Deluge WebUI remote torrent adder

This script adds a Deluge icon next to torrent and magnet links. Clicking on it adds the torrent to the WebUI without leaving the page.
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// ==UserScript==
// @name           Deluge WebUI remote torrent adder
// @description    This script adds a Deluge icon next to torrent and magnet links. Clicking on it adds the torrent to the WebUI without leaving the page.
// @namespace      http://deluge-torrent.info/
// @include        *
// @grant          GM.xmlHttpRequest
// @version        1.7.0
// ==/UserScript==

// Version : 1.7.0

// Author :
// First version by Martijn Voncken ; [email protected].
// Re-write and Deluge 1.2+ support : aidos
// Updated by Adam Rogers ([email protected]) on 2018-02-12: Adapted for GreaseMonkey 4 compatibility, changed XHR content type, code cleanup, changed script name, changed version to 1.7.0
// Original script name: Quickly add torrent files to Deluge 1.2+ WebUI

// Contributors :
// Url-based submit and parsing based on : "Add Torrents To utorrent" by Julien Couvreur
// Cookie support by Aqtrans


// ******************************************************************
// /!\ These parameters need to be edited before using the script /!\
// ******************************************************************

// URL format : http(s)://HOST:PORT

var deluge_password = '';
var deluge_url = '';		// For example: 'https://example.net:8081'

//*******************************************************************


if (deluge_url == '') { alert ('You need to edit this user script with your Deluge parameters before using it.'); }

/* Image number:
	0 = deluge (blue)
	1 = downloading (green)
	2 = active (blue+green)
	3 = seeding (blue)
	4 = loading
	5 = error
*/

var images = {
	0 : 'data:image/png;base64,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',
	1 : 'data:image/png;base64,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',
	2 : 'data:image/png;base64,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',
	3 : 'data:image/png;base64,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',
	4 : 'data:image/gif;base64,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',
	5 : 'data:image/png;base64,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'
};
var counter = 0;


function makeTorrentLink (link, url, i)
{
	var torrentLink = document.createElement ('a');
	var id = 'deluge_link' + i;

	torrentLink.setAttribute ('href', url);
	torrentLink.setAttribute ('id', id);
	torrentLink.style.paddingLeft = '2px';
	torrentLink.innerHTML = '<img src="' + images[0] + '" style="border: 0px" id="image_' + id + '" />';
	link.parentNode.insertBefore (torrentLink, link.nextSibling);

	var domLink = document.getElementById (id);
	domLink.addEventListener ('click', evt_callback_factory (url, id), false);
}


function changeImageSrc (linkId, status, msg)
{
	if (typeof (msg) == 'undefined')
		msg = '';

	var imgIdx = 2;
	if (status == 'ready')
		imgIdx = 0;
	else if (status == 'loading')
		imgIdx = 4;
	else if (status == 'done')
		imgIdx = 1;
	else if (status == 'error')
		imgIdx = 5;

	img = document.getElementById ('image_' + linkId);
	img.src = images[imgIdx];
	img.title = msg;
}


function evt_callback_factory (url, linkId)
{
	function send_request (method, params, onsuccess)	// extra args get passed to onsuccess
	{
		var extra_args = new Array();
		for (var i = 3; i < arguments.length; i++)
			extra_args.push (arguments[i]);

		GM.xmlHttpRequest (
		{
			method :	'POST',
			url :		deluge_url + '/json',
			headers :	{ 'Content-type' : 'application/json' },
			data :		'{"method":"' + method + '","params":' + JSON.stringify (params) + ',"id":' + (counter++) + '}',

			onload : function (xhr)
			{
				res = JSON.parse (xhr.responseText);
				if (res.error == null)
				{
					extra_args.unshift (res);
					onsuccess.apply (null, extra_args);
				}
				else
					changeImageSrc (linkId, 'error', 'Error in response to ' + method + ':\n' + xhr.responseText);
			},

			onerror : function (xhr)
			{
				changeImageSrc (linkId, 'error', 'Error while calling ' + method);
			}
		});
	}//send_request


	function evt_torrent_submit (evt)
	{
		changeImageSrc (linkId, 'loading', 'Authenticating...');
		var params = [ deluge_password ];
		send_request ('auth.login', params, get_download_path);
		if (evt.preventDefault)
			evt.preventDefault();
	}


	function get_download_path (res)
	{
		changeImageSrc (linkId, 'loading', 'Getting download directory...');
		var params = [];
		if (url.match(/^magnet:/i))
			send_request ('core.get_config', params, add_magnet);
		else
			send_request ('core.get_config', params, get_torrent);
	}


	function get_torrent (res)
	{
		changeImageSrc (linkId, 'loading', 'Downloading torrent...');
		var remote_download_dir = res.result.download_location;
		var params = [url, document.cookie];
		send_request ('web.download_torrent_from_url', params, add_torrent, remote_download_dir);
	}


	function add_magnet (res)
	{
		changeImageSrc (linkId, 'loading', 'Adding magnet...');
		var remote_download_dir = res.result.download_location;
		var params = [url, { download_location : remote_download_dir }];
		send_request ('core.add_torrent_magnet', params, after_add);
	}


	function add_torrent (res, remote_download_dir)
	{
		changeImageSrc (linkId, 'loading', 'Adding torrent...');
		var path = res.result;
		var params = [[{ path : path, options : { download_location : remote_download_dir } }]];
		send_request ('web.add_torrents', params, after_add);
	}


	function after_add (res)
	{
		changeImageSrc (linkId, 'done', 'Successfully added:\n' + url + '\n');
	}


	function debug_request (res)
	{
		alert (res.result);
	}


	return (evt_torrent_submit);
}//evt_callback_factory


function match (url)
{
	var ret = { isValid : false, torrentUrl : url };

	if (   url.match (/^magnet:\?.*xt=urn:btih:[a-f0-9]{40}.*/i)								// magnet link
		|| url.match (/\.torrent$/)																// torrent file
/*		|| url.match (/^http(s?):\/\/.*isohunt\.com\/download\//i)								// isohunt format
		|| url.match (/^http(s?):\/\/dl\.torrentreactor\.net\/download.php\?/i)					// TorrentReactor
		|| url.match (/^http(s?):\/\/www\.mininova\.org\/get\//i)								// Mininova
		|| url.match (/^http(s?):\/\/ts\.searching\.com\/download\.asp\?/i)						// TorrentSpy
		|| url.match (/^http(s?):\/\/www\.torrentspy\.com\/download.asp\?/i)					// TorrentSpy
		|| url.match (/^http(s?):\/\/.*seedler\.org\/download\.x\?/i)							// Seedler
		|| url.match (/^http(s?):\/\/.*\/torrents\.php\?action\=download/i)						// Gazelle : (what.cd etc...)
		|| url.match (/^http(s?):\/\/.*legaltorrents\.com\/get\//i)								// Legal torrents
		|| url.match (/^http(s?):\/\/www\.demonoid\.com\/files\/download\/HTTP\//i)				// Demonoid format (from userscripts comments)
		|| url.match (/^http(s?):\/\/www\.demonoid\.com\/files\/download\//i)					// Demonoid format II (from userscripts comments)
		|| url.match (/^http(s?):\/\/bitsnoop\.com\/get\//i)									// BitSnoop
		|| url.match (/^http(s?):\/\/torcache\.net\/torrent\//i)								// TorCache
		|| url.match (/^http(s?):\/\/re\.zoink\.it\/.+/i)										// Twitter eztv.it
*/
	   )
	{
		ret.isValid = true;
	}
/*	else if (url.match (/^http(s?):\/\/www\.bt-chat\.com\/download[0-9]?\.php\?id=([0-9]+)/i))	// bt-chat format
	{
		ret.isValid = true;
		ret.torrentUrl = url + '&type=torrent';
	}
*/

	return (ret);
}


function getLinks()
{
	var doc_links = document.links;
	var links = new Array();
	for (var i = 0; i < doc_links.length; i++)
	{
		links.push (doc_links[i]);
	}
	return (links);
}


function scanLinks()
{
	// duplicate link list, so we don't forever loop when we will be adding our owns
	var links = getLinks();

	for (var i = 0; i < links.length; i++)
	{
		var link = links[i];
		var matchObj = match (link.href);
		if (matchObj.isValid)
			makeTorrentLink (link, matchObj.torrentUrl, i);
	}
}


scanLinks();