From 43f7672df3f8d25cfd583e1d34a6ab5fdf0e290b Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Fri, 9 Aug 2024 04:19:49 +0200
Subject: [PATCH] Login to users for configuration

---
 scripts/Common/Scripts/Config.ps1           | 10 ++++
 scripts/Windows/OS/Install.ps1              | 42 ++++++++++++++++
 scripts/Windows/Scripts/PowerManagement.ps1 | 56 +++++++++++++++++++++
 3 files changed, 108 insertions(+)

diff --git a/scripts/Common/Scripts/Config.ps1 b/scripts/Common/Scripts/Config.ps1
index 0a1859d2..97fa6fe8 100644
--- a/scripts/Common/Scripts/Config.ps1
+++ b/scripts/Common/Scripts/Config.ps1
@@ -155,6 +155,16 @@ $null = New-Module {
         Get-Attributes "valhalla.windows.users";
     }
 
+    <#
+        .SYNOPSIS
+        Gets the name of the setup user.
+    #>
+    function Get-SetupUser {
+        [OutputType([string])]
+        param()
+        Get-Config "valhalla.windows.setupUser";
+    }
+
     <#
         .SYNOPSIS
         Gets the value of an option related to the setup.
diff --git a/scripts/Windows/OS/Install.ps1 b/scripts/Windows/OS/Install.ps1
index b2726a14..659e41a2 100644
--- a/scripts/Windows/OS/Install.ps1
+++ b/scripts/Windows/OS/Install.ps1
@@ -1,4 +1,6 @@
 #!/bin/pwsh
+using namespace System.Security.Principal;
+
 . "$PSScriptRoot/../../../scripts/Windows/Scripts/Prerequisites.ps1";
 . "$PSScriptRoot/../../Common/Scripts/Context.ps1";
 . "$PSScriptRoot/../Software/Firefox/Install.ps1";
@@ -8,6 +10,7 @@
 $null = New-Module {
     . "$PSScriptRoot/../Scripts/Hooks.ps1";
     . "$PSScriptRoot/../Scripts/PowerManagement.ps1";
+    . "$PSScriptRoot/../Scripts/Registry.ps1";
     . "$PSScriptRoot/../Scripts/Update.ps1";
     . "$PSScriptRoot/../Scripts/Users.ps1";
     . "$PSScriptRoot/../../Common/Scripts/Config.ps1";
@@ -428,6 +431,45 @@ $null = New-Module {
                         Set-Stage ([SetupStage]::ConfigureUser);
                     }
                     ([SetupStage]::ConfigureUser) {
+                        $userOption = "CurrentUser";
+
+                        function Get-CurrentUser {
+                            (Get-SetupOption $userOption) ?? 0;
+                        }
+
+                        function Set-CurrentUser {
+                            param([int] $Value)
+                            Set-SetupOption $userOption $Value;
+                        }
+
+                        [string[]] $users = Get-Users;
+                        $currentUser = Get-CurrentUser;
+                        Set-BootMessage;
+
+                        if ($currentUser -lt $users.Count) {
+                            $user = Get-LocalUser $users[$currentUser];
+
+                            Add-LocalGroupMember `
+                                -SID ([SecurityIdentifier]::new([WellKnownSidType]::BuiltinAdministratorsSid, $null))`
+                                $user `
+                                -ErrorAction SilentlyContinue;
+
+                            if ($env:UserName -ne "$user") {
+                                Disable-LocalUser $env:UserName;
+                                Enable-LocalUser $user;
+
+                                if (Get-UserConfig -UserName "$user" -Name "microsoftAccount") {
+                                    Disable-Autologin;
+                                    Set-BootMessage -Caption "Login" -Message "Please login using your account.";
+                                } else {
+                                    Set-AutologinUser "$user";
+                                }
+
+                                Restart-Intermediate
+                                return;
+                            }
+                        }
+
                         Set-IsFinished $true;
                     }
                 }
diff --git a/scripts/Windows/Scripts/PowerManagement.ps1 b/scripts/Windows/Scripts/PowerManagement.ps1
index 774eaa98..74b4b5a6 100644
--- a/scripts/Windows/Scripts/PowerManagement.ps1
+++ b/scripts/Windows/Scripts/PowerManagement.ps1
@@ -1,10 +1,16 @@
 using namespace Microsoft.Win32;
 
 $null = New-Module {
+    . "$PSScriptRoot/../../Common/Scripts/Config.ps1";
     . "$PSScriptRoot/../../Common/Scripts/Scripting.ps1";
     [RegistryKey] $key = $null;
     $runOncePath = "HKLM:\Software\Microsoft\Windows\CurrentVersion\RunOnce";
+    $logonPath = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon"
     $runOnceName = "PortValhalla";
+    $autologinOption = "AutoAdminLogon";
+    $domainOption = "DefaultDomainName";
+    $userOption = "DefaultUserName";
+    $passwordOption = "DefaultPassword";
 
     <#
         .SYNOPSIS
@@ -45,6 +51,56 @@ $null = New-Module {
         $key.Handle.Close();
     }
 
+    <#
+        .SYNOPSIS
+        Sets the user to login automatically on boot.
+
+        .PARAMETER Name
+        The name of the user to login automatically.
+    #>
+    function Set-AutologinUser {
+        param(
+            [string] $Name
+        )
+
+        Set-ItemProperty $autologinOption -Name $autologinOption "1";
+
+        if (-not $Name) {
+            $Name = Get-SetupUser;
+        }
+
+        $options = @{
+            $domainOption = "";
+            $userOption = $Name;
+            $passwordOption = "";
+        };
+
+        foreach ($key in $options.Keys) {
+            Set-ItemProperty -Name $key
+            $displayName = Get-UserConfig -UserName $name "displayName";
+
+            $userArguments = @{
+                name = $name;
+            };
+
+            if ($displayName) {
+                $userArguments.fullName = $displayName;
+            } -Value $options[$key];
+        }
+    }
+
+    <#
+        .SYNOPSIS
+        Disables the automatic login.
+    #>
+    function Disable-Autologin {
+        Set-ItemProperty $logonPath -Name $autologinOption "0";
+
+        foreach ($key in @($domainOption, $userOption, $passwordOption)) {
+            Remove-ItemProperty $logonPath -Name $key -ErrorAction SilentlyContinue;
+        }
+    }
+
     <#
         .SYNOPSIS
         Reboots the machine intermediately and restarts the setup after the next login.