public/cis/Test-MtCisEnsureUserConsentToAppsDisallowed.ps1

function Test-MtCisEnsureUserConsentToAppsDisallowed {
    <#
    .SYNOPSIS
        Checks if user consent to applications is disallowed.
    
    .DESCRIPTION
        Users should not be allowed to consent to applications.
        CIS Microsoft 365 Foundations Benchmark v6.0.1
    
    .EXAMPLE
        Test-MtCisEnsureUserConsentToAppsDisallowed
    
        Returns true if users are not allowed to consent to applications.
    
    .LINK
        https://maester.dev/docs/commands/Test-MtCisEnsureUserConsentToAppsDisallowed
    #>

    [CmdletBinding()]
    [OutputType([bool])]
    param()

    if (!(Test-MtConnection Graph)) {
        Add-MtTestResultDetail -SkippedBecause NotConnectedGraph
        return $null
    }

    try {
        Write-Verbose 'Getting settings...'
        $settings = (Invoke-MtGraphRequest -RelativeUri "policies/authorizationPolicy" -DisableCache).defaultUserRolePermissions

        Write-Verbose 'Executing checks'
        $testResult = $settings.permissionGrantPoliciesAssigned -notcontains "ManagePermissionGrantsForSelf.microsoft-user-default-low" -and $settings.permissionGrantPoliciesAssigned -notcontains "ManagePermissionGrantsForSelf.microsoft-user-default-legacy"

        if ($testResult) {
            $testResultMarkdown = "Well done. Your tenant settings comply with CIS recommendations.`n`n%TestResult%"
        }
        else {
            $testResultMarkdown = "Your tenant settings do not comply with CIS recommendations.`n`n%TestResult%"
        }

        $resultMd = "| Setting | Result |`n"
        $resultMd += "| --- | --- |`n"

        if ($testResult) {
            $checkResult = '✅ Pass'
        }
        else {
            $checkResult = '❌ Fail'
        }

        $resultMd += "| User consent for applications | $checkResult |`n"

        $testResultMarkdown = $testResultMarkdown -replace '%TestResult%', $resultMd

        Add-MtTestResultDetail -Result $testResultMarkdown
        return $testResult
    }
    catch {
        Add-MtTestResultDetail -SkippedBecause Error -SkippedError $_
        return $null
    }
}