mirror of
https://github.com/murdos/musicbrainz-userscripts
synced 2024-11-10 05:04:13 +00:00
407 lines
16 KiB
JavaScript
407 lines
16 KiB
JavaScript
// ==UserScript==
|
||
// @name Musicbrainz DiscIds Detector
|
||
// @namespace http://userscripts.org/users/22504
|
||
// @version 2019.2.22.1
|
||
// @description Generate MusicBrainz DiscIds from online EAC logs, and check existence in MusicBrainz database.
|
||
// @downloadURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/mb_discids_detector.user.js
|
||
// @updateURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/mb_discids_detector.user.js
|
||
// @include http://avaxhome.ws/music/*
|
||
// @include https://orpheus.network/torrents.php?id=*
|
||
// @include https://passtheheadphones.me/torrents.php?id=*
|
||
// @include https://redacted.ch/torrents.php?id=*
|
||
// @include http*://lztr.us/torrents.php?id=*
|
||
// @include http*://lztr.me/torrents.php?id=*
|
||
// @include http*://mutracker.org/torrents.php?id=*
|
||
// @include https://notwhat.cd/torrents.php?id=*
|
||
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.js
|
||
// @require http://pajhome.org.uk/crypt/md5/sha1.js
|
||
// @require lib/logger.js
|
||
// ==/UserScript==
|
||
|
||
// prevent JQuery conflicts, see http://wiki.greasespot.net/@grant
|
||
this.$ = this.jQuery = jQuery.noConflict(true);
|
||
|
||
LOGGER.setLevel('info');
|
||
|
||
var CHECK_IMAGE =
|
||
'data:image/png;base64,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%3D';
|
||
|
||
$(document).ready(function () {
|
||
if (window.location.host.match(/orpheus\.network|redacted\.ch|passtheheadphones\.me|lztr\.(us|me)|mutracker\.org|notwhat\.cd/)) {
|
||
LOGGER.info('Gazelle site detected');
|
||
gazellePageHandler();
|
||
} else if (window.location.host.match(/avaxhome\.ws/)) {
|
||
avaxHomePageHandler();
|
||
}
|
||
});
|
||
|
||
function avaxHomePageHandler() {
|
||
// Find artist and release titles
|
||
let artistName = '';
|
||
let releaseName = '';
|
||
let m = $('div.title h1')
|
||
.text()
|
||
.match(/(.*) (?:-|–) (.*)( \(\d{4}\))?/);
|
||
if (m) {
|
||
artistName = m[1];
|
||
releaseName = m[2];
|
||
}
|
||
if (artistName == 'VA') artistName = 'Various Artists';
|
||
|
||
// Find and analyze EAC log
|
||
$('div.spoiler')
|
||
.filter(function () {
|
||
return $(this)
|
||
.find('a')
|
||
.text()
|
||
.match(/(EAC|log)/i);
|
||
})
|
||
.find('div')
|
||
.each(function () {
|
||
let $eacLog = $(this);
|
||
let discs = analyze_log_files($eacLog);
|
||
|
||
// Check and display
|
||
check_and_display_discs(
|
||
artistName,
|
||
releaseName,
|
||
discs,
|
||
function (mb_toc_numbers, discid, discNumber) {
|
||
$eacLog
|
||
.parents('div.spoiler')
|
||
.prevAll('div.center:first')
|
||
.append(
|
||
`<br /><strong>${discs.length > 1 ? `Disc ${discNumber}: ` : ''}MB DiscId </strong><span id="${discid}" />`
|
||
);
|
||
},
|
||
function (mb_toc_numbers, discid, discNumber, found) {
|
||
let url = computeAttachURL(mb_toc_numbers, artistName, releaseName);
|
||
let html = `<a href="${url}">${discid}</a>`;
|
||
if (found) {
|
||
html = `${html}<img src="${CHECK_IMAGE}" />`;
|
||
}
|
||
$(`#${discid.replace('.', '\\.')}`).html(html);
|
||
}
|
||
);
|
||
});
|
||
}
|
||
|
||
function gazellePageHandler() {
|
||
let serverHost = window.location.host;
|
||
|
||
// Determine Artist name and Release title
|
||
let titleAndArtists = $('#content div.thin h2:eq(0)').text();
|
||
let pattern = /(.*) - (.*) \[.*\] \[.*/;
|
||
let artistName, releaseName;
|
||
if ((m = titleAndArtists.match(pattern))) {
|
||
artistName = m[1];
|
||
releaseName = m[2];
|
||
}
|
||
LOGGER.debug('artist:', artistName, '- releaseName:', releaseName);
|
||
|
||
// Parse each torrent
|
||
$('tr.group_torrent')
|
||
.filter(function () {
|
||
return $(this).attr('id');
|
||
})
|
||
.each(function () {
|
||
let torrentInfo = $(this).next();
|
||
|
||
$(torrentInfo)
|
||
.find('a')
|
||
// Only investigate the ones with a log
|
||
.filter(function (index) {
|
||
return $(this)
|
||
.text()
|
||
.match(/View\s+Log/i);
|
||
})
|
||
.each(function () {
|
||
LOGGER.debug('Log link', this);
|
||
if (
|
||
$(this)
|
||
.attr('onclick')
|
||
.match(/show_logs/)
|
||
) {
|
||
if (window.location.host.match(/orpheus/)) {
|
||
LOGGER.debug('Orpheus');
|
||
var logAction = 'viewlog';
|
||
} else if (window.location.host.match(/redacted|passtheheadphones/)) {
|
||
LOGGER.debug('RED');
|
||
var logAction = 'loglist';
|
||
}
|
||
}
|
||
// LzTR
|
||
else if (
|
||
$(this)
|
||
.attr('onclick')
|
||
.match(/get_log/)
|
||
) {
|
||
LOGGER.debug('LzTR');
|
||
var logAction = 'log_ajax';
|
||
}
|
||
// NotWhat.CD
|
||
else if (
|
||
$(this)
|
||
.attr('onclick')
|
||
.match(/show_log/)
|
||
) {
|
||
LOGGER.debug('NotWhat.CD');
|
||
var logAction = 'viewlog';
|
||
} else {
|
||
return true;
|
||
}
|
||
let targetContainer = $(this).parents('.linkbox');
|
||
let torrentId = /(show_logs|get_log|show_log)\('(\d+)/.exec($(this).attr('onclick'))[2];
|
||
let logUrl = `/torrents.php?action=${logAction}&torrentid=${torrentId}`;
|
||
LOGGER.info('Log URL: ', logUrl);
|
||
LOGGER.debug('targetContainer: ', targetContainer);
|
||
|
||
// Get log content
|
||
$.get(logUrl, function (data) {
|
||
LOGGER.debug('Log content', $(data).find('pre'));
|
||
let discs = analyze_log_files($(data).find('pre'));
|
||
LOGGER.debug('Number of disc found', discs.length);
|
||
check_and_display_discs(
|
||
artistName,
|
||
releaseName,
|
||
discs,
|
||
function (mb_toc_numbers, discid, discNumber) {
|
||
targetContainer.append(
|
||
`<br /><strong>${
|
||
discs.length > 1 ? `Disc ${discNumber}: ` : ''
|
||
}MB DiscId: </strong><span id="${torrentId}_disc${discNumber}" />`
|
||
);
|
||
},
|
||
function (mb_toc_numbers, discid, discNumber, found) {
|
||
let url = computeAttachURL(mb_toc_numbers, artistName, releaseName);
|
||
let html = `<a href="${url}">${discid}</a>`;
|
||
if (found) {
|
||
html = `${html}<img src="${CHECK_IMAGE}" />`;
|
||
}
|
||
LOGGER.debug(`#${torrentId}_disc${discNumber}`);
|
||
$(`#${torrentId}_disc${discNumber}`).html(html);
|
||
}
|
||
);
|
||
});
|
||
});
|
||
});
|
||
}
|
||
|
||
// Common functions
|
||
|
||
function computeAttachURL(mb_toc_numbers, artistName, releaseName) {
|
||
let url = `${'http://musicbrainz.org/cdtoc/attach?toc='}${mb_toc_numbers.join('%20')}&artist-name=${encodeURIComponent(
|
||
artistName
|
||
)}&release-name=${encodeURIComponent(releaseName)}`;
|
||
return url;
|
||
}
|
||
|
||
function analyze_log_files(log_files) {
|
||
let discs = [];
|
||
$.each(log_files, function (i, log_file) {
|
||
let discsInLog = MBDiscid.log_input_to_entries($(log_file).text());
|
||
for (var i = 0; i < discsInLog.length; i++) {
|
||
discs.push(discsInLog[i]);
|
||
}
|
||
});
|
||
|
||
// Remove dupes discs
|
||
let keys = new Object();
|
||
let uniqueDiscs = new Array();
|
||
for (let i = 0; i < discs.length; i++) {
|
||
let discid = MBDiscid.calculate_mb_discid(discs[i]);
|
||
if (discid in keys) {
|
||
continue;
|
||
} else {
|
||
keys[discid] = 1;
|
||
uniqueDiscs.push(discs[i]);
|
||
}
|
||
}
|
||
discs = uniqueDiscs;
|
||
return discs;
|
||
}
|
||
|
||
function check_and_display_discs(artistName, releaseName, discs, displayDiscHandler, displayResultHandler) {
|
||
// For each disc, check if it's in MusicBrainz database
|
||
for (let i = 0; i < discs.length; i++) {
|
||
let entries = discs[i];
|
||
let discNumber = i + 1;
|
||
if (entries.length > 0) {
|
||
let mb_toc_numbers = MBDiscid.calculate_mb_toc_numbers(entries);
|
||
let discid = MBDiscid.calculate_mb_discid(entries);
|
||
LOGGER.info(`Computed discid :${discid}`);
|
||
displayDiscHandler(mb_toc_numbers, discid, discNumber);
|
||
|
||
// Now check if this discid is known by MusicBrainz
|
||
(function (discid, discNumber, mb_toc_numbers) {
|
||
let query = $.getJSON(`//musicbrainz.org/ws/2/discid/${discid}?cdstubs=no`);
|
||
query.done(function (data) {
|
||
let existsInMusicbrainz = !('error' in data) && data.error != 'Not found';
|
||
displayResultHandler(mb_toc_numbers, discid, discNumber, existsInMusicbrainz);
|
||
});
|
||
query.fail(function () {
|
||
// If discid is not found, the webservice returns a 404 http code
|
||
displayResultHandler(mb_toc_numbers, discid, discNumber, false);
|
||
});
|
||
})(discid, discNumber, mb_toc_numbers);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* -------------------------------------------- */
|
||
|
||
// MBDiscid code comes from https://gist.github.com/kolen/766668
|
||
// Copyright 2010, kolen
|
||
// Released under the MIT License
|
||
|
||
var MBDiscid = (function () {
|
||
this.SECTORS_PER_SECOND = 75;
|
||
this.PREGAP = 150;
|
||
this.DATA_TRACK_GAP = 11400;
|
||
|
||
this.toc_entry_matcher = new RegExp(
|
||
'^\\s*' +
|
||
'(\\d+)' + // 1 - track number
|
||
'\\s*\\|\\s*' +
|
||
'([0-9:.]+)' + // 2 - time start
|
||
'\\s*\\|\\s*' +
|
||
'([0-9:.]+)' + // 3 - time length
|
||
'\\s*\\|\\s*' +
|
||
'(\\d+)' + // 4 - start sector
|
||
'\\s*\\|\\s*' +
|
||
'(\\d+)' + // 5 - end sector
|
||
'\\s*$'
|
||
);
|
||
this.log_input_to_entries = function (text) {
|
||
let discs = [];
|
||
var entries = [];
|
||
$.each(text.split('\n'), function (index, value) {
|
||
let m = toc_entry_matcher.exec(value);
|
||
if (m) {
|
||
// New disc
|
||
if (parseInt(m[1], 10) == 1) {
|
||
if (entries.length > 0) {
|
||
discs.push(entries);
|
||
}
|
||
entries = [];
|
||
}
|
||
entries.push(m);
|
||
}
|
||
});
|
||
if (entries.length > 0) {
|
||
discs.push(entries);
|
||
}
|
||
|
||
for (let i = 0; i < discs.length; i++) {
|
||
var entries = discs[i];
|
||
let layout_type = get_layout_type(entries);
|
||
var entries_audio;
|
||
if (layout_type == 'with_data') {
|
||
entries_audio = entries.slice(0, entries.length - 1);
|
||
} else {
|
||
entries_audio = entries;
|
||
}
|
||
discs[i] = entries_audio;
|
||
}
|
||
return discs;
|
||
};
|
||
|
||
this.get_layout_type = function (entries) {
|
||
let type = 'standard';
|
||
for (let i = 0; i < entries.length - 1; i++) {
|
||
let gap = parseInt(entries[i + 1][4], 10) - parseInt(entries[i][5], 10) - 1;
|
||
if (gap != 0) {
|
||
if (i == entries.length - 2 && gap == DATA_TRACK_GAP) {
|
||
type = 'with_data';
|
||
} else {
|
||
type = 'unknown';
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
return type;
|
||
};
|
||
|
||
this.calculate_mb_toc_numbers = function (entries) {
|
||
if (entries.length == 0) {
|
||
return null;
|
||
}
|
||
|
||
let leadout_offset = parseInt(entries[entries.length - 1][5], 10) + PREGAP + 1;
|
||
|
||
let offsets = $.map(entries, function (entry) {
|
||
return parseInt(entry[4], 10) + PREGAP;
|
||
});
|
||
return [1, entries.length, leadout_offset].concat(offsets);
|
||
};
|
||
|
||
this.calculate_cddb_id = function (entries) {
|
||
let sum_of_digits = function (n) {
|
||
let sum = 0;
|
||
while (n > 0) {
|
||
sum = sum + (n % 10);
|
||
n = Math.floor(n / 10);
|
||
}
|
||
return sum;
|
||
};
|
||
|
||
let decimalToHexString = function (number) {
|
||
if (number < 0) {
|
||
number = 0xffffffff + number + 1;
|
||
}
|
||
|
||
return number.toString(16).toUpperCase();
|
||
};
|
||
|
||
let length_seconds = Math.floor(
|
||
(parseInt(entries[entries.length - 1][5], 10) - parseInt(entries[0][4], 10) + 1) / SECTORS_PER_SECOND
|
||
);
|
||
let checksum = 0;
|
||
$.each(entries, function (index, entry) {
|
||
checksum += sum_of_digits(Math.floor((parseInt(entry[4], 10) + PREGAP) / SECTORS_PER_SECOND));
|
||
});
|
||
|
||
let xx = checksum % 255;
|
||
let discid_num = (xx << 24) | (length_seconds << 8) | entries.length;
|
||
//return discid_num
|
||
return decimalToHexString(discid_num);
|
||
};
|
||
|
||
this.calculate_mb_discid = function (entries) {
|
||
let hex_left_pad = function (input, totalChars) {
|
||
input = `${parseInt(input, 10).toString(16).toUpperCase()}`;
|
||
let padWith = '0';
|
||
if (input.length < totalChars) {
|
||
while (input.length < totalChars) {
|
||
input = padWith + input;
|
||
}
|
||
}
|
||
if (input.length > totalChars) {
|
||
//if padWith was a multiple character string and num was overpadded
|
||
input = input.substring(input.length - totalChars, totalChars);
|
||
}
|
||
|
||
return input;
|
||
};
|
||
|
||
let mb_toc_numbers = calculate_mb_toc_numbers(entries);
|
||
let message = '';
|
||
let first_track = mb_toc_numbers[0];
|
||
let last_track = mb_toc_numbers[1];
|
||
let leadout_offset = mb_toc_numbers[2];
|
||
message = message + hex_left_pad(first_track, 2);
|
||
message = message + hex_left_pad(last_track, 2);
|
||
message = message + hex_left_pad(leadout_offset, 8);
|
||
for (let i = 0; i < 99; i++) {
|
||
let offset = i + 3 < mb_toc_numbers.length ? mb_toc_numbers[i + 3] : 0;
|
||
message = message + hex_left_pad(offset, 8);
|
||
}
|
||
|
||
b64pad = '=';
|
||
let discid = b64_sha1(message);
|
||
discid = discid.replace(/\+/g, '.').replace(/\//g, '_').replace(/=/g, '-');
|
||
return discid;
|
||
};
|
||
|
||
return this;
|
||
})();
|