(C) Amazon Glacier Set Vault Access Policy

Demonstrates how to set an access policy for a vault (will overwrite the existing policy).

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

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkAuthAws authAws;
    HCkJsonObject jsonPolicy;
    HCkJsonObject json;
    HCkStringBuilder sbRequestBody;
    HCkStringBuilder sbResponseBody;
    int respStatusCode;

    // 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 in the desired region.
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRest_Connect(rest,"glacier.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials.
    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"AWS_SECRET_KEY");
    CkAuthAws_putServiceName(authAws,"glacier");
    CkAuthAws_putRegion(authAws,"us-west-2");

    success = CkRest_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.
    // --------------------------------------------------------------------------

    // For more information, see Glacier Set Vault Access Policy Reference Documentation
    // 
    CkRest_AddHeader(rest,"x-amz-glacier-version","2012-06-01");

    // Create the following JSON
    // Use this online tool to generate the code from sample JSON: 
    // Generate Code to Create JSON

    // {
    //   "Version": "2012-10-17",
    //   "Statement": [
    //     {
    //       "Sid": "Define-owner-access-rights",
    //       "Effect": "Allow",
    //       "Principal": {
    //         "AWS": "arn:aws:iam::AWS_ACCOUNT_ID:root"
    //       },
    //       "Action": "glacier:DeleteArchive",
    //       "Resource": "arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat"
    //     }
    //   ]
    // }

    jsonPolicy = CkJsonObject_Create();
    CkJsonObject_UpdateString(jsonPolicy,"Version","2012-10-17");
    CkJsonObject_UpdateString(jsonPolicy,"Statement[0].Sid","Define-owner-access-rights");
    CkJsonObject_UpdateString(jsonPolicy,"Statement[0].Effect","Allow");
    CkJsonObject_UpdateString(jsonPolicy,"Statement[0].Principal.AWS","arn:aws:iam::AWS_ACCOUNT_ID:root");
    CkJsonObject_UpdateString(jsonPolicy,"Statement[0].Action","glacier:DeleteArchive");
    // Notice here the name of the vault: "chilkat".  Change it to your vault name.  Also use your actual AWS account ID.
    CkJsonObject_UpdateString(jsonPolicy,"Statement[0].Resource","arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat");

    // Wrap the above JSON in this JSON:

    // {
    //    "Policy": "{  ... the above JSON ... }"
    // }
    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"Policy",CkJsonObject_emit(jsonPolicy));

    sbRequestBody = CkStringBuilder_Create();
    CkJsonObject_EmitSb(json,sbRequestBody);

    sbResponseBody = CkStringBuilder_Create();
    success = CkRest_FullRequestSb(rest,"PUT","/AWS_ACCOUNT_ID/vaults/chilkat/access-policy",sbRequestBody,sbResponseBody);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonPolicy);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbRequestBody);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    respStatusCode = CkRest_getResponseStatusCode(rest);
    if (respStatusCode >= 400) {
        printf("Response Status Code = %d\n",respStatusCode);
        printf("Response Header:\n");
        printf("%s\n",CkRest_responseHeader(rest));
        printf("Response Body:\n");
        printf("%s\n",CkStringBuilder_getAsString(sbResponseBody));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonPolicy);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbRequestBody);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    // Success is indicated by a 204 response status with an empty response body.
    printf("response status code = %d\n",respStatusCode);


    CkRest_Dispose(rest);
    CkAuthAws_Dispose(authAws);
    CkJsonObject_Dispose(jsonPolicy);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbRequestBody);
    CkStringBuilder_Dispose(sbResponseBody);

    }