Files
cloudflare_temp_email/smtp_proxy_server/parse_email.py

64 lines
1.9 KiB
Python

import datetime
import json
import logging
import email
from email.header import Header
from email.message import Message
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from models import EmailModel
_logger = logging.getLogger(__name__)
_logger.setLevel(logging.INFO)
def get_email_model(msg: Message):
subparts = [
get_email_model(subpart)
for subpart in msg.get_payload()
] if msg.is_multipart() else []
body = "" if msg.is_multipart() else msg._payload
return EmailModel(
headers={k: v for k, v in msg.items()},
body=body,
content_type=msg.get_content_type(),
size=len(body) + sum(subpart.size for subpart in subparts),
subparts=subparts,
)
def parse_email(raw: str) -> EmailModel:
try:
msg = email.message_from_string(raw)
return get_email_model(msg)
except Exception as e:
_logger.error(f"Could not parse email: {e}")
return EmailModel(
headers={},
body="could not parse email",
content_type="text/plain",
size=len("could not parse email"),
subparts=[],
)
def generate_email_model(item: dict) -> EmailModel:
email_json = json.loads(item["raw"])
message = MIMEMultipart()
message['From'] = f"{email_json["from"]['name']} <{
email_json["from"]['email']}>"
message['To'] = ", ".join(
[f"{to['name']} <{to['email']}>" for to in email_json["personalizations"][0]["to"]])
message['Subject'] = email_json["subject"]
message["Date"] = datetime.datetime.strptime(
item["created_at"], "%Y-%m-%d %H:%M:%S"
).strftime("%a, %d %b %Y %H:%M:%S +0000")
message.attach(MIMEText(
email_json["content"][0]["value"],
"html" if "html" in email_json["content"][0]["type"] else "plain"
))
return parse_email(message.as_string())