Update coturn installation script

install_turn-server.sh

@@ -1,32 +1,82 @@
 #!/bin/bash
-#
-# Turn Server Installation Script
-# 
-
-IP=`curl http://checkip.amazonaws.com`
-USERNAME=$(openssl rand -hex 6)
-PASSWORD=$(openssl rand -hex 12)
-
-check() {
-  OUT=$?
-  if [ $OUT -ne 0 ]; then
-    echo "There is a problem in installing the turn server. Please send the log of this console to [email protected]"
-    exit $OUT
-  fi
+
+# Check if user is running as root
+if [[ $EUID -ne 0 ]]; then
+    echo "This script must be run as root."
+    exit 1
+fi
+
+# Function to install Coturn
+install_coturn() {
+    apt-get update
+    apt-get install -y coturn
+    truncate -s 0 /etc/turnserver.conf
+}
+
+# Function to generate random username
+generate_credentials() {
+    username=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 8 | head -n 1)
+    password=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 12 | head -n 1)
+    echo "Username: $username"
+    echo "Password: $password"
+    echo "lt-cred-mech" >> /etc/turnserver.conf
+    echo "user=$username:$password" >> /etc/turnserver.conf
+}
+
+# Function to configure Coturn for NAT network
+configure_nat() {
+    # Add necessary configuration options for NAT network
+    echo 'TURNSERVER_ENABLED=1' >> /etc/default/coturn
+    # Get public IP
+    public_ip=$(curl -s http://checkip.amazonaws.com)
+
+    # Get private IP
+    private_ip=$(hostname -I | awk '{print $1}')
+
+    # Add external IP configuration to turnserver.conf
+    echo "external-ip=$public_ip/$private_ip" >> /etc/turnserver.conf
+    echo "realm=$public_ip" >> /etc/turnserver.conf
 }
 
-sudo apt-get update && apt-get install coturn -y
-check
-echo "TURNSERVER_ENABLED=1" > /etc/default/coturn
-echo "realm=$IP" >> /etc/turnserver.conf
-echo "user=$USERNAME:$PASSWORD" >> /etc/turnserver.conf
-sudo systemctl enable coturn && sudo systemctl restart coturn
-check
-echo ""
-echo "Username: $USERNAME"
-echo "Password: $PASSWORD"
-echo "Turn Server Address: $IP"
-echo "Please check this guide to enable the Turn Server: https://antmedia.io/docs/guides/advanced-usage/turn-and-stun-installation/coTURN-quick-installation/#how-to-add-turn-server-to-ant-media-sample-pages"
-echo ""
+# Function to configure Coturn for public IP
+configure_public_ip() {
+    # Add necessary configuration options for public IP
+    echo 'TURNSERVER_ENABLED=1' >> /etc/default/coturn
+
+    # Get public IP
+    public_ip=$(curl -s http://checkip.amazonaws.com)
+
+    # Add external IP configuration to turnserver.conf
+    echo "realm=$public_ip" >> /etc/turnserver.conf
+}
+
+# Main script
+
+# Prompt user for configuration option
+echo "Choose the configuration option:"
+echo "1. Behind NAT network (e.g., AWS)"
+echo "2. Directly accessible public IP"
+read -r -p "Enter your choice (1 or 2): " option
+
+case $option in
+    1)
+        install_coturn
+        generate_credentials
+        configure_nat
+        ;;
+    2)
+        install_coturn
+        generate_credentials
+        configure_public_ip
+        ;;
+    *)
+        echo "Invalid choice. Exiting."
+        exit 1
+        ;;
+esac
 
+# Start and enable Coturn service
+systemctl restart coturn
+systemctl enable coturn
 
+echo "Coturn installation and configuration completed."