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Query Azure Service Management with an Azure AD Member Account to report on tenants the AAD User is federated to as a B2B Guest User. Associated blogpost https://blog.darrenjrobinson.com/azure-ad-user-account-federation-report
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Import-Module MSAL.PS | |
Import-Module AzureADTenantID | |
# Use the Azure PowerShell Well-Known Client ID | |
$clientID = "1950a258-227b-4e31-a9cf-717495945fc2" | |
# Get UserUPN | |
$userUPN = Read-Host -Prompt "Please enter Azure AD User UPN" | |
$tenantName = $userUPN.Split("@")[1] | |
$tenantID = Get-AzureADTenantId -domain $tenantName | |
$scopes = "https://management.azure.com/user_impersonation" | |
# Interactive Flow | |
$clientApplication = Get-MsalClientApplication -ClientId $clientID -Authority "https://login.microsoftonline.com/$($tenantID)/" -ErrorAction SilentlyContinue | |
$msalCacheObj = $null | |
$msalCacheObj = $clientApplication | Get-MsalAccount -Username $userUPN -ErrorAction SilentlyContinue | |
if ($msalCacheObj) { | |
if ($msalCacheObj.Username -eq $userUPN) { | |
# new login for tokens | |
$myAccessToken = Get-MsalToken -ClientId $clientID -silent -TenantId $tenantId -Scopes $scopes -LoginHint $userUPN -RedirectUri "http://localhost" -Authority "https://login.microsoftonline.com/$($tenantID)/" -ForceRefresh | |
} | |
} | |
else { | |
# new login for tokens | |
$myAccessToken = Get-MsalToken -Interactive -ClientId $clientID -TenantId $tenantID -LoginHint $userUPN -Scopes $scopes -RedirectUri "http://localhost" -Authority "https://login.microsoftonline.com/$($tenantID)/" | |
} | |
$myFederatedTenants = $null | |
$myFederatedTenants = (Invoke-RestMethod -Headers @{Authorization = "Bearer $($myAccessToken.AccessToken)" } ` | |
-Uri "https://management.azure.com/tenants?api-version=2020-01-01 " ` | |
-Method Get).value | |
$federationTemplate = [pscustomobject][ordered]@{ | |
defaultDomain = $null | |
customRegisteredDomains = $null | |
} | |
$outputResult = @() | |
foreach ($fedTenant in $myFederatedTenants) { | |
$fedDetails = $federationTemplate.PsObject.Copy() | |
$fedDetails.defaultDomain = $fedTenant.defaultDomain | |
$fedDetails.customRegisteredDomains = $fedTenant.domains | |
$outputResult += $fedDetails | |
} | |
$outputResult |
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