update to v3 of AWS SDK, add mime-type to upload

README.md

@@ -13,3 +13,9 @@ pnpm install
 ```
 node server.js
 ```
+
+## test
+
+```
+curl -X POST -F "image=@./test.png" http://localhost:3000/image
+```

package.json

@@ -4,7 +4,8 @@
   "description": "",
   "license": "UNLICENSED",
   "dependencies": {
-    "aws-sdk": "^2.1564.0",
+    "@aws-sdk/client-s3": "^3.521.0",
+    "@aws-sdk/lib-storage": "^3.521.0",
     "dotenv": "^16.4.5",
     "express": "^4.18.2",
     "multer": "1.4.5-lts.1"

server.js

@@ -1,4 +1,5 @@
-const AWS = require('aws-sdk');
+const { S3Client, PutObjectCommand } = require('@aws-sdk/client-s3');
+const crypto = require('crypto');
 const express = require('express');
 const fs = require('fs');
 const multer = require('multer');
@@ -9,13 +10,14 @@ const app = express();
 const port = 3000;
 
 // Configure AWS
-AWS.config.update({
-  accessKeyId: process.env.AWS_ACCESS_KEY,
-  secretAccessKey: process.env.AWS_SECRET_KEY,
+const s3Client = new S3Client({
   region: process.env.AWS_REGION,
+  credentials: {
+    accessKeyId: process.env.AWS_ACCESS_KEY,
+    secretAccessKey: process.env.AWS_SECRET_KEY
+  }
 });
 
-const s3 = new AWS.S3();
 const upload = multer({ dest: 'uploads/' });
 
 // POST endpoint to upload an image
@@ -23,23 +25,32 @@ app.post('/image', upload.single('image'), (req, res) => {
   const file = req.file;
 
   // Read the file from the temporary location
-  fs.readFile(file.path, (err, data) => {
+  fs.readFile(file.path, async (err, data) => {
     if (err) throw err; // Handle error
 
+    const hashSum = crypto.createHash('sha256');
+    hashSum.update(data);
+    const hashHex = hashSum.digest('hex');
+
+    const bucketName = 'gifts-image';
+    const fileName = `${hashHex}_${file.originalname}`;
     const params = {
-      Bucket: 'gifts-image', // S3 Bucket name
-      Key: `${Date.now()}_${path.basename(file.originalname)}`, // File name to use in S3
       Body: data,
-      //ACL: 'public-read' // Optional: if you want the uploaded file to be publicly accessible
+      Bucket: bucketName, // S3 Bucket name
+      ContentType: file.mimetype, // File content type
+      Key: fileName, // File name to use in S3
     };
 
     // Upload the file to S3
-    s3.upload(params, function(s3Err, data) {
-      if (s3Err) throw s3Err; // Handle upload error
-
-      // Once successfully uploaded to S3, send back the URL of the uploaded file
-      res.send(`File uploaded successfully at ${data.Location}`);
-    });
+    try {
+      const command = new PutObjectCommand(params);
+      const response = await s3Client.send(command);
+      const finalUrl = `https://${bucketName}.s3.amazonaws.com/${fileName}`;
+      res.send(JSON.stringify({ success: true, url: finalUrl }));
+    } catch (uploadError) {
+      console.error('Error uploading to S3:', uploadError);
+      res.status(500).send(JSON.stringify({ success: false, message: 'Error uploading file.' }));
+    }
   });
 });