      url: "http://api.filecloud.io/api-check_file.api",
      data: "ukey="+encodeURIComponent(link.url.match(/filecloud\.io\/(\w+)(\/.*)?/)[1]),
      onload: function (response){
        var result = JSON.parse(response.responseText);
        if(result.status == "ok") {
          if(result.name) { 
            // Link is online
            cb.call(thisArg,link,1);
          } else {
            // Link is offline
            cb.call(thisArg,link,0);
          }
        } else {
          cb.call(thisArg,link,-1,"Strange reply from filecloud API:\n"+response.responseText);
        }
      }
    });
  },
},
'filefactory' : {
  'pattern' : /^https?:\/\/(www\.)?filefactory\.com\/file\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'FileFactory',
  'homepage' : 'http://www.filefactory.com',
  'check' : function(link,cb,thisArg) {
    OCH_ByMatchingFinalUrl(link,/error\.php\?code\=/, cb, thisArg);
  }
},
  
'fileflares' : {
  'pattern' : /^https?:\/\/fileflares.com\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'FileFlares.com',
  'homepage' : 'http://fileflares.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  }
},
  
'filejoker' : {
  'pattern' : /^https?:\/\/(www\.)?filejoker\.net\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'FileJoker',
  'homepage' : 'https://filejoker.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  }
},

'filemonkey' : {
  'pattern' : /^https?:\/\/www.filemonkey.in\/file\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Filemonkey.in',
  'homepage' : 'https://www.filemonkey.in/',
  'check' : function(link,cb,thisArg) {
   OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'fileload' : {
  'pattern' : /^https:\/\/fileload\.io\/.+$/m,
  'multi' : [],
  'title' : 'fileload.io',
  'homepage' : 'https://fileload.io/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"Not found", cb, thisArg);
  }
},
'filescdn' : {
  'pattern' : /^https:\/\/filescdn\.com\/.+$/m,
  'multi' : [],
  'title' : 'filescdn.com',
  'homepage' : 'https://filescdn.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"icon-warning text-danger", cb, thisArg);
  }
},
'firedrive' : {
  'pattern' : /^http:\/\/www\.firedrive\.com\/file\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Firedrive',
  'homepage' : 'http://www.firedrive.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'freakshare' : {
  'pattern' : /^http:\/\/freakshare\.com\/files\/\w+\/.+\.html$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'FreakShare',
  'homepage' : 'http://freakshare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["This file does not exist","Dieser Download existiert nicht"], cb, thisArg);
  },
},
'free' : {
  'pattern' : /^http:\/\/dl\.free\.fr\/\w+$/m,
  'multi' : [],
  'title' : 'Free',
  'homepage' : 'http://dl.free.fr/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["ERREUR","erreur","inexistant"], cb, thisArg);
  },
},
'gboxes' : {
  'pattern' : /^http:\/\/www\.gboxes\.com\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Green Boxes',
  'homepage' : 'http://www.gboxes.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'hitfile' : {
  'pattern' : /^https?\:\/\/(www\.)?hitfile\.net\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Hitfile.net',
  'homepage' : 'http://hitfile.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File was deleted or not found", cb, thisArg);
  },
},
'hugefiles' : {
  'pattern' : /^http:\/\/hugefiles\.net\/\w+\/?.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: HugeFiles.net',
  'homepage' : 'http://hugefiles.net/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'katfile' : { 
  'pattern' : /^https?:\/\/katfile\.com\/\w+\/?.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Katfile.com',
  'homepage' : 'http://katfile.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"file not found", cb, thisArg);
  },
},
'keep2share' : {
  'pattern' : [/^https?:\/\/keep2share\.cc\/file\/\w+\/?.*$/m, /^https?:\/\/k2s\.cc\/file\/\w+\/?.*$/m],
  'multi' : [],
  'title' : 'Keep2Share',
  'homepage' : 'https://keep2share.cc/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found", cb, thisArg);
  },
},
'kingfiles' : {
  'pattern' : /^https?:\/\/(www\.)?kingfiles\.net\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'KingFiles.net',
  'homepage' : 'http://www.kingfiles.net/',
  'check' : function(link,cb,thisArg) {
    var s = ["The file you were looking for could not be found, sorry for any inconvenience","Reason for deletion"];
    rq.add({
      method: "GET",
      url: link.url,
      onload: function (response){
        if(response.responseText.length == 0) {
           cb.call(thisArg,link,0); // Offline
           return;
        } else {
          for(var i = 0; i < s.length; i++) {
            if(response.responseText.indexOf(s[i]) != -1) {
              cb.call(thisArg,link,0); // Offline
              return;
            }
          }
          cb.call(thisArg,link,1); // Online
        }
      }
    });
  },
},
'letitbit' : {
  'pattern' : /^https?:\/\/(\w+\.)?letitbit\.net\/download\/(\w|\.)+\/.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Letitbit.net',
  'homepage' : 'http://letitbit.net/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'lunaticfiles' : {
  'pattern' : /^https?:\/\/lunaticfiles\.com\/\w+\/?.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'lunaticfiles.com',
  'homepage' : 'http://lunaticfiles.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  }
},
'mediafire' : {
  'pattern' : [/^https?:\/\/www\.mediafire\.com\/?\?.+$/m,/^https?:\/\/www\.mediafire\.com\/download\/.+$/m],
  'multi' : ['nopremium.pl'],
  'title' : 'MediaFire',
  'homepage' : 'https://www.mediafire.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByMatchingFinalUrl(link,/error\.php/, cb, thisArg);
  },
},
'mega' : {
  'pattern' : [/^https?:\/\/mega\.co\.nz\/\#\!\w+!*(\w|-)*$/m, /^https?:\/\/mega\.nz\/\#\!\w+!*(\w|-)*$/m],
  'multi' : ['nopremium.pl'],
  'title' : 'MEGA',
  'homepage' : 'https://mega.co.nz/',
  'check' : function(link,cb,thisArg) {
    // Ask mega.co.nz API
    rq.add({
      method: "POST",
      url: "https://eu.api.mega.co.nz/cs?id=0",
      data: '[{"a":"g","p":"' + link.url.match(/\#\!(\w+)\!/)[1] + '"}]',
      headers: {"Content-Type": "application/json"},
      onload: function (response){
        if(typeof JSON.parse(response.responseText)[0] == 'number') { 
          // Link is offline
          cb.call(thisArg,link,0);
        } else {
          // Link is online
          cb.call(thisArg,link,1);
        }
      }
    });
  },
},
'mexashare' : {
  'pattern' : [/^https?:\/\/(www\.)?mexashare\.com\/\w+\/?.*$/m],
  'multi' : [],
  'title' : 'MexaShare',
  'homepage' : 'http://www.mexashare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'nitroflare' : {
  'pattern' : [/^https?:\/\/nitroflare\.com\/view\/.+$/m],
  'multi' : [],
  'title' : 'NitroFlare',
  'homepage' : 'http://nitroflare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["be redirect to the main page", ' id="error"'], cb, thisArg);
  },
},
'novafile' : {
  'pattern' : [/^https?:\/\/(www\.)?novafile\.com\/\w+\/?.*$/m],
  'multi' : [],
  'title' : 'Novafile',
  'homepage' : 'http://novafile.com',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},

'oboom' : {
  'pattern' : /^https?:\/\/www\.oboom\.com\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'OBOOM.com',
  'homepage' : 'https://www.oboom.com/',
  'check' : function(link,cb,thisArg) {
    // Ask oboom API.
    rq.add({
      method: "GET",
      url: "https://api.oboom.com/1/info?items="+encodeURIComponent(link.url.match(/oboom\.com\/(\w+)/)[1]),
      onload: function (response){
        var result = JSON.parse(response.responseText);
        if(result[0] == 200) {
          if(result[1][0].state == "online") { 
            // Link is online
            cb.call(thisArg,link,1);
          } else {
            // Link is offline
            cb.call(thisArg,link,0);
          }
        } else {
          cb.call(thisArg,link,-1,"Strange reply from oboom API:\n"+response.responseText)
        }
      }
    });
  },
},
'openload' : {
  'pattern' : [/^https?:\/\/openload\.co\/f\/.+$/m],
  'multi' : ['nopremium.pl'],
  'title' : 'Openload',
  'homepage' : 'http://openload.co/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found", cb, thisArg);
  },
},
'potload' : {
  'pattern' :/^http:\/\/potload\.com\/\w+$/m,
  'multi' : [],
  'title' : 'Offline: Potload',
  'homepage' : 'http://potload.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'publish2me' : {
  'pattern' : /^https?:\/\/publish2\.me\/file\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'Publish.me',
  'homepage' : 'https://publish2.me/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"alert-block", cb, thisArg);
  },
},
'rapidgator' : {
  'pattern' : [/^https?:\/\/rapidgator\.net\/file\/[^#]+$/m,/^https?:\/\/rg\.to\/file\/[^#]+$/m],
  'multi' : ['nopremium.pl'],
  'title' : 'Rapidgator.net',
  'homepage' : 'http://rapidgator.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByMatchingFinalUrl(link,/article\/premium/, cb, thisArg);
  }
},
'rapidu' : {
  'pattern' :/^https?:\/\/(\w+\.)?rapidu\.net\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Rapidu.net',
  'homepage' : 'https://rapidu.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found", cb, thisArg);
  },
},
'rioupload' : {
  'pattern' : /^http:\/\/(www\.)?rioupload\.com\/\w+$/m,
  'multi' : [],
  'title' : 'RioUpload',
  'homepage' : 'http://rioupload.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'rockfile' : { 
  'pattern' : /^https?\:\/\/(www\.)?rockfile\.(eu|co)\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Rockfile.co',
  'homepage' : 'http://rockfile.co',
  'check' : function(link,cb,thisArg) {
    // Rockfile has cloudfare protection with a cookie check.
    rq.add({
      method: "GET",
      url: link.url,
      onprogress: function(response) {
        // abort download of big files
        if((Math.max(response.loaded,response.total)/1024) > MAXDOWNLOADSIZE) {
          this.__result.abort();
          cb.call(thisArg,link,1); // Let's assume big files are online
        }
      },
      onload: function (response){
        if(response.responseText.indexOf("Checking your browser before accessing") != -1) {
          cb.call(thisArg,link,-1,"Cloudfare protection, please manually open the website at least once."); // Cloudfare protection
          return;
        }
        else if(response.responseText.indexOf("File Not Found") != -1 || response.responseText.indexOf("fa-chain-broken") != -1 ) {
          cb.call(thisArg,link,0); // Offline
          return;
        }
        cb.call(thisArg,link,1); // Online
      }
    });

  },
},
'rusfolder' : {
  'pattern' : /^http:\/\/rusfolder\.com\/\d+$/m,
  'multi' : [],
  'title' : 'Rusfolder.com',
  'homepage' : 'http://rusfolder.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found.", cb, thisArg);
  },
},
'salefiles' : {
  'pattern' : /^http:\/\/salefiles\.com\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'Salefiles',
  'homepage' : 'http://salefiles.com',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'share-online' : {
  'pattern' : /^http:\/\/www\.share-online\.biz\/dl\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Share-Online',
  'homepage' : 'http://www.share-online.biz/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["The requested file is not available","Die angeforderte Datei konnte nicht gefunden werden"], cb, thisArg);
  },
},
'sockshare' : {
  'pattern' : /^http:\/\/www\.sockshare\.com\/file\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: SockShare',
  'homepage' : 'http://www.sockshare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},

'soundcloud' : {
  'pattern' : /^https?:\/\/soundcloud.com\/(\w|-)+\/(\w|-)+$/m,
  'multi' : [],
  'title' : 'SoundCloud',
  'homepage' : 'https://soundcloud.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"We can't find that track.", cb, thisArg);
  },
},
'storebit' : {
  'pattern' : /^https?:\/\/(www\.)?storbit\.net\/file\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Offline: Storbit.net',
  'homepage' : 'http://storbit.net',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'streamcloud' : {
  'pattern' : /^http:\/\/streamcloud\.eu\/\w+$/m,
  'multi' : [],
  'title' : 'Offline: Streamcloud',
  'homepage' : 'http://streamcloud.org/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'streamin' : {
  'pattern' : /^https?:\/\/streamin\.to\/.+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Streamin.to',
  'homepage' : 'http://streamin.to/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Deleted", cb, thisArg);
  },
},
'subyshare' : {
  'pattern' : /^https?:\/\/subyshare\.com\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'Subyshare.com',
  'homepage' : 'http://subyshare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'suprafiles' : {
  'pattern' : /^http:\/\/suprafiles\.net\/\w+\/?.*$/m,
  'multi' : [],
  'title' : 'Suprafiles.net',
  'homepage' : 'http://suprafiles.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'turbobit' : {
  'pattern' : /^http:\/\/turbobit\.net\/\w+.*\.html$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'turbobit.net',
  'homepage' : 'http://turbobit.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["File not found","File was not found"], cb, thisArg);
  },
},
'tusfiles' : {
  'pattern' : /^https?:\/\/(www\.)?tusfiles\.net\/\w+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'TusFiles',
  'homepage' : 'http://tusfiles.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"The file you are trying to download is no longer available", cb, thisArg);
  },
},
'unlimitzone' : {
  'pattern' : /^http:\/\/unlimitzone\.com\/\w+.*$/m,
  'multi' : [],
  'title' : 'Unlimit Zone',
  'homepage' : 'http://unlimitzone.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'up07' : {
  'pattern' : /^https?:\/\/up07\.net\/\w+$/m,
  'multi' : [],
  'title' : 'up07.net',
  'homepage' : 'http://up07.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'upera' : {
  'pattern' : /^http:\/\/public\.upera\.co\/\w+$/m,
  'multi' : [],
  'title' : 'Upera',
  'homepage' : 'http://public.upera.co/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"Invalid or Deleted File", cb, thisArg);
  },
},
'uploadable' : {
  'pattern' : /^http:\/\/www\.uploadable\.ch\/file\/\w+\/(\w|-|\.)+$/m,
  'multi' : [],
  'title' : 'Offline: Uploadable.ch',
  'homepage' : 'http://www.uploadable.ch/',
  'check' : function(link,cb,thisArg) {
    OCH_permanentlyoffline(link, cb, thisArg);
  }
},
'uploadboy' : {
  'pattern' : /^http:\/\/(www\.)?uploadboy\.com\/\w+\.html$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Uploadboy.com',
  'homepage' : 'http://uploadboy.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'uploaded' : {
  'pattern' : [/^https?:\/\/uploaded\.(net|to)\/file\/.+$/m,/^http:\/\/ul\.to\/.+$/m],
  'multi' : ['nopremium.pl'],
  'title' : 'uploaded.net',
  'homepage' : 'http://uploaded.net/',
  'check' : function(link,cb,thisArg) {
    //OCH_ByMatchingFinalUrl(link,[/uploaded\.net\/404/,/uploaded\.net\/410/], cb, thisArg);
    OCH_ByFindingString(link,"Error: ", cb, thisArg);
  },
},
'uploadgig' : {
  'pattern' : /^https?:\/\/uploadgig\.com\/file\/download\/\w+\/?.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'UploadGIG',
  'homepage' : 'https://uploadgig.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found", cb, thisArg);
  },
},
'uploadingcom' : {
  'pattern' : /^http:\/\/uploading\.com\/\w+\/?.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Uploading.com',
  'homepage' : 'http://uploading.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,['class="file_error"',"file not found","file was removed"], cb, thisArg);
  },
},
'uploading' : {
  'pattern' : /^http:\/\/(www\.)?uploading\.site\/\w+.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Uploading.site',
  'homepage' : 'http://uploading.site/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,["cannot be found", "was removed", "for deletion"], cb, thisArg);
  },
},
'uploadocean' : {
  'pattern' : /^https?:\/\/uploadocean\.com\/\w+$/m, 
  'multi' : [],
  'title' : 'UploadOcean',
  'homepage' : 'http://uploadocean.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link, 'deleted.png"', cb, thisArg);
  },
},
'uploadon' : {
  'pattern' : /^http:\/\/uploadon\.me\/\w+\.html$/m, 
  'multi' : [],
  'title' : 'Uploadon.me',
  'homepage' : 'http://uploadon.me/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link, ["File not found", "This page was not found"], cb, thisArg);
  },
},
'uploadrocket' : {
  'pattern' : /^http:\/\/uploadrocket\.net\/\w+(\/|\w|-|\.)+(\.html)?$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'UploadRocket.net',
  'homepage' : 'http://uploadrocket.net/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"The file was removed by administrator", cb, thisArg);
  },
},
'uppit' : {
  'pattern' : /^http:\/\/uppit\.com\/\w+(\/.*)?$/m,
  'multi' : [],
  'title' : 'UppIT',
  'homepage' : 'http://uppit.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'uptobox' : {
  'pattern' : /^http:\/\/uptobox.com\/\w+(\/.*)?$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Uptobox',
  'homepage' : 'http://uptobox.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,'<span class="para_title">File not found', cb, thisArg);
  },
},
'userscloud' : {
  'pattern' : /^https?:\/\/userscloud\.com\/\w+.*$/m,
  'multi' : [],
  'title' : 'Userscloud',
  'homepage' : 'https://userscloud.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"label-danger", cb, thisArg);
  },
},
'vevo' : { 
  'pattern' : /^https?:\/\/www\.vevo\.com\/watch\/.+$/m,
  'multi' : [],
  'title' : 'VEVO',
  'homepage' : 'https://www.vevo.com/',
  'check' : function(link,cb,thisArg) {
    // At the moment there seems to be no straightforward way to get the online/offline status
    cb.call(thisArg,link,1); // Online
  }
},
'vidto' : {
  'pattern' : /^https?:\/\/vidto\.me\/\w+\.?\w*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'vidto.me',
  'homepage' : 'http://vidto.me/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File Not Found", cb, thisArg);
  },
},
'vimeo' : { 
  'pattern' : /^https?:\/\/vimeo\.com\/(.+\/)?\d+\/?$/m,
  'multi' : [],
  'title' : 'Vimeo',
  'homepage' : 'https://vimeo.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"Page not found", cb, thisArg);
  },
},
'vipfile' : {  // TODO: nopremium.pl lists this hoster as "vip-file"
  'pattern' : /^http:\/\/\w+.vip-file.com\/downloadlib\/.*$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'VIP-file',
  'homepage' : 'http://vip-file.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"File not found", cb, thisArg, link.url+"?lang=en");
  },
},
'youtube' : {
  'pattern' : /^https?:\/\/www\.youtube\.com\/watch(\?v=|\/).+$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'YouTube',
  'homepage' : 'https://www.youtube.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"<title>YouTube</title>", cb, thisArg);
  },
},
'zippyshare' : {
  'pattern' : /^http:\/\/www\d*\.zippyshare\.com\/v\/\w+\/file\.html$/m,
  'multi' : ['nopremium.pl'],
  'title' : 'Zippyshare.com',
  'homepage' : 'http://www.zippyshare.com/',
  'check' : function(link,cb,thisArg) {
    OCH_ByFindingString(link,"does not exist", cb, thisArg);
  }
}


};





















function linkOffline(link) {
  link.element.style.backgroundColor = "rgba(255, 0, 20, 0.5)";
  link.element.dataset.linkValidatedAs = "offline";
}
function linkOnline(link) {
  link.element.style.backgroundColor = "rgba(70, 255 ,0, 0.5)";
  link.element.dataset.linkValidatedAs = "online";
}
function linkWaiting(link) {
  link.element.style.backgroundColor = "rgba(255, 150, 80, 0.4)";
}

function handleResult(link,result,errorstring) {
  if(result === 1) {
    linkOnline(link);
  } else if(result === 0) {
    linkOffline(link);
  } else if(result == -1) {
    link.element.style.backgroundColor = "blue";
    link.element.title = errorstring;
    console.log(errorstring);
  } else {
    console.log("handleResult(link,result,errorstring) wrong resultcode: "+result);
  }
}

function matchHoster(str) {
  // Return name of first hoster that matches, otherwise return false
  for(var name in OCH) {
    for(let i = 0; i < OCH[name].pattern.length; i++) {
      if(OCH[name].pattern[i].test(str)) {
        return name;
      }
    }
  }
  return false;
}

function findLinks() {
  links = [];

  // Normalize hoster object: Replace single patterns with arrays [RegExp]
  for(var name in OCH) {
    if(!Array.isArray(OCH[name].pattern)) {
      OCH[name].pattern = [ OCH[name].pattern ];
    }
  }

  // Find all text nodes that contain "http://"
  var nodes = [];
  var walk = document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT,{ acceptNode: function(node) {
    if(node.parentNode.href || node.parentNode.parentNode.href || node.parentNode.parentNode.parentNode.href)
      return NodeFilter.FILTER_REJECT;
    if(node.parentNode.tagName == "TEXTAREA" || node.parentNode.parentNode.tagName == "TEXTAREA")
      return NodeFilter.FILTER_REJECT;
    if(node.data.match(/(\s|^)https?:\/\/\w+/))
      return NodeFilter.FILTER_ACCEPT;
  } },false);
  var node = walk.nextNode();
  while(node) {
      nodes.push(node);
      node = walk.nextNode();
  }

  // For each found text nodes check whether the URL is a valid OCH URL
  for(let i = 0; i < nodes.length && i < MAXTEXTNODES; i++) {
    if("" === nodes[i].data) {
      continue;
    }
    var httpPosition = nodes[i].data.indexOf("http");
    if(httpPosition == -1) {
      continue;
    }

    var urlnode;
    if(httpPosition > 0) {
      urlnode = nodes[i].splitText(httpPosition); // Split leading text
    } else {
      urlnode = nodes[i];
    }
    var stop = urlnode.data.match(/$|\s/)[0]; // Find end of URL
    if("" !== stop) { // If empty string, we found $ end of string
      var nextnode = urlnode.splitText(urlnode.data.indexOf(stop)); // Split trailing text
      if("" !== nextnode.data && nextnode.data.indexOf("http") != -1) {// The trailing text might contain another URL
        nodes.push(nextnode);
      }
    }

    // Check whether the URL is a OCH. If so, create an <a> element
    var url = urlnode.data;
    var mh = matchHoster(url);
    if(mh !== false) {
      var a = document.createElement("a");
      a.href = url;
      a.appendChild(urlnode.parentNode.replaceChild(a, urlnode));
      links.push( {
        'hoster' : mh,
        'url' : url,
        'element' : a
      });
    }
  }

  // Find actual <a> links
  var al = document.getElementsByTagName('a');
  for(let i = 0; i < al.length; i++) {
    if(al[i].dataset.linkValidatedAs) {
      continue; // Link was already checked
    }
    var mH = matchHoster(al[i].href);
    if(mH !== false) {
      links.push( {
        'hoster' : mH,
        'url' : al[i].href,
        'element' : al[i]
      });
    }
  }

  return links.length;
}

function checkLinks() {
  // Check all links by calling the hoster's check function
  for(let i = 0; i < links.length; i++) {
    if(links[i] && OCH[links[i].hoster].check && typeof(OCH[links[i].hoster].check) === 'function') {
      linkWaiting(links[i]);
      OCH[links[i].hoster].check(links[i],handleResult);
    }
  }
}


document.addEventListener('keydown',function(ev) {
  if (ev.keyCode == 27) {
    if(!rq.hasRunning()) {
      // Highlight links and check them
      rq.resetTotal();
      var n = findLinks();
      if(n > 0 ) {
        checkLinks();
      }
    } else {
      // Abort all requests
      rq.abort();
    }
  }
},false);

})();