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opt / cloudlinux / venv / lib / python3.11 / site-packages / clcommon /

?? ..
?? __init__.py(1.37 KB)
?? __pycache__
?? clcagefs.py(10.99 KB)
?? clcaptain.py(1.96 KB)
?? clconfig.py(1.68 KB)
?? clconfpars.py(12.09 KB)
?? clcustomscript.py(1.16 KB)
?? cldebug.py(905 B)
?? clemail.py(1.65 KB)
?? clexception.py(1.14 KB)
?? clfunc.py(6.47 KB)
?? clhook.py(3.86 KB)
?? cllog.py(1.45 KB)
?? cloutput.py(471 B)
?? clproc.py(4.05 KB)
?? clpwd.py(7.74 KB)
?? clquota.py(1.27 KB)
?? clsec.py(657 B)
?? clwpos_lib.py(16.6 KB)
?? const.py(277 B)
?? cpapi
?? evr_utils.py(3.55 KB)
?? features.py(5.01 KB)
?? group_info_reader.py(5.29 KB)
?? lib
?? lock.py(1.02 KB)
?? mail_helper.py(4.45 KB)
?? mysql_lib.py(5.84 KB)
?? php_conf_reader.py(9.77 KB)
?? public_hooks
?? sysctl.py(7.61 KB)
?? ui_config.py(3.12 KB)
?? utils.py(32.91 KB)
?? utils_cmd.py(2.71 KB)

Editing: mail_helper.py

# -*- coding: utf-8 -*-

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2023 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#

import email.utils
import logging
import os
import smtplib
import subprocess
from email.mime import base as mime_base, multipart
from logging.handlers import SysLogHandler
from typing import Optional

from _socket import error as socketerror

__author__ = "Aleksandr Shyshatsky"

class MailSendFailed(Exception):
    pass

class MailHelper:
    """Common class to send emails via local smtp or sendmail"""

def __init__(self):
        if not logging.root.handlers:
            if os.path.exists('/dev/log'):
                SYS_LOG = SysLogHandler(address='/dev/log', facility=SysLogHandler.LOG_DAEMON)
                logging.root.addHandler(SYS_LOG)
                formatter_sys = logging.Formatter(fmt='mail_helper: (%(name)s) [%(levelname)s] %(message)s')
                SYS_LOG.setFormatter(formatter_sys)  # write in system log only ERROR-s and FATALLERROR-s
                SYS_LOG.setLevel(logging.ERROR)
            else:
                logging.basicConfig()
        self._log = logging.getLogger()

def _sendmail_console(self, msg: mime_base.MIMEBase, encoding_name: Optional[str] = None):
        """
        Alternative function that should be called
        when we cannot send email via smtp
        :type msg: email.mime.base.MIMEBase
        :type encoding_name: encoding name to encode message text
        """
        try:
            if encoding_name:
                s_message = msg.as_string().encode(encoding_name)
            else:
                s_message = msg.as_string()
            cmd = ["/usr/sbin/sendmail", "-t", "-oi"]
            with subprocess.Popen(
                cmd,
                stdin=subprocess.PIPE,
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE,
                text=True
            ) as proc:
                stdout = proc.communicate(s_message)[0]
                if proc.returncode != 0:
                    raise subprocess.CalledProcessError(proc.returncode, cmd, stdout)

except (OSError, subprocess.CalledProcessError) as ex:
            raise MailSendFailed(str(ex)) from ex

def _sendmail_smtp(self, from_addr, to_addrs, msg, encoding_name: Optional[str] = None):
        """
        Send email using smtp protocol;
        :type from_addr: str
        :type to_addrs: List[str]
        :type msg: email.mime.base.MIMEBase
        :type encoding_name: encoding name to encode message text
        """
        try:
            smtp_instance = smtplib.SMTP('localhost')
            if encoding_name:
                s_message = msg.as_string().encode(encoding_name)
            else:
                s_message = msg.as_string()
            smtp_instance.sendmail(from_addr, to_addrs, s_message)
            smtp_instance.quit()
        except (smtplib.SMTPException, socketerror) as ex:
            raise MailSendFailed(str(ex)) from ex

def _add_message_id(self, from_addr: str, msg: multipart.MIMEMultipart):
        """Add Message-ID to message if it is missing
        :type from_addr: str
        :type msg: multipart.MIMEMultipart
        """
        if not msg['Message-ID']:
            msg['Message-ID'] = email.utils.make_msgid(domain=from_addr.split('@')[-1])
            self._log.debug('Added Message-ID: %s', msg['Message-ID'])

def sendmail(self, from_addr, to_addrs, msg, encoding_name: Optional[str] = None):
        """
        Try to send message using local smtp;
        If that can't be done - try to use /usr/sbin/sendmail;
        :type from_addr: str
        :type to_addrs: List[str]
        :type msg: multipart.MIMEMultipart
        :type encoding_name: Optional[str] encoding name to encode message text
        """
        self._log.debug("Trying to send mail with params: %s, %s, %s", from_addr, to_addrs, msg)
        self._add_message_id(from_addr, msg)
        try:
            self._sendmail_smtp(from_addr, to_addrs, msg, encoding_name)
        except MailSendFailed as smtp_exception:
            self._log.debug("Smtp send failed, trying to send via sendmail")
            try:
                self._sendmail_console(msg)
            except MailSendFailed:
                self._log.exception("Cannot send email neither via smtp nor using sendmail; "
                                    "Please, check your mail server configuration")
                self._log.error(str(smtp_exception))

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Editing: mail_helper.py

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