From 9ebdc1d9799bf4431122e5d983a1e332fc2dd638 Mon Sep 17 00:00:00 2001
From: Murat Ugur Eminoglu <murat@murat.ws>
Date: Tue, 20 Jun 2023 12:38:11 +0300
Subject: [PATCH 1/2] Update coturn installation script

---
 install_turn-server.sh | 104 ++++++++++++++++++++++++++++++-----------
 1 file changed, 77 insertions(+), 27 deletions(-)

diff --git a/install_turn-server.sh b/install_turn-server.sh
index 43ef9521..c22c9615 100644
--- a/install_turn-server.sh
+++ b/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 support@antmedia.io"
-    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 -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."

From 60a50f94d2c23b204fa0339c48e5f9d37f08c72c Mon Sep 17 00:00:00 2001
From: Murat Ugur Eminoglu <murat@murat.ws>
Date: Thu, 22 Jun 2023 09:09:13 +0300
Subject: [PATCH 2/2] Add -r parameter "do not allow backslashes to escape any
 characters"

---
 install_turn-server.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/install_turn-server.sh b/install_turn-server.sh
index c22c9615..7fc331c6 100644
--- a/install_turn-server.sh
+++ b/install_turn-server.sh
@@ -56,7 +56,7 @@ configure_public_ip() {
 echo "Choose the configuration option:"
 echo "1. Behind NAT network (e.g., AWS)"
 echo "2. Directly accessible public IP"
-read -p "Enter your choice (1 or 2): " option
+read -r -p "Enter your choice (1 or 2): " option
 
 case $option in
     1)