private/graph/Get-ZtRoleMember.ps1

<#
.Synopsis
Returns all the members of a role.

.Description
The role can be either active or eligible, defaults to getting members that are both active and eligible.

.Example
Get-ZtRoleMember -Role GlobalAdministrator

Returns all the Global administrators and includes both Eligible and Active members.

.Example
Get-ZtRoleMember -Role GlobalAdministrator -MemberStatus Active

Returns all the Global administrators that are currently active and excludes those that are eligible but not yet active.

.Example
Get-ZtRoleMember -Role GlobalAdministrator -MemberStatus Active

Returns all the Global administrators that are currently active and excludes those that are eligible but not yet active.

.EXAMPLE
Get-ZtRoleMember -Role GlobalAdministrator,PrivilegedRoleAdministrator

Returns all the Global administrators and Privileged Role administrators and includes both Eligible and Active members.

.Example
Get-ZtRoleMember -RoleId "00000000-0000-0000-0000-000000000000"

Returns all the members of the role with the specified RoleId and includes both Eligible and Active members.

.Example
Get-ZtRoleMember -RoleId "00000000-0000-0000-0000-000000000000" -MemberStatus Active

Returns all the currently active members of the role with the specified RoleId.

#>


function Get-ZtRoleMember {
    [CmdletBinding(DefaultParameterSetName = "RoleName")]
    param(
        # The name of the role to get members for.
        [Parameter(ParameterSetName = "RoleName", Position = 0, Mandatory = $true)]
        [ValidateSet('ApplicationAdministrator', 'ApplicationDeveloper', 'AttackPayloadAuthor', 'AttackSimulationAdministrator', 'AttributeAssignmentAdministrator', 'AttributeAssignmentReader', 'AttributeDefinitionAdministrator', 'AttributeDefinitionReader', 'AttributeLogAdministrator', 'AttributeLogReader', 'AuthenticationAdministrator', 'AuthenticationExtensibilityAdministrator', 'AuthenticationPolicyAdministrator', 'AzureADJoinedDeviceLocalAdministrator', 'AzureDevOpsAdministrator', 'AzureInformationProtectionAdministrator', 'B2CIEFKeysetAdministrator', 'B2CIEFPolicyAdministrator', 'BillingAdministrator', 'CloudAppSecurityAdministrator', 'CloudApplicationAdministrator', 'CloudDeviceAdministrator', 'ComplianceAdministrator', 'ComplianceDataAdministrator', 'ConditionalAccessAdministrator', 'CustomerLockBoxAccessApprover', 'DesktopAnalyticsAdministrator', 'DeviceJoin', 'DeviceManagers', 'DeviceUsers', 'DirectoryReaders', 'DirectorySynchronizationAccounts', 'DirectoryWriters', 'DomainNameAdministrator', 'Dynamics365Administrator', 'Dynamics365BusinessCentralAdministrator', 'EdgeAdministrator', 'ExchangeAdministrator', 'ExchangeRecipientAdministrator', 'ExtendedDirectoryUserAdministrator', 'ExternalIDUserFlowAdministrator', 'ExternalIDUserFlowAttributeAdministrator', 'ExternalIdentityProviderAdministrator', 'FabricAdministrator', 'GlobalAdministrator', 'GlobalReader', 'GlobalSecureAccessAdministrator', 'GroupsAdministrator', 'GuestInviter', 'GuestUser', 'HelpdeskAdministrator', 'HybridIdentityAdministrator', 'IdentityGovernanceAdministrator', 'InsightsAdministrator', 'InsightsAnalyst', 'InsightsBusinessLeader', 'IntuneAdministrator', 'KaizalaAdministrator', 'KnowledgeAdministrator', 'KnowledgeManager', 'LicenseAdministrator', 'LifecycleWorkflowsAdministrator', 'MessageCenterPrivacyReader', 'MessageCenterReader', 'Microsoft365MigrationAdministrator', 'MicrosoftHardwareWarrantyAdministrator', 'MicrosoftHardwareWarrantySpecialist', 'NetworkAdministrator', 'OfficeAppsAdministrator', 'OnPremisesDirectorySyncAccount', 'OrganizationalBrandingAdministrator', 'OrganizationalMessagesApprover', 'OrganizationalMessagesWriter', 'PartnerTier1Support', 'PartnerTier2Support', 'PasswordAdministrator', 'PermissionsManagementAdministrator', 'PowerPlatformAdministrator', 'PrinterAdministrator', 'PrinterTechnician', 'PrivilegedAuthenticationAdministrator', 'PrivilegedRoleAdministrator', 'ReportsReader', 'RestrictedGuestUser', 'SearchAdministrator', 'SearchEditor', 'SecurityAdministrator', 'SecurityOperator', 'SecurityReader', 'ServiceSupportAdministrator', 'SharePointAdministrator', 'SharePointEmbeddedAdministrator', 'SkypeforBusinessAdministrator', 'TeamsAdministrator', 'TeamsCommunicationsAdministrator', 'TeamsCommunicationsSupportEngineer', 'TeamsCommunicationsSupportSpecialist', 'TeamsDevicesAdministrator', 'TeamsTelephonyAdministrator', 'TenantCreator', 'UsageSummaryReportsReader', 'User', 'UserAdministrator', 'UserExperienceSuccessManager', 'VirtualVisitsAdministrator', 'VivaGoalsAdministrator', 'VivaPulseAdministrator', 'Windows365Administrator', 'WindowsUpdateDeploymentAdministrator', 'WorkplaceDeviceJoin', 'YammerAdministrator')]
        [string[]]$Role,

        # The ID of the role to get members for.
        [Parameter(ParameterSetName = "RoleId", Position = 0, Mandatory = $true)]
        [guid[]]$RoleId,

        # The type of members to look for. Default is both Eligible and Active.
        [ValidateSet('Eligible', 'Active', 'EligibleAndActive')]
        [string]$MemberStatus
    )

    function Get-UsersInRole {
        [CmdletBinding()]
        param(
            [string]$Uri,
            [string]$RoleId,
            [string]$Filter,
            [ValidateSet('Eligible', 'Active')]
            [string]$RoleAssignmentType)

        if ($Filter) {
            $Filter = "roleDefinitionId eq '$directoryRoleId' and $Filter"
        }
        else {
            $Filter = "roleDefinitionId eq '$directoryRoleId'"
        }

        $params = @{
            ApiVersion      = "v1.0"
            RelativeUri     = $Uri
            Filter          = $Filter
            QueryParameters = @{
                expand = "principal"
            }
        }

        $dirAssignments = Invoke-ZtGraphRequest @params

        $assignments = @()
        if ($dirAssignments.id.Count -eq 0) {
            Write-PSFMessage "No role assignments found" -Level Debug
            return $assignments
        }
        $assignments += @($dirAssignments.principal)

        $groups = $assignments | Where-Object { $_.'@odata.type' -eq "#microsoft.graph.group" }
        $groups | ForEach-Object {
            #5/10/2024 - Entra ID Role Enabled Security Groups do not currently support nesting
            $assignments += Get-ZtGroupMember -groupId $_.id
        }

        # Append the type of assignment
        $assignments | ForEach-Object {
            $_ | Add-Member -MemberType NoteProperty -Name "AssignmentType" -Value $RoleAssignmentType -Force
        }
        return $assignments
    }

    if (-not $MemberStatus -or $MemberStatus -eq "EligibleAndActive") {
        $Eligible = $Active = $true
    }
    elseif ($MemberStatus -eq "Eligible") {
        $Eligible = $true
    }
    elseif ($MemberStatus -eq "Active") {
        $Active = $true
    }

    if ($Role) {
        $RoleId = $Role | ForEach-Object { (Get-ZtRoleInfo -RoleName $_) }
    }

    $pim = Get-ZtLicense EntraIDP2

    foreach ($directoryRoleId in $RoleId) {
        $assignments = @()
        if ($Active) {
            if ($pim) {
                $uri = 'roleManagement/directory/roleAssignmentScheduleInstances'
                # assignmentType eq 'Assigned' filters out eligible users that have temporarily activated the role
                $assignments += Get-UsersInRole -Uri $uri -RoleId $directoryRoleId -RoleAssignmentType Active -Filter "assignmentType eq 'Assigned'"
            }
            else {
                #Free or P1 tenant (PIM APIs cannot be called on non-P2 tenants)
                $uri = 'roleManagement/directory/roleAssignments'
                $assignments += Get-UsersInRole -Uri $uri -RoleId $directoryRoleId -RoleAssignmentType Active
            }
        }
        if ($pim -and $Eligible) { # Only call if tenant is a P2
            $uri = 'roleManagement/directory/roleEligibilityScheduleInstances'
            $assignments += Get-UsersInRole -Uri $uri -RoleId $directoryRoleId -RoleAssignmentType Eligible
        }

        $assignments | Sort-Object id -Unique
    }
}