1.0.0

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.env.example

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+# Hostname or IP for the application
+HOST=localhost
+
+# Port number for the application
+PORT=3000
+
+# API URL for QuickBlox
+# To use QuickBlox, you'll need to create an app and obtain the necessary API URL.
+# Follow the instructions in the article "How to Create an App and Use QuickBlox Admin Panel" to create your app and find the appropriate API URL.
+# Article link: https://quickblox.com/blog/how-to-create-an-app-and-use-quickblox-admin-panel/
+QUICKBLOX_API_URL=https://api.quickblox.com
+
+
+# API Key for AI API
+# Replace <OPENAI_API_KEY> with your actual API key.
+# You can obtain your API key from the OpenAI platform.
+# Visit the OpenAI documentation for more information on authentication and obtaining an API key.
+# Documentation link: https://platform.openai.com/docs/api-reference/authentication
+OPENAI_API_KEY=<OPENAI_API_KEY>
+
+# Path to SSL certificates (Optional)
+# If you need an HTTPS connection for the application, set the path to the SSL certificates.
+# If you leave these parameters empty, the application will be launched with an HTTP connection.
+SSL_KEY_FILE=''
+SSL_CERT_FILE=''

.eslintrc

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+{
+  "env": {
+    "node": true
+  },
+  "parserOptions": {
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "extends": [
+    "airbnb",
+    "prettier",
+    "plugin:prettier/recommended"
+  ],
+  "plugins": [
+    "prettier"
+  ],
+  "rules": {
+    "camelcase": "off",
+    "no-shadow": "off",
+    "no-underscore-dangle": "off",
+    "padding-line-between-statements": [
+      "error",
+      {
+        "blankLine": "always",
+        "prev": "*",
+        "next": "if"
+      },
+      {
+        "blankLine": "always",
+        "prev": "*",
+        "next": "return"
+      },
+      {
+        "blankLine": "always",
+        "prev": ["const", "let", "var"],
+        "next": "*"
+      },
+      {
+        "blankLine": "any",
+        "prev": ["const", "let", "var"],
+        "next": ["const", "let", "var"]
+      }
+    ]
+  }
+}

.gitignore

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+# Node.js
+node_modules/
+
+# IDE
+.vscode/
+
+# Logs
+*.log
+
+# Environment variables
+.env

.prettierignore

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+/node_modules
+/public
+package.json
+package-lock.json

.prettierrc

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+{
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "endOfLine": "lf",
+  "arrowParens": "always"
+}

LICENSE

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+MIT License
+
+Copyright (c) 2023 IlliaChemolosov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

package.json

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+{
+  "name": "qbaiproxy",
+  "version": "0.0.1",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "inspect": "node --inspect server.js",
+    "lint": "eslint ."
+  },
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "axios": "^1.4.0",
+    "body-parser": "^1.20.2",
+    "cors": "^2.8.5",
+    "dotenv": "^16.3.1",
+    "express": "^4.18.2"
+  },
+  "devDependencies": {
+    "eslint": "^8.46.0",
+    "eslint-config-airbnb": "^19.0.4",
+    "eslint-config-prettier": "^8.9.0",
+    "eslint-plugin-prettier": "^5.0.0",
+    "prettier": "^3.0.0"
+  }
+}

server.js

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+const fs = require('fs')
+const https = require('https')
+const express = require('express')
+const cors = require('cors')
+const bodyParser = require('body-parser')
+const axios = require('axios').default
+
+require('dotenv').config()
+
+const app = express()
+const httpsAgent = new https.Agent({
+  rejectUnauthorized: false,
+})
+
+const openAIApi = axios.create({
+  baseURL: 'https://api.openai.com',
+  headers: {
+    Authorization: `Bearer ${process.env.OPENAI_API_KEY}`,
+  },
+})
+
+app.use(cors())
+app.use(bodyParser.json())
+
+const qbTokenValidation = async (token) => {
+  try {
+    if (!token) return false
+
+    const { data } = await axios.get('session.json', {
+      baseURL: process.env.QUICKBLOX_API_URL,
+      headers: {
+        'QB-Token': token,
+      },
+      httpsAgent,
+    })
+
+    return Boolean(data.session && data.session.user_id)
+  } catch (error) {
+    return false
+  }
+}
+
+app.use(async (req, res) => {
+  try {
+    const excludedHeaders = [
+      'qb-token',
+      'accept',
+      'host',
+      'user-agent',
+      'content-length',
+    ]
+    const headers = { ...req.headers }
+    const isValidToken = await qbTokenValidation(headers['qb-token'])
+
+    if (!isValidToken) {
+      res.status(403).send({
+        error: {
+          message: 'Invalid QB-Token header',
+        },
+      })
+
+      return
+    }
+
+    excludedHeaders.forEach((header) => {
+      delete headers[header]
+    })
+
+    const options = {
+      method: req.method,
+      url: req.originalUrl,
+      headers,
+      data: req.body,
+      httpsAgent,
+    }
+
+    const { data } = await openAIApi.request(options)
+
+    res.send(data)
+  } catch (error) {
+    let status = 500
+    let errorData = {
+      error: {
+        message: error.message,
+      },
+    }
+
+    if ('response' in error) {
+      status = error.response.status
+      errorData = error.response.data
+    }
+
+    res.status(status).send(errorData)
+  }
+})
+
+const runServerListener = () => {
+  console.log(`Server is running at port ${process.env.PORT}`)
+}
+
+if (process.env.SSL_KEY_FILE && process.env.SSL_CERT_FILE) {
+  const certificates = {
+    key: fs.readFileSync(process.env.SSL_KEY_FILE),
+    cert: fs.readFileSync(process.env.SSL_CERT_FILE),
+  }
+
+  https
+    .createServer(certificates, app)
+    .listen(process.env.PORT, process.env.HOST, runServerListener)
+} else {
+  app.listen(process.env.PORT, process.env.HOST, runServerListener)
+}