overleaf/user_tools/check_mailbox.py
2024-04-09 20:09:22 +02:00

63 lines
2.3 KiB
Python

import imaplib
import json
def check_mails(
config_file: str = "config.json", delete_mails: bool = False
) -> list[dict]:
result: list[dict] = []
with open(config_file, "r") as file:
setting: dict = json.load(file)
with imaplib.IMAP4_SSL(
host=setting["host"], port=setting["port"]
) as imap_connection:
imap_connection.login(user=setting["user"], password=setting["password"])
# open inbox
response_open = imap_connection.select(mailbox="INBOX", readonly=False)
assert response_open[0] == "OK"
assert response_open[1] is not None
assert response_open[1][0] is not None
number_of_emails: int = int(response_open[1][0])
if number_of_emails > 0:
# We want to find all mails in the INBOX
inbox_typ, inbox_data = imap_connection.search(None, "ALL")
assert inbox_typ == "OK"
# Browse through all emails
for mail_id in inbox_data[0].split(b" "):
assert mail_id is not None
# Get the next email for processing
email_typ, email_data = imap_connection.fetch(mail_id, "(RFC822)")
assert email_typ == "OK"
assert email_data is not None
assert email_data[0] is not None
assert email_data[0][1] is not None
field_from: str | None = None
field_to: str | None = None
field_subject: str | None = None
for segments in email_data[0][1].split(b"\r\n"): # type: ignore
if segments.startswith(b"From:"):
field_from = segments.decode("utf-8")[6:]
if segments.startswith(b"To:"):
field_to = segments.decode("utf-8")[4:]
if segments.startswith(b"Subject:"):
field_subject = segments.decode("utf-8")[9:]
item = {"from": field_from, "to": field_to, "subject": field_subject}
result.append(item)
if delete_mails:
imap_connection.store(mail_id, "+FLAGS", "\\Deleted")
# The trash is emptied
imap_connection.expunge()
# close inbox
imap_connection.close()
return result