Unicode C++

Set Container ACL

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to set the permissions of a container. Unicode C++

#include <CkRestW.h>
#include <CkAuthAzureStorageW.h>
#include <CkPrngW.h>
#include <CkDateTimeW.h>
#include <CkXmlW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // 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.

    CkRestW rest;

    // Connect to the Azure Storage Blob Service
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    // In this example, the storage account name is "chilkat".
    success = rest.Connect(L"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    CkAuthAzureStorageW azAuth;
    azAuth.put_AccessKey(L"AZURE_ACCESS_KEY");
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    azAuth.put_Account(L"chilkat");
    azAuth.put_Scheme(L"SharedKey");
    azAuth.put_Service(L"Blob");
    // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    azAuth.put_XMsVersion(L"2021-08-06");
    success = 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.
    CkPrngW prng;
    const wchar_t *randomId = prng.randomString(32,true,true,true);

    // Get the current system date/time in ISO 8061 format
    CkDateTimeW dt;
    dt.SetFromCurrentSystemTime();
    bool bLocal = false;
    // Get the current date/time in ISO 8061 UTC format.
    const wchar_t *curDtStr = dt.getAsTimestamp(bLocal);
    // The expire time will be 365 days in the future.
    success = dt.AddDays(365);
    const wchar_t *expireDtStr = dt.getAsTimestamp(bLocal);

    // Build the request:
    CkXmlW xml;
    xml.put_Tag(L"SignedIdentifiers");
    CkXmlW *xSignedId = xml.NewChild(L"SignedIdentifier",L"");
    xSignedId->NewChild2(L"Id",randomId);
    CkXmlW *xAccessPolicy = xSignedId->NewChild(L"AccessPolicy",L"");
    xAccessPolicy->NewChild2(L"Start",curDtStr);
    xAccessPolicy->NewChild2(L"Expiry",expireDtStr);
    xAccessPolicy->NewChild2(L"Permission",L"rwd");
    delete xAccessPolicy;
    delete xSignedId;

    // Show the XML..
    wprintf(L"%s\n",xml.getXml());

    // The expected response is a 200 response status code with no response body.
    const wchar_t *responseStr = rest.fullRequestString(L"PUT",L"/mycontainer?restype=container&comp=acl",xml.getXml());
    if (rest.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

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

    if (rest.get_ResponseStatusCode() != 200) {
        // Examine the request/response to see what happened.
        wprintf(L"response status code = %d\n",rest.get_ResponseStatusCode());
        wprintf(L"response status text = %s\n",rest.responseStatusText());
        wprintf(L"response header: %s\n",rest.responseHeader());
        wprintf(L"response body (if any): %s\n",responseStr);
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",rest.lastRequestStartLine());
        wprintf(L"LastRequestHeader: %s\n",rest.lastRequestHeader());
        return;
    }

    wprintf(L"Success.\n");
    }