Manage object ACLs

package main

import (
	"log"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		log.Fatalf("Failed to create credentials provider: %v", err)
	}

	// Create an OSSClient instance. 
	// Specify the endpoint of the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. Specify your actual endpoint. 
	// Specify the region in which the bucket is located. For example, if your bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou. Specify your actual endpoint.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Specify the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		log.Fatalf("Failed to create OSS client: %v", err)
	}

	// Specify the name of the bucket. 
	bucketName := "yourBucketName"
	bucket, err := client.Bucket(bucketName)
	if err != nil {
		log.Fatalf("Failed to get bucket '%s': %v", bucketName, err)
	}

	// Configure the ACL of the object. 
	// Specify the full path of the object. Do not include the bucket name in the full path. 
	objectName := "yourObjectName"
	err = bucket.SetObjectACL(objectName, oss.ACLPublicReadWrite)
	if err != nil {
		log.Fatalf("Failed to set object ACL for '%s': %v", objectName, err)
	}

	// Query the ACL of the object. 
	aclRes, err := bucket.GetObjectACL(objectName)
	if err != nil {
		log.Fatalf("Failed to get object ACL for '%s': %v", objectName, err)
	}

	log.Printf("Object ACL for '%s': %s", objectName, aclRes.ACL)
}