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send_pm_if_empty_stream: Use realm object to check cross-realm. 

The previous check didn't work correctly in the event that the target
stream did not exist.
This commit is contained in:
Tim Abbott 2016-11-14 20:34:20 -08:00
parent 4cfcc70e78
commit b09c2369c1
1 changed files with 7 additions and 5 deletions
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12
zerver/lib/actions.py
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@ -1101,9 +1101,11 @@ def check_stream_name(stream_name):
if not valid_stream_name(stream_name):
raise JsonableError(_("Invalid stream name"))
def send_pm_if_empty_stream(sender, stream, stream_name):
# type: (UserProfile, Stream, text_type) -> None
# TODO: It's not clear whether stream can be None. Some cleanup is needed.
def send_pm_if_empty_stream(sender, stream, stream_name, realm):
# type: (UserProfile, Stream, text_type, Realm) -> None
"""If a bot sends a message to a stream that doesn't exist or has no
subscribers, sends a notification to the bot owner (if not a
cross-realm bot) so that the owner can correct the issue."""
if sender.realm.is_zephyr_mirror_realm or sender.realm.deactivated:
return
@ -1112,7 +1114,7 @@ def send_pm_if_empty_stream(sender, stream, stream_name):
# (e.g. from EMAIL_GATEWAY_BOT) since the owner for
# EMAIL_GATEWAY_BOT is probably the server administrator, not
# the owner of the bot who could potentially fix the problem.
if stream is not None and stream.realm != sender.realm:
if sender.realm != realm:
return
if stream:
@ -1182,7 +1184,7 @@ def check_message(sender, client, message_type_name, message_to,
stream = get_stream(stream_name, realm)
send_pm_if_empty_stream(sender, stream, stream_name)
send_pm_if_empty_stream(sender, stream, stream_name, realm)
if stream is None:
raise JsonableError(_("Stream does not exist"))