From 4d342548fac2df88c7550932a29b0e2d702665bd Mon Sep 17 00:00:00 2001
From: pucherot <pucherot@users.noreply.github.com>
Date: Sun, 11 Apr 2021 11:22:14 +0200
Subject: [PATCH] Uninstall script

---
 install/pialert_uninstall.sh | 195 +++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 install/pialert_uninstall.sh

diff --git a/install/pialert_uninstall.sh b/install/pialert_uninstall.sh
new file mode 100644
index 00000000..1631ab42
--- /dev/null
+++ b/install/pialert_uninstall.sh
@@ -0,0 +1,195 @@
+#!/bin/bash
+# ------------------------------------------------------------------------------
+#  Pi.Alert
+#  Open Source Network Guard / WIFI & LAN intrusion detector 
+#
+#  pialert_uninstall.sh - Uninstallation script
+# ------------------------------------------------------------------------------
+#  Puche 2021        pi.alert.application@gmail.com        GNU GPLv3
+# ------------------------------------------------------------------------------
+
+# ------------------------------------------------------------------------------
+# Variables
+# ------------------------------------------------------------------------------
+  COLS=70
+  ROWS=12
+  
+  INSTALL_DIR=~
+  PIALERT_HOME="$INSTALL_DIR/pialert"
+  
+  LIGHTTPD_CONF_DIR="/etc/lighttpd"
+  WEBROOT="/var/www/html"
+  
+  LOG=/dev/null
+
+# ------------------------------------------------------------------------------
+# Main
+# ------------------------------------------------------------------------------
+main() {
+  print_superheader "Pi.Alert Uninstallation"
+  log "`date`"
+  log "Logfile: $LOG"
+
+  # Ask uninstallation
+  ask_yesno "This script will uninstall Pi.Alert from this system. Installation path:\n$PIALERT_HOME" \
+            "Do you want to continue ?"
+  if ! $ANSWER ; then
+    exit 1
+  fi
+
+  msgbox "" "The uninstallation will start now"
+
+  # Uninstall prrocess
+#  sudo rm -r "$PIALERT_HOME"
+#  sudo rm "$LIGHTTPD_CONF_DIR/pialert"
+#  sudo rm "$LIGHTTPD_CONF_DIR/conf-available/pialert_front.conf"
+#  sudo rm "$LIGHTTPD_CONF_DIR/conf-enabled/pialert_front.conf"
+#  sudo rm -r /var/cache/lighttpd/compress/pialert
+
+  # Uninstall crontab jobs
+#  crontab -l 2>/dev/null | sed '/pialert.py/d' | sed ':a;N;$!ba;s/#-------------------------------------------------------------------------------\n#  Pi.Alert\n#  Open Source Network Guard \/ WIFI & LAN intrusion detector \n#\n#  pialert.cron - Back module. Crontab jobs\n#-------------------------------------------------------------------------------\n#  Puche 2021        pi.alert.application@gmail.com        GNU GPLv3\n#-------------------------------------------------------------------------------//g' | crontab -
+
+  # final message
+  print_header "Uninstallation process finished"
+  print_msg "Note that if you installed Pi-hole during the Pi.Alert installation process, Pi-hole will still be available after uninstalling Pi.Alert"
+  print_msg "lighttpd, PHP, arp-scan & Python have not been uninstalled. They may be required by other software"
+  print_msg "You can uninstall them manually with apt-get"
+}
+
+
+# ------------------------------------------------------------------------------
+# ASK
+# ------------------------------------------------------------------------------
+msgbox() {
+  LINE1=$(printf "%*s" $(((${#1}+$COLS-5)/2)) "$1")
+  LINE2=$(printf "%*s" $(((${#2}+$COLS-5)/2)) "$2")
+
+  END_DIALOG=false
+  while ! $END_DIALOG ; do
+    whiptail --title "Pi.Alert Installation" --msgbox "$LINE1\\n\\n$LINE2" $ROWS $COLS
+    BUTTON=$?
+    ask_cancel
+    ANSWER=true
+  done
+}
+
+ask_yesno() {
+  LINE1=$(printf "%*s" $(((${#1}+$COLS-5)/2)) "$1")
+  LINE2=$(printf "%*s" $(((${#2}+$COLS-5)/2)) "$2")
+
+  if [ "$3" = "YES" ]; then
+    DEF_BUTTON=""
+  else
+    DEF_BUTTON="--defaultno"
+  fi
+
+  END_DIALOG=false
+  while ! $END_DIALOG ; do
+    whiptail --title "Pi.Alert Installation" --yesno $DEF_BUTTON "$LINE1\\n\\n$LINE2" $ROWS $COLS
+    BUTTON=$?
+    ask_cancel
+  done
+
+  if [ "$BUTTON" = "0" ] ; then
+    ANSWER=true
+  else
+    ANSWER=false
+  fi
+}
+
+ask_option() {
+  MENU_ARGS=("$@")
+  MENU_ARGS=("${MENU_ARGS[@]:1}")
+
+  END_DIALOG=false
+  while ! $END_DIALOG ; do
+    ANSWER=$(whiptail --title "Pi.Alert Installation" --menu "$1" $ROWS $COLS "${MENU_ARGS[@]}"  3>&2 2>&1 1>&3 )
+    BUTTON=$?
+    ask_cancel CANCEL
+  done
+}
+
+ask_input() {
+  LINE1=$(printf "%*s" $(((${#1}+$COLS-5)/2)) "$1")
+  LINE2=$(printf "%*s" $(((${#2}+$COLS-5)/2)) "$2")
+
+  END_DIALOG=false
+  while ! $END_DIALOG ; do
+    ANSWER=$(whiptail --title "Pi.Alert Installation" --inputbox "$LINE1\\n\\n$LINE2" $ROWS $COLS "$3" 3>&2 2>&1 1>&3 )
+    BUTTON=$?
+    ask_cancel CANCEL
+
+    if $END_DIALOG && [ "$ANSWER" = "" ] ; then
+      msgbox "" "You must enter a value"
+      END_DIALOG=false
+    fi
+  done
+}
+
+ask_cancel() {
+  LINE0="Do you want to cancel the installation process"
+  LINE0=$(printf "\n\n%*s" $(((${#LINE0}+$COLS-5)/2)) "$LINE0")
+
+  if [ "$BUTTON" = "1" ] && [ "$1" = "CANCEL" ] ; then BUTTON="255"; fi
+
+  if [ "$BUTTON" = "255" ] ; then
+    whiptail --title "Pi.Alert Installation" --yesno --defaultno "$LINE0" $ROWS $COLS
+
+    if [ "$?" = "0" ] ; then
+      process_error "Installation Aborted by User"
+    fi
+  else
+    END_DIALOG=true
+  fi
+}
+
+# ------------------------------------------------------------------------------
+# Log
+# ------------------------------------------------------------------------------
+log() {
+  echo "$1" | tee -a "$LOG"
+}
+
+log_no_screen () {
+  echo "$1" >> "$LOG"
+}
+
+log_only_screen () {
+  echo "$1"
+}
+
+print_msg() {
+  log_no_screen ""
+  log "$1"
+}
+
+print_superheader() {
+  log ""
+  log "############################################################"
+  log " $1"
+  log "############################################################"  
+}
+
+print_header() {
+  log ""
+  log "------------------------------------------------------------"
+  log " $1"
+  log "------------------------------------------------------------"
+}
+
+process_error() {
+  log ""
+  log "************************************************************"
+  log "************************************************************"
+  log "**            ERROR UNINSTALLING PI.ALERT                 **"
+  log "************************************************************"
+  log "************************************************************"
+  log ""
+
+  # msgbox "****** ERROR UNINSTALLING Pi.ALERT ******" "$1"
+  exit 1
+}
+
+# ------------------------------------------------------------------------------
+  main
+  exit 0