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// ==VimperatorPlugin==
// @name Fetch YouTube Video
// @description Fetch YouTube Video (fmt=22)
// @license Creative Commons 2.1 (Attribution + Share Alike)
// @version 1.1
// @author anekos (anekos@snca.net)
// @minVersion 2.0pre
// @maxVersion 2.0pre
// ==/VimperatorPlugin==
//
// Usage:
// :fetchyoutube
// Download YouTube video to default download directory.
// (pref: browser.download.dir)
//
// Links:
// http://d.hatena.ne.jp/nokturnalmortum/20081118#1227004197
//
// Refs:
// http://creazy.net/2008/11/another_way_to_find_youtube_hd_file.html
(function () {
function fixFilename (filename) {
const badChars = /[\\\/:;*?"<>|]/g;
return filename.replace(badChars, '_');
}
function makeFile (s) {
var file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
file.initWithPath(s);
return file;
}
function makeURL (s) {
var url = Cc["@mozilla.org/network/standard-url;1"].createInstance(Ci.nsIURL);
url.spec = s;
return url;
}
function fetch (arg) {
let doc = content.document;
if (!doc.location.href.match(/^http:\/\/(?:[^.]+\.)?youtube\.com\/watch/))
return;
let filepath = arg.string;
let as = content.document.defaultView.wrappedJSObject.swfArgs;
let title = doc.title.replace(/^YouTube - /, '');
// XXX 今が、fmt=22 じゃなかったら確認した方が良い？
let fmt = /^22/.test(as.fmt_map) ? '22' : '18';
let url = 'http://www.youtube.com/get_video?fmt=' + fmt + '&video_id=' + as.video_id + '&t=' + as.t;
let dm = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
let wbp = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].createInstance(Ci.nsIWebBrowserPersist);
let file;
if (filepath) {
file = io.getFile(io.expandPath(filepath));
} else {
file = dm.userDownloadsDirectory;
}
if (file.isDirectory())
file.appendRelativePath(fixFilename(title) + '.mp4');
if (file.exists())
return liberator.echoerr('The file already exists! -> ' + file.path);
file = makeFileURI(file);
let dl = dm.addDownload(0, makeURL(url, null, null), file, title, null, null, null, null, wbp);
wbp.progressListener = dl;
wbp.persistFlags |= wbp.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
wbp.saveURI(makeURL(url), null, null, null, null, file);
liberator.echo('maybe downloading started');
}
commands.addUserCommand(
['fetchyoutube', 'fetchyt'],
'fecth YouTube HD video',
fetch,
{argCount: '*', completer: function (context) completion.file(context)},
true
);
// fetch({});
})();
// vim:sw=2 ts=2 et si fdm=marker:
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