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fix: auto-add decode From header #6

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Leon
2025-08-07 17:44:29 +02:00
parent b5357b0a21
commit 4a81c5e2a6
2 changed files with 38 additions and 1 deletions
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4
backend/app/services/email_processor.py
View File

@@ -148,7 +148,9 @@ def _auto_add_newsletter(
) -> Newsletter:
"""Automatically add a new newsletter."""
logger.info(f"Auto-adding new newsletter for sender: {sender}")
newsletter_name = email.utils.parseaddr(msg["From"])[0] or sender
# Decode the 'From' header to handle non-ASCII characters in the sender's name
from_header = str(make_header(decode_header(msg.get("From", ""))))
newsletter_name = email.utils.parseaddr(from_header)[0] or sender
new_newsletter_schema = NewsletterCreate(
name=newsletter_name,
sender_emails=[sender],

35
backend/app/tests/test_email_processor.py
View File

@@ -120,3 +120,38 @@ def test_process_single_email_with_content_extraction(
assert entry_create_arg.body == "Extracted Body"
# Subject should still come from the email, not the extracted title
assert entry_create_arg.subject == "Test Email"
def test_process_single_email_with_encoded_from_header(db_session: Session):
"""Test that an encoded From header is correctly decoded for the newsletter name."""
# 1. ARRANGE
settings_data = SettingsCreate(
imap_server="test.com",
imap_username="test",
imap_password="password",
auto_add_new_senders=True,
)
settings = create_or_update_settings(db_session, settings_data)
mock_mail = MagicMock(spec=imaplib.IMAP4_SSL)
msg = Message()
# "Кирилл" in Cyrillic, base64 encoded for UTF-8
from_header = "=?utf-8?B?0JrQuNGA0LjQu9C7?= <test@example.com>"
msg["From"] = from_header
msg["Subject"] = "Test Email"
msg["Message-ID"] = "<test-message-id-encoded-from>"
msg.set_payload("<html><body><p>Body</p></body></html>", "utf-8")
mock_mail.fetch.return_value = ("OK", [(b"1 (RFC822)", msg.as_bytes())])
sender_map = {} # empty, to trigger auto-add
# 2. ACT
_process_single_email("1", mock_mail, db_session, sender_map, settings)
# 3. ASSERT
from app.crud.newsletters import get_newsletters
newsletters = get_newsletters(db_session)
assert len(newsletters) == 1
assert newsletters[0].name == "Кирилл"
assert newsletters[0].senders[0].email == "test@example.com"