DSCResources/MSFT_SPOTenantSettings/MSFT_SPOTenantSettings.psm1

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param (

        [Parameter(Mandatory = $true)]
        [ValidateSet('Yes')]
        [String]
        $IsSingleInstance,

        [Parameter()]
        [System.UInt32]
        $MinCompatibilityLevel,

        [Parameter()]
        [System.UInt32]
        $MaxCompatibilityLevel,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Write-Verbose -Message "Getting configuration for SPO Tenant"
    #region Telemetry
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $MyInvocation.MyCommand.ModuleName)
    $data.Add("Method", $MyInvocation.MyCommand)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    Test-MSCloudLogin -CloudCredential $GlobalAdminAccount `
        -Platform PnP

    $nullReturn = @{
        IsSingleInstance                              = 'Yes'
        MinCompatibilityLevel                         = $null
        MaxCompatibilityLevel                         = $null
        SearchResolveExactEmailOrUPN                  = $null
        OfficeClientADALDisabled                      = $null
        LegacyAuthProtocolsEnabled                    = $null
        RequireAcceptingAccountMatchInvitedAccount    = $null
        SignInAccelerationDomain                      = $null
        UsePersistentCookiesForExplorerView           = $null
        UserVoiceForFeedbackEnabled                   = $null
        PublicCdnEnabled                              = $null
        PublicCdnAllowedFileTypes                     = $null
        UseFindPeopleInPeoplePicker                   = $null
        NotificationsInSharePointEnabled              = $null
        OwnerAnonymousNotification                    = $null
        ApplyAppEnforcedRestrictionsToAdHocRecipients = $null
        FilePickerExternalImageSearchEnabled          = $null
        HideDefaultThemes                             = $null
        GlobalAdminAccount                            = $null
    }

    try
    {
        $SPOTenantSettings = Get-PNPTenant

        $CompatibilityRange = $SPOTenantSettings.CompatibilityRange.Split(',')
        $MinCompat = $null
        $MaxCompat = $null
        if ($CompatibilityRange.Length -eq 2)
        {
            $MinCompat = $CompatibilityRange[0]
            $MaxCompat = $CompatibilityRange[1]
        }

        return @{
            IsSingleInstance                              = 'Yes'
            MinCompatibilityLevel                         = $MinCompat
            MaxCompatibilityLevel                         = $MaxCompat
            SearchResolveExactEmailOrUPN                  = $SPOTenantSettings.SearchResolveExactEmailOrUPN
            OfficeClientADALDisabled                      = $SPOTenantSettings.OfficeClientADALDisabled
            LegacyAuthProtocolsEnabled                    = $SPOTenantSettings.LegacyAuthProtocolsEnabled
            RequireAcceptingAccountMatchInvitedAccount    = $SPOTenantSettings.RequireAcceptingAccountMatchInvitedAccount
            SignInAccelerationDomain                      = $SPOTenantSettings.SignInAccelerationDomain
            UsePersistentCookiesForExplorerView           = $SPOTenantSettings.UsePersistentCookiesForExplorerView
            UserVoiceForFeedbackEnabled                   = $SPOTenantSettings.UserVoiceForFeedbackEnabled
            PublicCdnEnabled                              = $SPOTenantSettings.PublicCdnEnabled
            PublicCdnAllowedFileTypes                     = $SPOTenantSettings.PublicCdnAllowedFileTypes
            UseFindPeopleInPeoplePicker                   = $SPOTenantSettings.UseFindPeopleInPeoplePicker
            NotificationsInSharePointEnabled              = $SPOTenantSettings.NotificationsInSharePointEnabled
            OwnerAnonymousNotification                    = $SPOTenantSettings.OwnerAnonymousNotification
            ApplyAppEnforcedRestrictionsToAdHocRecipients = $SPOTenantSettings.ApplyAppEnforcedRestrictionsToAdHocRecipients
            FilePickerExternalImageSearchEnabled          = $SPOTenantSettings.FilePickerExternalImageSearchEnabled
            HideDefaultThemes                             = $SPOTenantSettings.HideDefaultThemes
            GlobalAdminAccount                            = $GlobalAdminAccount
        }
    }
    catch
    {
        if ($error[0].Exception.Message -like "No connection available")
        {
            Write-Verbose -Message "Make sure that you are connected to your SPOService"
        }
        return $nullReturn
    }
}

function Set-TargetResource
{
    [CmdletBinding()]
    param (

        [Parameter(Mandatory = $true)]
        [ValidateSet('Yes')]
        [String]
        $IsSingleInstance,

        [Parameter()]
        [System.UInt32]
        $MinCompatibilityLevel,

        [Parameter()]
        [System.UInt32]
        $MaxCompatibilityLevel,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Write-Verbose -Message "Setting configuration for SPO Tenant"
    #region Telemetry
    $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new()
    $data.Add("Resource", $MyInvocation.MyCommand.ModuleName)
    $data.Add("Method", $MyInvocation.MyCommand)
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    Test-MSCloudLogin -CloudCredential $GlobalAdminAccount `
        -Platform PnP

    $CurrentParameters = $PSBoundParameters
    $CurrentParameters.Remove("GlobalAdminAccount")
    $CurrentParameters.Remove("IsSingleInstance")

    if ($PublicCdnEnabled -eq $false)
    {
        Write-Verbose -Message "The use of the public CDN is not enabled, for that the PublicCdnAllowedFileTypes parameter can not be configured and will be removed"
        $CurrentParameters.Remove("PublicCdnAllowedFileTypes")
    }
    $tenant = Set-PnPTenant @CurrentParameters
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param (

        [Parameter(Mandatory = $true)]
        [ValidateSet('Yes')]
        [String]
        $IsSingleInstance,

        [Parameter()]
        [System.UInt32]
        $MinCompatibilityLevel,

        [Parameter()]
        [System.UInt32]
        $MaxCompatibilityLevel,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Write-Verbose -Message "Testing configuration for SPO Tenant"
    $CurrentValues = Get-TargetResource @PSBoundParameters

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

    $TestResult = Test-Microsoft365DSCParameterState -CurrentValues $CurrentValues `
        -Source $($MyInvocation.MyCommand.Source) `
        -DesiredValues $PSBoundParameters `
        -ValuesToCheck @("IsSingleInstance", `
            "GlobalAdminAccount", `
            "MaxCompatibilityLevel", `
            "SearchResolveExactEmailOrUPN", `
            "OfficeClientADALDisabled", `
            "LegacyAuthProtocolsEnabled", `
            "RequireAcceptingAccountMatchInvitedAccount", `
            "SignInAccelerationDomain", `
            "UsePersistentCookiesForExplorerView", `
            "UserVoiceForFeedbackEnabled", `
            "PublicCdnEnabled", `
            "PublicCdnAllowedFileTypes", `
            "UseFindPeopleInPeoplePicker", `
            "NotificationsInSharePointEnabled", `
            "OwnerAnonymousNotification", `
            "ApplyAppEnforcedRestrictionsToAdHocRecipients", `
            "FilePickerExternalImageSearchEnabled", `
            "HideDefaultThemes")

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

    $params = @{
        IsSingleInstance   = 'Yes'
        GlobalAdminAccount = $GlobalAdminAccount
    }
    $result = Get-TargetResource @params
    if ($null -eq $result.MaxCompatibilityLevel)
    {
        $result.Remove("MaxCompatibilityLevel")
    }
    if ($null -eq $result.MinCompatibilityLevel)
    {
        $result.Remove("MinCompatibilityLevel")
    }

    $result.GlobalAdminAccount = Resolve-Credentials -UserName "globaladmin"
    $content = " SPOTenantSettings " + (New-GUID).ToString() + "`r`n"
    $content += " {`r`n"
    $currentDSCBlock = Get-DSCBlock -Params $result -ModulePath $PSScriptRoot
    $content += Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "GlobalAdminAccount"
    $content += " }`r`n"
    return $content
}

Export-ModuleMember -Function *-TargetResource