Receiver = itsm.getParameter('EmailTo')  ## Provide an Toemail address where the mail need to be sent.
Sender = itsm.getParameter('EmailFrom')  ## Provide the From Email address from which the mail to be send
Password = itsm.getParameter('Password')               ##Provide password for from email
MailFlag = itsm.getParameter('MailFlag')  # Provide mail flag 1 or 0 (1 - outlook, 0 - gmail). the datatype should be a int.

import os
import ctypes
import smtplib
import mimetypes
import socket
from email.mime.multipart import MIMEMultipart
from email.message import Message
from email.mime.text import MIMEText
from datetime import datetime, timedelta

cd = str(datetime.today().strftime(r"%Y-%m-%dT%H:%M:%S"))
twbd = (datetime.today() - timedelta(days=14)).strftime(r"%Y-%m-%dT00:00:00")

disk_warning='wevtutil qe System "/q:*[System [(EventID=153) and (Level=3) and TimeCreated[@SystemTime>=\'%s\' and @SystemTime<\'%s\']]]" /f:text'%(twbd,cd)
ntfs_error='wevtutil qe System "/q:*[System [(EventID=55) and (Level=1 or Level=2) and TimeCreated[@SystemTime>=\'%s\' and @SystemTime<\'%s\']]]" /f:text'%(twbd,cd)

Device=str(os.environ['COMPUTERNAME'])
ip = socket.gethostbyname(socket.gethostname())

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

def gmail(sender_email,password,receiver,disk_text,ntfs_text):
    msg = MIMEMultipart()
    msg["From"] = sender_email
    msg["To"] = receiver
    msg["Subject"] = "Event Log Details for disk warning and ntfs errors for the device-%s and IP-%s"%(Device,ip)
    disk_warning_attachment = MIMEText(disk_text, _subtype="plain")
    ntfs_error_attachment = MIMEText(ntfs_text, _subtype="plain")
    disk_warning_attachment.add_header('Content-Disposition', 'attachment', filename="%s_disk_warning_logs.txt"%(Device))
    ntfs_error_attachment.add_header('Content-Disposition', 'attachment', filename="%s_ntfs_error_logs.txt"%(Device))
    msg.attach(disk_warning_attachment)
    msg.attach(ntfs_error_attachment)
    if MailFlag:
        server = smtplib.SMTP("smtp.office365.com", 587)
    else:
        server = smtplib.SMTP("smtp.gmail.com", 587)
    server.starttls()
    server.login(sender_email,password)
    server.sendmail(sender_email, receiver, msg.as_string())
    server.quit()
    print("successfully sent the mail")

def EventLogs():
    with disable_file_system_redirection():
        disk_warning_logs = os.popen(disk_warning).read()
        ntfs_error_logs = os.popen(ntfs_error).read()

    if not disk_warning_logs:
        print("no event logs found for disk warning for the last 2 weeks")
        disk_warning_logs = "no event logs found for disk warning for the last 2 weeks"
    
    if not ntfs_error_logs:
        print("no event logs found for ntfs error for the last 2 weeks")
        ntfs_error_logs = "no event logs found for ntfs error for the last 2 weeks"
    
    gmail(Sender,Password,Receiver,disk_warning_logs,ntfs_error_logs)
EventLogs()