79 lines
3.6 KiB
PowerShell
79 lines
3.6 KiB
PowerShell
function Test-TeamsExternalFileSharing {
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[CmdletBinding()]
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[OutputType([CISAuditResult])]
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param (
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[Parameter(Mandatory = $false)]
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[string[]]$ApprovedCloudStorageProviders
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)
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begin {
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# Dot source the class script if necessary
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# . .\source\Classes\CISAuditResult.ps1
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# Initialization code, if needed
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$recnum = "8.1.1"
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}
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process {
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try {
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# 8.1.1 (L2) Ensure external file sharing in Teams is enabled for only approved cloud storage services
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# Connect to Teams PowerShell using Connect-MicrosoftTeams
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# Condition A: The `AllowDropbox` setting is set to `False`.
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# Condition B: The `AllowBox` setting is set to `False`.
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# Condition C: The `AllowGoogleDrive` setting is set to `False`.
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# Condition D: The `AllowShareFile` setting is set to `False`.
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# Condition E: The `AllowEgnyte` setting is set to `False`.
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# Assuming that 'approvedProviders' is a list of approved cloud storage service names
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# This list must be defined according to your organization's approved cloud storage services
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# Retrieve the current Teams client configuration
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$clientConfig = Get-CISMSTeamsOutput -Rec $recnum
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# Testing
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#$clientconfig.AllowGoogleDrive = $false
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#$clientconfig.AllowBox = $false
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#$clientconfig.AllowShareFile = $false
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#$clientconfig.AllowEgnyte = $false
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#$clientconfig.AllowDropBox = $false
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# Define all possible cloud storage providers
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$allProviders = @("AllowDropBox", "AllowBox", "AllowGoogleDrive", "AllowShareFile", "AllowEgnyte")
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# If ApprovedCloudStorageProviders is provided, map it to the corresponding settings
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if ($PSBoundParameters.ContainsKey('ApprovedCloudStorageProviders')) {
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$approvedProviders = @()
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foreach ($provider in $ApprovedCloudStorageProviders) {
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$approvedProviders += "Allow$provider"
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}
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} else {
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# Default approved providers
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$approvedProviders = @()
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}
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$isCompliant = $true
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$nonCompliantProviders = @()
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foreach ($provider in $allProviders) {
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if ($clientConfig.$provider -and -not $approvedProviders.Contains($provider)) {
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$isCompliant = $false
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$nonCompliantProviders += $provider
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}
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}
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$basePassDetails = "All cloud storage services are approved providers"
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if ($ApprovedCloudStorageProviders) {
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$basePassDetails = "Approved cloud storage services: $($ApprovedCloudStorageProviders -join ', ')"
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}
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# Create an instance of CISAuditResult and populate it
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$params = @{
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Rec = $recnum
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Result = $isCompliant
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Status = if ($isCompliant) { "Pass" } else { "Fail" }
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Details = if (-not $isCompliant) { "Non-approved providers enabled: $($nonCompliantProviders -join ', ')" } else { $basePassDetails }
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FailureReason = if (-not $isCompliant) { "The following non-approved providers are enabled: $($nonCompliantProviders -join ', ')" } else { "N/A" }
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}
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$auditResult = Initialize-CISAuditResult @params
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}
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catch {
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$LastError = $_
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$auditResult = Get-TestError -LastError $LastError -recnum $recnum
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}
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}
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end {
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# Return auditResult
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return $auditResult
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}
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}
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