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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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Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$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 = New-Object Chilkat.Cert
$success = $cert.LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password")
if ($success -eq $false) {
    $($cert.LastErrorText)
    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 = New-Object Chilkat.CkDateTime
$dtNow.SetFromCurrentSystemTime()
$created = $dtNow.GetAsUnixTimeStr($false)

$crypt2 = New-Object Chilkat.Crypt2
$crypt2.HashAlgorithm = "sha512"
$crypt2.EncodingMode = "base64"

$sbDigestHdrValue = New-Object Chilkat.StringBuilder
$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(""))

$("Generated Digest")
$($sbDigestHdrValue.GetAsString())

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

$sbSigningString = New-Object Chilkat.StringBuilder
$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.

$("Signing String:")
$($sbSigningString.GetAsString())

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

$privKey = New-Object Chilkat.PrivateKey
$success = $privKey.LoadEncryptedPemFile("my_ibanity_signature_private_key.pem","pem_password")
if ($success -eq $false) {
    $($privKey.LastErrorText)
    exit
}

$rsa = New-Object Chilkat.Rsa
$rsa.PssSaltLen = 32
$rsa.EncodingMode = "base64"
# Use the RSASSA-PSS signature algorithm
$rsa.PkcsPadding = $false

$success = $rsa.UsePrivateKey($privKey)
if ($success -eq $false) {
    $($rsa.LastErrorText)
    exit
}

# Sign the signing string.
$sigBase64 = $rsa.SignStringENC($sbSigningString.GetAsString(),"sha-256")
if ($rsa.LastMethodSuccess -eq $false) {
    $($rsa.LastErrorText)
    exit
}

$("Signature:")
$($sigBase64)

# Build the signature header value.
$sbSigHeaderValue = New-Object Chilkat.StringBuilder
$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 = New-Object Chilkat.Http

$success = $http.SetSslClientCert($cert)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

$http.SetRequestHeader("Signature",$sbSigHeaderValue.GetAsString())
$http.SetRequestHeader("Digest",$sbDigestHdrValue.GetAsString())

$sbResponseBody = New-Object Chilkat.StringBuilder
$success = $http.QuickGetSb("https://api.ibanity.com/xs2a/financial-institutions",$sbResponseBody)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

$jResp = New-Object Chilkat.JsonObject
$jResp.LoadSb($sbResponseBody)
$jResp.EmitCompact = $false

$("Response Body:")
$($jResp.Emit())

$respStatusCode = $http.LastStatus
$("Response Status Code = " + $respStatusCode)
if ($respStatusCode -ge 400) {
    $("Response Header:")
    $($http.LastHeader)
    $("Failed.")
    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 -lt $count_i) {
    $jResp.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 -lt $count_j) {
        $jResp.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 -lt $count_j) {
        $jResp.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 -lt $count_j) {
        $jResp.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 -lt $count_j) {
        $jResp.J = $j
        $strVal = $jResp.StringOf("data[i].attributes.periodicPaymentsProductTypes[j]")
        $j = $j + 1
    }

    $i = $i + 1
}