Add FirefoxService.ps1

MVVM/Services/FirefoxService.ps1

@@ -0,0 +1,55 @@
+class FirefoxService {
+
+    static [string] FindInstallDir() {
+        $candidates = @(
+            "C:\Program Files\Mozilla Firefox",
+            "C:\Program Files (x86)\Mozilla Firefox"
+        )
+        foreach ($c in $candidates) {
+            if (Test-Path (Join-Path $c "firefox.exe")) { return $c }
+        }
+        try {
+            $reg = Get-ItemProperty "HKLM:\SOFTWARE\Mozilla\Mozilla Firefox" -ErrorAction Stop
+            if ($reg."Install Directory" -and (Test-Path $reg."Install Directory")) {
+                return $reg."Install Directory"
+            }
+        } catch {}
+        return $null
+    }
+
+    static [string] FindProfile() {
+        $profilesPath = Join-Path ([Environment]::GetFolderPath("ApplicationData")) "Mozilla\Firefox\Profiles"
+        if (-not (Test-Path $profilesPath)) { return $null }
+        $profiles = Get-ChildItem $profilesPath -Directory |
+            Where-Object { $_.Name -match '\.default|default-release' }
+        if ($profiles) { return $profiles[0].FullName }
+        $all = Get-ChildItem $profilesPath -Directory
+        if ($all) { return $all[0].FullName }
+        return $null
+    }
+
+    static [bool] IsRunning() {
+        return [bool](Get-Process -Name "firefox" -ErrorAction SilentlyContinue)
+    }
+
+    static [bool] IsAdmin() {
+        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()
+        return (New-Object System.Security.Principal.WindowsPrincipal($id)).IsInRole(
+            [System.Security.Principal.WindowsBuiltInRole]::Administrator)
+    }
+
+    static [bool] IsIntuneManaged() {
+        $key = "HKLM:\SOFTWARE\Policies\Mozilla\Firefox"
+        if (Test-Path $key) {
+            return [bool](Get-ItemProperty $key -ErrorAction SilentlyContinue)
+        }
+        return $false
+    }
+
+    static [object[]] GetInstalledAddons([string]$profilePath) {
+        $json = Join-Path $profilePath "extensions.json"
+        if (-not (Test-Path $json)) { return @() }
+        return (Get-Content $json -Raw | ConvertFrom-Json).addons |
+            Where-Object { $_.type -eq "extension" }
+    }
+}