.env.local

LOCAL_CONNECTION_INTERFACE_NAME=""
LOCAL_CONNECTION_IPV4_SEARCH=""

forward_wsl2_ports.ps1

# Forward WSL2 ports to host machine/platform (handles Windows Firewall)
#
# NOTE: 'iex' is a shortform for 'Invoke-Expression'

# Ports that should be forwarded to WSL2 and allowed through firewall (comma-separated)
$ports = @(8081);

# WSL IP address changes whenever WSL restarts
$wsl_ips = $(wsl hostname -I).Trim() -split '\s+';
$wsl_ip = $wsl_ips[0]

# Incoming requests from any IP should be matched
$listen_all_ips = '0.0.0.0';

if ( -Not $wsl_ip ) {
  Write-Output "IP address for WSL 2 cannot be found";
  exit;
}

Write-Output "WSL IP: '$wsl_ip'";

### Windows Firewall #####

$firewall_rule = "WSL2 Forwarded Ports";
$firewall_ports = $ports -join ",";

# Remove existing firewal rule (will error if not already present; can ignore)
iex "Remove-NetFireWallRule -DisplayName '$firewall_rule' ";

# Allow Expo ports through Windows Firewall
iex "New-NetFireWallRule -DisplayName '$firewall_rule' -Direction Inbound -LocalPort $firewall_ports -Action Allow -Protocol TCP;"
iex "New-NetFireWallRule -DisplayName '$firewall_rule' -Direction Outbound -LocalPort $firewall_ports -Action Allow -Protocol TCP;"

### WSL Port Proxy #####

# Show all previously proxied ports
iex "netsh interface portproxy show v4tov4"

# Configure port forwarding (via remove/add)
for ( $i = 0; $i -lt $ports.length; $i++ ) {
  $port = $ports[$i];
  # Remove previously proxied port
  iex "netsh interface portproxy delete v4tov4 listenport=$port listenaddress=$listen_all_ips"
  iex "netsh interface portproxy add v4tov4 listenport=$port listenaddress=$listen_all_ips connectport=$port connectaddress=$wsl_ip"
}

# Show all newly proxied ports
iex "netsh interface portproxy show v4tov4"

cmd /c pause

get_network_local_ip.js

const { exec } = require("child_process");
require("dotenv").config({ path: "./.env.local" });

// Executar o comando e capturar a saída
exec(
  `netsh.exe interface ip show address "${process.env.LOCAL_CONNECTION_INTERFACE_NAME}"`,
  (error, stdout, stderr) => {
    if (error) {
      console.error(`Erro ao executar o comando: ${error.message}`);
      return;
    }
    if (stderr) {
      console.error(`Erro no comando: ${stderr}`);
      return;
    }

    // Encontrar e imprimir o endereço IPv4
    const lines = stdout.split("\n");
    for (const line of lines) {
      if (line.includes(process.env.LOCAL_CONNECTION_IPV4_SEARCH)) {
        const matches = line.match(/\b\d{1,3}(\.\d{1,3}){3}\b/g);
        if (matches && matches.length > 0) {
          console.log(matches[0]);
          return;
        }
      }
    }

    console.log("Endereço IPv4 não encontrado.");
  }
);