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refactor into a handle_dovecot_request function

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holger krekel
2024-03-07 10:33:43 +01:00
parent 42e50b089f
commit 4523c09738
1 changed files with 50 additions and 45 deletions
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95
chatmaild/src/chatmaild/metadata.py
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@@ -22,54 +22,59 @@ def handle_dovecot_protocol(rfile, wfile, tokens, requests_session, config: Conf
if not msg:
break
short_command = msg[0]
if short_command == "L":
wfile.write(b"N\n")
elif short_command == "S":
# See header of
# <https://github.com/dovecot/core/blob/5e7965632395793d9355eb906b173bf28d2a10ca/src/lib-storage/mailbox-attribute.h>
# for the documentation on the structure of the key.
res = handle_dovecot_request(msg, tokens, requests_session, config)
if res:
wfile.write(res.encode("ascii"))
wfile.flush()
# Request GETMETADATA "INBOX" /private/chatmail
# results in a query for
# priv/dd72550f05eadc65542a1200cac67ad7/chatmail
#
# Request GETMETADATA "" /private/chatmail
# results in
# priv/dd72550f05eadc65542a1200cac67ad7/vendor/vendor.dovecot/pvt/server/chatmail
parts = msg[1:].split("\t")
transaction_id = parts[0]
keyname = parts[1].split("/")
value = parts[2] if len(parts) > 2 else ""
if keyname[0] == "priv" and keyname[2] == "devicetoken":
tokens[keyname[1]] = value
elif keyname[0] == "priv" and keyname[2] == "messagenew":
guid = keyname[1]
token = tokens.get(guid)
if token:
response = requests_session.post(
"https://notifications.delta.chat/notify",
data=token,
timeout=60,
)
if response.status_code == 410:
# 410 Gone status code
# means the token is no longer valid.
del tokens[guid]
else:
# Transaction failed.
transactions[transaction_id] = b"F\n"
elif short_command == "B":
# Begin transaction.
transaction_id = msg[1:].split("\t")[0]
transactions[transaction_id] = b"O\n"
elif short_command == "C":
# Commit transaction.
transaction_id = msg[1:].split("\t")[0]
wfile.write(transactions.pop(transaction_id, b"N\n"))
def handle_dovecot_request(msg, tokens, requests_session, config: Config):
short_command = msg[0]
if short_command == "L":
return b"N\n"
elif short_command == "S":
# See header of
# <https://github.com/dovecot/core/blob/5e7965632395793d9355eb906b173bf28d2a10ca/src/lib-storage/mailbox-attribute.h>
# for the documentation on the structure of the key.
wfile.flush()
# Request GETMETADATA "INBOX" /private/chatmail
# results in a query for
# priv/dd72550f05eadc65542a1200cac67ad7/chatmail
#
# Request GETMETADATA "" /private/chatmail
# results in
# priv/dd72550f05eadc65542a1200cac67ad7/vendor/vendor.dovecot/pvt/server/chatmail
parts = msg[1:].split("\t")
transaction_id = parts[0]
keyname = parts[1].split("/")
value = parts[2] if len(parts) > 2 else ""
if keyname[0] == "priv" and keyname[2] == "devicetoken":
tokens[keyname[1]] = value
elif keyname[0] == "priv" and keyname[2] == "messagenew":
guid = keyname[1]
token = tokens.get(guid)
if token:
response = requests_session.post(
"https://notifications.delta.chat/notify",
data=token,
timeout=60,
)
if response.status_code == 410:
# 410 Gone status code
# means the token is no longer valid.
del tokens[guid]
else:
# Transaction failed.
transactions[transaction_id] = b"F\n"
elif short_command == "B":
# Begin transaction.
transaction_id = msg[1:].split("\t")[0]
transactions[transaction_id] = b"O\n"
elif short_command == "C":
# Commit transaction.
transaction_id = msg[1:].split("\t")[0]
return transactions.pop(transaction_id, b"N\n")
class ThreadedUnixStreamServer(ThreadingMixIn, UnixStreamServer):