Improve user validation (#568)

Scripts/Helpers/GetUserDirectory.ps1

@@ -7,23 +7,41 @@ function GetUserDirectory {
     )
 
     try {
-        if (-not (CheckIfUserExists -userName $userName) -and $userName -ne "*") {
-            Write-Error "User $userName does not exist on this system"
-            AwaitKeyToExit
+        if ($userName -eq "*") {
+            $rootPaths = @(
+                (Join-Path $env:SystemDrive 'Users')
+                (Split-Path -Path $env:USERPROFILE -Parent)
+            ) | Where-Object { -not [string]::IsNullOrWhiteSpace($_) } | Select-Object -Unique
+
+            foreach ($rootPath in $rootPaths) {
+                if (-not (Test-Path -LiteralPath $rootPath -PathType Container)) {
+                    continue
+                }
+
+                $wildcardPath = if ([string]::IsNullOrWhiteSpace($fileName)) {
+                    Join-Path $rootPath '*'
+                }
+                else {
+                    Join-Path (Join-Path $rootPath '*') $fileName
+                }
+
+                return $wildcardPath
+            }
         }
 
-        $userDirectoryExists = Test-Path "$env:SystemDrive\Users\$userName"
-        $userPath = "$env:SystemDrive\Users\$userName\$fileName"
+        $userContext = ResolveUserProfileContext -UserName $userName
+        $resolvedUserDirectory = if ($userContext) { $userContext.ProfilePath } else { $null }
+        if ($resolvedUserDirectory) {
+            $userPath = if ([string]::IsNullOrWhiteSpace($fileName)) {
+                $resolvedUserDirectory
+            }
+            else {
+                Join-Path $resolvedUserDirectory $fileName
+            }
 
-        if ((Test-Path $userPath) -or ($userDirectoryExists -and (-not $exitIfPathNotFound))) {
-            return $userPath
-        }
-
-        $userDirectoryExists = Test-Path ($env:USERPROFILE -Replace ('\\' + $env:USERNAME + '$'), "\$userName")
-        $userPath = $env:USERPROFILE -Replace ('\\' + $env:USERNAME + '$'), "\$userName\$fileName"
-
-        if ((Test-Path $userPath) -or ($userDirectoryExists -and (-not $exitIfPathNotFound))) {
-            return $userPath
+            if ((Test-Path -LiteralPath $userPath) -or ((Test-Path -LiteralPath $resolvedUserDirectory -PathType Container) -and (-not $exitIfPathNotFound))) {
+                return $userPath
+            }
         }
     }
     catch {