89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
import { S3Client } from '@aws-sdk/client-s3'
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import { getSignedUrl } from '@aws-sdk/s3-request-presigner'
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import { PutObjectCommand, ListObjectsV2Command } from '@aws-sdk/client-s3'
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import { v4 as uuid } from 'uuid'
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import dotenv from 'dotenv'
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import logger from '../utils/logger.js'
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dotenv.config()
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// Check if S3 is configured (support both S3_BUCKET_NAME and AWS_BUCKET_NAME for compatibility)
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export const isS3Configured = () => {
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return !!(
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process.env.AWS_ACCESS_KEY_ID &&
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process.env.AWS_SECRET_ACCESS_KEY &&
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(process.env.S3_BUCKET_NAME || process.env.AWS_BUCKET_NAME)
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)
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}
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// Get bucket name (support both env var names)
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export const BUCKET_NAME = process.env.S3_BUCKET_NAME || process.env.AWS_BUCKET_NAME
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// Get AWS region (default to us-east-1 if not specified)
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export const AWS_REGION = process.env.AWS_REGION || 'us-east-1'
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// Only create S3 client if credentials are available
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export const s3Client = isS3Configured()
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? new S3Client({
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region: AWS_REGION,
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credentials: {
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accessKeyId: process.env.AWS_ACCESS_KEY_ID,
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secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
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},
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})
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: null
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// Export ListObjectsV2Command for health checks (only requires s3:ListBucket permission)
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export { ListObjectsV2Command }
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export async function getPresignedUploadUrl(filename, contentType) {
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logger.s3('PRESIGNED_URL_REQUEST', { filename, contentType })
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if (!isS3Configured()) {
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logger.error('S3', 'S3 not configured', null)
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throw new Error('AWS S3 is not configured. Please set AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and S3_BUCKET_NAME (or AWS_BUCKET_NAME) in .env file.')
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}
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if (!s3Client) {
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logger.error('S3', 'S3 client not initialized', null)
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throw new Error('S3 client is not initialized. Check your AWS credentials.')
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}
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if (!BUCKET_NAME) {
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logger.error('S3', 'Bucket name not configured', null)
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throw new Error('S3 bucket name is not configured. Please set S3_BUCKET_NAME or AWS_BUCKET_NAME in .env file.')
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}
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// Extract file extension from filename or content type
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const ext = filename.split('.').pop() || contentType.split('/')[1] || 'jpg'
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// Use UUID for unique file names (matching api-v1 pattern)
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const key = `images/${uuid()}.${ext}`
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logger.s3('GENERATING_PRESIGNED_URL', {
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bucket: BUCKET_NAME,
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key,
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contentType
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})
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const command = new PutObjectCommand({
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Bucket: BUCKET_NAME,
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Key: key,
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ContentType: contentType,
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})
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const startTime = Date.now()
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const uploadUrl = await getSignedUrl(s3Client, command, { expiresIn: 3600 })
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const duration = Date.now() - startTime
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// Generate S3 public URL (works for all standard AWS regions)
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const imageUrl = `https://${BUCKET_NAME}.s3.${AWS_REGION}.amazonaws.com/${key}`
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logger.s3('PRESIGNED_URL_CREATED', {
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key,
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bucket: BUCKET_NAME,
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duration: `${duration}ms`,
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expiresIn: '3600s'
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})
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return { uploadUrl, imageUrl, key }
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}
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