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Perl

Ibanity XS2A List Financial Institutions

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Demonstrates how to send a request to get a list of financial institutions.

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Perl 
use chilkat();

$success = 0;

# 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 = chilkat::CkCert->new();
$success = $cert->LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password");
if ($success == 0) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

# 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 = chilkat::CkDateTime->new();
$dtNow->SetFromCurrentSystemTime();
$created = $dtNow->getAsUnixTimeStr(0);

$crypt2 = chilkat::CkCrypt2->new();
$crypt2->put_HashAlgorithm("sha512");
$crypt2->put_EncodingMode("base64");

$sbDigestHdrValue = chilkat::CkStringBuilder->new();
$sbDigestHdrValue->Append("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.
$sbDigestHdrValue->Append($crypt2->hashStringENC(""));

print "Generated Digest" . "\r\n";
print $sbDigestHdrValue->getAsString() . "\r\n";

$request_target = "get /xs2a/financial-institutions";

$sbSigningString = chilkat::CkStringBuilder->new();
$sbSigningString->Append("(request-target): ");
$sbSigningString->AppendLine($request_target,0);
$sbSigningString->Append("host: ");
$sbSigningString->AppendLine("api.ibanity.com",0);
$sbSigningString->Append("digest: ");
$sbSigningString->AppendLine($sbDigestHdrValue->getAsString(),0);
$sbSigningString->Append("(created): ");
$sbSigningString->Append($created);
# ibanity-idempotency-key is not used with GET requests.

print "Signing String:" . "\r\n";
print $sbSigningString->getAsString() . "\r\n";

$signed_headers_list = "(request-target) host digest (created)";

$privKey = chilkat::CkPrivateKey->new();
$success = $privKey->LoadEncryptedPemFile("my_ibanity_signature_private_key.pem","pem_password");
if ($success == 0) {
    print $privKey->lastErrorText() . "\r\n";
    exit;
}

$rsa = chilkat::CkRsa->new();
$rsa->put_PssSaltLen(32);
$rsa->put_EncodingMode("base64");
# Use the RSASSA-PSS signature algorithm
$rsa->put_PkcsPadding(0);

$success = $rsa->UsePrivateKey($privKey);
if ($success == 0) {
    print $rsa->lastErrorText() . "\r\n";
    exit;
}

# Sign the signing string.
$sigBase64 = $rsa->signStringENC($sbSigningString->getAsString(),"sha-256");
if ($rsa->get_LastMethodSuccess() == 0) {
    print $rsa->lastErrorText() . "\r\n";
    exit;
}

print "Signature:" . "\r\n";
print $sigBase64 . "\r\n";

# Build the signature header value.
$sbSigHeaderValue = chilkat::CkStringBuilder->new();
$sbSigHeaderValue->Append("keyId=\"");
# Use your identifier for the application's signature certificate, obtained from the Developer Portal
$sbSigHeaderValue->Append("a0ce296d-84c8-4bd5-8eb4-de0339950cfa");
$sbSigHeaderValue->Append("\",created=");
$sbSigHeaderValue->Append($created);
$sbSigHeaderValue->Append(",algorithm=\"hs2019\",headers=\"");
$sbSigHeaderValue->Append($signed_headers_list);
$sbSigHeaderValue->Append("\",signature=\"");
$sbSigHeaderValue->Append($sigBase64);
$sbSigHeaderValue->Append("\"");

# Send the GET request..
$http = chilkat::CkHttp->new();

$success = $http->SetSslClientCert($cert);
if ($success == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

$http->SetRequestHeader("Signature",$sbSigHeaderValue->getAsString());
$http->SetRequestHeader("Digest",$sbDigestHdrValue->getAsString());

$sbResponseBody = chilkat::CkStringBuilder->new();
$success = $http->QuickGetSb("https://api.ibanity.com/xs2a/financial-institutions",$sbResponseBody);
if ($success == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

$jResp = chilkat::CkJsonObject->new();
$jResp->LoadSb($sbResponseBody);
$jResp->put_EmitCompact(0);

print "Response Body:" . "\r\n";
print $jResp->emit() . "\r\n";

$respStatusCode = $http->get_LastStatus();
print "Response Status Code = " . $respStatusCode . "\r\n";
if ($respStatusCode >= 400) {
    print "Response Header:" . "\r\n";
    print $http->lastHeader() . "\r\n";
    print "Failed." . "\r\n";
    exit;
}

# 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

$linksFirst = $jResp->stringOf("links.first");
$metaPagingLimit = $jResp->IntOf("meta.paging.limit");
$i = 0;
$count_i = $jResp->SizeOfArray("data");
while ($i < $count_i) {
    $jResp->put_I($i);
    $attributesBic = $jResp->stringOf("data[i].attributes.bic");
    $attributesBulkPaymentsEnabled = $jResp->BoolOf("data[i].attributes.bulkPaymentsEnabled");
    $attributesCountry = $jResp->stringOf("data[i].attributes.country");
    $attributesFinancialInstitutionCustomerReferenceRequired = $jResp->BoolOf("data[i].attributes.financialInstitutionCustomerReferenceRequired");
    $attributesFutureDatedPaymentsAllowed = $jResp->BoolOf("data[i].attributes.futureDatedPaymentsAllowed");
    $attributesLogoUrl = $jResp->stringOf("data[i].attributes.logoUrl");
    $attributesMaintenanceFrom = $jResp->stringOf("data[i].attributes.maintenanceFrom");
    $attributesMaintenanceTo = $jResp->stringOf("data[i].attributes.maintenanceTo");
    $attributesMaintenanceType = $jResp->stringOf("data[i].attributes.maintenanceType");
    $attributesMaxRequestedAccountReferences = $jResp->stringOf("data[i].attributes.maxRequestedAccountReferences");
    $attributesMinRequestedAccountReferences = $jResp->IntOf("data[i].attributes.minRequestedAccountReferences");
    $attributesName = $jResp->stringOf("data[i].attributes.name");
    $attributesPaymentsEnabled = $jResp->BoolOf("data[i].attributes.paymentsEnabled");
    $attributesPeriodicPaymentsEnabled = $jResp->BoolOf("data[i].attributes.periodicPaymentsEnabled");
    $attributesPrimaryColor = $jResp->stringOf("data[i].attributes.primaryColor");
    $attributesRequiresCredentialStorage = $jResp->BoolOf("data[i].attributes.requiresCredentialStorage");
    $attributesRequiresCustomerIpAddress = $jResp->BoolOf("data[i].attributes.requiresCustomerIpAddress");
    $attributesSandbox = $jResp->BoolOf("data[i].attributes.sandbox");
    $attributesSecondaryColor = $jResp->stringOf("data[i].attributes.secondaryColor");
    $attributesSharedBrandName = $jResp->stringOf("data[i].attributes.sharedBrandName");
    $attributesSharedBrandReference = $jResp->stringOf("data[i].attributes.sharedBrandReference");
    $attributesStatus = $jResp->stringOf("data[i].attributes.status");
    $id = $jResp->stringOf("data[i].id");
    $linksSelf = $jResp->stringOf("data[i].links.self");
    $v_type = $jResp->stringOf("data[i].type");
    $j = 0;
    $count_j = $jResp->SizeOfArray("data[i].attributes.authorizationModels");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $strVal = $jResp->stringOf("data[i].attributes.authorizationModels[j]");
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $jResp->SizeOfArray("data[i].attributes.bulkPaymentsProductTypes");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $strVal = $jResp->stringOf("data[i].attributes.bulkPaymentsProductTypes[j]");
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $jResp->SizeOfArray("data[i].attributes.paymentsProductTypes");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $strVal = $jResp->stringOf("data[i].attributes.paymentsProductTypes[j]");
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $jResp->SizeOfArray("data[i].attributes.periodicPaymentsProductTypes");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $strVal = $jResp->stringOf("data[i].attributes.periodicPaymentsProductTypes[j]");
        $j = $j + 1;
    }

    $i = $i + 1;
}