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Play music on the browser without having to install Flash Player. Yes, I know why SWF bridges exist.
// ==UserScript==
// @name HTML5 thingie for Spotify Web Player
// @description Play music on the browser without having to install Flash Player. Yes, I know why SWF bridges exist.
// @author Swyter
// @namespace https://greasyfork.org/users/4813-swyter
// @match https://play.spotify.com/*
// @version 2016.01.30
// /* turns out we now need to run on frames too to make our flashless context menu copying mechanism work */ @noframes
// @icon https://i.imgur.com/LHkCkka.png
// @grant none
// @run-at document-start
// ==/UserScript==
/* it's random, trust me, I'm Sony! :) */
Object.defineProperty(window.Math, 'random',
{
configurable: false,
writable: false,
value: function(a) { return 0.1337; }
});
/* ZeroClipboard.js HTML5 shim, no ridiculous SWF overlay required, sneaky! */
Object.defineProperty(window, 'ZeroClipboard',
{
configurable: false,
writable: false,
value: function(e)
{
console.log("ZC constructor", arguments);
e.addEventListener('click', function (x)
{
x.preventDefault();
/* add a dummy input to our page, fill it with our text, select it,
copy it, remove our dummy item; voila, typical js kludge! */
input = document.createElement('input');
input.value = this.dataset.clipboardText;
document.body.appendChild(input);
input.select(); document.execCommand('copy');
document.body.removeChild(input);
console.log("ZC -> click", this, this.dataset.clipboardText, input, input.value);
});
return {
on: function(e, f)
{
console.log("ZC -> on", arguments, this, this.elem);
this.elem.addEventListener(e, f);
},
elem: e
};
}
});
ZeroClipboard.config = function(){ console.log("ZC -> config", arguments) };
/* SWFobject.js faker, sneaky! */
Object.defineProperty(window, 'swfobject',
{
configurable: false,
writable: false,
value:
{
getFlashPlayerVersion: function(){ console.log("-<-< getFlashPlayerVersion =>", arguments); return { major: 11, minor: 2, release: 202 }; },
hasFlashPlayerVersion: function(){ console.log("-<-< hasFlashPlayerVersion =>", arguments); return true; },
embedSWF: function(swf, parent_id, unk_a, unk_b, req_flash_ver, unk_c, properties)
{
console.log("-<-< embedSWF =>", arguments, arguments[9].toString(), this, properties);
/* create our audio player in substitution of the swf abobination */
var dummy = document.createElement("audio");
dummy.id = properties.id;
dummy["instanceid"] = properties.instanceId;
dummy.loop = false;
dummy.preload = 'auto';
dummy.autoplay = false;
dummy.volume = 1.0;
dummy.sp_run = function(proof) { console.log("-<-< sp_run =>", arguments); return unsafeWindow.proof; };
dummy.sp_hasSound = function() { return true };
dummy.sp_load = function(player_id, raw_uri, options)
{
/* for some reason we have to massage the url format to remove the 'mp3:' protocol
prefix from the uri, and the '/cfx/st' from the server string */
// uri : "mp3:/mp3/6b381db769d31beb544ba67eb7cbc3ce4fc8ab4c.mp3?Expires=1450045402&Signature=dgvyYa~K2P-v6ArrdVBmRxAF44JTJhpk6PJqQXzHbMOmtcHw~eY~E1C0GgviL~O63-EhejMzCB~dLjlgaug-TQej8mCjvroY8crd776GRsBx0AJz4pnp3ZH03T3PnUecBHRwMrg28pjAbi1xWmuybyNvwWpitB9Q~hiCKxMzUhnXRjqpWJKZVrLDY7~iXB2GlptZNz8RZoapexeEkNA2kgjnYXk4JTe4CNTdRSmn~Uf9YHvxJdA4ttlRfDt353eSxCDTXKQdA7GkEBTKJfDvN6NgXyw8~Tm8tBHk9VYYn7jZMLYckwqi3OJAonof2SZZlHZoepgympEYxK8BdkvZMg__&Key-Pair-Id=APKAJXKSII4ED2EOGZZA"
// options.server: "http://dsu0uct5x2puz.cloudfront.net/cfx/st"
var uri = options.server.match(/(.+\/\/[^\/]+?)\//)[1] + raw_uri.split(":")[1];
console.log("sp_load =>", uri, arguments, this);
this.src = uri;
if (options.startFrom !== 0)
this.currentTime = Math.floor(0.001 * options.startFrom);
if (options.autoplay)
this.play();
console.log(this.paused)
unsafeWindow.Spotify.Instances.get(this.instanceid).audioManager.getPlayerById(player_id).trigger('LOAD', {}, {id: player_id});
};
/* dummy functions after __noSuchMethod__ was deprecated in Firefox 44 */
dummy.sp_initializePlayerById = function(player_id) { console.log("=> sp_initializePlayerById", arguments); };
dummy.sp_stop = function(player_id) { console.log("=> sp_stop", arguments); };
/* actual reimplementations of functions that embody the internal SWF interface */
dummy.sp_setVolume = function(player_id, vol) { console.log("=> volume", arguments); if (player_id == "main:A" && vol !== 0) this.volume = vol };
dummy.sp_getVolume = function(player_id, vol) { console.log("=> golume", arguments); if (player_id == "main:A" && vol !== 0) return parseFloat(this.volume); else return 0 };
dummy.sp_seek = function(player_id, pos) { console.log("=> seek", arguments); this.currentTime = Math.floor(0.001 * pos) };
dummy.sp_pause = function(player_id) { console.log("=> pause", arguments); this.pause() };
dummy.sp_resume = function(player_id) { console.log("=> pause", arguments); this.play() };
dummy.sp_playerState = function(player_id)
{
return {
volume: this.volume,
position: Math.floor(1000 * this.currentTime),
duration: Math.floor(1000 * this.duration),
isPlaying: !this.paused,
isStopped: false,
isPaused: this.paused
};
};
dummy.sp_addPlayer = function(player_index, player_id, player_protocol)
{
if (player_id != "main:A")
return;
var sp_html5_event_listeners =
{
canplay: 'LOAD',
playing: 'PLAYING',
pause: 'PAUSED',
ended: 'TRACK_ENDED',
durationchange: 'DURATION',
progress: 'PROGRESS',
error: 'PLAYBACK_FAILED'
};
function sp_html5_generic_callback(e)
{
console.log("sp html5 audio «" + e.type + "» event", e, sp_html5_event_listeners[e.type]);
var ret;
switch(sp_html5_event_listeners[e.type])
{
case 'DURATION':
ret = {duration: Math.floor(1000 * this.duration)};
break;
case 'PROGRESS':
ret = {position: Math.floor(1000 * this.currentTime)};
break;
default:
ret = {};
}
unsafeWindow.Spotify.Instances.get(this.instanceid).audioManager.getPlayerById(player_id).trigger(sp_html5_event_listeners[e.type], ret, {id: player_id});
}
for (var i_event in sp_html5_event_listeners)
this.addEventListener(i_event, sp_html5_generic_callback);
return true;
};
dummy.__noSuchMethod__ = function(name, params) { console.log('==>>== > invalid function call', name, params); };
/* necessary for the spotify framework to find it in the right place */
window.document[properties.id] = dummy;
/* insert our dummy audio player in the requested element */
document.getElementById(parent_id).appendChild(dummy);
/* tell the spotify framework that the swf embed is ready */
arguments[9].apply(this, [{success: true}]);
// act as the swf bridge and tell it that the Flash-backend is ready
// JSInterface.notify(ApplicationEvents.READY,null,1);
//Spotify.Instances.get(properties.instanceId).audioManager.getInterface()._triggerDeferred('FLASH_AVAILABLE', null);
Spotify.Instances.get(properties.instanceId).audioManager.getInterface()._triggerDeferred('READY', null);
console.log("AUDIOMANAGER-INTERFACE", properties.id, window.document[properties.id], Spotify.Instances.get(properties.instanceId).audioManager.getInterface(),
Spotify.Instances.get(properties.instanceId).audioManager.getInterface().hasSound());
}
}
});
function when_external_loaded()
{
// ---
function get_pong(ping)
{
// http://crossorigin.me/http://ping-pong.spotify.nodestuff.net/64-104-120-204-164-75-214-221-224-109-28-127-73-236-239-150-88-238-177-90
console.log("ping-pong", ping);
var xhr = new XMLHttpRequest();
xhr.open("GET", "https://crossorigin.me/http://ping-pong.spotify.nodestuff.net/" + ping.replace(/ /g,"-"), true);
xhr.responseType = "json";
xhr.onloadend = function()
{
if (xhr.readyState != xhr.DONE)
return;
console.log("pong", xhr);
window.proof = xhr.response.pong.replace(/-/g," ");
if (!sp_ws)
return;
sp_ws.send(`{"id":` + (window.proof_id || 2) + `,"name":"sp/pong_flash2","args":["` + window.proof + `"]}`);
//sp_ws.send(`{"id":2,"name":"sp/work_done","args":["undefined"]}`);
}
xhr.send();
}
/* wait until the page is ready for the code snippet to run */
document.addEventListener('DOMContentLoaded', function()
{
console.log("!!! DOMContentLoaded");
WebSocket.prototype.sond = WebSocket.prototype.send;
WebSocket.prototype.send = function(msg)
{
window.sp_ws = this;
if (this.onmessage && this.sucks !== true)
{
callback = this.onmessage;
console.log("orig prev callback:", callback);
this.onmessage = function(message)
{
var json_msg = JSON.parse(message.data);
if (json_msg && json_msg.message && json_msg.message[0] == 'ping_flash2' && json_msg.message[1])
{
console.log("getting preventive pong", json_msg);
get_pong(json_msg.message[1]);
}
//if (json_msg.id === window.last_track_msg)
console.info("<- ws recv: ", window.last_track_msg, message.data);
//if (json_msg && json_msg.result && json_msg.result.uri)
//open(json_msg.result.uri);
callback(message);
}
this.sucks = true;
}
var json_msg = JSON.parse(msg);
// block the flash pong reply until we have the correct reply for the challenge
if (typeof window.proof !== "string" && json_msg && (json_msg.name == 'sp/pong_flash2')) // || json_msg.name == 'sp/work_done'))
{
console.info("-> blocking sent message until we have challenge: ", json_msg.id, msg);
window.proof_id = json_msg.id;
return;
}
// get the http link instead or rtmp, thankies!
if (json_msg && json_msg.name == 'sp/track_uri')
{
arguments[0] = msg.replace(',"rtmp"', '');
window.last_track_msg = json_msg.id;
console.info("-> ws send: ", json_msg.id, msg);
}
//dec_msg = json_msg.name === 'sp/hm_b64' ? atob(json_msg.args[0]) : null;
console.info("-> ws send: ", msg); //json_msg, dec_msg);
//if (json_msg.name !== 'sp/log')
return WebSocket.prototype.sond.apply(this, arguments);
}
});
// ---
}
if (window != window.parent)
throw "This should only execute in the main context frame...";
/* inject this cleaning function right in the page to avoid silly sandbox-related greasemonkey limitations */
window.document.head.appendChild(
inject_fn = document.createElement("script")
);
inject_fn.innerHTML = '(' + when_external_loaded.toString() + ')()';