(C++) S3 Find Bucket Region

Demonstrates how to find out the region of an S3 bucket.

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#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;

    // Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2")
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("s3");
    success = rest.SetAuthAws(authAws);

    // The bucket name we want to know about is set in the HOST header.
    // In this example, we want to find the region for the "chilkat.qa" bucket.
    rest.put_Host("chilkat.qa.s3.amazonaws.com");

    // Send the GET request to query the bucket location.
    const char *strResult = rest.fullRequestNoBody("GET","/?location");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int responseStatusCode = rest.get_ResponseStatusCode();
    std::cout << "Response status code = " << responseStatusCode << "\r\n";
    if (responseStatusCode != 200) {
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << strResult << "\r\n";
        std::cout << "Failed." << "\r\n";
        return;
    }

    std::cout << strResult << "\r\n";

    // The result contains XML like this:
    // <?xml version="1.0" encoding="UTF-8"?>
    // <LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/">us-west-2</LocationConstraint>

    // Get the "us-west-2" from the XML
    CkXml xml;
    success = xml.LoadXml(strResult);
    std::cout << "region = " << xml.content() << "\r\n";
    }