Help Center/ Object Storage Service/ SDK Reference/ Node.js/ Versioning (SDK for Node.js)/ Obtaining the ACL of an Object Version (SDK for Node.js)
Updated on 2024-11-26 GMT+08:00
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Obtaining the ACL of an Object Version (SDK for Node.js)

If you have any questions during development, post them on the Issues page of GitHub.

Function

This API calls ObsClient.getObjectAcl to obtain the ACL of an object version specified by the VersionId parameter. For details about the API definition, see Obtaining the ACL of an Object (SDK for Node.js).

Code Examples

This example obtains the ACL of version G001117FCE89978B0000401205D5DC9A of object example/objectname in bucket examplebucket.

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// Import the OBS library.
// Use npm to install the client.
const ObsClient = require("esdk-obs-nodejs");
// Use the source code to install the client.
// var ObsClient = require('./lib/obs');

// Create an instance of ObsClient.
const obsClient = new ObsClient({
  // Obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways. Using hard coding may result in leakage.
  // Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/intl/en-us/usermanual-ca/ca_01_0003.html.
  access_key_id: process.env.ACCESS_KEY_ID,
  secret_access_key: process.env.SECRET_ACCESS_KEY,
  // (Optional) If you use a temporary AK/SK pair and a security token to access OBS, you are advised not to use hard coding, which may result in information leakage. You can obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways.
  // security_token: process.env.SECURITY_TOKEN,
  // Enter the endpoint corresponding to the region where the bucket is located. CN-Hong Kong is used here in this example. Replace it with the one currently in use.
  server: "https://obs.ap-southeast-1.myhuaweicloud.com"
});

async function getObjectAcl() {
  try {
    const params = {
      // Specify the bucket name.
      Bucket: "examplebucket",
      // Specify the object (example/objectname in this example).
      Key: 'example/objectname',
      // Specify the version ID of the object.
      VersionId: 'G001117FCE89978B0000401205D5DC9A'
    };
    // Obtain the object ACL.
    const result = await obsClient.getObjectAcl(params);
    if (result.CommonMsg.Status <= 300) {
      console.log("Get object(%s)'s acl successful with bucket(%s)!", params.Key, params.Bucket);
      console.log("RequestId: %s", result.CommonMsg.RequestId);
      console.log('Owner[ID]: %s', result.InterfaceResult.Owner.ID);
      console.log('Owner[Name]: %s', result.InterfaceResult.Owner.Name);
      for (let i = 0; i < result.InterfaceResult.Grants.length; i++) {
        const grant = result.InterfaceResult.Grants[i];
        fmt.Printf("Grant[%d]-Type:%s, ID:%s, URI:%s, Permission:%s\n",
          index, grant.Grantee.Type, grant.Grantee.ID, grant.Grantee.URI, grant.Permission);
      };
      return;
    };
    console.log("An ObsError was found, which means your request sent to OBS was rejected with an error response.");
    console.log("Status: %d", result.CommonMsg.Status);
    console.log("Code: %s", result.CommonMsg.Code);
    console.log("Message: %s", result.CommonMsg.Message);
    console.log("RequestId: %s", result.CommonMsg.RequestId);
  } catch (error) {
    console.log("An Exception was found, which means the client encountered an internal problem when attempting to communicate with OBS, for example, the client was unable to access the network.");
    console.log(error);
  };
};

getObjectAcl();