Image Host Helper

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

Ekde 2020/05/26. Vidu La ĝisdata versio.

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      1.066
// @description  Directly upload local / rehost remote image(s) or galleries to whatever supported image host by dropping/pasting them to target field
// @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAACXBIWXMAAAsSAAALEgHS3X78AAAHTklEQVR4nO1aCUwUVxj+38zuyuwuRGGByHIpqEXFo1hj1SZiW1MarVqPREgkattUadPUI4iNpGrVxph6VJR4Rm3UlhrsZaBnqtXEo1qqxqJFZGFBTmHZe2fm9c3CrhzLsbtDRtP9wsLO9b/vffPPfzxGhjGG/zNkUhOQGgEBpCYgNQICSE1AagQEkJqA1AgIIDUBqREQQGoCUiMggNQEpEZAADGNFetNk77Qc5mXHuPUR3aItfFISZpt2nWcAmBVNG4exkBpWjj1TbqWPp0cpqwSk4O3EEWAa3WmEbml/ObiRn4B5pEcKATQ9tMJPBnPwCFNSStoSlrwtLwKx9rl0a2f5yTKPosMZsxicPEWfguQ/69xQfZdbr/BgSKARoDo3s9Hrl/kvFYORewpx1t+bbSnHR6Hl0+OUJb6y8db+CXAJ3eM7+Te4/dhhOR9TdwTULsQt1rR1DnXHMVnnjfNSR2quuUPJ2/hswD5940Lcu9xeWTyMtTV170EIsGhzo7iMm6yhUVy88xxGqWu3miRsRgYOQKLRs2w/o3QM3wS4Hq9OTH7Hy5fjMm7IIhQY0MJ8/5kz2sUhoZHNhzmwChkEIUNEQpHw1g1XH9ZQ/+UqqEuRwUzRnFG9VGAjaXcJvLMa3xx+94giFBugTHlQjh0K4uggmxfewwzjlVxa2OCuNJlMez+VfGyw5Fq/wOn1wKQVJfyYwO/ENEi3foucM67q+kO25U2GLX5Hr+noMa+ZM8YPuvVKNUNf8bzWoCTem4pzyOF2He/v2gLnAjuGmHKvOvsL/vHGpdkDlcX+WrPKwHqjBblhSZIEyoaqSE8LmYeDX73FvdliMw4Z36s+oIvdrwSoMyE46ptEN/NRX2E638yvgZS4Torj0Ky7nBHk0PMUxMHK+u8teGVADorH83xWI4o/xXApCwcFYK4RjumG2x+iCBkDwtK2HafXXf0BVjn7fVeCdDKIgVgcSYfzSAoelFF/9XMwaKrZmCJXZ9TKolHBY/winVNlp1JoUytN5f2W4Amk4WpsfIaf91fcHs1IXwyhYF4JeX8bB49CDbctndom7yDQMnIoiF5Dx0rFtu5H9Q01RwdhB5FBDO2vq7tU4CzOuPM03o+/UoLfolUa1rkRwAUHnmKKLBnPAMzwp8MvX5kEIkvPH+k3EH5ml4pwiuvAm/N03FbFBRnilRA1ZTBjksZWvrE3BjVxZ6u61GAK6TDI03Ozt+b8BtOt++hw/MKHIbsUUGwPE7Rabdgc3cyQz0wYfitjuuzofIEQVwhNpG/lB1DcKUVkiqrIamghl32ykPD2U+TZBtSNMqyrtd5FODUQ+OsrFvcsWYWRQkTFyPoY1LYL46Vwxbi7p6gliHnY/HyH2YoNfLgq6ehjl9oQRhE/1wPi2e1OKYdTDalL4hTdUqX3QQ4pzNNX1HCnbFiNMQfd+8IzAFM1sjgAHH93jxcy1BwYhIDr182QaPD98zQEU4TRIgmFmkzS9gClcw0+zWt6prreCcBHraYQ9+/wx4huVW8yZOIr1W23d1QRd8zmjyEhvwJDGRctwBxZVFEECDYMXEoYtVt9vDFYMt0bQjTKuzvJMDeci6rygIjxSpzhYg/hPSzZ8hdHanuv6ILtXKotmFY87cVOHGoOOFstkxo3P4KdsXWZNgt7HMLUNJgjiqsxekgQpHjHpB8lHLAByocaG+53bm9bXQQJKg8i3Gu2gGnKh1OojwRT05uBMeLRqcNxPZXpGboJsAhHbtMb4PhYrmcE8SW3oLRqQqHe9fqBEwE8Hz6zRYOCnRCPUC1qUf5mXV64KSzQKJr0y1AYS2/iMWUwvNVfoznjsbtc+plRvL2Tm8gO01hCAcGdypyC1BtpcaLFfieAbhvg1sAFY11ZoxipeEjHdwCpIbB+fMN8Db2uSJ/dkAeQ/ciq1uAt2LoY5eb+flNLEQOzGLX0wEhNYcpoMa17RZgbqz66nS9oejbGsgcSB+Q9xJnBmiZsTNIWp0Zir53bXYqhD6Mp3cW1bKLSMZWDgQXweYdAw8mEoYxPHlFV/g2iPhljRUPQN57AuHuMzJs+CBetsu1r5MAM4aqbq9JMHy0/T7ehWlxmiAXBFvCRDNvWEhT2P395LYUiUCM1SZPcI5Iqqv1I6jsKZHK+6793ZqhbckhuxvshtBDFXgjpvxYpekBztLWg1Hcfmwgpu/Um7j+e8OoTbljgvM7HvPYDh9MCckdxrRWby/jP251oEhnRSZWUyKOmX7BNfHBClyzMZHKWf1c8PGu5/S4IJIzOjg/LcJ8Pr+CXVlcj+dW29Gw9grqWUgSmFSVVm0QfpAWjgpXxskPjg1TVno6sdclsQkapS5fAzk36037jlfxGd/Vsm9WWXACjyjNwPD2HxTmq+IZKJs9lC5cqpV9PV6j0vd2fr8WRSeGq/QTw2EHaZ92iEPz6UHgHSGpCUiNgABSE5AaAQGkJiA1AgJITUBqBASQmoDUCAggNQGpERBAagJS4z/F0X/2U+WfagAAAABJRU5ErkJggg==
// @author       Anakunda
// @match        https://passthepopcorn.me/*
// @match        https://broadcasthe.net/*
// @match        https://dicmusic.club/*
// @match        https://notwhat.cd/*
// @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/*
// @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) imageUrlResolver(links[0]).then(verifyImageUrl).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(reason => { Promise.resolve(reason).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(reason => { Promise.resolve(reason).then(msg => { alert(msg) }) }).then(function() {
	  elem.style.background = null;
	  elem.disabled = false;
	});
	evt.stopPropagation();
	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;
	Promise.all(content.map(imageUrlResolver)).then(function(resolvedUrls) {
	  evt.target.disabled = true;
	  rehostImages(resolvedUrls.flatten()).catch(function(reason) {
		Promise.resolve(reason).then(msg => { alert(msg + ' (not rehosted)') });
		return verifyImageUrls(resolvedUrls.flatten());
	  }).then(function(imgUrls) {
		urlHandler(imgUrls, shouldCouple(content));
		evt.target.disabled = false;
	  });
	});
	evt.stopPropagation();
	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) return true;
  if (evt.clipboardData.files.length > 0) {
	let 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(imgUrls => { insert(imgUrls) })
	  .catch(reason => { Promise.resolve(reason).then(msg => { alert(msg) }) }).then(function() {
		evt.target.style.background = null;
		evt.target.disabled = false;
	  });
	evt.stopPropagation();
	return false;
//   } else if (evt.clipboardData.items.length > 0) {
// 	let urls = evt.clipboardData.getData('text/plain').split(/(?:\r?\n)+/);
// 	if (urls.length <= 0 || !urls.every(url => urlParser.test(url))) return true;
// 	Promise.all(urls.map(imageUrlResolver)).then(function(resolvedUrls) {
// 	  evt.target.disabled = true;
// 	  rehostImages(resolvedUrls.flatten()).catch(function(reason) {
// 		Promise.resolve(reason).then(msg => { alert(msg + ' (not rehosted)') });
// 		return verifyImageUrls(resolvedUrls.flatten());
// 	  }).then(function(imgUrls) {
// 		insert(imgUrls, shouldCouple(imgUrls));
// 		evt.target.disabled = false;
// 	  });
// 	});
// 	evt.stopPropagation();
// 	return false;
  }
  return true;

  function insert(imgUrls, coupled = false) {
	var selStart = evt.target.selectionStart, phpBB = imgUrls.map(function(imgUrl, ndx) {
	  return (ndx <= 0 ? '' : coupled && ndx % 2 == 0 ? '\n\n' : '\n').concat('[img]', imgUrl, '[/img]');
	}).join('');
	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 shouldCouple(urlList) {
  return urlList.length == 1 && [
	'caps-a-holic.com/',
	'screenshotcomparison.com/',
	//'dvdbeaver.com/',
  ].some(pattern => urlList[0].includes(pattern));
}

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'))
	  return pinterestResolver(url);
	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 'www.imgur.com': 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)) try {
		  	return JSON.parse(RegExp.$1).album_images.images.map(image => 'https://i.imgur.com/'.concat(image.hash, image.ext));
		  } catch(e) { debug.warn(e) }
		  return notFound;
		});
		return globalFetch(url).then(response => 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 => 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 'postimage.org': case 'postimg.cc':
		if (url.pathname.startsWith('/gallery/')) return globalFetch(url, { responseType: 'text' }).then(function(response) {
		  if (/\bvar\s+embed_value=(\{[\S\s]+?\});/.test(response.responseText)) try {
			let 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]))
		  } catch(e) { console.warn(e) }
		  return notFound;
		});
		break;
	  case 'www.imagevenue.com': case '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') ? Promise.resolve(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 => response.document.querySelector('a#share-dl').href);
	  case 'www.flickr.com': case 'flickr.com':
		if (!url.pathname.startsWith('/photos/')) break;
		return globalFetch(url).then(function(response) {
		  if (/\b(?:modelExport)\s*:\s*(\{.+\}),/.test(response.responseText)) try {
			var urls = JSON.parse(RegExp.$1).main['photo-models'].map(function(photoModel) {
			  var sizes = Object.keys(photoModel.sizes).sort((a, b) => photoModel.sizes[b].width * photoModel.sizes[b].height
					- photoModel.sizes[a].width * photoModel.sizes[a].height);
			  return sizes.length > 0 ? 'https:'.concat(photoModel.sizes[sizes[0]].url) : null;
			});
			if (urls.length == 1) return urls[0]; else if (urls.length > 1) return urls;
		  } catch(e) { console.warn(e) }
		  return notFound;
		});
	  case 'photos.google.com':
		return googlePhotosResolver(url);
	  case 'www.500px.com': case 'web.500px.com': case '500px.com':
		if (/^\/photo\/(\d+)\b/i.test(url.pathname))
		  return _500pxUrlHandler('photos?ids='.concat(RegExp.$1));
		else if (/\/galleries\/([\w\-]+)/i.test(url.pathname)) {
		  let galleryId = RegExp.$1;
		  return globalFetch(url, { rsponseType: 'text' }).then(function(response) {
			if (!/\b(?:App\.CuratorId)\s*=\s*"(\d+)"/.test(response.responseText)) return Promise.reject('Unexpected page structure');
			return _500pxUrlHandler('users/' + RegExp.$1 + '/galleries/' + galleryId + '/items?sort=position&sort_direction=asc&rpp=999');
		  });
		}
		break;
	  case 'www.pxhere.com': case 'pxhere.com':
		if (url.pathname.includes('/photo/')) return globalFetch(url).then(response =>
			JSON.parse(response.document.querySelector('div.hub-media-content > script[type="application/ld+json"]').text).contentUrl);
		else if (url.pathname.includes('/collection/')) return pxhereCollectionResolver(url);
		break;
	  case 'www.unsplash.com': case 'unsplash.com':
		if (url.pathname.startsWith('/photos/')) return globalFetch(url.origin + url.pathname + '/download', { method: 'HEAD' })
		  .then(response => response.finalUrl.replace(/\?.*$/, ''));
		else if (url.pathname.includes('/collections/')) return unsplashCollectionResolver(url);
		break;
	  case 'www.pexels.com': case 'pexels.com':
		if (url.pathname.startsWith('/photo/')) return globalFetch(url)
		  .then(response => response.document.querySelector('meta[property="og:image"][content]').content.replace(/\?.*$/, ''));
		else if (url.pathname.startsWith('/collections/')) return pexelsCollectionResolver(url);
		break;
	  case 'www.piwigo.org': case 'piwigo.org':
		/*if (url.pathname.includes('/picture/')) */return globalFetch(url, { responseType: 'text' }).then(function(response) {
		  if (/^(?:RVAS)\s*=\s*(\{[\S\s]+?\})$/m.test(response.responseText)) try {
			var derivatives = eval('(' + RegExp.$1 + ')').derivatives.sort((a, b) => b.w * b.h - a.w * a.h);
			return derivatives.length > 0 ? 'https://piwigo.org/demo/'.concat(derivatives[0].url) : notFound;
		  } catch(e) { console.warn(e) }
		  return Promise.reject('Unexpected page structure');
		});
		break;
	  case 'www.freeimages.com': case 'freeimages.com':
		if (url.pathname.startsWith('/photo/')) return globalFetch(url).then(function(response) {
		  var types = Array.from(response.document.querySelectorAll('ul.download-type > li > span.reso'))
		  	.sort((a, b) => eval(b.textContent.replace('x', '*')) - eval(a.textContent.replace('x', '*')));
		  return types.length > 0 ? url.origin.concat(types[0].parentNode.querySelector('a').pathname) : notFound;
		});
		break;
	  case 'redacted.ch':
		if (url.pathname != '/image.php') break;
		return globalFetch(url, { method: 'HEAD' }).then(response => response.finalUrl);
	  case 'demo.cloudimg.io':
		if (!/\b(https?:\/\/\S+)$/.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(function(response) {
		  var node = response.document.getElementById('image');
		  if (node != null) return node.src;
		  return /\bvar\s+loading_img\s*=\s*'(\S+?)';/.test(response.responseText) ? RegExp.$1 : notFound;
		});
		break;
	  case 'www.radikal.ru': case 'radikal.ru': case 'a.radikal.ru':
		return globalFetch(url).then(response => response.document.querySelector('div.mainBlock img').src);
	  case 'imageban.ru': case 'ibn.im':
		return globalFetch(url).then(response => response.document.getElementById('img_main').src /* dataset.original */);
	  // music-related
	  case 'www.musicbrainz.org': case 'musicbrainz.org':
		if (!['release', 'release-group'].some(branch => url.pathname.includes('/'.concat(branch, '/')))) break;
		return globalFetch(url).then(function(response) {
		  var node = response.document.querySelector('a.artwork-image');
		  if (node != null) return node.href;
		  return (node = response.document.querySelector('div.cover-art > img')) != null ? node.src : notFound;
		});
	  case 'music.apple.com':
		if (!/^https?:\/\/(?:\w+\.)*apple\.com\/.*\/(\d+)(?=$|\?)/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+$)/, '/100000x100000-999')).catch(reason => meta.content);
		});
	  case 'www.deezer.com': case 'deezer.com':
		return globalFetch(url).then(function(response) {
		  var meta = response.document.querySelector('meta[property="og:image"][content]');
		  if (meta == null || !meta.content) return notFound;
		  return verifyImageUrl(meta.content.replace(/\/\d+x\d+\w*(?=\.\w+$)/, '/1400x1400-000000-100-0-0'))
			.catch(reason => 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+$)/, '_max')).catch(reason => img.src);
		});
	  case 'www.prestomusic.com': case 'prestomusic.com':
		if (!url.pathname.includes('/products/')) break;
		return globalFetch(url)
		  .then(response => verifyImageUrl(response.document.querySelector('div.c-product-block__aside > a').href.replace(/\?\d+$/)));
	  case 'www.bontonland.cz':case 'bontonland.cz':
		return globalFetch(url).then(response => response.document.querySelector('a.detailzoom').href);
	  case 'www.nativedsd.com':case 'nativedsd.com':
		if (!url.pathname.includes('/albums/')) break;
		return globalFetch(url).then(response => 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).catch(reason => 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 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 => 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(function(response) {
		  verifyImageUrl(response.document.querySelector('meta[itemprop="image"]').content.replace(/\?.*$/, '')).catch(reason => notFound);
		});
	  case 'vgmdb.net':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var div = response.document.querySelector('div#coverart');
		  return verifyImageUrl(/\b(?:url)\s*\(\"(.*)"\)/i.test(div.style['background-image']) && RegExp.$1).catch(reason => notFound);
		});
	  case 'www.ototoy.jp': case 'ototoy.jp':
		return globalFetch(url).then(function(response) {
		  var img = response.document.querySelector('div#tralbumArt > a.popupImage');
		  return verifyImageUrl(img.dataset.src).catch(reason => img.src);
		});
	  case 'music.yandex.ru':
		if (!url.pathname.includes('/album/')) break;
		return globalFetch(url).then(function(response) {
		  var script = response.document.querySelector('script.light-data');
		  return verifyImageUrl(JSON.parse(script.text).image).catch(reason => notFound);
		});
	  // movie-related
	  case 'www.imdb.com': case 'imdb.com':
		if (!['title/tt', 'name/nm'].some(cat => url.pathname.startsWith('/' + cat))) break;
		return globalFetch(url).then(function(response) {
		  const galleryDetector = /\/mediaindex(?:[\/\?].*)?$/i, imgStripper = /\._V\d+_[\w\,]*(?=\.)/;
		  if (!galleryDetector.test(response.finalUrl)) {
			let node = response.document.head.querySelector(':scope > script[type="application/ld+json"]');
			if (node != null) try {
			  let image = JSON.parse(node.text).image;
			  if (typeof image == 'string') return verifyImageUrl(image.replace(imgStripper, '')).catch(reason => notFound);
			} catch(e) { console.warn(e) }
			node = response.document.querySelector('meta[property="og:image"][content]');
			return node != null && !/\/imdb\w*_logo\./i.test(node.content) ?
			  node.content.replace(imgStripper, '') : notFound;
		  }
		  var titleId = /\/title\/(tt\d+)\//i.test(response.finalUrl) && RegExp.$1;
		  return titleId ? globalFetch(response.finalUrl.replace(galleryDetector, '/mediaviewer'), { responseType: 'text' }).then(function(response) {
			if (/\b(?:window\.IMDbMediaViewerInitialState)\s*=\s*(\{.*\});/.test(response.responseText)) try {
			  let allImages = eval('(' + RegExp.$1 + ')').mediaviewer.galleries[titleId].allImages;
			  if (allImages.length > 0) return allImages.map(image => image.src.replace(imgStripper, ''));
			} catch(e) { console.warn(e) }
			return notFound;
		  }) : Promise.reject('title id not found');
		});
	  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.replace(/\/p\/\w+\//i, '/p/original/'))
			  .catch(reason => verifyImageUrl(node.src.replace(/\/p\/\w+\//i, '/p/original/')))
			  .catch(reason => verifyImageUrl(dataset.src)).catch(reason => node.src);
		  }).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 node != null ? verifyImageUrl(node.content) : 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(function(response) {
// 		  if (/\b(?:context\.shell)\s*=\s*(\{.+?});/.test(response.responseText)) try {
// 			return JSON.parse(RegExp.$1).header.certifiedMedia.certifiedFreshMovieInTheater4.media.posterImg;
// 		  } catch(e) { console.warn(e) }
		  return verifyImageUrl(response.document.querySelector('meta[property="og:image"]').content);
		});
	  case 'www.bcdb.com': case 'bcdb.com':
		if (!['cartoon'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response =>
			verifyImageUrl(document.location.protocol.concat(response.document.querySelector('meta[property="og:image"]').content)));
	  case 'www.boxofficemojo.com': case 'boxofficemojo.com':
		if (!['releasegroup'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(response => verifyImageUrl(response.document.querySelector('div.mojo-primary-image img').src));
	  case 'www.metacritic.com': case 'metacritic.com':
		return globalFetch(url).then(function(response) {
		  var image = response.document.querySelector('meta[property="og:image"]').content;
		  return verifyImageUrl(image.replace(/-\d+h(?=(?:\.\w+)?$)/, '')).catch(reason => image);
		});
	  case 'www.csfd.cz': case 'csfd.cz':
		if (!['film', 'tvurce'].some(cat => url.pathname.startsWith('/' + cat + '/'))) break;
		return globalFetch(url).then(function(response) {
		  const gallerySel = 'div.ct-general.photos > div.content > ul > li > div.photo';
		  if (response.document.querySelectorAll(gallerySel).length > 0) return new Promise(function(resolve, reject) {
			var urls = [], domParser = new DOMParser, origin = new URL(response.finalUrl).origin;
			loadPage(response.finalUrl.replace(/\/strana-\d+(?=$|\/|\?)/, ''));

			function loadPage(url) {
			  GM_xmlhttpRequest({ method: 'GET', url: url,
				onload: function(response) {
				  if (response.status < 200 || response.status >= 400) return reject(defaultErrorHandler(response));
				  var dom = domParser.parseFromString(response.responseText, 'text/html');
				  Array.prototype.push.apply(urls, Array.from(dom.querySelectorAll(gallerySel))
					.map(div => /^(?:url)\s*\("?(.+?)"?\)$/i.test(div.style.backgroundImage) ?
						 'https:'.concat(RegExp.$1).replace(/\?.*$/, '') : null));
				  var nextPage = dom.querySelector('div.paginator > a.next[href]');
				  if (nextPage != null) loadPage(origin.concat(nextPage.pathname, nextPage.search)); else resolve(urls);
				},
				onerror: response => { reject(defaultErrorHandler(response)) },
				ontimeout: response => { reject(defaultTimeoutHandler(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 ? verifyImageUrl(imgs[0].src) : notFound;
		  });
		});
	  case 'www.caps-a-holic.com': case 'caps-a-holic.com':
		if (url.pathname != '/c.php') break;
		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 + ')');
			if (node != null && /\b(\d{3,})\s?[x×]\s?(\d{3,})\b/.test(node.textContent)) return parseInt(RegExp.$2);
			console.warn(response.finalUrl, 'failed to get resolution (' + n + ')', node);
			return null;
		  }
		  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)),
			];
		  });
		});
	  case 'www.screenshotcomparison.com': case 'screenshotcomparison.com':
		if (url.pathname.startsWith('/comparison/')) return globalFetch(url).then(function(response) {
		  const origin = new URL(response.finalUrl).origin;
		  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) {
		  const origin = new URL(response.finalUrl).origin;
		  return Array.from(response.document.querySelectorAll('div[align="center"] > table > tbody > tr > td > a[target="_blank"] > img'))
		  	.map(img => origin.concat(img.parentNode.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 ? meta.content : notFound;
	});
  }));
}