mirror of https://github.com/zulip/zulip.git
1548 lines
64 KiB
Python
1548 lines
64 KiB
Python
from __future__ import absolute_import
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from typing import Any, List, Set, Tuple, TypeVar, \
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Union, Optional, Sequence, AbstractSet
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from typing.re import Match
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from zerver.lib.str_utils import NonBinaryStr
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from django.db import models
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from django.db.models.query import QuerySet
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from django.db.models import Manager
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from django.conf import settings
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from django.contrib.auth.models import AbstractBaseUser, UserManager, \
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PermissionsMixin
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from django.dispatch import receiver
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from zerver.lib.cache import cache_with_key, flush_user_profile, flush_realm, \
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user_profile_by_id_cache_key, user_profile_by_email_cache_key, \
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generic_bulk_cached_fetch, cache_set, flush_stream, \
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display_recipient_cache_key, cache_delete, \
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get_stream_cache_key, active_user_dicts_in_realm_cache_key, \
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active_bot_dicts_in_realm_cache_key, active_user_dict_fields, \
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active_bot_dict_fields
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from zerver.lib.utils import make_safe_digest, generate_random_token
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from zerver.lib.str_utils import force_bytes, ModelReprMixin, dict_with_str_keys
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from django.db import transaction
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from zerver.lib.avatar import gravatar_hash, get_avatar_url
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from zerver.lib.camo import get_camo_url
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from django.utils import timezone
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from django.contrib.sessions.models import Session
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from zerver.lib.timestamp import datetime_to_timestamp
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from django.db.models.signals import pre_save, post_save, post_delete
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from django.core.validators import MinLengthValidator, RegexValidator
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from django.utils.translation import ugettext_lazy as _
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import zlib
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from bitfield import BitField
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from bitfield.types import BitHandler
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from collections import defaultdict
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from datetime import timedelta
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import pylibmc
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import re
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import ujson
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import logging
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from six import binary_type, text_type
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import time
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import datetime
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# TODO: see #1379 to eliminate bugdown dependencies
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bugdown = None # type: Any
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MAX_SUBJECT_LENGTH = 60
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MAX_MESSAGE_LENGTH = 10000
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STREAM_NAMES = TypeVar('STREAM_NAMES', Sequence[text_type], AbstractSet[text_type])
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# Doing 1000 remote cache requests to get_display_recipient is quite slow,
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# so add a local cache as well as the remote cache cache.
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per_request_display_recipient_cache = {} # type: Dict[int, List[Dict[str, Any]]]
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def get_display_recipient_by_id(recipient_id, recipient_type, recipient_type_id):
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# type: (int, int, int) -> Union[text_type, List[Dict[str, Any]]]
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if recipient_id not in per_request_display_recipient_cache:
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result = get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id)
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per_request_display_recipient_cache[recipient_id] = result
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return per_request_display_recipient_cache[recipient_id]
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def get_display_recipient(recipient):
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# type: (Recipient) -> Union[text_type, List[Dict[str, Any]]]
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return get_display_recipient_by_id(
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recipient.id,
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recipient.type,
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recipient.type_id
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)
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def flush_per_request_caches():
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# type: () -> None
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global per_request_display_recipient_cache
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per_request_display_recipient_cache = {}
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global per_request_realm_filters_cache
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per_request_realm_filters_cache = {}
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@cache_with_key(lambda *args: display_recipient_cache_key(args[0]),
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timeout=3600*24*7)
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def get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id):
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# type: (int, int, int) -> Union[text_type, List[Dict[str, Any]]]
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"""
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returns: an appropriate object describing the recipient. For a
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stream this will be the stream name as a string. For a huddle or
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personal, it will be an array of dicts about each recipient.
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"""
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if recipient_type == Recipient.STREAM:
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stream = Stream.objects.get(id=recipient_type_id)
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return stream.name
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# We don't really care what the ordering is, just that it's deterministic.
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user_profile_list = (UserProfile.objects.filter(subscription__recipient_id=recipient_id)
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.select_related()
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.order_by('email'))
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return [{'email': user_profile.email,
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'domain': user_profile.realm.domain,
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'full_name': user_profile.full_name,
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'short_name': user_profile.short_name,
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'id': user_profile.id,
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'is_mirror_dummy': user_profile.is_mirror_dummy,} for user_profile in user_profile_list]
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def completely_open(domain):
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# type: (text_type) -> bool
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# This domain is completely open to everyone on the internet to
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# join. E-mail addresses do not need to match the domain and
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# an invite from an existing user is not required.
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realm = get_realm(domain)
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if not realm:
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return False
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return not realm.invite_required and not realm.restricted_to_domain
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def get_unique_open_realm():
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# type: () -> Optional[Realm]
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# We only return a realm if there is a unique realm and it is completely open.
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realms = Realm.objects.filter(deactivated=False)
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if settings.VOYAGER:
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# On production installations, the "zulip.com" realm is an
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# empty realm just used for system bots, so don't include it
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# in this accounting.
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realms = realms.exclude(domain="zulip.com")
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if len(realms) != 1:
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return None
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realm = realms[0]
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if realm.invite_required or realm.restricted_to_domain:
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return None
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return realm
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def get_realm_emoji_cache_key(realm):
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# type: (Realm) -> text_type
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return u'realm_emoji:%s' % (realm.id,)
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class Realm(ModelReprMixin, models.Model):
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# domain is a domain in the Internet sense. It must be structured like a
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# valid email domain. We use is to restrict access, identify bots, etc.
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domain = models.CharField(max_length=40, db_index=True, unique=True) # type: text_type
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# name is the user-visible identifier for the realm. It has no required
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# structure.
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name = models.CharField(max_length=40, null=True) # type: Optional[text_type]
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restricted_to_domain = models.BooleanField(default=True) # type: bool
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invite_required = models.BooleanField(default=False) # type: bool
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invite_by_admins_only = models.BooleanField(default=False) # type: bool
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create_stream_by_admins_only = models.BooleanField(default=False) # type: bool
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mandatory_topics = models.BooleanField(default=False) # type: bool
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show_digest_email = models.BooleanField(default=True) # type: bool
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name_changes_disabled = models.BooleanField(default=False) # type: bool
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allow_message_editing = models.BooleanField(default=True) # type: bool
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DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS = 600 # if changed, also change in admin.js
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message_content_edit_limit_seconds = models.IntegerField(default=DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS) # type: int
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date_created = models.DateTimeField(default=timezone.now) # type: datetime.datetime
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notifications_stream = models.ForeignKey('Stream', related_name='+', null=True, blank=True) # type: Optional[Stream]
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deactivated = models.BooleanField(default=False) # type: bool
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DEFAULT_NOTIFICATION_STREAM_NAME = u'announce'
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def __unicode__(self):
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# type: () -> text_type
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return u"<Realm: %s %s>" % (self.domain, self.id)
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@cache_with_key(get_realm_emoji_cache_key, timeout=3600*24*7)
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def get_emoji(self):
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# type: () -> Dict[text_type, Dict[str, text_type]]
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return get_realm_emoji_uncached(self)
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@property
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def deployment(self):
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# type: () -> Any # returns a Deployment from zilencer.models
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try:
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return self._deployments.all()[0]
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except IndexError:
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return None
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@deployment.setter # type: ignore # https://github.com/python/mypy/issues/220
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def set_deployments(self, value):
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# type: (Any) -> None
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self._deployments = [value] # type: Any
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def get_admin_users(self):
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# type: () -> Sequence[UserProfile]
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# TODO: Change return type to QuerySet[UserProfile]
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return UserProfile.objects.filter(realm=self, is_realm_admin=True,
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is_active=True).select_related()
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def get_active_users(self):
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# type: () -> Sequence[UserProfile]
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# TODO: Change return type to QuerySet[UserProfile]
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return UserProfile.objects.filter(realm=self, is_active=True).select_related()
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@property
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def is_zephyr_mirror_realm(self):
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# type: () -> bool
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return self.domain == "mit.edu"
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@property
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def webathena_enabled(self):
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# type: () -> bool
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return self.is_zephyr_mirror_realm
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@property
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def presence_disabled(self):
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# type: () -> bool
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return self.is_zephyr_mirror_realm
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class Meta(object):
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permissions = (
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('administer', "Administer a realm"),
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('api_super_user', "Can send messages as other users for mirroring"),
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)
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post_save.connect(flush_realm, sender=Realm)
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class RealmAlias(models.Model):
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realm = models.ForeignKey(Realm, null=True) # type: Optional[Realm]
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domain = models.CharField(max_length=80, db_index=True, unique=True) # type: text_type
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# These functions should only be used on email addresses that have
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# been validated via django.core.validators.validate_email
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#
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# Note that we need to use some care, since can you have multiple @-signs; e.g.
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# "tabbott@test"@zulip.com
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# is valid email address
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def email_to_username(email):
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# type: (text_type) -> text_type
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return "@".join(email.split("@")[:-1]).lower()
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# Returns the raw domain portion of the desired email address
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def split_email_to_domain(email):
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# type: (text_type) -> text_type
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return email.split("@")[-1].lower()
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# Returns the domain, potentually de-aliased, for the realm
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# that this user's email is in
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def resolve_email_to_domain(email):
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# type: (text_type) -> text_type
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domain = split_email_to_domain(email)
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alias = alias_for_realm(domain)
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if alias is not None:
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domain = alias.realm.domain
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return domain
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# Is a user with the given email address allowed to be in the given realm?
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# (This function does not check whether the user has been invited to the realm.
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# So for invite-only realms, this is the test for whether a user can be invited,
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# not whether the user can sign up currently.)
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def email_allowed_for_realm(email, realm):
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# type: (text_type, Realm) -> bool
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# Anyone can be in an open realm
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if not realm.restricted_to_domain:
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return True
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# Otherwise, domains must match (case-insensitively)
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email_domain = resolve_email_to_domain(email)
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return email_domain == realm.domain.lower()
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def alias_for_realm(domain):
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# type: (text_type) -> Optional[RealmAlias]
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try:
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return RealmAlias.objects.get(domain=domain)
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except RealmAlias.DoesNotExist:
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return None
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def remote_user_to_email(remote_user):
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# type: (text_type) -> text_type
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if settings.SSO_APPEND_DOMAIN is not None:
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remote_user += "@" + settings.SSO_APPEND_DOMAIN
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return remote_user
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class RealmEmoji(ModelReprMixin, models.Model):
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realm = models.ForeignKey(Realm) # type: Realm
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# Second part of the regex (negative lookbehind) disallows names ending with one of the punctuation characters
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name = models.TextField(validators=[MinLengthValidator(1),
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RegexValidator(regex=r'^[0-9a-zA-Z.\-_]+(?<![.\-_])$',
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message=_("Invalid characters in Emoji name"))]) # type: text_type
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# URLs start having browser compatibility problem below 2000
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# characters, so 1000 seems like a safe limit.
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img_url = models.URLField(max_length=1000) # type: text_type
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class Meta(object):
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unique_together = ("realm", "name")
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def __unicode__(self):
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# type: () -> text_type
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return u"<RealmEmoji(%s): %s %s>" % (self.realm.domain, self.name, self.img_url)
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def get_realm_emoji_uncached(realm):
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# type: (Realm) -> Dict[text_type, Dict[str, text_type]]
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d = {}
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for row in RealmEmoji.objects.filter(realm=realm):
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d[row.name] = dict(source_url=row.img_url,
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display_url=get_camo_url(row.img_url))
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return d
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def flush_realm_emoji(sender, **kwargs):
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# type: (Any, **Any) -> None
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realm = kwargs['instance'].realm
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cache_set(get_realm_emoji_cache_key(realm),
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get_realm_emoji_uncached(realm),
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timeout=3600*24*7)
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post_save.connect(flush_realm_emoji, sender=RealmEmoji)
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post_delete.connect(flush_realm_emoji, sender=RealmEmoji)
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class RealmFilter(ModelReprMixin, models.Model):
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realm = models.ForeignKey(Realm) # type: Realm
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pattern = models.TextField() # type: text_type
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url_format_string = models.TextField() # type: text_type
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class Meta(object):
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unique_together = ("realm", "pattern")
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def __unicode__(self):
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# type: () -> text_type
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return u"<RealmFilter(%s): %s %s>" % (self.realm.domain, self.pattern, self.url_format_string)
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def get_realm_filters_cache_key(domain):
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# type: (text_type) -> text_type
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return u'all_realm_filters:%s' % (domain,)
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# We have a per-process cache to avoid doing 1000 remote cache queries during page load
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per_request_realm_filters_cache = {} # type: Dict[text_type, List[Tuple[text_type, text_type]]]
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def realm_filters_for_domain(domain):
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# type: (text_type) -> List[Tuple[text_type, text_type]]
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domain = domain.lower()
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if domain not in per_request_realm_filters_cache:
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per_request_realm_filters_cache[domain] = realm_filters_for_domain_remote_cache(domain)
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return per_request_realm_filters_cache[domain]
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@cache_with_key(get_realm_filters_cache_key, timeout=3600*24*7)
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def realm_filters_for_domain_remote_cache(domain):
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# type: (text_type) -> List[Tuple[text_type, text_type]]
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filters = []
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for realm_filter in RealmFilter.objects.filter(realm=get_realm(domain)):
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filters.append((realm_filter.pattern, realm_filter.url_format_string))
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return filters
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def all_realm_filters():
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# type: () -> Dict[text_type, List[Tuple[text_type, text_type]]]
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filters = defaultdict(list) # type: Dict[text_type, List[Tuple[text_type, text_type]]]
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for realm_filter in RealmFilter.objects.all():
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filters[realm_filter.realm.domain].append((realm_filter.pattern, realm_filter.url_format_string))
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return filters
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def flush_realm_filter(sender, **kwargs):
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# type: (Any, **Any) -> None
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realm = kwargs['instance'].realm
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cache_delete(get_realm_filters_cache_key(realm.domain))
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try:
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per_request_realm_filters_cache.pop(realm.domain.lower())
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except KeyError:
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pass
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post_save.connect(flush_realm_filter, sender=RealmFilter)
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post_delete.connect(flush_realm_filter, sender=RealmFilter)
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class UserProfile(ModelReprMixin, AbstractBaseUser, PermissionsMixin):
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DEFAULT_BOT = 1
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"""
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Incoming webhook bots are limited to only sending messages via webhooks.
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Thus, it is less of a security risk to expose their API keys to third-party services,
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since they can't be used to read messages.
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"""
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INCOMING_WEBHOOK_BOT = 2
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# Fields from models.AbstractUser minus last_name and first_name,
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# which we don't use; email is modified to make it indexed and unique.
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email = models.EmailField(blank=False, db_index=True, unique=True) # type: text_type
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is_staff = models.BooleanField(default=False) # type: bool
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is_active = models.BooleanField(default=True, db_index=True) # type: bool
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is_realm_admin = models.BooleanField(default=False, db_index=True) # type: bool
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is_bot = models.BooleanField(default=False, db_index=True) # type: bool
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bot_type = models.PositiveSmallIntegerField(null=True, db_index=True) # type: Optional[int]
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is_api_super_user = models.BooleanField(default=False, db_index=True) # type: bool
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date_joined = models.DateTimeField(default=timezone.now) # type: datetime.datetime
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is_mirror_dummy = models.BooleanField(default=False) # type: bool
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bot_owner = models.ForeignKey('self', null=True, on_delete=models.SET_NULL) # type: Optional[UserProfile]
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USERNAME_FIELD = 'email'
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MAX_NAME_LENGTH = 100
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# Our custom site-specific fields
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full_name = models.CharField(max_length=MAX_NAME_LENGTH) # type: text_type
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short_name = models.CharField(max_length=MAX_NAME_LENGTH) # type: text_type
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# pointer points to Message.id, NOT UserMessage.id.
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pointer = models.IntegerField() # type: int
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last_pointer_updater = models.CharField(max_length=64) # type: text_type
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realm = models.ForeignKey(Realm) # type: Realm
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api_key = models.CharField(max_length=32) # type: text_type
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|
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### Notifications settings. ###
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# Stream notifications.
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enable_stream_desktop_notifications = models.BooleanField(default=False) # type: bool
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enable_stream_sounds = models.BooleanField(default=False) # type: bool
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# PM + @-mention notifications.
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enable_desktop_notifications = models.BooleanField(default=True) # type: bool
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enable_sounds = models.BooleanField(default=True) # type: bool
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enable_offline_email_notifications = models.BooleanField(default=True) # type: bool
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enable_offline_push_notifications = models.BooleanField(default=True) # type: bool
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enable_digest_emails = models.BooleanField(default=True) # type: bool
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# Old notification field superseded by existence of stream notification
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# settings.
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default_desktop_notifications = models.BooleanField(default=True) # type: bool
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|
###
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last_reminder = models.DateTimeField(default=timezone.now, null=True) # type: Optional[datetime.datetime]
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rate_limits = models.CharField(default=u"", max_length=100) # type: text_type # comma-separated list of range:max pairs
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|
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# Default streams
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default_sending_stream = models.ForeignKey('zerver.Stream', null=True, related_name='+') # type: Optional[Stream]
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default_events_register_stream = models.ForeignKey('zerver.Stream', null=True, related_name='+') # type: Optional[Stream]
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default_all_public_streams = models.BooleanField(default=False) # type: bool
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|
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# UI vars
|
|
enter_sends = models.NullBooleanField(default=True) # type: Optional[bool]
|
|
autoscroll_forever = models.BooleanField(default=False) # type: bool
|
|
left_side_userlist = models.BooleanField(default=False) # type: bool
|
|
|
|
# display settings
|
|
twenty_four_hour_time = models.BooleanField(default=False) # type: bool
|
|
default_language = models.CharField(default=u'en', max_length=50) # type: text_type
|
|
|
|
# Hours to wait before sending another email to a user
|
|
EMAIL_REMINDER_WAITPERIOD = 24
|
|
# Minutes to wait before warning a bot owner that her bot sent a message
|
|
# to a nonexistent stream
|
|
BOT_OWNER_STREAM_ALERT_WAITPERIOD = 1
|
|
|
|
AVATAR_FROM_GRAVATAR = u'G'
|
|
AVATAR_FROM_USER = u'U'
|
|
AVATAR_FROM_SYSTEM = u'S'
|
|
AVATAR_SOURCES = (
|
|
(AVATAR_FROM_GRAVATAR, 'Hosted by Gravatar'),
|
|
(AVATAR_FROM_USER, 'Uploaded by user'),
|
|
(AVATAR_FROM_SYSTEM, 'System generated'),
|
|
)
|
|
avatar_source = models.CharField(default=AVATAR_FROM_GRAVATAR, choices=AVATAR_SOURCES, max_length=1) # type: text_type
|
|
|
|
TUTORIAL_WAITING = u'W'
|
|
TUTORIAL_STARTED = u'S'
|
|
TUTORIAL_FINISHED = u'F'
|
|
TUTORIAL_STATES = ((TUTORIAL_WAITING, "Waiting"),
|
|
(TUTORIAL_STARTED, "Started"),
|
|
(TUTORIAL_FINISHED, "Finished"))
|
|
|
|
tutorial_status = models.CharField(default=TUTORIAL_WAITING, choices=TUTORIAL_STATES, max_length=1) # type: text_type
|
|
# Contains serialized JSON of the form:
|
|
# [("step 1", true), ("step 2", false)]
|
|
# where the second element of each tuple is if the step has been
|
|
# completed.
|
|
onboarding_steps = models.TextField(default=u'[]') # type: text_type
|
|
|
|
invites_granted = models.IntegerField(default=0) # type: int
|
|
invites_used = models.IntegerField(default=0) # type: int
|
|
|
|
alert_words = models.TextField(default=u'[]') # type: text_type # json-serialized list of strings
|
|
|
|
# Contains serialized JSON of the form:
|
|
# [["social", "mit"], ["devel", "ios"]]
|
|
muted_topics = models.TextField(default=u'[]') # type: text_type
|
|
|
|
objects = UserManager() # type: UserManager
|
|
|
|
def can_admin_user(self, target_user):
|
|
# type: (UserProfile) -> bool
|
|
"""Returns whether this user has permission to modify target_user"""
|
|
if target_user.bot_owner == self:
|
|
return True
|
|
elif self.is_realm_admin and self.realm == target_user.realm:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def last_reminder_tzaware(self):
|
|
# type: () -> Optional[datetime.datetime]
|
|
if self.last_reminder is not None and timezone.is_naive(self.last_reminder):
|
|
logging.warning(u"Loaded a user_profile.last_reminder for user %s that's not tz-aware: %s"
|
|
% (self.email, text_type(self.last_reminder)))
|
|
return self.last_reminder.replace(tzinfo=timezone.utc)
|
|
|
|
return self.last_reminder
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
return u"<UserProfile: %s %s>" % (self.email, self.realm)
|
|
|
|
@property
|
|
def is_incoming_webhook(self):
|
|
return self.bot_type == UserProfile.INCOMING_WEBHOOK_BOT
|
|
|
|
@staticmethod
|
|
def emails_from_ids(user_ids):
|
|
# type: (Sequence[int]) -> Dict[int, text_type]
|
|
rows = UserProfile.objects.filter(id__in=user_ids).values('id', 'email')
|
|
return {row['id']: row['email'] for row in rows}
|
|
|
|
def can_create_streams(self):
|
|
# type: () -> bool
|
|
if self.is_realm_admin or not self.realm.create_stream_by_admins_only:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def receives_offline_notifications(user_profile):
|
|
# type: (UserProfile) -> bool
|
|
return ((user_profile.enable_offline_email_notifications or
|
|
user_profile.enable_offline_push_notifications) and
|
|
not user_profile.is_bot)
|
|
|
|
# Make sure we flush the UserProfile object from our remote cache
|
|
# whenever we save it.
|
|
post_save.connect(flush_user_profile, sender=UserProfile)
|
|
|
|
class PreregistrationUser(models.Model):
|
|
email = models.EmailField() # type: text_type
|
|
referred_by = models.ForeignKey(UserProfile, null=True) # Optional[UserProfile]
|
|
streams = models.ManyToManyField('Stream') # type: Manager
|
|
invited_at = models.DateTimeField(auto_now=True) # type: datetime.datetime
|
|
realm_creation = models.BooleanField(default=False)
|
|
|
|
# status: whether an object has been confirmed.
|
|
# if confirmed, set to confirmation.settings.STATUS_ACTIVE
|
|
status = models.IntegerField(default=0) # type: int
|
|
|
|
realm = models.ForeignKey(Realm, null=True) # type: Optional[Realm]
|
|
|
|
class PushDeviceToken(models.Model):
|
|
APNS = 1
|
|
GCM = 2
|
|
|
|
KINDS = (
|
|
(APNS, 'apns'),
|
|
(GCM, 'gcm'),
|
|
)
|
|
|
|
kind = models.PositiveSmallIntegerField(choices=KINDS) # type: int
|
|
|
|
# The token is a unique device-specific token that is
|
|
# sent to us from each device:
|
|
# - APNS token if kind == APNS
|
|
# - GCM registration id if kind == GCM
|
|
token = models.CharField(max_length=4096, unique=True) # type: text_type
|
|
last_updated = models.DateTimeField(auto_now=True) # type: datetime.datetime
|
|
|
|
# The user who's device this is
|
|
user = models.ForeignKey(UserProfile, db_index=True) # type: UserProfile
|
|
|
|
# [optional] Contains the app id of the device if it is an iOS device
|
|
ios_app_id = models.TextField(null=True) # type: Optional[text_type]
|
|
|
|
def generate_email_token_for_stream():
|
|
# type: () -> text_type
|
|
return generate_random_token(32)
|
|
|
|
class Stream(ModelReprMixin, models.Model):
|
|
MAX_NAME_LENGTH = 60
|
|
name = models.CharField(max_length=MAX_NAME_LENGTH, db_index=True) # type: text_type
|
|
realm = models.ForeignKey(Realm, db_index=True) # type: Realm
|
|
invite_only = models.NullBooleanField(default=False) # type: Optional[bool]
|
|
# Used by the e-mail forwarder. The e-mail RFC specifies a maximum
|
|
# e-mail length of 254, and our max stream length is 30, so we
|
|
# have plenty of room for the token.
|
|
email_token = models.CharField(
|
|
max_length=32, default=generate_email_token_for_stream) # type: text_type
|
|
description = models.CharField(max_length=1024, default=u'') # type: text_type
|
|
|
|
date_created = models.DateTimeField(default=timezone.now) # type: datetime.datetime
|
|
deactivated = models.BooleanField(default=False) # type: bool
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
return u"<Stream: %s>" % (self.name,)
|
|
|
|
def is_public(self):
|
|
# type: () -> bool
|
|
# All streams are private in Zephyr mirroring realms.
|
|
return not self.invite_only and not self.realm.is_zephyr_mirror_realm
|
|
|
|
class Meta(object):
|
|
unique_together = ("name", "realm")
|
|
|
|
@classmethod
|
|
def create(cls, name, realm):
|
|
# type: (Any, text_type, Realm) -> Tuple[Stream, Recipient]
|
|
stream = cls(name=name, realm=realm)
|
|
stream.save()
|
|
|
|
recipient = Recipient.objects.create(type_id=stream.id,
|
|
type=Recipient.STREAM)
|
|
return (stream, recipient)
|
|
|
|
def num_subscribers(self):
|
|
# type: () -> int
|
|
return Subscription.objects.filter(
|
|
recipient__type=Recipient.STREAM,
|
|
recipient__type_id=self.id,
|
|
user_profile__is_active=True,
|
|
active=True
|
|
).count()
|
|
|
|
# This is stream information that is sent to clients
|
|
def to_dict(self):
|
|
# type: () -> Dict[str, Any]
|
|
return dict(name=self.name,
|
|
stream_id=self.id,
|
|
description=self.description,
|
|
invite_only=self.invite_only)
|
|
|
|
post_save.connect(flush_stream, sender=Stream)
|
|
post_delete.connect(flush_stream, sender=Stream)
|
|
|
|
def valid_stream_name(name):
|
|
# type: (text_type) -> bool
|
|
return name != ""
|
|
|
|
# The Recipient table is used to map Messages to the set of users who
|
|
# received the message. It is implemented as a set of triples (id,
|
|
# type_id, type). We have 3 types of recipients: Huddles (for group
|
|
# private messages), UserProfiles (for 1:1 private messages), and
|
|
# Streams. The recipient table maps a globally unique recipient id
|
|
# (used by the Message table) to the type-specific unique id (the
|
|
# stream id, user_profile id, or huddle id).
|
|
class Recipient(ModelReprMixin, models.Model):
|
|
type_id = models.IntegerField(db_index=True) # type: int
|
|
type = models.PositiveSmallIntegerField(db_index=True) # type: int
|
|
# Valid types are {personal, stream, huddle}
|
|
PERSONAL = 1
|
|
STREAM = 2
|
|
HUDDLE = 3
|
|
|
|
class Meta(object):
|
|
unique_together = ("type", "type_id")
|
|
|
|
# N.B. If we used Django's choice=... we would get this for free (kinda)
|
|
_type_names = {
|
|
PERSONAL: 'personal',
|
|
STREAM: 'stream',
|
|
HUDDLE: 'huddle' }
|
|
|
|
def type_name(self):
|
|
# type: () -> str
|
|
# Raises KeyError if invalid
|
|
return self._type_names[self.type]
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
display_recipient = get_display_recipient(self)
|
|
return u"<Recipient: %s (%d, %s)>" % (display_recipient, self.type_id, self.type)
|
|
|
|
class Client(ModelReprMixin, models.Model):
|
|
name = models.CharField(max_length=30, db_index=True, unique=True) # type: text_type
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
return u"<Client: %s>" % (self.name,)
|
|
|
|
get_client_cache = {} # type: Dict[text_type, Client]
|
|
def get_client(name):
|
|
# type: (text_type) -> Client
|
|
if name not in get_client_cache:
|
|
result = get_client_remote_cache(name)
|
|
get_client_cache[name] = result
|
|
return get_client_cache[name]
|
|
|
|
def get_client_cache_key(name):
|
|
# type: (text_type) -> text_type
|
|
return u'get_client:%s' % (make_safe_digest(name),)
|
|
|
|
@cache_with_key(get_client_cache_key, timeout=3600*24*7)
|
|
def get_client_remote_cache(name):
|
|
# type: (text_type) -> Client
|
|
(client, _) = Client.objects.get_or_create(name=name)
|
|
return client
|
|
|
|
# get_stream_backend takes either a realm id or a realm
|
|
@cache_with_key(get_stream_cache_key, timeout=3600*24*7)
|
|
def get_stream_backend(stream_name, realm):
|
|
# type: (text_type, Realm) -> Stream
|
|
if isinstance(realm, Realm):
|
|
realm_id = realm.id
|
|
else:
|
|
realm_id = realm
|
|
return Stream.objects.select_related("realm").get(
|
|
name__iexact=stream_name.strip(), realm_id=realm_id)
|
|
|
|
def get_active_streams(realm):
|
|
# type: (Realm) -> QuerySet
|
|
"""
|
|
Return all streams (including invite-only streams) that have not been deactivated.
|
|
"""
|
|
return Stream.objects.filter(realm=realm, deactivated=False)
|
|
|
|
# get_stream takes either a realm id or a realm
|
|
def get_stream(stream_name, realm):
|
|
# type: (text_type, Union[int, Realm]) -> Optional[Stream]
|
|
try:
|
|
return get_stream_backend(stream_name, realm)
|
|
except Stream.DoesNotExist:
|
|
return None
|
|
|
|
def bulk_get_streams(realm, stream_names):
|
|
# type: (Realm, STREAM_NAMES) -> Dict[text_type, Any]
|
|
if isinstance(realm, Realm):
|
|
realm_id = realm.id
|
|
else:
|
|
realm_id = realm
|
|
|
|
def fetch_streams_by_name(stream_names):
|
|
# type: (List[text_type]) -> Sequence[Stream]
|
|
#
|
|
# This should be just
|
|
#
|
|
# Stream.objects.select_related("realm").filter(name__iexact__in=stream_names,
|
|
# realm_id=realm_id)
|
|
#
|
|
# But chaining __in and __iexact doesn't work with Django's
|
|
# ORM, so we have the following hack to construct the relevant where clause
|
|
if len(stream_names) == 0:
|
|
return []
|
|
upper_list = ", ".join(["UPPER(%s)"] * len(stream_names))
|
|
where_clause = "UPPER(zerver_stream.name::text) IN (%s)" % (upper_list,)
|
|
return get_active_streams(realm_id).select_related("realm").extra(
|
|
where=[where_clause],
|
|
params=stream_names)
|
|
|
|
return generic_bulk_cached_fetch(lambda stream_name: get_stream_cache_key(stream_name, realm),
|
|
fetch_streams_by_name,
|
|
[stream_name.lower() for stream_name in stream_names],
|
|
id_fetcher=lambda stream: stream.name.lower())
|
|
|
|
def get_recipient_cache_key(type, type_id):
|
|
# type: (int, int) -> text_type
|
|
return u"get_recipient:%s:%s" % (type, type_id,)
|
|
|
|
@cache_with_key(get_recipient_cache_key, timeout=3600*24*7)
|
|
def get_recipient(type, type_id):
|
|
# type: (int, int) -> Recipient
|
|
return Recipient.objects.get(type_id=type_id, type=type)
|
|
|
|
def bulk_get_recipients(type, type_ids):
|
|
# type: (int, List[int]) -> Dict[int, Any]
|
|
def cache_key_function(type_id):
|
|
# type: (int) -> text_type
|
|
return get_recipient_cache_key(type, type_id)
|
|
def query_function(type_ids):
|
|
# type: (List[int]) -> Sequence[Recipient]
|
|
# TODO: Change return type to QuerySet[Recipient]
|
|
return Recipient.objects.filter(type=type, type_id__in=type_ids)
|
|
|
|
return generic_bulk_cached_fetch(cache_key_function, query_function, type_ids,
|
|
id_fetcher=lambda recipient: recipient.type_id)
|
|
|
|
# NB: This function is currently unused, but may come in handy.
|
|
def linebreak(string):
|
|
# type: (text_type) -> text_type
|
|
return string.replace('\n\n', '<p/>').replace('\n', '<br/>')
|
|
|
|
def extract_message_dict(message_bytes):
|
|
# type: (binary_type) -> Dict[str, Any]
|
|
return dict_with_str_keys(ujson.loads(zlib.decompress(message_bytes).decode("utf-8")))
|
|
|
|
def stringify_message_dict(message_dict):
|
|
# type: (Dict[str, Any]) -> binary_type
|
|
return zlib.compress(force_bytes(ujson.dumps(message_dict)))
|
|
|
|
def to_dict_cache_key_id(message_id, apply_markdown):
|
|
# type: (int, bool) -> text_type
|
|
return u'message_dict:%d:%d' % (message_id, apply_markdown)
|
|
|
|
def to_dict_cache_key(message, apply_markdown):
|
|
# type: (Message, bool) -> text_type
|
|
return to_dict_cache_key_id(message.id, apply_markdown)
|
|
|
|
class Message(ModelReprMixin, models.Model):
|
|
sender = models.ForeignKey(UserProfile) # type: UserProfile
|
|
recipient = models.ForeignKey(Recipient) # type: Recipient
|
|
subject = models.CharField(max_length=MAX_SUBJECT_LENGTH, db_index=True) # type: text_type
|
|
content = models.TextField() # type: text_type
|
|
rendered_content = models.TextField(null=True) # type: Optional[text_type]
|
|
rendered_content_version = models.IntegerField(null=True) # type: Optional[int]
|
|
pub_date = models.DateTimeField('date published', db_index=True) # type: datetime.datetime
|
|
sending_client = models.ForeignKey(Client) # type: Client
|
|
last_edit_time = models.DateTimeField(null=True) # type: Optional[datetime.datetime]
|
|
edit_history = models.TextField(null=True) # type: Optional[text_type]
|
|
has_attachment = models.BooleanField(default=False, db_index=True) # type: bool
|
|
has_image = models.BooleanField(default=False, db_index=True) # type: bool
|
|
has_link = models.BooleanField(default=False, db_index=True) # type: bool
|
|
|
|
def topic_name(self):
|
|
# type: () -> text_type
|
|
"""
|
|
Please start using this helper to facilitate an
|
|
eventual switch over to a separate topic table.
|
|
"""
|
|
return self.subject
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
display_recipient = get_display_recipient(self.recipient)
|
|
return u"<Message: %s / %s / %r>" % (display_recipient, self.subject, self.sender)
|
|
|
|
def get_realm(self):
|
|
# type: () -> Realm
|
|
return self.sender.realm
|
|
|
|
def render_markdown(self, content, domain=None):
|
|
# type: (text_type, Optional[text_type]) -> text_type
|
|
"""Return HTML for given markdown. Bugdown may add properties to the
|
|
message object such as `mentions_user_ids` and `mentions_wildcard`.
|
|
These are only on this Django object and are not saved in the
|
|
database.
|
|
"""
|
|
# TODO: see #1379 to eliminate bugdown dependencies
|
|
global bugdown
|
|
if bugdown is None:
|
|
import zerver.lib.bugdown as bugdown
|
|
# 'from zerver.lib import bugdown' gives mypy error in python 3 mode.
|
|
|
|
self.mentions_wildcard = False
|
|
self.is_me_message = False
|
|
self.mentions_user_ids = set() # type: Set[int]
|
|
self.user_ids_with_alert_words = set() # type: Set[int]
|
|
|
|
if not domain:
|
|
domain = self.sender.realm.domain
|
|
if self.sending_client.name == "zephyr_mirror" and self.sender.realm.is_zephyr_mirror_realm:
|
|
# Use slightly customized Markdown processor for content
|
|
# delivered via zephyr_mirror
|
|
domain = u"zephyr_mirror"
|
|
rendered_content = bugdown.convert(content, domain, self)
|
|
|
|
self.is_me_message = Message.is_status_message(content, rendered_content)
|
|
|
|
return rendered_content
|
|
|
|
def set_rendered_content(self, rendered_content, save = False):
|
|
# type: (text_type, bool) -> bool
|
|
"""Set the content on the message.
|
|
"""
|
|
# TODO: see #1379 to eliminate bugdown dependencies
|
|
global bugdown
|
|
if bugdown is None:
|
|
import zerver.lib.bugdown as bugdown
|
|
# 'from zerver.lib import bugdown' gives mypy error in python 3 mode.
|
|
|
|
self.rendered_content = rendered_content
|
|
self.rendered_content_version = bugdown.version
|
|
|
|
if self.rendered_content is not None:
|
|
if save:
|
|
self.save_rendered_content()
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def save_rendered_content(self):
|
|
# type: () -> None
|
|
self.save(update_fields=["rendered_content", "rendered_content_version"])
|
|
|
|
def maybe_render_content(self, domain, save = False):
|
|
# type: (Optional[text_type], bool) -> bool
|
|
"""Render the markdown if there is no existing rendered_content"""
|
|
# TODO: see #1379 to eliminate bugdown dependencies
|
|
global bugdown
|
|
if bugdown is None:
|
|
import zerver.lib.bugdown as bugdown
|
|
# 'from zerver.lib import bugdown' gives mypy error in python 3 mode.
|
|
|
|
if Message.need_to_render_content(self.rendered_content, self.rendered_content_version):
|
|
return self.set_rendered_content(self.render_markdown(self.content, domain), save)
|
|
else:
|
|
return True
|
|
|
|
@staticmethod
|
|
def need_to_render_content(rendered_content, rendered_content_version):
|
|
# type: (Optional[text_type], int) -> bool
|
|
return rendered_content is None or rendered_content_version < bugdown.version
|
|
|
|
def to_dict(self, apply_markdown):
|
|
# type: (bool) -> Dict[str, Any]
|
|
return extract_message_dict(self.to_dict_json(apply_markdown))
|
|
|
|
@cache_with_key(to_dict_cache_key, timeout=3600*24)
|
|
def to_dict_json(self, apply_markdown):
|
|
# type: (bool) -> binary_type
|
|
return self.to_dict_uncached(apply_markdown)
|
|
|
|
def to_dict_uncached(self, apply_markdown):
|
|
return stringify_message_dict(self.to_dict_uncached_helper(apply_markdown))
|
|
|
|
def to_dict_uncached_helper(self, apply_markdown):
|
|
# type: (bool) -> Dict[str, Any]
|
|
return Message.build_message_dict(
|
|
apply_markdown = apply_markdown,
|
|
message = self,
|
|
message_id = self.id,
|
|
last_edit_time = self.last_edit_time,
|
|
edit_history = self.edit_history,
|
|
content = self.content,
|
|
subject = self.subject,
|
|
pub_date = self.pub_date,
|
|
rendered_content = self.rendered_content,
|
|
rendered_content_version = self.rendered_content_version,
|
|
sender_id = self.sender.id,
|
|
sender_email = self.sender.email,
|
|
sender_realm_domain = self.sender.realm.domain,
|
|
sender_full_name = self.sender.full_name,
|
|
sender_short_name = self.sender.short_name,
|
|
sender_avatar_source = self.sender.avatar_source,
|
|
sender_is_mirror_dummy = self.sender.is_mirror_dummy,
|
|
sending_client_name = self.sending_client.name,
|
|
recipient_id = self.recipient.id,
|
|
recipient_type = self.recipient.type,
|
|
recipient_type_id = self.recipient.type_id,
|
|
)
|
|
|
|
@staticmethod
|
|
def build_dict_from_raw_db_row(row, apply_markdown):
|
|
# type: (Dict[str, Any], bool) -> Dict[str, Any]
|
|
'''
|
|
row is a row from a .values() call, and it needs to have
|
|
all the relevant fields populated
|
|
'''
|
|
return Message.build_message_dict(
|
|
apply_markdown = apply_markdown,
|
|
message = None,
|
|
message_id = row['id'],
|
|
last_edit_time = row['last_edit_time'],
|
|
edit_history = row['edit_history'],
|
|
content = row['content'],
|
|
subject = row['subject'],
|
|
pub_date = row['pub_date'],
|
|
rendered_content = row['rendered_content'],
|
|
rendered_content_version = row['rendered_content_version'],
|
|
sender_id = row['sender_id'],
|
|
sender_email = row['sender__email'],
|
|
sender_realm_domain = row['sender__realm__domain'],
|
|
sender_full_name = row['sender__full_name'],
|
|
sender_short_name = row['sender__short_name'],
|
|
sender_avatar_source = row['sender__avatar_source'],
|
|
sender_is_mirror_dummy = row['sender__is_mirror_dummy'],
|
|
sending_client_name = row['sending_client__name'],
|
|
recipient_id = row['recipient_id'],
|
|
recipient_type = row['recipient__type'],
|
|
recipient_type_id = row['recipient__type_id'],
|
|
)
|
|
|
|
@staticmethod
|
|
def build_message_dict(
|
|
apply_markdown,
|
|
message,
|
|
message_id,
|
|
last_edit_time,
|
|
edit_history,
|
|
content,
|
|
subject,
|
|
pub_date,
|
|
rendered_content,
|
|
rendered_content_version,
|
|
sender_id,
|
|
sender_email,
|
|
sender_realm_domain,
|
|
sender_full_name,
|
|
sender_short_name,
|
|
sender_avatar_source,
|
|
sender_is_mirror_dummy,
|
|
sending_client_name,
|
|
recipient_id,
|
|
recipient_type,
|
|
recipient_type_id,
|
|
):
|
|
# type: (bool, Message, int, datetime.datetime, text_type, text_type, text_type, datetime.datetime, text_type, Optional[int], int, text_type, text_type, text_type, text_type, text_type, bool, text_type, int, int, int) -> Dict[str, Any]
|
|
# TODO: see #1379 to eliminate bugdown dependencies
|
|
global bugdown
|
|
if bugdown is None:
|
|
import zerver.lib.bugdown as bugdown
|
|
# 'from zerver.lib import bugdown' gives mypy error in python 3 mode.
|
|
|
|
avatar_url = get_avatar_url(sender_avatar_source, sender_email)
|
|
|
|
display_recipient = get_display_recipient_by_id(
|
|
recipient_id,
|
|
recipient_type,
|
|
recipient_type_id
|
|
)
|
|
|
|
if recipient_type == Recipient.STREAM:
|
|
display_type = "stream"
|
|
elif recipient_type in (Recipient.HUDDLE, Recipient.PERSONAL):
|
|
assert not isinstance(display_recipient, text_type)
|
|
display_type = "private"
|
|
if len(display_recipient) == 1:
|
|
# add the sender in if this isn't a message between
|
|
# someone and his self, preserving ordering
|
|
recip = {'email': sender_email,
|
|
'domain': sender_realm_domain,
|
|
'full_name': sender_full_name,
|
|
'short_name': sender_short_name,
|
|
'id': sender_id,
|
|
'is_mirror_dummy': sender_is_mirror_dummy}
|
|
if recip['email'] < display_recipient[0]['email']:
|
|
display_recipient = [recip, display_recipient[0]]
|
|
elif recip['email'] > display_recipient[0]['email']:
|
|
display_recipient = [display_recipient[0], recip]
|
|
|
|
obj = dict(
|
|
id = message_id,
|
|
sender_email = sender_email,
|
|
sender_full_name = sender_full_name,
|
|
sender_short_name = sender_short_name,
|
|
sender_domain = sender_realm_domain,
|
|
sender_id = sender_id,
|
|
type = display_type,
|
|
display_recipient = display_recipient,
|
|
recipient_id = recipient_id,
|
|
subject = subject,
|
|
timestamp = datetime_to_timestamp(pub_date),
|
|
gravatar_hash = gravatar_hash(sender_email), # Deprecated June 2013
|
|
avatar_url = avatar_url,
|
|
client = sending_client_name)
|
|
|
|
obj['subject_links'] = bugdown.subject_links(sender_realm_domain.lower(), subject)
|
|
|
|
if last_edit_time != None:
|
|
obj['last_edit_timestamp'] = datetime_to_timestamp(last_edit_time)
|
|
obj['edit_history'] = ujson.loads(edit_history)
|
|
|
|
if apply_markdown:
|
|
if Message.need_to_render_content(rendered_content, rendered_content_version):
|
|
if message is None:
|
|
# We really shouldn't be rendering objects in this method, but there is
|
|
# a scenario where we upgrade the version of bugdown and fail to run
|
|
# management commands to re-render historical messages, and then we
|
|
# need to have side effects. This method is optimized to not need full
|
|
# blown ORM objects, but the bugdown renderer is unfortunately highly
|
|
# coupled to Message, and we also need to persist the new rendered content.
|
|
# If we don't have a message object passed in, we get one here. The cost
|
|
# of going to the DB here should be overshadowed by the cost of rendering
|
|
# and updating the row.
|
|
# TODO: see #1379 to eliminate bugdown dependencies
|
|
message = Message.objects.select_related().get(id=message_id)
|
|
|
|
# It's unfortunate that we need to have side effects on the message
|
|
# in some cases.
|
|
rendered_content = message.render_markdown(content, sender_realm_domain)
|
|
message.set_rendered_content(rendered_content, True)
|
|
|
|
if rendered_content is not None:
|
|
obj['content'] = rendered_content
|
|
else:
|
|
obj['content'] = u'<p>[Zulip note: Sorry, we could not understand the formatting of your message]</p>'
|
|
|
|
obj['content_type'] = 'text/html'
|
|
else:
|
|
obj['content'] = content
|
|
obj['content_type'] = 'text/x-markdown'
|
|
|
|
return obj
|
|
|
|
def to_log_dict(self):
|
|
# type: () -> Dict[str, Any]
|
|
return dict(
|
|
id = self.id,
|
|
sender_id = self.sender.id,
|
|
sender_email = self.sender.email,
|
|
sender_domain = self.sender.realm.domain,
|
|
sender_full_name = self.sender.full_name,
|
|
sender_short_name = self.sender.short_name,
|
|
sending_client = self.sending_client.name,
|
|
type = self.recipient.type_name(),
|
|
recipient = get_display_recipient(self.recipient),
|
|
subject = self.topic_name(),
|
|
content = self.content,
|
|
timestamp = datetime_to_timestamp(self.pub_date))
|
|
|
|
@staticmethod
|
|
def get_raw_db_rows(needed_ids):
|
|
# type: (List[int]) -> List[Dict[str, Any]]
|
|
# This is a special purpose function optimized for
|
|
# callers like get_old_messages_backend().
|
|
fields = [
|
|
'id',
|
|
'subject',
|
|
'pub_date',
|
|
'last_edit_time',
|
|
'edit_history',
|
|
'content',
|
|
'rendered_content',
|
|
'rendered_content_version',
|
|
'recipient_id',
|
|
'recipient__type',
|
|
'recipient__type_id',
|
|
'sender_id',
|
|
'sending_client__name',
|
|
'sender__email',
|
|
'sender__full_name',
|
|
'sender__short_name',
|
|
'sender__realm__id',
|
|
'sender__realm__domain',
|
|
'sender__avatar_source',
|
|
'sender__is_mirror_dummy',
|
|
]
|
|
return Message.objects.filter(id__in=needed_ids).values(*fields)
|
|
|
|
@classmethod
|
|
def remove_unreachable(cls):
|
|
# type: (Any) -> None
|
|
"""Remove all Messages that are not referred to by any UserMessage."""
|
|
cls.objects.exclude(id__in = UserMessage.objects.values('message_id')).delete()
|
|
|
|
def sent_by_human(self):
|
|
# type: () -> bool
|
|
sending_client = self.sending_client.name.lower()
|
|
|
|
return (sending_client in ('zulipandroid', 'zulipios', 'zulipdesktop',
|
|
'website', 'ios', 'android')) or \
|
|
('desktop app' in sending_client)
|
|
|
|
@staticmethod
|
|
def content_has_attachment(content):
|
|
# type: (text_type) -> Match
|
|
return re.search(r'[/\-]user[\-_]uploads[/\.-]', content)
|
|
|
|
@staticmethod
|
|
def content_has_image(content):
|
|
# type: (text_type) -> bool
|
|
return bool(re.search(r'[/\-]user[\-_]uploads[/\.-]\S+\.(bmp|gif|jpg|jpeg|png|webp)', content, re.IGNORECASE))
|
|
|
|
@staticmethod
|
|
def content_has_link(content):
|
|
# type: (text_type) -> bool
|
|
return 'http://' in content or 'https://' in content or '/user_uploads' in content
|
|
|
|
@staticmethod
|
|
def is_status_message(content, rendered_content):
|
|
# type: (text_type, text_type) -> bool
|
|
"""
|
|
Returns True if content and rendered_content are from 'me_message'
|
|
"""
|
|
if content.startswith('/me ') and '\n' not in content:
|
|
if rendered_content.startswith('<p>') and rendered_content.endswith('</p>'):
|
|
return True
|
|
return False
|
|
|
|
def update_calculated_fields(self):
|
|
# type: () -> None
|
|
# TODO: rendered_content could also be considered a calculated field
|
|
content = self.content
|
|
self.has_attachment = bool(Message.content_has_attachment(content))
|
|
self.has_image = bool(Message.content_has_image(content))
|
|
self.has_link = bool(Message.content_has_link(content))
|
|
|
|
@receiver(pre_save, sender=Message)
|
|
def pre_save_message(sender, **kwargs):
|
|
# type: (Any, **Any) -> None
|
|
if kwargs['update_fields'] is None or "content" in kwargs['update_fields']:
|
|
message = kwargs['instance']
|
|
message.update_calculated_fields()
|
|
|
|
def get_context_for_message(message):
|
|
# type: (Message) -> Sequence[Message]
|
|
# TODO: Change return type to QuerySet[Message]
|
|
return Message.objects.filter(
|
|
recipient_id=message.recipient_id,
|
|
subject=message.subject,
|
|
id__lt=message.id,
|
|
pub_date__gt=message.pub_date - timedelta(minutes=15),
|
|
).order_by('-id')[:10]
|
|
|
|
def flush_message(sender, **kwargs):
|
|
# type: (Any, **Any) -> None
|
|
message = kwargs['instance']
|
|
cache_delete(to_dict_cache_key(message, False))
|
|
cache_delete(to_dict_cache_key(message, True))
|
|
|
|
post_save.connect(flush_message, sender=Message)
|
|
|
|
# Whenever a message is sent, for each user current subscribed to the
|
|
# corresponding Recipient object, we add a row to the UserMessage
|
|
# table, which has has columns (id, user profile id, message id,
|
|
# flags) indicating which messages each user has received. This table
|
|
# allows us to quickly query any user's last 1000 messages to generate
|
|
# the home view.
|
|
#
|
|
# Additionally, the flags field stores metadata like whether the user
|
|
# has read the message, starred the message, collapsed or was
|
|
# mentioned the message, etc.
|
|
#
|
|
# UserMessage is the largest table in a Zulip installation, even
|
|
# though each row is only 4 integers.
|
|
class UserMessage(ModelReprMixin, models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
message = models.ForeignKey(Message) # type: Message
|
|
# We're not using the archived field for now, but create it anyway
|
|
# since this table will be an unpleasant one to do schema changes
|
|
# on later
|
|
ALL_FLAGS = ['read', 'starred', 'collapsed', 'mentioned', 'wildcard_mentioned',
|
|
'summarize_in_home', 'summarize_in_stream', 'force_expand', 'force_collapse',
|
|
'has_alert_word', "historical", 'is_me_message']
|
|
flags = BitField(flags=ALL_FLAGS, default=0) # type: BitHandler
|
|
|
|
class Meta(object):
|
|
unique_together = ("user_profile", "message")
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
display_recipient = get_display_recipient(self.message.recipient)
|
|
return u"<UserMessage: %s / %s (%s)>" % (display_recipient, self.user_profile.email, self.flags_list())
|
|
|
|
def flags_list(self):
|
|
# type: () -> List[str]
|
|
return [flag for flag in self.flags.keys() if getattr(self.flags, flag).is_set]
|
|
|
|
def parse_usermessage_flags(val):
|
|
# type: (int) -> List[str]
|
|
flags = []
|
|
mask = 1
|
|
for flag in UserMessage.ALL_FLAGS:
|
|
if val & mask:
|
|
flags.append(flag)
|
|
mask <<= 1
|
|
return flags
|
|
|
|
class Attachment(ModelReprMixin, models.Model):
|
|
MAX_FILENAME_LENGTH = 100
|
|
file_name = models.CharField(max_length=MAX_FILENAME_LENGTH, db_index=True) # type: text_type
|
|
# path_id is a storage location agnostic representation of the path of the file.
|
|
# If the path of a file is http://localhost:9991/user_uploads/a/b/abc/temp_file.py
|
|
# then its path_id will be a/b/abc/temp_file.py.
|
|
path_id = models.TextField(db_index=True) # type: text_type
|
|
owner = models.ForeignKey(UserProfile) # type: UserProfile
|
|
realm = models.ForeignKey(Realm, blank=True, null=True) # type: Realm
|
|
is_realm_public = models.BooleanField(default=False) # type: bool
|
|
messages = models.ManyToManyField(Message) # type: Manager
|
|
create_time = models.DateTimeField(default=timezone.now, db_index=True) # type: datetime.datetime
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
return u"<Attachment: %s>" % (self.file_name,)
|
|
|
|
def is_claimed(self):
|
|
# type: () -> bool
|
|
return self.messages.count() > 0
|
|
|
|
def get_url(self):
|
|
# type: () -> text_type
|
|
return u"/user_uploads/%s" % (self.path_id)
|
|
|
|
def get_attachments_by_owner_id(uid):
|
|
# type: (int) -> Sequence[Attachment]
|
|
# TODO: Change return type to QuerySet[Attachment]
|
|
return Attachment.objects.filter(owner=uid).select_related('owner')
|
|
|
|
def get_owners_from_file_name(file_name):
|
|
# type: (str) -> Sequence[Attachment]
|
|
# TODO: Change return type to QuerySet[Attachment]
|
|
# The returned vaule will list of owners since different users can upload
|
|
# same files with the same filename.
|
|
return Attachment.objects.filter(file_name=file_name).select_related('owner')
|
|
|
|
def get_old_unclaimed_attachments(weeks_ago):
|
|
# type: (int) -> Sequence[Attachment]
|
|
# TODO: Change return type to QuerySet[Attachment]
|
|
delta_weeks_ago = timezone.now() - datetime.timedelta(weeks=weeks_ago)
|
|
old_attachments = Attachment.objects.filter(messages=None, create_time__lt=delta_weeks_ago)
|
|
return old_attachments
|
|
|
|
class Subscription(ModelReprMixin, models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
recipient = models.ForeignKey(Recipient) # type: Recipient
|
|
active = models.BooleanField(default=True) # type: bool
|
|
in_home_view = models.NullBooleanField(default=True) # type: Optional[bool]
|
|
|
|
DEFAULT_STREAM_COLOR = u"#c2c2c2"
|
|
color = models.CharField(max_length=10, default=DEFAULT_STREAM_COLOR) # type: text_type
|
|
pin_to_top = models.BooleanField(default=False) # type: bool
|
|
|
|
desktop_notifications = models.BooleanField(default=True) # type: bool
|
|
audible_notifications = models.BooleanField(default=True) # type: bool
|
|
|
|
# Combination desktop + audible notifications superseded by the
|
|
# above.
|
|
notifications = models.BooleanField(default=False) # type: bool
|
|
|
|
class Meta(object):
|
|
unique_together = ("user_profile", "recipient")
|
|
|
|
def __unicode__(self):
|
|
# type: () -> text_type
|
|
return u"<Subscription: %r -> %s>" % (self.user_profile, self.recipient)
|
|
|
|
@cache_with_key(user_profile_by_id_cache_key, timeout=3600*24*7)
|
|
def get_user_profile_by_id(uid):
|
|
# type: (int) -> UserProfile
|
|
return UserProfile.objects.select_related().get(id=uid)
|
|
|
|
@cache_with_key(user_profile_by_email_cache_key, timeout=3600*24*7)
|
|
def get_user_profile_by_email(email):
|
|
# type: (text_type) -> UserProfile
|
|
return UserProfile.objects.select_related().get(email__iexact=email.strip())
|
|
|
|
@cache_with_key(active_user_dicts_in_realm_cache_key, timeout=3600*24*7)
|
|
def get_active_user_dicts_in_realm(realm):
|
|
# type: (Realm) -> List[Dict[str, Any]]
|
|
return UserProfile.objects.filter(realm=realm, is_active=True) \
|
|
.values(*active_user_dict_fields)
|
|
|
|
@cache_with_key(active_bot_dicts_in_realm_cache_key, timeout=3600*24*7)
|
|
def get_active_bot_dicts_in_realm(realm):
|
|
# type: (Realm) -> List[Dict[str, Any]]
|
|
return UserProfile.objects.filter(realm=realm, is_active=True, is_bot=True) \
|
|
.values(*active_bot_dict_fields)
|
|
|
|
def get_owned_bot_dicts(user_profile, include_all_realm_bots_if_admin=True):
|
|
# type: (UserProfile, bool) -> List[Dict[str, Any]]
|
|
if user_profile.is_realm_admin and include_all_realm_bots_if_admin:
|
|
result = get_active_bot_dicts_in_realm(user_profile.realm)
|
|
else:
|
|
result = UserProfile.objects.filter(realm=user_profile.realm, is_active=True, is_bot=True,
|
|
bot_owner=user_profile).values(*active_bot_dict_fields)
|
|
return [{'email': botdict['email'],
|
|
'full_name': botdict['full_name'],
|
|
'api_key': botdict['api_key'],
|
|
'default_sending_stream': botdict['default_sending_stream__name'],
|
|
'default_events_register_stream': botdict['default_events_register_stream__name'],
|
|
'default_all_public_streams': botdict['default_all_public_streams'],
|
|
'owner': botdict['bot_owner__email'],
|
|
'avatar_url': get_avatar_url(botdict['avatar_source'], botdict['email']),
|
|
}
|
|
for botdict in result]
|
|
|
|
def get_prereg_user_by_email(email):
|
|
# type: (text_type) -> PreregistrationUser
|
|
# A user can be invited many times, so only return the result of the latest
|
|
# invite.
|
|
return PreregistrationUser.objects.filter(email__iexact=email.strip()).latest("invited_at")
|
|
|
|
def get_cross_realm_users():
|
|
# type: () -> Set[text_type]
|
|
admin_realm = get_realm(settings.ADMIN_DOMAIN)
|
|
admin_realm_domain_admins = {u.email for u in admin_realm.get_admin_users()}
|
|
return admin_realm_domain_admins.union(set(settings.CROSS_REALM_BOT_EMAILS))
|
|
|
|
# The Huddle class represents a group of individuals who have had a
|
|
# Group Private Message conversation together. The actual membership
|
|
# of the Huddle is stored in the Subscription table just like with
|
|
# Streams, and a hash of that list is stored in the huddle_hash field
|
|
# below, to support efficiently mapping from a set of users to the
|
|
# corresponding Huddle object.
|
|
class Huddle(models.Model):
|
|
# TODO: We should consider whether using
|
|
# CommaSeparatedIntegerField would be better.
|
|
huddle_hash = models.CharField(max_length=40, db_index=True, unique=True) # type: text_type
|
|
|
|
def get_huddle_hash(id_list):
|
|
# type: (List[int]) -> text_type
|
|
id_list = sorted(set(id_list))
|
|
hash_key = ",".join(str(x) for x in id_list)
|
|
return make_safe_digest(hash_key)
|
|
|
|
def huddle_hash_cache_key(huddle_hash):
|
|
# type: (text_type) -> text_type
|
|
return u"huddle_by_hash:%s" % (huddle_hash,)
|
|
|
|
def get_huddle(id_list):
|
|
# type: (List[int]) -> Huddle
|
|
huddle_hash = get_huddle_hash(id_list)
|
|
return get_huddle_backend(huddle_hash, id_list)
|
|
|
|
@cache_with_key(lambda huddle_hash, id_list: huddle_hash_cache_key(huddle_hash), timeout=3600*24*7)
|
|
def get_huddle_backend(huddle_hash, id_list):
|
|
# type: (text_type, List[int]) -> Huddle
|
|
(huddle, created) = Huddle.objects.get_or_create(huddle_hash=huddle_hash)
|
|
if created:
|
|
with transaction.atomic():
|
|
recipient = Recipient.objects.create(type_id=huddle.id,
|
|
type=Recipient.HUDDLE)
|
|
subs_to_create = [Subscription(recipient=recipient,
|
|
user_profile=get_user_profile_by_id(user_profile_id))
|
|
for user_profile_id in id_list]
|
|
Subscription.objects.bulk_create(subs_to_create)
|
|
return huddle
|
|
|
|
def get_realm(domain):
|
|
# type: (text_type) -> Optional[Realm]
|
|
if not domain:
|
|
return None
|
|
try:
|
|
return Realm.objects.get(domain__iexact=domain.strip())
|
|
except Realm.DoesNotExist:
|
|
return None
|
|
|
|
def clear_database():
|
|
# type: () -> None
|
|
pylibmc.Client(['127.0.0.1']).flush_all()
|
|
model = None # type: Any
|
|
for model in [Message, Stream, UserProfile, Recipient,
|
|
Realm, Subscription, Huddle, UserMessage, Client,
|
|
DefaultStream]:
|
|
model.objects.all().delete()
|
|
Session.objects.all().delete()
|
|
|
|
class UserActivity(models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
client = models.ForeignKey(Client) # type: Client
|
|
query = models.CharField(max_length=50, db_index=True) # type: text_type
|
|
|
|
count = models.IntegerField() # type: int
|
|
last_visit = models.DateTimeField('last visit') # type: datetime.datetime
|
|
|
|
class Meta(object):
|
|
unique_together = ("user_profile", "client", "query")
|
|
|
|
class UserActivityInterval(models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
start = models.DateTimeField('start time', db_index=True) # type: datetime.datetime
|
|
end = models.DateTimeField('end time', db_index=True) # type: datetime.datetime
|
|
|
|
class UserPresence(models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
client = models.ForeignKey(Client) # type: Client
|
|
|
|
# Valid statuses
|
|
ACTIVE = 1
|
|
IDLE = 2
|
|
|
|
timestamp = models.DateTimeField('presence changed') # type: datetime.datetime
|
|
status = models.PositiveSmallIntegerField(default=ACTIVE) # type: int
|
|
|
|
@staticmethod
|
|
def status_to_string(status):
|
|
# type: (int) -> str
|
|
if status == UserPresence.ACTIVE:
|
|
return 'active'
|
|
elif status == UserPresence.IDLE:
|
|
return 'idle'
|
|
|
|
@staticmethod
|
|
def get_status_dict_by_realm(realm_id):
|
|
# type: (int) -> defaultdict[Any, Dict[Any, Any]]
|
|
user_statuses = defaultdict(dict) # type: defaultdict[Any, Dict[Any, Any]]
|
|
|
|
query = UserPresence.objects.filter(
|
|
user_profile__realm_id=realm_id,
|
|
user_profile__is_active=True,
|
|
user_profile__is_bot=False
|
|
).values(
|
|
'client__name',
|
|
'status',
|
|
'timestamp',
|
|
'user_profile__email',
|
|
'user_profile__id',
|
|
'user_profile__enable_offline_push_notifications',
|
|
'user_profile__is_mirror_dummy',
|
|
)
|
|
|
|
mobile_user_ids = [row['user'] for row in PushDeviceToken.objects.filter(
|
|
user__realm_id=1,
|
|
user__is_active=True,
|
|
user__is_bot=False,
|
|
).distinct("user").values("user")]
|
|
|
|
|
|
for row in query:
|
|
info = UserPresence.to_presence_dict(
|
|
client_name=row['client__name'],
|
|
status=row['status'],
|
|
dt=row['timestamp'],
|
|
push_enabled=row['user_profile__enable_offline_push_notifications'],
|
|
has_push_devices=row['user_profile__id'] in mobile_user_ids,
|
|
is_mirror_dummy=row['user_profile__is_mirror_dummy'],
|
|
)
|
|
user_statuses[row['user_profile__email']][row['client__name']] = info
|
|
|
|
return user_statuses
|
|
|
|
@staticmethod
|
|
def to_presence_dict(client_name=None, status=None, dt=None, push_enabled=None,
|
|
has_push_devices=None, is_mirror_dummy=None):
|
|
# type: (Optional[text_type], Optional[int], Optional[datetime.datetime], Optional[bool], Optional[bool], Optional[bool]) -> Dict[str, Any]
|
|
presence_val = UserPresence.status_to_string(status)
|
|
|
|
timestamp = datetime_to_timestamp(dt)
|
|
return dict(
|
|
client=client_name,
|
|
status=presence_val,
|
|
timestamp=timestamp,
|
|
pushable=(push_enabled and has_push_devices),
|
|
)
|
|
|
|
def to_dict(self):
|
|
# type: () -> Dict[str, Any]
|
|
return UserPresence.to_presence_dict(
|
|
client_name=self.client.name,
|
|
status=self.status,
|
|
dt=self.timestamp
|
|
)
|
|
|
|
@staticmethod
|
|
def status_from_string(status):
|
|
# type: (NonBinaryStr) -> Optional[int]
|
|
if status == 'active':
|
|
status_val = UserPresence.ACTIVE
|
|
elif status == 'idle':
|
|
status_val = UserPresence.IDLE
|
|
else:
|
|
status_val = None
|
|
|
|
return status_val
|
|
|
|
class Meta(object):
|
|
unique_together = ("user_profile", "client")
|
|
|
|
class DefaultStream(models.Model):
|
|
realm = models.ForeignKey(Realm) # type: Realm
|
|
stream = models.ForeignKey(Stream) # type: Stream
|
|
|
|
class Meta(object):
|
|
unique_together = ("realm", "stream")
|
|
|
|
class Referral(models.Model):
|
|
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
|
|
email = models.EmailField(blank=False, null=False) # type: text_type
|
|
timestamp = models.DateTimeField(auto_now_add=True, null=False) # type: datetime.datetime
|
|
|
|
# This table only gets used on Zulip Voyager instances
|
|
# For reasons of deliverability (and sending from multiple email addresses),
|
|
# we will still send from mandrill when we send things from the (staging.)zulip.com install
|
|
class ScheduledJob(models.Model):
|
|
scheduled_timestamp = models.DateTimeField(auto_now_add=False, null=False) # type: datetime.datetime
|
|
type = models.PositiveSmallIntegerField() # type: int
|
|
# Valid types are {email}
|
|
# for EMAIL, filter_string is recipient_email
|
|
EMAIL = 1
|
|
|
|
# JSON representation of the job's data. Be careful, as we are not relying on Django to do validation
|
|
data = models.TextField() # type: text_type
|
|
# Kind if like a ForeignKey, but table is determined by type.
|
|
filter_id = models.IntegerField(null=True) # type: Optional[int]
|
|
filter_string = models.CharField(max_length=100) # type: text_type
|