Greasy Fork

Greasy Fork is available in English.

[RED] Similar CD detector

Simple script for testing CD releases for duplicity

当前为 2023-01-29 提交的版本,查看 最新版本

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         [RED] Similar CD detector
// @namespace    http://greasyfork.icu/users/321857-anakunda
// @version      1.02
// @description  Simple script for testing CD releases for duplicity
// @match        https://redacted.ch/torrents.php?id=*
// @match        https://redacted.ch/torrents.php?page=*&id=*
// @run-at       document-end
// @author       Anakunda
// @copyright    2022, Anakunda (http://greasyfork.icu/users/321857-anakunda)
// @license      GPL-3.0-or-later
// @require      https://openuserjs.org/src/libs/Anakunda/xhrLib.min.js
// ==/UserScript==
 
{

'use strict';
 
const maxRemarks = 60, requestsCache = new Map;
let selected = null;
const getTorrentIds = (...trs) => trs.map(function(tr) {
	if (!(tr instanceof HTMLElement)) throw 'Invalid argument';
	if ((tr = tr.querySelector('a.button_pl')) != null && (tr = parseInt(new URLSearchParams(tr.search).get('torrentid'))) > 0)
		return tr;
	throw 'Failed to get torrent id';
});
 
function testSimilarity(...torrentIds) {
	if (torrentIds.length < 2 || !torrentIds.every(torrentId => torrentId > 0)) return Promise.reject('Invalid argument');
	const msfTime = '(?:(\\d+):)?(\\d+):(\\d+)[\\.\\:](\\d+)';
	const msfToSector = time => Array.isArray(time) || (time = new RegExp('^\\s*' + msfTime + '\\s*$').exec(time)) != null ?
		(((time[1] ? parseInt(time[1]) : 0) * 60 + parseInt(time[2])) * 60 + parseInt(time[3])) * 75 + parseInt(time[4]) : NaN;
	// 1211 + 1287
	const rxRR = /^(?:Selected range|Выбранный диапазон|已选择范围|Gewählter Bereich|Intervallo selezionato|Geselecteerd bereik|Utvalt område|Seleccionar gama|Избран диапазон|Wybrany zakres|Izabrani opseg|Vybraný rozsah)(?:[^\S\r\n]+\((?:Sectors|Секторы|扇区|Sektoren|Settori|Sektorer|Sectores|Сектори|Sektora|Sektory)[^\S\r\n]+(\d+)[^\S\r\n]*-[^\S\r\n]*(\d+)\))?$/m;
	const tocParser = '^\\s*' + ['\\d+', msfTime, msfTime, '\\d+', '\\d+']
		.map(pattern => '(' + pattern + ')').join('\\s+\\|\\s+') + '\\s*$';
	const tocEntriesMapper = tocEntries => Array.isArray(tocEntries) ? tocEntries.map(function(tocEntry, trackNdx) {
		if ((tocEntry = new RegExp(tocParser).exec(tocEntry)) == null)
			throw `assertion failed: track ${trackNdx + 1} ToC entry invalid format`;
		console.assert(msfToSector(tocEntry[2]) == parseInt(tocEntry[12]));
		console.assert(msfToSector(tocEntry[7]) == parseInt(tocEntry[13]) + 1 - parseInt(tocEntry[12]));
		return {
			trackNumber: parseInt(tocEntry[1]),
			startSector: parseInt(tocEntry[12]),
			endSector: parseInt(tocEntry[13]),
		};
	}) : null;
	return Promise.all(torrentIds.map(function loadLogFile(torrentId) {
		if (requestsCache.has(torrentId)) return requestsCache.get(torrentId);
		const request = localXHR('/torrents.php?' + new URLSearchParams({ action: 'loglist', torrentid: torrentId })).then(document =>
			Array.from(document.body.querySelectorAll(':scope > blockquote > pre:first-child'), pre => pre.textContent).filter(function(logfile) {
				const rr = rxRR.exec(logfile);
				if (rr == null) return true;
				// Ditch HTOA logs
				let tocEntries = logfile.match(new RegExp(tocParser, 'gm'));
				if (tocEntries != null) tocEntries = tocEntriesMapper(tocEntries); else return true;
				return parseInt(rr[1]) != 0 || parseInt(rr[2]) + 1 != tocEntries[0].startSector;
			}));
		requestsCache.set(torrentId, request);
		return request;
	})).then(function(logfiles) {
		if (logfiles.some(logfile => logfile.length <= 0)) throw 'one or both releases have invalid logfile';
		if (logfiles.some(lf1 => logfiles.some(lf2 => lf1.length != lf2.length))) throw 'disc count mismatch';
		const remarks = [ ];
		for (let volumeNdx = 0; volumeNdx < logfiles[0].length; ++volumeNdx) {
			function addTrackRemark(trackNdx, remark) {
				if (!(trackNdx in volRemarks)) volRemarks[trackNdx] = [ ];
				volRemarks[trackNdx].push(remark);
			}
			function processTrackValues(patterns, ...callbacks) {
				if (!Array.isArray(patterns) || patterns.length <= 0 || typeof callbacks[patterns.length] != 'function') return;
				const rxs = patterns.map(pattern => new RegExp('^[^\\S\\r\\n]+' + pattern + '\\s*$', 'm'));
				const values = trackRecords.map(trackRecords => trackRecords != null ? trackRecords.map(function(trackRecord, trackNdx) {
					trackRecord = rxs.map(rx => rx.exec(trackRecord));
					for (let index = 0; index < trackRecord.length; ++index) if (trackRecord[index] != null)
						return typeof callbacks[index] == 'function' ? callbacks[index](trackRecord[index]) : trackRecord[index];
				}) : [ ]);
				for (let trackNdx = 0; trackNdx < Math.max(values[0].length, values[1].length); ++trackNdx)
					callbacks[patterns.length](values[0][trackNdx], values[1][trackNdx], trackNdx);
			}
 
			const isRangeRip = logfiles.map(logfiles => rxRR.test(logfiles[volumeNdx])), volRemarks = { };
			if (isRangeRip.some(Boolean))
				remarks.push(`disc ${volumeNdx + 1} having at least one release as range rip, skipping peaks comparison`);
			let tocEntries = logfiles.map(logfile => logfile[volumeNdx].match(new RegExp(tocParser, 'gm')));
			if (tocEntries.some(toc => toc == null)) throw `disc ${volumeNdx + 1} ToC not found for at least one release`;
			if (tocEntries[0].length != tocEntries[1].length) throw `disc ${volumeNdx + 1} ToC lengths mismatch`;
			tocEntries = tocEntries.map(tocEntriesMapper);
			const trackRecords = logfiles.map(logfiles => // 12232
				logfiles[volumeNdx].match(/^(?:Track|Трек|音轨|Traccia|Spår|Pista|Трак|Utwór|Stopa)\s+\d+[^\S\r\n]*$\r?\n(?:^(?:[^\S\r\n]+.*)?$\r?\n)*/gm));
			if (trackRecords.some((trackRecords, ndx) => !isRangeRip[ndx] && trackRecords == null))
				throw `disc ${volumeNdx + 1} no track records could be extracted for at least one rip`;
			else if (!isRangeRip.some(Boolean) && trackRecords[0].length != trackRecords[1].length)
				throw `disc ${volumeNdx + 1} track records count mismatch (${trackRecords[0].length} <> ${trackRecords[1].length})`;
			const htoaCount = tocEntries.filter(tocEntries => tocEntries[0].startSector > 150).length;
			if (htoaCount > 0) remarks.push(`disc ${volumeNdx + 1} ${htoaCount < tocEntries.length ? 'one rip' : 'both rips'} possibly containing leading hidden track (ToC starting at non-zero offset)`);
			// Compare TOCs
			const maxTocShift = 40, maxTocDrift = 40, maxPeakDelta = 0.01;
			const tocShifts = tocEntries[0].map((_, trackNdx) => tocEntries[1][trackNdx].endSector - tocEntries[0][trackNdx].endSector);
			const tocShiftOf = shifts => shifts.length > 0 ? Math.max(...shifts.map(Math.abs)) : 0;
			const tocDriftOf = shifts => shifts.length > 0 ? Math.max(...shifts) - Math.min(...shifts) : 0;
			let shiftsPool = tocShifts.length > 1 ? tocShiftOf(tocShifts.slice(0, -1)) : undefined;
			shiftsPool = tocShifts.find(trackShift => Math.abs(trackShift) == shiftsPool) || 0;
			const hasPostGap = [shiftsPool + 150, shiftsPool - 150].includes(tocShifts[tocShifts.length - 1]); // ??
			shiftsPool = !hasPostGap ? tocShifts : tocShifts.slice(0, -1);
			const tocShift = tocShiftOf(shiftsPool), tocDrift = tocDriftOf(shiftsPool);
			console.assert(tocDrift >= 0);
			const label = `ToC comparison for tid${torrentIds[0]} and tid${torrentIds[1]} disc ${volumeNdx + 1}`;
			console.group(label);
			console.table(tocEntries[0].map((_, trackNdx) => ({
				['track#']: trackNdx + 1,
				['start' + torrentIds[0]]: tocEntries[0][trackNdx].startSector,
				['end' + torrentIds[0]]: tocEntries[0][trackNdx].endSector,
				['length' + torrentIds[0]]: tocEntries[0][trackNdx].endSector + 1 - tocEntries[0][trackNdx].startSector,
				['start' + torrentIds[1]]: tocEntries[1][trackNdx].startSector,
				['end' + torrentIds[1]]: tocEntries[1][trackNdx].endSector,
				['length' + torrentIds[1]]: tocEntries[1][trackNdx].endSector + 1 - tocEntries[1][trackNdx].startSector,
				['tocShift']: tocShifts[trackNdx],
				['assessment']: Math.abs(tocShifts[trackNdx]) > maxTocShift ? 'failed' : 'passed',
			})));
			console.info(`ToC shift = ${tocShift} (${tocShift > maxTocShift ? 'failed' : 'passed'})`);
			console.info(`ToC drift = ${Math.max(...tocShifts)} - ${Math.min(...tocShifts)} = ${Math.max(...tocShifts) - Math.min(...tocShifts)} (${tocDrift > maxTocDrift ? 'failed' : 'passed'})`);
			console.groupEnd(label);
			if (tocShift > maxTocShift) throw `disc ${volumeNdx + 1} ToC shift above ${maxTocShift} sectors`;
			else if (tocDrift > maxTocDrift) throw `disc ${volumeNdx + 1} ToC drift above ${maxTocDrift} sectors`;
			else if (tocDrift > 0) remarks.push(`Disc ${volumeNdx + 1} shifted ToCs by ${tocShift} sectors with ${tocDrift} sectors drift`);
			else if (tocShifts[0] != 0) remarks.push(`Disc ${volumeNdx + 1} shifted ToCs by ${tocShift} sectors`);
			if (hasPostGap) remarks.push(`Disc ${volumeNdx + 1} with post-gap`);
			for (let trackNdx = 0; trackNdx < tocEntries[0].length; ++trackNdx) { // just informational
				const mismatches = [ ];
				if (tocEntries[0][trackNdx].startSector != tocEntries[1][trackNdx].startSector) mismatches.push('offsets');
				if (tocEntries[0][trackNdx].endSector - tocEntries[0][trackNdx].startSector
						!= tocEntries[1][trackNdx].endSector - tocEntries[1][trackNdx].startSector) mismatches.push('lengths');
				if (mismatches.length > 0) addTrackRemark(trackNdx, mismatches.join(' and ') + ' mismatch');
			}
			// Compare pre-gaps - just informational
			if (!isRangeRip.some(Boolean)) processTrackValues([
				'(?:Pre-gap length|Длина предзазора|前间隙长度|Pausenlänge|Durata Pre-Gap|För-gap längd|Longitud Pre-gap|Дължина на предпразнина|Długość przerwy|Pre-gap dužina|[Dd]élka mezery|Dĺžka medzery pred stopou)\\s+' + msfTime, // 1270
				'(?:Pre-gap length)\\s*:\\s*' + msfTime,
			], msfToSector, msfToSector, function(preGap1, preGap2, trackNdx) {
				if ((preGap1 || 0) != (preGap2 || 0)) addTrackRemark(trackNdx, 'pre-gaps mismatch');
			});
			// Compare peaks
			if (!isRangeRip.every(Boolean)) processTrackValues([
				'(?:Peak level|Пиковый уровень|峰值电平|Spitzenpegel|Pauze lengte|Livello di picco|Peak-nivå|Nivel Pico|Пиково ниво|Poziom wysterowania|Vršni nivo|[Šš]pičková úroveň)\\s+(\\d+(?:\\.\\d+)?)\\s*\\%', // 1217
				'(?:Peak)\\s*:\\s*(\\d+(?:\\.\\d+)?)',
			], m => parseFloat(m[1]) / 100, m => parseFloat(m[1]), function(peak1, peak2, trackNdx) {
				if (peak1 == undefined && !isRangeRip[0] || peak2 == undefined && !isRangeRip[1])
					throw `disc ${volumeNdx + 1} track ${trackNdx + 1} peak missing or invalid format`;
				else if (!isRangeRip.some(Boolean)) if (Math.abs(peak2 - peak1) > maxPeakDelta)
					throw `disc ${volumeNdx + 1} track ${trackNdx + 1} peak difference above ${maxPeakDelta}`;
				else if (Math.round(peak2 * 1000) != Math.round(peak1 * 1000)) addTrackRemark(trackNdx, 'peak levels mismatch');
			});
			// Compare checksums - just informational
			if (!isRangeRip.every(Boolean)) processTrackValues([
				'(?:(?:Copy|复制|Kopie|Copia|Kopiera|Copiar|Копиран) CRC|CRC (?:копии|kopii|kopije|kopie|kópie))\\s+([\\da-fA-F]{8})', // 1272
				'(?:CRC32 hash)\\s*:\\s*([\\da-fA-F]{8})',
			], m => parseInt(m[1], 16), m => parseInt(m[1], 16), function(checksum1, checksum2, trackNdx) {
				if (checksum1 == undefined && !isRangeRip[0] || checksum2 == undefined && !isRangeRip[1])
					addTrackRemark(trackNdx, 'checksum missing or invalid format');
				else if (!isRangeRip.some(Boolean) && checksum1 != checksum2) addTrackRemark(trackNdx, 'checksums mismatch');
			});
			// Compare AR signatures - just informational
			if (!isRangeRip.every(Boolean)) for (let v = 2; v > 0; --v) processTrackValues([
				'.+?\\[([\\da-fA-F]{8})\\].+\\(AR v' + v + '\\)',
				'(?:AccurateRip v' + v + ' signature)\\s*:\\s*([\\da-fA-F]{8})',
			], m => parseInt(m[1], 16), m => parseInt(m[1], 16), function(hash1, hash2, trackNdx) {
				if (hash1 == undefined && !isRangeRip[0] || hash2 == undefined && !isRangeRip[1])
					/*addTrackRemark(trackNdx, 'AR v' + v + ' hash missing')*/;
				else if (!isRangeRip.some(Boolean) && hash1 != hash2) addTrackRemark(trackNdx, 'AR v' + v + ' hashes mismatch');
			});
			for (let trackNdx in volRemarks)
				remarks.push(`Disc ${volumeNdx + 1} track ${parseInt(trackNdx) + 1}: ${volRemarks[trackNdx].join(', ')}`);
			const timeStamps = logfiles.map(logfiles => /^(EAC|XLD) (?:extraction logfile from) (.+)$/m.exec(logfiles[volumeNdx]));
			if (timeStamps.every(Boolean) && timeStamps.map(timeStamp => timeStamp[0]).every((timeStamp, ndx, arr) => timeStamp == arr[0]))
				remarks.push(`Disc ${volumeNdx + 1} originates in same ripping session`);
		}
		if (remarks.filter(remark => remark.endsWith('originates in same ripping session')).length == logfiles[0].length) return true;
		return remarks;
	});
}
 
function countSimilar(groupId) {
	if (groupId > 0) return localXHR('/ajax.php?' + new URLSearchParams({ action: 'torrentgroup', id: groupId }), { responseType: 'json' }).then(function(response) {
		if (response.status != 'success') return Promise.reject(response.error);
		const torrentIds = response.response.torrents.filter(torrent => torrent.media == 'CD'
			&& torrent.format == 'FLAC' && torrent.encoding == 'Lossless' && torrent.hasLog).map(torrent => torrent.id);
		const compareWorkers = [ ];
		torrentIds.forEach(function(torrentId1, ndx1) {
			torrentIds.forEach(function(torrentId2, ndx2) {
				if (ndx2 > ndx1) compareWorkers.push(testSimilarity(torrentId1, torrentId2).then(remarks => true, reason => false));
			});
		});
		return Promise.all(compareWorkers).then(results => results.filter(Boolean).length);
	}); else throw 'Invalid argument';
}
 
for (let selector of [
	'table.torrent_table > tbody > tr.group div.group_info > strong > a:last-of-type',
	'table.torrent_table > tbody > tr.group div.group_info > a:last-of-type',
]) for (let a of document.body.querySelectorAll(selector)) {
	a.onclick = function altClickHandler(evt) {
		if (!evt.altKey) return true;
		let groupId = new URLSearchParams(evt.currentTarget.search);
		if ((groupId = parseInt(groupId.get('id'))) > 0) countSimilar(groupId).then(count =>
			{ alert(count > 0 ? `Total ${count} CDs potentially duplicates` : 'No similar CDs found') }, alert);
		return false;
	};
	a.title = 'Use Alt + click to count considerable CD dupes in release group';
}
 
const torrents = Array.prototype.filter.call(document.body.querySelectorAll('table#torrent_details > tbody > tr.torrent_row'),
	tr => (tr = tr.querySelector('td > a')) != null && /\b(?:FLAC)\b.+\b(?:Lossless)\b.+\b(?:Log) \(\-?\d+\s*\%\)/.test(tr.textContent));
if (torrents.length < 2) return;
 
for (let tr of torrents) {
	let torrentId = /^torrent(\d+)$/.exec(tr.id);
	if (torrentId == null || !((torrentId = parseInt(torrentId[1])) > 0)) continue;
	const div = document.createElement('DIV');
	div.innerHTML = '<svg height="14" viewBox="0 0 24 24"><path fill="gray" d="M14.0612 4.7156l4.0067-.7788a.9998.9998 0 10-.3819-1.9629l-4.0264.7826a2.1374 2.1374 0 00-3.7068.7205l-4.0466.7865a.9998.9998 0 10.3819 1.9629l4.0221-.7818a2.1412 2.1412 0 003.751-.729zM7.1782 9.5765a.9997.9997 0 00-1.8115 0l-3.2725 7A.9977.9977 0 002 16.9998v.7275a4.2727 4.2727 0 008.5454 0v-.7275a.9977.9977 0 00-.0942-.4233zm-.9057 2.7846l1.7014 3.6387H4.5713zm.0005 7.6387a2.268 2.268 0 01-2.2454-2h4.4902a2.268 2.268 0 01-2.2448 2zM18.6558 7.5765a.9997.9997 0 00-1.8116 0l-3.273 7a.9977.9977 0 00-.0941.4233v.7275a4.2727 4.2727 0 008.5454 0l.0005-.726a.997.997 0 00-.0943-.4248zm-.9058 2.7841l1.7017 3.6392h-3.4032zm0 7.6392a2.268 2.268 0 01-2.2454-2h4.4903a2.268 2.268 0 01-2.2449 2z" /></svg>';
	div.style = 'float: right; margin-left: 5pt; margin-right: 5pt; padding: 0; visibility: visible; cursor: pointer;';
	div.className = 'compare-release';
	div.onclick = function(evt) {
		console.assert(evt.currentTarget instanceof HTMLElement);
		const setActive = (elem, active  = true) => { elem.children[0].children[0].setAttribute('fill', active ? 'orange' : 'gray') };
		if (selected instanceof HTMLElement) {
			if (selected == evt.currentTarget) {
				selected = null;
				setActive(evt.currentTarget, false);
			} else {
				const target = evt.currentTarget;
				setActive(target, true);
				testSimilarity(...getTorrentIds(selected.parentNode.parentNode, target.parentNode.parentNode)).then(function(remarks) {
					if (remarks === true) return alert('Identical rips (dupes)');
					let message = 'Releases can be duplicates (ToC shift/drift + peaks are too similar)';
					if (remarks.length > 0) message += '\n\n' + (maxRemarks > 0 && remarks.length > maxRemarks ?
						remarks.slice(0, maxRemarks - 1).join('\n') + '\n...' : remarks.join('\n'));
					alert(message);
				}).catch(reason => { alert('Releases not duplicates for the reason ' + reason) }).then(function() {
					[selected, target].forEach(elem => { setActive(elem, false) });
					selected = null;
				});
			}
		} else setActive(selected = evt.currentTarget, true);
	};
	div.title = 'Compare with different CD for similarity';
	const anchor = tr.querySelector('span.torrent_action_buttons');
	if (anchor != null) anchor.insertAdjacentElement('afterend', div);
}
 
const container = document.body.querySelector('table#torrent_details > tbody > tr.colhead_dark > td:first-of-type');
if (container == null) throw 'Torrent table header not found';
const span = document.createElement('SPAN');
span.className = 'brackets';
span.textContent = 'Find CD dupes';
span.style = 'margin-left: 5pt; margin-right: 5pt; float: right; cursor: pointer; font-size: 8pt;';
span.onclick = function(evt) {
	const compareWorkers = [ ];
	torrents.forEach(function(torrent1, ndx1) {
		torrents.forEach(function(torrent2, ndx2) {
			if (ndx2 > ndx1) compareWorkers.push(testSimilarity(...getTorrentIds(torrent1, torrent2))
				.then(remarks => [torrent1, torrent2], reason => 'distinct'));
		});
	});
	if (compareWorkers.length > 0) Promise.all(compareWorkers).then(function(results) {
		if ((results = results.filter(Array.isArray)).length > 0) try {
			function getEditionTitle(elem) {
				while (elem != null && !elem.classList.contains('edition')) elem = elem.previousElementSibling;
				if (elem != null && (elem = elem.querySelector('td.edition_info > strong')) != null) return elem.textContent.trim();
			}
 
			results.forEach(function(sameTorrents, groupNdx) {
				const randColor = () => 0xD0 + Math.floor(Math.random() * (0xF8 - 0xD0));
				const color = ['#dff', '#ffd', '#fdd', '#dfd', '#ddf', '#fdf'][groupNdx]
					|| `rgb(${randColor()}, ${randColor()}, ${randColor()})`;
				for (let elem of sameTorrents) if ((elem = elem.querySelector('div.compare-release')) != null) {
					elem.style.padding = '2px';
					elem.style.border = '1px solid #808080';
					elem.style.borderRadius = '3px';
					elem.style.backgroundColor = color;
				}
			});
			alert('Similar CDs detected in these editions:\n\n' + results.map(sameTorrents =>
				getEditionTitle(sameTorrents[0]) + '\n' + getEditionTitle(sameTorrents[1])).join('\n\n'));
		} catch (e) { alert(e) } else alert('No similar CDs detected');
	});
};
container.append(span);

}