seitime-frappe/frappe/email/smtp.py

135 lines
4.2 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import frappe
import smtplib
import email.utils
import _socket, sys
from frappe import _
from frappe.utils import cint, cstr, parse_addr
def send(email, append_to=None, retry=1):
"""Deprecated: Send the message or add it to Outbox Email"""
def _send(retry):
try:
smtpserver = SMTPServer(append_to=append_to)
# validate is called in as_string
email_body = email.as_string()
smtpserver.sess.sendmail(email.sender, email.recipients + (email.cc or []), email_body)
except smtplib.SMTPSenderRefused:
frappe.throw(_("Invalid login or password"), title='Email Failed')
raise
except smtplib.SMTPRecipientsRefused:
frappe.msgprint(_("Invalid recipient address"), title='Email Failed')
raise
except (smtplib.SMTPServerDisconnected, smtplib.SMTPAuthenticationError):
if not retry:
raise
else:
retry = retry - 1
_send(retry)
_send(retry)
class SMTPServer:
def __init__(self, login=None, password=None, server=None, port=None, use_tls=None, use_ssl=None, append_to=None):
# get defaults from mail settings
self._sess = None
self.email_account = None
self.server = None
self.append_emails_to_sent_folder = None
if server:
self.server = server
self.port = port
self.use_tls = cint(use_tls)
self.use_ssl = cint(use_ssl)
self.login = login
self.password = password
else:
self.setup_email_account(append_to)
def setup_email_account(self, append_to=None, sender=None):
from frappe.email.doctype.email_account.email_account import EmailAccount
self.email_account = EmailAccount.find_outgoing(match_by_doctype=append_to, match_by_email=sender)
if self.email_account:
self.server = self.email_account.smtp_server
self.login = (getattr(self.email_account, "login_id", None) or self.email_account.email_id)
if self.email_account.no_smtp_authentication or frappe.local.flags.in_test:
self.password = None
else:
self.password = self.email_account._password
self.port = self.email_account.smtp_port
self.use_tls = self.email_account.use_tls
self.sender = self.email_account.email_id
self.use_ssl = self.email_account.use_ssl_for_outgoing
self.append_emails_to_sent_folder = self.email_account.append_emails_to_sent_folder
self.always_use_account_email_id_as_sender = cint(self.email_account.get("always_use_account_email_id_as_sender"))
self.always_use_account_name_as_sender_name = cint(self.email_account.get("always_use_account_name_as_sender_name"))
@property
def sess(self):
"""get session"""
if self._sess:
return self._sess
# check if email server specified
if not getattr(self, 'server'):
err_msg = _('Email Account not setup. Please create a new Email Account from Setup > Email > Email Account')
frappe.msgprint(err_msg)
raise frappe.OutgoingEmailError(err_msg)
try:
if self.use_ssl:
if not self.port:
self.port = 465
self._sess = smtplib.SMTP_SSL((self.server or ""), cint(self.port))
else:
if self.use_tls and not self.port:
self.port = 587
self._sess = smtplib.SMTP(cstr(self.server or ""),
cint(self.port) or None)
if not self._sess:
err_msg = _('Could not connect to outgoing email server')
frappe.msgprint(err_msg)
raise frappe.OutgoingEmailError(err_msg)
if self.use_tls:
self._sess.ehlo()
self._sess.starttls()
self._sess.ehlo()
if self.login and self.password:
ret = self._sess.login(str(self.login or ""), str(self.password or ""))
# check if logged correctly
if ret[0]!=235:
frappe.msgprint(ret[1])
raise frappe.OutgoingEmailError(ret[1])
return self._sess
except smtplib.SMTPAuthenticationError as e:
from frappe.email.doctype.email_account.email_account import EmailAccount
EmailAccount.throw_invalid_credentials_exception()
except _socket.error as e:
# Invalid mail server -- due to refusing connection
frappe.throw(
_("Invalid Outgoing Mail Server or Port"),
exc=frappe.ValidationError,
title=_("Incorrect Configuration")
)
except smtplib.SMTPException:
frappe.msgprint(_('Unable to send emails at this time'))
raise