C
C
Amazon Pay - Complete Checkout Session
See more Amazon Pay Examples
Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent.Chilkat C Downloads
#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkPrivateKey.h>
#include <C_CkHttpResponse.h>
#include <C_CkStringBuilder.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttp http;
HCkJsonObject json;
HCkPrivateKey privKey;
const char *publicKeyId;
HCkHttpResponse resp;
HCkStringBuilder sbResponseBody;
HCkJsonObject jResp;
int respStatusCode;
BOOL nullVal;
const char *checkoutSessionId;
const char *webCheckoutDetails;
const char *chargePermissionType;
const char *recurringMetadata;
const char *productType;
const char *paymentDetails;
const char *merchantMetadata;
const char *supplementaryData;
const char *buyer;
const char *billingAddress;
const char *statusDetailsState;
const char *statusDetailsReasonCode;
const char *statusDetailsReasonDescription;
const char *statusDetailsLastUpdatedTimestamp;
const char *shippingAddress;
const char *platformId;
const char *chargePermissionId;
const char *chargeId;
const char *creationTimestamp;
const char *expirationTimestamp;
const char *storeId;
const char *deliverySpecifications;
const char *providerMetadata;
const char *releaseEnvironment;
int i;
int count_i;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http = CkHttp_Create();
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId/complete" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// }
// }'
// 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.
// {
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// }
// }
json = CkJsonObject_Create();
CkJsonObject_UpdateString(json,"chargeAmount.amount","14.00");
CkJsonObject_UpdateString(json,"chargeAmount.currencyCode","USD");
// 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.
privKey = CkPrivateKey_Create();
success = CkPrivateKey_LoadPemFile(privKey,"C:/someDir/myAmazonPayPrivateKey.pem");
if (success == FALSE) {
printf("%s\n",CkPrivateKey_lastErrorText(privKey));
CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkPrivateKey_Dispose(privKey);
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.
// Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
success = CkHttp_SetAuthPrivateKey(http,publicKeyId,privKey);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkPrivateKey_Dispose(privKey);
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
// x-amz-pay-idempotency-key
// Authorization
CkHttp_putAccept(http,"application/json");
// To use the live system, replace "sandbox" with "live" in the URL passed to HttpJson.
// Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
success = CkHttp_SetUrlVar(http,"sessionId","62b7d028-6c7c-4a43-b077-3897dff27c5b");
resp = CkHttpResponse_Create();
success = CkHttp_HttpJson(http,"POST","https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete",json,"application/json",resp);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkPrivateKey_Dispose(privKey);
CkHttpResponse_Dispose(resp);
return;
}
sbResponseBody = CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp = CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,FALSE);
// If the status code is not equal to 200, this will display error information.
printf("Response Body:\n");
printf("%s\n",CkJsonObject_emit(jResp));
respStatusCode = CkHttpResponse_getStatusCode(resp);
printf("Response Status Code = %d\n",respStatusCode);
if (respStatusCode != 200) {
// A sample response body for the case where the session ID does not exist:
// {
// "reasonCode": "ResourceNotFound",
// "message": "Resource you are trying to access is not available. Requested path '/sandbox/v2/checkoutSessions/bd504926-f659-4ad7-a1a9-9a747aaf5275'"
// }
// Another sample failure response (status code = 422)
// {
// "reasonCode": "InvalidCheckoutSessionStatus",
// "message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed"
// }
printf("Failed.\n");
CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkPrivateKey_Dispose(privKey);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
// "webCheckoutDetails": null,
// "chargePermissionType": "OneTime",
// "recurringMetadata": null,
// "productType": null,
// "paymentDetails": null,
// "merchantMetadata": null,
// "supplementaryData": null,
// "buyer": null,
// "billingAddress": null,
// "paymentPreferences": [
// null
// ],
// "statusDetails": {
// "state": "Completed",
// "reasonCode": null,
// "reasonDescription": null,
// "lastUpdatedTimestamp": "20191015T204327Z"
// },
// "shippingAddress": null,
// "platformId": null,
// "chargePermissionId": "S01-5105180-3221187",
// "chargeId": "S01-5105180-3221187-C056351",
// "constraints": [
// null
// ],
// "creationTimestamp": "20191015T204313Z",
// "expirationTimestamp": null,
// "storeId": null,
// "deliverySpecifications": null,
// "providerMetadata": null,
// "releaseEnvironment": null
// }
// 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.
checkoutSessionId = CkJsonObject_stringOf(jResp,"checkoutSessionId");
webCheckoutDetails = CkJsonObject_stringOf(jResp,"webCheckoutDetails");
chargePermissionType = CkJsonObject_stringOf(jResp,"chargePermissionType");
recurringMetadata = CkJsonObject_stringOf(jResp,"recurringMetadata");
productType = CkJsonObject_stringOf(jResp,"productType");
paymentDetails = CkJsonObject_stringOf(jResp,"paymentDetails");
merchantMetadata = CkJsonObject_stringOf(jResp,"merchantMetadata");
supplementaryData = CkJsonObject_stringOf(jResp,"supplementaryData");
buyer = CkJsonObject_stringOf(jResp,"buyer");
billingAddress = CkJsonObject_stringOf(jResp,"billingAddress");
statusDetailsState = CkJsonObject_stringOf(jResp,"statusDetails.state");
statusDetailsReasonCode = CkJsonObject_stringOf(jResp,"statusDetails.reasonCode");
statusDetailsReasonDescription = CkJsonObject_stringOf(jResp,"statusDetails.reasonDescription");
statusDetailsLastUpdatedTimestamp = CkJsonObject_stringOf(jResp,"statusDetails.lastUpdatedTimestamp");
shippingAddress = CkJsonObject_stringOf(jResp,"shippingAddress");
platformId = CkJsonObject_stringOf(jResp,"platformId");
chargePermissionId = CkJsonObject_stringOf(jResp,"chargePermissionId");
chargeId = CkJsonObject_stringOf(jResp,"chargeId");
creationTimestamp = CkJsonObject_stringOf(jResp,"creationTimestamp");
expirationTimestamp = CkJsonObject_stringOf(jResp,"expirationTimestamp");
storeId = CkJsonObject_stringOf(jResp,"storeId");
deliverySpecifications = CkJsonObject_stringOf(jResp,"deliverySpecifications");
providerMetadata = CkJsonObject_stringOf(jResp,"providerMetadata");
releaseEnvironment = CkJsonObject_stringOf(jResp,"releaseEnvironment");
i = 0;
count_i = CkJsonObject_SizeOfArray(jResp,"paymentPreferences");
while (i < count_i) {
CkJsonObject_putI(jResp,i);
nullVal = CkJsonObject_IsNullOf(jResp,"paymentPreferences[i]");
i = i + 1;
}
i = 0;
count_i = CkJsonObject_SizeOfArray(jResp,"constraints");
while (i < count_i) {
CkJsonObject_putI(jResp,i);
nullVal = CkJsonObject_IsNullOf(jResp,"constraints[i]");
i = i + 1;
}
CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkPrivateKey_Dispose(privKey);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
}