92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
require("dotenv").config(); // Load environment variables from .env file
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const express = require("express");
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const axios = require("axios");
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const bodyParser = require("body-parser");
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const app = express();
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const port = 3000; // Backend server will run on this port
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// Middleware to parse JSON request bodies
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app.use(bodyParser.json());
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// API Key validation middleware
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const validateApiKey = (req, res, next) => {
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const apiKey = req.headers["api-key"];
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const authHeader = req.headers["authorization"];
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// Try to extract token from Authorization: Bearer <token>
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let token = null;
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if (authHeader && authHeader.startsWith("Bearer ")) {
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token = authHeader.split(" ")[1];
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}
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const providedKey = apiKey || token;
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if (!providedKey) {
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return res.status(400).json({ error: "API key is missing" });
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}
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if (providedKey !== process.env.API_KEY) {
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return res.status(403).json({ error: "Invalid API key" });
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}
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next(); // Proceed if the API key is valid
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};
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// Forward request to localhost:11434 (ollama)
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app.post("/api/generate/chat/completions", validateApiKey, async (req, res) => {
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try {
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// Forwarding the request to localhost:11434 with the prompt
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console.log("Body: ", req.body);
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const response = await axios.post(
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"http://localhost:11434/api/generate",
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req.body,
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);
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console.log("Response: ", response);
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// Send the response from localhost:11434 back to the client
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res.status(200).json(response.data);
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} catch (error) {
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// Enhanced error logging
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console.error(
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"Error forwarding request to localhost:11434:",
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error.response ? error.response.data : error.message,
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);
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res
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.status(500)
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.json({ error: "Internal Server Error", message: error.message });
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}
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});
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// Forward request to localhost:11434 (ollama)
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app.post("/api/generate", validateApiKey, async (req, res) => {
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try {
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// Forwarding the request to localhost:11434 with the prompt
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const authHeader = req.headers["authorization"];
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console.log("Authorization header:", authHeader);
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console.log("checking api", apiKey !== process.env.API_KEY);
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console.log("Body: ", req.body);
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const response = await axios.post(
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"http://localhost:11434/api/generate",
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req.body,
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);
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// Send the response from localhost:11434 back to the client
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res.status(200).json(response.data);
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} catch (error) {
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// Enhanced error logging
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console.error(
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"Error forwarding request to localhost:11434:",
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error.response ? error.response.data : error.message,
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);
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res
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.status(500)
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.json({ error: "Internal Server Error", message: error.message });
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}
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});
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// Start the server
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app.listen(port, () => {
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console.log(`Server running on http://localhost:${port}`);
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});
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