DSCResources/MSFT_SPDesignerSettings/MSFT_SPDesignerSettings.psm1

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

        [Parameter(Mandatory = $true)]
        [ValidateSet("WebApplication","SiteCollection")]
        [System.String]
        $SettingsScope,

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

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

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

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

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

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

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

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $InstallAccount
    )

    Write-Verbose -Message "Getting SharePoint Designer configuration settings"

    switch ($SettingsScope)
    {
        "WebApplication" {
            $result = Invoke-SPDSCCommand -Credential $InstallAccount `
                                          -Arguments $PSBoundParameters `
                                          -ScriptBlock {
                $params = $args[0]
                try
                {
                    $spFarm = Get-SPFarm
                }
                catch
                {
                    Write-Verbose -Message ("No local SharePoint farm was detected. " + `
                                            "SharePoint Designer settings will not be applied")
                    return $null
                }

                # Check if web application exists
                $webapp = Get-SPWebApplication | Where-Object -FilterScript {
                    ($_.Url).StartsWith($params.WebAppUrl, "CurrentCultureIgnoreCase")
                }
                if ($null -eq $webapp)
                {
                    Write-Verbose -Message ("Web application not found. SharePoint Designer " + `
                                            "settings will not be applied")
                    return $null
                }
                else
                {
                    # Get SPD settings for the web application
                    $spdSettings = Get-SPDesignerSettings $params.WebAppUrl

                    return @{
                        # Set the SPD settings
                        WebAppUrl = $params.WebAppUrl
                        SettingsScope = $params.SettingsScope
                        AllowSharePointDesigner = $spdSettings.AllowDesigner
                        AllowDetachPagesFromDefinition = $spdSettings.AllowRevertFromTemplate
                        AllowCustomiseMasterPage = $spdSettings.AllowMasterPageEditing
                        AllowManageSiteURLStructure = $spdSettings.ShowURLStructure
                        AllowCreateDeclarativeWorkflow = `
                            $spdSettings.AllowCreateDeclarativeWorkflow
                        AllowSavePublishDeclarativeWorkflow = `
                            $spdSettings.AllowSavePublishDeclarativeWorkflow
                        AllowSaveDeclarativeWorkflowAsTemplate = `
                            $spdSettings.AllowSaveDeclarativeWorkflowAsTemplate
                        InstallAccount = $params.InstallAccount
                    }
                }
            }
        }
        "SiteCollection" {
            if ((Test-SPDSCRunAsCredential -Credential $InstallAccount) -eq $true)
            {
                $result = Invoke-SPDSCCommand -Credential $InstallAccount `
                                              -Arguments $PSBoundParameters `
                                              -ScriptBlock {
                    $params = $args[0]

                    try
                    {
                        $spFarm = Get-SPFarm
                    }
                    catch
                    {
                        Write-Verbose -Message ("No local SharePoint farm was detected. " + `
                                                "SharePoint Designer settings will not be applied")
                        return $null
                    }

                    # Check if site collections exists
                    $site = Get-SPSite -Identity $params.WebAppUrl -ErrorAction SilentlyContinue
                    if ($null -eq $site)
                    {
                        Write-Verbose -Message ("Site collection not found. SharePoint " + `
                                                "Designer settings will not be applied")
                        return $null
                    }
                    else
                    {
                        return @{
                            # Set the SPD settings
                            WebAppUrl = $params.WebAppUrl
                            SettingsScope = $params.SettingsScope
                            AllowSharePointDesigner = $site.AllowDesigner
                            AllowDetachPagesFromDefinition = $site.AllowRevertFromTemplate
                            AllowCustomiseMasterPage = $site.AllowMasterPageEditing
                            AllowManageSiteURLStructure = $site.ShowURLStructure
                            AllowCreateDeclarativeWorkflow = $site.AllowCreateDeclarativeWorkflow
                            AllowSavePublishDeclarativeWorkflow = `
                                $site.AllowSavePublishDeclarativeWorkflow
                            AllowSaveDeclarativeWorkflowAsTemplate = `
                                $site.AllowSaveDeclarativeWorkflowAsTemplate
                            InstallAccount = $params.InstallAccount
                        }
                    }
                }
            }
            else
            {
                throw ("A known issue exists that prevents these settings from being managed " + `
                       "when InstallAccount is used instead of PsDscRunAsAccount. See " + `
                       "http://aka.ms/xSharePointRemoteIssues for details.")
            }
        }
    }
    return $result
}


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

        [Parameter(Mandatory = $true)]
        [ValidateSet("WebApplication","SiteCollection")]
        [System.String]
        $SettingsScope,

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

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

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

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

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

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

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

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $InstallAccount
    )

    Write-Verbose -Message "Setting SharePoint Designer configuration settings"

    switch ($SettingsScope)
    {
        "WebApplication" {
            Invoke-SPDSCCommand -Credential $InstallAccount `
                                -Arguments $PSBoundParameters `
                                -ScriptBlock {
                $params = $args[0]

                try
                {
                    $spFarm = Get-SPFarm
                }
                catch
                {
                    throw ("No local SharePoint farm was detected. SharePoint " + `
                           "Designer settings will not be applied")
                    return
                }

                Write-Verbose -Message "Start update SPD web application settings"

                # Check if web application exists
                $webapp = Get-SPWebApplication | Where-Object -FilterScript {
                    ($_.Url).StartsWith($params.WebAppUrl, "CurrentCultureIgnoreCase")
                }
                if ($null -eq $webapp)
                {
                    throw ("Web application not found. SharePoint Designer settings " + `
                           "will not be applied")
                    return
                }
                else
                {
                    # Set the SharePoint Designer settings
                    if ($params.ContainsKey("AllowSharePointDesigner"))
                    {
                        $webapp.AllowDesigner = $params.AllowSharePointDesigner
                    }
                    if ($params.ContainsKey("AllowDetachPagesFromDefinition"))
                    {
                        $webapp.AllowRevertFromTemplate = $params.AllowDetachPagesFromDefinition
                    }
                    if ($params.ContainsKey("AllowCustomiseMasterPage"))
                    {
                        $webapp.AllowMasterPageEditing = $params.AllowCustomiseMasterPage
                    }
                    if ($params.ContainsKey("AllowManageSiteURLStructure"))
                    {
                        $webapp.ShowURLStructure = $params.AllowManageSiteURLStructure
                    }
                    if ($params.ContainsKey("AllowCreateDeclarativeWorkflow"))
                    {
                        $webapp.AllowCreateDeclarativeWorkflow = `
                            $params.AllowCreateDeclarativeWorkflow
                    }
                    if ($params.ContainsKey("AllowSavePublishDeclarativeWorkflow"))
                    {
                        $webapp.AllowSavePublishDeclarativeWorkflow = `
                            $params.AllowSavePublishDeclarativeWorkflow
                    }
                    if ($params.ContainsKey("AllowSaveDeclarativeWorkflowAsTemplate"))
                    {
                        $webapp.AllowSaveDeclarativeWorkflowAsTemplate = `
                            $params.AllowSaveDeclarativeWorkflowAsTemplate
                    }
                    $webapp.Update()
                }
            }
        }
        "SiteCollection" {
            if ((Test-SPDSCRunAsCredential -Credential $InstallAccount) -eq $true)
            {
                Invoke-SPDSCCommand -Credential $InstallAccount `
                                    -Arguments $PSBoundParameters `
                                    -ScriptBlock {
                    $params = $args[0]

                    try
                    {
                        $spFarm = Get-SPFarm
                    }
                    catch
                    {
                        throw ("No local SharePoint farm was detected. SharePoint Designer " + `
                               "settings will not be applied")
                        return
                    }

                    Write-Verbose -Message "Start update SPD site collection settings"

                    # Check if site collection exists
                    $site = Get-SPSite -Identity $params.WebAppUrl -ErrorAction SilentlyContinue
                    if ($null -eq $site)
                    {
                        throw ("Site collection not found. SharePoint Designer settings " + `
                               "will not be applied")
                        return $null
                    }
                    else
                    {
                        # Set the SharePoint Designer settings
                        if ($params.ContainsKey("AllowSharePointDesigner"))
                        {
                            $site.AllowDesigner = $params.AllowSharePointDesigner
                        }
                        if ($params.ContainsKey("AllowDetachPagesFromDefinition"))
                        {
                            $site.AllowRevertFromTemplate = $params.AllowDetachPagesFromDefinition
                        }
                        if ($params.ContainsKey("AllowCustomiseMasterPage"))
                        {
                            $site.AllowMasterPageEditing = $params.AllowCustomiseMasterPage
                        }
                        if ($params.ContainsKey("AllowManageSiteURLStructure"))
                        {
                            $site.ShowURLStructure = $params.AllowManageSiteURLStructure
                        }
                        if ($params.ContainsKey("AllowCreateDeclarativeWorkflow"))
                        {
                            $site.AllowCreateDeclarativeWorkflow = `
                                $params.AllowCreateDeclarativeWorkflow
                        }
                        if ($params.ContainsKey("AllowSavePublishDeclarativeWorkflow"))
                        {
                            $site.AllowSavePublishDeclarativeWorkflow = `
                                $params.AllowSavePublishDeclarativeWorkflow
                        }
                        if ($params.ContainsKey("AllowSaveDeclarativeWorkflowAsTemplate"))
                        {
                            $site.AllowSaveDeclarativeWorkflowAsTemplate = `
                            $params.AllowSaveDeclarativeWorkflowAsTemplate
                        }
                    }
                }
            }
            else
            {
                throw ("A known issue exists that prevents these settings from being " + `
                       "managed when InstallAccount is used instead of PsDscRunAsAccount. " + `
                       "See http://aka.ms/xSharePointRemoteIssues for details.")
            }
        }
    }
}


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

        [Parameter(Mandatory = $true)]
        [ValidateSet("WebApplication","SiteCollection")]
        [System.String]
        $SettingsScope,

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

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

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

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

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

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

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

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $InstallAccount
    )

    Write-Verbose -Message "Testing SharePoint Designer configuration settings"

    $CurrentValues = Get-TargetResource @PSBoundParameters

    if ($null -eq $CurrentValues)
    {
        return $false
    }

    return Test-SPDscParameterState -CurrentValues $CurrentValues `
                                    -DesiredValues $PSBoundParameters
}

Export-ModuleMember -Function *-TargetResource