C
C
PayPal - Capture Authorization
See more PayPal Examples
Capture and process a previously created authorization. The original payment call must have the intent set to authorize.Note: This example requires Chilkat v9.5.0.65 or greater.
Chilkat C Downloads
#include <C_CkJsonObject.h>
#include <C_CkStringBuilder.h>
#include <C_CkRest.h>
void ChilkatSample(void)
{
BOOL success;
HCkJsonObject jsonToken;
HCkStringBuilder sbAuth;
HCkRest rest;
BOOL bAutoReconnect;
HCkJsonObject json;
HCkStringBuilder sbPath;
int numReplaced;
HCkStringBuilder sbJsonRequest;
HCkStringBuilder sbJsonResponse;
success = FALSE;
// Note: Requires Chilkat v9.5.0.64 or greater.
// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Load our previously obtained access token. (see PayPal OAuth2 Access Token)
jsonToken = CkJsonObject_Create();
CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/paypal.json");
// Build the Authorization request header field value.
sbAuth = CkStringBuilder_Create();
// token_type should be "Bearer"
CkStringBuilder_Append(sbAuth,CkJsonObject_stringOf(jsonToken,"token_type"));
CkStringBuilder_Append(sbAuth," ");
CkStringBuilder_Append(sbAuth,CkJsonObject_stringOf(jsonToken,"access_token"));
// Make the initial connection.
// A single REST object, once connected, can be used for many PayPal REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
rest = CkRest_Create();
bAutoReconnect = TRUE;
success = CkRest_Connect(rest,"api.sandbox.paypal.com",443,TRUE,bAutoReconnect);
if (success != TRUE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
return;
}
// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request. Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------
// To capture a particular amount, build JSON such as this:
json = CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,FALSE);
CkJsonObject_UpdateString(json,"amount.currency","USD");
CkJsonObject_UpdateString(json,"amount.total","6.70");
// is_final_capture is optional and indicates whether to release all remaining funds that the authorization holds in the funding instrument.
CkJsonObject_UpdateBool(json,"is_final_capture",TRUE);
printf("%s\n",CkJsonObject_emit(json));
// The JSON created by the above code:
// {
// "amount": {
// "currency": "USD",
// "total": "6.70"
// },
// "is_final_capture": true
// }
// This is the OAuth2 Authorization header, not to be confused with a PayPal credit card authorization...
CkRest_AddHeader(rest,"Authorization",CkStringBuilder_getAsString(sbAuth));
CkRest_AddHeader(rest,"Content-Type","application/json");
// The authorization ID is added to the path.
// The authorization ID is obtained from payment records as shown here: Find Authorizations
sbPath = CkStringBuilder_Create();
CkStringBuilder_Append(sbPath,"/v1/payments/authorization/authorization_id/capture");
numReplaced = CkStringBuilder_Replace(sbPath,"authorization_id","6HG91590AX913463C");
// Send the POST request containing the JSON in the request body, and get the JSON response.
sbJsonRequest = CkStringBuilder_Create();
CkJsonObject_putEmitCompact(json,TRUE);
CkJsonObject_EmitSb(json,sbJsonRequest);
sbJsonResponse = CkStringBuilder_Create();
success = CkRest_FullRequestSb(rest,"POST",CkStringBuilder_getAsString(sbPath),sbJsonRequest,sbJsonResponse);
if (success != TRUE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbJsonRequest);
CkStringBuilder_Dispose(sbJsonResponse);
return;
}
CkJsonObject_putEmitCompact(json,FALSE);
CkJsonObject_LoadSb(json,sbJsonResponse);
printf("Response Status Code = %d\n",CkRest_getResponseStatusCode(rest));
// Did we get a 200 success response?
if (CkRest_getResponseStatusCode(rest) != 200) {
printf("%s\n",CkJsonObject_emit(json));
printf("Failed.\n");
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbJsonRequest);
CkStringBuilder_Dispose(sbJsonResponse);
return;
}
printf("%s\n",CkJsonObject_emit(json));
printf("Success.\n");
// A successful JSON response:
// {
// "id": "87S70321AE222860G",
// "create_time": "2016-11-26T17:27:46Z",
// "update_time": "2016-11-26T17:27:50Z",
// "amount": {
// "total": "6.70",
// "currency": "USD"
// },
// "is_final_capture": true,
// "state": "completed",
// "reasonCode": "None",
// "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
// "transaction_fee": {
// "value": "0.49",
// "currency": "USD"
// },
// "links": [
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G",
// "rel": "self",
// "method": "GET"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G/refund",
// "rel": "refund",
// "method": "POST"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/authorization/6HG91590AX913463C",
// "rel": "authorization",
// "method": "GET"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-3SL8976592063093RLA3DMAY",
// "rel": "parent_payment",
// "method": "GET"
// }
// ]
// }
//
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbJsonRequest);
CkStringBuilder_Dispose(sbJsonResponse);
}