#!/bin/bash

# Lo script:
#	- prende in input una porta <1025-65535>
#	- crea un nuovo profilo Firefox (se non esiste) dedicato alla porta
#	- imposta proxy SOCKS5 su 127.0.0.1:<porta>
#	- lancia Firefox con quel profilo in background

if [ "$1" = "-h" -o "$1" = "--help" ]
then
    echo "Utility per tunnel SOCKS5 su Firefox, prende in input una porta <1025-65535>"
    exit 3
fi
if [ $# -ne 1 ]
then
    echo "ERR - Expected: ffproxy <1025-65535>"
    exit 2
fi

PORT=$1
PROFILE_DIR="$HOME/.mozilla/firefox/socks5-$PORT"

# Crea un nuovo profilo Firefox se non esiste
if [ ! -d "$PROFILE_DIR" ]; then
    mkdir -p "$PROFILE_DIR"
    firefox -no-remote -CreateProfile "socks5-$PORT" "$PROFILE_DIR"
    
    # Modifica prefs.js con configurazione proxy
    PREFS_FILE="$PROFILE_DIR/prefs.js"
    echo 'user_pref("network.proxy.type", 1);' >> "$PREFS_FILE"
    echo 'user_pref("network.proxy.socks", "127.0.0.1");' >> "$PREFS_FILE"
    echo "user_pref(\"network.proxy.socks_port\", $PORT);" >> "$PREFS_FILE"
    echo 'user_pref("network.proxy.socks_remote_dns", true);' >> "$PREFS_FILE"
fi


# PORCODIO
VERS=$(curl -s "https://api.github.com/repos/gorhill/uBlock/releases/latest" | jq -r .tag_name | sed 's/..$//')
mkdir -p $PROFILE_DIR/extensions
cd /$PROFILE_DIR/extensions 
# Scarica ublock Origin
wget -q https://github.com/gorhill/uBlock/releases/download/$VERS.1b7/uBlock0_$VERS.1b7.firefox.signed.xpi
# Compila il manifest.json
cat <<EOL > $PROFILE_DIR/extensions/manifest.json
{
  "manifest_version": 2,
  "name": "uBlock Origin",
  "version": "$VERS.1b7",
  "applications": {
    "gecko": {
      "id": "uBlock0@raymondhill.net"
    }
  }
}
EOL


echo -e '\nfirefox -no-remote -P "socks5-'$PORT'"\n'

# Avvia Firefox con quel profilo
firefox -no-remote -P "socks5-$PORT" > /dev/null 2>&1 &