C
C
Payeezy Place Temp Authorization Hold on Buyer’s Credit Card
See more HTTP Misc Examples
Demonstrates how to place a temporary authorization hold for the desired amount on the buyer’s credit card. You can Capture the authorized amount on completion of service or Void/Refund the transaction as required.Chilkat C Downloads
#include <C_CkCrypt2.h>
#include <C_CkPrng.h>
#include <C_CkDateTime.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>
#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>
void ChilkatSample(void)
{
BOOL success;
HCkCrypt2 crypt;
HCkPrng prng;
const char *apiKey;
const char *apiSecret;
const char *token;
const char *nonce;
HCkDateTime dtNow;
HCkStringBuilder sbTimestamp;
const char *timestamp;
HCkJsonObject json;
HCkStringBuilder sbHmacData;
const char *hexHash;
HCkStringBuilder sbBase64Hash;
HCkHttp http;
const char *url;
HCkHttpResponse resp;
success = FALSE;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
crypt = CkCrypt2_Create();
prng = CkPrng_Create();
// An API key such as y6pWAJNyJyjGv66IsVuWnklkKUPFbb0a
apiKey = "my_api_key";
// An API secret such as 86fbae7030253af3cd15faef2a1f4b67353e41fb6799f576b5093ae52901e6f7
apiSecret = "my_api_secret";
// A token such as fdoa-a480ce8951daa73262734cf102641994c1e55e7cdf4c02b6
token = "my_merchant_token";
// The nonce is a random number (bytes), something like "6057786719490086000"
nonce = CkPrng_genRandom(prng,8,"decimal");
printf("nonce = %s\n",nonce);
dtNow = CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dtNow);
sbTimestamp = CkStringBuilder_Create();
// Get the epoch timestamp in seconds
CkStringBuilder_Append(sbTimestamp,CkDateTime_getAsUnixTimeStr(dtNow,FALSE));
// Change it to milliseconds
CkStringBuilder_Append(sbTimestamp,"000");
// The timestamp is a number similar to this: 1546011905000 (which is a timestamp taken on 28-Dec-2018).
timestamp = CkStringBuilder_getAsString(sbTimestamp);
printf("timestamp = %s\n",timestamp);
// Generate the following JSON request body:
// {
// "merchant_ref": "Astonishing-Sale",
// "transaction_type": "authorize",
// "method": "credit_card",
// "amount": "1299",
// "currency_code": "USD",
// "credit_card": {
// "type": "visa",
// "cardholder_name": "John Smith",
// "card_number": "4788250000028291",
// "exp_date": "1020",
// "cvv": "123"
// }
// }
json = CkJsonObject_Create();
CkJsonObject_UpdateString(json,"merchant_ref","Astonishing-Sale");
CkJsonObject_UpdateString(json,"transaction_type","authorize");
CkJsonObject_UpdateString(json,"method","credit_card");
CkJsonObject_UpdateString(json,"amount","1299");
CkJsonObject_UpdateString(json,"currency_code","USD");
CkJsonObject_UpdateString(json,"credit_card.type","visa");
CkJsonObject_UpdateString(json,"credit_card.cardholder_name","John Smith");
CkJsonObject_UpdateString(json,"credit_card.card_number","4788250000028291");
CkJsonObject_UpdateString(json,"credit_card.exp_date","1020");
CkJsonObject_UpdateString(json,"credit_card.cvv","123");
CkJsonObject_putEmitCompact(json,FALSE);
printf("%s\n",CkJsonObject_emit(json));
// string hashData = apiKey + nonce + timestamp + token + jsonString;
sbHmacData = CkStringBuilder_Create();
CkStringBuilder_Append(sbHmacData,apiKey);
CkStringBuilder_Append(sbHmacData,nonce);
CkStringBuilder_Append(sbHmacData,timestamp);
CkStringBuilder_Append(sbHmacData,token);
CkStringBuilder_Append(sbHmacData,CkJsonObject_emit(json));
// HMAC the data to produce a hex string.
CkCrypt2_putEncodingMode(crypt,"hexlower");
CkCrypt2_putMacAlgorithm(crypt,"hmac");
CkCrypt2_SetMacKeyString(crypt,apiSecret);
CkCrypt2_putHashAlgorithm(crypt,"sha256");
CkCrypt2_putCharset(crypt,"utf-8");
hexHash = CkCrypt2_macStringENC(crypt,CkStringBuilder_getAsString(sbHmacData));
printf("hexHash = %s\n",hexHash);
// Now base64 encode the hex string:
sbBase64Hash = CkStringBuilder_Create();
CkStringBuilder_Append(sbBase64Hash,hexHash);
CkStringBuilder_Encode(sbBase64Hash,"base64","utf-8");
printf("This is the Authorization header to be sent with the payeezy request:\n");
printf("Authorization: %s\n",CkStringBuilder_getAsString(sbBase64Hash));
// -----------------------------------------------------------
// Now that we have the value for the Authorization header, send the POST containing the JSON.
http = CkHttp_Create();
CkHttp_putAccept(http,"*/*");
CkHttp_putUserAgent(http,"");
CkHttp_SetRequestHeader(http,"Authorization",CkStringBuilder_getAsString(sbBase64Hash));
CkHttp_SetRequestHeader(http,"apikey",apiKey);
CkHttp_SetRequestHeader(http,"nonce",nonce);
CkHttp_SetRequestHeader(http,"timestamp",timestamp);
CkHttp_SetRequestHeader(http,"token",token);
CkHttp_putSessionLogFilename(http,"qa_output/payeezy.txt");
url = "https://api-cert.payeezy.com/v1/transactions";
resp = CkHttpResponse_Create();
success = CkHttp_HttpJson(http,"POST",url,json,"application/json",resp);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkCrypt2_Dispose(crypt);
CkPrng_Dispose(prng);
CkDateTime_Dispose(dtNow);
CkStringBuilder_Dispose(sbTimestamp);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbHmacData);
CkStringBuilder_Dispose(sbBase64Hash);
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
return;
}
printf("response status code = %d\n",CkHttpResponse_getStatusCode(resp));
CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
printf("%s\n",CkJsonObject_emit(json));
// Sample JSON response:
// {
// "correlation_id": "228.4604632998994",
// "transaction_status": "approved",
// "validation_status": "success",
// "transaction_type": "authorize",
// "transaction_id": "ET175628",
// "transaction_tag": "2313721985",
// "method": "credit_card",
// "amount": "1299",
// "currency": "USD",
// "cvv2": "M",
// "token": {
// "token_type": "FDToken",
// "token_data": {
// "value": "9732261336638291"
// }
// },
// "card": {
// "type": "visa",
// "cardholder_name": "John Smith",
// "card_number": "8291",
// "exp_date": "1020"
// },
// "bank_resp_code": "100",
// "bank_message": "Approved",
// "gateway_resp_code": "00",
// "gateway_message": "Transaction Normal"
// }
//
printf("%s\n",CkJsonObject_stringOf(json,"correlation_id"));
printf("%s\n",CkJsonObject_stringOf(json,"transaction_status"));
printf("%s\n",CkJsonObject_stringOf(json,"validation_status"));
printf("%s\n",CkJsonObject_stringOf(json,"transaction_type"));
printf("%s\n",CkJsonObject_stringOf(json,"transaction_id"));
printf("%s\n",CkJsonObject_stringOf(json,"transaction_tag"));
printf("%s\n",CkJsonObject_stringOf(json,"method"));
printf("%s\n",CkJsonObject_stringOf(json,"amount"));
printf("%s\n",CkJsonObject_stringOf(json,"currency"));
printf("%s\n",CkJsonObject_stringOf(json,"cvv2"));
printf("%s\n",CkJsonObject_stringOf(json,"token.token_type"));
printf("%s\n",CkJsonObject_stringOf(json,"token.token_data.value"));
printf("%s\n",CkJsonObject_stringOf(json,"card.type"));
printf("%s\n",CkJsonObject_stringOf(json,"card.cardholder_name"));
printf("%s\n",CkJsonObject_stringOf(json,"card.card_number"));
printf("%s\n",CkJsonObject_stringOf(json,"card.exp_date"));
printf("%s\n",CkJsonObject_stringOf(json,"bank_resp_code"));
printf("%s\n",CkJsonObject_stringOf(json,"bank_message"));
printf("%s\n",CkJsonObject_stringOf(json,"gateway_resp_code"));
printf("%s\n",CkJsonObject_stringOf(json,"gateway_message"));
CkCrypt2_Dispose(crypt);
CkPrng_Dispose(prng);
CkDateTime_Dispose(dtNow);
CkStringBuilder_Dispose(sbTimestamp);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbHmacData);
CkStringBuilder_Dispose(sbBase64Hash);
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
}