// ==UserScript==
// @name           Skip Redirect Slim
// @description    Skip diverse redirects.
// @include        *
// ==/UserScript==
// This script skips diverse redirects. (Fixed Tel.)
/*
 * URI - GENERIC
 */
var OFFICIAL_SCHEME = "(aaas|aaa|acap|afs|cap|cid|crid|data|dav|dict|dns|dtn|fax|file|ftp|gopher|go|h323|https|http|iax2|icap|imap|im|info|ipp|iris\\.beep|iris\\.lwz|iris\\.xpcs|iris\\.xpc|iris|ldap|mailserver|mailto|mid|modem|msrps|msrp|mtqp|mupdate|news|nfs|nntp|opaquelocktoken|pack|pop|pres|prospero|rtsp|service|shttp|sips|sip|snmp|soap\\.beeps|soap\\.beep|tag|telnet|tel|tftp|thismessage|tip|tn3270|tv|urn|vemmi|wais|xmlrpc\\.beeps|xmlrpc\\.beep|xmpp|z39\\.50r|z39\\.50s)";
var UNOFFICIAL_SCHEME = "(about|addbook|afp|aim|applescript|bcp|bk|btspp|bzr|callto|castanet|cdv|cel|chrome|chttp|cvs|daap|daytime|device|doi|ed2k|eid|enp|feed|finger|fish|freenet|gg|git|gizmoproject|gsiftp|gsm-sms|h324|hdl|hnews|httpsy|iax2|iioploc|ilu|IOR|ircs|irc|itms|jar|javascript|jdbc|klik|kn|lastfm|ldaps|lifn|livescript|lrq|magnet|mailbox|man|md5|mms|mocha|moz-abmdbdirectory|msnim|myim|notes|nsfw|oai|pcast|phone|php|pop3|printer|psyc|pyimp|rdar|res|rsync|rvp|rwhois|rx|sdp|secondlife|sftp|skype|smb|sms|snews|soap\\.udp|soldat|ssh|steam|SubEthaEdit|svn\\+ssh|svn|t120|tann|tcp|telephone|txmt|uddi|unreal|ut2004|uuid|videotex|view-source|vzochat|wcap|webcal|whodp|whois\\+\\+|whois|wpn|wtai|xeerkat|xfire|ymsgr)";
var SCHEME = "(" + OFFICIAL_SCHEME + "|" + UNOFFICIAL_SCHEME + "):";
var IP_LITERAL = "(\\[((([a-f\\d]{1,4}:){6}([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(::([a-f\\d]{1,4}:){5}([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(([a-f\\d]{1,4})?::([a-f\\d]{1,4}:){4}([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|((([a-f\\d]{1,4}:)?[a-f\\d]{1,4})?::([a-f\\d]{1,4}:){3}([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(((([a-f\\d]{1,4}:){1,2})?[a-f\\d]{1,4})?::([a-f\\d]{1,4}:){2}([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(((([a-f\\d]{1,4}:){1,3})?[a-f\\d]{1,4})?::([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(((([a-f\\d]{1,4}:){1,4})?[a-f\\d]{1,4})?::([a-f\\d]{1,4}:[a-f\\d]{1,4})|((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])))|(((([a-f\\d]{1,4}:){1,5})?[a-f\\d]{1,4})?::[a-f\\d]{1,4})|(((([a-f\\d]{1,4}:){1,6})?[a-f\\d]{1,4})?::))\\])";
var IPV4ADDRESS = "((([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}([1-9]?\\d|1\\d{2}|2[0-4]\\d|25[0-5]))";
var IP = "(" + IPV4ADDRESS + "|" + IP_LITERAL + ")";
var HIER_PART = "(((\\/\\/)?((([\\w-.~!$&'()*+,;=:]|%[a-f\\d]{2})*@)?(" + IP + "|([\\w-.~!$&'()*+,;=]|%[a-f\\d]{2})*)(:\\d+)?))([\\w-.~!$&'()*+,;=:@/]|%[a-f\\d]{2})*)";
var QUERY_FRAGMENT = "([&?]([\\w-.~!$&'()*+,;=:@/?]|%[a-f\\d]{2})*)?(#([\\w-.~!$&'()*+,;=:@/?]|%[a-f\\d]{2})*)?";
var URI1 = "(" + SCHEME + HIER_PART + QUERY_FRAGMENT + ")";
/*
 * URI - NO SCHEME, SPECIFIC REG-NAME AND TOP-LEVEL DOMAIN
 */
var AUTHORITY = "([a-z\\d]([\\w-.~!$&*+,=:]|%[a-f\\d]{2})*@)?";
var REG_NAME = "([a-z\\d]([\\w-~!$*+,@]|%[a-f\\d]{2})+\\.)+"; // REMOVED & and =
var TLD = "(ac|ad|aero|ae|af|ag|ai|al|am|an|ao|aq|arpa|ar|asia|as|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|cat|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|coop|com|co|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|in|io|iq|ir|is|it|je|jm|jobs|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mo|mp|mq|mr|ms|mt|museum|mu|mv|mw|mx|my|mz|name|na|nc|net|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pro|pr|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xn--0zwm56d|xn--11b5bs3a9aj6g|xn--80akhbyknj4f|xn--9t4b11yi5a|xn--deba0ad|xn--g6w251d|xn--hgbk6aj7f53bba|xn--hlcj6aya9esc7a|xn--jxalpdlp|xn--kgbechtv|xn--zckzah|ye|yt|yu|za|zm|zw)";
var PATH = "([;/]([\\w-.~!$&'()*+,;=:@/]|%[a-f\\d]{2})*)?";
var URI2 = "(" + AUTHORITY + "(" + IP + "|(" + REG_NAME + TLD + "\\b))(:\\d+)?" + PATH + QUERY_FRAGMENT + ")";
/*
 * URI REGULAR EXPRESSION
 */
var uriRegExp = new RegExp(URI1 + "|" + URI2, "gi"); // REMOVED `TEL'
/*
 * UNWANTED REGULAR EXPRESSION
 */
var unwantedRegExp = new RegExp("^((" + SCHEME + "?(\\/*([-.~!$&'()*+,;=:\\d]{1,3})?))|(\\+[-.()\\d]{1,2}\\D[-.()\\d]{1,2}[-.()]*)|(\\[?(\\d+\\.){3}\\d+(\\/+\\d+)?\\]?))$", "i"); // SCHEME-ONLY WITH SOME SEPECIAL SYMBOLS OR SOME (SMALL) PHONENUMBER OR IP-ONLY WITH OPTIONAL DIGIT PATH
/*
 * MAILTO REGULAR EXPRESSION
 */
var MAILTO = "((([\\w-.~]|%[a-f\\d]{2})+@([\\w-.~,]|%[a-f\\d]{2})+)*([&?]([\\w-.~=@]|%[a-f\\d]{2})*)*)";
var mailtoRegExp = new RegExp("^" + MAILTO + "$", "i");
/*
 * SCHEME REGULAR EXPRESSION
 */
var schemeRegExp = new RegExp("^" + SCHEME, "i");
var urls = null;
function frameRedirection()
{
    try
    {
        var frames = document.evaluate(".//frame[@src]", document.body, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
        if (!frames || frames.snapshotLength != 1)
        {
            return;
        }
        window.location.replace(frames.snapshotItem(0).src);
    }
    catch (e) {}
}
function split(value)
{
    if (/&|%[a-f\d]{2}|[+]/i.test(value))
    {
        return value.split(/&|[?&=+]/); // + only for google!?
    }
    else
    {
        return [value];
    }
}
function skipRedirect(value)
{
    if (!value)
    {
        return;
    }
    if (value.indexOf("%") > -1)
    {
        var arr = split(value);
        for (var i = 0; i < arr.length; i++)
        {
            if (arr[i].length < 4)
            {
                continue;
            }
            if (arr[i].indexOf("%") > -1)
            {
                var tmp = unescape(arr[i]);
                if (tmp == arr[i])
                {
                    continue;
                }
                arr[i] = tmp;
            }
            skipRedirect(arr[i]);
        }
    }
    else
    {
        var uris = value.replace(/\ /g, "%20").match(uriRegExp);
        if (!uris)
        {
            return;
        }
        for (var j = 0; j < uris.length; j++)
        {
            url = uris[j];
            if (unwantedRegExp.test(url))
            {
                continue;
            }
            if (!schemeRegExp.test(url))
            {
                if (mailtoRegExp.test(url))
                {
                    url = "mailto:" + url;
                }
                else
                {
                    url = "http://" + url;
                }
            }
            urls.obj[url] = true;
        }
    }
}
function urlRedirection()
{
    var anchors = document.evaluate(".//a[contains(@href,'?') or contains(@href,'&')]", document.body, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    if (anchors && anchors.snapshotLength > 0)
    {
        for (var i = 0; i < anchors.snapshotLength; i++)
        {
            urls = {};
            urls.obj = {};
            var anchor = anchors.snapshotItem(i);
            var href = anchor.getAttribute("href");
            var tmp = href.replace(/^[^?&=]+[?&=]/, "").replace(/\s+$/, "");
            var arr = split(tmp);
            for (var j = 0; j < arr.length; j++)
            {
                skipRedirect(arr[j]);
            }
            href = "";
            for (var url in urls.obj)
            {
                if (url.length > href.length)
                {
                    href = url;
                }
            }
            if (href)
            {
                anchor.setAttribute("href", href);
            }
        }
    }
}
function main()
{
    frameRedirection();
    urlRedirection();
}
main();