Meeting BaaS MCP Server

/** * Authentication utilities for handling API keys and sessions */ import * as fs from 'fs'; import * as path from 'path'; import * as os from 'os'; import type { SessionAuth } from '../api/client.js'; // Define a minimal logger interface rather than importing from fastmcp interface Logger { error: (message: string, ...args: any[]) => void; warn: (message: string, ...args: any[]) => void; info: (message: string, ...args: any[]) => void; debug: (message: string, ...args: any[]) => void; } /** * Get an API key with robust fallback mechanisms. * Tries, in order: * 1. Session object * 2. Environment variable * 3. Claude Desktop config file * * @param session The session object, which may contain an API key * @param log Optional logger for debugging * @returns An object with { apiKey, source } or null if no API key was found */ export function getApiKeyWithFallbacks( session: any | undefined, log?: Logger ): { apiKey: string; source: string } | null { // Try to get API key from session if (session?.apiKey) { log?.debug("Using API key from session"); return { apiKey: session.apiKey, source: 'session' }; } // Try to get API key from environment variable if (process.env.MEETING_BAAS_API_KEY) { log?.debug("Using API key from environment variable"); return { apiKey: process.env.MEETING_BAAS_API_KEY, source: 'environment' }; } // Try to get API key from Claude Desktop config try { const claudeDesktopConfigPath = path.join(os.homedir(), 'Library/Application Support/Claude/claude_desktop_config.json'); if (fs.existsSync(claudeDesktopConfigPath)) { const configContent = fs.readFileSync(claudeDesktopConfigPath, 'utf8'); const configJson = JSON.parse(configContent); if (configJson.mcpServers?.meetingbaas?.headers?.['x-api-key']) { const apiKey = configJson.mcpServers.meetingbaas.headers['x-api-key']; log?.debug("Using API key from Claude Desktop config"); return { apiKey, source: 'claude_config' }; } } } catch (error) { log?.error("Error reading Claude Desktop config", { error }); } // No API key found log?.error("No API key found in session, environment, or Claude Desktop config"); return null; } /** * Creates a valid session object with an API key * * @param session The original session, which may be incomplete * @param log Optional logger for debugging * @returns A valid session object or null if no API key could be found */ export function createValidSession( session: any | undefined, log?: Logger ): SessionAuth | null { const apiKeyInfo = getApiKeyWithFallbacks(session, log); if (!apiKeyInfo) { return null; } return { apiKey: apiKeyInfo.apiKey }; }