ip2e-daemon.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# --------------------------------------------------------------
# ip2e (IP to email) - Run ip2e daemon.                        |
# Created by q3aql (q3aql@protonmail.ch)                       |
# Licensed by GPL v.3                                          |
# Last update: 03-04-2021                                      |
#                                                              |
# Compatible with Python 3.x                                   |
# --------------------------------------------------------------
version="1.3.2"

#Import python-modules
import urllib
import urllib.request
import os
import sys
import time
import smtplib
import random

#Check if your system use Python 3.x
if sys.version_info<(3,0):
  print ("")
  print ("You need python 3.x to run this program.")
  print ("")
  exit()

#Function to clear screen
def ClearScreen():
  if sys.platform == "cygwin":
    print (300 * "\n")
  elif os.name == "posix":
    os.system("clear")
  elif os.name == "nt":
    os.system("cls")
  else:
    print ("Error: Unable clear screen")
					
#Detect system & PATH of user folder
if os.path.exists("/storage/sdcard0"):
  HOMESCARD0="/storage/sdcard0/Android/data"
  os.chdir(HOMESCARD0)
  LogFile=HOMESCARD0+"/ip2e/ip2e.log"
  LockFile=HOMESCARD0+"/ip2e/ip2e.lock"
  print ("Android (Posix) detected")
elif os.name == "posix":
  os.chdir(os.environ["HOME"])
  LogFile=os.environ["HOME"]+"/.ip2e/ip2e.log"
  LockFile=os.environ["HOME"]+"/.ip2e/ip2e.lock"
  print ("Unix (Posix) detected")
elif os.name == "nt":
  os.chdir(os.environ["USERPROFILE"])
  LogFile=os.environ["USERPROFILE"]+"\\.ip2e\\ip2e.log"
  LockFile=os.environ["USERPROFILE"]+"\\.ip2e\\ip2e.lock"
  print ("Windows detected")

if not os.path.exists(".ip2e"):
  os.makedirs(".ip2e")
  os.chdir(".ip2e")
if os.path.exists(".ip2e"):
  os.chdir(".ip2e")

#Check if exists 'ip2e.conf'
if os.path.isfile("ip2e.conf"):
  print ("ip2e.conf exists")
else:
  ClearScreen()
  print ("")
  print ("* The configuration file doesn't exist")
  print ("")
  print ("* You can create it if you run 'ip2e-config.py'")
  print ("")
  PauseExit=input("+ Press ENTER to exit ")
  exit()

#Check if exists 'IP.log'
if os.path.isfile("IP.log"):
  print ("IP.log exists")
else:
  print ("IP.log created")
  ip2eIPcf=open('IP.log','w')
  ip2eIPcf.close()
  ip2eIPcf=open('IP.log','a')
  ip2eIPcf.write('0.0.0.0')
  ip2eIPcf.close()

#Import variables from ip2e.conf
exec(open("ip2e.conf").read())

#Import native OS color scheme
try:
  def GreenColor():
    if os.name == "posix":
      GreenColor = (chr(27)+"[1;32m")
      print (GreenColor+"", end="")
    elif os.name == "nt":
      os.system("color 2")
  def RedColor():
    if os.name == "posix":
      RedColor = (chr(27)+"[1;31m")
      print (RedColor+"", end="")
    elif os.name == "nt":
      os.system("color 4")
  def OrangeColor():
    if os.name == "posix":
      OrangeColor = (chr(27)+"[1;33m")
      print (OrangeColor+"", end="")
    elif os.name == "nt":
      os.system("color 6")
  def EndColor():
    if os.name == "posix":
      EndColor = (chr(27)+"[0m")
      print (EndColor+"", end="")
    elif os.name == "nt":
      print ("", end="")		
except:
  print ("")
  print ("* Error importing native color scheme")
  print ("")
  PauseExit=input("+ Press ENTER to exit ")
  exit()

#Check if ip2e-daemon is running.
if os.path.isfile("ip2e.lock"):
  readLock=open('ip2e.lock', 'r')
  LockN=readLock.read()
  readLock.close()
  ClearScreen()
  print ("Checking "+LockFile+"...")
  time.sleep(4)
  readLock2=open('ip2e.lock', 'r')
  LockN2=readLock2.read()
  readLock2.close()
  if LockN != LockN2:
    ClearScreen()
    print ("")
    print ("* ip2e-daemon is already running.")
    print ("")
    PauseExit=input("+ Press ENTER to exit ")
    exit()
if not os.path.isfile("ip2e.lock"):
  createLock=open('ip2e.lock','w')
  createLock.write(str(random.randrange(135790)))
  createLock.close()

#Function to lock process.
def LockProcess():
  createLock=open('ip2e.lock','w')
  createLock.write(str(random.randrange(135790)))
  createLock.close()

#Function to sleep 'N' seconds.
def TimeSleep(N):
  Time=1
  while Time < N:
    createLock=open('ip2e.lock','w')
    createLock.write(str(random.randrange(135790)))
    createLock.close()
    time.sleep(1)
    Time=Time + 1		

#Check if exists a previous log.file
if os.path.isfile("ip2e.log"):
  createlog=open('ip2e.log','w')
  createlog.close()

#Run ip2e daemon
ClearScreen()
LockProcess()
editlog=open('ip2e.log','a')
CurrentTime = time.strftime("%H:%M")
GreenColor()
print ("[ip2e-daemon] ["+CurrentTime+"] Initialized ip2e-daemon v"+version+" (Ctrl+C to stop)")
print ("[ip2e-daemon] ["+CurrentTime+"] Log in "+LogFile)
EndColor()
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Initialized ip2e-daemon v"+version+"\n")
OrangeColor()
print ("[ip2e-daemon] ["+CurrentTime+"] Waiting 60 seconds...")
EndColor()
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Waiting 60 seconds...\n")
editlog.close()
TimeSleep(60)

PublicIP = 1
while PublicIP <= 2:
  GetCurrentIP = 1
  while GetCurrentIP <= 2:
    CurrentTime = time.strftime("%H:%M")
    LockProcess()
    OrangeColor()
    print ("[ip2e-daemon] ["+CurrentTime+"] IP Updating...")
    EndColor()
    editlog=open('ip2e.log','a')
    editlog.write("[ip2e-daemon] ["+CurrentTime+"] IP Updating...\n")
    #Check & get the new IP
    try:
      LockProcess()
      response = urllib.request.urlopen('http://icanhazip.com')
      #response = urllib.request.urlopen('http://ip.appspot.com/')
      #response = urllib.request.urlopen('http://ident.me')
      NewIPRaw = response.read()
      NewIP = NewIPRaw.strip().decode('utf-8')
      GetCurrentIP += 2
    except:
      CurrentTime = time.strftime("%H:%M")
      LockProcess()
      RedColor()
      print ("[ip2e-daemon] ["+CurrentTime+"] Error getting IP")
      print ("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...")
      EndColor()
      editlog.write("[ip2e-daemon] ["+CurrentTime+"] Error getting IP\n")
      editlog.write("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...\n")
      TimeSleep(10)
  #Read IP log file & get the current IP
  readfileIP=open('IP.log', 'r')
  CurrentIPRaw=readfileIP.read()
  CurrentIP=CurrentIPRaw.strip()
  readfileIP.close()
  LockProcess()
  #Check if the IP has been renewed
  if CurrentIP == NewIP:
    CurrentTime = time.strftime("%H:%M")
    LockProcess()
    GreenColor()
    print ("[ip2e-daemon] ["+CurrentTime+"] IP has not changed")
    EndColor()
    editlog.write("[ip2e-daemon] ["+CurrentTime+"] IP has not changed\n")
  else:
    CurrentTime = time.strftime("%H:%M")
    LockProcess()
    GreenColor()
    print ("[ip2e-daemon] ["+CurrentTime+"] New IP - From "+CurrentIP+" to "+NewIP)
    EndColor()
    editlog.write("[ip2e-daemon] ["+CurrentTime+"] New IP - From "+CurrentIP+" to "+NewIP+"\n")
    SendEmailOK = 1
    while SendEmailOK <= 2:
      LockProcess()
      CurrentTime = time.strftime("%H:%M")
      #Sending email using smtplib
      SmtpSubject = "[ip2e-daemon] ["+CurrentTime+"] IP has changed"
      SmtpHeader = "From: "+FromEmail+"\n"+"To: "+ToEmail+"\n"+"Subject: "+SmtpSubject+"\n"
      SmtpBodyMessage = SmtpHeader+"\n"+"[ip2e] New IP is "+NewIP+"\n\n"
      #Check sending errors
      try:
        server = smtplib.SMTP(SmtpFromEmail)
        server.ehlo()
        server.starttls()
        server.ehlo()
        server.login(FromEmailUser,FromEmailPass)
        server.sendmail(FromEmail, ToEmail, SmtpBodyMessage)
        server.quit()
        CurrentTime = time.strftime("%H:%M")
        MailMessage="[ip2e-daemon] ["+CurrentTime+"] Email was sent successfully"
        LockProcess()
        GreenColor()
        print (MailMessage+" ("+ToEmail+")")
        EndColor()
        editlog.write(MailMessage+" ("+ToEmail+")\n")
        SendEmailOK += 2
      except:
        CurrentTime = time.strftime("%H:%M")
        LockProcess()
        RedColor()
        print ("[ip2e-daemon] ["+CurrentTime+"] Failed to connect ("+SmtpFromEmail+")")
        print ("[ip2e-daemon] ["+CurrentTime+"] Check your settings or your connection")
        EndColor()
        editlog.write("[ip2e-daemon] ["+CurrentTime+"] Failed to connect ("+SmtpFromEmail+")\n")
        editlog.write("[ip2e-daemon] ["+CurrentTime+"] Check your settings or your connection\n")
        MailMessage="[ip2e-daemon] ["+CurrentTime+"] Failed to send email"
        RedColor()
        print (MailMessage+" ("+ToEmail+")")
        print ("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...")
        EndColor()
        editlog.write(MailMessage+" ("+ToEmail+")\n")
        editlog.write("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...\n")
        TimeSleep(10)
    #Remove the previous IP log file & create a new.
    ip2eIPcf=open('IP.log','w')
    ip2eIPcf.write(NewIP)
    ip2eIPcf.close()
  #Wait 10 minutes until the next checking
  CurrentTime = time.strftime("%H:%M")
  LockProcess()
  GreenColor()
  print ("[ip2e-daemon] ["+CurrentTime+"] Next update in 10 minutes...")
  EndColor()
  editlog.write("[ip2e-daemon] ["+CurrentTime+"] Next update in 10 minutes...\n")
  editlog.close()
  TimeSleep(600)