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 <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAwsW authAws;
    HCkStringBuilderW sbResponse;
    int statusCode;

    success = FALSE;

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

    rest = CkRestW_Create();

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

    // Provide AWS credentials.
    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    CkAuthAwsW_putServiceName(authAws,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".
    CkAuthAwsW_putRegion(authAws,L"us-west-2");

    CkRestW_SetAuthAws(rest,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"
    CkRestW_putHost(rest,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).
    CkRestW_AddHeader(rest,L"x-amz-copy-source",L"/chilkat.qa/images/sea_creatures/starfish.jpg");

    sbResponse = CkStringBuilderW_Create();
    success = CkRestW_FullRequestNoBodySb(rest,L"PUT",L"/images/sea_creatures/starfish3.jpg",sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    // When successful, the S3 Storage service will respond with a 200 or 204 response code,
    // with an XML body.  
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        // Examine the request/response to see what happened.
        wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest));
        wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"response header: %s\n",CkRestW_responseHeader(rest));
        wprintf(L"response body: %s\n",CkStringBuilderW_getAsString(sbResponse));
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest));
        wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest));
    }

    wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));
    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.
    CkRestW_RemoveHeader(rest,L"x-amz-copy-source");

    success = CkRestW_FullRequestNoBodySb(rest,L"DELETE",L"/images/sea_creatures/starfish.jpg",sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

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


    CkRestW_Dispose(rest);
    CkAuthAwsW_Dispose(authAws);
    CkStringBuilderW_Dispose(sbResponse);

    }