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Netlify Function to exchange a code for an access token for Smartcar
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const axios = require('axios'); | |
const qs = require('qs'); | |
exports.handler = async function(event, context) { | |
// Parse the 'code' from the query string | |
const { code } = event.queryStringParameters; | |
// Token endpoint for your service, this should be replaced with your actual token endpoint | |
const tokenURL = 'https://auth.smartcar.com/oauth/token'; | |
// The client_id and client_secret for your application on the service | |
const client_id = process.env.CLIENT_ID; | |
const client_secret = process.env.CLIENT_SECRET; | |
try { | |
// Send a POST request to the token endpoint | |
const response = await axios.post( | |
tokenURL, | |
qs.stringify({ | |
client_id, | |
client_secret, | |
code, | |
grant_type: 'authorization_code', | |
redirect_uri: `${process.env.REDIRECT_URI}/.netlify/functions/oauth-callback`, | |
}), | |
{ | |
headers: { | |
'Content-Type': 'application/x-www-form-urlencoded' | |
} | |
} | |
); | |
console.log('response...', response.data); | |
// Extract the access_token from the response | |
const { access_token } = response.data; | |
// Redirect to the specified URL with the token appended as a query parameter | |
return { | |
statusCode: 302, | |
headers: { | |
Location: `${process.env.REDIRECT_URI}?token=${access_token}` | |
} | |
}; | |
} catch (error) { | |
console.error('Error exchanging code for token:', error); | |
// Respond with a 500 status code (Server Error) if anything went wrong | |
return { | |
statusCode: 500, | |
body: JSON.stringify({ error: 'Server Error' }) | |
}; | |
} | |
}; |
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