Moved to JS, using JSDOM and added Docker

.dockerignore

@@ -0,0 +1 @@
+node_modules

.editorconfig

@@ -11,6 +11,6 @@ trim_trailing_whitespace = true
 charset = utf-8
 
 # 4 space indentation
-[*.py]
+[*.js]
 indent_style = space
-indent_size = 4
+indent_size = 2

.gitignore

@@ -1,3 +1,3 @@
 /.venv
 /.vscode
-__pycache__
+/node_modules

Dockerfile

@@ -0,0 +1,9 @@
+FROM node:17
+
+WORKDIR /usr/src/app
+
+COPY package.json ./
+RUN yarn install
+COPY . .
+EXPOSE 8080
+CMD [ "node", "server.js" ]

README.md

@@ -1,26 +1,21 @@
 # SignTok
 Sign your TikTok urls easily.
-This is a port of [tiktok-signature](https://github.com/carcabot/tiktok-signature) to Python using Selenium and Selenium Stealth
-
-[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)
+This is a port of [tiktok-signature](https://github.com/carcabot/tiktok-signature) using JSDOM
 
 ## Installation
 ```
-pip install -r requirements.txt
+yarn install
 ```
 You also need to have Chrome installed
 
 ## Usage
 For webserver:
 ```
-python web.py
+node server.py
 ```
 Then you can send a POST request to localhost:8080 with a raw/plain body containing the url
 
 For cli usage:
 ```
-python cli.py
+node index.js 'YOUR_URL_HERE'
 ```
-
-## TODO
-* Docker

app.json

@@ -4,19 +4,13 @@
     "keywords": [
         "tiktok",
         "api",
-        "python"
+        "node"
     ],
     "website": "https://github.com/pablouser1/SignTok",
     "repository": "https://github.com/pablouser1/SignTok",
     "buildpacks": [
         {
-            "url": "https://github.com/heroku/heroku-buildpack-google-chrome"
-        },
-        {
-            "url": "https://github.com/heroku/heroku-buildpack-chromedriver"
-        },
-        {
-            "url": "heroku/python"
+            "url": "heroku/nodejs"
         }
     ]
 }

index.js

@@ -0,0 +1,9 @@
+const Signer = require("./src/Signer")
+
+if (process.argv.length > 2) {
+  const signer = new Signer()
+  const url = process.argv[2]
+
+  const data = signer.sign(url)
+  console.log(data)
+}

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "signtok",
+  "version": "1.0.0",
+  "description": "Sign your TikTok requests easily",
+  "repository": "https://github.com/pablouser1/SignTok",
+  "author": "Pablo Ferreiro",
+  "license": "MIT",
+  "private": true,
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "canvas": "^2.9.1",
+    "crypto-js": "^4.1.1",
+    "express": "^4.17.3",
+    "jsdom": "^19.0.0"
+  }
+}

server.js

@@ -0,0 +1,30 @@
+const Signer = require("./src/Signer")
+const bodyParser = require("body-parser")
+const express = require("express")
+
+const port = process.env.PORT || 8080
+const app = express()
+app.use(bodyParser.text())
+
+const signer = new Signer()
+
+app.get('/', (req, res) => {
+  res.redirect('https://github.com/pablouser1/SignTok')
+})
+
+app.post("/signature", (req, res) => {
+  const url = req.body
+  const data = signer.sign(url)
+  console.log("Sent data from request with url: " + url)
+  res.send({
+    status: "ok",
+    data: {
+      ...data,
+      navigator: signer.navigator()
+    }
+  })
+})
+
+app.listen(port, () => {
+  console.log(`App listening on port ${port}`)
+})

src/Signer.js

@@ -0,0 +1,78 @@
+const fs = require("fs")
+const Utils = require("./Utils")
+const { JSDOM, ResourceLoader } = require("jsdom")
+const CryptoJS = require("crypto-js")
+
+class Signer {
+  static DEFAULT_USERAGENT =
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.109 Safari/537.36"
+  static PASSWORD = CryptoJS.enc.Utf8.parse('webapp1.0+202106')
+  /**
+   * @type Window
+   */
+  window = null
+
+  constructor(userAgent = Signer.DEFAULT_USERAGENT) {
+    const signature_js = fs.readFileSync(__dirname + "/../js/signature.js", "utf-8")
+    const resourceLoader = new ResourceLoader({
+      userAgent
+    })
+
+    const { window } = new JSDOM(``, {
+      url: "https://www.tiktok.com",
+      referrer: "https://www.tiktok.com",
+      contentType: "text/html",
+      includeNodeLocations: true,
+      runScripts: "outside-only",
+      resources: resourceLoader
+    })
+    this.window = window
+    this.window.eval(signature_js.toString())
+    this.window.byted_acrawler.init({
+      "aid":24,
+      "dfp":true
+    })
+  }
+
+  navigator() {
+    return {
+      deviceScaleFactor: this.window.devicePixelRatio,
+      user_agent: this.window.navigator.userAgent,
+      browser_language: this.window.navigator.language,
+      browser_platform: this.window.navigator.platform,
+      browser_name: this.window.navigator.appCodeName,
+      browser_version: this.window.navigator.appVersion
+    }
+  }
+
+  signature(url) {
+    return this.window.byted_acrawler.sign({ url })
+  }
+
+  xttparams(params) {
+    params += "&is_encryption=1"
+    const crypt = CryptoJS.AES.encrypt(params, Signer.PASSWORD, {
+      iv: Signer.PASSWORD,
+      mode: CryptoJS.mode.CBC,
+      padding: CryptoJS.pad.Pkcs7
+    }).toString()
+    return crypt
+  }
+
+  sign(url) {
+    const verifyFp = Utils.verify_fp()
+    url += "&verifyFp=" + verifyFp
+    const signature = this.signature(url)
+    const signed_url = url + "&_signature=" + signature
+    const params = new URL(url).searchParams.toString()
+    const xttparams = this.xttparams(params)
+    return {
+      signature: signature,
+      verify_fp: verifyFp,
+      signed_url: signed_url,
+      "x-tt-params": xttparams
+    }
+  }
+}
+
+module.exports = Signer

src/Utils.js

@@ -0,0 +1,8 @@
+class Utils {
+  static verify_fp() {
+    // TODO, add proper verify fp method
+    return "verify_68b8ccfa65726db8b3db0cc07821d696"
+  }
+}
+
+module.exports = Utils