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s3.js

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+const { S3Client, PutObjectCommand, ListBucketsCommand, GetObjectCommand } = require('@aws-sdk/client-s3');
+// const { fromIni } = require('@aws-sdk/credential-providers');
+
+
+const minioClient = new S3Client({
+  endpoint: 'http://localhost:9000/test',  // MinIO server URL
+  region: 'us-east-1',                // Required but not used by MinIO
+  credentials: {
+    accessKeyId: 'minioadmin',        // Default MinIO credentials
+    secretAccessKey: 'minioadmin'
+  },
+  forcePathStyle: true,               // REQUIRED for MinIO
+  sslEnabled: false                   // Set to true if using HTTPS
+});
+
+// List all buckets
+async function listBuckets() {
+  try {
+    const command = new ListBucketsCommand({});
+    const response = await minioClient.send(command);
+    console.log('Buckets:', response.Buckets);
+    return response.Buckets;
+  } catch (error) {
+    console.error('Error listing buckets:', error);
+  }
+}
+
+// Upload a file
+async function uploadFile(bucketName, objectName, fileContent) {
+  try {
+    const command = new PutObjectCommand({
+      Bucket: bucketName,
+      Key: objectName,
+      Body: fileContent,
+      ContentType: 'text/plain'
+    });
+    
+    const response = await minioClient.send(command);
+    console.log('File uploaded:', response);
+    return response;
+  } catch (error) {
+    console.error('Upload error:', error);
+  }
+}
+
+// Download a file
+async function downloadFile(bucketName, objectName) {
+  try {
+    const command = new GetObjectCommand({
+      Bucket: bucketName,
+      Key: objectName
+    });
+    
+    const response = await minioClient.send(command);
+    const content = await response.Body.transformToString();
+    console.log('File content:', content);
+    return content;
+  } catch (error) {
+    console.error('Download error:', error);
+  }
+}
+
+// Example usage
+(async () => {
+  // Create a bucket first (you need to create buckets via console or CLI)
+  const buckets = await listBuckets();
+  // console.log('Available buckets:', buckets);
+  
+  // Upload a file
+  await uploadFile('cap-web', 'textfiles/test2.txt', 'Hello MinIO from Node.js!');
+  
+  // // Download the file
+  // await downloadFile('cap-web', 'test.txt');
+})();