(C++) Azure File Service: Download a Text File into a String

Downloads a text file into a string variable.

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#include <CkRest.h>
#include <CkAuthAzureStorage.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    //  Azure File Service Example: Download Text File into String
    //  See:  https://docs.microsoft.com/en-us/rest/api/storageservices/get-file

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

    CkRest 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".
    bool success = rest.Connect("chilkat.file.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    //  Provide Azure Cloud credentials for the REST calls.
    CkAuthAzureStorage azAuth;
    azAuth.put_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.put_Account("chilkat");
    azAuth.put_Scheme("SharedKey");
    azAuth.put_Service("File");
    //  This causes the "x-ms-version: 2015-02-21" header to be automatically added.
    azAuth.put_XMsVersion("2015-02-21");
    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.

    //  Send a GET request to download the file "hamlet.xml" to a StringBuilder object.
    //  (The share name is "pip")
    CkStringBuilder sbFileContents;
    success = rest.FullRequestNoBodySb("GET","/pip/xmlFiles/hamlet.xml",sbFileContents);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    //  When successful, the response status will be 200.
    //  If a non-success status code is returned, then the sbFileContents actually contains the XML error message.
    if (rest.get_ResponseStatusCode() != 200) {
        //  Examine the request/response to see what happened.
        std::cout << "response status code = " << rest.get_ResponseStatusCode() << "\r\n";
        std::cout << "response status text = " << rest.responseStatusText() << "\r\n";
        std::cout << "response header: " << rest.responseHeader() << "\r\n";
        std::cout << "response body (if any): " << sbFileContents.getAsString() << "\r\n";
        std::cout << "---" << "\r\n";
        std::cout << "LastRequestStartLine: " << rest.lastRequestStartLine() << "\r\n";
        std::cout << "LastRequestHeader: " << rest.lastRequestHeader() << "\r\n";
        return;
    }

    std::cout << "Length of downloaded string = " << sbFileContents.get_Length() << "\r\n";

    const char *strFileContents = sbFileContents.getAsString();
    std::cout << strFileContents << "\r\n";

    sbFileContents.WriteFile("qa_output/hamlet.xml","utf-8",false);
    }