DSCResources/MSFT_AADSocialIdentityProvider/MSFT_AADSocialIdentityProvider.psm1

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

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

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

        [Parameter()]
        [ValidateSet("AADSignup", "EmailOTP", "Microsoft", "MicrosoftAccount", "Google", "Amazon", "LinkedIn", "Facebook", "GitHub", "Twitter", "Weibo", "QQ", "WeChat")]
        [System.String]
        $IdentityProviderType,

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

        [Parameter()]
        [Switch]
        $ManagedIdentity,

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

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

        $nullResult = $PSBoundParameters
        $nullResult.Ensure = 'Absent'

        $getValue = Get-MgBetaIdentityProvider -Filter "Id eq '$ClientId'" `
                        -ErrorAction SilentlyContinue | Where-Object -FilterScript {$_.AdditionalProperties.'@odata.type' -eq '#microsoft.graph.socialIdentityProvider'}

        if ($null -eq $getValue)
        {
            Write-Verbose -Message "Could not find Social Identity Provider Client Id {$ClientId}"
            return $nullResult
        }
        Write-Verbose -Message "Social Identity Provider with ClientId {$ClientId} was found."

        $ClientSecretValue = $null
        if ($getValue.AdditionalProperties.clientSecret)
        {
            $ClientSecretValue = $getValue.AdditionalProperties.clientSecret
        }
        $results = @{
            ClientId              = $getValue.Id
            ClientSecret          = $ClientSecretValue
            DisplayName           = $getValue.DisplayName
            IdentityProviderType  = $getValue.AdditionalProperties.identityProviderType
            Ensure                = 'Present'
            Credential            = $Credential
            ApplicationId         = $ApplicationId
            TenantId              = $TenantId
            ApplicationSecret     = $ApplicationSecret
            CertificateThumbprint = $CertificateThumbprint
            Managedidentity       = $ManagedIdentity.IsPresent
            AccessTokens          = $AccessTokens
        }

        return [System.Collections.Hashtable] $results
    }
    catch
    {
        New-M365DSCLogEntry -Message 'Error retrieving data:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return $nullResult
    }
}

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

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

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

        [Parameter()]
        [ValidateSet("AADSignup", "EmailOTP", "Microsoft", "MicrosoftAccount", "Google", "Amazon", "LinkedIn", "Facebook", "GitHub", "Twitter", "Weibo", "QQ", "WeChat")]
        [System.String]
        $IdentityProviderType,

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

        [Parameter()]
        [Switch]
        $ManagedIdentity,

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

    #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

    $currentInstance = Get-TargetResource @PSBoundParameters
    $BoundParameters = Remove-M365DSCAuthenticationParameter -BoundParameters $PSBoundParameters

    $AdditionalProperties = @{
        '@odata.type'        = "microsoft.graph.socialIdentityProvider"
        identityProviderType = $IdentityProviderType
    }
    $BoundParameters.Add("AdditionalProperties", $AdditionalProperties)
    $BoundParameters.Remove("IdentityProviderType") | Out-Null
    if ($ClientId)
    {
        $BoundParameters.AdditionalProperties.Add('ClientId', $ClientId)
        $BoundParameters.Remove("ClientId") | Out-Null
    }
    if ($ClientSecret)
    {
        $BoundParameters.AdditionalProperties.Add('ClientSecret', $ClientSecret)
        $BoundParameters.Remove("ClientSecret") | Out-Null
    }
    if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent')
    {
        Write-Verbose -Message "Creating new Social Identity Provider with Client Id {$ClientId}"
        New-MgBetaIdentityProvider @BoundParameters | Out-Null
    }
    elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present')
    {
        $BoundParameters.Add('IdentityProviderBaseId', $ClientId)
        $BoundParameters.AdditionalProperties.Remove('IdentityProviderType') | Out-Null
        Write-Verbose -Message "Updating the Social Identity Provider with Client Id {$ClientId}"
        Update-MgBetaIdentityProvider @BoundParameters | Out-Null
    }
    elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present')
    {
        Write-Verbose -Message "Removing the Social Identity Provider with Client Id {$ClientId}"
        Remove-MgBetaIdentityProvider -IdentityProviderBaseId $ClientId | Out-Null
    }
}

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

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

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

        [Parameter()]
        [ValidateSet("AADSignup", "EmailOTP", "Microsoft", "MicrosoftAccount", "Google", "Amazon", "LinkedIn", "Facebook", "GitHub", "Twitter", "Weibo", "QQ", "WeChat")]
        [System.String]
        $IdentityProviderType,

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

        [Parameter()]
        [Switch]
        $ManagedIdentity,

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

    #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 the Social Identity Provider with Client Id {$ClientId}"

    $CurrentValues = Get-TargetResource @PSBoundParameters
    $ValuesToCheck = ([Hashtable]$PSBoundParameters).clone()
    $ValuesToCheck.Remove('ClientSecret') | Out-Null

    Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
    Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)"
    $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]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

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

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
        -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
    {
        [array]$getValue = Get-MgBetaIdentityProvider -All -ErrorAction Stop | Where-Object -FilterScript {$_.AdditionalProperties.'@odata.type' -eq '#microsoft.graph.socialIdentityProvider'}

        $i = 1
        $dscContent = ''
        if ($getValue.Length -eq 0)
        {
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        else
        {
            Write-Host "`r`n" -NoNewline
        }
        foreach ($config in $getValue)
        {
            if ($null -ne $Global:M365DSCExportResourceInstancesCount)
            {
                $Global:M365DSCExportResourceInstancesCount++
            }

            $displayedKey = $config.DisplayName

            Write-Host " |---[$i/$($getValue.Count)] $displayedKey" -NoNewline
            $params = @{
                ClientId              = $config.Id
                Ensure                = 'Present'
                Credential            = $Credential
                ApplicationId         = $ApplicationId
                TenantId              = $TenantId
                ApplicationSecret     = $ApplicationSecret
                CertificateThumbprint = $CertificateThumbprint
                Managedidentity       = $ManagedIdentity.IsPresent
                AccessTokens          = $AccessTokens
            }

            $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
            $i++
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        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