mirror of https://github.com/zulip/zulip.git
98 lines
3.5 KiB
Python
98 lines
3.5 KiB
Python
import logging
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from typing import List
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import configparser
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import smtplib
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from django.conf import settings
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from django.core.mail.backends.base import BaseEmailBackend
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from django.core.mail import EmailMultiAlternatives
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from django.template import loader
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def get_forward_address() -> str:
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config = configparser.ConfigParser()
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config.read(settings.FORWARD_ADDRESS_CONFIG_FILE)
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try:
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return config.get("DEV_EMAIL", "forward_address")
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except (configparser.NoSectionError, configparser.NoOptionError):
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return ""
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def set_forward_address(forward_address: str) -> None:
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config = configparser.ConfigParser()
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config.read(settings.FORWARD_ADDRESS_CONFIG_FILE)
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if not config.has_section("DEV_EMAIL"):
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config.add_section("DEV_EMAIL")
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config.set("DEV_EMAIL", "forward_address", forward_address)
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with open(settings.FORWARD_ADDRESS_CONFIG_FILE, "w") as cfgfile:
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config.write(cfgfile)
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class EmailLogBackEnd(BaseEmailBackend):
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def send_email_smtp(self, email: EmailMultiAlternatives) -> None:
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from_email = email.from_email
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to = get_forward_address()
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msg = MIMEMultipart('alternative')
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msg['Subject'] = email.subject
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msg['From'] = from_email
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msg['To'] = to
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text = email.body
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html = email.alternatives[0][0]
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# Here, we replace the email addresses used in development
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# with chat.zulip.org, so that web email providers like Gmail
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# will be able to fetch the illustrations used in the emails.
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localhost_email_images_base_uri = settings.ROOT_DOMAIN_URI + '/static/images/emails'
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czo_email_images_base_uri = 'https://chat.zulip.org/static/images/emails'
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html = html.replace(localhost_email_images_base_uri, czo_email_images_base_uri)
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msg.attach(MIMEText(text, 'plain'))
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msg.attach(MIMEText(html, 'html'))
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smtp = smtplib.SMTP(settings.EMAIL_HOST)
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smtp.starttls()
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smtp.login(settings.EMAIL_HOST_USER, settings.EMAIL_HOST_PASSWORD)
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smtp.sendmail(from_email, to, msg.as_string())
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smtp.quit()
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def log_email(self, email: EmailMultiAlternatives) -> None:
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"""Used in development to record sent emails in a nice HTML log"""
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html_message = 'Missing HTML message'
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if len(email.alternatives) > 0:
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html_message = email.alternatives[0][0]
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context = {
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'subject': email.subject,
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'from_email': email.from_email,
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'recipients': email.to,
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'body': email.body,
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'html_message': html_message
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}
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new_email = loader.render_to_string('zerver/email.html', context)
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# Read in the pre-existing log, so that we can add the new entry
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# at the top.
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try:
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with open(settings.EMAIL_CONTENT_LOG_PATH, "r") as f:
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previous_emails = f.read()
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except FileNotFoundError:
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previous_emails = ""
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with open(settings.EMAIL_CONTENT_LOG_PATH, "w+") as f:
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f.write(new_email + previous_emails)
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def send_messages(self, email_messages: List[EmailMultiAlternatives]) -> int:
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for email in email_messages:
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self.log_email(email)
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if get_forward_address():
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self.send_email_smtp(email)
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email_log_url = settings.ROOT_DOMAIN_URI + "/emails"
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logging.info("Emails sent in development are available at %s" % (email_log_url,))
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return len(email_messages)
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