Unicode C++
Unicode C++
Amazon Pay - Cancel Charge
See more Amazon Pay Examples
Moves Charge to Canceled state and releases any authorized payments.Chilkat Unicode C++ Downloads
#include <CkHttpW.h>
#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>
#include <CkPrivateKeyW.h>
#include <CkHttpResponseW.h>
void ChilkatSample(void)
{
bool success = false;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkHttpW http;
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/charges/:chargeId/cancel" \
// -X DELETE
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -d '{
// "cancellationReason": "REASON DESCRIPTION"
// }'
// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code
// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON
// The following JSON is sent in the request body.
// {
// "cancellationReason": "REASON DESCRIPTION"
// }
CkJsonObjectW json;
json.UpdateString(L"cancellationReason",L"REASON DESCRIPTION");
CkStringBuilderW sbRequestBody;
json.EmitSb(sbRequestBody);
// Load your Amazon Pay private key.
// There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
// or from in-memory strings or bytes.
CkPrivateKeyW privKey;
success = privKey.LoadPemFile(L"C:/someDir/myAmazonPayPrivateKey.pem");
if (success == false) {
wprintf(L"%s\n",privKey.lastErrorText());
return;
}
// Provide your Amazon Pay private key and Public Key ID
// Use your public key ID here. It must be the one associated with the private key.
const wchar_t *publicKeyId = L"SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
success = http.SetAuthPrivateKey(publicKeyId,privKey);
if (success == false) {
wprintf(L"%s\n",http.lastErrorText());
return;
}
// Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
// and will also sign the request. Nothing more is needed.
// Chilkat automatically generates and adds the following headers:
//
// x-amz-pay-date
// x-amz-pay-host
// x-amz-pay-region
// Authorization
http.put_Accept(L"application/json");
// Use the actual chargeId here:
success = http.SetUrlVar(L"chargeId",L"bd504926-f659-4ad7-a1a9-9a747aaf5275");
// To use the live system, replace "sandbox" with "live" in the URL passed to HttpSb.
// Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
CkHttpResponseW resp;
success = http.HttpSb(L"DELETE",L"https://pay-api.amazon.eu/sandbox/v2/charges/{$chargeId}/cancel",sbRequestBody,L"utf-8",L"application/json",resp);
if (success == false) {
wprintf(L"%s\n",http.lastErrorText());
return;
}
CkStringBuilderW sbResponseBody;
resp.GetBodySb(sbResponseBody);
CkJsonObjectW jResp;
jResp.LoadSb(sbResponseBody);
jResp.put_EmitCompact(false);
// If the status code is not equal to 200, this will display error information.
wprintf(L"Response Body:\n");
wprintf(L"%s\n",jResp.emit());
int respStatusCode = resp.get_StatusCode();
wprintf(L"Response Status Code = %d\n",respStatusCode);
if (respStatusCode != 200) {
wprintf(L"Failed.\n");
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "chargeId": "P21-1111111-1111111-C111111",
// "chargePermissionId": "P21-1111111-1111111",
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// },
// "captureAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// },
// "refundedAmount": {
// "amount": "0.00",
// "currencyCode": "USD"
// },
// "convertedAmount": "14.00",
// "conversionRate": "1.00",
// "softDescriptor": "SOFT DESCRIPTOR",
// "merchantMetadata": null,
// "providerMetadata": {
// "providerReferenceId": null
// },
// "statusDetails": {
// "state": "Canceled",
// "reasonCode": null,
// "reasonDescription": null,
// "lastUpdatedTimestamp": "20190714T155300Z"
// },
// "creationTimestamp": "20190714T155300Z",
// "expirationTimestamp": "20190715T155300Z",
// "releaseEnvironment": "Sandbox"
// }
// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
// Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
// See this example explaining how this memory should be used: const char * functions.
const wchar_t *chargeId = jResp.stringOf(L"chargeId");
const wchar_t *chargePermissionId = jResp.stringOf(L"chargePermissionId");
const wchar_t *chargeAmountAmount = jResp.stringOf(L"chargeAmount.amount");
const wchar_t *chargeAmountCurrencyCode = jResp.stringOf(L"chargeAmount.currencyCode");
const wchar_t *captureAmountAmount = jResp.stringOf(L"captureAmount.amount");
const wchar_t *captureAmountCurrencyCode = jResp.stringOf(L"captureAmount.currencyCode");
const wchar_t *refundedAmountAmount = jResp.stringOf(L"refundedAmount.amount");
const wchar_t *refundedAmountCurrencyCode = jResp.stringOf(L"refundedAmount.currencyCode");
const wchar_t *convertedAmount = jResp.stringOf(L"convertedAmount");
const wchar_t *conversionRate = jResp.stringOf(L"conversionRate");
const wchar_t *softDescriptor = jResp.stringOf(L"softDescriptor");
const wchar_t *merchantMetadata = jResp.stringOf(L"merchantMetadata");
const wchar_t *providerMetadataProviderReferenceId = jResp.stringOf(L"providerMetadata.providerReferenceId");
const wchar_t *statusDetailsState = jResp.stringOf(L"statusDetails.state");
const wchar_t *statusDetailsReasonCode = jResp.stringOf(L"statusDetails.reasonCode");
const wchar_t *statusDetailsReasonDescription = jResp.stringOf(L"statusDetails.reasonDescription");
const wchar_t *statusDetailsLastUpdatedTimestamp = jResp.stringOf(L"statusDetails.lastUpdatedTimestamp");
const wchar_t *creationTimestamp = jResp.stringOf(L"creationTimestamp");
const wchar_t *expirationTimestamp = jResp.stringOf(L"expirationTimestamp");
const wchar_t *releaseEnvironment = jResp.stringOf(L"releaseEnvironment");
}