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const AWS = require('aws-sdk') | |
AWS.config.update({ region: process.env.AWS_REGION }) | |
const s3 = new AWS.S3() | |
const uploadBucket = 'test-bucket-357' // Replace this value with your bucket name! | |
const URL_EXPIRATION_SECONDS = 30000 // Specify how long the pre-signed URL will be valid for | |
// Main Lambda entry point | |
exports.handler = async (event) => { | |
return await getUploadURL(event) | |
} | |
const getUploadURL = async function(event) { | |
const randomID = parseInt(Math.random() * 10000000) | |
const Key = `${randomID}.mp3` // Random filename we will use when uploading files | |
// Get signed URL from S3 | |
const s3Params = { | |
Bucket: uploadBucket, | |
Key, | |
Expires: URL_EXPIRATION_SECONDS, | |
ContentType: 'image/jpeg' // Change this to the media type of the files you want to upload | |
} | |
// adopting the getSignedUrl for the S3 Upload | |
return new Promise((resolve, reject) => { | |
// Get signed URL | |
let uploadURL = s3.getSignedUrl('putObject', s3Params) | |
resolve({ | |
"statusCode": 200, | |
"isBase64Encoded": false, | |
"headers": { | |
"Access-Control-Allow-Origin": "*" | |
}, | |
"body": JSON.stringify({ | |
"uploadURL": uploadURL, | |
"filename": Key | |
}) | |
}) | |
}) | |
} |
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