Fixes encoded ampersands on Wayback Machine's captures graph and problems that arise when trailing slashes are missing in an URL and other small issues universally present in all crawled sites
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// ==UserScript==
// @name Wayback Machine Small Bug Fixes
// @namespace DoomTay
// @description Fixes encoded ampersands on Wayback Machine's captures graph and problems that arise when trailing slashes are missing in an URL and other small issues universally present in all crawled sites
// @version 1.2.6
// @include http://web.archive.org/web/*
// @include http://wayback.archive.org/web/*
// @include https://web.archive.org/web/*
// @include https://wayback.archive.org/web/*
// @run-at document-start
// @exclude /\*/
// @grant none
// ==/UserScript==
var toolbarNav = document.getElementById("wm-graph-anchor");
var lastFolder = window.location.href.substring(window.location.href.lastIndexOf("/") + 1);
var pics = document.images;
var backgrounds = document.querySelectorAll("[background]");
var shouldHaveTrailingSlash = (window.location.href.lastIndexOf(".") < window.location.href.lastIndexOf("/") || window.location.href.substring(window.location.href.lastIndexOf("//") + 2) == lastFolder) && lastFolder.indexOf("?") == -1;
var hasTrailingSlash = window.location.href.lastIndexOf("/") == window.location.href.length - 1;
var domain = window.location.href.substring(0,window.location.href.indexOf("/",window.location.href.lastIndexOf("//") + 2));
function fixToolbar()
{
while(toolbarNav.href.indexOf("&") > -1) toolbarNav.href = toolbarNav.href.replace("&","&");
}
//Fix cases of & in the capture graph
if(toolbarNav) fixToolbar();
if(!document.getElementsByTagName("base")[0])
{
var base = document.createElement("base");
if(shouldHaveTrailingSlash && !hasTrailingSlash) base.href = window.location.href + "/";
else if((!hasTrailingSlash && !shouldHaveTrailingSlash) || hasTrailingSlash) base.href = document.baseURI;
else base.href = domain + "/";
document.head.appendChild(base);
}
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;
//Refresh images in case the "base url" had to be modified.
pics[i].src = pics[i].src;
//For whatever reason, some images will point to within Internet Archive's "main" servers, instead of the crawled site. This attempts to fix that.
if(pics[i].src.indexOf(document.domain + "/web") == -1) pics[i].src = domain.substring(0,domain.indexOf("/http") + 1) + pics[i].src.substring(pics[i].src.indexOf("/http") + 1);
}
for(var b = 0; b < backgrounds.length; b++)
{
var bg = backgrounds[b].background || backgrounds[b].getAttribute("background");
//Skip over stuff related to the Wayback Machine toolbar and data URIs
if((document.getElementById("wm-ipp") && document.getElementById("wm-ipp").contains(backgrounds[b])) || bg.indexOf("data:") > -1) continue;
//Refresh images in case the "base url" had to be modified.
changeBackground(backgrounds[b],bg);
//For whatever reason, some images will point to within Internet Archive's "main" servers, instead of the crawled site. This attempts to fix that.
if(relativeToAbsolute(bg).indexOf(document.domain + "/web") == -1)
{
var absoluteBG = relativeToAbsolute(bg)
changeBackground(backgrounds[b],domain.substring(0,domain.indexOf("/http") + 1) + absoluteBG.substring(absoluteBG.indexOf("/http") + 1));
}
}
function relativeToAbsolute(bgURL)
{
var img = new Image();
img.src = bgURL;
return img.src;
}
function changeBackground(node, newBackground)
{
if(node.background) node.background = newBackground;
else if(backgrounds[b].getAttribute("background")) backgrounds[b].setAttribute("background",newBackground);
}
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if(mutation.target.id == "wm-graph-anchor") toolbarNav = mutation.target;
if(mutation.type == "attributes" && mutation.target == toolbarNav) fixToolbar();
if(mutation.target.nodeName == "IMG" && mutation.attributeName == "src" && mutation.target.src.indexOf(document.domain + "/web") == -1)
{
mutation.target.src = domain.substring(0,domain.indexOf("/http") + 1) + mutation.target.src.substring(mutation.target.src.indexOf("/http") + 1);
}
if(mutation.attributeName == "background" && (mutation.target.getAttribute("background") || mutation.target.background).indexOf(document.domain + "/web") == -1)
{
var bg = mutation.target.background || mutation.target.getAttribute("background");
var absoluteBG = relativeToAbsolute(bg);
changeBackground(mutation.target,domain.substring(0,domain.indexOf("/http") + 1) + absoluteBG.substring(absoluteBG.indexOf("/http") + 1));
}
});
});
var config = { attributes: true, childList: true, characterData: true, subtree: true };
observer.observe(document.body || document, config);