How to obtain an OIDC access token using Powershell

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SecureAuth IdP Version Affected:  All

 

Description: 

How to obtain an OIDC access token using Powershell

 

Cause

 

N/A

 

Resolution

Change the value for $Url, username, password, cliient_id and secret to suit.

$Url = "https://IdP_FQDN/secureauth123/oidctoken.aspx"
$Body = @{
username = "user1"
password = "Pa$$w0rd1"
grant_type="password"
scope="openid offline_access"
client_id="6e05242ca1564374b556c0edb9439bc1"
client_secret="2072ce54d2af30bf04833ce598383357ca572a53fe4282cbab5cbaf51964bd45"
}

$response = ''
$idToken = ''
$paddedIdToken = ''
$results = ''

$response = Invoke-RestMethod -Method Post -Uri $url -Body $body -UseDefaultCredentials
$idToken = ($response.id_token.Split(".")[1] -replace "-", "+" -replace "_", "/")
$paddedIdToken = $idToken.PadRight($idToken.Length + (4 - $idToken.Length % 4) % 4,"=")

$results = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($paddedIdToken)) | ConvertFrom-Json

 

For more information and examples using Postman see this article:

https://support.secureauth.com/hc/en-us/articles/360019647072-How-to-use-Oidctoken-aspx-with-Postman

 

 

 

SecureAuth Knowledge Base Articles provide information based on specific use cases and may not apply to all appliances or configurations. Be advised that these instructions could cause harm to the environment if not followed correctly or if they do not apply to the current use case.

Customers are responsible for their own due diligence prior to utilizing this information and agree that SecureAuth is not liable for any issues caused by misconfiguration directly or indirectly related to SecureAuth products.

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