tiktok-downloader
Version:
A JavaScript package to download videos from TikTok.
209 lines (208 loc) • 12 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
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if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var bypassCorsHeaders = "https://cors-tiktok.herokuapp.com/?u="; //Bypass CORS (Github : https://github.com/abdelyouni/cors-tiktok)
var linkPattern = '<link data-react-helmet="true" rel="canonical" href="';
var greaterSymbol = '>';
var closingTag = '/>';
var invertedTag = '</';
var idPattern = 'id="__NEXT_DATA__"';
var downloadParameter = '&d=1';
var tiktokRegex = /https?:\/\/www\.tiktok\.com\/@.+\/video\/\d*/gm;
var tiktokMobileRegex = /https?:\/\/m\.tiktok\.com\/v\/\d*/gm;
var tiktokMobileAltRegex = /https?:\/\/vm\.tiktok\.com\/\d*/gm;
var JSTikTok;
(function (JSTikTok) {
function validateUrl(url) {
return url && (tiktokRegex.test(url) || tiktokMobileRegex.test(url) || tiktokMobileAltRegex.test(url));
}
JSTikTok.validateUrl = validateUrl;
function urlEncode(str) {
if (str) {
str = encodeURIComponent(str)
.replace('!', '%21')
.replace('\'', '%27')
.replace('(', '%28')
.replace(')', '%29')
.replace('*', '%2A')
.replace('%20', '+');
}
return str;
}
JSTikTok.urlEncode = urlEncode;
function getBlob(url) {
return new Promise(function (response, reject) {
var xhr = new XMLHttpRequest();
xhr.open('get', url, true);
xhr.responseType = 'blob';
xhr.onload = function () { return response(xhr.response); };
xhr.onerror = function (e) { return reject(e); };
xhr.send();
});
}
JSTikTok.getBlob = getBlob;
function getInfo(url) {
return __awaiter(this, void 0, void 0, function () {
var tiktokUrl, resp, json, video, music, author;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
tiktokUrl = bypassCorsHeaders + urlEncode(url);
return [4 /*yield*/, fetch(tiktokUrl).then(function (response) { return response.text(); }).then(function (data) { return data; })];
case 1:
resp = _a.sent();
if (!resp.includes(linkPattern)) return [3 /*break*/, 3];
tiktokUrl = urlEncode(resp.split(linkPattern)[1].split(greaterSymbol)[0]);
return [4 /*yield*/, fetch(bypassCorsHeaders + tiktokUrl).then(function (response) { return response.text(); }).then(function (data) { return data; })];
case 2:
resp = _a.sent();
_a.label = 3;
case 3:
json = JSON.parse(resp.split(idPattern)[1].split(invertedTag)[0].split(closingTag)[1]);
video = {
id: json.props.pageProps.itemInfo.itemStruct.video.id,
height: json.props.pageProps.itemInfo.itemStruct.video.height,
duration: json.props.pageProps.itemInfo.itemStruct.video.duration,
sizeFormat: json.props.pageProps.itemInfo.itemStruct.video.ratio,
cover: json.props.pageProps.itemInfo.itemStruct.video.cover,
animatedCover: json.props.pageProps.itemInfo.itemStruct.video.dynamicCover,
likes: json.props.pageProps.itemInfo.itemStruct.stats.diggCount,
shares: json.props.pageProps.itemInfo.itemStruct.stats.shareCount,
comments: json.props.pageProps.itemInfo.itemStruct.stats.commentCount,
views: json.props.pageProps.itemInfo.itemStruct.stats.playCount,
title: json.props.pageProps.metaParams.title,
keywords: json.props.pageProps.metaParams.keywords,
description: json.props.pageProps.metaParams.description,
original_url: json.props.pageProps.metaParams.canonicalHref,
download_url: json.props.pageProps.itemInfo.itemStruct.video.downloadAddr,
};
music = {
id: json.props.pageProps.itemInfo.itemStruct.music.id,
title: json.props.pageProps.itemInfo.itemStruct.music.title,
cover_large: json.props.pageProps.itemInfo.itemStruct.music.coverLarge,
cover_medium: json.props.pageProps.itemInfo.itemStruct.music.coverMedium,
cover_small: json.props.pageProps.itemInfo.itemStruct.music.coverThumb,
artist: json.props.pageProps.itemInfo.itemStruct.music.authorName,
album: json.props.pageProps.itemInfo.itemStruct.music.album,
duration: json.props.pageProps.itemInfo.itemStruct.music.duration,
url: json.props.pageProps.itemInfo.itemStruct.music.playUrl,
};
author = {
id: json.props.pageProps.itemInfo.itemStruct.author.id,
uniqueId: json.props.pageProps.itemInfo.itemStruct.author.uniqueId,
username: json.props.pageProps.itemInfo.itemStruct.author.nickname,
avatar_large: json.props.pageProps.itemInfo.itemStruct.author.avatarLarger,
avatar_medium: json.props.pageProps.itemInfo.itemStruct.author.avatarMedium,
avatar_small: json.props.pageProps.itemInfo.itemStruct.author.avatarThumb,
signature: json.props.pageProps.itemInfo.itemStruct.author.signature,
createDate: json.props.pageProps.itemInfo.itemStruct.author.createTime,
isVerified: json.props.pageProps.itemInfo.itemStruct.author.verified,
followers: json.props.pageProps.itemInfo.itemStruct.authorStats.followerCount,
followings: json.props.pageProps.itemInfo.itemStruct.authorStats.followingCount,
hearts: json.props.pageProps.itemInfo.itemStruct.authorStats.heart,
totalVideos: json.props.pageProps.itemInfo.itemStruct.authorStats.videoCount,
diggCount: json.props.pageProps.itemInfo.itemStruct.authorStats.diggCount,
};
return [2 /*return*/, {
video: video,
music: music,
author: author
}];
}
});
});
}
JSTikTok.getInfo = getInfo;
function downloadMusic(url) {
return __awaiter(this, void 0, void 0, function () {
var info, downloadUrl, blob;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (url == null) {
throw 'No URL was provided.';
}
if (!validateUrl(url)) {
throw 'The URL provided is not valid.';
}
return [4 /*yield*/, getInfo(url)];
case 1:
info = _a.sent();
downloadUrl = bypassCorsHeaders + urlEncode(info.music.url) + downloadParameter;
return [4 /*yield*/, getBlob(downloadUrl)];
case 2:
blob = _a.sent();
return [2 /*return*/, {
blob: blob,
fileName: info.music.id,
type: 'mp3'
}];
}
});
});
}
JSTikTok.downloadMusic = downloadMusic;
function downloadVideo(url) {
return __awaiter(this, void 0, void 0, function () {
var info, downloadUrl, blob;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (url == null) {
throw 'No URL was provided.';
}
if (!validateUrl(url)) {
throw 'The URL provided is not valid.';
}
return [4 /*yield*/, getInfo(url)];
case 1:
info = _a.sent();
downloadUrl = bypassCorsHeaders + urlEncode(info.video.download_url) + downloadParameter;
return [4 /*yield*/, getBlob(downloadUrl)];
case 2:
blob = _a.sent();
return [2 /*return*/, {
blob: blob,
fileName: info.video.id,
type: 'mp4'
}];
}
});
});
}
JSTikTok.downloadVideo = downloadVideo;
})(JSTikTok = exports.JSTikTok || (exports.JSTikTok = {}));