(C) Set Container ACL

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

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#include <C_CkRest.h>
#include <C_CkAuthAzureStorage.h>
#include <C_CkPrng.h>
#include <C_CkDateTime.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkAuthAzureStorage azAuth;
    HCkPrng prng;
    const char *randomId;
    HCkDateTime dt;
    BOOL bLocal;
    const char *curDtStr;
    const char *expireDtStr;
    HCkXml xml;
    HCkXml xSignedId;
    HCkXml xAccessPolicy;
    const char *responseStr;

    // 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.

    rest = CkRest_Create();

    // Connect to the Azure Storage Blob Service
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    // In this example, the storage account name is "chilkat".
    success = CkRest_Connect(rest,"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    azAuth = CkAuthAzureStorage_Create();
    CkAuthAzureStorage_putAccessKey(azAuth,"AZURE_ACCESS_KEY");
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    CkAuthAzureStorage_putAccount(azAuth,"chilkat");
    CkAuthAzureStorage_putScheme(azAuth,"SharedKey");
    CkAuthAzureStorage_putService(azAuth,"Blob");
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    CkAuthAzureStorage_putXMsVersion(azAuth,"2020-08-04");
    success = CkRest_SetAuthAzureStorage(rest,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.
    prng = CkPrng_Create();
    randomId = CkPrng_randomString(prng,32,TRUE,TRUE,TRUE);

    // Get the current system date/time in ISO 8061 format
    dt = CkDateTime_Create();
    CkDateTime_SetFromCurrentSystemTime(dt);
    bLocal = FALSE;
    // Get the current date/time in ISO 8061 UTC format.
    curDtStr = CkDateTime_getAsTimestamp(dt,bLocal);
    // The expire time will be 365 days in the future.
    success = CkDateTime_AddDays(dt,365);
    expireDtStr = CkDateTime_getAsTimestamp(dt,bLocal);

    // Build the request:
    xml = CkXml_Create();
    CkXml_putTag(xml,"SignedIdentifiers");
    xSignedId = CkXml_NewChild(xml,"SignedIdentifier","");
    CkXml_NewChild2(xSignedId,"Id",randomId);
    xAccessPolicy = CkXml_NewChild(xSignedId,"AccessPolicy","");
    CkXml_NewChild2(xAccessPolicy,"Start",curDtStr);
    CkXml_NewChild2(xAccessPolicy,"Expiry",expireDtStr);
    CkXml_NewChild2(xAccessPolicy,"Permission","rwd");
    CkXml_Dispose(xAccessPolicy);
    CkXml_Dispose(xSignedId);

    // Show the XML..
    printf("%s\n",CkXml_getXml(xml));

    // The expected response is a 200 response status code with no response body.
    responseStr = CkRest_fullRequestString(rest,"PUT","/mycontainer?restype=container&comp=acl",CkXml_getXml(xml));
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAzureStorage_Dispose(azAuth);
        CkPrng_Dispose(prng);
        CkDateTime_Dispose(dt);
        CkXml_Dispose(xml);
        return;
    }

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

    if (CkRest_getResponseStatusCode(rest) != 200) {
        // Examine the request/response to see what happened.
        printf("response status code = %d\n",CkRest_getResponseStatusCode(rest));
        printf("response status text = %s\n",CkRest_responseStatusText(rest));
        printf("response header: %s\n",CkRest_responseHeader(rest));
        printf("response body (if any): %s\n",responseStr);
        printf("---\n");
        printf("LastRequestStartLine: %s\n",CkRest_lastRequestStartLine(rest));
        printf("LastRequestHeader: %s\n",CkRest_lastRequestHeader(rest));
        CkRest_Dispose(rest);
        CkAuthAzureStorage_Dispose(azAuth);
        CkPrng_Dispose(prng);
        CkDateTime_Dispose(dt);
        CkXml_Dispose(xml);
        return;
    }

    printf("Success.\n");


    CkRest_Dispose(rest);
    CkAuthAzureStorage_Dispose(azAuth);
    CkPrng_Dispose(prng);
    CkDateTime_Dispose(dt);
    CkXml_Dispose(xml);

    }