DSCResources/MSFT_EXOManagementRoleEntry/MSFT_EXOManagementRoleEntry.psm1

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String[]]
        $Parameters,

        [Parameter()]
        [ValidateSet('Cmdlet', 'Script', 'ApplicationPermission', 'WebService')]
        [System.String]
        $Type,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [System.String]
        $CertificatePath,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $CertificatePassword,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    try
    {
        if (-not $Script:exportedInstance -or $Script:exportedInstance.Identity -ne $Identity)
        {
            Write-Verbose -Message "Getting Management Role Entry configuration for {$Identity}"
            $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' `
                -InboundParameters $PSBoundParameters

            #Ensure the proper dependencies are installed in the current environment.
            Confirm-M365DSCDependencies

            #region Telemetry
            $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', ''
            $CommandName = $MyInvocation.MyCommand
            $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
                -CommandName $CommandName `
                -Parameters $PSBoundParameters
            Add-M365DSCTelemetryEvent -Data $data
            #endregion

            $roleEntry = Get-ManagementRoleEntry -Identity $Identity -ResultSize 'Unlimited' -ErrorAction SilentlyContinue

            if ($null -eq $roleEntry)
            {
                Write-Verbose -Message "Management Role Entry {$Identity} does not exist."
                $nullReturn = $PSBoundParameters
                $nullReturn.Ensure = 'Absent'
                return $nullReturn
            }
        }
        else
        {
            $roleEntry = $Script:exportedInstance
        }

        $result = @{
            Identity              = $Identity
            Parameters            = $roleEntry.Parameters
            Type                  = $roleEntry.Type
            Ensure                = 'Present'
            Credential            = $Credential
            ApplicationId         = $ApplicationId
            TenantId              = $TenantId
            CertificateThumbprint = $CertificateThumbprint
            CertificatePath       = $CertificatePath
            CertificatePassword   = $CertificatePassword
            ManagedIdentity       = $ManagedIdentity
            AccessTokens          = $AccessTokens
        }

        Write-Verbose -Message "Found Management Role Entry {$Identity}."
        return $result
    }
    catch
    {
        New-M365DSCLogEntry -Message 'Error retrieving data:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        throw $_
    }
}

function Set-TargetResource
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String[]]
        $Parameters,

        [Parameter()]
        [ValidateSet('Cmdlet', 'Script', 'ApplicationPermission', 'WebService')]
        [System.String]
        $Type,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [System.String]
        $CertificatePath,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $CertificatePassword,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    Write-Verbose -Message "Setting Management Role Entry configuration for {$Identity}"

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', ''
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' `
        -InboundParameters $PSBoundParameters

    $currentValues = Get-TargetResource @PSBoundParameters

    if ($currentValues.Ensure -eq 'Absent' -and $Ensure -eq 'Present')
    {
        Write-Verbose -Message "Creating new Management Role Entry {$Identity}"
        $params = @{
            Identity = $Identity
        }

        if ($null -ne $Parameters -and $Parameters.Length -gt 0)
        {
            $params.Add('Parameters', $Parameters)
        }

        if (-not [System.String]::IsNullOrEmpty($Type))
        {
            $params.Add('Type', $Type)
        }

        Add-ManagementRoleEntry @params
    }
    elseif ($currentValues.Ensure -eq 'Present' -and $Ensure -eq 'Present')
    {
        Write-Verbose -Message "Updating Management Role Entry {$Identity}"
        $paramDifference = Compare-Object -ReferenceObject $currentValues.Parameters -DifferenceObject $Parameters

        $paramsToAdd = $paramDifference | Where-Object -FilterScript { $_.SideIndicator -eq '=>' }
        $paramsToAddEntries = @()
        foreach ($diff in $paramsToAdd)
        {
            $paramsToAddEntries += $diff.InputObject.ToString()
        }
        if ($paramsToAddEntries.Count -gt 0)
        {
            Write-Verbose -Message "Adding the following parameters to {$Identity}: $($paramsToAddEntries -join ',')"
            Set-ManagementRoleEntry -Identity $Identity -AddParameter -Parameters $paramsToAddEntries
        }

        $paramsToRemove = $paramDifference | Where-Object -FilterScript { $_.SideIndicator -eq '<=' }
        $paramsToRemoveEntries = @()
        foreach ($diff in $paramsToRemove)
        {
            $paramsToRemoveEntries += $diff.InputObject.ToString()
        }
        if ($paramsToRemoveEntries.Count -gt 0)
        {
            Write-Verbose -Message "Removing the following parameters to {$Identity}: $($paramsToRemoveEntries -join ',')"
            Set-ManagementRoleEntry -Identity $Identity -RemoveParameter -Parameters $paramsToRemoveEntries
        }
    }
    elseif ($currentValues.Ensure -eq 'Present' -and $Ensure -eq 'Absent')
    {
        Write-Verbose -Message "Removing Management Role Entry {$Identity}"
        Remove-ManagementRoleEntry -Identity $Identity -Confirm:$false
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String[]]
        $Parameters,

        [Parameter()]
        [ValidateSet('Cmdlet', 'Script', 'ApplicationPermission', 'WebService')]
        [System.String]
        $Type,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [System.String]
        $CertificatePath,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $CertificatePassword,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )
    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', ''
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    Write-Verbose -Message "Testing Management Role Entry for {$Identity}"

    $CurrentValues = Get-TargetResource @PSBoundParameters

    Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
    Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)"

    $ValuesToCheck = $PSBoundParameters

    $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues `
        -Source $($MyInvocation.MyCommand.Source) `
        -DesiredValues $PSBoundParameters `
        -ValuesToCheck $ValuesToCheck.Keys

    Write-Verbose -Message "Test-TargetResource returned $TestResult"

    return $TestResult
}

function Export-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [System.String]
        $CertificatePath,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $CertificatePassword,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )
    $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' `
        -InboundParameters $PSBoundParameters `
        -SkipModuleReload $true

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', ''
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    try
    {
        $Script:ExportMode = $true
        [array] $Script:exportedInstances = Get-ManagementRoleEntry -Identity '*\*' -ResultSize 'Unlimited'

        $dscContent = [System.Text.StringBuilder]::New()

        if ($Script:exportedInstances.Length -eq 0)
        {
            Write-M365DSCHost -Message $Global:M365DSCEmojiGreenCheckMark -CommitWrite
        }
        else
        {
            Write-M365DSCHost -Message "`r`n" -DeferWrite
        }
        $i = 1
        foreach ($roleEntry in $Script:exportedInstances)
        {
            if ($null -ne $Global:M365DSCExportResourceInstancesCount)
            {
                $Global:M365DSCExportResourceInstancesCount++
            }

            Write-M365DSCHost -Message " |---[$i/$($Script:exportedInstances.Count)] $($roleEntry.Identity + '\' + $roleEntry.Name)" -DeferWrite

            $Params = @{
                Identity              = $roleEntry.Identity + '\' + $roleEntry.Name
                Credential            = $Credential
                ApplicationId         = $ApplicationId
                TenantId              = $TenantId
                CertificateThumbprint = $CertificateThumbprint
                CertificatePassword   = $CertificatePassword
                Managedidentity       = $ManagedIdentity.IsPresent
                CertificatePath       = $CertificatePath
                AccessTokens          = $AccessTokens
            }
            $Script:exportedInstance = $roleEntry
            $Results = Get-TargetResource @Params
            $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
                -ConnectionMode $ConnectionMode `
                -ModulePath $PSScriptRoot `
                -Results $Results `
                -Credential $Credential
            $dscContent.Append($currentDSCBlock) | Out-Null
            Save-M365DSCPartialExport -Content $currentDSCBlock `
                -FileName $Global:PartialExportFileName
            Write-M365DSCHost -Message $Global:M365DSCEmojiGreenCheckMark -CommitWrite
            $i++
        }
        return $dscContent.ToString()
    }
    catch
    {
        Write-M365DSCHost -Message $Global:M365DSCEmojiRedX -CommitWrite

        New-M365DSCLogEntry -Message 'Error during Export:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return ''
    }
}

Export-ModuleMember -Function *-TargetResource