mirror of
https://github.com/simple-login/app.git
synced 2024-09-28 20:51:29 +02:00
commit
5fe48e4821
@ -1335,6 +1335,12 @@ class EmailLog(db.Model, ModelMixin):
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db.ForeignKey("refused_email.id", ondelete="SET NULL"), nullable=True
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)
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# in forward phase, this is the mailbox that will receive the email
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# in reply phase, this is the mailbox (or a mailbox's authorized address) that sends the email
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mailbox_id = db.Column(
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db.ForeignKey("mailbox.id", ondelete="cascade"), nullable=True
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)
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# in case of bounce, record on what mailbox the email has been bounced
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# useful when an alias has several mailboxes
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bounced_mailbox_id = db.Column(
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@ -1345,6 +1351,7 @@ class EmailLog(db.Model, ModelMixin):
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forward = db.relationship(Contact)
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contact = db.relationship(Contact, backref="email_logs")
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mailbox = db.relationship("Mailbox", lazy="joined", foreign_keys=[mailbox_id])
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def bounced_mailbox(self) -> str:
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if self.bounced_mailbox_id:
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131
email_handler.py
131
email_handler.py
@ -126,7 +126,6 @@ from server import create_app, create_light_app
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_DIRECTION = "X-SimpleLogin-Type"
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_IP_HEADER = "X-SimpleLogin-Client-IP"
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_MAILBOX_ID_HEADER = "X-SimpleLogin-Mailbox-ID"
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_EMAIL_LOG_ID_HEADER = "X-SimpleLogin-EmailLog-ID"
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_MESSAGE_ID = "Message-ID"
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_ENVELOPE_FROM = "X-SimpleLogin-Envelope-From"
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@ -531,13 +530,11 @@ def handle_forward(envelope, msg: Message, rcpt_to: str) -> List[Tuple[bool, str
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contact = get_or_create_contact(msg["From"], envelope.mail_from, alias)
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email_log = EmailLog.create(contact_id=contact.id, user_id=contact.user_id)
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db.session.commit()
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if not alias.enabled:
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LOG.d("%s is disabled, do not forward", alias)
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email_log.blocked = True
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EmailLog.create(
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contact_id=contact.id, user_id=contact.user_id, blocked=True, commit=True
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)
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db.session.commit()
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# do not return 5** to allow user to receive emails later when alias is enabled
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return [(True, "250 Message accepted for delivery")]
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@ -560,7 +557,6 @@ def handle_forward(envelope, msg: Message, rcpt_to: str) -> List[Tuple[bool, str
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forward_email_to_mailbox(
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alias,
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copy(msg),
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email_log,
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contact,
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envelope,
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mailbox,
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@ -574,7 +570,6 @@ def handle_forward(envelope, msg: Message, rcpt_to: str) -> List[Tuple[bool, str
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def forward_email_to_mailbox(
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alias,
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msg: Message,
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email_log: EmailLog,
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contact: Contact,
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envelope,
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mailbox,
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@ -588,7 +583,7 @@ def forward_email_to_mailbox(
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# sanity check: make sure mailbox is not actually an alias
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if get_email_domain_part(alias.email) == get_email_domain_part(mailbox.email):
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LOG.warning(
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LOG.exception(
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"Mailbox has the same domain as alias. %s -> %s -> %s",
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contact,
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alias,
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@ -619,6 +614,10 @@ def forward_email_to_mailbox(
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# so when user fixes the mailbox, the email can be delivered
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return False, "421 SL E14"
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email_log = EmailLog.create(
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contact_id=contact.id, user_id=user.id, mailbox_id=mailbox.id, commit=True
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)
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# Spam check
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spam_status = ""
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is_spam = False
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@ -694,7 +693,6 @@ def forward_email_to_mailbox(
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delete_header(msg, "Sender")
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delete_header(msg, _IP_HEADER)
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add_or_replace_header(msg, _MAILBOX_ID_HEADER, str(mailbox.id))
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add_or_replace_header(msg, _EMAIL_LOG_ID_HEADER, str(email_log.id))
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add_or_replace_header(msg, _MESSAGE_ID, make_msgid(str(email_log.id), EMAIL_DOMAIN))
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add_or_replace_header(msg, _ENVELOPE_FROM, envelope.mail_from)
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@ -847,7 +845,10 @@ def handle_reply(envelope, msg: Message, rcpt_to: str) -> (bool, str):
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return True, "250 SL E11"
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email_log = EmailLog.create(
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contact_id=contact.id, is_reply=True, user_id=contact.user_id
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contact_id=contact.id,
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is_reply=True,
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user_id=contact.user_id,
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mailbox_id=mailbox.id,
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)
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# Spam check
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@ -956,7 +957,6 @@ def handle_reply(envelope, msg: Message, rcpt_to: str) -> (bool, str):
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msg["Date"] = date_header
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msg[_DIRECTION] = "Reply"
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msg[_MAILBOX_ID_HEADER] = str(mailbox.id)
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msg[_EMAIL_LOG_ID_HEADER] = str(email_log.id)
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LOG.d(
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@ -1150,6 +1150,10 @@ def handle_unknown_mailbox(
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def handle_bounce(contact: Contact, alias: Alias, msg: Message, user: User):
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"""
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Handle bounce that is sent to the reverse-alias
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Happens when an email cannot be to a mailbox
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"""
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disable_alias_link = f"{URL}/dashboard/unsubscribe/{alias.id}"
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# Store the bounced email
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@ -1160,8 +1164,7 @@ def handle_bounce(contact: Contact, alias: Alias, msg: Message, user: User):
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s3.upload_email_from_bytesio(full_report_path, BytesIO(to_bytes(msg)), random_name)
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file_path = None
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mailbox = None
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email_log: EmailLog = None
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orig_msg = get_orig_message_from_bounce(msg)
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if not orig_msg:
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# Some MTA does not return the original message in bounce message
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@ -1176,37 +1179,6 @@ def handle_bounce(contact: Contact, alias: Alias, msg: Message, user: User):
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else:
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file_path = f"refused-emails/{random_name}.eml"
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s3.upload_email_from_bytesio(file_path, BytesIO(to_bytes(msg)), random_name)
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try:
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mailbox_id = int(orig_msg[_MAILBOX_ID_HEADER])
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except TypeError:
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LOG.warning(
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"cannot parse mailbox from original message header %s",
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orig_msg[_MAILBOX_ID_HEADER],
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)
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else:
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mailbox = Mailbox.get(mailbox_id)
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if not mailbox or mailbox.user_id != user.id:
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LOG.exception(
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"Tampered message mailbox_id %s, %s, %s, %s %s",
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mailbox_id,
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user,
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alias,
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contact,
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full_report_path,
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)
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# cannot use this tampered mailbox, reset it
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mailbox = None
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# try to get the original email_log
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try:
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email_log_id = int(orig_msg[_EMAIL_LOG_ID_HEADER])
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except TypeError:
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LOG.warning(
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"cannot parse email log from original message header %s",
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orig_msg[_EMAIL_LOG_ID_HEADER],
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)
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else:
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email_log = EmailLog.get(email_log_id)
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refused_email = RefusedEmail.create(
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path=file_path, full_report_path=full_report_path, user_id=user.id
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@ -1214,46 +1186,32 @@ def handle_bounce(contact: Contact, alias: Alias, msg: Message, user: User):
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db.session.flush()
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LOG.d("Create refused email %s", refused_email)
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if not mailbox:
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LOG.debug("Try to get mailbox from bounce report")
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try:
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mailbox_id = int(get_header_from_bounce(msg, _MAILBOX_ID_HEADER))
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except Exception:
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LOG.warning("cannot get mailbox-id from bounce report, %s", refused_email)
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else:
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mailbox = Mailbox.get(mailbox_id)
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if not mailbox or mailbox.user_id != user.id:
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LOG.exception(
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"Tampered message mailbox_id %s, %s, %s, %s %s",
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mailbox_id,
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user,
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alias,
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contact,
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full_report_path,
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)
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mailbox = None
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# try to parse email_log
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email_log = None
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try:
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email_log_id = int(get_header_from_bounce(msg, _EMAIL_LOG_ID_HEADER))
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except Exception:
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LOG.warning("cannot get email log id from bounce report, %s", refused_email)
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else:
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email_log = EmailLog.get(email_log_id)
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if not email_log:
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LOG.d("Try to get email log from bounce report")
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try:
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email_log_id = int(get_header_from_bounce(msg, _EMAIL_LOG_ID_HEADER))
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except Exception:
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LOG.warning("cannot get email log id from bounce report, %s", refused_email)
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else:
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email_log = EmailLog.get(email_log_id)
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# use the default mailbox as the last option
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if not mailbox:
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LOG.warning("Use %s default mailbox %s", alias, refused_email)
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mailbox = alias.mailbox
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# create a new email log as the last option
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# create new email_log if unable to parse from bounce report
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if not email_log:
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LOG.warning("cannot get the original email_log, create a new one")
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email_log: EmailLog = EmailLog.create(
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contact_id=contact.id, user_id=contact.user_id
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)
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# try to get mailbox
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mailbox = None
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if email_log:
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mailbox = email_log.mailbox
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# use the default mailbox if unable to parse from bounce report
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if not mailbox:
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LOG.warning("Use %s default mailbox %s", alias, refused_email)
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mailbox = alias.mailbox
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email_log.bounced = True
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email_log.refused_email_id = refused_email.id
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email_log.bounced_mailbox_id = mailbox.id
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@ -1379,20 +1337,11 @@ def handle_bounce_reply_phase(alias: Alias, msg: Message, user: User):
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email_log.bounced = True
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email_log.refused_email_id = refused_email.id
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db.session.commit()
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try:
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mailbox_id = int(get_header_from_bounce(msg, _MAILBOX_ID_HEADER))
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except Exception:
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LOG.warning(
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"cannot parse mailbox from bounce message report %s %s", alias, user
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)
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# fall back to the default mailbox
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mailbox = alias.mailbox
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else:
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mailbox = Mailbox.get(mailbox_id)
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email_log.bounced_mailbox_id = mailbox.id
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db.session.commit()
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mailbox = email_log.mailbox or alias.mailbox
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email_log.bounced_mailbox_id = mailbox.id
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db.session.commit()
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refused_email_url = (
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URL + f"/dashboard/refused_email?highlight_id=" + str(email_log.id)
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31
migrations/versions/2020_112416_623662ea0e7e_.py
Normal file
31
migrations/versions/2020_112416_623662ea0e7e_.py
Normal file
@ -0,0 +1,31 @@
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"""empty message
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Revision ID: 623662ea0e7e
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Revises: d1edb3cadec8
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Create Date: 2020-11-24 16:34:02.327556
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"""
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import sqlalchemy_utils
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '623662ea0e7e'
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down_revision = 'd1edb3cadec8'
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column('email_log', sa.Column('mailbox_id', sa.Integer(), nullable=True))
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op.create_foreign_key(None, 'email_log', 'mailbox', ['mailbox_id'], ['id'], ondelete='cascade')
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, 'email_log', type_='foreignkey')
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op.drop_column('email_log', 'mailbox_id')
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# ### end Alembic commands ###
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