DSCResources/MSFT_SPOPropertyBag/MSFT_SPOPropertyBag.psm1

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

        [Parameter(Mandatory = $true)]
        [System.String]
        $Key,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Value,

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

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

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

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

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

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

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

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

        [Parameter()]
        [Switch]
        $ManagedIdentity
    )

    Write-Verbose -Message "Getting configuration of SPOPropertyBag for $Key"
    Write-Verbose -Message 'Connecting to PnP from the Get method'

    $ConnectionMode = New-M365DSCConnection -Workload 'PnP' `
        -InboundParameters $PSBoundParameters `
        -Url $Url

    #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

    $nullReturn = $PSBoundParameters
    $nullReturn.Ensure = 'Absent'
    try
    {
        try
        {
            Write-Verbose -Message "Obtaining all properties from the Get method for url {$Url}"
            [array]$property = Get-PnPPropertyBag -Key $Key -ErrorAction 'Stop'

            Write-Verbose -Message 'Properties obtained correctly'
        }
        catch
        {
            Write-Verbose "Credential or service principal specified does not have admin access to site {$Url}"
            if ($_.Exception -like '*Unable to cast object of type*')
            {
                [array]$property = Get-PnPPropertyBag | Where-Object -FilterScript { $_.Key -ceq $Key }
            }
            elseif ($_.Exception -like '*The underlying connection was closed*')
            {
                $ConnectionMode = New-M365DSCConnection -Workload 'PnP' `
                    -InboundParameters $PSBoundParameters `
                    -Url $Url

                Write-Verbose -Message "Obtaining all properties from the Get method for url {$Url}"
                [array]$property = Get-PnPPropertyBag -Key $Key -ErrorAction 'SilentlyContinue'
            }
            else
            {
                New-M365DSCLogEntry -Message "Couldn't get Property Bag for {$Url}" `
                    -Exception $_ `
                    -Source $MyInvocation.MyCommand.ModuleName
                Write-Verbose "Credential specified does not have admin access to site {$Url}"
            }
        }
        if ($property.Length -ne 1)
        {
            [array]$property = Get-PnPPropertyBag | Where-Object -FilterScript { $_.Key -ceq $Key }
        }
        if ($property.Length -eq 0)
        {
            Write-Verbose -Message "SPOPropertyBag $Key does not exist at {$Url}."
            return $nullReturn
        }
        else
        {
            Write-Verbose "Found existing SPOPropertyBag Key $Key at {$Url}"
            $result = @{
                Ensure                = 'Present'
                Url                   = $Url
                Key                   = $Key
                Value                 = $property[0]
                Credential            = $Credential
                ApplicationId         = $ApplicationId
                TenantId              = $TenantId
                ApplicationSecret     = $ApplicationSecret
                CertificatePassword   = $CertificatePassword
                CertificatePath       = $CertificatePath
                CertificateThumbprint = $CertificateThumbprint
                Managedidentity       = $ManagedIdentity.IsPresent
            }

            Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)"
            return $result
        }
    }
    catch
    {
        New-M365DSCLogEntry -Message 'Error retrieving data:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return $nullReturn
    }
}

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

        [Parameter(Mandatory = $true)]
        [System.String]
        $Key,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Value,

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

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

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

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

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

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

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

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

        [Parameter()]
        [Switch]
        $ManagedIdentity
    )

    Write-Verbose -Message "Setting configuration of SPOPropertyBag property for $Key at {$Url}"

    #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 'PnP' `
        -InboundParameters $PSBoundParameters `
        -Url $Url

    $currentProperty = Get-TargetResource @PSBoundParameters

    if ('Present' -eq $Ensure)
    {
        $CreationParams = @{
            Key   = $Key
            Value = $Value
        }
        Set-PnPPropertyBagValue @CreationParams
    }
    elseif (('Absent' -eq $Ensure) -and ('Present' -eq $CurrentPolicy.Ensure))
    {
        Remove-PnPPropertyBagValue -Key $Key
    }
}

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

        [Parameter(Mandatory = $true)]
        [System.String]
        $Key,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Value,

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

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

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

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

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

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

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

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

        [Parameter()]
        [Switch]
        $ManagedIdentity
    )
    #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 SPOPropertyBag for $Key at {$Url}"

    $CurrentValues = Get-TargetResource @PSBoundParameters
    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.Management.Automation.PSCredential]
        $ApplicationSecret,

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

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

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

        [Parameter()]
        [Switch]
        $ManagedIdentity
    )

    try
    {
        $ConnectionMode = New-M365DSCConnection -Workload 'PnP' `
            -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

        # Get all Site Collections in tenant;
        $sites = Get-PnPTenantSite -ErrorAction Stop
        $i = 1
        $dscContent = ''

        if ($sites.Length -eq 0)
        {
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        else
        {
            Write-Host "`r`n" -NoNewline
        }
        foreach ($site in $sites)
        {
            $siteUrl = $site.Url
            Write-Host " [$i/$($sites.Length)] $($siteUrl)"
            try
            {
                $ConnectionMode = New-M365DSCConnection -Workload 'PnP' `
                    -InboundParameters $PSBoundParameters `
                    -Url $siteUrl
            }
            catch
            {
                Write-Host $Global:M365DSCEmojiRedX

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

                continue
            }

            try
            {
                $properties = Get-PnPPropertyBag
                $j = 1
                foreach ($property in $properties)
                {
                    Write-Host " |--- [$j/$($properties.Length)] $($property.Key)" -NoNewline
                    $Params = @{
                        Url                   = $siteUrl
                        Key                   = $property.Key
                        Value                 = '*'
                        ApplicationId         = $ApplicationId
                        TenantId              = $TenantId
                        ApplicationSecret     = $ApplicationSecret
                        CertificatePassword   = $CertificatePassword
                        CertificatePath       = $CertificatePath
                        CertificateThumbprint = $CertificateThumbprint
                        Managedidentity       = $ManagedIdentity.IsPresent
                        Credential            = $Credential
                    }

                    $Results = Get-TargetResource @Params
                    $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
                        -Results $Results
                    $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName 'SPOPropertyBag' `
                        -ConnectionMode $ConnectionMode `
                        -ModulePath $PSScriptRoot `
                        -Results $Results `
                        -Credential $Credential
                    $dscContent += $currentDSCBlock
                    Save-M365DSCPartialExport -Content $currentDSCBlock `
                        -FileName $Global:PartialExportFileName

                    Write-Host $Global:M365DSCEmojiGreenCheckMark
                    $j++
                }
            }
            catch
            {
                Write-Host $Global:M365DSCEmojiRedX

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

                continue
            }
            $i++
        }

        $organization = ''
        $principal = '' # Principal represents the "NetBios" name of the tenant (e.g. the M365DSC part of M365DSC.onmicrosoft.com)
        if ($null -ne $Credential -and $Credential.UserName.Contains('@'))
        {
            $organization = $Credential.UserName.Split('@')[1]

            if ($organization.IndexOf('.') -gt 0)
            {
                $principal = $organization.Split('.')[0]
            }
        }
        else
        {
            $organization = $TenantId
            $principal = $organization.Split('.')[0]
        }

        if ($dscContent.ToLower().Contains($organization.ToLower()) -or `
                $dscContent.ToLower().Contains($principal.ToLower()))
        {
            $dscContent = $dscContent -ireplace [regex]::Escape('https://' + $principal + '.sharepoint.com/'), "https://`$(`$OrganizationName.Split('.')[0]).sharepoint.com/"
            $dscContent = $dscContent -ireplace [regex]::Escape('@' + $organization), "@`$(`$OrganizationName)"
        }
        return $dscContent
    }
    catch
    {
        Write-Host $Global:M365DSCEmojiRedX

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

        return ''
    }
}

Export-ModuleMember -Function *-TargetResource