(C++) S3 Add Tags to an Object

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Demonstrates how to add one or more tags to an S3 object.

For more information, see https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectTagging.html

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

void ChilkatSample(void)
    {
    // This example 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 in the desired region.
    // (for us-east-1, we use "s3.amazonaws.com", but for another region, such as us-west-2, we would use "s3-us-west-2.amazonaws.com")
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("s3");
    authAws.put_Region("us-east-1");

    rest.SetAuthAws(authAws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat100".
    // Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-east-1.amazonaws.com"
    // The same applies to aother regions.  The Host header should simply be <bucketName>.s3.amazonaws.com regardless of the region.
    rest.put_Host("chilkat100.s3.amazonaws.com");

    CkXml xml;
    xml.put_Tag("Tagging");
    xml.UpdateChildContent("TagSet|Tag|Key","plant");
    xml.UpdateChildContent("TagSet|Tag|Value","chili pepper");

    CkStringBuilder sbRequestBody;
    xml.GetXmlSb(sbRequestBody);

    // It is important to add the terminating "=" after the "?tagging".
    CkStringBuilder sbResponse;
    success = rest.FullRequestSb("PUT","/chiliPepper.gif?tagging=",sbRequestBody,sbResponse);
    if (success == false) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Response status code: " << rest.get_ResponseStatusCode() << "\r\n";

    // When successful, the S3 Storage service will respond with a 200 response code,
    // with an XML body.  
    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: " << sbResponse.getAsString() << "\r\n";
        std::cout << "---" << "\r\n";
        std::cout << "LastRequestStartLine: " << rest.lastRequestStartLine() << "\r\n";
        std::cout << "LastRequestHeader: " << rest.lastRequestHeader() << "\r\n";
    }

    std::cout << sbResponse.getAsString() << "\r\n";
    std::cout << "Success." << "\r\n";
    }