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January 21, 2025 17:29
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| To address the security issue you're facing, you need to ensure that sensitive API details are not exposed to the frontend. Here’s a step-by-step guide to help you secure your application: | |
| ### 1. **Move Sensitive Logic to the Backend** | |
| - **Create a Backend Service**: Since you're using Netlify, you can use Netlify Functions to create serverless functions that handle sensitive operations. These functions will run on the server-side, keeping your API keys and other sensitive information secure. | |
| - **Environment Variables**: Store your API keys and sensitive information in environment variables. Netlify allows you to set environment variables in the build settings. | |
| ### 2. **Set Up Netlify Functions** | |
| - **Create a Functions Directory**: In your project, create a directory named `netlify/functions` (if it doesn’t already exist). | |
| - **Write Serverless Functions**: Create a new file for each function, e.g., `netlify/functions/generateContent.js`. | |
| Example of a Netlify Function: | |
| ```javascript | |
| // netlify/functions/generateContent.js | |
| const axios = require('axios'); | |
| exports.handler = async (event, context) => { | |
| const { prompt } = JSON.parse(event.body); | |
| try { | |
| const response = await axios.post('https://api.openrouter.ai/v1/chat/completions', { | |
| model: "gpt-4", | |
| messages: [{ role: "user", content: prompt }] | |
| }, { | |
| headers: { | |
| 'Authorization': `Bearer ${process.env.OPENROUTER_API_KEY}`, | |
| 'Content-Type': 'application/json' | |
| } | |
| }); | |
| return { | |
| statusCode: 200, | |
| body: JSON.stringify(response.data) | |
| }; | |
| } catch (error) { | |
| return { | |
| statusCode: 500, | |
| body: JSON.stringify({ error: 'Internal Server Error' }) | |
| }; | |
| } | |
| }; | |
| ``` | |
| ### 3. **Update Frontend to Call Netlify Functions** | |
| - **Call the Function from Your Frontend**: Instead of making direct API calls from the frontend, call the Netlify function. | |
| Example: | |
| ```javascript | |
| async function generateContent(prompt) { | |
| const response = await fetch('/.netlify/functions/generateContent', { | |
| method: 'POST', | |
| headers: { | |
| 'Content-Type': 'application/json', | |
| }, | |
| body: JSON.stringify({ prompt }), | |
| }); | |
| const data = await response.json(); | |
| return data; | |
| } | |
| ``` | |
| ### 4. **Secure Your Supabase Connection** | |
| - **Use Row Level Security (RLS)**: Ensure that your Supabase tables have RLS enabled to control access to data. | |
| - **Environment Variables for Supabase**: Store your Supabase URL and key in environment variables and access them in your Netlify functions. | |
| ### 5. **Deploy and Test** | |
| - **Deploy to Netlify**: Push your changes to your repository and deploy to Netlify. | |
| - **Test the Application**: Ensure that the frontend no longer exposes sensitive API details and that the content generation works as expected. | |
| ### 6. **Additional Security Measures** | |
| - **CORS Configuration**: Ensure that your Netlify functions are only accessible from your frontend domain by configuring CORS. | |
| - **Rate Limiting**: Implement rate limiting on your Netlify functions to prevent abuse. | |
| - **Monitoring and Logging**: Set up monitoring and logging to detect and respond to any suspicious activities. | |
| ### Example of a Complete Setup | |
| **Frontend Code**: | |
| ```javascript | |
| // src/components/ContentGenerator.js | |
| import React, { useState } from 'react'; | |
| const ContentGenerator = () => { | |
| const [prompt, setPrompt] = useState(''); | |
| const [content, setContent] = useState(''); | |
| const handleGenerate = async () => { | |
| const data = await generateContent(prompt); | |
| setContent(data.choices[0].message.content); | |
| }; | |
| return ( | |
| <div> | |
| <textarea value={prompt} onChange={(e) => setPrompt(e.target.value)} /> | |
| <button onClick={handleGenerate}>Generate</button> | |
| <div>{content}</div> | |
| </div> | |
| ); | |
| }; | |
| export default ContentGenerator; | |
| ``` | |
| **Netlify Function**: | |
| ```javascript | |
| // netlify/functions/generateContent.js | |
| const axios = require('axios'); | |
| exports.handler = async (event, context) => { | |
| const { prompt } = JSON.parse(event.body); | |
| try { | |
| const response = await axios.post('https://api.openrouter.ai/v1/chat/completions', { | |
| model: "gpt-4", | |
| messages: [{ role: "user", content: prompt }] | |
| }, { | |
| headers: { | |
| 'Authorization': `Bearer ${process.env.OPENROUTER_API_KEY}`, | |
| 'Content-Type': 'application/json' | |
| } | |
| }); | |
| return { | |
| statusCode: 200, | |
| body: JSON.stringify(response.data) | |
| }; | |
| } catch (error) { | |
| return { | |
| statusCode: 500, | |
| body: JSON.stringify({ error: 'Internal Server Error' }) | |
| }; | |
| } | |
| }; | |
| ``` | |
| By following these steps, you can ensure that your API details are securely hidden from the frontend, and your application remains secure. |
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