☰

[Outdated] Get Into PC - Direct Download

[Outdated] Extract the direct file download links from the redirecting pages.

  1. // ==UserScript==
  2. // @name        [Outdated] Get Into PC - Direct Download
  3. // @description [Outdated] Extract the direct file download links from the redirecting pages.
  4. // @namespace   RainSlide
  5. // @author      RainSlide
  6. // @icon        https://getintopc.com/wp-content/uploads/Getintopc.png
  7. // @version     1.0.20200629.outdated
  8. // @match       https://getintopc.com/*
  9. // @grant       GM_xmlhttpRequest
  10. // @grant       GM_getValue
  11. // @grant       GM_setValue
  12. // @inject-into context
  13. // @run-at      document-end
  14. // ==/UserScript==
  15.  
  16. "use strict";
  17.  
  18. document.querySelectorAll('body .post-content > form[action]').forEach(
  19. 	form => form.addEventListener(
  20. 		"submit", event => {
  21.  
  22. 			event.stopImmediatePropagation();
  23. 			event.preventDefault();
  24.  
  25. //			//
  26.  
  27. form = this.form || event.target;
  28.  
  29. const data = new URLSearchParams( new FormData(form) ).toString();
  30.  
  31. // "URL" is for webpages, and "link" is for direct file download links
  32.  
  33. const currentURL = location.origin + location.pathname;
  34. const  middleURL = form.action || location.origin + "/wait-for-access/";
  35. const   finalURL = GM_getValue("finalURL") || (() => {
  36. 	const temp = "https://share-knowledgee.info/please-wait-file-will-download-automatically-2/";
  37. 	GM_setValue("finalURL", temp);
  38. 	return temp;
  39. })();
  40.  
  41. const xhr = ( url, referrer, success = null, failed  = null ) =>
  42. 	GM_xmlhttpRequest({
  43. 		"url": url,
  44. 		"method": "POST",
  45. 		"responseType": "text",
  46. 		"anonymous": true,
  47. 		"headers": {
  48. 			"Content-Type" : "application/x-www-form-urlencoded",
  49. 			"Origin"       : "https://getintopc.com",
  50. 			"Referrer"     : referrer
  51. 		},
  52. 		"data": data,
  53. 		"onload": success,
  54. 		"onerror": failed,
  55. 		"ontimeout": failed
  56. 	});
  57.  
  58. const isString = something =>
  59. 	Object.prototype.toString.call(something) === "[object String]";
  60.  
  61. const sanitizeURL = rawURL => new URL(rawURL).toString();
  62.  
  63. // Call String.prototype.match(), and get a capturing group from the return value of it
  64. const getGroupfromMatch = ( str, regex, index = 1 ) => {
  65. 	if (
  66. 		isString(str) &&
  67. 		Object.prototype.toString.call(regex) === "[object RegExp]"
  68. 	) {
  69. 		const matchResults = String.prototype.match.call(str, regex); // str.match(regex);
  70. 		return Array.isArray(matchResults)
  71. 			&& isString(matchResults[index])
  72. 			&& matchResults[index];
  73. 	} else {
  74. 		return false;
  75. 	}
  76. };
  77.  
  78. // Extract, sanitize and return the direct download link
  79. const getLink = response => {
  80. 	const rawLink = getGroupfromMatch( response, /"location.href = ('.+?');"/ );
  81. 	if ( rawLink ) {
  82. 		const link = JSON.parse(
  83. 			rawLink.replace( /"/g, '\\"' ).replace( /^'|'$/g, '"' )
  84. 		);
  85. 		return isString(link) && sanitizeURL(link);
  86. 	} else {
  87. 		return false;
  88. 	}
  89. }
  90.  
  91. // submit(): form.submit()
  92. const submit = () => form.submit();
  93.  
  94. // refreshFinalURL(): fetch the middle URL for a new final URL
  95. const refreshFinalURL = () => xhr(
  96. 	middleURL, currentURL, xhrEvent => {
  97. 		// 1. fetch success, try to get a new final URL from middle URL
  98. 		const newFinalURL = sanitizeURL(
  99. 			getGroupfromMatch(
  100. 				xhrEvent.responseText || xhrEvent.response,
  101. 				/<form id="gip_form" action="(.+?)" rel="nofollow" method="post">/
  102. 			)
  103. 		);
  104.  
  105. 		if ( newFinalURL && newFinalURL !== finalURL ) {
  106. 			// 1.1. the new final URL is valid and is not the old one, test it in action
  107. 			xhr(
  108. 				newFinalURL, middleURL, xhrEvent => {
  109. 					const newLink = getLink(xhrEvent.responseText || xhrEvent.response);
  110. 					if (newLink) {
  111. 						// 1.1.1. it works, store the final URL, navgate to the link, end
  112. 						GM_setValue("finalURL", newFinalURL);
  113. 						location.href = Link;
  114. 						return undefined;
  115. 						// 1.1.2. it doesn't work, submit(), end
  116. 					} else submit();
  117. 				}
  118. 			);
  119. 			// 1.2. can't find a usable new final URL, submit(), end
  120. 		} else submit();
  121. 		submit();
  122. 		// 2. fetch failed, submit(), end
  123. 	}, submit
  124. );
  125.  
  126. // Entry point: fetch the final URL
  127. xhr(
  128. 	finalURL, middleURL, xhrEvent => {
  129. 	// 1. fetch success, try to get the link from final URL
  130. 		const link = getLink(xhrEvent.responseText || xhrEvent.response);
  131. 		link
  132. 			? location.assign(link) // 1.1. it works, just navgate to the link and end
  133. 			: refreshFinalURL();    // 1.2. something is wrong, refreshFinalURL()
  134. 	// 2. fetch failed, refreshFinalURL()
  135. 	}, refreshFinalURL
  136. );
  137.  
  138. //			//
  139.  
  140. 		}
  141. 	)
  142. );