91 lines
3.8 KiB
PowerShell
91 lines
3.8 KiB
PowerShell
function Test-ExternalSharingCalendars {
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[CmdletBinding()]
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[OutputType([CISAuditResult])]
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param (
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# Aligned
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# Parameters can be added if needed
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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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$recnum = "1.3.3"
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# Conditions for 1.3.3 (L2) Ensure 'External sharing' of calendars is not available (Automated)
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#
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# Validate test for a pass:
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# - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
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# - Specific conditions to check:
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# - Condition A: In the Microsoft 365 admin center, external calendar sharing is disabled.
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# - Condition B: Using the Exchange Online PowerShell Module, the `OrganizationConfig` property `ExternalSharingEnabled` is set to `False`.
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#
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# Validate test for a fail:
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# - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
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# - Specific conditions to check:
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# - Condition A: In the Microsoft 365 admin center, external calendar sharing is enabled.
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# - Condition B: Using the Exchange Online PowerShell Module, the `OrganizationConfig` property `ExternalSharingEnabled` is set to `True`.
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}
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process {
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try {
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# Step: Retrieve sharing policies related to calendar sharing
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$sharingPolicies = Get-SharingPolicy | Where-Object { $_.Domains -like '*CalendarSharing*' }
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# Step (Condition A & B: Pass/Fail): Check if calendar sharing is disabled in all applicable policies
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$isExternalSharingDisabled = $true
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$sharingPolicyDetails = @()
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foreach ($policy in $sharingPolicies) {
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if ($policy.Enabled -eq $true) {
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$isExternalSharingDisabled = $false
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$sharingPolicyDetails += "$($policy.Name): Enabled"
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}
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}
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# Step: Prepare failure reasons and details based on compliance (Condition A & B: Fail)
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$failureReasons = if (-not $isExternalSharingDisabled) {
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"Calendar sharing with external users is enabled in one or more policies."
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}
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else {
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"N/A"
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}
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# Step: Prepare details for the audit result (Condition A & B: Pass/Fail)
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$details = if ($isExternalSharingDisabled) {
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"Calendar sharing with external users is disabled."
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}
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else {
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"Enabled Sharing Policies: $($sharingPolicyDetails -join ', ')"
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}
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# Step: Create and populate the CISAuditResult object
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$params = @{
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Rec = $recnum
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Result = $isExternalSharingDisabled
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Status = if ($isExternalSharingDisabled) { "Pass" } else { "Fail" }
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Details = $details
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FailureReason = $failureReasons
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}
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$auditResult = Initialize-CISAuditResult @params
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}
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catch {
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Write-Error "An error occurred during the test: $_"
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# Retrieve the description from the test definitions
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$testDefinition = $script:TestDefinitionsObject | Where-Object { $_.Rec -eq $recnum }
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$description = if ($testDefinition) { $testDefinition.RecDescription } else { "Description not found" }
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$script:FailedTests.Add([PSCustomObject]@{ Rec = $recnum; Description = $description; Error = $_ })
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# Call Initialize-CISAuditResult with error parameters
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$auditResult = Initialize-CISAuditResult -Rec $recnum -Failure
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}
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}
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end {
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# Return the audit result
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return $auditResult
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}
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}
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