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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | 56x 56x 51x 51x 51x 21x 30x 24x 24x 24x 3x 21x 3x 18x 18x 9x 9x 9x 9x 6x 3x 6x 6x | import { createRoute, RouteHandler, z } from '@hono/zod-openapi'
import { ErrorSchema, AuthCallbackResponseSchema } from '../../schema/drive'
import { EnvHono } from '../..'
import { exchangeCodeForTokens } from '../../utils/oauth'
export const callbackRoute = createRoute({
method: 'get',
path: '/callback',
request: {
query: z.object({
code: z.string().describe('Authorization code from Google OAuth'),
scope: z.string().optional().describe('OAuth scope'),
error: z.string().optional().describe('OAuth error if any')
})
},
responses: {
200: {
content: {
'application/json': {
schema: AuthCallbackResponseSchema
}
},
description: 'OAuth callback processed successfully'
},
400: {
content: {
'application/json': {
schema: ErrorSchema
}
},
description: 'Bad request or OAuth error'
},
500: {
content: {
'application/json': {
schema: ErrorSchema
}
},
description: 'Internal server error'
}
},
tags: ['Authentication']
})
export const callbackHandler: RouteHandler<typeof callbackRoute, EnvHono> = async (c) => {
try {
const { GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET } = c.env
if (!GOOGLE_CLIENT_ID || !GOOGLE_CLIENT_SECRET) {
return c.json({ error: 'Missing required environment variables' }, 400)
}
const url = new URL(c.req.url)
const code = url.searchParams.get('code')
const error = url.searchParams.get('error')
if (error) {
return c.json({ error: 'OAuth error', details: error }, 400)
}
if (!code) {
return c.json({ error: 'Missing authorization code' }, 400)
}
// Exchange authorization code for tokens using type-safe function
let tokens
try {
tokens = await exchangeCodeForTokens({
clientId: GOOGLE_CLIENT_ID,
clientSecret: GOOGLE_CLIENT_SECRET,
code: code,
redirectUri: 'http://localhost:3000/api/drive/callback'
})
} catch (error) {
console.error('Token exchange failed:', error)
return c.json({
error: 'Failed to exchange authorization code for tokens',
details: error instanceof Error ? error.message : 'Unknown error'
}, 500)
}
console.log('Received tokens:', tokens)
if (!tokens.refresh_token) {
return c.json({
success: false,
message: 'No refresh token received. This may happen if the app was already authorized. Try revoking access at https://myaccount.google.com/permissions and re-authorize.',
accessToken: tokens.access_token ? 'Access token received' : 'No access token'
}, 200)
}
return c.json({
success: true,
refreshToken: tokens.refresh_token,
message: `Refresh Token obtained! Add this to your .dev.vars file: GOOGLE_REFRESH_TOKEN=${tokens.refresh_token}`
}, 200)
} catch (error) {
console.error('OAuth callback error:', error)
return c.json({
error: 'Failed to exchange code for tokens',
details: error instanceof Error ? error.message : 'Unknown error'
}, 500)
}
} |