DSCResources/MSFT_TeamsFederationConfiguration/MSFT_TeamsFederationConfiguration.psm1

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

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

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

        [Parameter()]
        [System.Boolean]
        $AllowFederatedUsers,

        [Parameter()]
        [System.Boolean]
        $AllowPublicUsers,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumer,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumerInbound,

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

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

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

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

    Write-Verbose -Message "Getting configuration of Teams Federation"

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftTeams' `
        -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

    try
    {
        $config = Get-CsTenantFederationConfiguration -ErrorAction Stop

        $AllowedDomainsArray = $config.AllowedDomains.AllowedDomain.Domain
        $AllowedDomainsValues = @()

        if ($AllowedDomainsArray.Length -gt 0)
        {
            foreach ($domain in $AllowedDomainsArray)
            {
                $AllowedDomainsValues += $domain
            }
        }

        $BlockedDomainsArray = $config.BlockedDomains.Domain
        $BlockedDomainsValues = @()

        if ($BlockedDomainsArray.Length -gt 0)
        {
            foreach ($domain in $BlockedDomainsArray)
            {
                $BlockedDomainsValues += $domain
            }
        }

        return @{
            Identity                  = $Identity
            AllowedDomains            = $AllowedDomainsValues
            BlockedDomains            = $BlockedDomainsValues
            AllowFederatedUsers       = $config.AllowFederatedUsers
            AllowPublicUsers          = $config.AllowPublicUsers
            AllowTeamsConsumer        = $config.AllowTeamsConsumer
            AllowTeamsConsumerInbound = $config.AllowTeamsConsumerInbound
            Credential                = $Credential
            ApplicationId             = $ApplicationId
            TenantId                  = $TenantId
            CertificateThumbprint     = $CertificateThumbprint
        }
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            if (-not [System.String]::IsNullOrEmpty($TenantId))
            {
                $tenantIdValue = $TenantId
            }
            elseif ($null -ne $Credential)
            {
                $tenantIdValue = $Credential.UserName.Split('@')[1]
            }
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        throw $_
    }
}

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

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

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

        [Parameter()]
        [System.Boolean]
        $AllowFederatedUsers,

        [Parameter()]
        [System.Boolean]
        $AllowPublicUsers,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumer,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumerInbound,

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

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

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

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

    Write-Verbose -Message "Setting configuration of Teams Federation"

    #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 'MicrosoftTeams' `
        -InboundParameters $PSBoundParameters

    $SetParams = $PSBoundParameters
    $SetParams.Remove("Credential") | Out-Null
    $SetParams.Remove("ApplicationId") | Out-Null
    $SetParams.Remove("TenantId") | Out-Null
    $SetParams.Remove("CertificateThumbprint") | Out-Null

    $SetParams.Remove("AllowedDomains") | Out-Null
    $SetParams.Add("AllowedDomainsAsAList", $AllowedDomains)

    Write-Verbose -Message "SetParams: $(Convert-M365DscHashtableToString -Hashtable $SetParams)"
    Set-CsTenantFederationConfiguration @SetParams
}

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

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

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

        [Parameter()]
        [System.Boolean]
        $AllowFederatedUsers,

        [Parameter()]
        [System.Boolean]
        $AllowPublicUsers,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumer,

        [Parameter()]
        [System.Boolean]
        $AllowTeamsConsumerInbound,

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

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

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

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )
    #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 configuration of Teams Federation"

    $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
    )

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftTeams' `
        -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

    try
    {
        $dscContent = ''
        $params = @{
            Identity              = "Global"
            Credential            = $Credential
            ApplicationId         = $ApplicationId
            TenantId              = $TenantId
            CertificateThumbprint = $CertificateThumbprint
        }
        $Results = Get-TargetResource @Params
        $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
            -Results $Results
        $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
            -ConnectionMode $ConnectionMode `
            -ModulePath $PSScriptRoot `
            -Results $Results `
            -Credential $Credential
        $dscContent += $currentDSCBlock
        Save-M365DSCPartialExport -Content $currentDSCBlock `
            -FileName $Global:PartialExportFileName
        Write-Host $Global:M365DSCEmojiGreenCheckMark
        return $dscContent
    }
    catch
    {
        Write-Host $Global:M365DSCEmojiRedX
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            if (-not [System.String]::IsNullOrEmpty($TenantId))
            {
                $tenantIdValue = $TenantId
            }
            elseif ($null -ne $Credential)
            {
                $tenantIdValue = $Credential.UserName.Split('@')[1]
            }
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return ""
    }
}

Export-ModuleMember -Function *-TargetResource