change: Test-ExternalSharingCalendars reverted to simple test

source/tests/Test-ExternalSharingCalendars.ps1

@@ -5,12 +5,14 @@ function Test-ExternalSharingCalendars {
         # Aligned
         # Parameters can be added if needed
     )
+
     begin {
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
+
         # Initialization code, if needed
         $recnum = "1.3.3"
-        Write-Verbose "Running Test-ExternalSharingCalendars for $recnum..."
+
         # Conditions for 1.3.3 (L2) Ensure 'External sharing' of calendars is not available (Automated)
         #
         # Validate test for a pass:
@@ -25,19 +27,12 @@ function Test-ExternalSharingCalendars {
         #   - Condition A: In the Microsoft 365 admin center, external calendar sharing is enabled.
         #   - Condition B: Using the Exchange Online PowerShell Module, the `OrganizationConfig` property `ExternalSharingEnabled` is set to `True`.
     }
+
     process {
         try {
             # Step: Retrieve sharing policies related to calendar sharing
-            # $sharingPolicies Mock Object
-            <#
-                $sharingPolicies = [PSCustomObject]@{
-                    Name = "Default Sharing Policy"
-                    Domains = @("Anonymous:CalendarSharingFreeBusySimple")
-                    Enabled = $true
-                    Default = $true
-                }
-            #>
             $sharingPolicies = Get-CISExoOutput -Rec $recnum
+
             # Step (Condition A & B: Pass/Fail): Check if calendar sharing is disabled in all applicable policies
             $isExternalSharingDisabled = $true
             $sharingPolicyDetails = @()
@@ -47,43 +42,47 @@ function Test-ExternalSharingCalendars {
                     $sharingPolicyDetails += "$($policy.Name): Enabled"
                 }
             }
-            # Retrieve calendars with publishing enabled (from 1.3.3b)
-            # $calendarDetails Mock Object
-            <#
-                $calendarDetails = @(
-                    [PSCustomObject]@{
-                        Calendar = "SMBuser1@domain.com"
-                        URL = "https://example.com/calendar/smbuser1"
-                    },
-                    [PSCustomObject]@{
-                        Calendar = "SMBuser2@domain.com"
-                        URL = "https://example.com/calendar/smbuser2"
-                    },
-                    [PSCustomObject]@{
-                        Calendar = "SMBuser4@domain.com"
-                        URL = "https://example.com/calendar/smbuser3"
-                    }
-                )
-            #>
-            $calendarDetails = Get-CISExoOutput -Rec "$("$recnum" + "b")"
-            # Build the failure reason string
+            $failureRemediation = @'
+# Get all mailboxes
+$mailboxes = Get-Mailbox -ResultSize Unlimited
+
+# Initialize a hashtable to store calendar folder names
+$calendarFolders = @{}
+# Get the default calendar folder names for all mailboxes
+$mailboxes | ForEach-Object {
+    $calendarFolderName = [string](Get-EXOMailboxFolderStatistics $_.PrimarySmtpAddress -FolderScope Calendar | Where-Object { $_.FolderType -eq `'Calendar`' }).Name
+    $calendarFolders[$_.PrimarySmtpAddress] = $calendarFolderName
+}
+# Get the calendar folder settings for each mailbox
+foreach ($mailbox in $mailboxes) {
+    $primarySmtpAddress = $mailbox.PrimarySmtpAddress
+    $calendarFolder = $calendarFolders[$primarySmtpAddress]
+    # Get users calendar folder settings for their default Calendar folder
+    $calendar = Get-MailboxCalendarFolder -Identity "$primarySmtpAddress:\$calendarFolder"
+    # Check if calendar publishing is enabled and display a message
+    if ($calendar.PublishEnabled) {
+        Write-Host -ForegroundColor Yellow "Calendar publishing is enabled for $primarySmtpAddress on $($calendar.PublishedCalendarUrl)"
+    }
+}
+'@
+            # Step: Prepare failure reasons and details based on compliance (Condition A & B: Fail)
             $failureReasons = if (-not $isExternalSharingDisabled) {
-                $baseMessage = "Calendar sharing with external users is enabled in one or more policies."
-                if ($calendarDetails.Count -gt 0) {
-                    $baseMessage += "`nPrior to remediating, check the following mailboxes that have calendar publishing enabled: `n$($calendarDetails -join '`n')"
-                }
-                $baseMessage
+                "Calendar sharing with external users is enabled in one or more policies.`n`n" + `
+                "Use the following command to verify which users are sharing calendars prior to disabling:`n`n" + `
+                $failureRemediation
             }
             else {
                 "N/A"
             }
+
             # Step: Prepare details for the audit result (Condition A & B: Pass/Fail)
             $details = if ($isExternalSharingDisabled) {
                 "Calendar sharing with external users is disabled."
             }
             else {
-                "Enabled Sharing Policies:`n$($sharingPolicyDetails -join ', ')"
+                "Enabled Sharing Policies: $($sharingPolicyDetails -join ', ')"
             }
+
             # Step: Create and populate the CISAuditResult object
             $params = @{
                 Rec           = $recnum
@@ -99,6 +98,7 @@ function Test-ExternalSharingCalendars {
             $auditResult = Get-TestError -LastError $LastError -recnum $recnum
         }
     }
+
     end {
         # Return the audit result
         return $auditResult