C

S3 Upload Binary File from BinData

See more Amazon S3 (new) Examples

Upload a binary file contained in a BinData object to Amazon S3. C

#include <C_CkRest.h>
#include <C_CkAuthAws.h>
#include <C_CkBinData.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAws authAws;
    HCkBinData pngData;
    HCkStringBuilder sbResponse;
    int statusCode;

    success = FALSE;

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

    rest = CkRest_Create();

    // Connect to the Amazon AWS REST server.
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    // Make sure to connect to the region where the bucket is located..
    success = CkRest_Connect(rest,"s3-us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"AWS_SECRET_KEY");
    // Use the correct region..
    CkAuthAws_putRegion(authAws,"us-west-2");
    CkAuthAws_putServiceName(authAws,"s3");

    success = CkRest_SetAuthAws(rest,authAws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat.qa".
    // (Also make sure to use the correct region.)
    CkRest_putHost(rest,"chilkat.qa.s3-us-west-2.amazonaws.com");

    // Load a text file into memory.
    pngData = CkBinData_Create();
    success = CkBinData_LoadFile(pngData,"qa_data/png/anemone.png");
    if (success != TRUE) {
        printf("Failed to load file from local filesystem.\n");
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkBinData_Dispose(pngData);
        return;
    }

    // Indicate the Content-Type of our upload.  (This is optional)
    CkRest_AddHeader(rest,"Content-Type","image/png");

    // Upload the file to Amazon S3.
    sbResponse = CkStringBuilder_Create();
    success = CkRest_FullRequestBd(rest,"PUT","/images/sea_creatures/anemone.png",pngData,sbResponse);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkBinData_Dispose(pngData);
        CkStringBuilder_Dispose(sbResponse);
        return;
    }

    // Did we get a 200 response indicating success?
    statusCode = CkRest_getResponseStatusCode(rest);
    if (statusCode != 200) {
        printf("Error response: %s\n",CkStringBuilder_getAsString(sbResponse));
        printf("Status code: %d, Status text: %s\n",statusCode,CkRest_responseStatusText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkBinData_Dispose(pngData);
        CkStringBuilder_Dispose(sbResponse);
        return;
    }

    printf("File successfully uploaded.\n");


    CkRest_Dispose(rest);
    CkAuthAws_Dispose(authAws);
    CkBinData_Dispose(pngData);
    CkStringBuilder_Dispose(sbResponse);

    }