Unicode C

Amazon Glacier Upload Archive from In-Memory Data

See more Amazon Glacier Examples

Demonstrates how to add an archive to a vault from data in memory.

Note: This example requires Chilkat v9.5.0.78 or greater.

Unicode C

#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkBinDataW.h>
#include <C_CkCrypt2W.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAwsW authAws;
    HCkBinDataW bd;
    HCkCrypt2W crypt;
    const wchar_t *treeHashHex;
    const wchar_t *linearHashHex;
    HCkStringBuilderW sbResponseBody;
    int respStatusCode;
    const wchar_t *archiveId;
    const wchar_t *location;

    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"glacier.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"glacier");
    CkAuthAwsW_putRegion(authAws,L"us-west-2");

    success = CkRestW_SetAuthAws(rest,authAws);

    // --------------------------------------------------------------------------
    // Note: The above REST connection and setup of the AWS credentials
    // can be done once.  After connecting, any number of REST calls can be made.
    // The "auto reconnect" property passed to rest.Connect indicates that if
    // the connection is lost, a REST method call will automatically reconnect
    // if needed.
    // --------------------------------------------------------------------------

    // Load the data to be uploaded.
    bd = CkBinDataW_Create();
    success = CkBinDataW_LoadFile(bd,L"qa_data/jpg/penguins.jpg");
    // (The point here is that the contents of the bd don't necessarily have to come from a file.)

    // 
    // For more information, see Glacier Upload Archive Reference Documentation
    // 
    CkRestW_AddHeader(rest,L"x-amz-glacier-version",L"2012-06-01");

    // We'll need to pre-compute the SHA256 tree hash and the SHA256 linear hash.
    // The hashes are added in the following request headers:

    // x-amz-sha256-tree-hash: SHA256 tree hash
    // x-amz-content-sha256: SHA256 linear hash

    crypt = CkCrypt2W_Create();
    CkCrypt2W_putHashAlgorithm(crypt,L"sha256-tree-hash");
    CkCrypt2W_putEncodingMode(crypt,L"hexlower");
    treeHashHex = CkCrypt2W_hashBdENC(crypt,bd);
    CkRestW_AddHeader(rest,L"x-amz-sha256-tree-hash",treeHashHex);

    CkCrypt2W_putHashAlgorithm(crypt,L"sha256");
    linearHashHex = CkCrypt2W_hashBdENC(crypt,bd);
    CkAuthAwsW_putPrecomputedSha256(authAws,linearHashHex);

    // We can optionally add a description
    CkRestW_AddHeader(rest,L"x-amz-archive-description",L"Penguins JPG");

    sbResponseBody = CkStringBuilderW_Create();
    success = CkRestW_FullRequestBd(rest,L"POST",L"/AWS_ACCOUNT_ID/vaults/chilkat/archives",bd,sbResponseBody);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkBinDataW_Dispose(bd);
        CkCrypt2W_Dispose(crypt);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    respStatusCode = CkRestW_getResponseStatusCode(rest);
    if (respStatusCode >= 400) {
        wprintf(L"Response Status Code = %d\n",respStatusCode);
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkRestW_responseHeader(rest));
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkBinDataW_Dispose(bd);
        CkCrypt2W_Dispose(crypt);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    // Success is indicated by a 201 response status with an empty response body.
    wprintf(L"response status code = %d\n",respStatusCode);

    // If successful, the response header looks like this.
    // The Location and x-amz-archive-id are two items of information we may wish to save..

    // HTTP/1.1 201 Created
    // x-amzn-RequestId: AAABZpJrTyioDC_HsOmHae8EZp_uBSJr6cnGOLKp_XJCl-Q
    // Date: Wed, 10 Feb 2017 12:00:00 GMT
    // x-amz-sha256-tree-hash: beb0fe31a1c7ca8c6c04d574ea906e3f97b31fdca7571defb5b44dca89b5af60
    // Location: /111122223333/vaults/examplevault/archives/NkbByEejwEggmBz2fTH ... GlqrEXAMPLEArchiveId
    // x-amz-archive-id: NkbByEejwEggmBz2fTHgJrg0XBoDfjP4q6iu87-TjhqG6eGoOY9Z8i1_AUyUsu ... BfGlqrEXAMPLEArchiveId
    // 

    archiveId = CkRestW_responseHdrByName(rest,L"x-amz-archive-id");
    wprintf(L"x-amz-archive-id = %s\n",archiveId);

    location = CkRestW_responseHdrByName(rest,L"Location");
    wprintf(L"Location = %s\n",location);


    CkRestW_Dispose(rest);
    CkAuthAwsW_Dispose(authAws);
    CkBinDataW_Dispose(bd);
    CkCrypt2W_Dispose(crypt);
    CkStringBuilderW_Dispose(sbResponseBody);

    }