Attempts to fix broken images by replacing them with working timestamps based on JSON results
当前为
// ==UserScript==
// @name Wayback Machine Image Fixer
// @namespace DoomTay
// @description Attempts to fix broken images by replacing them with working timestamps based on JSON results
// @include http://web.archive.org/web/*
// @include https://web.archive.org/web/*
// @include http://wayback.archive.org/web/*
// @include https://wayback.archive.org/web/*
// @exclude /\*/
// @exclude *.jpg
// @exclude *.jpeg
// @exclude *.png
// @exclude *.gif
// @exclude *.bmp
// @version 1.4.2
// @grant GM_xmlhttpRequest
// ==/UserScript==
var pics = document.images;
var embeds = document.embeds;
var backgrounds = document.querySelectorAll("[background]");
function specialUses(pic)
{
var imgRef;
if(pic.src) imgRef = pic.src;
else if(pic.background) imgRef = relativeToAbsolute(pic.background);
else if(pic.getAttribute("background")) imgRef = relativeToAbsolute(pic.getAttribute("background"));
var specialCases = [{domain:"northarc.com/images/unsorted/",replacements:[imgRef.replace("thumb.","tn_"),imgRef.replace("thumb.","")],maxDimensions:{width:100,height:80},tags:"before"},
{domain:"*",replacements:["data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="],condition:imgRef.indexOf("spacer.gif") > -1 || imgRef.indexOf("blank.gif") > -1,tags:"after"},
{domain:"akamai.net",replacements:["http://" + imgRef.substring(imgRef.indexOf("/www") + 1)],tags:"after"},
{domain:"tinypic.com/",replacements:[imgRef.replace("/i","/oi")],tags:"after"},
{domain:"logitech.com",replacements:["http://www.logitech.com/logitech/new6-1.gif"],condition:imgRef.indexOf("home_header.gif") > -1,tags:"before"},
{domain:"iridion2.com",replacements:[imgRef + ".gif"],condition:imgRef.indexOf("images/avatars") > -1 && imgRef.indexOf(".gif") == -1 && imgRef.indexOf(".jpg") == -1,tags:"after"},
{domain:"logitech.com",replacements:["http://www.logitech.com/logitech/new6-3.gif"],condition:imgRef.indexOf("home_footer.gif") > -1,tags:"before"},
{domain:"logitech.com",replacements:["http://www.logitech.com/logitech/prod_row.gif"],condition:imgRef.indexOf("Images/main_navigator.gif") > -1,tags:"before"},
{domain:"logitech.com",replacements:["http://www.logitech.com/logitech/al1.gif"],condition:imgRef.indexOf("Images/navigator.gif") > -1,tags:"before"},
{domain:"logitech.com",replacements:["http://www.logitech.com/logitech/msensa.gif"],condition:imgRef.indexOf("Images/mmsensa.gif") > -1,tags:"before"},
{domain:"half-life.com",replacements:[imgRef.replace("half-life.com","half-life2.com")],tags:"after"},
{domain:"half-life2.com",replacements:[imgRef.replace("half-life2.com","half-life.com")],tags:"after"},
{domain:"*",replacements:["http://www.surpara.com/img/ban/sp.gif","http://www.surpara.com/img/ban/sp2.gif","http://www.surpara.com/img/ban/sp3.gif","http://www.surpara.com/img/ban/sp4.gif","http://www.surpara.com/img/ban/sp5.gif","http://www.surpara.com/img/ban/sp6.gif","http://www.surpara.com/img/ban/sp7.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("surpara.com"),tags:"random,after"},
{domain:"*",replacements:["http://www.gameha.com/gameha_m.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("gameha.com"),tags:"after"},
{domain:"*",replacements:["http://www.oekaki.net/img/bn2_1.gif","http://www.oekaki.net/img/bn2_2.gif","http://www.oekaki.net/img/bn2_3.gif","http://www.oekaki.net/img/bn2_4.gif","http://www.oekaki.net/img/bn2_5.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("oekaki.net"),tags:"random,after"},
{domain:"*",replacements:["http://brandk.net/search/img2/s_bnr_11.jpg","http://brandk.net/search/img2/s_bnr_10.jpg","http://brandk.net/search/img2/s_bnr_08.jpg","http://brandk.net/search/img2/s_bnr_04.jpg","http://brandk.net/search/img2/s_bnr_01.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("brandk.net"),tags:"random,after"},
{domain:"*",replacements:["http://ragsearch.com/bana/banas.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("ragsearch.com"),tags:"after"},
{domain:"*",replacements:["http://celest.pobox.ne.jp/links/imgs/bn88.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("celest.pobox.ne.jp"),tags:"after"},
{domain:"*",replacements:["http://blue.sakura.ne.jp/~real/images/bana/s-01.gif","http://blue.sakura.ne.jp/~real/images/bana/s-02.gif","http://blue.sakura.ne.jp/~real/images/bana/s-03.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("http://blue.sakura.ne.jp/~real"),tags:"after,random"},
{domain:"*",replacements:["http://www5.kiwi-us.com/~l-leaf/banners.gif","http://www5.kiwi-us.com/~l-leaf/banner01s.jpg","http://www5.kiwi-us.com/~l-leaf/banner02s.gif","http://www5.kiwi-us.com/~l-leaf/banner04s.gif","http://www5.kiwi-us.com/~l-leaf/banner06s.jpg","http://www5.kiwi-us.com/~l-leaf/banner07s.gif","http://www5.kiwi-us.com/~l-leaf/banner08s.jpg","http://www5.kiwi-us.com/~l-leaf/banner09s.gif","http://www5.kiwi-us.com/~l-leaf/banner10s.jpg","http://www5.kiwi-us.com/~l-leaf/banner11s.gif","http://www5.kiwi-us.com/~l-leaf/banner12s.jpg","http://www5.kiwi-us.com/~l-leaf/banner13s.gif","http://www5.kiwi-us.com/~l-leaf/banner14s.jpg","http://www5.kiwi-us.com/~l-leaf/banner15s.gif","http://www5.kiwi-us.com/~l-leaf/banner16s.gif","http://www5.kiwi-us.com/~l-leaf/banner17s.gif","http://www5.kiwi-us.com/~l-leaf/banner19s.gif","http://www5.kiwi-us.com/~l-leaf/banner34s.gif","http://www5.kiwi-us.com/~l-leaf/banner35s.gif","http://www5.kiwi-us.com/~l-leaf/banner36s.gif","http://www5.kiwi-us.com/~l-leaf/banner38s.gif","http://www5.kiwi-us.com/~l-leaf/banner41s.gif","http://www5.kiwi-us.com/~l-leaf/banner44s.gif","http://www5.kiwi-us.com/~l-leaf/banner00s.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("http://www5.kiwi-us.com/~l-leaf"),tags:"after,random"},
{domain:"*",replacements:["http://www.sea-links.ne.jp/banner/minicon.gif","http://www.sea-links.ne.jp/banner/static/minicon_miu1.gif","http://www.sea-links.ne.jp/banner/static/minicon_miu2.gif","http://www.sea-links.ne.jp/banner/static/minicon_miu3.gif","http://www.sea-links.ne.jp/banner/static/minicon_miu4.gif","http://www.sea-links.ne.jp/banner/static/minicon_miu5.gif","http://www.sea-links.ne.jp/banner/static/minicon.gif","http://www.sea-links.ne.jp/banner/static/minicon2.gif","http://www.sea-links.ne.jp/banner/static/boy_s.jpg","http://www.sea-links.ne.jp/banner/prince/minicon.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("www.sea-links.ne.jp"),tags:"after,random"},
{domain:"*",replacements:["http://www.interq.or.jp/red/pocky/cg2/bnavi001s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi003s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi004s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi007s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi008s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi009s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi010s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi011s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi012s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi013s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi014s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi016s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi017s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi018s.jpg","http://www.interq.or.jp/red/pocky/cg2/bnavi019s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi020s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi022s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi024s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi02s.gif","http://www.interq.or.jp/red/pocky/cg2/bnavi04s.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("www.interq.or.jp/red/pocky"),tags:"after,random"},
{domain:"*",replacements:["http://tinami.com/banner/s01.gif","http://tinami.com/banner/s02.gif","http://tinami.com/banner/s03.gif","http://tinami.com/banner/s04.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("tinami.com"),tags:"after,random"},
{domain:"*",replacements:["http://home.puni.to/net/8831.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("puni.to"),tags:"after"},
{domain:"*",replacements:["http://closedsky.com/graphic/meguribs.jpg","http://www.meguri.net/banner/maya.jpg","http://meguri.net/banner/meguri-mini1.gif","http://meguri.net/banner/meguri-mini3.gif","http://www.meguri.net/banner/meguri-mini5.gif","http://meguri.net/banner/meguri-mini7.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("meguri.net"),tags:"after,random"},
{domain:"*",replacements:["http://www.multiez.com/multi/banner/ban2_s.gif","http://www.multiez.com:80/banner/multi_br02.gif","http://www.multiez.com/multi/banner/multi_br04.gif","http://www.multiez.com/multi/banner/multi_br06.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("multiez.com"),tags:"after,random"},
{domain:"*",replacements:["http://www.amaterasu.jp/banner/mini_banner.gif","http://www.amaterasu.jp/banner/mini_banner20.gif","http://mimina.sakura.ne.jp/amaterasu/banner/mini_banner21.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("amaterasu.jp"),tags:"after,random"},
{domain:"*",replacements:["http://www.lovehina.to/~hina/8831naru.jpg","http://www.lovehina.to/~hina/8831shinobu.jpg","http://www.lovehina.to/~hina/8831motoko.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("lovehina.to/~hina"),tags:"after,random"},
{domain:"*",replacements:["http://www4.nasuinfo.or.jp/~kouichi/Link/buaner1.9.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("nasuinfo.or.jp/~kouichi"),tags:"after"},
{domain:"*",replacements:["http://itarunsearch.com/img/banner/itarun001_mini.jpg","http://itarunsearch.com/img/banner/itarun002_mini.jpg","http://itarunsearch.com/img/banner/itarun006_mini.jpg","http://itarunsearch.com/img/banner/itarun_c_mini.jpg","http://itarunsearch.com/img/banner/itarun_mii_mini.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("itarunsearch.com"),tags:"after,random"},
{domain:"*",replacements:["http://foxhunt.cx/tallyho0.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("foxhunt.cx/tallyho"),tags:"after"},
{domain:"*",replacements:["http://earth.endless.ne.jp/users/hibiki/banan.jpg","http://earth.endless.ne.jp/users/hibiki/ban1.jpg","http://earth.endless.ne.jp/users/hibiki/banan1.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("earth.endless.ne.jp/users/hibiki"),tags:"after,random"},
{domain:"*",replacements:["http://www.st-argo.co.jp/animap/banner/animap03.gif","http://www.st-argo.co.jp/animap/banner/animap04.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("st-argo.co.jp/animap"),tags:"after,random"},
{domain:"*",replacements:["http://www95.sakura.ne.jp/~b-search/bn/mini.gif","http://www95.sakura.ne.jp/~b-search/bn/mini_01.gif","http://www95.sakura.ne.jp/~b-search/bn/mini_02.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("www95.sakura.ne.jp/~b-search"),tags:"after,random"},
{domain:"*",replacements:["http://www.auxo.org/kaleidoscope/image/kaleidobana2.jpg","http://www.auxo.org/kaleidoscope/image/kaleidobana2.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("auxo.org/kaleidoscope"),tags:"after,random"},
{domain:"*",replacements:["http://sispulink.g-com.ne.jp/bn/sisterlink_m.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("sispulink.g-com.ne.jp"),tags:"after"},
{domain:"*",replacements:["http://www2.ocn.ne.jp/~all8324/bana_top/01_88.jpg","http://www2.ocn.ne.jp/~all8324/bana_/88_02.jpg","http://www2.ocn.ne.jp/~all8324/bana_/88_03.gif","http://www2.ocn.ne.jp/~all8324/bana_/88_04.jpg","http://www2.ocn.ne.jp/~all8324/bana_/88_05.gif","http://www2.ocn.ne.jp/~all8324/bana_/88_06.JPG","http://www2.ocn.ne.jp/~all8324/bana_/88_07.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("www2.ocn.ne.jp/~all8324"),tags:"after,random"},
{domain:"*",replacements:["http://orange.webdos.net/~irasuto/hina/bana88_01.gif","http://orange.webdos.net/~irasuto/bana_/09-88_31.jpg","http://orange.webdos.net/~irasuto/bana_/01-88_31.gif","http://orange.webdos.net/~irasuto/bana_/02-88_31.gif","http://orange.webdos.net/~irasuto/bana_/03-88_31.gif","http://orange.webdos.net/~irasuto/bana_/04-88_31.gif","http://orange.webdos.net/~irasuto/bana_/05-88_31.gif","http://orange.webdos.net/~irasuto/bana_/06-88_31.gif","http://orange.webdos.net/~irasuto/bana_/07-88_31.jpg","http://orange.webdos.net/~irasuto/bana_/08-88_31.gif","http://orange.webdos.net/~irasuto/bana_/10-88_31.jpg","http://orange.webdos.net/~irasuto/bana_2/12_88.jpg","http://orange.webdos.net/~irasuto/bana_2/13_88.jpg","http://orange.webdos.net/~irasuto/bana_2/14_88.gif","http://orange.webdos.net/~irasuto/bana_2/15_88.GIF","http://orange.webdos.net/~irasuto/bana_2/16_88.JPG"],condition:pic.width == 88 && pic.height == 31 && linksTo("orange.webdos.net/~irasuto"),tags:"after,random"},
{domain:"*",replacements:["http://wn.31rsm.ne.jp/~anikomi/anibana2.gif","http://wn.31rsm.ne.jp/~anikomi/anikomi-mini.gif","http://wn.31rsm.ne.jp/~anikomi/ani_m.jpg","http://wn.31rsm.ne.jp/~anikomi/anikomi88bana.jpg","http://wn.31rsm.ne.jp/~anikomi/bn-s..gif","http://wn.31rsm.ne.jp/~anikomi/anikomi_b2.gif","http://wn.31rsm.ne.jp/~anikomi/banner2.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("wn.31rsm.ne.jp/~anikomi"),tags:"after,random"},
{domain:"*",replacements:["http://wataru66.ktplan.ne.jp/jpg/fullmediabanar_1.gif","http://wataru66.ktplan.ne.jp/jpg/fms09.gif","http://wataru66.ktplan.ne.jp/jpg/fms10.gif","http://wataru66.ktplan.ne.jp/jpg/fms_88_31.gif","http://wataru66.ktplan.ne.jp/jpg/illust/fms11b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms12b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms13b.gif","http://wataru66.ktplan.ne.jp/jpg/illust/fms14b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms15b.gif","http://wataru66.ktplan.ne.jp/jpg/illust/fms16b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms17b.gif","http://wataru66.ktplan.ne.jp/jpg/illust/fms21b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms22b.gif","http://wataru66.ktplan.ne.jp/jpg/illust/fms23b.jpg","http://wataru66.ktplan.ne.jp/jpg/illust/fms25b.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("wataru66.ktplan.ne.jp"),tags:"after,random"},
{domain:"*",replacements:["http://www.silver-forest.com/bh-search/g/88-31.gif","http://www.silver-forest.com/bh-search/g/88-31a.gif","http://www.silver-forest.com/bh-search/g/88-31b.gif","http://www.silver-forest.com/bh-search/g/88-31c.gif","http://www.silver-forest.com/bh-search/g/88-31e.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("silver-forest.com"),tags:"after,random"},
{domain:"*",replacements:["http://www2m.biglobe.ne.jp/~msdos/ban_cgps.png"],condition:pic.width == 88 && pic.height == 31 && (linksTo("prettycg.com") || linksTo("www2m.biglobe.ne.jp/~msdos")),tags:"after"},
{domain:"*",replacements:["http://www.oisan.jp/bana/ban105.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("oisan.jp/search"),tags:"after"},
{domain:"*",replacements:["http://moechara.com/moemoe/mmsbm.png"],condition:pic.width == 88 && pic.height == 31 && (linksTo("moechara.com") || linksTo("character.moemoe.to")),tags:"after"},
{domain:"*",replacements:["http://www.e-r1.com/image/e-r_banner/e-r_mini2.jpg"],condition:pic.width == 88 && pic.height == 31 && linksTo("e-r1.com"),tags:"after"},
{domain:"*",replacements:["http://gamemichi.com/image/g_ban88_31.gif"],condition:pic.width == 88 && pic.height == 31 && linksTo("gamemichi.com"),tags:"after"},
{domain:"*",replacements:["http://www.toranoana.jp/icon/tora_bn.gif"],condition:pic.width == 200 && pic.height == 40 && linksTo("toranoana.jp"),tags:"after"},
{domain:"*",replacements:["http://www2.melonbooks.co.jp/img/banner.gif","http://www2.melonbooks.co.jp/img/banner2.gif","http://www2.melonbooks.co.jp/img/banner3.gif","http://www2.melonbooks.co.jp/img/banner4.gif"],condition:pic.width == 200 && pic.height == 40 && linksTo("shop.melonbooks.co.jp"),tags:"after,random"}];
var filteredCases = {};
filteredCases.replacements = [];
var tagScan = ["before","between","after"];
for(var t = 0; t < 3; t++)
{
if(t == 1) filteredCases.replacements = filteredCases.replacements.concat(imgRef);
else
{
for(var c = 0; c < specialCases.length; c++)
{
var additionalCondition = specialCases[c].condition !== undefined ? specialCases[c].condition : true;
if((imgRef.indexOf(specialCases[c].domain) > -1 || specialCases[c].domain == "*") && additionalCondition && specialCases[c].tags.indexOf(tagScan[t]) > -1)
{
if(specialCases[c].tags.indexOf("random") > -1) filteredCases.replacements = filteredCases.replacements.concat(specialCases[c].replacements[Math.floor(Math.random() * specialCases[c].replacements.length)]);
else filteredCases.replacements = filteredCases.replacements.concat(specialCases[c].replacements);
if(specialCases[c].maxDimensions) filteredCases.maxDimensions = specialCases[c].maxDimensions;
}
}
}
}
return filteredCases;
function linksTo(url)
{
return pic.parentNode.nodeName == "A" && pic.parentNode.href && decodeURI(pic.parentNode.href).indexOf(url) > -1;
}
}
var timestamp = /web\/(\d{1,14})/.exec(window.location.href)[1];
function replaceImage(target, altURLs)
{
var possibleUses = specialUses(target);
var URLGuesses = [];
if(altURLs && altURLs.length > 0) URLGuesses = altURLs;
else if(possibleUses.replacements.length > 0) URLGuesses = possibleUses.replacements;
else URLGuesses = [target.src || relativeToAbsolute(target.background) || relativeToAbsolute(target.getAttribute("background"))];
var testSet = [];
for(var p = 0; p < URLGuesses.length; p++)
{
if(URLGuesses[p].indexOf("http") > -1) testSet[p] = APITest(URLGuesses[p]);
else if(URLGuesses[p].indexOf("data:") > -1)
{
testSet[p] = Promise.resolve(URLGuesses[p]);
break;
}
}
Promise.all(testSet).then(function(value) {
for(var v = 0; v < value.length; v++)
{
if(value[v] !== null)
{
if(possibleUses.maxDimensions) switchWithResize(value[v], target, possibleUses.maxDimensions.width, possibleUses.maxDimensions.height);
else changeImage(value[v], target);
//There might have been an image map that had to be "patched" by one of my other scripts. The patch isn't needed anymore, so this will remove it
if(target.getAttribute("usemap") && document.body.querySelector("svg[class ~= " + target.getAttribute("usemap").substring(1) + "]"))
{
var SVGPatch = document.body.querySelector("svg[class ~= " + target.getAttribute("usemap").substring(1) + "]");
SVGPatch.parentNode.removeChild(SVGPatch);
};
return;
}
}
//Try and "expose" image links that are unclickable due to the image not loading
if(target.alt === "" && target.width === 0 && target.parentNode.nodeName === "A" && target.src)
{
target.width = 25;
target.height = 25;
//"Changing" the source is pretty hacky, but it's the only way I can think of to turn "invisible" image links into something clickable
target.src = target.src;
}
});
function APITest(replacement)
{
var subPromise = new Promise(function(resolve,reject) {
var originalURL = replacement.substring(replacement.lastIndexOf("http"));
GM_xmlhttpRequest({
url: "http://archive.org/wayback/available?url=" + originalURL + "×tamp=" + timestamp,
method: "GET",
headers: {"Accept": "application/json"},
onload: function(response) {
if(response.status == 503) reject(response.statusText + " for " + originalURL);
else if(JSON.parse(response.responseText).archived_snapshots.closest !== undefined)
{
//Evidently an additional layer of examination is needed to make absolutely sure we have an actual image
GM_xmlhttpRequest({
url: JSON.parse(response.responseText).archived_snapshots.closest.url,
method: "HEAD",
onload: function(secondResp) {
if(secondResp.responseHeaders.indexOf("Content-Type: text/html") == -1) resolve(this.url);
else resolve(null);
}
});
}
else resolve(null);
}
});
}).catch(function(e) { return APITest(replacement); });
return subPromise;
}
function switchWithResize(url, target, width, height)
{
var oldDimensions = {width:width, height: height};
changeImage(url, target);
target.onload = function() {
var aspectRatio = target.naturalWidth / target.naturalHeight;
if(target.naturalWidth >= target.naturalHeight)
{
target.width = oldDimensions.width;
target.height = oldDimensions.width / aspectRatio;
}
else if(target.naturalWidth <= target.naturalHeight)
{
target.height = oldDimensions.height;
target.width = oldDimensions.height * aspectRatio;
}
};
}
function changeImage(url, target)
{
if(target.src) target.src = url;
else if(target.background) target.background = url;
}
}
function relativeToAbsolute(bgURL)
{
var img = new Image();
img.src = bgURL;
if(img.src == window.location.href) return undefined;
else return img.src;
}
function evaluateImage(pic)
{
var imgRef;
if(pic.src) imgRef = pic.src;
else if(pic.background) imgRef = relativeToAbsolute(pic.background);
else if(pic.getAttribute("background")) imgRef = relativeToAbsolute(pic.getAttribute("background"));
GM_xmlhttpRequest({
url: imgRef,
method: "GET",
onload: function(response) {
//Going off of response code is unreliable. Sometimes an image will return a status code of 200 even though it would redirect to an error page should you view the image directly, so we're looking at content type instead
if(response.responseHeaders.indexOf("Content-Type: text/html") > -1)
{
//This might be a case where if you were visit the image directly, you would be redirected elsewhere. This attempts to catch that and replace the pic's src with where it would take you.
var doc = document.implementation.createHTMLDocument("Possible Replacement");
doc.documentElement.innerHTML = response.responseText;
if(doc.getElementsByClassName("impatient")[0])
{
GM_xmlhttpRequest({
url: doc.getElementsByClassName("impatient")[0].firstChild.href,
method: "HEAD",
onload: function(response) {
//Going off of response code is unreliable. Sometimes an image will return a status code of 200 even though it would redirect to an error page should you view the image directly, so we're looking at content type instead
if(response.responseHeaders.indexOf("Content-Type: text/html") == -1)
{
replaceImage(pic,[doc.getElementsByClassName("impatient")[0].firstChild.href]);
}
else
{
replaceImage(pic);
}
}
});
}
else
{
replaceImage(pic);
}
}
}
});
}
for(var i = 0; i < pics.length; i++)
{
//Skip over stuff related to the Wayback Machine toolbar and data URIs
if((document.getElementById("wm-ipp") && document.getElementById("wm-ipp").contains(pics[i])) || pics[i].src.indexOf("data:") > -1) continue;
if(pics[i].src.indexOf("ttp://") === 0) pics[i].src = "web.archive.org/web/" + timestamp + "/h" + pics[i].src;
evaluateImage(pics[i]);
}
for(var e = 0; e < embeds.length; e++)
{
evaluateImage(embeds[e]);
}
for(var b = 0; b < backgrounds.length; b++)
{
if(!(backgrounds[b].background||backgrounds[b].getAttribute("background"))) continue;
evaluateImage(backgrounds[b]);
}