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Merge pull request #1067 from JohnDuprey/dev
CIPP-SAM - Permission builder/CPV
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154 changes: 154 additions & 0 deletions
154
Modules/CIPPCore/Public/GraphHelper/Get-CippSamPermissions.ps1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| function Get-CippSamPermissions { | ||
| <# | ||
| .SYNOPSIS | ||
| This script retrieves the CIPP-SAM permissions. | ||
| .DESCRIPTION | ||
| The Get-CippSamManifest function is used to retrieve the CIPP-SAM permissions either from the manifest files or table. | ||
| .EXAMPLE | ||
| Get-CippSamManifest | ||
| Retrieves the CIPP SAM manifest located in the module root | ||
| .FUNCTIONALITY | ||
| Internal | ||
| #> | ||
| [CmdletBinding(DefaultParameterSetName = 'Default')] | ||
| Param( | ||
| [Parameter(ParameterSetName = 'ManifestOnly')] | ||
| [switch]$ManifestOnly, | ||
| [Parameter(ParameterSetName = 'Default')] | ||
| [switch]$SavedOnly, | ||
| [Parameter(ParameterSetName = 'Diff')] | ||
| [switch]$NoDiff | ||
| ) | ||
|
|
||
| if (!$SavedOnly.IsPresent) { | ||
| $ModuleBase = Get-Module -Name CIPPCore | Select-Object -ExpandProperty ModuleBase | ||
| $SamManifest = Get-Item "$ModuleBase\Public\SAMManifest.json" | ||
| $AdditionalPermissions = Get-Item "$ModuleBase\Public\AdditionalPermissions.json" | ||
|
|
||
| $ServicePrincipals = New-GraphGetRequest -Uri 'https://graph.microsoft.com/beta/servicePrincipals?$top=999&$select=appId,displayName,appRoles,publishedPermissionScopes' -tenantid $env:TenantID -NoAuthCheck $true | ||
| $SAMManifest = Get-Content -Path $SamManifest.FullName | ConvertFrom-Json | ||
| $AdditionalPermissions = Get-Content -Path $AdditionalPermissions.FullName | ConvertFrom-Json | ||
|
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| $RequiredResources = $SamManifest.requiredResourceAccess | ||
|
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| $AppIds = ($RequiredResources.resourceAppId + $AdditionalPermissions.resourceAppId) | Sort-Object -Unique | ||
|
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||
| $Permissions = @{} | ||
| foreach ($AppId in $AppIds) { | ||
| $ServicePrincipal = $ServicePrincipals | Where-Object -Property appId -EQ $AppId | ||
| $AppPermissions = [System.Collections.Generic.List[object]]@() | ||
| $ManifestPermissions = ($RequiredResources | Where-Object -Property resourceAppId -EQ $AppId).resourceAccess | ||
| $UnpublishedPermissions = ($AdditionalPermissions | Where-Object -Property resourceAppId -EQ $AppId).resourceAccess | ||
|
|
||
| foreach ($Permission in $ManifestPermissions) { | ||
| $AppPermissions.Add($Permission) | ||
| } | ||
| if ($UnpublishedPermissions) { | ||
| foreach ($Permission in $UnpublishedPermissions) { | ||
| $AppPermissions.Add($Permission) | ||
| } | ||
| } | ||
|
|
||
| $ApplicationPermissions = [system.collections.generic.list[object]]@() | ||
| $DelegatedPermissions = [system.collections.generic.list[object]]@() | ||
| foreach ($Permission in $AppPermissions) { | ||
| if ($Permission.id -match '^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}$') { | ||
| if ($Permission.type -eq 'Role') { | ||
| $PermissionName = ($ServicePrincipal.appRoles | Where-Object -Property id -EQ $Permission.id).value | ||
| } else { | ||
| $PermissionName = ($ServicePrincipal.publishedPermissionScopes | Where-Object -Property id -EQ $Permission.id).value | ||
| } | ||
| } else { | ||
| $PermissionName = $Permission.id | ||
| } | ||
|
|
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| if ($Permission.type -eq 'Role') { | ||
| $ApplicationPermissions.Add([PSCustomObject]@{ | ||
| id = $Permission.id | ||
| value = $PermissionName | ||
|
|
||
| }) | ||
| } else { | ||
| $DelegatedPermissions.Add([PSCustomObject]@{ | ||
| id = $Permission.id | ||
| value = $PermissionName | ||
| }) | ||
| } | ||
| } | ||
|
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| $ServicePrincipal = $ServicePrincipals | Where-Object -Property appId -EQ $AppId | ||
| $Permissions.$AppId = @{ | ||
| applicationPermissions = @($ApplicationPermissions | Sort-Object -Property label) | ||
| delegatedPermissions = @($DelegatedPermissions | Sort-Object -Property label) | ||
| } | ||
| } | ||
| } | ||
| if ($ManifestOnly) { | ||
| return [PSCustomObject]@{ | ||
| Permissions = $Permissions | ||
| Type = 'Manifest' | ||
| } | ||
| } | ||
|
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||
| $Table = Get-CippTable -tablename 'AppPermissions' | ||
| $SavedPermissions = Get-CippAzDataTableEntity @Table -Filter "PartitionKey eq 'CIPP-SAM' and RowKey eq 'CIPP-SAM'" | ||
| if ($SavedPermissions.Permissions) { | ||
| $SavedPermissions.Permissions = $SavedPermissions.Permissions | ConvertFrom-Json | ||
| } else { | ||
| $SavedPermissions = @{ | ||
| Permissions = [PSCustomObject]@{} | ||
| } | ||
| } | ||
|
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||
| if ($SavedOnly.IsPresent) { | ||
| $SavedPermissions | Add-Member -MemberType NoteProperty -Name Type -Value 'Table' | ||
| return $SavedPermissions | ||
| } | ||
|
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||
| if (!$NoDiff -and $SavedPermissions.Permissions) { | ||
| $DiffPermissions = @{} | ||
| foreach ($AppId in $AppIds) { | ||
| $ManifestSpPermissions = $Permissions.$AppId | ||
| $SavedSpPermission = $SavedPermissions.Permissions.$AppId | ||
| $MissingApp = [System.Collections.Generic.List[object]]::new() | ||
| $MissingDelegated = [System.Collections.Generic.List[object]]::new() | ||
| foreach ($Permission in $ManifestSpPermissions.applicationPermissions) { | ||
| if ($SavedSpPermission.applicationPermissions.id -notcontains $Permission.id) { | ||
| $MissingApp.Add($Permission) | ||
| } | ||
| } | ||
| foreach ($Permission in $ManifestSpPermissions.delegatedPermissions) { | ||
| if ($SavedSpPermission.delegatedPermissions.id -notcontains $Permission.id) { | ||
| $MissingDelegated.Add($Permission) | ||
| } | ||
| } | ||
| if ($MissingApp -or $MissingDelegated) { | ||
| $DiffPermissions.$AppId = @{ | ||
| applicationPermissions = $MissingApp | ||
| delegatedPermissions = $MissingDelegated | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| $SamAppPermissions = @{} | ||
| if (($SavedPermissions.Permissions.PSObject.Properties.Name | Measure-Object).Count -gt 0) { | ||
| $SamAppPermissions.Permissions = $SavedPermissions.Permissions | ||
| $SamAppPermissions.Type = 'Table' | ||
| } else { | ||
| $SamAppPermissions.Permissions = $Permissions | ||
| $SamAppPermissions.Type = 'Manifest' | ||
| } | ||
|
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||
| if (!$NoDiff.IsPresent) { | ||
| $SamAppPermissions.MissingPermissions = $DiffPermissions | ||
| } | ||
|
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| $SamAppPermissions = $SamAppPermissions | ConvertTo-Json -Depth 10 -Compress | ConvertFrom-Json | ||
|
|
||
| return $SamAppPermissions | ||
| } | ||
|
|
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