Unicode C
Unicode C
Ibanity XS2A List Financial Institutions
See more Ibanity Examples
Demonstrates how to send a request to get a list of financial institutions.Chilkat Unicode C Downloads
#include <C_CkCertW.h>
#include <C_CkDateTimeW.h>
#include <C_CkCrypt2W.h>
#include <C_CkStringBuilderW.h>
#include <C_CkPrivateKeyW.h>
#include <C_CkRsaW.h>
#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
void ChilkatSample(void)
{
BOOL success;
HCkCertW cert;
HCkDateTimeW dtNow;
const wchar_t *created;
HCkCrypt2W crypt2;
HCkStringBuilderW sbDigestHdrValue;
const wchar_t *request_target;
HCkStringBuilderW sbSigningString;
const wchar_t *signed_headers_list;
HCkPrivateKeyW privKey;
HCkRsaW rsa;
const wchar_t *sigBase64;
HCkStringBuilderW sbSigHeaderValue;
HCkHttpW http;
HCkStringBuilderW sbResponseBody;
HCkJsonObjectW jResp;
int respStatusCode;
const wchar_t *attributesBic;
BOOL attributesBulkPaymentsEnabled;
const wchar_t *attributesCountry;
BOOL attributesFinancialInstitutionCustomerReferenceRequired;
BOOL attributesFutureDatedPaymentsAllowed;
const wchar_t *attributesLogoUrl;
const wchar_t *attributesMaintenanceFrom;
const wchar_t *attributesMaintenanceTo;
const wchar_t *attributesMaintenanceType;
const wchar_t *attributesMaxRequestedAccountReferences;
int attributesMinRequestedAccountReferences;
const wchar_t *attributesName;
BOOL attributesPaymentsEnabled;
BOOL attributesPeriodicPaymentsEnabled;
const wchar_t *attributesPrimaryColor;
BOOL attributesRequiresCredentialStorage;
BOOL attributesRequiresCustomerIpAddress;
BOOL attributesSandbox;
const wchar_t *attributesSecondaryColor;
const wchar_t *attributesSharedBrandName;
const wchar_t *attributesSharedBrandReference;
const wchar_t *attributesStatus;
const wchar_t *id;
const wchar_t *linksSelf;
const wchar_t *v_type;
int j;
int count_j;
const wchar_t *strVal;
const wchar_t *linksFirst;
int metaPagingLimit;
int i;
int count_i;
success = FALSE;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Send the following request:
// $ curl -X GET https://api.ibanity.com/xs2a/financial-institutions \
// --cert certificate.pem \
// --key private_key.pem \
// -H 'Signature: keyId="75b5d796-de5c-400a-81ce-e72371b01cbc",created=1599659223,algorithm="hs2019",headers="(request-target) digest (created) host",signature="BASE64(RSA-SHA256(SIGNING_STRING))"' \
// -H 'Digest: SHA-512=beDaRguyEb8fhh5wnl37bOTDtvhuYZyZNkTZ9LiC9Wc='
// Ibanity provides the certificate + private key in PFX format. This example will use the .pfx instead of the pair of PEM files.
// (It is also possible to implement using Chilkat with the PEM files, but PFX is easier.)
cert = CkCertW_Create();
success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/my_ibanity_certificate.pfx",L"my_pfx_password");
if (success == FALSE) {
wprintf(L"%s\n",CkCertW_lastErrorText(cert));
CkCertW_Dispose(cert);
return;
}
// We need to calculate the Digest and Signature header fields.
// For a detailed explanation, see Calculate Ibanity HTTP Signature Example
// We'll just write the code here as briefly as possible.
dtNow = CkDateTimeW_Create();
CkDateTimeW_SetFromCurrentSystemTime(dtNow);
created = CkDateTimeW_getAsUnixTimeStr(dtNow,FALSE);
crypt2 = CkCrypt2W_Create();
CkCrypt2W_putHashAlgorithm(crypt2,L"sha512");
CkCrypt2W_putEncodingMode(crypt2,L"base64");
sbDigestHdrValue = CkStringBuilderW_Create();
CkStringBuilderW_Append(sbDigestHdrValue,L"SHA-512=");
// GET requests have empty payloads. The SHA-512 hash of the empty string is the same for all GET requests.
// Therefore all GET requests will use "z4PhNX7vuL3xVChQ1m2AB9Yg5AULVxXcg/SpIdNs6c5H0NE8XYXysP+DGNKHfuwvY7kxvUdBeoGlODJ6+SfaPg=="
// You can eliminate the explicit hash computation (for GET requests) and simply use the above literal string.
CkStringBuilderW_Append(sbDigestHdrValue,CkCrypt2W_hashStringENC(crypt2,L""));
wprintf(L"Generated Digest\n");
wprintf(L"%s\n",CkStringBuilderW_getAsString(sbDigestHdrValue));
request_target = L"get /xs2a/financial-institutions";
sbSigningString = CkStringBuilderW_Create();
CkStringBuilderW_Append(sbSigningString,L"(request-target): ");
CkStringBuilderW_AppendLine(sbSigningString,request_target,FALSE);
CkStringBuilderW_Append(sbSigningString,L"host: ");
CkStringBuilderW_AppendLine(sbSigningString,L"api.ibanity.com",FALSE);
CkStringBuilderW_Append(sbSigningString,L"digest: ");
CkStringBuilderW_AppendLine(sbSigningString,CkStringBuilderW_getAsString(sbDigestHdrValue),FALSE);
CkStringBuilderW_Append(sbSigningString,L"(created): ");
CkStringBuilderW_Append(sbSigningString,created);
// ibanity-idempotency-key is not used with GET requests.
wprintf(L"Signing String:\n");
wprintf(L"%s\n",CkStringBuilderW_getAsString(sbSigningString));
signed_headers_list = L"(request-target) host digest (created)";
privKey = CkPrivateKeyW_Create();
success = CkPrivateKeyW_LoadEncryptedPemFile(privKey,L"my_ibanity_signature_private_key.pem",L"pem_password");
if (success == FALSE) {
wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
return;
}
rsa = CkRsaW_Create();
CkRsaW_putPssSaltLen(rsa,32);
CkRsaW_putEncodingMode(rsa,L"base64");
// Use the RSASSA-PSS signature algorithm
CkRsaW_putPkcsPadding(rsa,FALSE);
success = CkRsaW_UsePrivateKey(rsa,privKey);
if (success == FALSE) {
wprintf(L"%s\n",CkRsaW_lastErrorText(rsa));
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
return;
}
// Sign the signing string.
sigBase64 = CkRsaW_signStringENC(rsa,CkStringBuilderW_getAsString(sbSigningString),L"sha-256");
if (CkRsaW_getLastMethodSuccess(rsa) == FALSE) {
wprintf(L"%s\n",CkRsaW_lastErrorText(rsa));
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
return;
}
wprintf(L"Signature:\n");
wprintf(L"%s\n",sigBase64);
// Build the signature header value.
sbSigHeaderValue = CkStringBuilderW_Create();
CkStringBuilderW_Append(sbSigHeaderValue,L"keyId=\"");
// Use your identifier for the application's signature certificate, obtained from the Developer Portal
CkStringBuilderW_Append(sbSigHeaderValue,L"a0ce296d-84c8-4bd5-8eb4-de0339950cfa");
CkStringBuilderW_Append(sbSigHeaderValue,L"\",created=");
CkStringBuilderW_Append(sbSigHeaderValue,created);
CkStringBuilderW_Append(sbSigHeaderValue,L",algorithm=\"hs2019\",headers=\"");
CkStringBuilderW_Append(sbSigHeaderValue,signed_headers_list);
CkStringBuilderW_Append(sbSigHeaderValue,L"\",signature=\"");
CkStringBuilderW_Append(sbSigHeaderValue,sigBase64);
CkStringBuilderW_Append(sbSigHeaderValue,L"\"");
// Send the GET request..
http = CkHttpW_Create();
success = CkHttpW_SetSslClientCert(http,cert);
if (success == FALSE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
CkStringBuilderW_Dispose(sbSigHeaderValue);
CkHttpW_Dispose(http);
return;
}
CkHttpW_SetRequestHeader(http,L"Signature",CkStringBuilderW_getAsString(sbSigHeaderValue));
CkHttpW_SetRequestHeader(http,L"Digest",CkStringBuilderW_getAsString(sbDigestHdrValue));
sbResponseBody = CkStringBuilderW_Create();
success = CkHttpW_QuickGetSb(http,L"https://api.ibanity.com/xs2a/financial-institutions",sbResponseBody);
if (success == FALSE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
CkStringBuilderW_Dispose(sbSigHeaderValue);
CkHttpW_Dispose(http);
CkStringBuilderW_Dispose(sbResponseBody);
return;
}
jResp = CkJsonObjectW_Create();
CkJsonObjectW_LoadSb(jResp,sbResponseBody);
CkJsonObjectW_putEmitCompact(jResp,FALSE);
wprintf(L"Response Body:\n");
wprintf(L"%s\n",CkJsonObjectW_emit(jResp));
respStatusCode = CkHttpW_getLastStatus(http);
wprintf(L"Response Status Code = %d\n",respStatusCode);
if (respStatusCode >= 400) {
wprintf(L"Response Header:\n");
wprintf(L"%s\n",CkHttpW_lastHeader(http));
wprintf(L"Failed.\n");
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
CkStringBuilderW_Dispose(sbSigHeaderValue);
CkHttpW_Dispose(http);
CkStringBuilderW_Dispose(sbResponseBody);
CkJsonObjectW_Dispose(jResp);
return;
}
// Sample output:
// (Sample code for parsing the JSON response is shown below)
// {
// "data": [
// {
// "attributes": {
// "authorizationModels": [
// "detailed",
// "financialInstitutionOffered"
// ],
// "bic": "NBBEBEBB203",
// "bulkPaymentsEnabled": true,
// "bulkPaymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "country": null,
// "financialInstitutionCustomerReferenceRequired": false,
// "futureDatedPaymentsAllowed": true,
// "logoUrl": "https://s3.eu-central-1.amazonaws.com/ibanity-production-financial-institution-assets/sandbox.png",
// "maintenanceFrom": null,
// "maintenanceTo": null,
// "maintenanceType": null,
// "maxRequestedAccountReferences": null,
// "minRequestedAccountReferences": 0,
// "name": "Bogus Financial",
// "paymentsEnabled": true,
// "paymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "periodicPaymentsEnabled": true,
// "periodicPaymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "primaryColor": "#7d39ff",
// "requiresCredentialStorage": false,
// "requiresCustomerIpAddress": false,
// "sandbox": true,
// "secondaryColor": "#3DF2C2",
// "sharedBrandName": null,
// "sharedBrandReference": null,
// "status": "beta"
// },
// "id": "2d3d70a4-cb3c-477c-97e1-cbe495b82841",
// "links": {
// "self": "https://api.ibanity.com/xs2a/financial-institutions/2d3d70a4-cb3c-477c-97e1-cbe495b82841"
// },
// "type": "financialInstitution"
// },
// {
// "attributes": {
// "authorizationModels": [
// "detailed",
// "financialInstitutionOffered"
// ],
// "bic": "NBBEBEBB203",
// "bulkPaymentsEnabled": true,
// "bulkPaymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "country": null,
// "financialInstitutionCustomerReferenceRequired": false,
// "futureDatedPaymentsAllowed": true,
// "logoUrl": "https://s3.eu-central-1.amazonaws.com/ibanity-production-financial-institution-assets/sandbox.png",
// "maintenanceFrom": null,
// "maintenanceTo": null,
// "maintenanceType": null,
// "maxRequestedAccountReferences": null,
// "minRequestedAccountReferences": 0,
// "name": "XYZ Trust",
// "paymentsEnabled": true,
// "paymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "periodicPaymentsEnabled": true,
// "periodicPaymentsProductTypes": [
// "sepaCreditTransfer"
// ],
// "primaryColor": "#7d39ff",
// "requiresCredentialStorage": false,
// "requiresCustomerIpAddress": false,
// "sandbox": true,
// "secondaryColor": "#3DF2C2",
// "sharedBrandName": null,
// "sharedBrandReference": null,
// "status": "beta"
// },
// "id": "d4100f28-936b-4379-a3f8-86314a2014fb",
// "links": {
// "self": "https://api.ibanity.com/xs2a/financial-institutions/d4100f28-936b-4379-a3f8-86314a2014fb"
// },
// "type": "financialInstitution"
// }
// ],
// "links": {
// "first": "https://api.ibanity.com/xs2a/financial-institutions"
// },
// "meta": {
// "paging": {
// "limit": 10
// }
// }
// }
// 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.
linksFirst = CkJsonObjectW_stringOf(jResp,L"links.first");
metaPagingLimit = CkJsonObjectW_IntOf(jResp,L"meta.paging.limit");
i = 0;
count_i = CkJsonObjectW_SizeOfArray(jResp,L"data");
while (i < count_i) {
CkJsonObjectW_putI(jResp,i);
attributesBic = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.bic");
attributesBulkPaymentsEnabled = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.bulkPaymentsEnabled");
attributesCountry = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.country");
attributesFinancialInstitutionCustomerReferenceRequired = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.financialInstitutionCustomerReferenceRequired");
attributesFutureDatedPaymentsAllowed = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.futureDatedPaymentsAllowed");
attributesLogoUrl = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.logoUrl");
attributesMaintenanceFrom = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.maintenanceFrom");
attributesMaintenanceTo = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.maintenanceTo");
attributesMaintenanceType = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.maintenanceType");
attributesMaxRequestedAccountReferences = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.maxRequestedAccountReferences");
attributesMinRequestedAccountReferences = CkJsonObjectW_IntOf(jResp,L"data[i].attributes.minRequestedAccountReferences");
attributesName = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.name");
attributesPaymentsEnabled = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.paymentsEnabled");
attributesPeriodicPaymentsEnabled = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.periodicPaymentsEnabled");
attributesPrimaryColor = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.primaryColor");
attributesRequiresCredentialStorage = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.requiresCredentialStorage");
attributesRequiresCustomerIpAddress = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.requiresCustomerIpAddress");
attributesSandbox = CkJsonObjectW_BoolOf(jResp,L"data[i].attributes.sandbox");
attributesSecondaryColor = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.secondaryColor");
attributesSharedBrandName = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.sharedBrandName");
attributesSharedBrandReference = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.sharedBrandReference");
attributesStatus = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.status");
id = CkJsonObjectW_stringOf(jResp,L"data[i].id");
linksSelf = CkJsonObjectW_stringOf(jResp,L"data[i].links.self");
v_type = CkJsonObjectW_stringOf(jResp,L"data[i].type");
j = 0;
count_j = CkJsonObjectW_SizeOfArray(jResp,L"data[i].attributes.authorizationModels");
while (j < count_j) {
CkJsonObjectW_putJ(jResp,j);
strVal = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.authorizationModels[j]");
j = j + 1;
}
j = 0;
count_j = CkJsonObjectW_SizeOfArray(jResp,L"data[i].attributes.bulkPaymentsProductTypes");
while (j < count_j) {
CkJsonObjectW_putJ(jResp,j);
strVal = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.bulkPaymentsProductTypes[j]");
j = j + 1;
}
j = 0;
count_j = CkJsonObjectW_SizeOfArray(jResp,L"data[i].attributes.paymentsProductTypes");
while (j < count_j) {
CkJsonObjectW_putJ(jResp,j);
strVal = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.paymentsProductTypes[j]");
j = j + 1;
}
j = 0;
count_j = CkJsonObjectW_SizeOfArray(jResp,L"data[i].attributes.periodicPaymentsProductTypes");
while (j < count_j) {
CkJsonObjectW_putJ(jResp,j);
strVal = CkJsonObjectW_stringOf(jResp,L"data[i].attributes.periodicPaymentsProductTypes[j]");
j = j + 1;
}
i = i + 1;
}
CkCertW_Dispose(cert);
CkDateTimeW_Dispose(dtNow);
CkCrypt2W_Dispose(crypt2);
CkStringBuilderW_Dispose(sbDigestHdrValue);
CkStringBuilderW_Dispose(sbSigningString);
CkPrivateKeyW_Dispose(privKey);
CkRsaW_Dispose(rsa);
CkStringBuilderW_Dispose(sbSigHeaderValue);
CkHttpW_Dispose(http);
CkStringBuilderW_Dispose(sbResponseBody);
CkJsonObjectW_Dispose(jResp);
}