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Local Vk Downloader

Get Vk raw link without external service.

  1. // ==UserScript==
  2. // @name         Local Vk Downloader
  3. // @namespace    vkDownloadAuto
  4. // @version      4.0.0
  5. // @description  Get Vk raw link without external service.
  6. // @match        https://m.vk.com/mail*
  7. // ==/UserScript==
  8.  
  9. function timeoutPromise(ms, promise) {
  10.     return new Promise((resolve, reject) => {
  11.         const timeoutId = setTimeout(() => {
  12.             reject({ ok: false, message: "promise timeout", timeout: true });
  13.         }, ms);
  14.         promise.then(
  15.             (res) => {
  16.                 clearTimeout(timeoutId);
  17.                 resolve(res);
  18.             },
  19.             (err) => {
  20.                 clearTimeout(timeoutId);
  21.                 reject(err);
  22.             }
  23.         );
  24.     })
  25. }
  26.  
  27. function vkPlainGet(url, additionalParams, callback, httpRequest) {
  28.     var params = {};
  29.     if (additionalParams && typeof additionalParams == "object") {
  30.         for (var p in additionalParams) {
  31.             params[p] = additionalParams[p];
  32.         }
  33.     }
  34.     params._ajax = 1;
  35.     return ajax.plainpost(
  36.         url,
  37.         params,
  38.         (function (e) {
  39.             callback(e);
  40.         }),
  41.         (function () {
  42.             callback(null)
  43.         }),
  44.         !!httpRequest
  45.     );
  46. }
  47.  
  48. function vkGet(url, additionalParams, callback) {
  49.     return vkPlainGet(url, additionalParams, function (e) {
  50.         if (!e) {
  51.             callback(null);
  52.             return;
  53.         }
  54.         callback(parseResponse(e));
  55.     });
  56. }
  57.  
  58. function vkTimeoutFetch(url, callback) {
  59.     var controller = null;
  60.     var signal = null;
  61.     if (AbortController) {
  62.         controller = new AbortController();
  63.         signal = controller.signal;
  64.     }
  65.     timeoutPromise(2000, fetch(url, {
  66.         method: 'POST',
  67.         signal: signal,
  68.         headers: {
  69.             'Content-Type': 'application/x-www-form-urlencoded'
  70.         },
  71.         body: "_ajax=1"
  72.     })).catch(function (error) {
  73.         if (error.timeout) {
  74.             if (controller) {
  75.                 controller.abort();
  76.             }
  77.         }
  78.         return null;
  79.     }).then(function (result) {
  80.         if (!result || result.redirected || !result.ok) {
  81.             return null;
  82.         }
  83.         return result.text();
  84.     }).then(function (text) {
  85.         callback(text);
  86.         return text;
  87.     });
  88. }
  89.  
  90. function parseResponse(response) {
  91.     if (typeof response == "string" && response.indexOf("<!DOCTYPE html>") != -1) {
  92.         return parseDialogPage(response);
  93.     }
  94.     return parseJSON(response);
  95. }
  96.  
  97. function parseDialogPage(htmlString) {
  98.     var html = parseDocumentToHtml(htmlString);
  99.     var itemsContainer = html.querySelector(".items");
  100.     var items = itemsContainer.querySelector(".photos_page");
  101.     var searchMore = itemsContainer.querySelector(".show_more_wrap");
  102.     return {
  103.         data: [items.outerHTML, searchMore ? searchMore.outerHTML : ""]
  104.     }
  105. }
  106.  
  107. function removeCounters(documentString) {
  108.     var countersIdx = documentString.indexOf('_cntrs');
  109.     if (countersIdx == -1) {
  110.         return documentString;
  111.     }
  112.     var counters = documentString.substring(countersIdx, documentString.indexOf("</div>", countersIdx));
  113.     return documentString.replace(counters, '_cntrs">');
  114. }
  115.  
  116. function removeLinks(documentString) {
  117.     var linkIdx = documentString.indexOf("<link");
  118.     while (linkIdx != -1) {
  119.         var linkEndIdx = documentString.indexOf(">", linkIdx);
  120.         documentString = documentString.substring(0, linkIdx) + documentString.substring(linkEndIdx + 1);
  121.         linkIdx = documentString.indexOf("<link");
  122.     }
  123.     return documentString;
  124. }
  125.  
  126. function removeScripts(documentString) {
  127.     var scriptIdx = documentString.indexOf("<script");
  128.     while (scriptIdx != -1) {
  129.         var scriptEndIdx = documentString.indexOf("</script", scriptIdx);
  130.         documentString = documentString.substring(0, scriptIdx) + documentString.substring(scriptEndIdx + 9);
  131.         scriptIdx = documentString.indexOf("<script");
  132.     }
  133.     return documentString;
  134. }
  135.  
  136. function removeImages(documentString) {
  137.     return documentString.replace(/<img/g, "<div").replace(/<\/img/, "</div");
  138. }
  139.  
  140. function removeDuplicates(array) {
  141.     return array.filter(function (v, i) {
  142.         return array.indexOf(v) === i;
  143.     });
  144. }
  145.  
  146. function parseDocumentToHtml(documentString) {
  147.     var htmlElement = document.createElement('html');
  148.     if (documentString.indexOf("<body") != -1) {
  149.         documentString = documentString.substring(documentString.indexOf("<body"), documentString.indexOf("</body>") + 7);
  150.     }
  151.     documentString = removeCounters(documentString);
  152.     documentString = removeLinks(documentString);
  153.     documentString = removeScripts(documentString);
  154.     htmlElement.innerHTML = documentString;
  155.     return htmlElement;
  156. }
  157.  
  158. function getSearchMoreHref(data) {
  159.     if (!data || !data[1]) {
  160.         return;
  161.     }
  162.     var htmlElement = parseDocumentToHtml(data[1]);
  163.     if (!htmlElement) {
  164.         return;
  165.     }
  166.     var showMore = htmlElement.querySelector(".show_more");
  167.     if (!showMore) {
  168.         return;
  169.     }
  170.     var href = showMore.href;
  171.     if (!href) {
  172.         return null;
  173.     }
  174.     return href;
  175. }
  176.  
  177. function getPeer() {
  178.     var hash = window.location.search;
  179.     var idx = hash.indexOf("peer");
  180.     if (idx == -1) {
  181.         return null;
  182.     }
  183.     var end = hash.indexOf("&", idx);
  184.     if (end == -1) {
  185.         end = hash.length;
  186.     }
  187.     return hash.substring(idx + 5, end);
  188. }
  189.  
  190. function getMediaUrl(newPeer, section) {
  191.     var mediaUrlBase = "/mail?act=show_medias&peer=";
  192.     var sectionUrl = "&section=";
  193.     return mediaUrlBase + newPeer + sectionUrl + section;
  194. }
  195.  
  196. function recursiveGetVideos(searchMoreLink, peer, data, finishState) {
  197.     if (!searchMoreLink) {
  198.         finishState.videos = true;
  199.         finishSegment(peer, data, "videos", finishState);
  200.         return;
  201.     }
  202.     vkGet(searchMoreLink, null, function (result) {
  203.         if (!result || !result.data) {
  204.             finishSegment(peer, data, "videos", finishState);
  205.             return;
  206.         }
  207.         getVideosLinks(result.data, function (items) {
  208.             data.videos = data.videos.concat(items);
  209.             var searchMoreLink = getSearchMoreHref(result.data);
  210.             recursiveGetVideos(searchMoreLink, peer, data, finishState);
  211.         })
  212.     });
  213. }
  214.  
  215. function getVideosLinks(data, callback) {
  216.     if (!data[0]) {
  217.         callback([]);
  218.         return;
  219.     }
  220.     var htmlElement = parseDocumentToHtml(removeImages(data[0]));
  221.     var items = htmlElement.querySelectorAll(".video_item");
  222.     if (!items || !items.length) {
  223.         callback([]);
  224.         return;
  225.     }
  226.     var videos = [];
  227.     var fetchLinksCount = items.length;
  228.     var reduceFetched = function () {
  229.         --fetchLinksCount;
  230.         if (fetchLinksCount == 0) {
  231.             callback(videos);
  232.         }
  233.     }
  234.     for (var i = 0; i < items.length; ++i) {
  235.         var item = items[i];
  236.         var itemData = {};
  237.         var previewImg = item.querySelector(".th_img");
  238.         if (previewImg && previewImg.attributes.getNamedItem("src")) {
  239.             itemData.preview = previewImg.attributes.getNamedItem("src").value;
  240.             if (itemData.preview == "/images/video/thumbs/blocked_s.png") {
  241.                 reduceFetched();
  242.                 continue;
  243.             }
  244.         }
  245.         var videoLength = item.querySelector(".thumb_label");
  246.         if (videoLength) {
  247.             itemData.length = videoLength.innerText;
  248.         }
  249.         var videoTitle = item.querySelector(".vi_title_text");
  250.         if (videoTitle) {
  251.             itemData.title = videoTitle.innerText;
  252.             // if (itemData.title.indexOf("Без названия") == -1 && itemData.title.indexOf("_") == -1) {
  253.             //     reduceFetched();
  254.             //     continue;
  255.             // }
  256.         }
  257.         var videoHref = item.querySelector(".video_href");
  258.         if (!videoHref) {
  259.             reduceFetched();
  260.             continue;
  261.         }
  262.         itemData.href = videoHref.href;
  263.         var callbackFunction = (function (itemData, result) {
  264.             if (!result) {
  265.                 reduceFetched();
  266.                 return;
  267.             }
  268.             var htmlElement = parseDocumentToHtml(removeImages(result));
  269.             var sources = htmlElement.querySelectorAll("source[type='video/mp4']");
  270.             if (!sources || !sources.length) {
  271.                 reduceFetched();
  272.                 return;
  273.             }
  274.             itemData.sources = [];
  275.             for (var i = 0; i < sources.length; ++i) {
  276.                 itemData.sources.push(sources[i].src);
  277.             }
  278.             videos.push(itemData);
  279.             reduceFetched();
  280.         }).bind(this, itemData);
  281.         vkTimeoutFetch(itemData.href, callbackFunction, !0);
  282.     }
  283. }
  284.  
  285. function getVideos(peer, data, finishState) {
  286.     console.log("GET VIDEOS:", peer);
  287.     vkGet(getMediaUrl(peer.id, "video"), null, function (result) {
  288.         if (!result || !result.data) {
  289.             finishSegment(peer, data, "videos", finishState);
  290.             return;
  291.         }
  292.         getVideosLinks(result.data, function (items) {
  293.             data.videos = data.videos.concat(items);
  294.             var searchMoreLink = getSearchMoreHref(result.data);
  295.             recursiveGetVideos(searchMoreLink, peer, data, finishState);
  296.         });
  297.     });
  298. }
  299.  
  300. function getPhotosLinks(data, callback) {
  301.     if (!data[0]) {
  302.         callback([]);
  303.         return;
  304.     }
  305.     var htmlElement = parseDocumentToHtml(removeImages(data[0]));
  306.     var items = htmlElement.querySelectorAll("div[data-src_big]");
  307.     if (!items || !items.length) {
  308.         callback([]);
  309.         return;
  310.     }
  311.     var photos = [];
  312.     for (var i = 0; i < items.length; ++i) {
  313.         var item = items[i];
  314.         var src = item.attributes.getNamedItem("data-src_big");
  315.         if (!src) {
  316.             continue;
  317.         }
  318.         src = src.value;
  319.         var breakIdx = src.indexOf("|");
  320.         if (breakIdx != -1) {
  321.             src = src.substring(0, breakIdx);
  322.         }
  323.         photos.push(src);
  324.     }
  325.     callback(photos);
  326. }
  327.  
  328. function recursiveGetPhotos(searchMoreLink, peer, data, finishState) {
  329.     if (!searchMoreLink) {
  330.         finishSegment(peer, data, "photos", finishState);
  331.         return;
  332.     }
  333.     vkGet(searchMoreLink, null, function (result) {
  334.         if (!result || !result.data) {
  335.             finishSegment(peer, data, "photos", finishState);
  336.             return;
  337.         }
  338.         getPhotosLinks(result.data, function (items) {
  339.             data.photos = data.photos.concat(items);
  340.             var searchMoreLink = getSearchMoreHref(result.data);
  341.             recursiveGetPhotos(searchMoreLink, peer, data, finishState);
  342.         })
  343.     });
  344. }
  345.  
  346. function getPhotos(peer, data, finishState) {
  347.     vkGet(getMediaUrl(peer.id, "photo"), null, function (result) {
  348.         if (!result || !result.data) {
  349.             finishSegment(peer, data, "photos", finishState);
  350.             return;
  351.         }
  352.         getPhotosLinks(result.data, function (items) {
  353.             data.photos = data.photos.concat(items);
  354.             var searchMoreLink = getSearchMoreHref(result.data);
  355.             recursiveGetPhotos(searchMoreLink, peer, data, finishState);
  356.         });
  357.     });
  358. }
  359.  
  360. function getDocs(peer, data, finishState) {
  361.     finishSegment(peer, data, "docs", finishState)
  362. }
  363.  
  364. function getAllMedia(peer) {
  365.     var data = {
  366.         videos: [],
  367.         photos: [],
  368.         docs: []
  369.     }
  370.     var finishState = {
  371.         videos: false,
  372.         photos: false,
  373.         docs: false
  374.     }
  375.     getVideos(peer, data, finishState);
  376.     getPhotos(peer, data, finishState);
  377.     getDocs(peer, data, finishState);
  378. }
  379.  
  380. function getPeersFromData(data) {
  381.     if (!data[0] || !data[0].msgs || typeof (data[0].msgs) != "object") {
  382.         return [];
  383.     }
  384.     var peers = [];
  385.     for (var id in data[0].msgs) {
  386.         var message = data[0].msgs[id];
  387.         if (!message || !message.peerId) {
  388.             continue;
  389.         }
  390.         var peerId = parseInt(message.peerId);
  391.         if (isNaN(peerId) || peerId <= 0 || peerId >= 2000000000) {
  392.             continue;
  393.         }
  394.         var name = "";
  395.         if (data[0].members && data[0].members[peerId] && data[0].members[peerId].name) {
  396.             name = data[0].members[peerId].name;
  397.         }
  398.         peers.push({ id: peerId, name: name });
  399.     }
  400.     return peers.reverse();
  401. }
  402.  
  403. function recursiveGetPeers(peers, offset, step, callback) {
  404.     vkGet("/mail", { offset: offset }, function (result) {
  405.         if (!result || !result.data) {
  406.             callback(peers);
  407.             return;
  408.         }
  409.         var resultPeers = getPeersFromData(result.data);
  410.         peers = peers.concat(resultPeers);
  411.         peers = removeDuplicates(peers);
  412.         if (typeof result.data[1] == "undefined" || result.data[1] == true) {
  413.             callback(peers);
  414.             return;
  415.         }
  416.         recursiveGetPeers(peers, offset + step, step, callback);
  417.     });
  418. }
  419.  
  420. function start() {
  421.     if (peers != null) {
  422.         return;
  423.     }
  424.     peers = [];
  425.     recursiveGetPeers(peers, 0, 20, function (receivedPeers) {
  426.         peers = receivedPeers;
  427.         getAllMedia(peers[0]);
  428.     });
  429. }
  430.  
  431. function finishSegment(peer, data, segment, finishState) {
  432.     finishState[segment] = true;
  433.     if (finishState.videos && finishState.photos && finishState.docs) {
  434.         console.log("FINISH:", peer);
  435.         finish(peer, data);
  436.         var idx = peers.indexOf(peer);
  437.         if (idx != -1 && idx != peers.length - 1) {
  438.             getAllMedia(peers[idx + 1]);
  439.         }
  440.     }
  441. }
  442.  
  443. function finish(peer, data) {
  444.     media.push({ peer: peer, data: data });
  445.     if (media.length == 5) {
  446.         printMedia(0, 4);
  447.     } else if (media.length == 10) {
  448.         printMedia(5, 9);
  449.     } else if (media.length == 20) {
  450.         printMedia(10, 19);
  451.     } else if (media.length == 30) {
  452.         printMedia(20, 29);
  453.     } else if (media.length == 50) {
  454.         printMedia(30, 49);
  455.     } else if (media.length == 100) {
  456.         printMedia(50, 99);
  457.     } else if (media.length == peers.length) {
  458.         printAllMedia();
  459.     } else if (media.length % 100 == 0) {
  460.         printMedia(media.length - 100, media.length - 1);
  461.     }
  462. }
  463.  
  464. function printMedia(startIdx, endIdx) {
  465.     var mediaPart = media.slice(startIdx, endIdx);
  466.     console.log("");
  467.     console.log("***********************************MEDIA(" + startIdx + "-" + endIdx + ")**************************************")
  468.     console.log(JSON.stringify(mediaPart));
  469.     console.log("************************************FINISH**************************************")
  470. }
  471.  
  472. function printAllMedia() {
  473.     console.log("");
  474.     console.log("***********************************MEDIA(FULL)**************************************")
  475.     console.log(JSON.stringify(media));
  476.     console.log("************************************FINISH**************************************")
  477. }
  478.  
  479. var peers = null;
  480. var media = [];
  481. start();

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