Android™
Android™
Ibanity XS2A List Financial Institutions
See more Ibanity Examples
Demonstrates how to send a request to get a list of financial institutions.Chilkat Android™ Downloads
// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;
import android.app.Activity;
import com.chilkatsoft.*;
import android.widget.TextView;
import android.os.Bundle;
public class SimpleActivity extends Activity {
private static final String TAG = "Chilkat";
// Called when the activity is first created.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
boolean 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.)
CkCert cert = new CkCert();
success = cert.LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password");
if (success == false) {
Log.i(TAG, cert.lastErrorText());
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.
CkDateTime dtNow = new CkDateTime();
dtNow.SetFromCurrentSystemTime();
String created = dtNow.getAsUnixTimeStr(false);
CkCrypt2 crypt2 = new CkCrypt2();
crypt2.put_HashAlgorithm("sha512");
crypt2.put_EncodingMode("base64");
CkStringBuilder sbDigestHdrValue = new CkStringBuilder();
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(""));
Log.i(TAG, "Generated Digest");
Log.i(TAG, sbDigestHdrValue.getAsString());
String request_target = "get /xs2a/financial-institutions";
CkStringBuilder sbSigningString = new CkStringBuilder();
sbSigningString.Append("(request-target): ");
sbSigningString.AppendLine(request_target,false);
sbSigningString.Append("host: ");
sbSigningString.AppendLine("api.ibanity.com",false);
sbSigningString.Append("digest: ");
sbSigningString.AppendLine(sbDigestHdrValue.getAsString(),false);
sbSigningString.Append("(created): ");
sbSigningString.Append(created);
// ibanity-idempotency-key is not used with GET requests.
Log.i(TAG, "Signing String:");
Log.i(TAG, sbSigningString.getAsString());
String signed_headers_list = "(request-target) host digest (created)";
CkPrivateKey privKey = new CkPrivateKey();
success = privKey.LoadEncryptedPemFile("my_ibanity_signature_private_key.pem","pem_password");
if (success == false) {
Log.i(TAG, privKey.lastErrorText());
return;
}
CkRsa rsa = new CkRsa();
rsa.put_PssSaltLen(32);
rsa.put_EncodingMode("base64");
// Use the RSASSA-PSS signature algorithm
rsa.put_PkcsPadding(false);
success = rsa.UsePrivateKey(privKey);
if (success == false) {
Log.i(TAG, rsa.lastErrorText());
return;
}
// Sign the signing string.
String sigBase64 = rsa.signStringENC(sbSigningString.getAsString(),"sha-256");
if (rsa.get_LastMethodSuccess() == false) {
Log.i(TAG, rsa.lastErrorText());
return;
}
Log.i(TAG, "Signature:");
Log.i(TAG, sigBase64);
// Build the signature header value.
CkStringBuilder sbSigHeaderValue = new CkStringBuilder();
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..
CkHttp http = new CkHttp();
success = http.SetSslClientCert(cert);
if (success == false) {
Log.i(TAG, http.lastErrorText());
return;
}
http.SetRequestHeader("Signature",sbSigHeaderValue.getAsString());
http.SetRequestHeader("Digest",sbDigestHdrValue.getAsString());
CkStringBuilder sbResponseBody = new CkStringBuilder();
success = http.QuickGetSb("https://api.ibanity.com/xs2a/financial-institutions",sbResponseBody);
if (success == false) {
Log.i(TAG, http.lastErrorText());
return;
}
CkJsonObject jResp = new CkJsonObject();
jResp.LoadSb(sbResponseBody);
jResp.put_EmitCompact(false);
Log.i(TAG, "Response Body:");
Log.i(TAG, jResp.emit());
int respStatusCode = http.get_LastStatus();
Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
if (respStatusCode >= 400) {
Log.i(TAG, "Response Header:");
Log.i(TAG, http.lastHeader());
Log.i(TAG, "Failed.");
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
String attributesBic;
boolean attributesBulkPaymentsEnabled;
String attributesCountry;
boolean attributesFinancialInstitutionCustomerReferenceRequired;
boolean attributesFutureDatedPaymentsAllowed;
String attributesLogoUrl;
String attributesMaintenanceFrom;
String attributesMaintenanceTo;
String attributesMaintenanceType;
String attributesMaxRequestedAccountReferences;
int attributesMinRequestedAccountReferences;
String attributesName;
boolean attributesPaymentsEnabled;
boolean attributesPeriodicPaymentsEnabled;
String attributesPrimaryColor;
boolean attributesRequiresCredentialStorage;
boolean attributesRequiresCustomerIpAddress;
boolean attributesSandbox;
String attributesSecondaryColor;
String attributesSharedBrandName;
String attributesSharedBrandReference;
String attributesStatus;
String id;
String linksSelf;
String v_type;
int j;
int count_j;
String strVal;
String linksFirst = jResp.stringOf("links.first");
int metaPagingLimit = jResp.IntOf("meta.paging.limit");
int i = 0;
int 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;
}
}
static {
System.loadLibrary("chilkat");
// Note: If the incorrect library name is passed to System.loadLibrary,
// then you will see the following error message at application startup:
//"The application <your-application-name> has stopped unexpectedly. Please try again."
}
}