feat: WhatsApp with Vonage function

node/whatsapp-with-vonage/.gitignore

@@ -0,0 +1,130 @@
+# 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.*

node/whatsapp-with-vonage/.prettierrc.json

@@ -0,0 +1,6 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": true
+}

node/whatsapp-with-vonage/README.md

@@ -0,0 +1,104 @@
+# 💬 Node.js WhatsApp Bot with Vonage Function
+
+Simple bot to answer WhatsApp messages.
+
+## 🧰 Usage
+
+### `GET`
+
+HTML form for interacting with the model.
+
+### `POST`
+
+Receives a message, validates its signature, and sends a response back to the sender.
+
+**Parameters**
+
+| Name          | Description                         | Location | Type                | Sample Value         |
+| ------------- | ----------------------------------- | -------- | ------------------- | -------------------- |
+| Content-Type  | Content type of the request         | Header   | `application/json ` | N/A                  |
+| Authorization | Webhook signature for verification  | Header   | String              | `Bearer <signature>` |
+| from          | Sender's identifier.                | Body     | String              | `12345`              |
+| text          | Text content of the message.        | Body     | String              | `Hello!`             |
+
+> All parameters are coming from Vonage webhook. Exact documentation can be found in [Vonage API Docs](https://developer.vonage.com/en/api/messages-olympus#inbound-message).
+
+**Response**
+
+Sample `200` Response:
+
+```json
+{
+  "ok": true
+}
+```
+
+Sample `400` Response:
+
+```json
+{
+  "ok": false,
+  "error": "Missing required parameter: from"
+}
+```
+
+Sample `401` Response:
+
+```json
+{
+  "ok": false,
+  "error": "Payload hash mismatch."
+}
+```
+
+## ⚙️ Configuration
+
+| Setting           | Value         |
+| ----------------- | ------------- |
+| Runtime           | Node (18.0)   |
+| Entrypoint        | `src/main.js` |
+| Build Commands    | `npm install` |
+| Permissions       | `any`         |
+| Timeout (Seconds) | 15            |
+
+## 🔒 Environment Variables
+
+### VONAGE_API_KEY
+
+API Key to use the Vonage API.
+
+| Question     | Answer     |
+| ------------ | ---------- |
+| Required     | Yes        |
+| Sample Value | `62...97`  |
+| Documentation | [Vonage: Q&A](https://api.support.vonage.com/hc/en-us/articles/204014493-How-do-I-find-my-Voice-API-key-and-API-secret-) |
+
+### VONAGE_API_SECRET
+
+Secret to use the Vonage API.
+
+| Question     | Answer      |
+| ------------ | ----------- |
+| Required     | Yes         |
+| Sample Value | `Zjc...5PH` |
+| Documentation | [Vonage: Q&A](https://api.support.vonage.com/hc/en-us/articles/204014493-How-do-I-find-my-Voice-API-key-and-API-secret-) |
+
+### VONAGE_API_SIGNATURE_SECRET
+
+Secret to verify the JWT token sent by Vonage.
+
+| Question     | Answer          |
+| ------------ | --------------- |
+| Required     | Yes             |
+| Sample Value | `NXOi3...IBHDa` |
+| Documentation | [Vonage: Signing Messages](https://developer.vonage.com/en/getting-started/concepts/signing-messages) |
+
+### VONAGE_WHATSAPP_NUMBER
+
+Vonage WhatsApp number to send messages from.
+
+| Question     | Answer         |
+| ------------ | -------------- |
+| Required     | Yes            |
+| Sample Value | `+14000000102` |
+| Documentation | [Vonage: Q&A](https://api.support.vonage.com/hc/en-us/articles/4431993282580-Where-do-I-find-my-WhatsApp-Number-Certificate-) |

node/whatsapp-with-vonage/env.d.ts

@@ -0,0 +1,11 @@
+declare global {
+  namespace NodeJS {
+    interface ProcessEnv {
+      VONAGE_API_KEY?: string
+      VONAGE_API_SECRET?: string
+      VONAGE_API_SIGNATURE_SECRET?: string
+    }
+  }
+}
+
+export {}