mirror of
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110 lines
4.0 KiB
Python
110 lines
4.0 KiB
Python
import json
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import logging
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import os
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import signal
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import sys
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import time
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import re
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import importlib
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from zerver.lib.actions import internal_send_message
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from zerver.models import UserProfile
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from zerver.lib.bot_storage import get_bot_state, set_bot_state, \
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is_key_in_bot_state, get_bot_state_size, remove_bot_state
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from zerver.lib.integrations import EMBEDDED_BOTS
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import configparser
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if False:
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from mypy_extensions import NoReturn
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from typing import Any, Optional, List, Dict, Text
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from types import ModuleType
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our_dir = os.path.dirname(os.path.abspath(__file__))
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from zulip_bots.lib import RateLimit
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def get_bot_handler(service_name):
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# type: (str) -> Any
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# Check that this service is present in EMBEDDED_BOTS, add exception handling.
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is_present_in_registry = any(service_name == embedded_bot_service.name for
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embedded_bot_service in EMBEDDED_BOTS)
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if not is_present_in_registry:
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return None
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bot_module_name = 'zulip_bots.bots.%s.%s' % (service_name, service_name)
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bot_module = importlib.import_module(bot_module_name) # type: Any
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return bot_module.handler_class()
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class StateHandler:
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state_size_limit = 10000000 # type: int # TODO: Store this in the server configuration model.
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def __init__(self, user_profile):
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# type: (UserProfile) -> None
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self.user_profile = user_profile
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self.marshal = lambda obj: json.dumps(obj)
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self.demarshal = lambda obj: json.loads(obj)
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def get(self, key):
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# type: (Text) -> Text
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return self.demarshal(get_bot_state(self.user_profile, key))
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def put(self, key, value):
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# type: (Text, Text) -> None
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set_bot_state(self.user_profile, key, self.marshal(value))
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def remove(self, key):
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# type: (Text) -> None
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remove_bot_state(self.user_profile, key)
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def contains(self, key):
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# type: (Text) -> bool
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return is_key_in_bot_state(self.user_profile, key)
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class EmbeddedBotHandler:
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def __init__(self, user_profile):
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# type: (UserProfile) -> None
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# Only expose a subset of our UserProfile's functionality
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self.user_profile = user_profile
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self._rate_limit = RateLimit(20, 5)
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self.full_name = user_profile.full_name
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self.email = user_profile.email
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self.storage = StateHandler(user_profile)
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def send_message(self, message):
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# type: (Dict[str, Any]) -> None
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if self._rate_limit.is_legal():
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recipients = message['to'] if message['type'] == 'stream' else ','.join(message['to'])
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internal_send_message(realm=self.user_profile.realm, sender_email=self.user_profile.email,
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recipient_type_name=message['type'], recipients=recipients,
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topic_name=message.get('subject', None), content=message['content'])
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else:
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self._rate_limit.show_error_and_exit()
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def send_reply(self, message, response):
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# type: (Dict[str, Any], str) -> None
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if message['type'] == 'private':
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self.send_message(dict(
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type='private',
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to=[x['email'] for x in message['display_recipient']],
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content=response,
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sender_email=message['sender_email'],
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))
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else:
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self.send_message(dict(
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type='stream',
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to=message['display_recipient'],
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subject=message['subject'],
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content=response,
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sender_email=message['sender_email'],
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))
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def get_config_info(self, bot_name, section=None):
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# type: (str, Optional[str]) -> Dict[str, Any]
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conf_file_path = os.path.realpath(os.path.join(
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our_dir, '..', 'bots', bot_name, bot_name + '.conf'))
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section = section or bot_name
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config = configparser.ConfigParser()
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config.readfp(open(conf_file_path)) # type: ignore # likely typeshed issue
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return dict(config.items(section))
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