DSCResources/MSFT_TeamsClientConfiguration/MSFT_TeamsClientConfiguration.psm1

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

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

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

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

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

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

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

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

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

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

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

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

        [Parameter()]
        [System.String]
        [ValidateSet('NotRequired', 'RequiredOutsideScheduleMeeting', 'AlwaysRequired')]
        $ContentPin = 'RequiredOutsideScheduledMeeting',

        [Parameter()]
        [System.String]
        [ValidateSet('NoAccess', 'PartialAccess', 'FullAccess')]
        $ResourceAccountContentAccess,

        [Parameter()]
        [System.String[]]
        $RestrictedSenderList = $null,

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

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

    $ConnectionMode = New-M365DSCConnection -Platform 'MicrosoftTeams' `
        -InboundParameters $PSBoundParameters

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "")
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $ResourceName)
    $data.Add("Method", $MyInvocation.MyCommand)
    $data.Add("Principal", $GlobalAdminAccount.UserName)
    $data.Add("TenantId", $TenantId)
    $data.Add("ConnectionMode", $ConnectionMode)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    try
    {
        $config = Get-CsTeamsClientConfiguration -ErrorAction Stop

        $result = @{
            Identity                         = $config.Identity
            AllowBox                         = $config.AllowBox
            AllowDropBox                     = $config.AllowDropBox
            AllowEgnyte                      = $config.AllowEgnyte
            AllowEmailIntoChannel            = $config.AllowEmailIntoChannel
            AllowGoogleDrive                 = $config.AllowGoogleDrive
            AllowGuestUser                   = $config.AllowGuestUser
            AllowOrganizationTab             = $config.AllowOrganizationTab
            AllowResourceAccountSendMessage  = $config.AllowResourceAccountSendMessage
            AllowScopedPeopleSearchandAccess = $config.AllowScopedPeopleSearchandAccess
            AllowShareFile                   = $config.AllowShareFile
            AllowSkypeBusinessInterop        = $config.AllowSkypeBusinessInterop
            ContentPin                       = $config.ContentPin
            ResourceAccountContentAccess     = $config.ResourceAccountContentAccess
            RestrictedSenderList             = $config.RestrictedSenderList
            GlobalAdminAccount               = $GlobalAdminAccount
        }
        if ([System.String]::IsNullOrEmpty($RestrictedSenderList))
        {
            $result.Remove("RestrictedSenderList") | Out-Null
        }
        return $result
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            if (-not [System.String]::IsNullOrEmpty($TenantId))
            {
                $tenantIdValue = $TenantId
            }
            elseif ($null -ne $GlobalAdminAccount)
            {
                $tenantIdValue = $GlobalAdminAccount.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.Boolean]
        $AllowBox,

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

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

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

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

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

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

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

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

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

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

        [Parameter()]
        [System.String]
        [ValidateSet('NotRequired', 'RequiredOutsideScheduleMeeting', 'AlwaysRequired')]
        $ContentPin = 'RequiredOutsideScheduledMeeting',

        [Parameter()]
        [System.String]
        [ValidateSet('NoAccess', 'PartialAccess', 'FullAccess')]
        $ResourceAccountContentAccess,

        [Parameter()]
        [System.String[]]
        $RestrictedSenderList = $null,

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

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

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "")
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $ResourceName)
    $data.Add("Method", $MyInvocation.MyCommand)
    $data.Add("Principal", $GlobalAdminAccount.UserName)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $ConnectionMode = New-M365DSCConnection -Platform 'MicrosoftTeams' `
        -InboundParameters $PSBoundParameters

    $SetParams = $PSBoundParameters
    $SetParams.Remove("GlobalAdminAccount")

    if ([System.String]::IsNullOrEmpty($RestrictedSenderList))
    {
        $SetParams.Remove("RestrictedSenderList") | Out-Null
    }
    else
    {
        $tempValue = $null
        foreach ($sender in $SetParams.RestrictedSenderList)
        {
            $tempValue += $sender + ","
        }
        $tempValue = $tempValue.Substring(0, $tempValue.Length - 1)
        $SetParams.RestrictedSenderList = $tempValue
    }
    Set-CsTeamsClientConfiguration @SetParams
}

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

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

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

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

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

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

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

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

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

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

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

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

        [Parameter()]
        [System.String]
        [ValidateSet('NotRequired', 'RequiredOutsideScheduleMeeting', 'AlwaysRequired')]
        $ContentPin = 'RequiredOutsideScheduledMeeting',

        [Parameter()]
        [System.String]
        [ValidateSet('NoAccess', 'PartialAccess', 'FullAccess')]
        $ResourceAccountContentAccess,

        [Parameter()]
        [System.String[]]
        $RestrictedSenderList = $null,

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )
    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "")
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $ResourceName)
    $data.Add("Method", $MyInvocation.MyCommand)
    $data.Add("Principal", $GlobalAdminAccount.UserName)
    $data.Add("TenantId", $TenantId)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    Write-Verbose -Message "Testing configuration of Teams Client"

    $CurrentValues = Get-TargetResource @PSBoundParameters

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

    $ValuesToCheck = $PSBoundParameters
    $ValuesToCheck.Remove('GlobalAdminAccount') | Out-Null

    if ([System.String]::IsNullOrEmpty($RestrictedSenderList))
    {
        $ValuesToCheck.Remove("RestrictedSenderList") | Out-Null
    }
    $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(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

    $ConnectionMode = New-M365DSCConnection -Platform 'MicrosoftTeams' `
        -InboundParameters $PSBoundParameters

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "")
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $ResourceName)
    $data.Add("Method", $MyInvocation.MyCommand)
    $data.Add("Principal", $GlobalAdminAccount.UserName)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    try
    {
        $dscContent = ''
        $params = @{
            Identity           = "Global"
            GlobalAdminAccount = $GlobalAdminAccount
        }
        $Results = Get-TargetResource @Params
        $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
            -Results $Results
        $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
            -ConnectionMode $ConnectionMode `
            -ModulePath $PSScriptRoot `
            -Results $Results `
            -GlobalAdminAccount $GlobalAdminAccount
        $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 $GlobalAdminAccount)
            {
                $tenantIdValue = $GlobalAdminAccount.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