Simple media download script
目前为
// ==UserScript==
// @name Inject2Download
// @namespace http://lkubuntu.wordpress.com/
// @version 0.1
// @description Simple media download script
// @author Anonymous Meerkat
// @include *
// @grant none
// @run-at document-start
// ==/UserScript==
(function() {
"use strict";
// Helper functions
function show_url(namespace, url, description) {
if (!description)
description = "";
var newurl = decodeURIComponent(url);
var text = "[" + namespace + "] " + description + ": ";
console.log(text + newurl);
var el = document.getElementById("i2d-popup");
if (!el) {
el = document.createElement("div");
//el.style.position = "absolute";
el.style.width = "max(60%, 100em)";
el.style.height = "max(60%, 100em)";
el.style.maxWidth = "100%";
el.style.maxHeight = "100%";
el.style.background = "white";
el.style.top = "0px";
el.style.left = "0px";
el.style.zIndex = 999999;
el.style.color = "black";
el.style.overflow = "scroll";
el.ondblclick = function() {
el.parentElement.removeChild(el);
};
el.innerHTML = "Double click to close<br />";
el.id = "i2d-popup";
document.body.appendChild(el);
}
el.innerHTML += text + "<a href='" + newurl + "'>" + newurl + "</a><br />";
// XXX: why is this needed? test: http://playbb.me/embed.php?w=718&h=438&vid=at/nw/flying_witch_-_01.mp4, animeplus.tv
document.body.removeChild(el);
el.style.position = "absolute";
document.body.appendChild(el);
}
// Injecting functions
var get_script_str = function(f) {
return f.toString().replace(/^function.*{|}$/g, '');
};
function add_script(s, el) {
var script_body = "(function() {\n" + s + "\n})();";
var myscript = document.createElement('script');
myscript.className = "i2d";
myscript.innerHTML = script_body;
if (el) {
el.appendChild(myscript);
} else {
document.head.appendChild(myscript);
}
}
function inject(variable, newvalue) {
console.log("[i2d] injecting " + variable);
add_script(show_url.toString() + "\n" +
"if (!(" + variable + ".INJECTED)) {\n" +
"var oldvariable = window." + variable + ";\n" +
"var oldvariable_keys = Object.keys(oldvariable);\n" +
"window." + variable + " = " + newvalue.toString() + ";\n" +
"for (var i = 0; i < oldvariable_keys.length; i++) {\n" +
" window." + variable + "[oldvariable_keys[i]] = oldvariable[oldvariable_keys[i]];\n" +
"}\n" +
"window." + variable + ".INJECTED = true;\n" +
"}");
}
// Main code
function i2d_main(e) {
if (e) {
if (!e.tagName || e.tagName.toLowerCase() !== "script")
return;
if ((e.className === "i2d")) {
return;
}
}
if ("soundManager" in unsafeWindow && !unsafeWindow.soundManager.INJECTED) {
inject("soundManager.createSound", function(arg1, arg2) {
if (typeof arg1 === "string")
show_url("soundManager", arg2);
else
show_url("soundManager", arg1.url);
return oldvariable.apply(this, arguments);
});
}
if ("jwplayer" in unsafeWindow && !unsafeWindow.jwplayer.INJECTED) {
inject("jwplayer", function() {
var result = oldvariable.apply(this, arguments);
var old_jwplayer_setup = result.setup;
result.setup = function() {
if (typeof arguments[0] === "object") {
var x = arguments[0];
if ("file" in x) {
show_url("jwplayer", x.file);
}
if ("streamer" in x) {
show_url("jwplayer", x.streamer, "stream");
}
if ("modes" in x) {
for (var i = 0; i < x.modes.length; i++) {
// TODO: support more?
if ("type" in x.modes[i] && x.modes[i].type === "html5") {
if ("config" in x.modes[i] && "file" in x.modes[i].config) {
show_url("jwplayer", x.modes[i].config.file);
}
}
}
}
var check_sources = function(x) {
if ("sources" in x) {
if (x.sources instanceof Array) {
for (var i = 0; i < x.sources.length; i++) {
if (!("file" in x.sources[i]))
continue;
if ("label" in x.sources[i])
show_url("jwplayer", x.sources[i].file, x.sources[i].label);
else
show_url("jwplayer", x.sources[i].file);
}
} else {
if ("file" in x.sources)
show_url("jwplayer", x.sources.file);
}
}
}
check_sources(x);
if ("playlist" in x && x.playlist instanceof Array) {
for (var i = 0; i < x.playlist.length; i++) {
check_sources(x.playlist[i]);
}
}
}
return old_jwplayer_setup.apply(this, arguments);
};
return result;
});
}
if ("flowplayer" in unsafeWindow && !unsafeWindow.flowplayer.INJECTED) {
inject("flowplayer", function() {
if (arguments.length >= 3 && typeof arguments[2] === "object") {
if ("clip" in arguments[2] && "url" in arguments[2].clip) {
show_url("flowplayer", arguments[2].clip.url);
}
if ("playlist" in arguments[2] && arguments[2].playlist instanceof Array) {
for (var i = 0; i < arguments[2].playlist.length; i++) {
if ("url" in arguments[2].playlist[i]) {
var oururl = arguments[2].playlist[i].url;
if (!oururl.match(/\.xml$/))
show_url("flowplayer", oururl);
}
if ("bitrates" in arguments[2].playlist[i]) {
var bitrates = arguments[2].playlist[i].bitrates;
for (var j = 0; j < bitrates.length; j++) {
if ("url" in bitrates[j]) {
var description = "";
if (bitrates[j].isDefault)
description += "default:";
if (bitrates[j].sd)
description += "sd:";
if (bitrates[j].hd)
description += "hd:";
if (bitrates[j].bitrate)
description += bitrates[j].bitrate;
show_url("flowplayer", bitrates[j].url, description);
}
}
}
}
}
}
var result = oldvariable.apply(this, arguments);
if (!result)
return result;
var old_fplayer_addclip = result.addClip;
result.addClip = function() {
if (arguments.length > 0 && typeof arguments[0] === "object" && "url" in arguments[0])
show_url("flowplayer", arguments[0].url);
return old_fplayer_addclip.apply(this, arguments);
};
return result;
});
inject("$f", function() {return flowplayer.apply(this, arguments)});
}
if ("videojs" in unsafeWindow && !unsafeWindow.videojs.INJECTED) {
inject("videojs", function() {
if (arguments.length > 0 && typeof arguments[0] === "string") {
var my_el = document.getElementById(arguments[0]);
if (!my_el)
my_el = document.querySelector(arguments[0]);
if (my_el) {
if (my_el.src) {
show_url("videojs", my_el.src);
}
for (var i = 0; i < my_el.children.length; i++) {
if (my_el.children[i].tagName.toLowerCase() === "source") {
if (my_el.children[i].src) {
show_url("videojs", my_el.children[i].src, my_el.children[i].getAttribute("label"));
}
}
}
}
}
var result = oldvariable.apply(this, arguments);
var old_videojs_src = result.src;
result.src = function() {
if (arguments.length > 0 && typeof arguments[0] === "object") {
if ("src" in arguments[0]) {
show_url("videojs", arguments[0].src);
}
}
return old_videojs_src.apply(this, arguments);
};
return result;
});
add_script(show_url.toString() +
get_script_str(function() {
document.addEventListener("DOMContentLoaded", function() {
var els = document.getElementsByClassName("video-js");
for (var i = 0; i < els.length; i++) {
var my_el = els[i];
if (my_el.tagName.toLowerCase() === "video") {
if (!my_el.getAttribute('data-setup')) {
continue;
}
if (my_el.src) {
show_url("videojs", my_el.src);
}
for (var i = 0; i < my_el.children.length; i++) {
if (my_el.children[i].tagName.toLowerCase() === "source") {
if (my_el.children[i].src) {
show_url("videojs", my_el.children[i].src, my_el.children[i].getAttribute("label"));
}
}
}
}
}
});
}));
}
}
i2d_main();
window.addEventListener("afterscriptexecute", function(e) {
i2d_main(e.target);
});
})();
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