Configuration Required

Please set up Google OAuth credentials:

Go to Google Cloud Console
Create OAuth 2.0 credentials
Set authorized redirect URI to: ${new URL(c.req.url).origin}/auth/callback
Set environment variables: GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET

\n Back to home\n \n \n `);\n }\n \n const baseUrl = new URL(c.req.url).origin;\n const redirectUri = `${baseUrl}/auth/callback`;\n \n const params = new URLSearchParams({\n client_id: GOOGLE_CLIENT_ID,\n redirect_uri: redirectUri,\n response_type: \"code\",\n scope: \"openid email profile https://www.googleapis.com/auth/gmail.readonly https://www.googleapis.com/auth/gmail.send\",\n access_type: \"offline\",\n prompt: \"consent\",\n });\n\n const authUrl = `https://accounts.google.com/o/oauth2/v2/auth?${params}`;\n return c.redirect(authUrl);\n});\n\n// Handle OAuth callback\nauthRoutes.get(\"/callback\", async c => {\n if (!GOOGLE_CLIENT_ID || !GOOGLE_CLIENT_SECRET) {\n return c.html(`\n \n \n

Configuration Required

Google OAuth credentials not configured.

\n Back to home\n \n \n `);\n }\n \n const code = c.req.query(\"code\");\n const error = c.req.query(\"error\");\n\n if (error) {\n return c.html(`\n \n \n

Authentication Error

Error: ${error}

\n Try again\n \n \n `);\n }\n\n if (!code) {\n return c.html(`\n \n \n

Authentication Error

No authorization code received

\n Try again\n \n \n `);\n }\n\n try {\n const baseUrl = new URL(c.req.url).origin;\n const redirectUri = `${baseUrl}/auth/callback`;\n\n // Exchange code for tokens\n const tokenResponse = await fetch(\"https://oauth2.googleapis.com/token\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/x-www-form-urlencoded\",\n },\n body: new URLSearchParams({\n client_id: GOOGLE_CLIENT_ID,\n client_secret: GOOGLE_CLIENT_SECRET,\n code,\n grant_type: \"authorization_code\",\n redirect_uri: redirectUri,\n }),\n });\n\n if (!tokenResponse.ok) {\n throw new Error(`Token exchange failed: ${tokenResponse.statusText}`);\n }\n\n const tokens = await tokenResponse.json();\n\n // Get user info\n const userResponse = await fetch(\"https://www.googleapis.com/oauth2/v2/userinfo\", {\n headers: {\n Authorization: `Bearer ${tokens.access_token}`,\n },\n });\n\n if (!userResponse.ok) {\n throw new Error(`Failed to get user info: ${userResponse.statusText}`);\n }\n\n const userInfo = await userResponse.json();\n\n const user: User = {\n id: userInfo.id,\n email: userInfo.email,\n name: userInfo.name,\n picture: userInfo.picture,\n };\n\n // Create session\n const sessionToken = await createSession(user, tokens.access_token, tokens.refresh_token, tokens.expires_in);\n\n // Set cookie and redirect\n setCookie(c, \"session_token\", sessionToken, {\n httpOnly: true,\n secure: true,\n sameSite: \"Lax\",\n maxAge: 7 * 24 * 60 * 60, // 7 days\n });\n\n return c.html(`\n \n \n

Authentication Successful!

Welcome, ${user.name}!

Your session token: ${sessionToken}

Use this token in the Authorization header when connecting your MCP client:

Authorization: Bearer ${sessionToken}

\n Back to home\n \n \n `);\n } catch (error) {\n console.error(\"OAuth callback error:\", error);\n return c.html(`\n \n \n

Authentication Error

Failed to complete authentication: ${error.message}

\n Try again\n \n \n `);\n }\n});\n\n// Get current session info\nauthRoutes.get(\"/me\", async c => {\n const sessionToken = c.req.header(\"Authorization\")?.replace(\"Bearer \", \"\") || \n c.req.cookie(\"session_token\");\n\n if (!sessionToken) {\n return c.json({ error: \"No session token provided\" }, 401);\n }\n\n const session = await getSession(sessionToken);\n if (!session) {\n return c.json({ error: \"Invalid or expired session\" }, 401);\n }\n\n // Get fresh user info\n const userResponse = await fetch(\"https://www.googleapis.com/oauth2/v2/userinfo\", {\n headers: {\n Authorization: `Bearer ${session.accessToken}`,\n },\n });\n\n if (!userResponse.ok) {\n return c.json({ error: \"Failed to get user info\" }, 500);\n }\n\n const userInfo = await userResponse.json();\n return c.json({\n user: {\n id: userInfo.id,\n email: userInfo.email,\n name: userInfo.name,\n picture: userInfo.picture,\n },\n session: {\n expiresAt: session.expiresAt,\n createdAt: session.createdAt,\n },\n });\n});\n\nexport { authRoutes };","deleted","label",[170,7,153],"backend","permalink","https://www.val.town/x/jeffreyyoung/MCP_Proxy/code/backend/auth/routes.ts","extension","actionData","errors"]