React Native

Set Container ACL

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to set the permissions of a container. React Native

import { AuthAzureStorage, CkDateTime, Prng, Rest, Xml } from '@chilkat/react-native'

async function chilkatExample() {
  // Azure Blob Service Example: Set Container ACL
  // See also: https://msdn.microsoft.com/en-us/library/azure/dd179391.aspx

  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const rest = new Rest();

  // Connect to the Azure Storage Blob Service
  const bTls = true;
  const port = 443;
  const bAutoReconnect = true;
  // In this example, the storage account name is "chilkat".
  try {
    await rest.connectAsync('chilkat.blob.core.windows.net', port, bTls, bAutoReconnect);
  } catch {
    console.log(rest.lastErrorText);
    return;
  }

  // Provide Azure Cloud credentials for the REST call.
  const azAuth = new AuthAzureStorage();
  azAuth.accessKey = 'AZURE_ACCESS_KEY';
  // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
  azAuth.account = 'chilkat';
  azAuth.scheme = 'SharedKey';
  azAuth.service = 'Blob';
  // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
  azAuth.xMsVersion = '2021-08-06';
  rest.setAuthAzureStorage(azAuth);

  // Note: The application does not need to explicitly set the following
  // headers: x-ms-date, Authorization.  These headers
  // are automatically set by Chilkat.

  // The XML body of the request will look like this:

  // <?xml version="1.0" encoding="utf-8"?>
  // <SignedIdentifiers>
  //   <SignedIdentifier> 
  //     <Id>unique-character-value-of-up-to-64-chars</Id>
  //     <AccessPolicy>
  //       <Start>start-time</Start>
  //       <Expiry>expiry-time</Expiry>
  //       <Permission>abbreviated-permission-list</Permission>
  //     </AccessPolicy>
  //   </SignedIdentifier>
  // </SignedIdentifiers>

  // Generate a random 32-character string.
  const prng = new Prng();
  const randomId = prng.randomString(32, true, true, true);

  // Get the current system date/time in ISO 8061 format
  const dt = new CkDateTime();
  dt.setFromCurrentSystemTime();
  const bLocal = false;
  // Get the current date/time in ISO 8061 UTC format.
  const curDtStr = dt.getAsTimestamp(bLocal);
  // The expire time will be 365 days in the future.
  dt.addDays(365);
  const expireDtStr = dt.getAsTimestamp(bLocal);

  // Build the request:
  const xml = new Xml();
  xml.tag = 'SignedIdentifiers';
  const xSignedId = xml.newChild('SignedIdentifier', '');
  xSignedId.newChild2('Id', randomId);
  const xAccessPolicy = xSignedId.newChild('AccessPolicy', '');
  xAccessPolicy.newChild2('Start', curDtStr);
  xAccessPolicy.newChild2('Expiry', expireDtStr);
  xAccessPolicy.newChild2('Permission', 'rwd');

  // Show the XML..
  console.log(xml.getXml());

  // The expected response is a 200 response status code with no response body.
  let responseStr: string;
  try {
    responseStr = await rest.fullRequestStringAsync('PUT', '/mycontainer?restype=container&comp=acl', xml.getXml());
  } catch {
    console.log(rest.lastErrorText);
    return;
  }

  // When successful, the Azure Storage service will respond with a 200 response status code,
  // with no response body.

  if (rest.responseStatusCode !== 200) {
    // Examine the request/response to see what happened.
    console.log(`response status code = ${rest.responseStatusCode}`);
    console.log(`response status text = ${rest.responseStatusText}`);
    console.log(`response header: ${rest.responseHeader}`);
    console.log(`response body (if any): ${responseStr}`);
    console.log('---');
    console.log(`LastRequestStartLine: ${rest.lastRequestStartLine}`);
    console.log(`LastRequestHeader: ${rest.lastRequestHeader}`);
    return;
  }

  console.log('Success.');
}