Image Host Helper

Directly upload local / rehost remote image(s) or galleries to whatever supported image host by dropping/pasting them to target field

As of 2020-05-15. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Image Host Helper
// @namespace    https://greasyfork.org/users/321857-anakunda
// @version      1.061
// @description  Directly upload local / rehost remote image(s) or galleries to whatever supported image host by dropping/pasting them to target field
// @author       Anakunda
// @match        https://passthepopcorn.me/*
// @match        https://broadcasthe.net/*
// @match        https://dicmusic.club/*
// @match        https://*/torrents.php?id=*
// @match        https://*/artist.php?id=*
// @match        https://*/artist.php?action=edit&artistid=*
// @match        https://*/reportsv2.php?action=report&id=*
// @match        https://*/forums.php?action=new*
// @match        https://*/forums.php?*action=viewthread*
// @match        https://*/requests.php?action=view*
// @match        https://*/collages.php?id=*
// @match        https://*/collages.php?action=edit&collageid=*
// @match        https://*/collages.php?action=comments&collageid=*
// @match        https://*/collages.php?action=new
// @match        http*://tracker.czech-server.com/upload2.php
// @match        http*://tracker.czech-server.com/edit.php*
// @connect      *
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @require      https://greasyfork.org/scripts/401725-xhrlib/code/xhrLib.js
// @require      https://greasyfork.org/scripts/394414-ua-resource/code/UA-resource.js
// @require      https://greasyfork.org/scripts/401726-imagehostuploader/code/imageHostUploader.js
// ==/UserScript==

'use strict';

['input[id*="image"]', 'input[name*="image"]']
  .forEach(selector => { document.querySelectorAll(selector).forEach(setInputHandlers) });
if (document.domain == 'tracker.czech-server.com') document.querySelectorAll('input[name="urlobr"]').forEach(setInputHandlers);
Array.from(document.getElementsByTagName('textarea')).forEach(setTextAreahandlers);
if (document.URL.includes('/torrents.php?id=')) {
  let a = document.querySelector('span.additional_add_artists > a');
  if (a != null) a.addEventListener('click', function() {
	document.querySelectorAll('input[name="image[]"]').forEach(setInputHandlers);
  });
}
if (document.URL.includes('/reportsv2.php')) {
  setReportHandlers();
  var reportTypeSelect = document.querySelector('select#type');
  if (reportTypeSelect != null) reportTypeSelect.addEventListener('change', setReportHandlers);
}

// HJ Toolkit helper
if (document.domain.endsWith('passthepopcorn.me')) setTimeout(function() {
  if (document.querySelector('div.HJ-toolkit-badge') != null) {
	let hjtkTimer = setInterval(function() {
	  document.querySelectorAll('textarea[id^="HJMA"], textarea.form-control[name="screen"], textarea.form-control[name="comp"]')
		.forEach(setTextAreahandlers);
	}, 1000);
  }
}, 1000);

function setReportHandlers(evt) {
  setTimeout(function() {
	document.querySelectorAll('input[id*="image"]').forEach(setInputHandlers);
	document.querySelectorAll('textarea').forEach(setTextAreahandlers);
  }, 2000);
}

function coverPreview(input, imgUrl, size) {
  var div, child = document.getElementById('cover-preview');
  if (child == null) {
	return;
// 	if (!(input instanceof HTMLElement) || input.parentNode.previousElementSibling == null) return;
// 	var elem = document.createElement('div');
// 	elem.style = 'padding-top: 10px; float: right; width: 90%;';
// 	child = document.createElement('img');
// 	child.id = 'cover-preview';
// 	elem.append(child);
// 	var div = document.createElement('div');
// 	div.id = 'cover-size';
// 	elem.append(div);
// 	input.parentNode.previousElementSibling.append(document.createElement('br'));
// 	input.parentNode.previousElementSibling.append(elem);
  }
  if ((div = div || document.getElementById('cover-size')) == null) return;
  if (urlParser.test(imgUrl)) {
	child.onload = function(evt) {
	  this.onload = null;
	  if (!this.naturalWidth || !this.naturalHeight) return; // invalid image
	  (size > 0 ? Promise.resolve(size) : getRemoteFileSize(imgUrl)).then(function(size) {
		div.textContent = this.naturalWidth + '×' + this.naturalHeight + ' (' + formattedSize(size) + ')';
	  }.bind(this)).catch(reason => { div.textContent = this.naturalWidth + '×' + this.naturalHeight });
	};
	child.onerror = function(evt) {
	  this.onerror = null;
	  div.textContent = this.src = '';
	  console.warn('Image source cannot be updated:', evt, imgUrl);
	};
	child.src = imgUrl;
  } else div.textContent = child.src = '';
}

function imageDataHandler(evt, data) {
  if (!data) return true;
  if (data.files.length > 0) {
	if (!data.files[0].type.toLowerCase().startsWith('image/')) return true;
	evt.target.disabled = true;
	if (evt.target.hTimer) {
	  clearTimeout(evt.target.hTimer);
	  delete evt.target.hTimer;
	}
	evt.target.style.backgroundColor = '#800000';
	let elem = evt.target, file = data.files[0], size = data.files[0].size;
	uploadImages([file], evt.target).then(function(urls) {
	  elem.value = urls[0];
	  elem.style.backgroundColor = '#008000';
	  elem.style.color = 'white';
	  elem.hTimer = setTimeout(function() {
		elem.style.backgroundColor = null;
		elem.style.color = null;
		delete elem.hTimer;
	  }, 10000);
	  coverPreview(elem, urls[0], size);
	}).catch(function(error) {
	  elem.style.backgroundColor = null;
	  imageClear(evt);
	  Promise.resolve(error).then(msg => { alert(msg) });
	}).then(function() { elem.disabled = false });
	return false;
  } else if (data.items.length > 0) {
	let links = data.getData('text/uri-list');
	if (links) links = links.split(/\r?\n/); else {
	  links = data.getData('text/x-moz-url');
	  if (links) links = links.split(/\r?\n/).filter((item, ndx) => ndx % 2 == 0);
	  	else if (links = data.getData('text/plain')) links = links.split(/\r?\n/);
	}
	if (Array.isArray(links) && links.length > 0) verifyImageUrl(links[0], true).then(function(imageUrl) {
	  evt.target.value = imageUrl;
	  coverPreview(evt.target, imageUrl);
	  if (imageUrl.toLowerCase().startsWith(ptpimgOrigin)) return;
	  evt.target.disabled = true;
	  rehostImages([imageUrl])
		.then(urls => { if (urls.length > 0 && urls[0] != evt.target.value) evt.target.value = urls[0] })
		.catch(e => { Promise.resolve(e).then(msg => { alert(msg + ' (not rehosted)') }) })
		.then(function() { evt.target.disabled = false });
	}).catch(function(e) {
	  console.error(e);
	  alert(e);
	});
	return false;
  }
  return true;
}

function descDropHandler(evt) {
  if (evt.dataTransfer == null || evt.shiftKey) return true;
  if (evt.dataTransfer.files.length > 0) {
	let images = Array.from(evt.dataTransfer.files)
		.filter(file => ['image/png', 'image/jpeg', 'image/gif', 'image/bmp', 'image/webp'/*, 'image/svg+xml'*/]
	  		.some(mimeType => file.type == mimeType))
	if (images.length <= 0) return true;
	evt.target.disabled = true;
	evt.target.style.background = '#FF000040 no-repeat center center url(' + ulImgData + ')';
	//evt.target.style.background = '#FF000040 no-repeat center center url(https://svgshare.com/i/H16.svg)';
	let elem = evt.target;
	uploadImages(images).then(urlHandler).catch(error => { Promise.resolve(error).then(msg => { alert(error) }) }).then(function() {
	  elem.style.background = null;
	  elem.disabled = false;
	});
	return false;
  } else if (evt.dataTransfer.items.length > 0) {
	let content = evt.dataTransfer.getData('text/uri-list');
	if (content) content = content.split(/\r?\n/); else {
	  content = evt.dataTransfer.getData('text/x-moz-url');
	  if (content) content = content.split(/\r?\n/).filter((item, ndx) => ndx % 2 == 0);
	};
	if (!Array.isArray(content) || content.length <= 0) return true;
	verifyImageUrls(content, true).then(function(imageUrls) {
	  evt.target.disabled = true;
	  rehostImages(imageUrls).catch(function(e) {
		Promise.resolve(e).then(msg => { alert(msg + ' (not rehosted)') });
		return imageUrls;
	  }).then(function(imgUrls) {
		urlHandler(imgUrls, content.length == 1 && [
		  'caps-a-holic.com/',
		  'screenshotcomparison.com/',
		  'dvdbeaver.com/',
		].some(patternt => content[0].includes(patternt)));
		evt.target.disabled = false;
	  });
	});
	return false;
  }
  return true;

  function urlHandler(urls, coupled = false) {
	urls.forEach(function(url, ndx) {
	  if (url.length <= 0 || !urlParser.test(url)) return;
	  var phpBB = evt.target.nophpbb ? url : '[img]'.concat(url, '[/img]');
	  if (evt.target.value.trimRight().length <= 0) evt.target.value = phpBB; else if (evt.ctrlKey) {
		evt.target.value = evt.target.value.slice(0, evt.rangeOffset) + phpBB + evt.target.value.slice(evt.rangeOffset);
	  } else if (!evt.target.nophpbb && /\[img\]\[\/img\]/i.test(evt.target.value)) {
		evt.target.value = RegExp.leftContext + phpBB + RegExp.rightContext;
	  } else evt.target.value = evt.target.value.trimRight()
		.concat(ndx <= 0 || coupled && ndx % 2 == 0 ? '\n\n' : '\n', phpBB);
	});
  }
}

function descPasteHandler(evt) {
  if (evt.clipboardData == null || evt.clipboardData.files.length <= 0) return true;
  var images = Array.from(evt.clipboardData.files)
  	.filter(file => ['image/png', 'image/jpeg', 'image/gif', 'image/bmp', 'image/webp', 'image/svg+xml']
		.some(mimeType => file.type == mimeType))
  if (images.length <= 0) return true;
  evt.target.disabled = true;
  evt.target.style.background = '#FF000040 no-repeat center center url(' + ulImgData + ')';
  uploadImages(images).then(urls => { insert(urls.map(url => '[img]'.concat(url, '[/img]')).join('\n')) })
	.catch(e => { alert(e) }).then(function() {
	  evt.target.style.background = null;
	  evt.target.disabled = false;
	});
  return false;

  function insert(phpBB) {
	var selStart = evt.target.selectionStart;
	evt.target.value = evt.target.value.slice(0, evt.target.selectionStart)
	  .concat(phpBB, evt.target.value.slice(evt.target.selectionEnd));
	evt.target.setSelectionRange(selStart + phpBB.length, selStart + phpBB.length);
  }
}

function imageUrlResolver(url) {
  return urlResolver(url).then(url => verifyImageUrl(url).catch(function(reason) {
	try { url = new URL(url) } catch(e) { return Promise.reject(e) }
	const notFound = Promise.reject('No title image for this URL');
	if (url.hostname.endsWith('pinterest.com')) {
	  if (url.pathname.startsWith('/pin/')) return globalFetch(url).then(function(response) {
		var initialState = response.document.querySelector('script#initial-state');
		if (initialState != null) try {
		  initialState = JSON.parse(script.text);
		  let images = Object.keys(initialState.pins).map(pin => initialState.pins[pin].images.orig.url);
		  if (images.length == 1) return images[0]; else if (images.length > 1) return images;
		} catch(e) { console.warn(e, initialState) }
		return notFound;
	  });
	} else if (url.hostname.endsWith('free-picload.com')) {
	  if (url.pathname.startsWith('/album/')) return cheveretoGalleryResolver('free-picload.com', url);
	} else switch (url.hostname) {
	  // general image hostings
	  case 'imgur.com':
		if (url.pathname.startsWith('/a/')) return globalFetch(url, { responseType: 'text' }).then(function(response) {
		  if (!/^\s*image\s*:\s*(\{.+\}),\s*$/m.test(response.responseText)) return Promise.reject('Invalid page structure');
		  return JSON.parse(RegExp.$1).album_images.images.map(image => 'https://i.imgur.com/'.concat(image.hash, image.ext));
		});
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('link[rel="image_src"]').href));
	  case 'pixhost.to':
		if (url.pathname.startsWith('/gallery/')) return globalFetch(url).then(response =>
			Promise.all(Array.from(response.document.querySelectorAll('div.images > a')).map(a => imageUrlResolver(a.href))));
		if (url.pathname.startsWith('/show/')) return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('img#image').src));
		break;
	  case 'malzo.com':
		if (url.pathname.startsWith('/al/')) return cheveretoGalleryResolver('malzo.com', url);
		break;
	  case 'imgbb.com': case 'ibb.co':
		if (url.pathname.startsWith('/album/')) return cheveretoGalleryResolver('imgbb.com', url);
		break;
	  case 'jerking.empornium.ph':
		if (url.pathname.startsWith('/album/')) return cheveretoGalleryResolver('jerking.empornium.ph', url);
		break;
	  case 'imgbox.com':
		if (url.pathname.startsWith('/g/')) return globalFetch(url).then(response =>
			Promise.all(Array.from(response.document.querySelectorAll('div#gallery-view-content > a'))
				.map(a => imageUrlResolver('https://imgbox.com'.concat(a.pathname)))));
		break;
	  case 'postimg.cc': case 'postimage.org':
		if (url.pathname.startsWith('/gallery/')) return globalFetch(url, { responseType: 'text' }).then(function(response) {
		  if (!/\bvar\s+embed_value=(\{[\S\s]+?\});/.test(response.responseText)) return Promise.reject('Invalid page structure');
		  var embed_value = JSON.parse(RegExp.$1);
		  return Object.keys(embed_value).map(key => 'https://i.postimg.cc/'
			.concat(embed_value[key][2], '/', embed_value[key][0], '.', embed_value[key][1]));
		});
		break;
	  case 'www.imagevenue.com':
		return globalFetch(url, { headers: { Referer: 'http://www.imagevenue.com/' } }).then(function(response) {
		  var images = Array.from(response.document.querySelectorAll('div.card img')).map(function(img) {
			return img.src.includes('://cdn-images') ? verifyImageUrl(img.src) : imageUrlResolver(img.parentNode.href)
		  });
		  return images.length > 1 ? Promise.all(images) : images.length == 1 ? images[0] : notFound;
		});
	  case 'www.imageshack.us': case 'imageshack.us':
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('a#share-dl').href));
	  case 'redacted.ch':
		if (url.pathname != '/image.php') break;
		return globalFetch(url, { method: 'HEAD' }).then(response => verifyImageUrl(response.finalUrl));
	  case 'demo.cloudimg.io':
		if (!/\b(https?:\/\/\S+)$/.test(url.pathname.concat(url.search, url.hash))) break;
		var resolved = RegExp.$1;
		if (/\b(?:https?):\/\/(?:\w+\.)*discogs\.com\//i.test(resolved)) break;
		return imageResolver(resolved);
	  case 'fastpic.ru':
		if (url.pathname.startsWith('/view/'))
		  return globalFetch(url).then(response => imageUrlResolver(response.document.querySelector('a.img-a').href));
		if (url.pathname.startsWith('/fullview/'))
		  return globalFetch(url).then(response => verifyImageUrl(response.document.getElementById('image').src));
		break;
	  case 'radikal.ru': case 'a.radikal.ru':
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('div.mainBlock img').src));
	  case 'imageban.ru': case 'ibn.im':
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.getElementById('img_main').src /* dataset.original */));
	  // music-related
	  case 'www.musicbrainz.org': case 'musicbrainz.org':
		if (!['release', 'release-group'].some(branch => url.pathname.includes('/'.concat(branch, '/')))) break;
		return globalFetch(url).then(function(response) {
		  var node = response.document.querySelector('a.artwork-image');
		  if (node != null) return verifyImageUrl(node.href);
		  return (node = response.document.querySelector('div.cover-art > img')) != null ?
			verifyImageUrl(node.src) : Promise.reject('Cover missing');
		});
	  case 'music.apple.com':
		if (!/^https?:\/\/(?:\w+\.)*apple\.com\/.*\/(\d+)(?=$|\?)/i.test(url)) break;
		return globalFetch(url).then(function(response) {
		  var meta = response.document.querySelector('meta[property="og:image"][content]');
		  if (meta == null || !meta.content) return notFound;
		  return verifyImageUrl(meta.content.replace(/\/\d+x\d+\w*(?=\.\w+$)/, '/100000x100000-999'))
		  	.catch(reason => verifyImageUrl(meta.content));
		});
	  case 'www.deezer.com': case 'deezer.com':
		return globalFetch(url).then(function(response) {
		  var meta = response.document.querySelector('meta[property="og:image"][content]');
		  if (meta == null || !meta.content) return notFound;
		  return verifyImageUrl(meta.content.replace(/\/\d+x\d+\w*(?=\.\w+$)/, '/1400x1400-000000-100-0-0'))
			.catch(reason => verifyImageUrl(meta.content));
		});
	  case 'www.qobuz.com': case 'qobuz.com':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var img = response.document.querySelector('div.album-cover > img');
		  if (img == null) return notFound;
		  return verifyImageUrl(img.src.replace(/_\d{3}(?=\.\w+$)/, '_max')).catch(reason => verifyImageUrl(img.src));
		});
	  case 'www.prestomusic.com': case 'prestomusic.com':
		if (!url.pathname.includes('/products/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('div.c-product-block__aside > a').href.replace(/\?\d+$/)));
	  case 'www.bontonland.cz':case 'bontonland.cz':
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('a.detailzoom').href));
	  case 'www.nativedsd.com':case 'nativedsd.com':
		if (!url.pathname.includes('/albums/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('a#album-cover').href));
	  case 'www.prostudiomasters.com': case 'prostudiomasters.com':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var a = response.document.querySelector('img.album-art');
		  return verifyImageUrl(a.currentSrc || a.src);
		});
	  case 'www.e-onkyo.com': case 'e-onkyo.com':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var a = response.document.querySelector('figure > a.colorbox');
		  return verifyImageUrl(new URL(response.finalUrl).origin.concat(a.pathname));
		})
	  case 'store.acousticsounds.com':
		return globalFetch(url).then(function(response) {
		  var link = response.document.querySelector('div#detail > link[rel="image_src"]');
		  return verifyImageUrl(link.href.replace(/\/medium\//i, '/large/'))
		  	.catch(reason => verifyImageUrl(link.href));
		});
	  case 'www.indies.eu': case 'indies.eu':
		if (!url.pathname.includes('/alba/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('div.obrazekDetail > img').src));
	  case 'www.beatport.com': case 'beatport.com':
		if (!url.pathname.includes('/release/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('div > img.interior-release-chart-artwork').src));
	  case 'www.supraphonline.cz': case 'supraphonline.cz':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('meta[itemprop="image"]').content.replace(/\?.*$/, '')));
	  case 'vgmdb.net':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var div = response.document.querySelector('div#coverart');
		  return /\b(?:url)\s*\(\"(.*)"\)/i.test(div.style['background-image']) ? verifyImageUrl(RegExp.$1) : notFound;
		});
	  case 'www.ototoy.jp': case 'ototoy.jp':
		return globalFetch(url).then(function(response) {
		  var img = response.document.querySelector('div#tralbumArt > a.popupImage');
		  return verifyImageUrl(img.dataset.src || img.src);
		});
	  case 'music.yandex.ru':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var script = response.document.querySelector('script.light-data');
		  return script != null ? verifyImageUrl(JSON.parse(script.text).image) : notFound;
		});
	  // movie-related
	  case 'www.imdb.com': case 'imdb.com':
		if (!['title/tt', 'name/nm'].some(cat => url.pathname.startsWith('/' + cat))) break;
		return globalFetch(url).then(function(response) {
		  var script = response.document.head.querySelector(':scope > script[type="application/ld+json"]');
		  var image = JSON.parse(script.text).image;
		  return verifyImageUrl(image);
		}).catch(reason => notFound);
	  case 'www.themoviedb.org': case 'themoviedb.org':
		if (!['movie', 'person'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(function(response) {
		  var node = response.document.querySelector('meta[property="og:image"][content]');
		  return verifyImageUrl(node.content.replace(/\/p\/\w+\//i, '/p/original/')).catch(function(reason) {
			node = response.document.querySelector('div.image_content > img');
			return verifyImageUrl((node.dataset.src || node.src).replace(/\/p\/\w+\//i, '/p/original/'));
		  }).catch(reason => notFound);
		});
	  case 'www.omdb.org': case 'omdb.org':
		if (!['movie', 'person'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(function(response) {
		  var node = response.document.querySelector('meta[property="og:image"][content]');
		  return verifyImageUrl(node.content).catch(reason => notFound);
		});
	  case 'www.thetvdb.com': case 'thetvdb.com':
		if (!['movies', 'series', 'people'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('img.img-responsive').src));
	  case 'www.rottentomatoes.com': case 'rottentomatoes.com':
		if (!['m', 'celebrity', 'tv'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('meta[property="og:image"]').content));
	  case 'www.bcdb.com': case 'bcdb.com':
		if (!['cartoon'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response =>
			verifyImageUrl(document.location.protocol.concat(response.document.querySelector('meta[property="og:image"]').content)));
	  case 'www.boxofficemojo.com': case 'boxofficemojo.com':
		if (!['releasegroup'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('div.mojo-primary-image img').src));
	  case 'www.metacritic.com': case 'metacritic.com':
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('meta[property="og:image"]').content));
	  case 'www.csfd.cz': case 'csfd.cz':
		if (!['film', 'tvurce'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(function(response) {
		  var img = ['img.film-poster', 'img.creator-photo', 'div.image > img']
		  	.reduce((acc, selector) => acc || response.document.querySelector(selector), null);
		  return img != null ? verifyImageUrl(img.src.replace(/\?.*$/, '')) : notFound;
		});
	  case 'www.fdb.cz': case 'fdb.cz':
		//if (!url.pathname.startsWith('/film/')) break;
		return globalFetch(url).then(function(response) {
		  var a = response.document.querySelector('a.boxPlakaty');
		  if (a == null) return Promise.reject('Invalid page structure');
		  a.hostname = 'www.fdb.cz';
		  return globalFetch(a.href).then(function(response) {
			var imgs = response.document.querySelectorAll('span#popup_plakaty > img');
			return imgs.length > 0 ? imgs[0].src : notFound;
		  });
		});
	  case 'www.caps-a-holic.com': case 'caps-a-holic.com':
		if (url.pathname == '/c.php') return globalFetch(url).then(function(response) {
		  function heightExtractor(n) {
			var node = response.document.querySelector('div.main > div.c_table > div[style]:nth-of-type(' + n + ')');
			return node != null && /\b(\d{3,})\s?[x×]\s?(\d{3,})\b/.test(node.textContent) ? parseInt(RegExp.$2) : NaN;
		  }
		  const baseUrl = 'https://caps-a-holic.com/c_image.php?a=0&x=0&y=0&l=1';
		  return Array.from(response.document.querySelectorAll('div.main > div[style] > a > img.thumb')).map(function(img) {
			var query = new URLSearchParams(new URL(img.parentNode.href).search);
			return [
			  baseUrl.concat('&s=', parseInt(query.get('s1')), '&max_height=', heightExtractor(2)),
			  baseUrl.concat('&s=', parseInt(query.get('s2')), '&max_height=', heightExtractor(3)),
			];
		  });
		});
		break;
	  case 'www.screenshotcomparison.com': case 'screenshotcomparison.com':
		if (url.pathname.startsWith('/comparison/')) return globalFetch(url).then(function(response) {
		  const origin = 'https://screenshotcomparison.com';
		  return Array.from(response.document.querySelectorAll('div#img_nav li > a')).map(function(a) {
			return globalFetch(origin.concat(a.pathname), { responseType: 'text' }).then(response => [
			  /\b(?:images)\[1\]='(\S+?)'/.test(response.responseText) && RegExp.$1,
			  /\b(?:images)\[0\]='(\S+?)'/.test(response.responseText) && RegExp.$1,
			].map(src => origin.concat(src)));
		  });
		});
		break;
	  case 'www.dvdbeaver.com': case 'dvdbeaver.com':
		if (url.pathname.startsWith('/film')) return globalFetch(url).then(function(response) {
		  var urlBase = response.finalUrl.replace(/(\bdvdbeaver\.com\/\w+\/\w+\/).+$/i, '$1');
		  return Array.from(response.document.querySelectorAll('div[align="center"] > table[id^="table"] > tbody > tr > td > a > img'))
		  	.map(img => urlBase.concat(new URL(img.parentNode.href).pathname));
		});
		break;
	}
	return globalFetch(url, { headers: { 'Referer': url.origin } }).then(function(response) {
	  if (url.pathname.startsWith('/album/')
		  && response.document.querySelector('div#tabbed-content-group > div.content-listing > div.pad-content-listing') != null)
		return cheveretoGalleryResolver(url.hostname, url);
	  var meta = [
		'head > meta[property="og:image"][content]', 'head > meta[itemprop="image"][content]', 'head > meta[name="og:image"][content]',
	  ].reduce((acc, selector) => acc || response.document.querySelector(selector), null);
	  return meta != null && meta.content ? verifyImageUrl(meta.content) : notFound;
	});
  }));
}