M365FoundationsCISReport

0.1.14

tests/Test-MeetingChatNoAnonymous.ps1

function Test-MeetingChatNoAnonymous {
    [CmdletBinding()]
    [OutputType([CISAuditResult])]
    param (
        # Aligned
        # Parameters can be defined here if needed
    )

    begin {
        # Dot source the class script if necessary
        #. .\source\Classes\CISAuditResult.ps1
        # Initialization code, if needed
        $recnum = "8.5.5"
    }

    process {
        try {
            # 8.5.5 (L2) Ensure meeting chat does not allow anonymous users
            #
            # Validate test for a pass:
            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
            # - Specific conditions to check:
            # - Condition A: The `MeetingChatEnabledType` setting in Teams is set to `EnabledExceptAnonymous`.
            # - Condition B: The setting for meeting chat is configured to allow chat for everyone except anonymous users.
            # - Condition C: Verification using the Teams Admin Center confirms that the meeting chat settings are configured as recommended.
            #
            # Validate test for a fail:
            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
            # - Specific conditions to check:
            # - Condition A: The `MeetingChatEnabledType` setting in Teams is not set to `EnabledExceptAnonymous`.
            # - Condition B: The setting for meeting chat allows chat for anonymous users.
            # - Condition C: Verification using the Teams Admin Center indicates that the meeting chat settings are not configured as recommended.

            # Retrieve the Teams meeting policy for meeting chat
            $CsTeamsMeetingPolicyChat = Get-CISMSTeamsOutput -Rec $recnum
            # Condition A: Check if the MeetingChatEnabledType is set to 'EnabledExceptAnonymous'
            $chatAnonDisabled = $CsTeamsMeetingPolicyChat.MeetingChatEnabledType -eq 'EnabledExceptAnonymous'

            # Prepare failure reasons and details based on compliance
            $failureReasons = if ($chatAnonDisabled) {
                "N/A"
            }
            else {
                "Meeting chat allows anonymous users"
            }

            $details = "MeetingChatEnabledType is set to $($CsTeamsMeetingPolicyChat.MeetingChatEnabledType)"

            # Create and populate the CISAuditResult object
            $params = @{
                Rec           = $recnum
                Result        = $chatAnonDisabled
                Status        = if ($chatAnonDisabled) { "Pass" } else { "Fail" }
                Details       = $details
                FailureReason = $failureReasons
            }
            $auditResult = Initialize-CISAuditResult @params
        }
        catch {
            $LastError = $_
            $auditResult = Get-TestError -LastError $LastError -recnum $recnum
        }
    }

    end {
        # Return the audit result
        return $auditResult
    }
}