feat: web server for PAC working

Vagrantfile

@@ -32,5 +32,7 @@ Vagrant.configure("2") do |config|
   config.vm.provision "shell", path: "src/scripts/ps/ChocolateyInstall.ps1"
   ## Install Chocolatey packages
   config.vm.provision "shell", path: "src/scripts/ps/ChocolateyInstallPackages.ps1"
+  ## Set up PAC
+  config.vm.provision "shell", path: "src/scripts/ps/PacScheduledTask.ps1"
   
 end

src/config/proxy.pac

+function FindProxyForURL(url, host) {
+    // Only use proxy if the destination IP is 192.168.11.0/24
+    if (isInNet(host, "192.168.11.0", "255.255.255.0")) {
+        return "PROXY 192.168.56.10:3128";
+    }
+    // For everything else, connect directly
+    return "DIRECT";
+}
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src/scripts/ps/PacScheduledTask.ps1

+# PAC (Proxy Auto-Config) scheduled task setup
+
+# Bypass policy
+Set-ExecutionPolicy Bypass -Force
+
+# Create scheduled task
+$Action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-ExecutionPolicy Bypass -File C:\\vagrant\src\scripts\ps\PacSetup.ps1"
+$Trigger = New-ScheduledTaskTrigger -AtStartup
+$Principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -RunLevel Highest
+$Settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries
+Register-ScheduledTask -TaskName "StartPACServer" -Action $Action -Trigger $Trigger -Principal $Principal -Settings $Settings
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src/scripts/ps/PacSetup.ps1

+# PAC (Proxy Auto-Config) setup
+
+# Create small web server
+$listener = [System.Net.HttpListener]::new()
+$listener.Prefixes.Add("http://*:8080/")
+$listener.Start()
+
+Write-Host "Serving proxy.pac on http://localhost:8080/proxy.pac"
+
+while ($listener.IsListening) {
+    $context = $listener.GetContext()
+    $response = $context.Response
+    $buffer = [System.IO.File]::ReadAllBytes("C:\vagrant\src\config\proxy.pac")
+    $response.ContentLength64 = $buffer.Length
+    $response.OutputStream.Write($buffer, 0, $buffer.Length)
+    $response.OutputStream.Close()
+}
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