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import { createPresignedPost } from '@aws-sdk/s3-presigned-post'; | |
import { S3Client } from '@aws-sdk/client-s3'; | |
import { fromEnv } from '@aws-sdk/credential-providers'; | |
const FILE_SIZE_LIMIT = 20971520; // 20MB | |
const s3Client = new S3Client({ | |
region: process.env.AWS_REGION, | |
credentials: fromEnv(), | |
}); | |
export const upload = async (base64: string, fileName: string, fileType: string) => { | |
const { url, fields } = await createPresignedPost(s3Client, { | |
Bucket: process.env.AWS_BUCKET_NAME ?? 'vision-agent-dev', | |
Key: fileName, | |
Conditions: [ | |
['content-length-range', 0, FILE_SIZE_LIMIT], | |
['starts-with', '$Content-Type', fileType], | |
], | |
Fields: { | |
acl: 'public-read', | |
'Content-Type': fileType, | |
}, | |
Expires: 600, | |
}); | |
const formData = new FormData(); | |
Object.entries(fields).forEach(([key, value]) => { | |
formData.append(key, value as string); | |
}); | |
const res = await fetch(base64); | |
const blob = await res.blob(); | |
formData.append('file', blob); | |
return fetch(url, { | |
method: 'POST', | |
body: formData, | |
}); | |
}; | |