openai-mock-api/dist/middleware/auth.middleware.js

A mock OpenAI API server for testing LLM applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AuthenticationService = exports.AuthenticationMiddleware = void 0;
class AuthenticationMiddleware {
    constructor(authService, logger) {
        this.authService = authService;
        this.logger = logger;
    }
    middleware() {
        return (req, res, next) => {
            // Skip auth for non-API routes
            if (!req.path.startsWith('/v1')) {
                return next();
            }
            const authHeader = req.headers.authorization;
            if (!authHeader) {
                this.logger.warn('Missing authorization header');
                return this.sendUnauthorized(res, 'Authorization header is required');
            }
            const token = authHeader.replace('Bearer ', '');
            if (!this.authService.validateApiKey(token)) {
                this.logger.warn('Invalid API key provided');
                return this.sendUnauthorized(res, 'Invalid API key provided');
            }
            next();
        };
    }
    sendUnauthorized(res, message) {
        const error = {
            error: {
                message,
                type: 'invalid_request_error',
                code: 'invalid_api_key',
            },
        };
        res.status(401).json(error);
    }
}
exports.AuthenticationMiddleware = AuthenticationMiddleware;
class AuthenticationService {
    constructor(apiKey) {
        this.apiKey = apiKey;
    }
    validateApiKey(apiKey) {
        return apiKey === this.apiKey;
    }
}
exports.AuthenticationService = AuthenticationService;
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