Fix imap parsing non rfc compliant date crash (#93630)

* Fix imap parsing non rfc compliant date crash

* Use parsedate_to_datetime from mail.utils

homeassistant/components/imap/coordinator.py

@@ -5,6 +5,8 @@ import asyncio
 from collections.abc import Mapping
 from datetime import datetime, timedelta
 import email
+from email.header import decode_header, make_header
+from email.utils import parseaddr, parsedate_to_datetime
 import logging
 from typing import Any
 
@@ -82,9 +84,9 @@ class ImapMessage:
         """Get the email headers."""
         header_base: dict[str, tuple[str,]] = {}
         for key, value in self.email_message.items():
-            header: tuple[str,] = (str(value),)
-            if header_base.setdefault(key, header) != header:
-                header_base[key] += header  # type: ignore[assignment]
+            header_instances: tuple[str,] = (str(value),)
+            if header_base.setdefault(key, header_instances) != header_instances:
+                header_base[key] += header_instances  # type: ignore[assignment]
         return header_base
 
     @property
@@ -94,23 +96,26 @@ class ImapMessage:
         date_str: str | None
         if (date_str := self.email_message["Date"]) is None:
             return None
-        # In some cases a timezone or comment is added in parenthesis after the date
-        # We want to strip that part to avoid parsing errors
-        return datetime.strptime(
-            date_str.split("(")[0].strip(), "%a, %d %b %Y %H:%M:%S %z"
-        )
+        try:
+            mail_dt_tm = parsedate_to_datetime(date_str)
+        except ValueError:
+            _LOGGER.debug(
+                "Parsed date %s is not compliant with rfc2822#section-3.3", date_str
+            )
+            return None
+        return mail_dt_tm
 
     @property
     def sender(self) -> str:
         """Get the parsed message sender from the email."""
-        return str(email.utils.parseaddr(self.email_message["From"])[1])
+        return str(parseaddr(self.email_message["From"])[1])
 
     @property
     def subject(self) -> str:
         """Decode the message subject."""
-        decoded_header = email.header.decode_header(self.email_message["Subject"])
-        header = email.header.make_header(decoded_header)
-        return str(header)
+        decoded_header = decode_header(self.email_message["Subject"])
+        subject_header = make_header(decoded_header)
+        return str(subject_header)
 
     @property
     def text(self) -> str: