first commit

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# Clear from any builds
+**/*.exe
+out.js

README.md

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+<center><img src="preview.gif" height="300" alt="Gif Validator preview" /></center>  
+
+
+# 💀 GIF Validator
+GIF Validator is a utility tool that checks your favorite gifs on Discord and identifies any that are no longer available. This ensures your gif collection remains up-to-date and clean from broken links.
+
+## ❗ Requirements
+If you wish to use original JS files (for example if you don't trust the EXE file) you will need:
+- [Node.js](https://nodejs.org/en/) [v21.6.1 or higher]
+- [npm](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) (or any other package manager like yarn/pnpm)
+
+## ⚙ Installation
+
+To install Gif Validator, follow these steps:
+
+1. Clone the repository to your local machine.
+2. Navigate to the cloned directory.
+3. Run `npm install` to install all the necessary dependencies.
+
+## ⌨ Usage
+
+To start using Gif Validator:
+
+1. Ensure you have set up your Discord API token in the configuration file.
+2. Run `npm start` to execute the script.
+
+The script will validate your gifs and remove any that are no longer available leaving you with a clean collection!
+
+## 📖 How to Build
+
+<b>❗ OFFICIAL SUPPORT IS AVAILABLE ONLY FOR WINDOWS</b>  
+If you have any major Linux Distro (Like Ubuntu, Debian etc.), please make a pull request with needed dependencies, scripts and configuration files for build to work on them!
+
+Building is fairly simple, just use the following command:
+```bash
+npm run build-win
+```
+...or open the `build.bat` file in the root of the repository.

build.bat

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+@echo off
+WHERE node >nul 2>nul
+if %ERRORLEVEL% NEQ 0 ( 
+    echo You must install node.js to build this app!
+) else (
+    echo It is recommended to install signtool to remove corrupted signature warning!
+    echo https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/
+
+    .\node_modules\.bin\esbuild index.js --bundle --platform=node --outfile=out.js
+
+    node --experimental-sea-config sea-config.json
+    node -e "require('fs').copyFileSync(process.execPath, 'gif-validator.exe')"
+
+    if NOT exist "C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64\signtool.exe" ( echo Signtool not found. Ignoring... ) else ( "C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64\signtool.exe" remove /s gif-validator.exe )
+
+    npx postject gif-validator.exe NODE_SEA_BLOB sea.blob --sentinel-fuse NODE_SEA_FUSE_fce680ab2cc467b6e072b8b5df1996b2
+
+    if exist sea.blob ( del sea.blob )
+    if exist out.js (  out.js )
+)

classes/GifClient.js

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+const { Helper } = require("./Helper.js")
+const { FrecencyUserSettings } = require("discord-protos")
+const { Axios } = require("axios")
+
+/** Main client class for this project */
+export class GifClient {
+    constructor(token) {
+        if(!token) throw new Error("No token provided")
+
+        this.axios = new Axios({
+            headers: {
+                "Authorization": token,
+                "accept": "*/*",
+                "Content-Type": "application/json",
+                "x-discord-locale": "en-US",
+                "accept-language": "en-US;q=0.9",
+                "Referer": "https://discord.com/channels/@me",
+                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9034 Chrome/108.0.5359.215 Electron/22.3.26 Safari/537.36",
+                "x-discord-timezone": Intl.DateTimeFormat().resolvedOptions().timeZone,
+                "x-super-properties": "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"
+            },
+            transformResponse: (data) => Helper.tryParseJSON(data, true),
+            transformRequest: (data) => JSON.stringify(data)
+         })
+    }
+
+    _handleError(response) {
+        const json = Helper.tryParseJSON(response);
+        if(json) {
+            if(json["message"]) {
+                if(json["message"] === "401: Unauthorized" && json["code"] === 0) throw new Error("Invalid token!")
+                if(!Helper.statusesOK.some(s => json["message"].startsWith(s))) throw new Error(json)
+            }
+            return true
+        }
+        return true
+    }
+
+    /**
+     * Grabs list of gifs and returns them
+     * @returns {Promise<{[key: string]: import("discord-protos").FrecencyUserSettings_FavoriteGIF}>} Gifs
+     */
+    async getGifs() {
+        const {data} = await this.axios.get(Helper.PROTO_URL(2))
+        this._handleError(data)
+
+        const {settings: encodedSettings} = data
+        const decodedSettings = FrecencyUserSettings.fromBase64(encodedSettings)
+
+        return decodedSettings["favoriteGifs"]["gifs"]
+    }
+
+    /**
+     * Validates gifs and removes unavailable ones.
+     * @param {{[key: string]: import("discord-protos").FrecencyUserSettings_FavoriteGIF}} gifs Gifs
+     * @returns {Promise<{[key: string]: import("discord-protos").FrecencyUserSettings_FavoriteGIF}>} Valid Gifs
+     */
+    async validateGifs(gifs) {
+        let newGifs = {...gifs}
+        for (let key of Object.keys(gifs)) {
+            const resp = await this.axios.head(gifs[key].src)
+            if(!Helper.isOK(resp.status)) delete newGifs[key]
+        }
+        return newGifs
+    }
+
+    /**
+     * Saves gifs and returns if it succedded
+     * @param {{[key: string]: import("discord-protos").FrecencyUserSettings_FavoriteGIF}} gifs Gifs to save
+     * @return {Promise<boolean>} Was save successful? 
+     */
+    async saveGifs(gifs) {
+        const decodedSettings = {
+            favoriteGifs: {
+                gifs: gifs
+            }
+        }
+        const encodedSettings = FrecencyUserSettings.toBase64(decodedSettings);
+
+        const {status, data} = await this.axios.patch(Helper.PROTO_URL(2), {settings: encodedSettings})
+        this._handleError(data)
+
+        return Helper.isOK(status)
+    }
+}

classes/Helper.js

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+/** Helper methods for project */
+export class Helper {
+    /** Status codes which are taken as OK */
+    static statusesOK = [
+        ...new Array(8).fill(0).map((_, i) => 200 + i),
+        226
+    ]
+
+    /**
+     * Generates url for proto manipulation
+     * @param {1 | 2 | 3} proto_type Type of proto
+     * @returns {string} URL
+     */
+    static PROTO_URL = (proto_type) => "https://discord.com/api/v9/users/@me/settings-proto/".concat(proto_type)
+
+    /**
+     * Tries to parse a JSON string to object
+     * @param {string} maybeJson String that might be a JSON 
+     * @param {boolean} shouldReturnBack Should function return string on error?
+     * @returns {object|null} Parsed object if valid JSON | null if invalid
+     */
+    static tryParseJSON(maybeJson = "", shouldReturnBack = false){
+        try {return JSON.parse(maybeJson)}
+        catch {return shouldReturnBack ? maybeJson : null}
+    }
+
+    /**
+     * Checks if status code is an OK response (200-208 & 226)
+     * @param {number} status Status code
+     * @returns {boolean} Is OK?
+     */
+    static isOK(status) {
+        return Helper.statusesOK.includes(status)
+    }
+}

classes/RL.js

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+const { createInterface } = require("readline")
+const { stdin, stdout } = require("process")
+
+/** Class for prompting user in terminal */
+export class RL {
+    constructor() {
+        this.interface = createInterface(stdin, stdout)
+    }
+
+    /**
+     * Prompts user
+     * @param {string} question Question for the readline function
+     * @param {boolean} require Is method accepting empty strings?
+     * @returns {Promise<string>} Answer 
+     */
+    async readLine(question = "", require = false) {
+        const q = (q) => new Promise(resolve => this.interface.question(q, resolve))
+        let a = ""
+
+        if(require) while(a.trim().length === 0) a = await q(question)
+        else a = await q(question)
+
+        return a
+    }
+
+    /**
+     * Prompts user staticaally without need of new classes
+     * @param {string} question Question for the readline function
+     * @param {boolean} require Is method accepting empty strings?
+     * @returns {Promise<string>} Answer 
+     */
+    static async readLine(question = "", require = false) {
+        const instance = new RL()
+        return instance.readLine(question, require)
+    }
+}

clear.bat

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+@echo off
+
+if exist sea.blob ( del sea.blob )
+if exist out.js ( del out.js )
+if exist gif-validator.exe ( del gif-validator.exe )

index.js

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+const { GifClient } = require("./classes/GifClient.js");
+const { RL } = require("./classes/RL.js");
+
+process.removeAllListeners('warning')
+
+RL.readLine("Provide your token here: ", true).then(async token => {
+    const client = new GifClient(token)
+
+    console.log("Grabbing gifs...")
+    const gifs = await client.getGifs()
+
+    console.log(`Validating ${Object.keys(gifs).length} gifs...`)
+    const validatedGifs = await client.validateGifs(gifs)
+
+    console.log(`Got ${Object.keys(validatedGifs).length} valid gifs... saving them.`)
+    const result = await client.saveGifs(validatedGifs);
+
+    if(result) console.log(`Successfully validated and saved ${Object.keys(validatedGifs).length} gifs!`)
+    else console.log("Something went wrong... maybe discord updated their servers. If so, this app WON'T work anymore.")
+
+    setTimeout(process.exit, 5_000) // Delay before closing
+})