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(Mono C#) Rabobank GET /v3/accountsDemonstrates a call to a Rabobank API. Specifically this makes a call to the "Accounts AIS sb" API to deliver all the consented payments accounts for a specific Rabobank customer. (This includes source code to for signing requests for PSD2 APIs) For more information, see https://developer-sandbox.rabobank.nl/reference/accounts-ais-sb/3-0-8
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Http http = new Chilkat.Http(); bool success; // Implements the following CURL command: // curl --request GET \ // --url https://api-sandbox.rabobank.nl/openapi/sandbox/payments/account-information/ais/v3/accounts \ // --header 'accept: application/json' \ // --header 'authorization: Bearer REPLACE_BEARER_TOKEN' \ // --header 'date: REPLACE_THIS_VALUE' \ // --header 'digest: REPLACE_THIS_VALUE' \ // --header 'psu-ip-address: OPTIONAL' \ // --header 'signature: REPLACE_THIS_VALUE' \ // --header 'tpp-signature-certificate: MIIDkDCCAnigA ... cwE6gUl0rMA==' \ // --header 'x-ibm-client-id: Client ID' \ // --header 'x-request-id: REPLACE_THIS_VALUE' // Load the previously fetched OAuth2 access token. Chilkat.JsonObject jsonToken = new Chilkat.JsonObject(); success = jsonToken.LoadFile("qa_data/tokens/rabobank.json"); if (success == false) { Debug.WriteLine(jsonToken.LastErrorText); return; } // This adds the "authorization: Bearer REPLACE_BEARER_TOKEN" header. http.AuthToken = jsonToken.StringOf("access_token"); // This is the TTP Signature certificate: The certificate used for signing the request. Chilkat.StringBuilder sbTppCert = new Chilkat.StringBuilder(); sbTppCert.Append("MIIDkDCCAnigAwIBAgIEWs3AJDANBgkqhkiG9w0BAQsFADCBiTELMAkGA1UEBhMC"); sbTppCert.Append("TkwxEDAOBgNVBAgMB1V0cmVjaHQxEDAOBgNVBAcMB1V0cmVjaHQxETAPBgNVBAoM"); sbTppCert.Append("CFJhYm9iYW5rMRwwGgYDVQQLDBNPbmxpbmUgVHJhbnNhY3Rpb25zMSUwIwYDVQQD"); sbTppCert.Append("DBxQU0QyIEFQSSBQSSBTZXJ2aWNlcyBTYW5kYm94MB4XDTE4MDQxMTA3NTgyOFoX"); sbTppCert.Append("DTIzMDQxMTA3NTgyOFowgYkxCzAJBgNVBAYTAk5MMRAwDgYDVQQIDAdVdHJlY2h0"); sbTppCert.Append("MRAwDgYDVQQHDAdVdHJlY2h0MREwDwYDVQQKDAhSYWJvYmFuazEcMBoGA1UECwwT"); sbTppCert.Append("T25saW5lIFRyYW5zYWN0aW9uczElMCMGA1UEAwwcUFNEMiBBUEkgUEkgU2Vydmlj"); sbTppCert.Append("ZXMgU2FuZGJveDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANoAjqGW"); sbTppCert.Append("UgCIm2F+0sBSEwLal+T3u+uldLikpxHCB8iL1GD7FrRjcA+MVsxhvHly7vRsHK+t"); sbTppCert.Append("QyMSaeK782RHpY33qxPLc8LmoQLb2EuiQxXj9POYkYBQ74qkrZnvKVlR3WoyQWeD"); sbTppCert.Append("OXnSY2wbNFfkP8ET4ElwyuIIEriwYhab0OIrnnrO8X82/SPZxHwEd3aQjQ6uhiw8"); sbTppCert.Append("paDspJbS5WjEfuwY16KVVUYlhbtAwGjvc6aK0NBm+LH9fMLpAE6gfGZNy0gzMDor"); sbTppCert.Append("VNbkQK1IoAGD8p9ZHdB0F3FwkILEjUiQW6nK+/fKDNJ0TBbpgZUpY8bR460qzxKd"); sbTppCert.Append("eZ1yPDqX2Cjh6fkCAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAYL4iD6noMJAt63kD"); sbTppCert.Append("ED4RB2mII/lssvHhcxuDpOm3Ims9urubFWEpvV5TgIBAxy9PBinOdjhO1kGJJnYi"); sbTppCert.Append("7F1jv1qnZwTV1JhYbvxv3+vk0jaiu7Ew7G3ASlzruXyMhN6t6jk9MpaWGl5Uw1T+"); sbTppCert.Append("gNRUcWQRR44g3ahQRIS/UHkaV+vcpOa8j186/1X0ULHfbcVQk4LMmJeXqNs8sBAU"); sbTppCert.Append("dKU/c6ssvj8jfJ4SfrurcBhY5UBTOdQOXTPY85aU3iFloerx7Oi9EHewxInOrU5X"); sbTppCert.Append("zqqTz2AQPXezexVeAQxP27lzqCmYC7CFiam6QBr06VebkmnPLfs76n8CDc1cwE6g"); sbTppCert.Append("Ul0rMA=="); http.SetRequestHeader("tpp-signature-certificate",sbTppCert.GetAsString()); // ---------------------------------------------------------------- // We're not going to add the psu-ip-address header in this example. // ---------------------------------------------------------------- // X-Request-ID header... // Generate a UUID v4. Chilkat.Crypt2 crypt = new Chilkat.Crypt2(); string xRequestId = crypt.GenerateUuid(); http.SetRequestHeader("x-request-id",xRequestId); // ---------------------------------------------------------------- // Date header... Chilkat.CkDateTime dt = new Chilkat.CkDateTime(); dt.SetFromCurrentSystemTime(); string dateHdrVal = dt.GetAsRfc822(false); // The desire date/time format is the "RFC822" format. http.SetRequestHeader("Date",dateHdrVal); // ---------------------------------------------------------------- // Digest header... crypt.HashAlgorithm = "SHA256"; crypt.EncodingMode = "base64"; // A GET request has no HTTP request body. Therefore the payload is the empty string. string payload = ""; string payloadDigest = crypt.HashStringENC(payload); Chilkat.StringBuilder sbDigestHdrVal = new Chilkat.StringBuilder(); sbDigestHdrVal.Append("SHA-256="); sbDigestHdrVal.Append(payloadDigest); http.SetRequestHeader("digest",sbDigestHdrVal.GetAsString()); // ---------------------------------------------------------------- // The HTTP request needs to be signed for PSD2 API's... // Create the signing string (to use in signing the HTTP request). // See https://developer.rabobank.nl/signing-requests-psd2-apis // // For "account information" HTTP requests, we must use the following headers in the signing string. // date // digest // x-request-id Chilkat.StringBuilder sbStringToSign = new Chilkat.StringBuilder(); sbStringToSign.Append("date: "); sbStringToSign.AppendLine(dateHdrVal,false); sbStringToSign.Append("digest: "); sbStringToSign.AppendLine(sbDigestHdrVal.GetAsString(),false); sbStringToSign.Append("x-request-id: "); sbStringToSign.Append(xRequestId); // ---------------------------------------------------------------- // Sign with our private key... Chilkat.StringBuilder sbPrivKey = new Chilkat.StringBuilder(); sbPrivKey.Append("MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDaAI6hllIAiJth"); sbPrivKey.Append("ftLAUhMC2pfk97vrpXS4pKcRwgfIi9Rg+xa0Y3APjFbMYbx5cu70bByvrUMjEmni"); sbPrivKey.Append("u/NkR6WN96sTy3PC5qEC29hLokMV4/TzmJGAUO+KpK2Z7ylZUd1qMkFngzl50mNs"); sbPrivKey.Append("GzRX5D/BE+BJcMriCBK4sGIWm9DiK556zvF/Nv0j2cR8BHd2kI0OroYsPKWg7KSW"); sbPrivKey.Append("0uVoxH7sGNeilVVGJYW7QMBo73OmitDQZvix/XzC6QBOoHxmTctIMzA6K1TW5ECt"); sbPrivKey.Append("SKABg/KfWR3QdBdxcJCCxI1IkFupyvv3ygzSdEwW6YGVKWPG0eOtKs8SnXmdcjw6"); sbPrivKey.Append("l9go4en5AgMBAAECggEAB8nsTqalwGIhFw8mbXuhNUFlGuek/arYLD6pv28swwQH"); sbPrivKey.Append("7v0ZlxFUcCHF+iBl0PsDwZTZQ4ePtgGS6ehoLkWHCzb1lEv5E1YVG5qKNE2UUwRl"); sbPrivKey.Append("fIyPakO6AzyV/UF3uzq7C+/GuXGNTKZxKewg5yD/DCFvKoCOpxu9u36FyqP/hw0S"); sbPrivKey.Append("ADVlmp35/zoPDPZzu1j4FiCo0pJ9LwJcHxeJHopNAKDw9k6I4z/grskdgupsGzK2"); sbPrivKey.Append("BiGiQ/+wmmO68/6Xa6KWfpr1PQ6ODJHgzZsdGCVi6Ebaqlj6BbsYWxP6h3lrsGt+"); sbPrivKey.Append("LmHBaN2jCD6cDp+lihqFgnm8hfdv0lmbPilp71EDfwKBgQD6U8PBzZtN8yXm5WuS"); sbPrivKey.Append("NL+/8q5GjNmeTJBSo1gM6Y8vOT4QAE147LbVuVBDwyHPoSrNejePae6Q14PswjBy"); sbPrivKey.Append("T7B8DZ0OeQyGa3trrFg/ib7Vv4ZMvJqX9+WzBrzZsxTg7oCKHzmCR4vIRItKHH3z"); sbPrivKey.Append("Wnnhqlo8ic2AZ2O43cdJosbO1wKBgQDe8UODOLu0vnHohOKeUqF3w/ZOB2+83/js"); sbPrivKey.Append("YyUbSkzsGvHIwTjObuMUFTQvdMZ6IkIyJdfnDZIbvlBSD8tzL5iKFTNCK2nL1i4G"); sbPrivKey.Append("iFr0CYLaHAlhJ5GEbTrTMDoJeBPerZq83HPrSa/Wb0xO18QTWsoVQPFfPFbbcQyI"); sbPrivKey.Append("9ryJ2iIDrwKBgQC6kuAefG46ZPVk6K2KZUJdgDUgZC52a75NuW0RAqszmUiGiJM1"); sbPrivKey.Append("g8ip9tq6BqAWrprGV0c93shusBKlzf5p1LdHXqYmeVY6gbWVhPipMrNHgN5KJ3BZ"); sbPrivKey.Append("v+w1yNnMsErpcxne2HL2hPjMJTpj3GSLkm2xIlTrNhIyl9ydlr7IRUhENQKBgQCv"); sbPrivKey.Append("i6HxbXa/90WSJTCcIcxqla8X+dsOCf3jhJ3vQy4Wq5C+1wZ35fCAG8Ifq/+so9Uj"); sbPrivKey.Append("z5CVqqXlmpF8TFuSs2OVNuRJsg14J4nOMwgLKIIUZAcurQ10DN5I9Kx+UEK1EFXL"); sbPrivKey.Append("aHsORdNjMfgQDO2jn9WHrr9gkg6CdB2+qyoCEfS+mQKBgBW08lcy9V5RzRWb/v/j"); sbPrivKey.Append("xsc7ovmgAhCJhDeV7dPbx4HbFeoQJlbA8g1thdcFlcatSGyNDbvNE1GPSd4NhkpR"); sbPrivKey.Append("Y6Hfv53kdEzjVkEtU8lUdL7HNVJqX7bU7oZlfbYcwxWQ1Gg8C1oLIAyEt71slQtd"); sbPrivKey.Append("RiNYBRZTQe2F0wxbXnuUqLAw"); Chilkat.PrivateKey privKey = new Chilkat.PrivateKey(); success = privKey.LoadPem(sbPrivKey.GetAsString()); if (success == false) { Debug.WriteLine(privKey.LastErrorText); return; } Chilkat.Rsa rsa = new Chilkat.Rsa(); success = rsa.ImportPrivateKeyObj(privKey); if (success == false) { Debug.WriteLine(rsa.LastErrorText); return; } rsa.EncodingMode = "base64"; string b64Signature = rsa.SignStringENC(sbStringToSign.GetAsString(),"SHA256"); // ---------------------------------------------------------------- // Add the "signature" header. // // The signature header will look like this: // signature: keyId="1523433508",algorithm="rsa-sha512",headers="date digest x-request-id",signature="y5o7gKxmfA6AT6...blE1A9Q==" // // The keyId is the serial number of the certificate as defined in 'TPP-Signing-Certificate' header, the format should be Integer not hex. Chilkat.Cert cert = new Chilkat.Cert(); success = cert.SetFromEncoded(sbTppCert.GetAsString()); if (success == false) { Debug.WriteLine(cert.LastErrorText); return; } Chilkat.StringBuilder sbSigHdrVal = new Chilkat.StringBuilder(); sbSigHdrVal.Append("keyId=\""); sbSigHdrVal.Append(cert.SerialDecimal); sbSigHdrVal.Append("\","); sbSigHdrVal.Append("algorithm=\"rsa-sha256\","); sbSigHdrVal.Append("headers=\"date digest x-request-id\","); sbSigHdrVal.Append("signature=\""); sbSigHdrVal.Append(b64Signature); sbSigHdrVal.Append("\""); http.SetRequestHeader("signature",sbSigHdrVal.GetAsString()); // ---------------------------------------------------------------- // Add remaining headers... http.SetRequestHeader("x-ibm-client-id","YOUR_APP_CLIENT_ID"); http.SetRequestHeader("accept","application/json"); // ---------------------------------------------------------------- // Add our certificate and key for mutual TLS // (provide a registered X509 client certificate during TLS handhake) Chilkat.Cert tlsCert = new Chilkat.Cert(); success = tlsCert.LoadFromFile("qa_data/certs_and_keys/ING/example_client_tls.cer"); if (success == false) { Debug.WriteLine(tlsCert.LastErrorText); return; } Chilkat.BinData bdPrivKey = new Chilkat.BinData(); success = bdPrivKey.LoadFile("qa_data/certs_and_keys/ING/example_client_tls.key"); if (success == false) { Debug.WriteLine("Failed to load example_client_tls.key"); return; } // The OAuth 2.0 client_id for these certificates is e77d776b-90af-4684-bebc-521e5b2614dd. // Please note down this client_id since you will need it in the next steps to call the API. Chilkat.PrivateKey tlsPrivKey = new Chilkat.PrivateKey(); success = tlsPrivKey.LoadAnyFormat(bdPrivKey,""); if (success == false) { Debug.WriteLine(tlsPrivKey.LastErrorText); return; } // Associate the private key with the certificate. success = tlsCert.SetPrivateKey(tlsPrivKey); if (success == false) { Debug.WriteLine(tlsCert.LastErrorText); return; } success = http.SetSslClientCert(tlsCert); if (success == false) { Debug.WriteLine(http.LastErrorText); return; } // ---------------------------------------------------------------- // Finally, send the request... Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder(); success = http.QuickGetSb("https://api-sandbox.rabobank.nl/openapi/sandbox/payments/account-information/ais/v3/accounts",sbResponseBody); if (success == false) { Debug.WriteLine(http.LastErrorText); Debug.WriteLine(sbResponseBody.GetAsString()); return; } Chilkat.JsonObject jResp = new Chilkat.JsonObject(); jResp.LoadSb(sbResponseBody); jResp.EmitCompact = false; Debug.WriteLine("Response Body:"); Debug.WriteLine(jResp.Emit()); int respStatusCode = http.LastStatus; Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode)); if (respStatusCode >= 400) { Debug.WriteLine("Response Header:"); Debug.WriteLine(http.LastHeader); Debug.WriteLine("Failed."); return; } // Sample JSON response: // (Sample code for parsing the JSON response is shown below) // { // "accounts": [ // { // "_links": { // "account": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY", // "balances": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY/balances", // "transactions": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY/transactions" // }, // "currency": "EUR", // "iban": "NL05RABO0812836782", // "name": "Rosie Roy", // "resourceId": "dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY", // "status": "enabled" // } // ] // } // 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 v_linksAccount; string v_linksBalances; string v_linksTransactions; string currency; string iban; string name; string resourceId; string status; int i = 0; int count_i = jResp.SizeOfArray("accounts"); while (i < count_i) { jResp.I = i; v_linksAccount = jResp.StringOf("accounts[i]._links.account"); v_linksBalances = jResp.StringOf("accounts[i]._links.balances"); v_linksTransactions = jResp.StringOf("accounts[i]._links.transactions"); currency = jResp.StringOf("accounts[i].currency"); iban = jResp.StringOf("accounts[i].iban"); name = jResp.StringOf("accounts[i].name"); resourceId = jResp.StringOf("accounts[i].resourceId"); status = jResp.StringOf("accounts[i].status"); i = i + 1; } |
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