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add: ApprovedFederatedDomains parameter for test 8.2.1

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DrIOS
2024-06-30 11:27:13 -05:00
parent bc85fa5fb8
commit 83177cccc2
3 changed files with 61 additions and 18 deletions
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63
source/tests/Test-TeamsExternalAccess.ps1
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@@ -2,8 +2,8 @@ function Test-TeamsExternalAccess {
[CmdletBinding()]
[OutputType([CISAuditResult])]
param (
# Aligned
# Parameters can be defined here if needed
[Parameter(Mandatory = $false, HelpMessage = "Specifies the approved federated domains for the audit. Accepts an array of allowed domain names.")]
[string[]]$ApprovedFederatedDomains
)
begin {
@@ -23,33 +23,66 @@ function Test-TeamsExternalAccess {
# - Condition A: The `AllowTeamsConsumer` setting is `False`.
# - Condition B: The `AllowPublicUsers` setting is `False`.
# - Condition C: The `AllowFederatedUsers` setting is `False` or, if `True`, the `AllowedDomains` contains only authorized domain names.
#
# 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 `AllowTeamsConsumer` setting is not `False`.
# - Condition B: The `AllowPublicUsers` setting is not `False`.
# - Condition C: The `AllowFederatedUsers` setting is `True` and the `AllowedDomains` contains unauthorized domain names or is not configured correctly.
# Connect to Teams PowerShell using Connect-MicrosoftTeams
# $externalAccessConfig Mock Object
<#
$externalAccessConfig = [PSCustomObject]@{
Identity = 'Global'
AllowedDomains = 'AllowAllKnownDomains'
BlockedDomains = @()
AllowFederatedUsers = $true
AllowPublicUsers = $true
AllowTeamsConsumer = $true
AllowTeamsConsumerInbound = $true
}
$ApprovedFederatedDomains = @('msn.com', 'google.com')
$externalAccessConfig = [PSCustomObject]@{
Identity = 'Global'
AllowedDomains = @('msn.com', 'google.com')
BlockedDomains = @()
AllowFederatedUsers = $true
AllowPublicUsers = $false
AllowTeamsConsumer = $false
AllowTeamsConsumerInbound = $true
}
#>
$externalAccessConfig = Get-CISMSTeamsOutput -Rec $recnum
# Testing
#$externalAccessConfig.AllowedDomains = @("msn.com", "google.com")
#$externalAccessConfig.AllowTeamsConsumer = $false
#$externalAccessConfig.AllowPublicUsers = $false
#$externalAccessConfig.AllowFederatedUsers = $true
# The above is for testing and will be replaced with the actual values from the Teams PowerShell output in production.
$allowedDomainsLimited = $false
if ($externalAccessConfig.AllowFederatedUsers -and $externalAccessConfig.AllowedDomains -and $externalAccessConfig.AllowedDomains.AllowedDomain.Count -gt 0) {
$allowedDomainsLimited = $true
$allowedDomainsMatch = $false
$invalidDomains = @()
if ($externalAccessConfig.AllowFederatedUsers) {
if ($externalAccessConfig.AllowedDomains -ne 'AllowAllKnownDomains' -and $externalAccessConfig.AllowedDomains.Count -gt 0) {
$allowedDomainsLimited = $true
if ($ApprovedFederatedDomains) {
$invalidDomains = $externalAccessConfig.AllowedDomains | Where-Object { $_ -notin $ApprovedFederatedDomains }
if ($invalidDomains.Count -eq 0) {
$invalidDomains = "None"
}
$allowedDomainsMatch = $invalidDomains.Count -eq 0
}
}
}
# Check if the configurations are as recommended
$isCompliant = -not $externalAccessConfig.AllowTeamsConsumer -and -not $externalAccessConfig.AllowPublicUsers -and (-not $externalAccessConfig.AllowFederatedUsers -or $allowedDomainsLimited)
$isCompliant = -not $externalAccessConfig.AllowTeamsConsumer -and -not $externalAccessConfig.AllowPublicUsers -and (-not $externalAccessConfig.AllowFederatedUsers -or ($allowedDomainsLimited -and $allowedDomainsMatch))
# Create an instance of CISAuditResult and populate it
$params = @{
Rec = $recnum
Result = $isCompliant
Status = if ($isCompliant) { "Pass" } else { "Fail" }
Details = "AllowTeamsConsumer: $($externalAccessConfig.AllowTeamsConsumer); AllowPublicUsers: $($externalAccessConfig.AllowPublicUsers); AllowFederatedUsers: $($externalAccessConfig.AllowFederatedUsers); AllowedDomains limited: $allowedDomainsLimited"
FailureReason = if (-not $isCompliant) { "One or more external access configurations are not compliant." } else { "N/A" }
Details = "AllowTeamsConsumer: $($externalAccessConfig.AllowTeamsConsumer); AllowPublicUsers: $($externalAccessConfig.AllowPublicUsers); AllowFederatedUsers: $($externalAccessConfig.AllowFederatedUsers); AllowedDomains limited: $allowedDomainsLimited; AllowedDomains match: $allowedDomainsMatch; Invalid Domains: $($invalidDomains -join ', ')"
FailureReason = if (-not $isCompliant) { "One or more external access configurations are not compliant. Invalid domains found: $($invalidDomains -join ', ')" } else { "N/A" }
}
$auditResult = Initialize-CISAuditResult @params
}