Inject2Download

Simple media download script

Versione datata 06/09/2016. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         Inject2Download
// @namespace    http://lkubuntu.wordpress.com/
// @version      0.2.5.4
// @description  Simple media download script
// @author       Anonymous Meerkat
// @include      *
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    "use strict";

    var twitter_injected = false;
    var vine_injected = false;

    // Helper functions
    function i2d_show_url(namespace, url, description) {
        function get_absolute_url(url) {
            var a = document.createElement('a');
            a.href = url;
            return a.href;
        }

        if (!description)
            description = "";

        if (typeof url !== "string" || url.replace("\s", "").length === 0)
            return;

        if (url.match(/^mediasource:/))
            return;

        url = get_absolute_url(url);

        if (!("i2d_url_list" in window))
            window.i2d_url_list = [];

        for (var i = 0; i < i2d_url_list.length; i++) {
            if (i2d_url_list[i][0] === namespace &&
                i2d_url_list[i][1] === url &&
                i2d_url_list[i][2] === description)
                    return;
        }


        i2d_url_list.push([namespace, url, description]);

        var newurl = decodeURIComponent(url);

        var text = "[" + namespace + "] " + description + ": ";

        console.log("[i2d] " + 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 + "' style='color:blue'>" + 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, aliases) {
        console.log("[i2d] injecting " + variable);
        if (!aliases)
            aliases = [];

        add_script(i2d_show_url.toString() + "\n" +
                   "if (!(window." + 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" +
                   "var aliases = " + JSON.stringify(aliases) + ";\n" +
                   "for (var i = 0; i < aliases.length; i++) {\n" +
                   "    if (aliases[i] in window && window[aliases[i]] == oldvariable)" +
                   "        window[aliases[i]] = window." + variable + "\n" +
                   "}\n" +
                   "}");
    }

    function jquery_plugin_exists(name) {
        if (!("jQuery" in window) ||
            !("fn" in window.jQuery) ||
            !(name in window.jQuery.fn))
            return false;

        return true;
    }

    function inject_jquery_plugin(name, value) {
        if (!jquery_plugin_exists(name) ||
            window.jQuery.fn[name].INJECTED)
            return;

        inject("jQuery.fn." + name, value);
    }

    function i2d_onload(f) {
        if (document.readyState === "loading") {
            document.addEventListener("DOMContentLoaded", f);
        } else {
            f();
        }
    }


    // Main code
    function i2d_main(e) {
        if (e) {
            if (!e.tagName || e.tagName.toLowerCase() !== "script")
                return;
            if ((e.className === "i2d")) {
                return;
            }
        }

        if ("soundManager" in window && !window.soundManager.INJECTED) {
            inject("soundManager.createSound", function(arg1, arg2) {
                if (typeof arg1 === "string")
                    i2d_show_url("soundManager", arg2);
                else
                    i2d_show_url("soundManager", arg1.url);

                return oldvariable.apply(this, arguments);
            });
        }

        if ("jwplayer" in window && !window.jwplayer.INJECTED) {
            inject("jwplayer", function() {
                var result = oldvariable.apply(this, arguments);

                var check_sources = function(x) {
                    if (typeof x === "object") {
                        if (x instanceof Array) {
                            for (var i = 0; i < x.length; i++) {
                                check_sources(x[i]);
                            }
                            return;
                        }

                        var label = "";

                        if ("title" in x)
                            label += "[" + x.title + "]";

                        if ("label" in x)
                            label += "[" + x.label + "]";

                        if ("streamer" in x) {
                            i2d_show_url("jwplayer", x.streamer, "[stream]" + label);
                        }

                        if ("file" in x) {
                            i2d_show_url("jwplayer", x.file, label);
                        }

                        if ("sources" in x) {
                            check_sources(x.sources);
                        }

                        if ("playlist" in x) {
                            check_sources(x.playlist);
                        }
                    } else if (typeof x === "string") {
                        i2d_show_url("jwplayer", x);
                    }
                };

                if ("setup" in result) {
                    var old_jwplayer_setup = result.setup;
                    result.setup = function() {
                        if (typeof arguments[0] === "object") {
                            var x = arguments[0];

                            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) {
                                            check_sources(x.modes[i].config);
                                        }
                                    }
                                }
                            }

                            check_sources(x);
                        }

                        return old_jwplayer_setup.apply(this, arguments);
                    };
                }

                if ("load" in result) {
                    var old_jwplayer_load = result.load;
                    result.load = function() {
                        check_sources(arguments[0]);
                        return old_jwplayer_load.apply(this, arguments);
                    };
                }

                if ("on" in result) {
                    result.on('playlistItem', function(item) {
                        check_sources(item.item);
                    });

                    var old_jwplayer_on = result.on;
                    result.on = function() {
                        if (arguments[0] === "adBlock")
                            return;

                        return old_jwplayer_on.apply(this, arguments);
                    };
                }

                return result;
            });
        }

        if ("flowplayer" in window && !window.flowplayer.INJECTED) {
            inject("flowplayer", function() {
                var obj_baseurl = null;
                var els = [];

                function get_url(x) {
                    x = decodeURIComponent(x);

                    if (obj_baseurl) {
                        if (x.match(/^[a-z]*:\/\//)) {
                            return x;
                        } else {
                            return obj_baseurl + "/" + x;
                        }
                    } else {
                        return x;
                    }
                }

                function check_sources(x, els, label) {
                    if (typeof x === "string") {
                        if (!x.match(/\.xml$/))
                            i2d_show_url("flowplayer", get_url(x), label);

                        return;
                    }

                    if (x instanceof Array) {
                        for (var i = 0; i < x.length; i++) {
                            check_sources(x[i], els, label);
                        }
                        return;
                    }

                    if (typeof x !== "object")
                        return;

                    label = "";

                    if ("title" in x)
                        label += "[" + x.title + "]";

                    if ("clip" in x) {
                        if ("baseUrl" in x.clip) {
                            obj_baseurl = x.clip.baseUrl;

                            for (var i = 0; i < els.length; i++) {
                                els[i].i2d_baseurl = obj_baseurl;
                            }
                        }

                        check_sources(x.clip, els, label);
                    }

                    if ("sources" in x) {
                        check_sources(x.sources, els, label);
                    }

                    if ("playlist" in x) {
                        check_sources(x.playlist, els, label);
                    }

                    if ("url" in x) {
                        check_sources(x.url, els, label);
                    }

                    if ("src" in x) {
                        check_sources(x.src, els. label);
                    }

                    if ("bitrates" in x) {
                        for (var j = 0; j < x.bitrates.length; j++) {
                            if ("url" in x.bitrates[j]) {
                                var description = "";
                                if (x.bitrates[j].isDefault)
                                    description += "default:";
                                if (x.bitrates[j].sd)
                                    description += "sd:";
                                if (x.bitrates[j].hd)
                                    description += "hd:";
                                if (x.bitrates[j].bitrate)
                                    description += x.bitrates[j].bitrate;

                                i2d_show_url("flowplayer", get_url(x.bitrates[j].url), description);
                            }
                        }
                    }
                }

                if (arguments.length >= 1) {
                    els = [null];

                    if (typeof arguments[0] === "string") {
                        try {
                            els[0] = document.getElementById(arguments[0]);
                        } catch(e) {
                        }

                        try {
                            if (!els[0])
                                els = document.querySelectorAll(arguments[0]);
                        } catch(e) {
                            els = [];
                        }
                    } else if (arguments[0] instanceof HTMLElement) {
                        els = [arguments[0]];
                    }
                }

                for (var i = 0; i < els.length; i++) {
                    if (!els[i] || !(els[i] instanceof HTMLElement))
                        continue;

                    if ("i2d_baseurl" in els[i])
                        obj_baseurl = els[i].i2d_baseurl;
                }

                if (arguments.length >= 3 && typeof arguments[2] === "object") {
                    check_sources(arguments[2], els);
                } else if (arguments.length >= 3 && typeof arguments[2] === "string") {
                    i2d_show_url("flowplayer", get_url(arguments[2]));
                } else if (arguments.length === 2 && typeof arguments[1] === "object") {
                    check_sources(arguments[1], els);
                } else if (arguments.length === 2 && typeof arguments[1] === "string") {
                    i2d_show_url("flowplayer", get_url(arguments[1]));
                }

                for (var i = 0; i < els.length; i++) {
                    if (!els[i] || !(els[i] instanceof HTMLElement))
                        continue;

                    var href = els[i].getAttribute("href");
                    if (href) {
                        i2d_show_url("flowplayer", get_url(href), "href");
                    }
                }

                var result = oldvariable.apply(this, arguments);

                if (!result || typeof result !== "object")
                    return result;

                if ("addClip" in result) {
                    var old_fplayer_addclip = result.addClip;
                    result.addClip = function() {
                        if (arguments.length > 0)
                            check_sources(arguments[0], els);

                        return old_fplayer_addclip.apply(this, arguments);
                    };
                }

                if ("setPlaylist" in result) {
                    var old_fplayer_setplaylist = result.setPlaylist;
                    result.setPlaylist = function() {
                        if (arguments.length > 0)
                            check_sources(arguments[0], els);

                        return old_fplayer_setplaylist.apply(this, arguments);
                    };
                }

                if ("load" in result) {
                    var old_fplayer_load = result.load;
                    result.load = function() {
                        if (arguments.length > 0)
                            check_sources(arguments[0], els);

                        return old_fplayer_load.apply(this, arguments);
                    };
                }

                /*if ("on" in result) {
                    result.on("load", function(e, api, video) {
                        console.log(e);
                        check_sources(video || api.video, els);
                    });
                }*/

                return result;
            }, ["$f"]);

            add_script(get_script_str(function() {
                flowplayer(function(api, root) {
                    api.on("load", function(e, api, video) {
                        flowplayer().load(video || api.video);
                    });
                });
            }));
        }

        if ("videojs" in window && !window.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) {
                           i2d_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) {
                                    i2d_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]) {
                            i2d_show_url("videojs", arguments[0].src);
                        }
                    }

                    return old_videojs_src.apply(this, arguments);
                };

                return result;
            });

            add_script(i2d_show_url.toString() +
                       i2d_onload.toString() +
                       get_script_str(function() {
                            i2d_onload(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) {
                                           i2d_show_url("videojs", my_el.src);
                                        }

                                        for (var j = 0; j < my_el.children.length; j++) {
                                            if (my_el.children[j].tagName.toLowerCase() === "source") {
                                                if (my_el.children[j].src) {
                                                    i2d_show_url("videojs", my_el.children[j].src, my_el.children[j].getAttribute("label"));
                                                }
                                            }
                                        }
                                    }
                                }
                            });
                       }));
        }

        if ("amp" in window && !window.amp.INJECTED) {
            inject("amp", function() {
                function show_amp_source(sourceobj) {
                    if ("protectionInfo" in sourceobj) {
                        console.log("[amp] Cannot decode protection info");
                    }
                    if ("src" in sourceobj)
                       i2d_show_url("amp", sourceobj.src);
                }

                if (arguments.length >= 2 && typeof arguments[1] === "object") {
                    if ("sourceList" in arguments[1]) {
                        for (var i = 0; i < arguments[1].sourceList.length; i++) {
                            show_amp_source(arguments[1].sourceList[i]);
                        }
                    }
                }

                var result = oldvariable.apply(this, arguments);

                if (!result)
                    return result;

                var old_amp_src = result.src;
                result.src = function() {
                    for (var i = 0; i < arguments[0].length; i++) {
                        show_amp_source(arguments[0][i]);
                    }

                    return old_amp_src.apply(this, arguments);
                };

                return result;
            });
        }

        if ("DJPlayer" in window && !window.DJPlayer.INJECTED) {
            add_script(i2d_show_url.toString() + "\n" +
                       "var oldsetmedia = window.DJPlayer.prototype.setMedia;\n" +
                       "window.DJPlayer.prototype.setMedia = function() {\n" +
                       "  if (arguments.length > 0 && typeof arguments[0] === 'string') {\n" +
                       "    i2d_show_url('DJPlayer', arguments[0]);\n" +
                       "  }\n" +
                       "  return oldsetmedia.apply(this, arguments);\n" +
                       "}");
        }

        if (("location" in window) && window.location && window.location.host.search("forvo") >= 0 && "createAudioObject" in window && !window.createAudioObject.INJECTED) {
            inject("createAudioObject", function(id, mp3, ogg) {
                i2d_show_url("forvo", mp3, "mp3");
                i2d_show_url("forvo", ogg, "ogg");

                return oldvariable.apply(this, arguments);
            });
        }

        if (("location" in window) && window.location && window.location.href.search("twitter.com/i/videos") >= 0 && !twitter_injected) {
            twitter_injected = true;

            i2d_onload(function() {
                var pc = document.getElementById('playerContainer');
                if (!pc) {
                    return;
                }

                var config = pc.getAttribute('data-config');
                if (!config) {
                    return;
                }

                var config_parsed = JSON.parse(config);

                if ("video_url" in config_parsed) {
                    i2d_show_url('twitter', config_parsed.video_url);
                }
            });
        }

        if (("location" in window) && window.location && window.location.href.search("vine.co/v/") >= 0 && !vine_injected) {
            vine_injected = true;

            i2d_onload(function() {
                var config_el = document.getElementById("configuration");
                if (!config_el) {
                    return;
                }

                var config = JSON.parse(config_el.innerHTML);
                if (!config || typeof config !== "object") {
                    return;
                }

                if (!("post" in config) || !("videoUrls" in config.post)) {
                    return;
                }

                for (var i = 0; i < config.post.videoUrls.length; i++) {
                    var videourl = config.post.videoUrls[i];

                    var formatstr = "[";
                    formatstr += videourl.format + ":";
                    formatstr += videourl.idStr;

                    if (videourl.rate > 0)
                        formatstr += ", " + videourl.rate;

                    formatstr += "]";

                    i2d_show_url('vine', videourl.videoUrl, formatstr);
                }
            });
        }

        if ("jQuery" in window) {
            inject_jquery_plugin("jPlayer", function() {
                if (arguments.length > 0 && arguments[0] === "setMedia") {
                    if (arguments.length > 1) {
                        if (typeof arguments[1] === "object") {
                            for (var i in arguments[1]) {
                                if (i === "title" ||
                                    i === "duration" ||
                                    i === "track" /* for now */ ||
                                    i === "artist" ||
                                    i === "free")
                                    continue;

                                i2d_show_url("jPlayer", arguments[1][i], i);
                            }
                        } else if (typeof arguments[1] === "string") {
                            i2d_show_url("jPlayer", arguments[1]);
                        }
                    }
                }

                return oldvariable.apply(this, arguments);
            });

            inject_jquery_plugin("amazingaudioplayer", function() {
                var result = oldvariable.apply(this, arguments);

                function add_source_obj(x) {
                    type = "";
                    if ("type" in x) {
                        type = x.type;
                    }

                    i2d_show_url("amazingaudioplayer", x.src, type);
                }

                function add_source(x) {
                    if (x instanceof Array) {
                        for (var i = 0; i < x.length; i++) {
                            add_source_obj(x[i]);
                        }
                    } else {
                        add_source_obj(x);
                    }
                }

                var audioplayer = jQuery(this).data("object").audioPlayer;
                if (audioplayer.audioItem) {
                    add_source(audioplayer.audioItem.source);
                }

                var oldload = audioplayer.load;
                audioplayer.load = function(item) {
                    if ("source" in item) {
                        add_source(item.source);
                    }

                    return oldload.apply(this, arguments);
                };

                return result;
            });

            if (jquery_plugin_exists("jPlayerAudio") && !window.jQuery.fn.jPlayerAudio.INJECTED) {
                inject_jquery_plugin("jPlayerAudio", function() {
                    return oldvariable.apply(this, arguments);
                });

                add_script(i2d_show_url.toString() + "\n" +
                           "var oldmedia=jQuery.jPlayerAudio.prototype.setMedia;\n" +
                           "jQuery.jPlayerAudio.prototype.setMedia = function(e) {\n" +
                           "  var absolute = this._absoluteMediaUrls(e);\n" +
                           "  jQuery.each(this.formats, function(a, o) {\n" +
                           "    i2d_show_url('cleanaudioplayer', absolute[o]);\n" +
                           "  });\n" +
                           "  return oldmedia.apply(this, arguments);\n" +
                           "}");
            }

            if (jquery_plugin_exists("jPlayerVideo") && !window.jQuery.fn.jPlayerVideo.INJECTED) {
                inject_jquery_plugin("jPlayerVideo", function() {
                    return oldvariable.apply(this, arguments);
                });

                add_script(i2d_show_url.toString() + "\n" +
                           "var oldmedia=jQuery.jPlayerVideo.prototype.setMedia;\n" +
                           "jQuery.jPlayerVideo.prototype.setMedia = function(e) {\n" +
                           "  var absolute = this._absoluteMediaUrls(e);\n" +
                           "  jQuery.each(this.formats, function(a, o) {\n" +
                           "    i2d_show_url('cleanvideoplayer', absolute[o]);\n" +
                           "  });\n" +
                           "  return oldmedia.apply(this, arguments);\n" +
                           "}");
            }
        }
    }

    i2d_main();

    window.addEventListener("afterscriptexecute", function(e) {
        i2d_main(e.target);
    });

    i2d_onload(function() {
        var get_raws = function() {
            var audios = [].slice.call(document.getElementsByTagName("audio"));
            var videos = [].slice.call(document.getElementsByTagName("video"));
            var els = Array.prototype.concat(audios, videos);

            for (var i = 0; i < els.length; i++) {
                var basename = "raw ";
                var el = els[i];

                if (el.tagName.toLowerCase() === "video") {
                    basename += "video";
                } else {
                    basename += "audio";
                }

                if (el.id)
                    basename += ": #" + el.id;

                var show_updates = function() {
                    if (el.src)
                        i2d_show_url(basename, el.src);

                    for (var x = 0; x < el.children.length; x++) {
                        if (els[i].children[x].tagName.toLowerCase() !== "source") {
                            continue;
                        }

                        var type = null;
                        if (el.children[x].type)
                            type = el.children[x].type;

                        if (el.children[x].src)
                            i2d_show_url(basename, el.children[x].src, type);
                    }
                };

                var observer = new MutationObserver(show_updates);
                observer.observe(el, { attributes: true, childList: true });

                show_updates();
            }
        };

        get_raws();

        i2d_main();
    });
})();