Unicode C++

S3 Rename File

See more Amazon S3 (new) Examples

Demonstrates how to rename a file on Amazon S3.

Renaming an object (file) in AWS S3 using the AWS S3 API involves copying the object to a new location with the desired name and then deleting the original object.

Unicode C++

#include <CkRestW.h>
#include <CkAuthAwsW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkRestW rest;

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

    // Provide AWS credentials.
    CkAuthAwsW authAws;
    authAws.put_AccessKey(L"AWS_ACCESS_KEY");
    authAws.put_SecretKey(L"AWS_SECRET_KEY");
    authAws.put_ServiceName(L"s3");

    // This particular bucket is in the Oregon region, as opposed to the US Standard,
    // therefore the Region must be set appropriately.
    // Also note that we connected to "s3-us-west-2.amazonaws.com".
    authAws.put_Region(L"us-west-2");

    rest.SetAuthAws(authAws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat.qa".
    // Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-west-2.amazonaws.com"
    rest.put_Host(L"chilkat.qa.s3.amazonaws.com");

    // Copy /images/sea_creatures/starfish.jpg to /images/sea_creatures/starfish3.jpg
    // Notice here that the x-amz-copy-source includes the bucket in the source path,
    // but the target path passed to FullRequestNoBody does NOT contain the bucket (because the bucket
    // was already specified in the Host header).
    rest.AddHeader(L"x-amz-copy-source",L"/chilkat.qa/images/sea_creatures/starfish.jpg");

    CkStringBuilderW sbResponse;
    success = rest.FullRequestNoBodySb(L"PUT",L"/images/sea_creatures/starfish3.jpg",sbResponse);
    if (success == false) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // When successful, the S3 Storage service will respond with a 200 or 204 response code,
    // with an XML 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: %s\n",sbResponse.getAsString());
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",rest.lastRequestStartLine());
        wprintf(L"LastRequestHeader: %s\n",rest.lastRequestHeader());
    }

    wprintf(L"%s\n",sbResponse.getAsString());
    wprintf(L"Copy Successful.\n");

    // --------------------------------------
    // Now we can delete the original file..
    // --------------------------------------

    // We no longer want to send the x-amz-copy-source header.  Remove it.
    rest.RemoveHeader(L"x-amz-copy-source");

    success = rest.FullRequestNoBodySb(L"DELETE",L"/images/sea_creatures/starfish.jpg",sbResponse);
    if (success == false) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // If successfully deleted, the response status code is 204 and the response body text will be empty.
    int statusCode = rest.get_ResponseStatusCode();
    wprintf(L"Response status code = %d\n",statusCode);
    wprintf(L"Response text = \n");
    wprintf(L"%s\n",sbResponse.getAsString());
    }