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(PowerShell) RSAP Union API - Get OAuth2 Access Token

Demonstrates how to get an OAuth2 access token for the RSAP Union API. Note: This uses the client credentials flow, which does NOT require an interactive engagement using a browser.

For more information, see https://app.swaggerhub.com/apis-docs/pderas/RSAP/2.0.1#/Authentication/getOauthToken

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Chilkat for Mono

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$http = New-Object Chilkat.Http

# The following JSON is sent in the request body.

# {
#   "grant_type": "client_credentials",
#   "client_id": 1234,
#   "client_secret": "23456abcde"
# }

$json = New-Object Chilkat.JsonObject
$json.UpdateString("grant_type","client_credentials")
$json.UpdateInt("client_id",1234)
$json.UpdateString("client_secret","23456abcde")

$http.SetRequestHeader("Content-type","application/json")

# Add the client certificate TLS authentication.
$cert = New-Object Chilkat.Cert
$success = $cert.LoadFromFile("qa_data/certs_and_keys/union_client_certificate.crt")
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

$privKey = New-Object Chilkat.PrivateKey
$success = $privKey.LoadAnyFormatFile("qa_data/certs_and_keys/union_client_certificate.nopass.key","")
if ($success -eq $false) {
    $($privKey.LastErrorText)
    exit
}

# Associate the private key with the cert.
# This will fail if the private key is not actually the correct one that corresponds to the public key stored within the cert.
$success = $cert.SetPrivateKey($privKey)
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

# Tell HTTP to use the cert for client TLS certificate authentication.
$success = $http.SetSslClientCert($cert)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

$resp = $http.PostJson3("https://api-test.rsap.ca/oauth/token","application/json",$json)
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

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

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

$respStatusCode = $resp.StatusCode
$("Response Status Code = " + $respStatusCode)
if ($respStatusCode -ge 400) {
    $("Response Header:")
    $($resp.Header)
    $("Failed.")

    exit
}

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "token_type": "Bearer",
#   "expires_in": 3600,
#   "access_token": "eyJ0eXAi...LnE"
# }

# This token expires in 1 hour.  Your application could re-use the same token for up to an hour,
# or it can simply get a new access token before each request (if you're not doing too many requests).
$success = $jResp.WriteFile("qa_data/tokens/rsapToken.json")

 

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