General URL Cleaner

Cleans URL's from various popular sites. Also, makes sure the sites are using HTTPS.
当前为 2016-08-23 提交的版本，查看最新版本。
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// ==UserScript==
// @run-at      document-start
// @name        General URL Cleaner
// @namespace   
// @description Cleans URL's from various popular sites. Also, makes sure the sites are using HTTPS.
// @include     /^https?://[a-z]+\.google(\.com?)?\.[a-z]{2,3}/.*$/
// @include     /^https?://www\.amazon(\.com?)?\.[a-z]{2,3}/.*$/
// @include     /^https?://www\.newegg\.c(om|a)/.*$/
// @include     /^https?://[a-z]+\.ebay(\.com?)?\.[a-z]{2,3}/.*$/
// @include     /^https?://www\.bing\.com/.*$/
// @include     https://www.youtube.com/*
// @include     http://stat.dealtime.com/*
// @include     http://www.imdb.com/*
// @exclude     https://apis.google.com/*
// @exclude     https://www.google.com/recaptcha/api2/*
// @version     2.5
// @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==
var doc = document; var numLinks = 0;
var docDomain = doc.URL.split('/')[2];
var ebay = /^[a-z]+\.ebay(\.com?)?\.[a-z]{2,3}$/;
var amazon = /^www\.amazon(\.com?)?\.[a-z]{2,3}$/;
var google = /^[a-z]+\.google(\.com?)?\.[a-z]{2,3}$/;
var amazonParams = /&(ie|pf_rd_[a-z]|bbn|rw_html_to_wsrp)=[^&#]*/;
var utmParams = /([?&#]utm_[a-z]+=[^&#]*|&amp;)/g;
var bingParams = /&(go|qs|form|FORM|filt|pq|s[cpk]|qpvt|cvid)=[^&]*/g;
var youtubeParams = /&(feature|src_vid|annotation_id|[gh]l)=[^&]*/g;
var ebayParams = /&(_(o?sacat|odkw|from|trksid)|rt)=[^&]*/g;
var googleParams = /&(aqs|as_qdr|authuser|bav|bi[wh]|bs|bvm|cad|channel|complete|cp|s?client|dpr|es_sm|g(fe|ws)_rd|gpsrc|h[ls]|ie|n?um|btnG|o[eq]|pbx|p[fq]|rct|rlz|sa(fe)?|s?ei|site|source(id)?|spell|tab|tbas|tbo|usg|ved|xhr|gs_(l|r[ni]|mss|id))=[^&]*/g;

// -------- Main --------
if (docDomain=='www.bing.com') {
    var newUrl = cleanBingSearch(doc.URL);
    if (doc.URL.startsWith('http:')) location.href = newUrl;
    else cleanPageUrl(newUrl);
    cleanLinks('all');
}
else if (docDomain=='www.youtube.com') {
    if (doc.URL.includes('/watch?')||doc.URL.includes('/watch/')) cleanPageUrl(cleanYoutubeVideo(doc.URL));
    else if (doc.URL.includes('redirect?')) location.replace(cleanYoutubeRedirect(doc.URL));
    cleanLinks('youtube');
}
else if (docDomain=='www.newegg.com' || docDomain=='www.newegg.ca') {
    if (doc.URL.includes('/Product/Product.aspx')) cleanPageUrl(cleanNeweggItem(doc.URL));
    cleanLinks('newegg');
}
else if (docDomain=='www.imdb.com') {
    if (doc.URL.includes('?')) cleanPageUrl(cleanImdb(doc.URL));
    cleanLinks('imdb');
}
else if (google.test(docDomain)) {
    if (doc.URL.includes('/url?')) location.replace(cleanGoogleRedirect(doc.URL));
    else if (doc.URL.includes('/imgres?imgurl=')) location.replace(cleanGoogleImageRedirect(doc.URL));
    else if (/\.[a-z]{2,3}\/[a-z]*[?#]/.test(doc.URL)) {
        cleanPageUrl(cleanGoogleSearch(doc.URL));
        cleanLinks('google',true);
        googleInstant();
    }
}
else if (ebay.test(docDomain)) {
    if (doc.URL.includes('/itm/')) cleanPageUrl(cleanEbayItem(doc.URL));
    else if (doc.URL.includes('/sch/')||doc.URL.includes('/dsc/')) cleanPageUrl(cleanEbaySearch(doc.URL));
    cleanLinks('ebay');
}
else if (amazon.test(docDomain)) {
    if (doc.URL.includes('/dp/')) cleanPageUrl(cleanAmazonItemdp(doc.URL));
    else if (doc.URL.includes('/gp/product')) cleanPageUrl(cleanAmazonItemgp(doc.URL));
    else if (doc.URL.includes('?')) cleanAmazonParams(doc.URL);
    cleanLinks('amazon');
}
else if (doc.URL.startsWith('http://stat.dealtime.com/DealFrame/DealFrame.cmp?')) {
    location.replace(cleanDealtime(doc.URL));
}

// -------- Front functions --------
function cleanPageUrl(newUrl) {
    if (newUrl != doc.URL) history.replaceState(null,null,newUrl);
}

function cleanLinks(site, remain=false) { new MutationObserver(function(_,self) {
    links = doc.getElementsByTagName("a");
    if (links.length>numLinks) { numLinks=links.length;
        for (var i=numLinks; 0<i--;) { a = links[i];
            try { if (a.href.startsWith('http')) {
                old = a.href;
                linkCleaners[site](a);
                if (a.innerText==old) a.innerText=a.href;
                if (a.title==old) a.title=a.href;
            }} catch(TypeError) {}
        }
    }
    if (!remain && doc.readyState=='complete') setTimeout(function(){self.disconnect();}, 20000);
}).observe(doc,{childList:true,subtree:true});}

function googleInstant() { new MutationObserver(function(_,self) {
    var search = doc.getElementById('lst-ib');
    if (search) { new MutationObserver(function() {
        if (doc.URL.includes('#') && !doc.URL.includes('#imgrc=')) {
            newUrl = baseUrl(doc.URL) + cleanGoogleSearch((doc.URL.match(/\/[a-z]*\?/)||'/search?')+(doc.URL.match(/#(.*)/)[1]||doc.URL.match(/\?(.*)#/)[1]));
            history.replaceState(null,null,newUrl);
        }}).observe(search,{childList:true,attributes:true});
        self.disconnect();
    }
}).observe(doc,{childList:true,subtree:true});}

// -------- URL cleaning functions --------
function cleanGoogleSearch(url) {
    return url.replace('?','?&').replace(googleParams,'').replace('?&','?').replace(/^http\:/,'https:');
}
function cleanGoogleRedirect(url) {
    return decodeURIComponent(url.replace(/.+\/url\?.*(url|q)=/,'').replace(/&(rct|psig|ei|bvm|sa)=.*$/g,''));
}
function cleanGoogleImageRedirect(url) {
    return decodeURIComponent(url.replace(/(.+?)\?imgurl=/,'').replace(/&imgrefurl=.*/,''));
}
function cleanBingSearch(url) {
    return url.replace('?','?&').replace(bingParams,'').replace('?&','?').replace(/^http\:/,'https:');
}
function cleanYoutubeVideo(url) {
    return url.replace("?","?&").replace(youtubeParams,'').replace("?&","?");
}
function cleanYoutubeRedirect(url) {
    return decodeURIComponent(url.replace(/(.+?)\?q=/,'').replace(/&redir_token=.*/,''));
}
function cleanEbayItem(url) {
    return baseUrl(url)+'/itm'+url.match(/\/[0-9]{11,13}/)+(url.match(/#[A-Za-z]+$/)||'');
}
function cleanEbaySearch(url) {
    return url.replace('?','?&').replace(ebayParams,'').replace('?&','?');
}
function cleanAmazonItemgp(url) {
    return baseUrl(url)+url.match(/\/gp\/product\/[A-Z0-9]{10}/)+(url.match(/#[A-Za-z]+$/)||'');
}
function cleanAmazonItemdp(url) {
    return baseUrl(url)+url.match(/\/dp\/[A-Z0-9]{10}/)+(url.match(/#[A-Za-z]+$/)||'');
}
function cleanAmazonParams(url) {
    return url.replace('?','?&').replace(amazonParams,'').replace('?&','?');
}
function cleanNeweggItem(url) {
    return baseUrl(url)+'/Product/Product.aspx'+url.match(/\?Item=[^&]*/);
}
function cleanDealtime(url) {
    return decodeURIComponent(url.replace(/.*&url=/,'').replace(/(%26)?&linkin_id=.*$/,'')).replace(/&(url|partner)=[^&]*/g,'');
}
function cleanImdb(url) {
    return url.replace('?','?&').replace(/&(pf_rd_[a-z]|ref_)=[^&#]*/,'').replace('?&','?').replace(/\?$/,'');
}
function baseUrl(url) {
    d = url.split('/'); return d[0]+'//'+d[2];
}

// -------- Link cleaning functions --------
var linkCleaners = {
    all:function(a) {
        var d=a.href.split('/')[2];
        if (google.test(d))
            if (a.href.includes('/url=')) a.href = cleanGoogleRedirect(a.href);
            else if (/\/[a-z]+\?/.test(a.href)) a.href = cleanGoogleSearch(a.href);
        else if (d=='www.youtube.com')
            if (a.href.includes('/watch/')) a.href = cleanYoutubeVideo(a.href);
            else if (a.href.includes('/redirect?')) a.href = cleanGoogleRedirect(a.href);
        else if (a.href.includes('/Product/Product.aspx') && (d=='www.newegg.com'||d=='www.newegg.ca'))
            a.href = cleanNeweggItem(a.href);
        else if (d=='www.imdb.com' && a.href.includes('?'))
            a.href = cleanImdb(a.href);
        else if (amazon.test(d))
            if (a.href.includes('/dp/')) a.href = cleanAmazonItemdp(a.href);
            else if (a.href.includes('/gp/product')) a.href = cleanAmazonItemgp(a.href);
            else if (a.href.includes('?')) a.href = cleanAmazonParams(a.href);
        else if (ebay.test(d))
            if (a.href.includes('/itm/')) a.href = cleanEbayItem(a.href);
            else if (a.href.includes('/sch/')) a.href = cleanEbaySearch(a.href);
        a.href = a.href.replace(utmParams,'');
    },
    amazon:function(a) {
        if (amazon.test(a.href.split('/')[2]))
            if (a.href.includes('/dp/')) a.href = cleanAmazonItemdp(a.href);
            else if (a.href.includes('/gp/product')) a.href = cleanAmazonItemgp(a.href);
            else if (a.href.includes('?')) a.href = cleanAmazonParams(a.href);
    },
    ebay:function(a) {
        if (ebay.test(a.href.split('/')[2]))
            if (a.href.includes('/itm/')) a.href = cleanEbayItem(a.href);
            else if (a.href.includes('/sch/')) a.href = cleanEbaySearch(a.href);
    },
    newegg:function(a) {
        var d=a.href.split('/')[2];
        if (a.href.includes('/Product/Product.aspx') && (d=='www.newegg.com'||d=='www.newegg.ca'))
            a.href = cleanNeweggItem(a.href);
    },
    google:function(a) {
        a.removeAttribute('onmousedown');
        linkCleaners.all(a);
    },
    youtube:function(a) {
        linkCleaners.all(a);
        a.classList.remove('yt-uix-redirect-link');
        a.classList.remove('spf-link');
        a.removeAttribute('data-sessionlink');
    },
    imdb:function(a){
        var d=a.href.split('/')[2];
        if (d=='www.imdb.com' && a.href.includes('?')) a.href = cleanImdb(a.href);
    }
};
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