mirror of
				https://github.com/zulip/zulip.git
				synced 2025-11-04 05:53:43 +00:00 
			
		
		
		
	Relies on the fact that all the email template names now follow the same pattern. Note that there was some template_prefix-like computation being done in send_confirmation (conditioned on obj.realm.is_zephyr_mirror_realm); that computation is now being done in the callers.
		
			
				
	
	
		
			3477 lines
		
	
	
		
			150 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			3477 lines
		
	
	
		
			150 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import absolute_import
 | 
						|
from __future__ import print_function
 | 
						|
from typing import (
 | 
						|
    AbstractSet, Any, AnyStr, Callable, Dict, Iterable, List, Mapping, MutableMapping,
 | 
						|
    Optional, Sequence, Set, Text, Tuple, TypeVar, Union, cast,
 | 
						|
)
 | 
						|
 | 
						|
from django.utils.html import escape
 | 
						|
from django.utils.translation import ugettext as _
 | 
						|
from django.conf import settings
 | 
						|
from django.core import validators
 | 
						|
from analytics.lib.counts import COUNT_STATS, do_increment_logging_stat
 | 
						|
from zerver.lib.bugdown import (
 | 
						|
    BugdownRenderingException,
 | 
						|
    version as bugdown_version,
 | 
						|
    url_embed_preview_enabled_for_realm
 | 
						|
)
 | 
						|
from zerver.lib.cache import (
 | 
						|
    to_dict_cache_key,
 | 
						|
    to_dict_cache_key_id,
 | 
						|
)
 | 
						|
from zerver.lib.context_managers import lockfile
 | 
						|
from zerver.lib.hotspots import get_next_hotspots
 | 
						|
from zerver.lib.message import (
 | 
						|
    access_message,
 | 
						|
    MessageDict,
 | 
						|
    message_to_dict,
 | 
						|
    render_markdown,
 | 
						|
)
 | 
						|
from zerver.lib.realm_icon import realm_icon_url
 | 
						|
from zerver.models import Realm, RealmEmoji, Stream, UserProfile, UserActivity, RealmDomain, \
 | 
						|
    Subscription, Recipient, Message, Attachment, UserMessage, RealmAuditLog, UserHotspot, \
 | 
						|
    Client, DefaultStream, UserPresence, Referral, PushDeviceToken, MAX_SUBJECT_LENGTH, \
 | 
						|
    MAX_MESSAGE_LENGTH, get_client, get_stream, get_recipient, get_huddle, \
 | 
						|
    get_user_profile_by_id, PreregistrationUser, get_display_recipient, \
 | 
						|
    get_realm, bulk_get_recipients, \
 | 
						|
    email_allowed_for_realm, email_to_username, display_recipient_cache_key, \
 | 
						|
    get_user_profile_by_email, get_stream_cache_key, \
 | 
						|
    UserActivityInterval, get_active_user_dicts_in_realm, get_active_streams, \
 | 
						|
    realm_filters_for_realm, RealmFilter, receives_offline_notifications, \
 | 
						|
    ScheduledJob, get_owned_bot_dicts, \
 | 
						|
    get_old_unclaimed_attachments, get_cross_realm_emails, \
 | 
						|
    Reaction, EmailChangeStatus, CustomProfileField, custom_profile_fields_for_realm, \
 | 
						|
    CustomProfileFieldValue, validate_attachment_request
 | 
						|
 | 
						|
from zerver.lib.alert_words import alert_words_in_realm
 | 
						|
from zerver.lib.avatar import avatar_url
 | 
						|
 | 
						|
from django.db import transaction, IntegrityError, connection
 | 
						|
from django.db.models import F, Q
 | 
						|
from django.db.models.query import QuerySet
 | 
						|
from django.core.exceptions import ValidationError
 | 
						|
from django.core.mail import EmailMessage
 | 
						|
from django.utils.timezone import now as timezone_now
 | 
						|
 | 
						|
from confirmation.models import Confirmation, EmailChangeConfirmation
 | 
						|
import six
 | 
						|
from six.moves import filter
 | 
						|
from six.moves import map
 | 
						|
from six.moves import range
 | 
						|
from six import unichr
 | 
						|
 | 
						|
from zerver.lib.create_user import random_api_key
 | 
						|
from zerver.lib.timestamp import timestamp_to_datetime, datetime_to_timestamp
 | 
						|
from zerver.lib.queue import queue_json_publish
 | 
						|
from zerver.lib.create_user import create_user
 | 
						|
from zerver.lib import bugdown
 | 
						|
from zerver.lib.cache import cache_with_key, cache_set, \
 | 
						|
    user_profile_by_email_cache_key, cache_set_many, \
 | 
						|
    cache_delete, cache_delete_many
 | 
						|
from zerver.decorator import statsd_increment
 | 
						|
from zerver.lib.utils import log_statsd_event, statsd
 | 
						|
from zerver.lib.html_diff import highlight_html_differences
 | 
						|
from zerver.lib.alert_words import user_alert_words, add_user_alert_words, \
 | 
						|
    remove_user_alert_words, set_user_alert_words
 | 
						|
from zerver.lib.notifications import clear_followup_emails_queue
 | 
						|
from zerver.lib.narrow import check_supported_events_narrow_filter
 | 
						|
from zerver.lib.request import JsonableError
 | 
						|
from zerver.lib.sessions import delete_user_sessions
 | 
						|
from zerver.lib.upload import attachment_url_re, attachment_url_to_path_id, \
 | 
						|
    claim_attachment, delete_message_image
 | 
						|
from zerver.lib.str_utils import NonBinaryStr, force_str
 | 
						|
from zerver.tornado.event_queue import request_event_queue, send_event
 | 
						|
 | 
						|
import DNS
 | 
						|
import ujson
 | 
						|
import time
 | 
						|
import traceback
 | 
						|
import re
 | 
						|
import datetime
 | 
						|
import os
 | 
						|
import platform
 | 
						|
import logging
 | 
						|
import itertools
 | 
						|
from collections import defaultdict
 | 
						|
 | 
						|
# This will be used to type annotate parameters in a function if the function
 | 
						|
# works on both str and unicode in python 2 but in python 3 it only works on str.
 | 
						|
SizedTextIterable = Union[Sequence[Text], AbstractSet[Text]]
 | 
						|
 | 
						|
STREAM_ASSIGNMENT_COLORS = [
 | 
						|
    "#76ce90", "#fae589", "#a6c7e5", "#e79ab5",
 | 
						|
    "#bfd56f", "#f4ae55", "#b0a5fd", "#addfe5",
 | 
						|
    "#f5ce6e", "#c2726a", "#94c849", "#bd86e5",
 | 
						|
    "#ee7e4a", "#a6dcbf", "#95a5fd", "#53a063",
 | 
						|
    "#9987e1", "#e4523d", "#c2c2c2", "#4f8de4",
 | 
						|
    "#c6a8ad", "#e7cc4d", "#c8bebf", "#a47462"]
 | 
						|
 | 
						|
# Store an event in the log for re-importing messages
 | 
						|
def log_event(event):
 | 
						|
    # type: (MutableMapping[str, Any]) -> None
 | 
						|
    if settings.EVENT_LOG_DIR is None:
 | 
						|
        return
 | 
						|
 | 
						|
    if "timestamp" not in event:
 | 
						|
        event["timestamp"] = time.time()
 | 
						|
 | 
						|
    if not os.path.exists(settings.EVENT_LOG_DIR):
 | 
						|
        os.mkdir(settings.EVENT_LOG_DIR)
 | 
						|
 | 
						|
    template = os.path.join(settings.EVENT_LOG_DIR,
 | 
						|
                            '%s.' + platform.node() +
 | 
						|
                            timezone_now().strftime('.%Y-%m-%d'))
 | 
						|
 | 
						|
    with lockfile(template % ('lock',)):
 | 
						|
        with open(template % ('events',), 'a') as log:
 | 
						|
            log.write(force_str(ujson.dumps(event) + u'\n'))
 | 
						|
 | 
						|
def active_user_ids(realm):
 | 
						|
    # type: (Realm) -> List[int]
 | 
						|
    return [userdict['id'] for userdict in get_active_user_dicts_in_realm(realm)]
 | 
						|
 | 
						|
def can_access_stream_user_ids(stream):
 | 
						|
    # type: (Stream) -> Set[int]
 | 
						|
 | 
						|
    # return user ids of users who can access the attributes of
 | 
						|
    # a stream, such as its name/description
 | 
						|
    if stream.is_public():
 | 
						|
        return set(active_user_ids(stream.realm))
 | 
						|
    else:
 | 
						|
        return private_stream_user_ids(stream)
 | 
						|
 | 
						|
def private_stream_user_ids(stream):
 | 
						|
    # type: (Stream) -> Set[int]
 | 
						|
 | 
						|
    # TODO: Find similar queries elsewhere and de-duplicate this code.
 | 
						|
    subscriptions = Subscription.objects.filter(
 | 
						|
        recipient__type=Recipient.STREAM,
 | 
						|
        recipient__type_id=stream.id,
 | 
						|
        active=True)
 | 
						|
 | 
						|
    return {sub['user_profile_id'] for sub in subscriptions.values('user_profile_id')}
 | 
						|
 | 
						|
def bot_owner_userids(user_profile):
 | 
						|
    # type: (UserProfile) -> Set[int]
 | 
						|
    is_private_bot = (
 | 
						|
        user_profile.default_sending_stream and user_profile.default_sending_stream.invite_only or
 | 
						|
        user_profile.default_events_register_stream and user_profile.default_events_register_stream.invite_only)
 | 
						|
    if is_private_bot:
 | 
						|
        return {user_profile.bot_owner_id, }
 | 
						|
    else:
 | 
						|
        users = {user.id for user in user_profile.realm.get_admin_users()}
 | 
						|
        users.add(user_profile.bot_owner_id)
 | 
						|
        return users
 | 
						|
 | 
						|
def realm_user_count(realm):
 | 
						|
    # type: (Realm) -> int
 | 
						|
    return UserProfile.objects.filter(realm=realm, is_active=True, is_bot=False).count()
 | 
						|
 | 
						|
def get_topic_history_for_stream(user_profile, recipient):
 | 
						|
    # type: (UserProfile, Recipient) -> List[Tuple[str, int]]
 | 
						|
 | 
						|
    # We tested the below query on some large prod datasets, and we never
 | 
						|
    # saw more than 50ms to execute it, so we think that's acceptable,
 | 
						|
    # but we will monitor it, and we may later optimize it further.
 | 
						|
    query = '''
 | 
						|
        SELECT topic, read, count(*)
 | 
						|
        FROM (
 | 
						|
            SELECT
 | 
						|
                ("zerver_usermessage"."flags" & 1) as read,
 | 
						|
                "zerver_message"."subject" as topic,
 | 
						|
                "zerver_message"."id" as message_id
 | 
						|
            FROM "zerver_usermessage"
 | 
						|
            INNER JOIN "zerver_message" ON (
 | 
						|
                "zerver_usermessage"."message_id" = "zerver_message"."id"
 | 
						|
            ) WHERE (
 | 
						|
                "zerver_usermessage"."user_profile_id" = %s AND
 | 
						|
                "zerver_message"."recipient_id" = %s
 | 
						|
            ) ORDER BY "zerver_usermessage"."message_id" DESC
 | 
						|
        ) messages_for_stream
 | 
						|
        GROUP BY topic, read
 | 
						|
        ORDER BY max(message_id) desc
 | 
						|
    '''
 | 
						|
    cursor = connection.cursor()
 | 
						|
    cursor.execute(query, [user_profile.id, recipient.id])
 | 
						|
    rows = cursor.fetchall()
 | 
						|
    cursor.close()
 | 
						|
 | 
						|
    topic_names = dict() # type: Dict[str, str]
 | 
						|
    topic_counts = dict() # type: Dict[str, int]
 | 
						|
    topics = []
 | 
						|
    for row in rows:
 | 
						|
        topic_name, read, count = row
 | 
						|
        if topic_name.lower() not in topic_names:
 | 
						|
            topic_names[topic_name.lower()] = topic_name
 | 
						|
        topic_name = topic_names[topic_name.lower()]
 | 
						|
        if topic_name not in topic_counts:
 | 
						|
            topic_counts[topic_name] = 0
 | 
						|
            topics.append(topic_name)
 | 
						|
        if not read:
 | 
						|
            topic_counts[topic_name] += count
 | 
						|
 | 
						|
    history = [(topic, topic_counts[topic]) for topic in topics]
 | 
						|
    return history
 | 
						|
 | 
						|
def send_signup_message(sender, signups_stream, user_profile,
 | 
						|
                        internal=False, realm=None):
 | 
						|
    # type: (UserProfile, Text, UserProfile, bool, Optional[Realm]) -> None
 | 
						|
    if internal:
 | 
						|
        # When this is done using manage.py vs. the web interface
 | 
						|
        internal_blurb = " **INTERNAL SIGNUP** "
 | 
						|
    else:
 | 
						|
        internal_blurb = " "
 | 
						|
 | 
						|
    user_count = realm_user_count(user_profile.realm)
 | 
						|
    # Send notification to realm notifications stream if it exists
 | 
						|
    # Don't send notification for the first user in a realm
 | 
						|
    if user_profile.realm.notifications_stream is not None and user_count > 1:
 | 
						|
        internal_send_message(
 | 
						|
            user_profile.realm,
 | 
						|
            sender,
 | 
						|
            "stream",
 | 
						|
            user_profile.realm.notifications_stream.name,
 | 
						|
            "New users", "%s just signed up for Zulip. Say hello!" % (
 | 
						|
                user_profile.full_name,)
 | 
						|
        )
 | 
						|
 | 
						|
    # We also send a notification to the Zulip administrative realm
 | 
						|
    admin_realm = get_user_profile_by_email(sender).realm
 | 
						|
    try:
 | 
						|
        # Check whether the stream exists
 | 
						|
        get_stream(signups_stream, admin_realm)
 | 
						|
    except Stream.DoesNotExist:
 | 
						|
        # If the signups stream hasn't been created in the admin
 | 
						|
        # realm, don't auto-create it to send to it; just do nothing.
 | 
						|
        return
 | 
						|
    internal_send_message(
 | 
						|
        admin_realm,
 | 
						|
        sender,
 | 
						|
        "stream",
 | 
						|
        signups_stream,
 | 
						|
        user_profile.realm.string_id,
 | 
						|
        "%s <`%s`> just signed up for Zulip!%s(total: **%i**)" % (
 | 
						|
            user_profile.full_name,
 | 
						|
            user_profile.email,
 | 
						|
            internal_blurb,
 | 
						|
            user_count,
 | 
						|
        )
 | 
						|
    )
 | 
						|
 | 
						|
def notify_new_user(user_profile, internal=False):
 | 
						|
    # type: (UserProfile, bool) -> None
 | 
						|
    if settings.NEW_USER_BOT is not None:
 | 
						|
        send_signup_message(settings.NEW_USER_BOT, "signups", user_profile, internal)
 | 
						|
    statsd.gauge("users.signups.%s" % (user_profile.realm.string_id), 1, delta=True)
 | 
						|
 | 
						|
def add_new_user_history(user_profile, streams):
 | 
						|
    # type: (UserProfile, Iterable[Stream]) -> None
 | 
						|
    """Give you the last 100 messages on your public streams, so you have
 | 
						|
    something to look at in your home view once you finish the
 | 
						|
    tutorial."""
 | 
						|
    one_week_ago = timezone_now() - datetime.timedelta(weeks=1)
 | 
						|
    recipients = Recipient.objects.filter(type=Recipient.STREAM,
 | 
						|
                                          type_id__in=[stream.id for stream in streams
 | 
						|
                                                       if not stream.invite_only])
 | 
						|
    recent_messages = Message.objects.filter(recipient_id__in=recipients,
 | 
						|
                                             pub_date__gt=one_week_ago).order_by("-id")
 | 
						|
    message_ids_to_use = list(reversed(recent_messages.values_list('id', flat=True)[0:100]))
 | 
						|
    if len(message_ids_to_use) == 0:
 | 
						|
        return
 | 
						|
 | 
						|
    # Handle the race condition where a message arrives between
 | 
						|
    # bulk_add_subscriptions above and the Message query just above
 | 
						|
    already_ids = set(UserMessage.objects.filter(message_id__in=message_ids_to_use,
 | 
						|
                                                 user_profile=user_profile).values_list("message_id", flat=True))
 | 
						|
    ums_to_create = [UserMessage(user_profile=user_profile, message_id=message_id,
 | 
						|
                                 flags=UserMessage.flags.read)
 | 
						|
                     for message_id in message_ids_to_use
 | 
						|
                     if message_id not in already_ids]
 | 
						|
 | 
						|
    UserMessage.objects.bulk_create(ums_to_create)
 | 
						|
 | 
						|
# Does the processing for a new user account:
 | 
						|
# * Subscribes to default/invitation streams
 | 
						|
# * Fills in some recent historical messages
 | 
						|
# * Notifies other users in realm and Zulip about the signup
 | 
						|
# * Deactivates PreregistrationUser objects
 | 
						|
# * subscribe the user to newsletter if newsletter_data is specified
 | 
						|
def process_new_human_user(user_profile, prereg_user=None, newsletter_data=None):
 | 
						|
    # type: (UserProfile, Optional[PreregistrationUser], Optional[Dict[str, str]]) -> None
 | 
						|
    mit_beta_user = user_profile.realm.is_zephyr_mirror_realm
 | 
						|
    try:
 | 
						|
        streams = prereg_user.streams.all()
 | 
						|
    except AttributeError:
 | 
						|
        # This will catch both the case where prereg_user is None and where it
 | 
						|
        # is a MitUser.
 | 
						|
        streams = []
 | 
						|
 | 
						|
    # If the user's invitation didn't explicitly list some streams, we
 | 
						|
    # add the default streams
 | 
						|
    if len(streams) == 0:
 | 
						|
        streams = get_default_subs(user_profile)
 | 
						|
    bulk_add_subscriptions(streams, [user_profile])
 | 
						|
 | 
						|
    add_new_user_history(user_profile, streams)
 | 
						|
 | 
						|
    # mit_beta_users don't have a referred_by field
 | 
						|
    if not mit_beta_user and prereg_user is not None and prereg_user.referred_by is not None \
 | 
						|
            and settings.NOTIFICATION_BOT is not None:
 | 
						|
        # This is a cross-realm private message.
 | 
						|
        internal_send_message(
 | 
						|
            user_profile.realm,
 | 
						|
            settings.NOTIFICATION_BOT,
 | 
						|
            "private",
 | 
						|
            prereg_user.referred_by.email,
 | 
						|
            user_profile.realm.string_id,
 | 
						|
            "%s <`%s`> accepted your invitation to join Zulip!" % (
 | 
						|
                user_profile.full_name,
 | 
						|
                user_profile.email,
 | 
						|
            )
 | 
						|
        )
 | 
						|
    # Mark any other PreregistrationUsers that are STATUS_ACTIVE as
 | 
						|
    # inactive so we can keep track of the PreregistrationUser we
 | 
						|
    # actually used for analytics
 | 
						|
    if prereg_user is not None:
 | 
						|
        PreregistrationUser.objects.filter(email__iexact=user_profile.email).exclude(
 | 
						|
            id=prereg_user.id).update(status=0)
 | 
						|
    else:
 | 
						|
        PreregistrationUser.objects.filter(email__iexact=user_profile.email).update(status=0)
 | 
						|
 | 
						|
    notify_new_user(user_profile)
 | 
						|
 | 
						|
    if newsletter_data is not None:
 | 
						|
        # If the user was created automatically via the API, we may
 | 
						|
        # not want to register them for the newsletter
 | 
						|
        queue_json_publish(
 | 
						|
            "signups",
 | 
						|
            {
 | 
						|
                'email_address': user_profile.email,
 | 
						|
                'merge_fields': {
 | 
						|
                    'NAME': user_profile.full_name,
 | 
						|
                    'REALM_ID': user_profile.realm_id,
 | 
						|
                    'OPTIN_IP': newsletter_data["IP"],
 | 
						|
                    'OPTIN_TIME': datetime.datetime.isoformat(timezone_now().replace(microsecond=0)),
 | 
						|
                },
 | 
						|
            },
 | 
						|
            lambda event: None)
 | 
						|
 | 
						|
def notify_created_user(user_profile):
 | 
						|
    # type: (UserProfile) -> None
 | 
						|
    event = dict(type="realm_user", op="add",
 | 
						|
                 person=dict(email=user_profile.email,
 | 
						|
                             user_id=user_profile.id,
 | 
						|
                             is_admin=user_profile.is_realm_admin,
 | 
						|
                             full_name=user_profile.full_name,
 | 
						|
                             avatar_url=avatar_url(user_profile),
 | 
						|
                             timezone=user_profile.timezone,
 | 
						|
                             is_bot=user_profile.is_bot))
 | 
						|
    send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
def notify_created_bot(user_profile):
 | 
						|
    # type: (UserProfile) -> None
 | 
						|
 | 
						|
    def stream_name(stream):
 | 
						|
        # type: (Optional[Stream]) -> Optional[Text]
 | 
						|
        if not stream:
 | 
						|
            return None
 | 
						|
        return stream.name
 | 
						|
 | 
						|
    default_sending_stream_name = stream_name(user_profile.default_sending_stream)
 | 
						|
    default_events_register_stream_name = stream_name(user_profile.default_events_register_stream)
 | 
						|
 | 
						|
    bot = dict(email=user_profile.email,
 | 
						|
               user_id=user_profile.id,
 | 
						|
               full_name=user_profile.full_name,
 | 
						|
               is_active=user_profile.is_active,
 | 
						|
               api_key=user_profile.api_key,
 | 
						|
               default_sending_stream=default_sending_stream_name,
 | 
						|
               default_events_register_stream=default_events_register_stream_name,
 | 
						|
               default_all_public_streams=user_profile.default_all_public_streams,
 | 
						|
               avatar_url=avatar_url(user_profile),
 | 
						|
               )
 | 
						|
 | 
						|
    # Set the owner key only when the bot has an owner.
 | 
						|
    # The default bots don't have an owner. So don't
 | 
						|
    # set the owner key while reactivating them.
 | 
						|
    if user_profile.bot_owner is not None:
 | 
						|
        bot['owner'] = user_profile.bot_owner.email
 | 
						|
 | 
						|
    event = dict(type="realm_bot", op="add", bot=bot)
 | 
						|
    send_event(event, bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_create_user(email, password, realm, full_name, short_name,
 | 
						|
                   active=True, bot_type=None, bot_owner=None, tos_version=None,
 | 
						|
                   avatar_source=UserProfile.AVATAR_FROM_GRAVATAR,
 | 
						|
                   default_sending_stream=None, default_events_register_stream=None,
 | 
						|
                   default_all_public_streams=None, prereg_user=None,
 | 
						|
                   newsletter_data=None):
 | 
						|
    # type: (Text, Text, Realm, Text, Text, bool, Optional[int], Optional[UserProfile], Optional[Text], Text, Optional[Stream], Optional[Stream], bool, Optional[PreregistrationUser], Optional[Dict[str, str]]) -> UserProfile
 | 
						|
    user_profile = create_user(email=email, password=password, realm=realm,
 | 
						|
                               full_name=full_name, short_name=short_name,
 | 
						|
                               active=active, bot_type=bot_type, bot_owner=bot_owner,
 | 
						|
                               tos_version=tos_version, avatar_source=avatar_source,
 | 
						|
                               default_sending_stream=default_sending_stream,
 | 
						|
                               default_events_register_stream=default_events_register_stream,
 | 
						|
                               default_all_public_streams=default_all_public_streams)
 | 
						|
 | 
						|
    event_time = user_profile.date_joined
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, modified_user=user_profile,
 | 
						|
                                 event_type='user_created', event_time=event_time)
 | 
						|
    do_increment_logging_stat(user_profile.realm, COUNT_STATS['active_users_log:is_bot:day'],
 | 
						|
                              user_profile.is_bot, event_time)
 | 
						|
 | 
						|
    notify_created_user(user_profile)
 | 
						|
    if bot_type:
 | 
						|
        notify_created_bot(user_profile)
 | 
						|
    else:
 | 
						|
        process_new_human_user(user_profile, prereg_user=prereg_user,
 | 
						|
                               newsletter_data=newsletter_data)
 | 
						|
    return user_profile
 | 
						|
 | 
						|
def active_humans_in_realm(realm):
 | 
						|
    # type: (Realm) -> Sequence[UserProfile]
 | 
						|
    return UserProfile.objects.filter(realm=realm, is_active=True, is_bot=False)
 | 
						|
 | 
						|
 | 
						|
def do_set_realm_property(realm, name, value):
 | 
						|
    # type: (Realm, str, Union[Text, bool, int]) -> None
 | 
						|
    """Takes in a realm object, the name of an attribute to update, and the
 | 
						|
    value to update.
 | 
						|
    """
 | 
						|
    property_type = Realm.property_types[name]
 | 
						|
    assert isinstance(value, property_type), (
 | 
						|
        'Cannot update %s: %s is not an instance of %s' % (
 | 
						|
            name, value, property_type,))
 | 
						|
 | 
						|
    setattr(realm, name, value)
 | 
						|
    realm.save(update_fields=[name])
 | 
						|
    event = dict(
 | 
						|
        type='realm',
 | 
						|
        op='update',
 | 
						|
        property=name,
 | 
						|
        value=value,
 | 
						|
    )
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
 | 
						|
def do_set_realm_authentication_methods(realm, authentication_methods):
 | 
						|
    # type: (Realm, Dict[str, bool]) -> None
 | 
						|
    for key, value in list(authentication_methods.items()):
 | 
						|
        index = getattr(realm.authentication_methods, key).number
 | 
						|
        realm.authentication_methods.set_bit(index, int(value))
 | 
						|
    realm.save(update_fields=['authentication_methods'])
 | 
						|
    event = dict(
 | 
						|
        type="realm",
 | 
						|
        op="update_dict",
 | 
						|
        property='default',
 | 
						|
        data=dict(authentication_methods=realm.authentication_methods_dict())
 | 
						|
    )
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
 | 
						|
def do_set_realm_message_editing(realm, allow_message_editing, message_content_edit_limit_seconds):
 | 
						|
    # type: (Realm, bool, int) -> None
 | 
						|
    realm.allow_message_editing = allow_message_editing
 | 
						|
    realm.message_content_edit_limit_seconds = message_content_edit_limit_seconds
 | 
						|
    realm.save(update_fields=['allow_message_editing', 'message_content_edit_limit_seconds'])
 | 
						|
    event = dict(
 | 
						|
        type="realm",
 | 
						|
        op="update_dict",
 | 
						|
        property="default",
 | 
						|
        data=dict(allow_message_editing=allow_message_editing,
 | 
						|
                  message_content_edit_limit_seconds=message_content_edit_limit_seconds),
 | 
						|
    )
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
def do_deactivate_realm(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    """
 | 
						|
    Deactivate this realm. Do NOT deactivate the users -- we need to be able to
 | 
						|
    tell the difference between users that were intentionally deactivated,
 | 
						|
    e.g. by a realm admin, and users who can't currently use Zulip because their
 | 
						|
    realm has been deactivated.
 | 
						|
    """
 | 
						|
    if realm.deactivated:
 | 
						|
        return
 | 
						|
 | 
						|
    realm.deactivated = True
 | 
						|
    realm.save(update_fields=["deactivated"])
 | 
						|
 | 
						|
    for user in active_humans_in_realm(realm):
 | 
						|
        # Don't deactivate the users, but do delete their sessions so they get
 | 
						|
        # bumped to the login screen, where they'll get a realm deactivation
 | 
						|
        # notice when they try to log in.
 | 
						|
        delete_user_sessions(user)
 | 
						|
 | 
						|
def do_reactivate_realm(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    realm.deactivated = False
 | 
						|
    realm.save(update_fields=["deactivated"])
 | 
						|
 | 
						|
def do_deactivate_user(user_profile, _cascade=True):
 | 
						|
    # type: (UserProfile, bool) -> None
 | 
						|
    if not user_profile.is_active:
 | 
						|
        return
 | 
						|
 | 
						|
    user_profile.is_active = False
 | 
						|
    user_profile.save(update_fields=["is_active"])
 | 
						|
 | 
						|
    delete_user_sessions(user_profile)
 | 
						|
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, modified_user=user_profile,
 | 
						|
                                 event_type='user_deactivated', event_time=event_time)
 | 
						|
    do_increment_logging_stat(user_profile.realm, COUNT_STATS['active_users_log:is_bot:day'],
 | 
						|
                              user_profile.is_bot, event_time, increment=-1)
 | 
						|
 | 
						|
    event = dict(type="realm_user", op="remove",
 | 
						|
                 person=dict(email=user_profile.email,
 | 
						|
                             user_id=user_profile.id,
 | 
						|
                             full_name=user_profile.full_name))
 | 
						|
    send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
    if user_profile.is_bot:
 | 
						|
        event = dict(type="realm_bot", op="remove",
 | 
						|
                     bot=dict(email=user_profile.email,
 | 
						|
                              user_id=user_profile.id,
 | 
						|
                              full_name=user_profile.full_name))
 | 
						|
        send_event(event, bot_owner_userids(user_profile))
 | 
						|
 | 
						|
    if _cascade:
 | 
						|
        bot_profiles = UserProfile.objects.filter(is_bot=True, is_active=True,
 | 
						|
                                                  bot_owner=user_profile)
 | 
						|
        for profile in bot_profiles:
 | 
						|
            do_deactivate_user(profile, _cascade=False)
 | 
						|
 | 
						|
def do_deactivate_stream(stream, log=True):
 | 
						|
    # type: (Stream, bool) -> None
 | 
						|
 | 
						|
    # Get the affected user ids *before* we deactivate everybody.
 | 
						|
    affected_user_ids = can_access_stream_user_ids(stream)
 | 
						|
 | 
						|
    Subscription.objects.select_related('user_profile').filter(
 | 
						|
        recipient__type=Recipient.STREAM,
 | 
						|
        recipient__type_id=stream.id,
 | 
						|
        active=True).update(active=False)
 | 
						|
 | 
						|
    was_invite_only = stream.invite_only
 | 
						|
    stream.deactivated = True
 | 
						|
    stream.invite_only = True
 | 
						|
    # Preserve as much as possible the original stream name while giving it a
 | 
						|
    # special prefix that both indicates that the stream is deactivated and
 | 
						|
    # frees up the original name for reuse.
 | 
						|
    old_name = stream.name
 | 
						|
    new_name = ("!DEACTIVATED:" + old_name)[:Stream.MAX_NAME_LENGTH]
 | 
						|
    for i in range(20):
 | 
						|
        try:
 | 
						|
            get_stream(new_name, stream.realm)
 | 
						|
            # This stream has alrady been deactivated, keep prepending !s until
 | 
						|
            # we have a unique stream name or you've hit a rename limit.
 | 
						|
            new_name = ("!" + new_name)[:Stream.MAX_NAME_LENGTH]
 | 
						|
        except Stream.DoesNotExist:
 | 
						|
            break
 | 
						|
 | 
						|
    # If you don't have a unique name at this point, this will fail later in the
 | 
						|
    # code path.
 | 
						|
 | 
						|
    stream.name = new_name[:Stream.MAX_NAME_LENGTH]
 | 
						|
    stream.save()
 | 
						|
 | 
						|
    DefaultStream.objects.filter(realm=stream.realm, stream=stream).delete()
 | 
						|
 | 
						|
    # Remove the old stream information from remote cache.
 | 
						|
    old_cache_key = get_stream_cache_key(old_name, stream.realm)
 | 
						|
    cache_delete(old_cache_key)
 | 
						|
 | 
						|
    stream_dict = stream.to_dict()
 | 
						|
    stream_dict.update(dict(name=old_name, invite_only=was_invite_only))
 | 
						|
    event = dict(type="stream", op="delete",
 | 
						|
                 streams=[stream_dict])
 | 
						|
    send_event(event, affected_user_ids)
 | 
						|
 | 
						|
def do_change_user_email(user_profile, new_email):
 | 
						|
    # type: (UserProfile, Text) -> None
 | 
						|
    user_profile.email = new_email
 | 
						|
    user_profile.save(update_fields=["email"])
 | 
						|
 | 
						|
    payload = dict(user_id=user_profile.id,
 | 
						|
                   new_email=new_email)
 | 
						|
    send_event(dict(type='realm_user', op='update', person=payload),
 | 
						|
               active_user_ids(user_profile.realm))
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, acting_user=user_profile,
 | 
						|
                                 modified_user=user_profile, event_type='user_email_changed',
 | 
						|
                                 event_time=event_time)
 | 
						|
 | 
						|
def do_start_email_change_process(user_profile, new_email):
 | 
						|
    # type: (UserProfile, Text) -> None
 | 
						|
    old_email = user_profile.email
 | 
						|
    user_profile.email = new_email
 | 
						|
 | 
						|
    context = {'support_email': settings.ZULIP_ADMINISTRATOR,
 | 
						|
               'verbose_support_offers': settings.VERBOSE_SUPPORT_OFFERS,
 | 
						|
               'realm': user_profile.realm,
 | 
						|
               'old_email': old_email,
 | 
						|
               'new_email': new_email,
 | 
						|
               }
 | 
						|
 | 
						|
    with transaction.atomic():
 | 
						|
        obj = EmailChangeStatus.objects.create(new_email=new_email,
 | 
						|
                                               old_email=old_email,
 | 
						|
                                               user_profile=user_profile,
 | 
						|
                                               realm=user_profile.realm)
 | 
						|
 | 
						|
        EmailChangeConfirmation.objects.send_confirmation(
 | 
						|
            obj, 'confirmation/emailchangestatus_confirmation_email', new_email,
 | 
						|
            additional_context=context,
 | 
						|
            host=user_profile.realm.host,
 | 
						|
        )
 | 
						|
 | 
						|
def compute_irc_user_fullname(email):
 | 
						|
    # type: (NonBinaryStr) -> NonBinaryStr
 | 
						|
    return email.split("@")[0] + " (IRC)"
 | 
						|
 | 
						|
def compute_jabber_user_fullname(email):
 | 
						|
    # type: (NonBinaryStr) -> NonBinaryStr
 | 
						|
    return email.split("@")[0] + " (XMPP)"
 | 
						|
 | 
						|
def compute_mit_user_fullname(email):
 | 
						|
    # type: (NonBinaryStr) -> NonBinaryStr
 | 
						|
    try:
 | 
						|
        # Input is either e.g. username@mit.edu or user|CROSSREALM.INVALID@mit.edu
 | 
						|
        match_user = re.match(r'^([a-zA-Z0-9_.-]+)(\|.+)?@mit\.edu$', email.lower())
 | 
						|
        if match_user and match_user.group(2) is None:
 | 
						|
            answer = DNS.dnslookup(
 | 
						|
                "%s.passwd.ns.athena.mit.edu" % (match_user.group(1),),
 | 
						|
                DNS.Type.TXT)
 | 
						|
            hesiod_name = force_str(answer[0][0]).split(':')[4].split(',')[0].strip()
 | 
						|
            if hesiod_name != "":
 | 
						|
                return hesiod_name
 | 
						|
        elif match_user:
 | 
						|
            return match_user.group(1).lower() + "@" + match_user.group(2).upper()[1:]
 | 
						|
    except DNS.Base.ServerError:
 | 
						|
        pass
 | 
						|
    except Exception:
 | 
						|
        print("Error getting fullname for %s:" % (email,))
 | 
						|
        traceback.print_exc()
 | 
						|
    return email.lower()
 | 
						|
 | 
						|
@cache_with_key(lambda realm, email, f: user_profile_by_email_cache_key(email),
 | 
						|
                timeout=3600*24*7)
 | 
						|
def create_mirror_user_if_needed(realm, email, email_to_fullname):
 | 
						|
    # type: (Realm, Text, Callable[[Text], Text]) -> UserProfile
 | 
						|
    try:
 | 
						|
        return get_user_profile_by_email(email)
 | 
						|
    except UserProfile.DoesNotExist:
 | 
						|
        try:
 | 
						|
            # Forge a user for this person
 | 
						|
            return create_user(email, None, realm,
 | 
						|
                               email_to_fullname(email), email_to_username(email),
 | 
						|
                               active=False, is_mirror_dummy=True)
 | 
						|
        except IntegrityError:
 | 
						|
            return get_user_profile_by_email(email)
 | 
						|
 | 
						|
def render_incoming_message(message, content, message_users, realm):
 | 
						|
    # type: (Message, Text, Set[UserProfile], Realm) -> Text
 | 
						|
    realm_alert_words = alert_words_in_realm(realm)
 | 
						|
    try:
 | 
						|
        rendered_content = render_markdown(
 | 
						|
            message=message,
 | 
						|
            content=content,
 | 
						|
            realm=realm,
 | 
						|
            realm_alert_words=realm_alert_words,
 | 
						|
            message_users=message_users,
 | 
						|
        )
 | 
						|
    except BugdownRenderingException:
 | 
						|
        raise JsonableError(_('Unable to render message'))
 | 
						|
    return rendered_content
 | 
						|
 | 
						|
def get_recipient_user_profiles(recipient, sender_id):
 | 
						|
    # type: (Recipient, Text) -> List[UserProfile]
 | 
						|
    if recipient.type == Recipient.PERSONAL:
 | 
						|
        recipients = list(set([get_user_profile_by_id(recipient.type_id),
 | 
						|
                               get_user_profile_by_id(sender_id)]))
 | 
						|
        # For personals, you send out either 1 or 2 copies, for
 | 
						|
        # personals to yourself or to someone else, respectively.
 | 
						|
        assert((len(recipients) == 1) or (len(recipients) == 2))
 | 
						|
    elif (recipient.type == Recipient.STREAM or recipient.type == Recipient.HUDDLE):
 | 
						|
        # We use select_related()/only() here, while the PERSONAL case above uses
 | 
						|
        # get_user_profile_by_id() to get UserProfile objects from cache.  Streams will
 | 
						|
        # typically have more recipients than PMs, so get_user_profile_by_id() would be
 | 
						|
        # a bit more expensive here, given that we need to hit the DB anyway and only
 | 
						|
        # care about the email from the user profile.
 | 
						|
        fields = [
 | 
						|
            'user_profile__id',
 | 
						|
            'user_profile__email',
 | 
						|
            'user_profile__enable_online_push_notifications',
 | 
						|
            'user_profile__is_active',
 | 
						|
            'user_profile__is_bot',
 | 
						|
            'user_profile__bot_type',
 | 
						|
        ]
 | 
						|
        query = Subscription.objects.select_related("user_profile").only(*fields).filter(
 | 
						|
            recipient=recipient, active=True)
 | 
						|
        recipients = [s.user_profile for s in query]
 | 
						|
    else:
 | 
						|
        raise ValueError('Bad recipient type')
 | 
						|
    return recipients
 | 
						|
 | 
						|
def do_send_messages(messages_maybe_none):
 | 
						|
    # type: (Sequence[Optional[MutableMapping[str, Any]]]) -> List[int]
 | 
						|
    # Filter out messages which didn't pass internal_prep_message properly
 | 
						|
    messages = [message for message in messages_maybe_none if message is not None]
 | 
						|
 | 
						|
    # Filter out zephyr mirror anomalies where the message was already sent
 | 
						|
    already_sent_ids = [] # type: List[int]
 | 
						|
    new_messages = [] # type: List[MutableMapping[str, Any]]
 | 
						|
    for message in messages:
 | 
						|
        if isinstance(message['message'], int):
 | 
						|
            already_sent_ids.append(message['message'])
 | 
						|
        else:
 | 
						|
            new_messages.append(message)
 | 
						|
    messages = new_messages
 | 
						|
 | 
						|
    # For consistency, changes to the default values for these gets should also be applied
 | 
						|
    # to the default args in do_send_message
 | 
						|
    for message in messages:
 | 
						|
        message['rendered_content'] = message.get('rendered_content', None)
 | 
						|
        message['stream'] = message.get('stream', None)
 | 
						|
        message['local_id'] = message.get('local_id', None)
 | 
						|
        message['sender_queue_id'] = message.get('sender_queue_id', None)
 | 
						|
        message['realm'] = message.get('realm', message['message'].sender.realm)
 | 
						|
 | 
						|
    for message in messages:
 | 
						|
        message['recipients'] = get_recipient_user_profiles(message['message'].recipient,
 | 
						|
                                                            message['message'].sender_id)
 | 
						|
        # Only deliver the message to active user recipients
 | 
						|
        message['active_recipients'] = [user_profile for user_profile in message['recipients']
 | 
						|
                                        if user_profile.is_active]
 | 
						|
 | 
						|
    links_for_embed = set() # type: Set[Text]
 | 
						|
    # Render our messages.
 | 
						|
    for message in messages:
 | 
						|
        assert message['message'].rendered_content is None
 | 
						|
        rendered_content = render_incoming_message(
 | 
						|
            message['message'],
 | 
						|
            message['message'].content,
 | 
						|
            message['active_recipients'],
 | 
						|
            message['realm'])
 | 
						|
        message['message'].rendered_content = rendered_content
 | 
						|
        message['message'].rendered_content_version = bugdown_version
 | 
						|
        links_for_embed |= message['message'].links_for_preview
 | 
						|
 | 
						|
    for message in messages:
 | 
						|
        message['message'].update_calculated_fields()
 | 
						|
 | 
						|
    # Save the message receipts in the database
 | 
						|
    user_message_flags = defaultdict(dict) # type: Dict[int, Dict[int, List[str]]]
 | 
						|
    with transaction.atomic():
 | 
						|
        Message.objects.bulk_create([message['message'] for message in messages])
 | 
						|
        ums = [] # type: List[UserMessage]
 | 
						|
        for message in messages:
 | 
						|
            # Outgoing webhook bots don't store UserMessage rows; they will be processed later.
 | 
						|
            ums_to_create = [UserMessage(user_profile=user_profile, message=message['message'])
 | 
						|
                             for user_profile in message['active_recipients']
 | 
						|
                             if user_profile.bot_type != UserProfile.OUTGOING_WEBHOOK_BOT]
 | 
						|
 | 
						|
            # These properties on the Message are set via
 | 
						|
            # render_markdown by code in the bugdown inline patterns
 | 
						|
            wildcard = message['message'].mentions_wildcard
 | 
						|
            mentioned_ids = message['message'].mentions_user_ids
 | 
						|
            ids_with_alert_words = message['message'].user_ids_with_alert_words
 | 
						|
            is_me_message = message['message'].is_me_message
 | 
						|
 | 
						|
            for um in ums_to_create:
 | 
						|
                if um.user_profile.id == message['message'].sender.id and \
 | 
						|
                        message['message'].sent_by_human():
 | 
						|
                    um.flags |= UserMessage.flags.read
 | 
						|
                if wildcard:
 | 
						|
                    um.flags |= UserMessage.flags.wildcard_mentioned
 | 
						|
                if um.user_profile_id in mentioned_ids:
 | 
						|
                    um.flags |= UserMessage.flags.mentioned
 | 
						|
                if um.user_profile_id in ids_with_alert_words:
 | 
						|
                    um.flags |= UserMessage.flags.has_alert_word
 | 
						|
                if is_me_message:
 | 
						|
                    um.flags |= UserMessage.flags.is_me_message
 | 
						|
 | 
						|
                user_message_flags[message['message'].id][um.user_profile_id] = um.flags_list()
 | 
						|
            ums.extend(ums_to_create)
 | 
						|
 | 
						|
            # Now prepare the outgoing webhook events
 | 
						|
 | 
						|
            message['message'].outgoing_webhook_bot_triggers = []
 | 
						|
            # TODO: Right now, outgoing webhook bots need to be a
 | 
						|
            # subscribed to a stream in order to receive messages when
 | 
						|
            # mentioned; we will want to change that structure.
 | 
						|
            for user_profile in message['active_recipients']:
 | 
						|
                trigger = None
 | 
						|
                if not user_profile.is_bot:
 | 
						|
                    continue
 | 
						|
                if user_profile.bot_type != UserProfile.OUTGOING_WEBHOOK_BOT:
 | 
						|
                    continue
 | 
						|
 | 
						|
                # Currently, we only support mentions as triggers, but
 | 
						|
                # this code structure should make it easy to add more.
 | 
						|
 | 
						|
                if user_profile.id in mentioned_ids:
 | 
						|
                    trigger = "mention"
 | 
						|
 | 
						|
                if trigger is None:
 | 
						|
                    continue
 | 
						|
                message['message'].outgoing_webhook_bot_triggers.append({
 | 
						|
                    'trigger': trigger,
 | 
						|
                    'user_profile': user_profile,
 | 
						|
                })
 | 
						|
        UserMessage.objects.bulk_create(ums)
 | 
						|
 | 
						|
        # Claim attachments in message
 | 
						|
        for message in messages:
 | 
						|
            if Message.content_has_attachment(message['message'].content):
 | 
						|
                do_claim_attachments(message['message'])
 | 
						|
 | 
						|
    for message in messages:
 | 
						|
        # Deliver events to the real-time push system, as well as
 | 
						|
        # enqueuing any additional processing triggered by the message.
 | 
						|
        user_flags = user_message_flags.get(message['message'].id, {})
 | 
						|
        sender = message['message'].sender
 | 
						|
        user_presences = get_status_dict(sender)
 | 
						|
        presences = {}
 | 
						|
        for user_profile in message['active_recipients']:
 | 
						|
            if user_profile.email in user_presences:
 | 
						|
                presences[user_profile.id] = user_presences[user_profile.email]
 | 
						|
 | 
						|
        event = dict(
 | 
						|
            type         = 'message',
 | 
						|
            message      = message['message'].id,
 | 
						|
            message_dict_markdown = message_to_dict(message['message'], apply_markdown=True),
 | 
						|
            message_dict_no_markdown = message_to_dict(message['message'], apply_markdown=False),
 | 
						|
            presences    = presences)
 | 
						|
        users = [{'id': user.id,
 | 
						|
                  'flags': user_flags.get(user.id, []),
 | 
						|
                  'always_push_notify': user.enable_online_push_notifications}
 | 
						|
                 for user in message['active_recipients']]
 | 
						|
        if message['message'].recipient.type == Recipient.STREAM:
 | 
						|
            # Note: This is where authorization for single-stream
 | 
						|
            # get_updates happens! We only attach stream data to the
 | 
						|
            # notify new_message request if it's a public stream,
 | 
						|
            # ensuring that in the tornado server, non-public stream
 | 
						|
            # messages are only associated to their subscribed users.
 | 
						|
            if message['stream'] is None:
 | 
						|
                message['stream'] = Stream.objects.select_related("realm").get(id=message['message'].recipient.type_id)
 | 
						|
            if message['stream'].is_public():
 | 
						|
                event['realm_id'] = message['stream'].realm_id
 | 
						|
                event['stream_name'] = message['stream'].name
 | 
						|
            if message['stream'].invite_only:
 | 
						|
                event['invite_only'] = True
 | 
						|
        if message['local_id'] is not None:
 | 
						|
            event['local_id'] = message['local_id']
 | 
						|
        if message['sender_queue_id'] is not None:
 | 
						|
            event['sender_queue_id'] = message['sender_queue_id']
 | 
						|
        send_event(event, users)
 | 
						|
 | 
						|
        if url_embed_preview_enabled_for_realm(message['message']) and links_for_embed:
 | 
						|
            event_data = {
 | 
						|
                'message_id': message['message'].id,
 | 
						|
                'message_content': message['message'].content,
 | 
						|
                'message_realm_id': message['realm'].id,
 | 
						|
                'urls': links_for_embed}
 | 
						|
            queue_json_publish('embed_links', event_data, lambda x: None)
 | 
						|
 | 
						|
        if (settings.ENABLE_FEEDBACK and
 | 
						|
            message['message'].recipient.type == Recipient.PERSONAL and
 | 
						|
                settings.FEEDBACK_BOT in [up.email for up in message['recipients']]):
 | 
						|
            queue_json_publish(
 | 
						|
                'feedback_messages',
 | 
						|
                message_to_dict(message['message'], apply_markdown=False),
 | 
						|
                lambda x: None
 | 
						|
            )
 | 
						|
 | 
						|
        for outgoing_webhook_event in message['message'].outgoing_webhook_bot_triggers:
 | 
						|
            queue_json_publish(
 | 
						|
                'outgoing_webhooks',
 | 
						|
                {
 | 
						|
                    "message": message_to_dict(message['message'], apply_markdown=False),
 | 
						|
                    "trigger": outgoing_webhook_event['trigger'],
 | 
						|
                    "user_profile_id": outgoing_webhook_event["user_profile"].id,
 | 
						|
                },
 | 
						|
                lambda x: None
 | 
						|
            )
 | 
						|
 | 
						|
    # Note that this does not preserve the order of message ids
 | 
						|
    # returned.  In practice, this shouldn't matter, as we only
 | 
						|
    # mirror single zephyr messages at a time and don't otherwise
 | 
						|
    # intermingle sending zephyr messages with other messages.
 | 
						|
    return already_sent_ids + [message['message'].id for message in messages]
 | 
						|
 | 
						|
def notify_reaction_update(user_profile, message, emoji_name, op):
 | 
						|
    # type: (UserProfile, Message, Text, Text) -> None
 | 
						|
    user_dict = {'user_id': user_profile.id,
 | 
						|
                 'email': user_profile.email,
 | 
						|
                 'full_name': user_profile.full_name}
 | 
						|
 | 
						|
    event = {'type': 'reaction',
 | 
						|
             'op': op,
 | 
						|
             'user': user_dict,
 | 
						|
             'message_id': message.id,
 | 
						|
             'emoji_name': emoji_name} # type: Dict[str, Any]
 | 
						|
 | 
						|
    # Update the cached message since new reaction is added.
 | 
						|
    update_to_dict_cache([message])
 | 
						|
 | 
						|
    # Recipients for message update events, including reactions, are
 | 
						|
    # everyone who got the original message.  This means reactions
 | 
						|
    # won't live-update in preview narrows, but it's the right
 | 
						|
    # performance tradeoff, since otherwise we'd need to send all
 | 
						|
    # reactions to public stream messages to every browser for every
 | 
						|
    # client in the organization, which doesn't scale.
 | 
						|
    #
 | 
						|
    # However, to ensure that reactions do live-update for any user
 | 
						|
    # who has actually participated in reacting to a message, we add a
 | 
						|
    # "historical" UserMessage row for any user who reacts to message,
 | 
						|
    # subscribing them to future notifications.
 | 
						|
    ums = UserMessage.objects.filter(message=message.id)
 | 
						|
    send_event(event, [um.user_profile_id for um in ums])
 | 
						|
 | 
						|
def do_add_reaction(user_profile, message, emoji_name):
 | 
						|
    # type: (UserProfile, Message, Text) -> None
 | 
						|
    reaction = Reaction(user_profile=user_profile, message=message, emoji_name=emoji_name)
 | 
						|
    reaction.save()
 | 
						|
    notify_reaction_update(user_profile, message, emoji_name, "add")
 | 
						|
 | 
						|
def do_remove_reaction(user_profile, message, emoji_name):
 | 
						|
    # type: (UserProfile, Message, Text) -> None
 | 
						|
    Reaction.objects.filter(user_profile=user_profile,
 | 
						|
                            message=message,
 | 
						|
                            emoji_name=emoji_name).delete()
 | 
						|
    notify_reaction_update(user_profile, message, emoji_name, "remove")
 | 
						|
 | 
						|
def do_send_typing_notification(notification):
 | 
						|
    # type: (Dict[str, Any]) -> None
 | 
						|
    recipient_user_profiles = get_recipient_user_profiles(notification['recipient'],
 | 
						|
                                                          notification['sender'].id)
 | 
						|
    # Only deliver the notification to active user recipients
 | 
						|
    user_ids_to_notify = [profile.id for profile in recipient_user_profiles if profile.is_active]
 | 
						|
    sender_dict = {'user_id': notification['sender'].id, 'email': notification['sender'].email}
 | 
						|
    # Include a list of recipients in the event body to help identify where the typing is happening
 | 
						|
    recipient_dicts = [{'user_id': profile.id, 'email': profile.email} for profile in recipient_user_profiles]
 | 
						|
    event = dict(
 | 
						|
        type            = 'typing',
 | 
						|
        op              = notification['op'],
 | 
						|
        sender          = sender_dict,
 | 
						|
        recipients      = recipient_dicts)
 | 
						|
 | 
						|
    send_event(event, user_ids_to_notify)
 | 
						|
 | 
						|
# check_send_typing_notification:
 | 
						|
# Checks the typing notification and sends it
 | 
						|
def check_send_typing_notification(sender, notification_to, operator):
 | 
						|
    # type: (UserProfile, Sequence[Text], Text) -> None
 | 
						|
    typing_notification = check_typing_notification(sender, notification_to, operator)
 | 
						|
    do_send_typing_notification(typing_notification)
 | 
						|
 | 
						|
# check_typing_notification:
 | 
						|
# Returns typing notification ready for sending with do_send_typing_notification on success
 | 
						|
# or the error message (string) on error.
 | 
						|
def check_typing_notification(sender, notification_to, operator):
 | 
						|
    # type: (UserProfile, Sequence[Text], Text) -> Dict[str, Any]
 | 
						|
    if len(notification_to) == 0:
 | 
						|
        raise JsonableError(_('Missing parameter: \'to\' (recipient)'))
 | 
						|
    elif operator not in ('start', 'stop'):
 | 
						|
        raise JsonableError(_('Invalid \'op\' value (should be start or stop)'))
 | 
						|
    else:
 | 
						|
        try:
 | 
						|
            recipient = recipient_for_emails(notification_to, False,
 | 
						|
                                             sender, sender)
 | 
						|
        except ValidationError as e:
 | 
						|
            assert isinstance(e.messages[0], six.string_types)
 | 
						|
            raise JsonableError(e.messages[0])
 | 
						|
    if recipient.type == Recipient.STREAM:
 | 
						|
        raise ValueError('Forbidden recipient type')
 | 
						|
    return {'sender': sender, 'recipient': recipient, 'op': operator}
 | 
						|
 | 
						|
def stream_welcome_message(stream):
 | 
						|
    # type: (Stream) -> Text
 | 
						|
    content = _('Welcome to #**%s**.') % (stream.name,)
 | 
						|
 | 
						|
    if stream.description:
 | 
						|
        content += '\n\n**' + _('Description') + '**: '
 | 
						|
        content += stream.description
 | 
						|
 | 
						|
    return content
 | 
						|
 | 
						|
def prep_stream_welcome_message(stream):
 | 
						|
    # type: (Stream) -> Optional[Dict[str, Any]]
 | 
						|
    realm = stream.realm
 | 
						|
    sender = get_user_profile_by_email(settings.WELCOME_BOT)
 | 
						|
    topic = _('hello')
 | 
						|
    content = stream_welcome_message(stream)
 | 
						|
 | 
						|
    message = internal_prep_stream_message(
 | 
						|
        realm=realm,
 | 
						|
        sender=sender,
 | 
						|
        stream_name=stream.name,
 | 
						|
        topic=topic,
 | 
						|
        content=content)
 | 
						|
 | 
						|
    return message
 | 
						|
 | 
						|
def create_stream_if_needed(realm, stream_name, invite_only=False, stream_description = ""):
 | 
						|
    # type: (Realm, Text, bool, Text) -> Tuple[Stream, bool]
 | 
						|
    (stream, created) = Stream.objects.get_or_create(
 | 
						|
        realm=realm, name__iexact=stream_name,
 | 
						|
        defaults={'name': stream_name,
 | 
						|
                  'description': stream_description,
 | 
						|
                  'invite_only': invite_only})
 | 
						|
    if created:
 | 
						|
        Recipient.objects.create(type_id=stream.id, type=Recipient.STREAM)
 | 
						|
        if not invite_only:
 | 
						|
            event = dict(type="stream", op="create",
 | 
						|
                         streams=[stream.to_dict()])
 | 
						|
            send_event(event, active_user_ids(realm))
 | 
						|
    return stream, created
 | 
						|
 | 
						|
def create_streams_if_needed(realm, stream_dicts):
 | 
						|
    # type: (Realm, List[Mapping[str, Any]]) -> Tuple[List[Stream], List[Stream]]
 | 
						|
    """Note that stream_dict["name"] is assumed to already be stripped of
 | 
						|
    whitespace"""
 | 
						|
    added_streams = [] # type: List[Stream]
 | 
						|
    existing_streams = [] # type: List[Stream]
 | 
						|
    for stream_dict in stream_dicts:
 | 
						|
        stream, created = create_stream_if_needed(realm,
 | 
						|
                                                  stream_dict["name"],
 | 
						|
                                                  invite_only=stream_dict.get("invite_only", False),
 | 
						|
                                                  stream_description=stream_dict.get("description", ""))
 | 
						|
 | 
						|
        if created:
 | 
						|
            added_streams.append(stream)
 | 
						|
        else:
 | 
						|
            existing_streams.append(stream)
 | 
						|
 | 
						|
    return added_streams, existing_streams
 | 
						|
 | 
						|
def recipient_for_emails(emails, not_forged_mirror_message,
 | 
						|
                         forwarder_user_profile, sender):
 | 
						|
    # type: (Iterable[Text], bool, Optional[UserProfile], UserProfile) -> Recipient
 | 
						|
    recipient_profile_ids = set()
 | 
						|
 | 
						|
    # We exempt cross-realm bots from the check that all the recipients
 | 
						|
    # are in the same realm.
 | 
						|
    realms = set()
 | 
						|
    exempt_emails = get_cross_realm_emails()
 | 
						|
    if sender.email not in exempt_emails:
 | 
						|
        realms.add(sender.realm_id)
 | 
						|
 | 
						|
    for email in emails:
 | 
						|
        try:
 | 
						|
            user_profile = get_user_profile_by_email(email)
 | 
						|
        except UserProfile.DoesNotExist:
 | 
						|
            raise ValidationError(_("Invalid email '%s'") % (email,))
 | 
						|
        if (not user_profile.is_active and not user_profile.is_mirror_dummy) or \
 | 
						|
                user_profile.realm.deactivated:
 | 
						|
            raise ValidationError(_("'%s' is no longer using Zulip.") % (email,))
 | 
						|
        recipient_profile_ids.add(user_profile.id)
 | 
						|
        if email not in exempt_emails:
 | 
						|
            realms.add(user_profile.realm_id)
 | 
						|
 | 
						|
    if not_forged_mirror_message:
 | 
						|
        assert forwarder_user_profile is not None
 | 
						|
        if forwarder_user_profile.id not in recipient_profile_ids:
 | 
						|
            raise ValidationError(_("User not authorized for this query"))
 | 
						|
 | 
						|
    if len(realms) > 1:
 | 
						|
        raise ValidationError(_("You can't send private messages outside of your organization."))
 | 
						|
 | 
						|
    # If the private message is just between the sender and
 | 
						|
    # another person, force it to be a personal internally
 | 
						|
    if (len(recipient_profile_ids) == 2 and
 | 
						|
            sender.id in recipient_profile_ids):
 | 
						|
        recipient_profile_ids.remove(sender.id)
 | 
						|
 | 
						|
    if len(recipient_profile_ids) > 1:
 | 
						|
        # Make sure the sender is included in huddle messages
 | 
						|
        recipient_profile_ids.add(sender.id)
 | 
						|
        huddle = get_huddle(list(recipient_profile_ids))
 | 
						|
        return get_recipient(Recipient.HUDDLE, huddle.id)
 | 
						|
    else:
 | 
						|
        return get_recipient(Recipient.PERSONAL, list(recipient_profile_ids)[0])
 | 
						|
 | 
						|
def already_sent_mirrored_message_id(message):
 | 
						|
    # type: (Message) -> Optional[int]
 | 
						|
    if message.recipient.type == Recipient.HUDDLE:
 | 
						|
        # For huddle messages, we use a 10-second window because the
 | 
						|
        # timestamps aren't guaranteed to actually match between two
 | 
						|
        # copies of the same message.
 | 
						|
        time_window = datetime.timedelta(seconds=10)
 | 
						|
    else:
 | 
						|
        time_window = datetime.timedelta(seconds=0)
 | 
						|
 | 
						|
    messages = Message.objects.filter(
 | 
						|
        sender=message.sender,
 | 
						|
        recipient=message.recipient,
 | 
						|
        content=message.content,
 | 
						|
        subject=message.subject,
 | 
						|
        sending_client=message.sending_client,
 | 
						|
        pub_date__gte=message.pub_date - time_window,
 | 
						|
        pub_date__lte=message.pub_date + time_window)
 | 
						|
 | 
						|
    if messages.exists():
 | 
						|
        return messages[0].id
 | 
						|
    return None
 | 
						|
 | 
						|
def extract_recipients(s):
 | 
						|
    # type: (Union[str, Iterable[Text]]) -> List[Text]
 | 
						|
    # We try to accept multiple incoming formats for recipients.
 | 
						|
    # See test_extract_recipients() for examples of what we allow.
 | 
						|
    try:
 | 
						|
        data = ujson.loads(s) # type: ignore # This function has a super weird union argument.
 | 
						|
    except ValueError:
 | 
						|
        data = s
 | 
						|
 | 
						|
    if isinstance(data, six.string_types):
 | 
						|
        data = data.split(',') # type: ignore # https://github.com/python/typeshed/pull/138
 | 
						|
 | 
						|
    if not isinstance(data, list):
 | 
						|
        raise ValueError("Invalid data type for recipients")
 | 
						|
 | 
						|
    recipients = data
 | 
						|
 | 
						|
    # Strip recipients, and then remove any duplicates and any that
 | 
						|
    # are the empty string after being stripped.
 | 
						|
    recipients = [recipient.strip() for recipient in recipients]
 | 
						|
    return list(set(recipient for recipient in recipients if recipient))
 | 
						|
 | 
						|
# check_send_message:
 | 
						|
# Returns the id of the sent message.  Has same argspec as check_message.
 | 
						|
def check_send_message(sender, client, message_type_name, message_to,
 | 
						|
                       subject_name, message_content, realm=None, forged=False,
 | 
						|
                       forged_timestamp=None, forwarder_user_profile=None, local_id=None,
 | 
						|
                       sender_queue_id=None):
 | 
						|
    # type: (UserProfile, Client, Text, Sequence[Text], Optional[Text], Text, Optional[Realm], bool, Optional[float], Optional[UserProfile], Optional[Text], Optional[Text]) -> int
 | 
						|
    message = check_message(sender, client, message_type_name, message_to,
 | 
						|
                            subject_name, message_content, realm, forged, forged_timestamp,
 | 
						|
                            forwarder_user_profile, local_id, sender_queue_id)
 | 
						|
    return do_send_messages([message])[0]
 | 
						|
 | 
						|
def check_stream_name(stream_name):
 | 
						|
    # type: (Text) -> None
 | 
						|
    if stream_name.strip() == "":
 | 
						|
        raise JsonableError(_("Invalid stream name '%s'" % (stream_name)))
 | 
						|
    if len(stream_name) > Stream.MAX_NAME_LENGTH:
 | 
						|
        raise JsonableError(_("Stream name too long (limit: %s characters)" % (Stream.MAX_NAME_LENGTH)))
 | 
						|
    for i in stream_name:
 | 
						|
        if ord(i) == 0:
 | 
						|
            raise JsonableError(_("Stream name '%s' contains NULL (0x00) characters." % (stream_name)))
 | 
						|
 | 
						|
def send_pm_if_empty_stream(sender, stream, stream_name, realm):
 | 
						|
    # type: (UserProfile, Optional[Stream], Text, 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
 | 
						|
 | 
						|
    if not sender.is_bot or sender.bot_owner is None:
 | 
						|
        return
 | 
						|
 | 
						|
    # Don't send these notifications for cross-realm bot messages
 | 
						|
    # (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 sender.realm != realm:
 | 
						|
        return
 | 
						|
 | 
						|
    if stream is not None:
 | 
						|
        num_subscribers = stream.num_subscribers()
 | 
						|
        if num_subscribers > 0:
 | 
						|
            return
 | 
						|
 | 
						|
    # We warn the user once every 5 minutes to avoid a flood of
 | 
						|
    # PMs on a misconfigured integration, re-using the
 | 
						|
    # UserProfile.last_reminder field, which is not used for bots.
 | 
						|
    last_reminder = sender.last_reminder
 | 
						|
    waitperiod = datetime.timedelta(minutes=UserProfile.BOT_OWNER_STREAM_ALERT_WAITPERIOD)
 | 
						|
    if last_reminder and timezone_now() - last_reminder <= waitperiod:
 | 
						|
        return
 | 
						|
 | 
						|
    if stream is None:
 | 
						|
        error_msg = "that stream does not yet exist. To create it, "
 | 
						|
    else:
 | 
						|
        # num_subscribers == 0
 | 
						|
        error_msg = "there are no subscribers to that stream. To join it, "
 | 
						|
 | 
						|
    content = ("Hi there! We thought you'd like to know that your bot **%s** just "
 | 
						|
               "tried to send a message to stream `%s`, but %s"
 | 
						|
               "click the gear in the left-side stream list." %
 | 
						|
               (sender.full_name, stream_name, error_msg))
 | 
						|
    message = internal_prep_private_message(
 | 
						|
        realm=realm,
 | 
						|
        sender=get_user_profile_by_email(settings.NOTIFICATION_BOT),
 | 
						|
        recipient_email=sender.bot_owner.email,
 | 
						|
        content=content)
 | 
						|
 | 
						|
    do_send_messages([message])
 | 
						|
 | 
						|
    sender.last_reminder = timezone_now()
 | 
						|
    sender.save(update_fields=['last_reminder'])
 | 
						|
 | 
						|
# check_message:
 | 
						|
# Returns message ready for sending with do_send_message on success or the error message (string) on error.
 | 
						|
def check_message(sender, client, message_type_name, message_to,
 | 
						|
                  subject_name, message_content_raw, realm=None, forged=False,
 | 
						|
                  forged_timestamp=None, forwarder_user_profile=None, local_id=None,
 | 
						|
                  sender_queue_id=None):
 | 
						|
    # type: (UserProfile, Client, Text, Sequence[Text], Optional[Text], Text, Optional[Realm], bool, Optional[float], Optional[UserProfile], Optional[Text], Optional[Text]) -> Dict[str, Any]
 | 
						|
    stream = None
 | 
						|
    if not message_to and message_type_name == 'stream' and sender.default_sending_stream:
 | 
						|
        # Use the users default stream
 | 
						|
        message_to = [sender.default_sending_stream.name]
 | 
						|
    if len(message_to) == 0:
 | 
						|
        raise JsonableError(_("Message must have recipients"))
 | 
						|
    message_content = message_content_raw.rstrip()
 | 
						|
    if len(message_content) == 0:
 | 
						|
        raise JsonableError(_("Message must not be empty"))
 | 
						|
    message_content = truncate_body(message_content)
 | 
						|
 | 
						|
    if realm is None:
 | 
						|
        realm = sender.realm
 | 
						|
 | 
						|
    if message_type_name == 'stream':
 | 
						|
        if len(message_to) > 1:
 | 
						|
            raise JsonableError(_("Cannot send to multiple streams"))
 | 
						|
 | 
						|
        stream_name = message_to[0].strip()
 | 
						|
        check_stream_name(stream_name)
 | 
						|
 | 
						|
        if subject_name is None:
 | 
						|
            raise JsonableError(_("Missing topic"))
 | 
						|
        subject = subject_name.strip()
 | 
						|
        if subject == "":
 | 
						|
            raise JsonableError(_("Topic can't be empty"))
 | 
						|
        subject = truncate_topic(subject)
 | 
						|
 | 
						|
        try:
 | 
						|
            stream = get_stream(stream_name, realm)
 | 
						|
 | 
						|
            send_pm_if_empty_stream(sender, stream, stream_name, realm)
 | 
						|
 | 
						|
        except Stream.DoesNotExist:
 | 
						|
            send_pm_if_empty_stream(sender, None, stream_name, realm)
 | 
						|
            raise JsonableError(_("Stream '%(stream_name)s' does not exist") % {'stream_name': escape(stream_name)})
 | 
						|
        recipient = get_recipient(Recipient.STREAM, stream.id)
 | 
						|
 | 
						|
        if not stream.invite_only:
 | 
						|
            # This is a public stream
 | 
						|
            pass
 | 
						|
        elif subscribed_to_stream(sender, stream):
 | 
						|
            # Or it is private, but your are subscribed
 | 
						|
            pass
 | 
						|
        elif sender.is_api_super_user or (forwarder_user_profile is not None and
 | 
						|
                                          forwarder_user_profile.is_api_super_user):
 | 
						|
            # Or this request is being done on behalf of a super user
 | 
						|
            pass
 | 
						|
        elif sender.is_bot and subscribed_to_stream(sender.bot_owner, stream):
 | 
						|
            # Or you're a bot and your owner is subscribed.
 | 
						|
            pass
 | 
						|
        elif sender.email == settings.WELCOME_BOT:
 | 
						|
            # The welcome bot welcomes folks to the stream.
 | 
						|
            pass
 | 
						|
        else:
 | 
						|
            # All other cases are an error.
 | 
						|
            raise JsonableError(_("Not authorized to send to stream '%s'") % (stream.name,))
 | 
						|
 | 
						|
    elif message_type_name == 'private':
 | 
						|
        mirror_message = client and client.name in ["zephyr_mirror", "irc_mirror", "jabber_mirror", "JabberMirror"]
 | 
						|
        not_forged_mirror_message = mirror_message and not forged
 | 
						|
        try:
 | 
						|
            recipient = recipient_for_emails(message_to, not_forged_mirror_message,
 | 
						|
                                             forwarder_user_profile, sender)
 | 
						|
        except ValidationError as e:
 | 
						|
            assert isinstance(e.messages[0], six.string_types)
 | 
						|
            raise JsonableError(e.messages[0])
 | 
						|
    else:
 | 
						|
        raise JsonableError(_("Invalid message type"))
 | 
						|
 | 
						|
    message = Message()
 | 
						|
    message.sender = sender
 | 
						|
    message.content = message_content
 | 
						|
    message.recipient = recipient
 | 
						|
    if message_type_name == 'stream':
 | 
						|
        message.subject = subject
 | 
						|
    if forged and forged_timestamp is not None:
 | 
						|
        # Forged messages come with a timestamp
 | 
						|
        message.pub_date = timestamp_to_datetime(forged_timestamp)
 | 
						|
    else:
 | 
						|
        message.pub_date = timezone_now()
 | 
						|
    message.sending_client = client
 | 
						|
 | 
						|
    # We render messages later in the process.
 | 
						|
    assert message.rendered_content is None
 | 
						|
 | 
						|
    if client.name == "zephyr_mirror":
 | 
						|
        id = already_sent_mirrored_message_id(message)
 | 
						|
        if id is not None:
 | 
						|
            return {'message': id}
 | 
						|
 | 
						|
    return {'message': message, 'stream': stream, 'local_id': local_id,
 | 
						|
            'sender_queue_id': sender_queue_id, 'realm': realm}
 | 
						|
 | 
						|
def _internal_prep_message(realm, sender, recipient_type_name, parsed_recipients,
 | 
						|
                           subject, content):
 | 
						|
    # type: (Realm, UserProfile, str, List[Text], Text, Text) -> Optional[Dict[str, Any]]
 | 
						|
    """
 | 
						|
    Create a message object and checks it, but doesn't send it or save it to the database.
 | 
						|
    The internal function that calls this can therefore batch send a bunch of created
 | 
						|
    messages together as one database query.
 | 
						|
    Call do_send_messages with a list of the return values of this method.
 | 
						|
    """
 | 
						|
    if len(content) > MAX_MESSAGE_LENGTH:
 | 
						|
        content = content[0:3900] + "\n\n[message was too long and has been truncated]"
 | 
						|
 | 
						|
    if realm is None:
 | 
						|
        raise RuntimeError("None is not a valid realm for internal_prep_message!")
 | 
						|
 | 
						|
    if recipient_type_name == "stream":
 | 
						|
        stream, _ = create_stream_if_needed(realm, parsed_recipients[0])
 | 
						|
 | 
						|
    try:
 | 
						|
        return check_message(sender, get_client("Internal"), recipient_type_name,
 | 
						|
                             parsed_recipients, subject, content, realm=realm)
 | 
						|
    except JsonableError as e:
 | 
						|
        logging.error("Error queueing internal message by %s: %s" % (sender.email, str(e)))
 | 
						|
 | 
						|
    return None
 | 
						|
 | 
						|
def internal_prep_message(realm, sender_email, recipient_type_name, recipients,
 | 
						|
                          subject, content):
 | 
						|
    # type: (Realm, Text, str, Text, Text, Text) -> Optional[Dict[str, Any]]
 | 
						|
    """
 | 
						|
    See _internal_prep_message for details of how this works.
 | 
						|
    """
 | 
						|
    sender = get_user_profile_by_email(sender_email)
 | 
						|
    parsed_recipients = extract_recipients(recipients)
 | 
						|
 | 
						|
    return _internal_prep_message(
 | 
						|
        realm=realm,
 | 
						|
        sender=sender,
 | 
						|
        recipient_type_name=recipient_type_name,
 | 
						|
        parsed_recipients=parsed_recipients,
 | 
						|
        subject=subject,
 | 
						|
        content=content,
 | 
						|
    )
 | 
						|
 | 
						|
def internal_prep_stream_message(realm, sender, stream_name, topic, content):
 | 
						|
    # type: (Realm, UserProfile, Text, Text, Text) -> Optional[Dict[str, Any]]
 | 
						|
    """
 | 
						|
    See _internal_prep_message for details of how this works.
 | 
						|
    """
 | 
						|
    parsed_recipients = [stream_name]
 | 
						|
 | 
						|
    return _internal_prep_message(
 | 
						|
        realm=realm,
 | 
						|
        sender=sender,
 | 
						|
        recipient_type_name='stream',
 | 
						|
        parsed_recipients=parsed_recipients,
 | 
						|
        subject=topic,
 | 
						|
        content=content,
 | 
						|
    )
 | 
						|
 | 
						|
def internal_prep_private_message(realm, sender, recipient_email, content):
 | 
						|
    # type: (Realm, UserProfile, Text, Text) -> Optional[Dict[str, Any]]
 | 
						|
    """
 | 
						|
    See _internal_prep_message for details of how this works.
 | 
						|
    """
 | 
						|
    parsed_recipients = [recipient_email]
 | 
						|
 | 
						|
    return _internal_prep_message(
 | 
						|
        realm=realm,
 | 
						|
        sender=sender,
 | 
						|
        recipient_type_name='private',
 | 
						|
        parsed_recipients=parsed_recipients,
 | 
						|
        subject='',
 | 
						|
        content=content,
 | 
						|
    )
 | 
						|
 | 
						|
def internal_send_message(realm, sender_email, recipient_type_name, recipients,
 | 
						|
                          subject, content):
 | 
						|
    # type: (Realm, Text, str, Text, Text, Text) -> None
 | 
						|
    msg = internal_prep_message(realm, sender_email, recipient_type_name, recipients,
 | 
						|
                                subject, content)
 | 
						|
 | 
						|
    # internal_prep_message encountered an error
 | 
						|
    if msg is None:
 | 
						|
        return
 | 
						|
 | 
						|
    do_send_messages([msg])
 | 
						|
 | 
						|
def pick_color(user_profile):
 | 
						|
    # type: (UserProfile) -> Text
 | 
						|
    subs = Subscription.objects.filter(user_profile=user_profile,
 | 
						|
                                       active=True,
 | 
						|
                                       recipient__type=Recipient.STREAM)
 | 
						|
    return pick_color_helper(user_profile, subs)
 | 
						|
 | 
						|
def pick_color_helper(user_profile, subs):
 | 
						|
    # type: (UserProfile, Iterable[Subscription]) -> Text
 | 
						|
    # These colors are shared with the palette in subs.js.
 | 
						|
    used_colors = [sub.color for sub in subs if sub.active]
 | 
						|
    available_colors = [s for s in STREAM_ASSIGNMENT_COLORS if s not in used_colors]
 | 
						|
 | 
						|
    if available_colors:
 | 
						|
        return available_colors[0]
 | 
						|
    else:
 | 
						|
        return STREAM_ASSIGNMENT_COLORS[len(used_colors) % len(STREAM_ASSIGNMENT_COLORS)]
 | 
						|
 | 
						|
def validate_user_access_to_subscribers(user_profile, stream):
 | 
						|
    # type: (Optional[UserProfile], Stream) -> None
 | 
						|
    """ Validates whether the user can view the subscribers of a stream.  Raises a JsonableError if:
 | 
						|
        * The user and the stream are in different realms
 | 
						|
        * The realm is MIT and the stream is not invite only.
 | 
						|
        * The stream is invite only, requesting_user is passed, and that user
 | 
						|
          does not subscribe to the stream.
 | 
						|
    """
 | 
						|
    validate_user_access_to_subscribers_helper(
 | 
						|
        user_profile,
 | 
						|
        {"realm_id": stream.realm_id,
 | 
						|
         "invite_only": stream.invite_only},
 | 
						|
        # We use a lambda here so that we only compute whether the
 | 
						|
        # user is subscribed if we have to
 | 
						|
        lambda: subscribed_to_stream(cast(UserProfile, user_profile), stream))
 | 
						|
 | 
						|
def validate_user_access_to_subscribers_helper(user_profile, stream_dict, check_user_subscribed):
 | 
						|
    # type: (Optional[UserProfile], Mapping[str, Any], Callable[[], bool]) -> None
 | 
						|
    """ Helper for validate_user_access_to_subscribers that doesn't require a full stream object
 | 
						|
    * check_user_subscribed is a function that when called with no
 | 
						|
      arguments, will report whether the user is subscribed to the stream
 | 
						|
    """
 | 
						|
    if user_profile is None:
 | 
						|
        raise ValidationError("Missing user to validate access for")
 | 
						|
 | 
						|
    if user_profile.realm_id != stream_dict["realm_id"]:
 | 
						|
        raise ValidationError("Requesting user not in given realm")
 | 
						|
 | 
						|
    if user_profile.realm.is_zephyr_mirror_realm and not stream_dict["invite_only"]:
 | 
						|
        raise JsonableError(_("You cannot get subscribers for public streams in this realm"))
 | 
						|
 | 
						|
    if (stream_dict["invite_only"] and not check_user_subscribed()):
 | 
						|
        raise JsonableError(_("Unable to retrieve subscribers for invite-only stream"))
 | 
						|
 | 
						|
# sub_dict is a dictionary mapping stream_id => whether the user is subscribed to that stream
 | 
						|
def bulk_get_subscriber_user_ids(stream_dicts, user_profile, sub_dict):
 | 
						|
    # type: (Iterable[Mapping[str, Any]], UserProfile, Mapping[int, bool]) -> Dict[int, List[int]]
 | 
						|
    target_stream_dicts = []
 | 
						|
    for stream_dict in stream_dicts:
 | 
						|
        try:
 | 
						|
            validate_user_access_to_subscribers_helper(user_profile, stream_dict,
 | 
						|
                                                       lambda: sub_dict[stream_dict["id"]])
 | 
						|
        except JsonableError:
 | 
						|
            continue
 | 
						|
        target_stream_dicts.append(stream_dict)
 | 
						|
 | 
						|
    subscriptions = Subscription.objects.select_related("recipient").filter(
 | 
						|
        recipient__type=Recipient.STREAM,
 | 
						|
        recipient__type_id__in=[stream["id"] for stream in target_stream_dicts],
 | 
						|
        user_profile__is_active=True,
 | 
						|
        active=True).values("user_profile_id", "recipient__type_id")
 | 
						|
 | 
						|
    result = dict((stream["id"], []) for stream in stream_dicts) # type: Dict[int, List[int]]
 | 
						|
    for sub in subscriptions:
 | 
						|
        result[sub["recipient__type_id"]].append(sub["user_profile_id"])
 | 
						|
 | 
						|
    return result
 | 
						|
 | 
						|
def get_subscribers_query(stream, requesting_user):
 | 
						|
    # type: (Stream, Optional[UserProfile]) -> QuerySet
 | 
						|
    # TODO: Make a generic stub for QuerySet
 | 
						|
    """ Build a query to get the subscribers list for a stream, raising a JsonableError if:
 | 
						|
 | 
						|
    'realm' is optional in stream.
 | 
						|
 | 
						|
    The caller can refine this query with select_related(), values(), etc. depending
 | 
						|
    on whether it wants objects or just certain fields
 | 
						|
    """
 | 
						|
    validate_user_access_to_subscribers(requesting_user, stream)
 | 
						|
 | 
						|
    # Note that non-active users may still have "active" subscriptions, because we
 | 
						|
    # want to be able to easily reactivate them with their old subscriptions.  This
 | 
						|
    # is why the query here has to look at the UserProfile.is_active flag.
 | 
						|
    subscriptions = Subscription.objects.filter(recipient__type=Recipient.STREAM,
 | 
						|
                                                recipient__type_id=stream.id,
 | 
						|
                                                user_profile__is_active=True,
 | 
						|
                                                active=True)
 | 
						|
    return subscriptions
 | 
						|
 | 
						|
def get_subscribers(stream, requesting_user=None):
 | 
						|
    # type: (Stream, Optional[UserProfile]) -> List[UserProfile]
 | 
						|
    subscriptions = get_subscribers_query(stream, requesting_user).select_related()
 | 
						|
    return [subscription.user_profile for subscription in subscriptions]
 | 
						|
 | 
						|
def get_subscriber_emails(stream, requesting_user=None):
 | 
						|
    # type: (Stream, Optional[UserProfile]) -> List[Text]
 | 
						|
    subscriptions_query = get_subscribers_query(stream, requesting_user)
 | 
						|
    subscriptions = subscriptions_query.values('user_profile__email')
 | 
						|
    return [subscription['user_profile__email'] for subscription in subscriptions]
 | 
						|
 | 
						|
def maybe_get_subscriber_emails(stream, user_profile):
 | 
						|
    # type: (Stream, UserProfile) -> List[Text]
 | 
						|
    """ Alternate version of get_subscriber_emails that takes a Stream object only
 | 
						|
    (not a name), and simply returns an empty list if unable to get a real
 | 
						|
    subscriber list (because we're on the MIT realm). """
 | 
						|
    try:
 | 
						|
        subscribers = get_subscriber_emails(stream, requesting_user=user_profile)
 | 
						|
    except JsonableError:
 | 
						|
        subscribers = []
 | 
						|
    return subscribers
 | 
						|
 | 
						|
def notify_subscriptions_added(user_profile, sub_pairs, stream_emails, no_log=False):
 | 
						|
    # type: (UserProfile, Iterable[Tuple[Subscription, Stream]], Callable[[Stream], List[Text]], bool) -> None
 | 
						|
    if not no_log:
 | 
						|
        log_event({'type': 'subscription_added',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'names': [stream.name for sub, stream in sub_pairs],
 | 
						|
                   'realm': user_profile.realm.string_id})
 | 
						|
 | 
						|
    # Send a notification to the user who subscribed.
 | 
						|
    payload = [dict(name=stream.name,
 | 
						|
                    stream_id=stream.id,
 | 
						|
                    in_home_view=subscription.in_home_view,
 | 
						|
                    invite_only=stream.invite_only,
 | 
						|
                    color=subscription.color,
 | 
						|
                    email_address=encode_email_address(stream),
 | 
						|
                    desktop_notifications=subscription.desktop_notifications,
 | 
						|
                    audible_notifications=subscription.audible_notifications,
 | 
						|
                    description=stream.description,
 | 
						|
                    pin_to_top=subscription.pin_to_top,
 | 
						|
                    subscribers=stream_emails(stream))
 | 
						|
               for (subscription, stream) in sub_pairs]
 | 
						|
    event = dict(type="subscription", op="add",
 | 
						|
                 subscriptions=payload)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def get_peer_user_ids_for_stream_change(stream, altered_users, subscribed_users):
 | 
						|
    # type: (Stream, Iterable[UserProfile], Iterable[UserProfile]) -> Set[int]
 | 
						|
    '''
 | 
						|
    altered_users is a list of users that we are adding/removing
 | 
						|
    subscribed_users is the list of already subscribed users
 | 
						|
 | 
						|
    Based on stream policy, we notify the correct bystanders, while
 | 
						|
    not notifying altered_users (who get subscribers via another event)
 | 
						|
    '''
 | 
						|
 | 
						|
    altered_user_ids = [user.id for user in altered_users]
 | 
						|
 | 
						|
    if stream.invite_only:
 | 
						|
        # PRIVATE STREAMS
 | 
						|
        all_subscribed_ids = [user.id for user in subscribed_users]
 | 
						|
        return set(all_subscribed_ids) - set(altered_user_ids)
 | 
						|
 | 
						|
    else:
 | 
						|
        # PUBLIC STREAMS
 | 
						|
        # We now do "peer_add" or "peer_remove" events even for streams
 | 
						|
        # users were never subscribed to, in order for the neversubscribed
 | 
						|
        # structure to stay up-to-date.
 | 
						|
        return set(active_user_ids(stream.realm)) - set(altered_user_ids)
 | 
						|
 | 
						|
def query_all_subs_by_stream(streams):
 | 
						|
    # type: (Iterable[Stream]) -> Dict[int, List[UserProfile]]
 | 
						|
    all_subs = Subscription.objects.filter(recipient__type=Recipient.STREAM,
 | 
						|
                                           recipient__type_id__in=[stream.id for stream in streams],
 | 
						|
                                           user_profile__is_active=True,
 | 
						|
                                           active=True).select_related('recipient', 'user_profile')
 | 
						|
 | 
						|
    all_subs_by_stream = defaultdict(list) # type: Dict[int, List[UserProfile]]
 | 
						|
    for sub in all_subs:
 | 
						|
        all_subs_by_stream[sub.recipient.type_id].append(sub.user_profile)
 | 
						|
    return all_subs_by_stream
 | 
						|
 | 
						|
def bulk_add_subscriptions(streams, users, from_creation=False):
 | 
						|
    # type: (Iterable[Stream], Iterable[UserProfile], bool) -> Tuple[List[Tuple[UserProfile, Stream]], List[Tuple[UserProfile, Stream]]]
 | 
						|
    recipients_map = bulk_get_recipients(Recipient.STREAM, [stream.id for stream in streams]) # type: Mapping[int, Recipient]
 | 
						|
    recipients = [recipient.id for recipient in recipients_map.values()] # type: List[int]
 | 
						|
 | 
						|
    stream_map = {} # type: Dict[int, Stream]
 | 
						|
    for stream in streams:
 | 
						|
        stream_map[recipients_map[stream.id].id] = stream
 | 
						|
 | 
						|
    subs_by_user = defaultdict(list) # type: Dict[int, List[Subscription]]
 | 
						|
    all_subs_query = Subscription.objects.select_related("user_profile")
 | 
						|
    for sub in all_subs_query.filter(user_profile__in=users,
 | 
						|
                                     recipient__type=Recipient.STREAM):
 | 
						|
        subs_by_user[sub.user_profile_id].append(sub)
 | 
						|
 | 
						|
    already_subscribed = [] # type: List[Tuple[UserProfile, Stream]]
 | 
						|
    subs_to_activate = [] # type: List[Tuple[Subscription, Stream]]
 | 
						|
    new_subs = [] # type: List[Tuple[UserProfile, int, Stream]]
 | 
						|
    for user_profile in users:
 | 
						|
        needs_new_sub = set(recipients) # type: Set[int]
 | 
						|
        for sub in subs_by_user[user_profile.id]:
 | 
						|
            if sub.recipient_id in needs_new_sub:
 | 
						|
                needs_new_sub.remove(sub.recipient_id)
 | 
						|
                if sub.active:
 | 
						|
                    already_subscribed.append((user_profile, stream_map[sub.recipient_id]))
 | 
						|
                else:
 | 
						|
                    subs_to_activate.append((sub, stream_map[sub.recipient_id]))
 | 
						|
                    # Mark the sub as active, without saving, so that
 | 
						|
                    # pick_color will consider this to be an active
 | 
						|
                    # subscription when picking colors
 | 
						|
                    sub.active = True
 | 
						|
        for recipient_id in needs_new_sub:
 | 
						|
            new_subs.append((user_profile, recipient_id, stream_map[recipient_id]))
 | 
						|
 | 
						|
    subs_to_add = [] # type: List[Tuple[Subscription, Stream]]
 | 
						|
    for (user_profile, recipient_id, stream) in new_subs:
 | 
						|
        color = pick_color_helper(user_profile, subs_by_user[user_profile.id])
 | 
						|
        sub_to_add = Subscription(user_profile=user_profile, active=True,
 | 
						|
                                  color=color, recipient_id=recipient_id,
 | 
						|
                                  desktop_notifications=user_profile.enable_stream_desktop_notifications,
 | 
						|
                                  audible_notifications=user_profile.enable_stream_sounds)
 | 
						|
        subs_by_user[user_profile.id].append(sub_to_add)
 | 
						|
        subs_to_add.append((sub_to_add, stream))
 | 
						|
 | 
						|
    # TODO: XXX: This transaction really needs to be done at the serializeable
 | 
						|
    # transaction isolation level.
 | 
						|
    with transaction.atomic():
 | 
						|
        occupied_streams_before = list(get_occupied_streams(user_profile.realm))
 | 
						|
        Subscription.objects.bulk_create([sub for (sub, stream) in subs_to_add])
 | 
						|
        Subscription.objects.filter(id__in=[sub.id for (sub, stream) in subs_to_activate]).update(active=True)
 | 
						|
        occupied_streams_after = list(get_occupied_streams(user_profile.realm))
 | 
						|
 | 
						|
    new_occupied_streams = [stream for stream in
 | 
						|
                            set(occupied_streams_after) - set(occupied_streams_before)
 | 
						|
                            if not stream.invite_only]
 | 
						|
    if new_occupied_streams and not from_creation:
 | 
						|
        event = dict(type="stream", op="occupy",
 | 
						|
                     streams=[stream.to_dict()
 | 
						|
                              for stream in new_occupied_streams])
 | 
						|
        send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
    # Notify all existing users on streams that users have joined
 | 
						|
 | 
						|
    # First, get all users subscribed to the streams that we care about
 | 
						|
    # We fetch all subscription information upfront, as it's used throughout
 | 
						|
    # the following code and we want to minize DB queries
 | 
						|
    all_subs_by_stream = query_all_subs_by_stream(streams=streams)
 | 
						|
 | 
						|
    def fetch_stream_subscriber_emails(stream):
 | 
						|
        # type: (Stream) -> List[Text]
 | 
						|
        if stream.realm.is_zephyr_mirror_realm and not stream.invite_only:
 | 
						|
            return []
 | 
						|
        users = all_subs_by_stream[stream.id]
 | 
						|
        return [u.email for u in users]
 | 
						|
 | 
						|
    sub_tuples_by_user = defaultdict(list) # type: Dict[int, List[Tuple[Subscription, Stream]]]
 | 
						|
    new_streams = set() # type: Set[Tuple[int, int]]
 | 
						|
    for (sub, stream) in subs_to_add + subs_to_activate:
 | 
						|
        sub_tuples_by_user[sub.user_profile.id].append((sub, stream))
 | 
						|
        new_streams.add((sub.user_profile.id, stream.id))
 | 
						|
 | 
						|
    # We now send several types of events to notify browsers.  The
 | 
						|
    # first batch is notifications to users on invite-only streams
 | 
						|
    # that the stream exists.
 | 
						|
    for stream in streams:
 | 
						|
        new_users = [user for user in users if (user.id, stream.id) in new_streams]
 | 
						|
 | 
						|
        # Users newly added to invite-only streams need a `create`
 | 
						|
        # notification, since they didn't have the invite-only stream
 | 
						|
        # in their browser yet.
 | 
						|
        if stream.invite_only:
 | 
						|
            event = dict(type="stream", op="create",
 | 
						|
                         streams=[stream.to_dict()])
 | 
						|
            send_event(event, [user.id for user in new_users])
 | 
						|
 | 
						|
    # The second batch is events for the users themselves that they
 | 
						|
    # were subscribed to the new streams.
 | 
						|
    for user_profile in users:
 | 
						|
        if len(sub_tuples_by_user[user_profile.id]) == 0:
 | 
						|
            continue
 | 
						|
        sub_pairs = sub_tuples_by_user[user_profile.id]
 | 
						|
        notify_subscriptions_added(user_profile, sub_pairs, fetch_stream_subscriber_emails)
 | 
						|
 | 
						|
    # The second batch is events for other users who are tracking the
 | 
						|
    # subscribers lists of streams in their browser; everyone for
 | 
						|
    # public streams and only existing subscribers for private streams.
 | 
						|
    for stream in streams:
 | 
						|
        if stream.realm.is_zephyr_mirror_realm and not stream.invite_only:
 | 
						|
            continue
 | 
						|
 | 
						|
        new_users = [user for user in users if (user.id, stream.id) in new_streams]
 | 
						|
 | 
						|
        peer_user_ids = get_peer_user_ids_for_stream_change(
 | 
						|
            stream=stream,
 | 
						|
            altered_users=new_users,
 | 
						|
            subscribed_users=all_subs_by_stream[stream.id]
 | 
						|
        )
 | 
						|
 | 
						|
        if peer_user_ids:
 | 
						|
            for added_user in new_users:
 | 
						|
                event = dict(type="subscription", op="peer_add",
 | 
						|
                             subscriptions=[stream.name],
 | 
						|
                             user_id=added_user.id)
 | 
						|
                send_event(event, peer_user_ids)
 | 
						|
 | 
						|
    return ([(user_profile, stream) for (user_profile, recipient_id, stream) in new_subs] +
 | 
						|
            [(sub.user_profile, stream) for (sub, stream) in subs_to_activate],
 | 
						|
            already_subscribed)
 | 
						|
 | 
						|
def notify_subscriptions_removed(user_profile, streams, no_log=False):
 | 
						|
    # type: (UserProfile, Iterable[Stream], bool) -> None
 | 
						|
    if not no_log:
 | 
						|
        log_event({'type': 'subscription_removed',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'names': [stream.name for stream in streams],
 | 
						|
                   'realm': user_profile.realm.string_id})
 | 
						|
 | 
						|
    payload = [dict(name=stream.name, stream_id=stream.id) for stream in streams]
 | 
						|
    event = dict(type="subscription", op="remove",
 | 
						|
                 subscriptions=payload)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def bulk_remove_subscriptions(users, streams):
 | 
						|
    # type: (Iterable[UserProfile], Iterable[Stream]) -> Tuple[List[Tuple[UserProfile, Stream]], List[Tuple[UserProfile, Stream]]]
 | 
						|
 | 
						|
    recipients_map = bulk_get_recipients(Recipient.STREAM,
 | 
						|
                                         [stream.id for stream in streams]) # type: Mapping[int, Recipient]
 | 
						|
    stream_map = {} # type: Dict[int, Stream]
 | 
						|
    for stream in streams:
 | 
						|
        stream_map[recipients_map[stream.id].id] = stream
 | 
						|
 | 
						|
    subs_by_user = dict((user_profile.id, []) for user_profile in users) # type: Dict[int, List[Subscription]]
 | 
						|
    for sub in Subscription.objects.select_related("user_profile").filter(user_profile__in=users,
 | 
						|
                                                                          recipient__in=list(recipients_map.values()),
 | 
						|
                                                                          active=True):
 | 
						|
        subs_by_user[sub.user_profile_id].append(sub)
 | 
						|
 | 
						|
    subs_to_deactivate = [] # type: List[Tuple[Subscription, Stream]]
 | 
						|
    not_subscribed = [] # type: List[Tuple[UserProfile, Stream]]
 | 
						|
    for user_profile in users:
 | 
						|
        recipients_to_unsub = set([recipient.id for recipient in recipients_map.values()])
 | 
						|
        for sub in subs_by_user[user_profile.id]:
 | 
						|
            recipients_to_unsub.remove(sub.recipient_id)
 | 
						|
            subs_to_deactivate.append((sub, stream_map[sub.recipient_id]))
 | 
						|
        for recipient_id in recipients_to_unsub:
 | 
						|
            not_subscribed.append((user_profile, stream_map[recipient_id]))
 | 
						|
 | 
						|
    # TODO: XXX: This transaction really needs to be done at the serializeable
 | 
						|
    # transaction isolation level.
 | 
						|
    with transaction.atomic():
 | 
						|
        occupied_streams_before = list(get_occupied_streams(user_profile.realm))
 | 
						|
        Subscription.objects.filter(id__in=[sub.id for (sub, stream_name) in
 | 
						|
                                            subs_to_deactivate]).update(active=False)
 | 
						|
        occupied_streams_after = list(get_occupied_streams(user_profile.realm))
 | 
						|
 | 
						|
    new_vacant_streams = [stream for stream in
 | 
						|
                          set(occupied_streams_before) - set(occupied_streams_after)
 | 
						|
                          if not stream.invite_only]
 | 
						|
    if new_vacant_streams:
 | 
						|
        event = dict(type="stream", op="vacate",
 | 
						|
                     streams=[stream.to_dict()
 | 
						|
                              for stream in new_vacant_streams])
 | 
						|
        send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
    altered_user_dict = defaultdict(list) # type: Dict[int, List[UserProfile]]
 | 
						|
    streams_by_user = defaultdict(list) # type: Dict[int, List[Stream]]
 | 
						|
    for (sub, stream) in subs_to_deactivate:
 | 
						|
        streams_by_user[sub.user_profile_id].append(stream)
 | 
						|
        altered_user_dict[stream.id].append(sub.user_profile)
 | 
						|
 | 
						|
    for user_profile in users:
 | 
						|
        if len(streams_by_user[user_profile.id]) == 0:
 | 
						|
            continue
 | 
						|
        notify_subscriptions_removed(user_profile, streams_by_user[user_profile.id])
 | 
						|
 | 
						|
    all_subs_by_stream = query_all_subs_by_stream(streams=streams)
 | 
						|
 | 
						|
    for stream in streams:
 | 
						|
        if stream.realm.is_zephyr_mirror_realm and not stream.invite_only:
 | 
						|
            continue
 | 
						|
 | 
						|
        altered_users = altered_user_dict[stream.id]
 | 
						|
 | 
						|
        peer_user_ids = get_peer_user_ids_for_stream_change(
 | 
						|
            stream=stream,
 | 
						|
            altered_users=altered_users,
 | 
						|
            subscribed_users=all_subs_by_stream[stream.id]
 | 
						|
        )
 | 
						|
 | 
						|
        if peer_user_ids:
 | 
						|
            for removed_user in altered_users:
 | 
						|
                event = dict(type="subscription",
 | 
						|
                             op="peer_remove",
 | 
						|
                             subscriptions=[stream.name],
 | 
						|
                             user_id=removed_user.id)
 | 
						|
                send_event(event, peer_user_ids)
 | 
						|
 | 
						|
    return ([(sub.user_profile, stream) for (sub, stream) in subs_to_deactivate],
 | 
						|
            not_subscribed)
 | 
						|
 | 
						|
def log_subscription_property_change(user_email, stream_name, property, value):
 | 
						|
    # type: (Text, Text, Text, Any) -> None
 | 
						|
    event = {'type': 'subscription_property',
 | 
						|
             'property': property,
 | 
						|
             'user': user_email,
 | 
						|
             'stream_name': stream_name,
 | 
						|
             'value': value}
 | 
						|
    log_event(event)
 | 
						|
 | 
						|
def do_change_subscription_property(user_profile, sub, stream,
 | 
						|
                                    property_name, value):
 | 
						|
    # type: (UserProfile, Subscription, Stream, Text, Any) -> None
 | 
						|
    setattr(sub, property_name, value)
 | 
						|
    sub.save(update_fields=[property_name])
 | 
						|
    log_subscription_property_change(user_profile.email, stream.name,
 | 
						|
                                     property_name, value)
 | 
						|
 | 
						|
    event = dict(type="subscription",
 | 
						|
                 op="update",
 | 
						|
                 email=user_profile.email,
 | 
						|
                 property=property_name,
 | 
						|
                 value=value,
 | 
						|
                 stream_id=stream.id,
 | 
						|
                 name=stream.name)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_activate_user(user_profile):
 | 
						|
    # type: (UserProfile) -> None
 | 
						|
    user_profile.is_active = True
 | 
						|
    user_profile.is_mirror_dummy = False
 | 
						|
    user_profile.set_unusable_password()
 | 
						|
    user_profile.date_joined = timezone_now()
 | 
						|
    user_profile.tos_version = settings.TOS_VERSION
 | 
						|
    user_profile.save(update_fields=["is_active", "date_joined", "password",
 | 
						|
                                     "is_mirror_dummy", "tos_version"])
 | 
						|
 | 
						|
    event_time = user_profile.date_joined
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, modified_user=user_profile,
 | 
						|
                                 event_type='user_activated', event_time=event_time)
 | 
						|
    do_increment_logging_stat(user_profile.realm, COUNT_STATS['active_users_log:is_bot:day'],
 | 
						|
                              user_profile.is_bot, event_time)
 | 
						|
 | 
						|
    notify_created_user(user_profile)
 | 
						|
 | 
						|
def do_reactivate_user(user_profile):
 | 
						|
    # type: (UserProfile) -> None
 | 
						|
    # Unlike do_activate_user, this is meant for re-activating existing users,
 | 
						|
    # so it doesn't reset their password, etc.
 | 
						|
    user_profile.is_active = True
 | 
						|
    user_profile.save(update_fields=["is_active"])
 | 
						|
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, modified_user=user_profile,
 | 
						|
                                 event_type='user_reactivated', event_time=event_time)
 | 
						|
    do_increment_logging_stat(user_profile.realm, COUNT_STATS['active_users_log:is_bot:day'],
 | 
						|
                              user_profile.is_bot, event_time)
 | 
						|
 | 
						|
    notify_created_user(user_profile)
 | 
						|
 | 
						|
    if user_profile.is_bot:
 | 
						|
        notify_created_bot(user_profile)
 | 
						|
 | 
						|
def do_change_password(user_profile, password, commit=True,
 | 
						|
                       hashed_password=False):
 | 
						|
    # type: (UserProfile, Text, bool, bool) -> None
 | 
						|
    if hashed_password:
 | 
						|
        # This is a hashed password, not the password itself.
 | 
						|
        user_profile.set_password(password)
 | 
						|
    else:
 | 
						|
        user_profile.set_password(password)
 | 
						|
    if commit:
 | 
						|
        user_profile.save(update_fields=["password"])
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, acting_user=user_profile,
 | 
						|
                                 modified_user=user_profile, event_type='user_change_password',
 | 
						|
                                 event_time=event_time)
 | 
						|
 | 
						|
def do_change_full_name(user_profile, full_name, log=True):
 | 
						|
    # type: (UserProfile, Text, bool) -> None
 | 
						|
    user_profile.full_name = full_name
 | 
						|
    user_profile.save(update_fields=["full_name"])
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'user_change_full_name',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'full_name': full_name})
 | 
						|
 | 
						|
    payload = dict(email=user_profile.email,
 | 
						|
                   user_id=user_profile.id,
 | 
						|
                   full_name=user_profile.full_name)
 | 
						|
    send_event(dict(type='realm_user', op='update', person=payload),
 | 
						|
               active_user_ids(user_profile.realm))
 | 
						|
    if user_profile.is_bot:
 | 
						|
        send_event(dict(type='realm_bot', op='update', bot=payload),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_bot_owner(user_profile, bot_owner, acting_user):
 | 
						|
    # type: (UserProfile, UserProfile, UserProfile) -> None
 | 
						|
    user_profile.bot_owner = bot_owner
 | 
						|
    user_profile.save()
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, acting_user=acting_user,
 | 
						|
                                 modified_user=user_profile, event_type='bot_owner_changed',
 | 
						|
                                 event_time=event_time)
 | 
						|
    send_event(dict(type='realm_bot',
 | 
						|
                    op='update',
 | 
						|
                    bot=dict(email=user_profile.email,
 | 
						|
                             user_id=user_profile.id,
 | 
						|
                             owner_id=user_profile.bot_owner.id,
 | 
						|
                             )),
 | 
						|
               bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_tos_version(user_profile, tos_version, log=True):
 | 
						|
    # type: (UserProfile, Text, bool) -> None
 | 
						|
    user_profile.tos_version = tos_version
 | 
						|
    user_profile.save(update_fields=["tos_version"])
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'user_change_tos_version',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'tos_version': tos_version})
 | 
						|
 | 
						|
def do_regenerate_api_key(user_profile, acting_user):
 | 
						|
    # type: (UserProfile, UserProfile) -> None
 | 
						|
    user_profile.api_key = random_api_key()
 | 
						|
    user_profile.save(update_fields=["api_key"])
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, acting_user=acting_user,
 | 
						|
                                 modified_user=user_profile, event_type='user_api_key_changed',
 | 
						|
                                 event_time=event_time)
 | 
						|
 | 
						|
    if user_profile.is_bot:
 | 
						|
        send_event(dict(type='realm_bot',
 | 
						|
                        op='update',
 | 
						|
                        bot=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 api_key=user_profile.api_key,
 | 
						|
                                 )),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_avatar_fields(user_profile, avatar_source):
 | 
						|
    # type: (UserProfile, Text) -> None
 | 
						|
    user_profile.avatar_source = avatar_source
 | 
						|
    user_profile.avatar_version += 1
 | 
						|
    user_profile.save(update_fields=["avatar_source", "avatar_version"])
 | 
						|
    event_time = timezone_now()
 | 
						|
    RealmAuditLog.objects.create(realm=user_profile.realm, modified_user=user_profile,
 | 
						|
                                 event_type='user_change_avatar_source',
 | 
						|
                                 extra_data={'avatar_source': avatar_source},
 | 
						|
                                 event_time=event_time)
 | 
						|
 | 
						|
    if user_profile.is_bot:
 | 
						|
        send_event(dict(type='realm_bot',
 | 
						|
                        op='update',
 | 
						|
                        bot=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 avatar_url=avatar_url(user_profile),
 | 
						|
                                 )),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
    payload = dict(
 | 
						|
        email=user_profile.email,
 | 
						|
        avatar_source=user_profile.avatar_source,
 | 
						|
        avatar_url=avatar_url(user_profile),
 | 
						|
        avatar_url_medium=avatar_url(user_profile, medium=True),
 | 
						|
        user_id=user_profile.id
 | 
						|
    )
 | 
						|
 | 
						|
    send_event(dict(type='realm_user',
 | 
						|
                    op='update',
 | 
						|
                    person=payload),
 | 
						|
               active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
 | 
						|
def do_change_icon_source(realm, icon_source, log=True):
 | 
						|
    # type: (Realm, Text, bool) -> None
 | 
						|
    realm.icon_source = icon_source
 | 
						|
    realm.icon_version += 1
 | 
						|
    realm.save(update_fields=["icon_source", "icon_version"])
 | 
						|
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'realm_change_icon',
 | 
						|
                   'realm': realm.string_id,
 | 
						|
                   'icon_source': icon_source})
 | 
						|
 | 
						|
    send_event(dict(type='realm',
 | 
						|
                    op='update_dict',
 | 
						|
                    property="icon",
 | 
						|
                    data=dict(icon_source=realm.icon_source,
 | 
						|
                              icon_url=realm_icon_url(realm))),
 | 
						|
               active_user_ids(realm))
 | 
						|
 | 
						|
def _default_stream_permision_check(user_profile, stream):
 | 
						|
    # type: (UserProfile, Optional[Stream]) -> None
 | 
						|
    # Any user can have a None default stream
 | 
						|
    if stream is not None:
 | 
						|
        if user_profile.is_bot:
 | 
						|
            user = user_profile.bot_owner
 | 
						|
        else:
 | 
						|
            user = user_profile
 | 
						|
        if stream.invite_only and not subscribed_to_stream(user, stream):
 | 
						|
            raise JsonableError(_('Insufficient permission'))
 | 
						|
 | 
						|
def do_change_default_sending_stream(user_profile, stream, log=True):
 | 
						|
    # type: (UserProfile, Optional[Stream], bool) -> None
 | 
						|
    _default_stream_permision_check(user_profile, stream)
 | 
						|
 | 
						|
    user_profile.default_sending_stream = stream
 | 
						|
    user_profile.save(update_fields=['default_sending_stream'])
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'user_change_default_sending_stream',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'stream': str(stream)})
 | 
						|
    if user_profile.is_bot:
 | 
						|
        if stream:
 | 
						|
            stream_name = stream.name  # type: Optional[Text]
 | 
						|
        else:
 | 
						|
            stream_name = None
 | 
						|
        send_event(dict(type='realm_bot',
 | 
						|
                        op='update',
 | 
						|
                        bot=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 default_sending_stream=stream_name,
 | 
						|
                                 )),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_default_events_register_stream(user_profile, stream, log=True):
 | 
						|
    # type: (UserProfile, Optional[Stream], bool) -> None
 | 
						|
    _default_stream_permision_check(user_profile, stream)
 | 
						|
 | 
						|
    user_profile.default_events_register_stream = stream
 | 
						|
    user_profile.save(update_fields=['default_events_register_stream'])
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'user_change_default_events_register_stream',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'stream': str(stream)})
 | 
						|
    if user_profile.is_bot:
 | 
						|
        if stream:
 | 
						|
            stream_name = stream.name  # type: Optional[Text]
 | 
						|
        else:
 | 
						|
            stream_name = None
 | 
						|
        send_event(dict(type='realm_bot',
 | 
						|
                        op='update',
 | 
						|
                        bot=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 default_events_register_stream=stream_name,
 | 
						|
                                 )),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_default_all_public_streams(user_profile, value, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.default_all_public_streams = value
 | 
						|
    user_profile.save(update_fields=['default_all_public_streams'])
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'user_change_default_all_public_streams',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'value': str(value)})
 | 
						|
    if user_profile.is_bot:
 | 
						|
        send_event(dict(type='realm_bot',
 | 
						|
                        op='update',
 | 
						|
                        bot=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 default_all_public_streams=user_profile.default_all_public_streams,
 | 
						|
                                 )),
 | 
						|
                   bot_owner_userids(user_profile))
 | 
						|
 | 
						|
def do_change_is_admin(user_profile, value, permission='administer'):
 | 
						|
    # type: (UserProfile, bool, str) -> None
 | 
						|
    if permission == "administer":
 | 
						|
        user_profile.is_realm_admin = value
 | 
						|
        user_profile.save(update_fields=["is_realm_admin"])
 | 
						|
    elif permission == "api_super_user":
 | 
						|
        user_profile.is_api_super_user = value
 | 
						|
        user_profile.save(update_fields=["is_api_super_user"])
 | 
						|
    else:
 | 
						|
        raise Exception("Unknown permission")
 | 
						|
 | 
						|
    if permission == 'administer':
 | 
						|
        event = dict(type="realm_user", op="update",
 | 
						|
                     person=dict(email=user_profile.email,
 | 
						|
                                 user_id=user_profile.id,
 | 
						|
                                 is_admin=value))
 | 
						|
        send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
def do_change_bot_type(user_profile, value):
 | 
						|
    # type: (UserProfile, int) -> None
 | 
						|
    user_profile.bot_type = value
 | 
						|
    user_profile.save(update_fields=["bot_type"])
 | 
						|
 | 
						|
def do_change_stream_invite_only(stream, invite_only):
 | 
						|
    # type: (Stream, bool) -> None
 | 
						|
    stream.invite_only = invite_only
 | 
						|
    stream.save(update_fields=['invite_only'])
 | 
						|
 | 
						|
def do_rename_stream(stream, new_name, log=True):
 | 
						|
    # type: (Stream, Text, bool) -> Dict[str, Text]
 | 
						|
    old_name = stream.name
 | 
						|
    stream.name = new_name
 | 
						|
    stream.save(update_fields=["name"])
 | 
						|
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'stream_name_change',
 | 
						|
                   'realm': stream.realm.string_id,
 | 
						|
                   'new_name': new_name})
 | 
						|
 | 
						|
    recipient = get_recipient(Recipient.STREAM, stream.id)
 | 
						|
    messages = Message.objects.filter(recipient=recipient).only("id")
 | 
						|
 | 
						|
    # Update the display recipient and stream, which are easy single
 | 
						|
    # items to set.
 | 
						|
    old_cache_key = get_stream_cache_key(old_name, stream.realm)
 | 
						|
    new_cache_key = get_stream_cache_key(stream.name, stream.realm)
 | 
						|
    if old_cache_key != new_cache_key:
 | 
						|
        cache_delete(old_cache_key)
 | 
						|
        cache_set(new_cache_key, stream)
 | 
						|
    cache_set(display_recipient_cache_key(recipient.id), stream.name)
 | 
						|
 | 
						|
    # Delete cache entries for everything else, which is cheaper and
 | 
						|
    # clearer than trying to set them. display_recipient is the out of
 | 
						|
    # date field in all cases.
 | 
						|
    cache_delete_many(
 | 
						|
        to_dict_cache_key_id(message.id, True) for message in messages)
 | 
						|
    cache_delete_many(
 | 
						|
        to_dict_cache_key_id(message.id, False) for message in messages)
 | 
						|
    new_email = encode_email_address(stream)
 | 
						|
 | 
						|
    # We will tell our users to essentially
 | 
						|
    # update stream.name = new_name where name = old_name
 | 
						|
    # and update stream.email = new_email where name = old_name.
 | 
						|
    # We could optimize this by trying to send one message, but the
 | 
						|
    # client code really wants one property update at a time, and
 | 
						|
    # updating stream names is a pretty infrequent operation.
 | 
						|
    # More importantly, we want to key these updates by id, not name,
 | 
						|
    # since id is the immutable primary key, and obviously name is not.
 | 
						|
    data_updates = [
 | 
						|
        ['email_address', new_email],
 | 
						|
        ['name', new_name],
 | 
						|
    ]
 | 
						|
    for property, value in data_updates:
 | 
						|
        event = dict(
 | 
						|
            op="update",
 | 
						|
            type="stream",
 | 
						|
            property=property,
 | 
						|
            value=value,
 | 
						|
            stream_id=stream.id,
 | 
						|
            name=old_name,
 | 
						|
        )
 | 
						|
        send_event(event, can_access_stream_user_ids(stream))
 | 
						|
 | 
						|
    # Even though the token doesn't change, the web client needs to update the
 | 
						|
    # email forwarding address to display the correctly-escaped new name.
 | 
						|
    return {"email_address": new_email}
 | 
						|
 | 
						|
def do_change_stream_description(stream, new_description):
 | 
						|
    # type: (Stream, Text) -> None
 | 
						|
    stream.description = new_description
 | 
						|
    stream.save(update_fields=['description'])
 | 
						|
 | 
						|
    event = dict(
 | 
						|
        type='stream',
 | 
						|
        op='update',
 | 
						|
        property='description',
 | 
						|
        name=stream.name,
 | 
						|
        stream_id=stream.id,
 | 
						|
        value=new_description,
 | 
						|
    )
 | 
						|
    send_event(event, can_access_stream_user_ids(stream))
 | 
						|
 | 
						|
def do_create_realm(string_id, name, restricted_to_domain=None,
 | 
						|
                    invite_required=None, org_type=None):
 | 
						|
    # type: (Text, Text, Optional[bool], Optional[bool], Optional[int]) -> Tuple[Realm, bool]
 | 
						|
    realm = get_realm(string_id)
 | 
						|
    created = not realm
 | 
						|
    if created:
 | 
						|
        kwargs = {} # type: Dict[str, Any]
 | 
						|
        if restricted_to_domain is not None:
 | 
						|
            kwargs['restricted_to_domain'] = restricted_to_domain
 | 
						|
        if invite_required is not None:
 | 
						|
            kwargs['invite_required'] = invite_required
 | 
						|
        if org_type is not None:
 | 
						|
            kwargs['org_type'] = org_type
 | 
						|
        realm = Realm(string_id=string_id, name=name, **kwargs)
 | 
						|
        realm.save()
 | 
						|
 | 
						|
        # Create stream once Realm object has been saved
 | 
						|
        notifications_stream, _ = create_stream_if_needed(realm, Realm.DEFAULT_NOTIFICATION_STREAM_NAME)
 | 
						|
        realm.notifications_stream = notifications_stream
 | 
						|
        realm.save(update_fields=['notifications_stream'])
 | 
						|
 | 
						|
        # Include a welcome message in this notifications stream
 | 
						|
        stream_name = notifications_stream.name
 | 
						|
        sender = get_user_profile_by_email(settings.WELCOME_BOT)
 | 
						|
        topic = "welcome"
 | 
						|
        content = """Hello, and welcome to Zulip!
 | 
						|
 | 
						|
This is a message on stream `%s` with the topic `welcome`. We'll use this stream for
 | 
						|
system-generated notifications.""" % (stream_name,)
 | 
						|
 | 
						|
        msg = internal_prep_stream_message(
 | 
						|
            realm=realm,
 | 
						|
            sender=sender,
 | 
						|
            stream_name=stream_name,
 | 
						|
            topic=topic,
 | 
						|
            content=content)
 | 
						|
        do_send_messages([msg])
 | 
						|
 | 
						|
        # Log the event
 | 
						|
        log_event({"type": "realm_created",
 | 
						|
                   "string_id": string_id,
 | 
						|
                   "restricted_to_domain": restricted_to_domain,
 | 
						|
                   "invite_required": invite_required,
 | 
						|
                   "org_type": org_type})
 | 
						|
 | 
						|
        # Send a notification to the admin realm (if configured)
 | 
						|
        if settings.NEW_USER_BOT is not None:
 | 
						|
            signup_message = "Signups enabled"
 | 
						|
            admin_realm = get_user_profile_by_email(settings.NEW_USER_BOT).realm
 | 
						|
            internal_send_message(admin_realm, settings.NEW_USER_BOT, "stream",
 | 
						|
                                  "signups", string_id, signup_message)
 | 
						|
    return (realm, created)
 | 
						|
 | 
						|
def do_change_enable_stream_desktop_notifications(user_profile,
 | 
						|
                                                  enable_stream_desktop_notifications,
 | 
						|
                                                  log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_stream_desktop_notifications = enable_stream_desktop_notifications
 | 
						|
    user_profile.save(update_fields=["enable_stream_desktop_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_stream_desktop_notifications',
 | 
						|
             'setting': enable_stream_desktop_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_stream_sounds(user_profile, enable_stream_sounds, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_stream_sounds = enable_stream_sounds
 | 
						|
    user_profile.save(update_fields=["enable_stream_sounds"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_stream_sounds',
 | 
						|
             'setting': enable_stream_sounds}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_desktop_notifications(user_profile, enable_desktop_notifications, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_desktop_notifications = enable_desktop_notifications
 | 
						|
    user_profile.save(update_fields=["enable_desktop_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_desktop_notifications',
 | 
						|
             'setting': enable_desktop_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_pm_content_in_desktop_notifications(user_profile,
 | 
						|
                                                  pm_content_in_desktop_notifications, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.pm_content_in_desktop_notifications \
 | 
						|
        = pm_content_in_desktop_notifications
 | 
						|
    user_profile.save(update_fields=["pm_content_in_desktop_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'pm_content_in_desktop_notifications',
 | 
						|
             'setting': pm_content_in_desktop_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
 | 
						|
def do_change_enable_sounds(user_profile, enable_sounds, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_sounds = enable_sounds
 | 
						|
    user_profile.save(update_fields=["enable_sounds"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_sounds',
 | 
						|
             'setting': enable_sounds}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_offline_email_notifications(user_profile, offline_email_notifications, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_offline_email_notifications = offline_email_notifications
 | 
						|
    user_profile.save(update_fields=["enable_offline_email_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_offline_email_notifications',
 | 
						|
             'setting': offline_email_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_offline_push_notifications(user_profile, offline_push_notifications, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_offline_push_notifications = offline_push_notifications
 | 
						|
    user_profile.save(update_fields=["enable_offline_push_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_offline_push_notifications',
 | 
						|
             'setting': offline_push_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_online_push_notifications(user_profile, enable_online_push_notifications, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_online_push_notifications = enable_online_push_notifications
 | 
						|
    user_profile.save(update_fields=["enable_online_push_notifications"])
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_online_push_notifications',
 | 
						|
             'setting': enable_online_push_notifications}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_enable_digest_emails(user_profile, enable_digest_emails, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.enable_digest_emails = enable_digest_emails
 | 
						|
    user_profile.save(update_fields=["enable_digest_emails"])
 | 
						|
 | 
						|
    if not enable_digest_emails:
 | 
						|
        # Remove any digest emails that have been enqueued.
 | 
						|
        clear_followup_emails_queue(user_profile.email)
 | 
						|
 | 
						|
    event = {'type': 'update_global_notifications',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'notification_name': 'enable_digest_emails',
 | 
						|
             'setting': enable_digest_emails}
 | 
						|
    if log:
 | 
						|
        log_event(event)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_change_autoscroll_forever(user_profile, autoscroll_forever, log=True):
 | 
						|
    # type: (UserProfile, bool, bool) -> None
 | 
						|
    user_profile.autoscroll_forever = autoscroll_forever
 | 
						|
    user_profile.save(update_fields=["autoscroll_forever"])
 | 
						|
 | 
						|
    if log:
 | 
						|
        log_event({'type': 'autoscroll_forever',
 | 
						|
                   'user': user_profile.email,
 | 
						|
                   'autoscroll_forever': autoscroll_forever})
 | 
						|
 | 
						|
def do_change_enter_sends(user_profile, enter_sends):
 | 
						|
    # type: (UserProfile, bool) -> None
 | 
						|
    user_profile.enter_sends = enter_sends
 | 
						|
    user_profile.save(update_fields=["enter_sends"])
 | 
						|
 | 
						|
def do_change_default_desktop_notifications(user_profile, default_desktop_notifications):
 | 
						|
    # type: (UserProfile, bool) -> None
 | 
						|
    user_profile.default_desktop_notifications = default_desktop_notifications
 | 
						|
    user_profile.save(update_fields=["default_desktop_notifications"])
 | 
						|
 | 
						|
def do_set_user_display_setting(user_profile, setting_name, setting_value):
 | 
						|
    # type: (UserProfile, str, Union[bool, Text]) -> None
 | 
						|
    property_type = UserProfile.property_types[setting_name]
 | 
						|
    assert isinstance(setting_value, property_type)
 | 
						|
    setattr(user_profile, setting_name, setting_value)
 | 
						|
    user_profile.save(update_fields=[setting_name])
 | 
						|
    event = {'type': 'update_display_settings',
 | 
						|
             'user': user_profile.email,
 | 
						|
             'setting_name': setting_name,
 | 
						|
             'setting': setting_value}
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
    # Updates to the timezone display setting are sent to all users
 | 
						|
    if setting_name == "timezone":
 | 
						|
        payload = dict(email=user_profile.email,
 | 
						|
                       user_id=user_profile.id,
 | 
						|
                       timezone=user_profile.timezone)
 | 
						|
        send_event(dict(type='realm_user', op='update', person=payload),
 | 
						|
                   active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
def set_default_streams(realm, stream_dict):
 | 
						|
    # type: (Realm, Dict[Text, Dict[Text, Any]]) -> None
 | 
						|
    DefaultStream.objects.filter(realm=realm).delete()
 | 
						|
    stream_names = []
 | 
						|
    for name, options in stream_dict.items():
 | 
						|
        stream_names.append(name)
 | 
						|
        stream, _ = create_stream_if_needed(realm,
 | 
						|
                                            name,
 | 
						|
                                            invite_only = options["invite_only"],
 | 
						|
                                            stream_description = options["description"])
 | 
						|
        DefaultStream.objects.create(stream=stream, realm=realm)
 | 
						|
 | 
						|
    # Always include the realm's default notifications streams, if it exists
 | 
						|
    if realm.notifications_stream is not None:
 | 
						|
        DefaultStream.objects.get_or_create(stream=realm.notifications_stream, realm=realm)
 | 
						|
 | 
						|
    log_event({'type': 'default_streams',
 | 
						|
               'realm': realm.string_id,
 | 
						|
               'streams': stream_names})
 | 
						|
 | 
						|
def notify_default_streams(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    event = dict(
 | 
						|
        type="default_streams",
 | 
						|
        default_streams=streams_to_dicts_sorted(get_default_streams_for_realm(realm))
 | 
						|
    )
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
def do_add_default_stream(stream):
 | 
						|
    # type: (Stream) -> None
 | 
						|
    if not DefaultStream.objects.filter(realm=stream.realm, stream=stream).exists():
 | 
						|
        DefaultStream.objects.create(realm=stream.realm, stream=stream)
 | 
						|
        notify_default_streams(stream.realm)
 | 
						|
 | 
						|
def do_remove_default_stream(stream):
 | 
						|
    # type: (Stream) -> None
 | 
						|
    DefaultStream.objects.filter(realm=stream.realm, stream=stream).delete()
 | 
						|
    notify_default_streams(stream.realm)
 | 
						|
 | 
						|
def get_default_streams_for_realm(realm):
 | 
						|
    # type: (Realm) -> List[Stream]
 | 
						|
    return [default.stream for default in
 | 
						|
            DefaultStream.objects.select_related("stream", "stream__realm").filter(realm=realm)]
 | 
						|
 | 
						|
def get_default_subs(user_profile):
 | 
						|
    # type: (UserProfile) -> List[Stream]
 | 
						|
    # Right now default streams are realm-wide.  This wrapper gives us flexibility
 | 
						|
    # to some day further customize how we set up default streams for new users.
 | 
						|
    return get_default_streams_for_realm(user_profile.realm)
 | 
						|
 | 
						|
# returns default streams in json serializeable format
 | 
						|
def streams_to_dicts_sorted(streams):
 | 
						|
    # type: (List[Stream]) -> List[Dict[str, Any]]
 | 
						|
    return sorted([stream.to_dict() for stream in streams], key=lambda elt: elt["name"])
 | 
						|
 | 
						|
def do_update_user_activity_interval(user_profile, log_time):
 | 
						|
    # type: (UserProfile, datetime.datetime) -> None
 | 
						|
    effective_end = log_time + UserActivityInterval.MIN_INTERVAL_LENGTH
 | 
						|
    # This code isn't perfect, because with various races we might end
 | 
						|
    # up creating two overlapping intervals, but that shouldn't happen
 | 
						|
    # often, and can be corrected for in post-processing
 | 
						|
    try:
 | 
						|
        last = UserActivityInterval.objects.filter(user_profile=user_profile).order_by("-end")[0]
 | 
						|
        # There are two ways our intervals could overlap:
 | 
						|
        # (1) The start of the new interval could be inside the old interval
 | 
						|
        # (2) The end of the new interval could be inside the old interval
 | 
						|
        # In either case, we just extend the old interval to include the new interval.
 | 
						|
        if ((log_time <= last.end and log_time >= last.start) or
 | 
						|
                (effective_end <= last.end and effective_end >= last.start)):
 | 
						|
            last.end = max(last.end, effective_end)
 | 
						|
            last.start = min(last.start, log_time)
 | 
						|
            last.save(update_fields=["start", "end"])
 | 
						|
            return
 | 
						|
    except IndexError:
 | 
						|
        pass
 | 
						|
 | 
						|
    # Otherwise, the intervals don't overlap, so we should make a new one
 | 
						|
    UserActivityInterval.objects.create(user_profile=user_profile, start=log_time,
 | 
						|
                                        end=effective_end)
 | 
						|
 | 
						|
@statsd_increment('user_activity')
 | 
						|
def do_update_user_activity(user_profile, client, query, log_time):
 | 
						|
    # type: (UserProfile, Client, Text, datetime.datetime) -> None
 | 
						|
    (activity, created) = UserActivity.objects.get_or_create(
 | 
						|
        user_profile = user_profile,
 | 
						|
        client = client,
 | 
						|
        query = query,
 | 
						|
        defaults={'last_visit': log_time, 'count': 0})
 | 
						|
 | 
						|
    activity.count += 1
 | 
						|
    activity.last_visit = log_time
 | 
						|
    activity.save(update_fields=["last_visit", "count"])
 | 
						|
 | 
						|
def send_presence_changed(user_profile, presence):
 | 
						|
    # type: (UserProfile, UserPresence) -> None
 | 
						|
    presence_dict = presence.to_dict()
 | 
						|
    event = dict(type="presence", email=user_profile.email,
 | 
						|
                 server_timestamp=time.time(),
 | 
						|
                 presence={presence_dict['client']: presence_dict})
 | 
						|
    send_event(event, active_user_ids(user_profile.realm))
 | 
						|
 | 
						|
def consolidate_client(client):
 | 
						|
    # type: (Client) -> Client
 | 
						|
    # The web app reports a client as 'website'
 | 
						|
    # The desktop app reports a client as ZulipDesktop
 | 
						|
    # due to it setting a custom user agent. We want both
 | 
						|
    # to count as web users
 | 
						|
 | 
						|
    # Alias ZulipDesktop to website
 | 
						|
    if client.name in ['ZulipDesktop']:
 | 
						|
        return get_client('website')
 | 
						|
    else:
 | 
						|
        return client
 | 
						|
 | 
						|
@statsd_increment('user_presence')
 | 
						|
def do_update_user_presence(user_profile, client, log_time, status):
 | 
						|
    # type: (UserProfile, Client, datetime.datetime, int) -> None
 | 
						|
    client = consolidate_client(client)
 | 
						|
    (presence, created) = UserPresence.objects.get_or_create(
 | 
						|
        user_profile = user_profile,
 | 
						|
        client = client,
 | 
						|
        defaults = {'timestamp': log_time,
 | 
						|
                    'status': status})
 | 
						|
 | 
						|
    stale_status = (log_time - presence.timestamp) > datetime.timedelta(minutes=1, seconds=10)
 | 
						|
    was_idle = presence.status == UserPresence.IDLE
 | 
						|
    became_online = (status == UserPresence.ACTIVE) and (stale_status or was_idle)
 | 
						|
 | 
						|
    # If an object was created, it has already been saved.
 | 
						|
    #
 | 
						|
    # We suppress changes from ACTIVE to IDLE before stale_status is reached;
 | 
						|
    # this protects us from the user having two clients open: one active, the
 | 
						|
    # other idle. Without this check, we would constantly toggle their status
 | 
						|
    # between the two states.
 | 
						|
    if not created and stale_status or was_idle or status == presence.status:
 | 
						|
        # The following block attempts to only update the "status"
 | 
						|
        # field in the event that it actually changed.  This is
 | 
						|
        # important to avoid flushing the UserPresence cache when the
 | 
						|
        # data it would return to a client hasn't actually changed
 | 
						|
        # (see the UserPresence post_save hook for details).
 | 
						|
        presence.timestamp = log_time
 | 
						|
        update_fields = ["timestamp"]
 | 
						|
        if presence.status != status:
 | 
						|
            presence.status = status
 | 
						|
            update_fields.append("status")
 | 
						|
        presence.save(update_fields=update_fields)
 | 
						|
 | 
						|
    if not user_profile.realm.is_zephyr_mirror_realm and (created or became_online):
 | 
						|
        # Push event to all users in the realm so they see the new user
 | 
						|
        # appear in the presence list immediately, or the newly online
 | 
						|
        # user without delay.  Note that we won't send an update here for a
 | 
						|
        # timestamp update, because we rely on the browser to ping us every 50
 | 
						|
        # seconds for realm-wide status updates, and those updates should have
 | 
						|
        # recent timestamps, which means the browser won't think active users
 | 
						|
        # have gone idle.  If we were more aggressive in this function about
 | 
						|
        # sending timestamp updates, we could eliminate the ping responses, but
 | 
						|
        # that's not a high priority for now, considering that most of our non-MIT
 | 
						|
        # realms are pretty small.
 | 
						|
        send_presence_changed(user_profile, presence)
 | 
						|
 | 
						|
def update_user_activity_interval(user_profile, log_time):
 | 
						|
    # type: (UserProfile, datetime.datetime) -> None
 | 
						|
    event = {'user_profile_id': user_profile.id,
 | 
						|
             'time': datetime_to_timestamp(log_time)}
 | 
						|
    queue_json_publish("user_activity_interval", event,
 | 
						|
                       lambda e: do_update_user_activity_interval(user_profile, log_time))
 | 
						|
 | 
						|
def update_user_presence(user_profile, client, log_time, status,
 | 
						|
                         new_user_input):
 | 
						|
    # type: (UserProfile, Client, datetime.datetime, int, bool) -> None
 | 
						|
    event = {'user_profile_id': user_profile.id,
 | 
						|
             'status': status,
 | 
						|
             'time': datetime_to_timestamp(log_time),
 | 
						|
             'client': client.name}
 | 
						|
 | 
						|
    queue_json_publish("user_presence", event,
 | 
						|
                       lambda e: do_update_user_presence(user_profile, client,
 | 
						|
                                                         log_time, status))
 | 
						|
 | 
						|
    if new_user_input:
 | 
						|
        update_user_activity_interval(user_profile, log_time)
 | 
						|
 | 
						|
def do_update_pointer(user_profile, pointer, update_flags=False):
 | 
						|
    # type: (UserProfile, int, bool) -> None
 | 
						|
    prev_pointer = user_profile.pointer
 | 
						|
    user_profile.pointer = pointer
 | 
						|
    user_profile.save(update_fields=["pointer"])
 | 
						|
 | 
						|
    if update_flags:
 | 
						|
        # Until we handle the new read counts in the Android app
 | 
						|
        # natively, this is a shim that will mark as read any messages
 | 
						|
        # up until the pointer move
 | 
						|
        UserMessage.objects.filter(user_profile=user_profile,
 | 
						|
                                   message__id__gt=prev_pointer,
 | 
						|
                                   message__id__lte=pointer,
 | 
						|
                                   flags=~UserMessage.flags.read)        \
 | 
						|
                           .update(flags=F('flags').bitor(UserMessage.flags.read))
 | 
						|
 | 
						|
    event = dict(type='pointer', pointer=pointer)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_update_message_flags(user_profile, operation, flag, messages, all, stream_obj, topic_name):
 | 
						|
    # type: (UserProfile, Text, Text, Sequence[int], bool, Optional[Stream], Optional[Text]) -> int
 | 
						|
    flagattr = getattr(UserMessage.flags, flag)
 | 
						|
 | 
						|
    if all:
 | 
						|
        log_statsd_event('bankruptcy')
 | 
						|
        msgs = UserMessage.objects.filter(user_profile=user_profile)
 | 
						|
    elif stream_obj is not None:
 | 
						|
        recipient = get_recipient(Recipient.STREAM, stream_obj.id)
 | 
						|
        if topic_name:
 | 
						|
            msgs = UserMessage.objects.filter(message__recipient=recipient,
 | 
						|
                                              user_profile=user_profile,
 | 
						|
                                              message__subject__iexact=topic_name)
 | 
						|
        else:
 | 
						|
            msgs = UserMessage.objects.filter(message__recipient=recipient, user_profile=user_profile)
 | 
						|
    else:
 | 
						|
        msgs = UserMessage.objects.filter(user_profile=user_profile,
 | 
						|
                                          message__id__in=messages)
 | 
						|
        # Hack to let you star any message
 | 
						|
        if msgs.count() == 0:
 | 
						|
            if not len(messages) == 1:
 | 
						|
                raise JsonableError(_("Invalid message(s)"))
 | 
						|
            if flag != "starred":
 | 
						|
                raise JsonableError(_("Invalid message(s)"))
 | 
						|
            # Validate that the user could have read the relevant message
 | 
						|
            message = access_message(user_profile, messages[0])[0]
 | 
						|
 | 
						|
            # OK, this is a message that you legitimately have access
 | 
						|
            # to via narrowing to the stream it is on, even though you
 | 
						|
            # didn't actually receive it.  So we create a historical,
 | 
						|
            # read UserMessage message row for you to star.
 | 
						|
            UserMessage.objects.create(user_profile=user_profile,
 | 
						|
                                       message=message,
 | 
						|
                                       flags=UserMessage.flags.historical | UserMessage.flags.read)
 | 
						|
 | 
						|
    # The filter() statements below prevent postgres from doing a lot of
 | 
						|
    # unnecessary work, which is a big deal for users updating lots of
 | 
						|
    # flags (e.g. bankruptcy).  This patch arose from seeing slow calls
 | 
						|
    # to POST /json/messages/flags in the logs.  The filter() statements
 | 
						|
    # are kind of magical; they are actually just testing the one bit.
 | 
						|
    if operation == 'add':
 | 
						|
        msgs = msgs.filter(flags=~flagattr)
 | 
						|
        if stream_obj:
 | 
						|
            messages = list(msgs.values_list('message__id', flat=True))
 | 
						|
        count = msgs.update(flags=F('flags').bitor(flagattr))
 | 
						|
    elif operation == 'remove':
 | 
						|
        msgs = msgs.filter(flags=flagattr)
 | 
						|
        if stream_obj:
 | 
						|
            messages = list(msgs.values_list('message__id', flat=True))
 | 
						|
        count = msgs.update(flags=F('flags').bitand(~flagattr))
 | 
						|
 | 
						|
    event = {'type': 'update_message_flags',
 | 
						|
             'operation': operation,
 | 
						|
             'flag': flag,
 | 
						|
             'messages': messages,
 | 
						|
             'all': all}
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
    statsd.incr("flags.%s.%s" % (flag, operation), count)
 | 
						|
    return count
 | 
						|
 | 
						|
def subscribed_to_stream(user_profile, stream):
 | 
						|
    # type: (UserProfile, Stream) -> bool
 | 
						|
    try:
 | 
						|
        if Subscription.objects.get(user_profile=user_profile,
 | 
						|
                                    active=True,
 | 
						|
                                    recipient__type=Recipient.STREAM,
 | 
						|
                                    recipient__type_id=stream.id):
 | 
						|
            return True
 | 
						|
        return False
 | 
						|
    except Subscription.DoesNotExist:
 | 
						|
        return False
 | 
						|
 | 
						|
def truncate_content(content, max_length, truncation_message):
 | 
						|
    # type: (Text, int, Text) -> Text
 | 
						|
    if len(content) > max_length:
 | 
						|
        content = content[:max_length - len(truncation_message)] + truncation_message
 | 
						|
    return content
 | 
						|
 | 
						|
def truncate_body(body):
 | 
						|
    # type: (Text) -> Text
 | 
						|
    return truncate_content(body, MAX_MESSAGE_LENGTH, "...")
 | 
						|
 | 
						|
def truncate_topic(topic):
 | 
						|
    # type: (Text) -> Text
 | 
						|
    return truncate_content(topic, MAX_SUBJECT_LENGTH, "...")
 | 
						|
 | 
						|
 | 
						|
def update_user_message_flags(message, ums):
 | 
						|
    # type: (Message, Iterable[UserMessage]) -> None
 | 
						|
    wildcard = message.mentions_wildcard
 | 
						|
    mentioned_ids = message.mentions_user_ids
 | 
						|
    ids_with_alert_words = message.user_ids_with_alert_words
 | 
						|
    changed_ums = set() # type: Set[UserMessage]
 | 
						|
 | 
						|
    def update_flag(um, should_set, flag):
 | 
						|
        # type: (UserMessage, bool, int) -> None
 | 
						|
        if should_set:
 | 
						|
            if not (um.flags & flag):
 | 
						|
                um.flags |= flag
 | 
						|
                changed_ums.add(um)
 | 
						|
        else:
 | 
						|
            if (um.flags & flag):
 | 
						|
                um.flags &= ~flag
 | 
						|
                changed_ums.add(um)
 | 
						|
 | 
						|
    for um in ums:
 | 
						|
        has_alert_word = um.user_profile_id in ids_with_alert_words
 | 
						|
        update_flag(um, has_alert_word, UserMessage.flags.has_alert_word)
 | 
						|
 | 
						|
        mentioned = um.user_profile_id in mentioned_ids
 | 
						|
        update_flag(um, mentioned, UserMessage.flags.mentioned)
 | 
						|
 | 
						|
        update_flag(um, wildcard, UserMessage.flags.wildcard_mentioned)
 | 
						|
 | 
						|
        is_me_message = getattr(message, 'is_me_message', False)
 | 
						|
        update_flag(um, is_me_message, UserMessage.flags.is_me_message)
 | 
						|
 | 
						|
    for um in changed_ums:
 | 
						|
        um.save(update_fields=['flags'])
 | 
						|
 | 
						|
def update_to_dict_cache(changed_messages):
 | 
						|
    # type: (List[Message]) -> List[int]
 | 
						|
    """Updates the message as stored in the to_dict cache (for serving
 | 
						|
    messages)."""
 | 
						|
    items_for_remote_cache = {}
 | 
						|
    message_ids = []
 | 
						|
    for changed_message in changed_messages:
 | 
						|
        message_ids.append(changed_message.id)
 | 
						|
        items_for_remote_cache[to_dict_cache_key(changed_message, True)] = \
 | 
						|
            (MessageDict.to_dict_uncached(changed_message, apply_markdown=True),)
 | 
						|
        items_for_remote_cache[to_dict_cache_key(changed_message, False)] = \
 | 
						|
            (MessageDict.to_dict_uncached(changed_message, apply_markdown=False),)
 | 
						|
    cache_set_many(items_for_remote_cache)
 | 
						|
    return message_ids
 | 
						|
 | 
						|
# We use transaction.atomic to support select_for_update in the attachment codepath.
 | 
						|
@transaction.atomic
 | 
						|
def do_update_embedded_data(user_profile, message, content, rendered_content):
 | 
						|
    # type: (UserProfile, Message, Optional[Text], Optional[Text]) -> None
 | 
						|
    event = {
 | 
						|
        'type': 'update_message',
 | 
						|
        'sender': user_profile.email,
 | 
						|
        'message_id': message.id}  # type: Dict[str, Any]
 | 
						|
    changed_messages = [message]
 | 
						|
 | 
						|
    ums = UserMessage.objects.filter(message=message.id)
 | 
						|
 | 
						|
    if content is not None:
 | 
						|
        update_user_message_flags(message, ums)
 | 
						|
        message.content = content
 | 
						|
        message.rendered_content = rendered_content
 | 
						|
        message.rendered_content_version = bugdown_version
 | 
						|
        event["content"] = content
 | 
						|
        event["rendered_content"] = rendered_content
 | 
						|
 | 
						|
    message.save(update_fields=["content", "rendered_content"])
 | 
						|
 | 
						|
    event['message_ids'] = update_to_dict_cache(changed_messages)
 | 
						|
 | 
						|
    def user_info(um):
 | 
						|
        # type: (UserMessage) -> Dict[str, Any]
 | 
						|
        return {
 | 
						|
            'id': um.user_profile_id,
 | 
						|
            'flags': um.flags_list()
 | 
						|
        }
 | 
						|
    send_event(event, list(map(user_info, ums)))
 | 
						|
 | 
						|
# We use transaction.atomic to support select_for_update in the attachment codepath.
 | 
						|
@transaction.atomic
 | 
						|
def do_update_message(user_profile, message, subject, propagate_mode, content, rendered_content):
 | 
						|
    # type: (UserProfile, Message, Optional[Text], str, Optional[Text], Optional[Text]) -> int
 | 
						|
    event = {'type': 'update_message',
 | 
						|
             # TODO: We probably want to remove the 'sender' field
 | 
						|
             # after confirming it isn't used by any consumers.
 | 
						|
             'sender': user_profile.email,
 | 
						|
             'user_id': user_profile.id,
 | 
						|
             'message_id': message.id} # type: Dict[str, Any]
 | 
						|
    edit_history_event = {
 | 
						|
        'user_id': user_profile.id,
 | 
						|
    } # type: Dict[str, Any]
 | 
						|
    changed_messages = [message]
 | 
						|
 | 
						|
    # Set first_rendered_content to be the oldest version of the
 | 
						|
    # rendered content recorded; which is the current version if the
 | 
						|
    # content hasn't been edited before.  Note that because one could
 | 
						|
    # have edited just the subject, not every edit history event
 | 
						|
    # contains a prev_rendered_content element.
 | 
						|
    first_rendered_content = message.rendered_content
 | 
						|
    if message.edit_history is not None:
 | 
						|
        edit_history = ujson.loads(message.edit_history)
 | 
						|
        for old_edit_history_event in edit_history:
 | 
						|
            if 'prev_rendered_content' in old_edit_history_event:
 | 
						|
                first_rendered_content = old_edit_history_event['prev_rendered_content']
 | 
						|
 | 
						|
    ums = UserMessage.objects.filter(message=message.id)
 | 
						|
 | 
						|
    if content is not None:
 | 
						|
        update_user_message_flags(message, ums)
 | 
						|
 | 
						|
        # We are turning off diff highlighting everywhere until ticket #1532 is addressed.
 | 
						|
        if False:
 | 
						|
            # Don't highlight message edit diffs on prod
 | 
						|
            rendered_content = highlight_html_differences(first_rendered_content, rendered_content)
 | 
						|
 | 
						|
        event['orig_content'] = message.content
 | 
						|
        event['orig_rendered_content'] = message.rendered_content
 | 
						|
        edit_history_event["prev_content"] = message.content
 | 
						|
        edit_history_event["prev_rendered_content"] = message.rendered_content
 | 
						|
        edit_history_event["prev_rendered_content_version"] = message.rendered_content_version
 | 
						|
        message.content = content
 | 
						|
        message.rendered_content = rendered_content
 | 
						|
        message.rendered_content_version = bugdown_version
 | 
						|
        event["content"] = content
 | 
						|
        event["rendered_content"] = rendered_content
 | 
						|
        event['prev_rendered_content_version'] = message.rendered_content_version
 | 
						|
 | 
						|
        prev_content = edit_history_event['prev_content']
 | 
						|
        if Message.content_has_attachment(prev_content) or Message.content_has_attachment(message.content):
 | 
						|
            check_attachment_reference_change(prev_content, message)
 | 
						|
 | 
						|
    if subject is not None:
 | 
						|
        orig_subject = message.topic_name()
 | 
						|
        subject = truncate_topic(subject)
 | 
						|
        event["orig_subject"] = orig_subject
 | 
						|
        event["propagate_mode"] = propagate_mode
 | 
						|
        message.subject = subject
 | 
						|
        event["stream_id"] = message.recipient.type_id
 | 
						|
        event["subject"] = subject
 | 
						|
        event['subject_links'] = bugdown.subject_links(message.sender.realm_id, subject)
 | 
						|
        edit_history_event["prev_subject"] = orig_subject
 | 
						|
 | 
						|
        if propagate_mode in ["change_later", "change_all"]:
 | 
						|
            propagate_query = Q(recipient = message.recipient, subject = orig_subject)
 | 
						|
            # We only change messages up to 2 days in the past, to avoid hammering our
 | 
						|
            # DB by changing an unbounded amount of messages
 | 
						|
            if propagate_mode == 'change_all':
 | 
						|
                before_bound = timezone_now() - datetime.timedelta(days=2)
 | 
						|
 | 
						|
                propagate_query = (propagate_query & ~Q(id = message.id) &
 | 
						|
                                   Q(pub_date__range=(before_bound, timezone_now())))
 | 
						|
            if propagate_mode == 'change_later':
 | 
						|
                propagate_query = propagate_query & Q(id__gt = message.id)
 | 
						|
 | 
						|
            messages = Message.objects.filter(propagate_query).select_related()
 | 
						|
 | 
						|
            # Evaluate the query before running the update
 | 
						|
            messages_list = list(messages)
 | 
						|
            messages.update(subject=subject)
 | 
						|
 | 
						|
            for m in messages_list:
 | 
						|
                # The cached ORM object is not changed by messages.update()
 | 
						|
                # and the remote cache update requires the new value
 | 
						|
                m.subject = subject
 | 
						|
 | 
						|
            changed_messages += messages_list
 | 
						|
 | 
						|
    message.last_edit_time = timezone_now()
 | 
						|
    event['edit_timestamp'] = datetime_to_timestamp(message.last_edit_time)
 | 
						|
    edit_history_event['timestamp'] = event['edit_timestamp']
 | 
						|
    if message.edit_history is not None:
 | 
						|
        edit_history.insert(0, edit_history_event)
 | 
						|
    else:
 | 
						|
        edit_history = [edit_history_event]
 | 
						|
    message.edit_history = ujson.dumps(edit_history)
 | 
						|
 | 
						|
    message.save(update_fields=["subject", "content", "rendered_content",
 | 
						|
                                "rendered_content_version", "last_edit_time",
 | 
						|
                                "edit_history"])
 | 
						|
 | 
						|
    event['message_ids'] = update_to_dict_cache(changed_messages)
 | 
						|
 | 
						|
    def user_info(um):
 | 
						|
        # type: (UserMessage) -> Dict[str, Any]
 | 
						|
        return {
 | 
						|
            'id': um.user_profile_id,
 | 
						|
            'flags': um.flags_list()
 | 
						|
        }
 | 
						|
    send_event(event, list(map(user_info, ums)))
 | 
						|
    return len(changed_messages)
 | 
						|
 | 
						|
def encode_email_address(stream):
 | 
						|
    # type: (Stream) -> Text
 | 
						|
    return encode_email_address_helper(stream.name, stream.email_token)
 | 
						|
 | 
						|
def encode_email_address_helper(name, email_token):
 | 
						|
    # type: (Text, Text) -> Text
 | 
						|
    # Some deployments may not use the email gateway
 | 
						|
    if settings.EMAIL_GATEWAY_PATTERN == '':
 | 
						|
        return ''
 | 
						|
 | 
						|
    # Given the fact that we have almost no restrictions on stream names and
 | 
						|
    # that what characters are allowed in e-mail addresses is complicated and
 | 
						|
    # dependent on context in the address, we opt for a very simple scheme:
 | 
						|
    #
 | 
						|
    # Only encode the stream name (leave the + and token alone). Encode
 | 
						|
    # everything that isn't alphanumeric plus _ as the percent-prefixed integer
 | 
						|
    # ordinal of that character, padded with zeroes to the maximum number of
 | 
						|
    # bytes of a UTF-8 encoded Unicode character.
 | 
						|
    encoded_name = re.sub("\W", lambda x: "%" + str(ord(x.group(0))).zfill(4), name)
 | 
						|
    encoded_token = "%s+%s" % (encoded_name, email_token)
 | 
						|
    return settings.EMAIL_GATEWAY_PATTERN % (encoded_token,)
 | 
						|
 | 
						|
def get_email_gateway_message_string_from_address(address):
 | 
						|
    # type: (Text) -> Optional[Text]
 | 
						|
    pattern_parts = [re.escape(part) for part in settings.EMAIL_GATEWAY_PATTERN.split('%s')]
 | 
						|
    if settings.EMAIL_GATEWAY_EXTRA_PATTERN_HACK:
 | 
						|
        # Accept mails delivered to any Zulip server
 | 
						|
        pattern_parts[-1] = settings.EMAIL_GATEWAY_EXTRA_PATTERN_HACK
 | 
						|
    match_email_re = re.compile("(.*?)".join(pattern_parts))
 | 
						|
    match = match_email_re.match(address)
 | 
						|
 | 
						|
    if not match:
 | 
						|
        return None
 | 
						|
 | 
						|
    msg_string = match.group(1)
 | 
						|
 | 
						|
    return msg_string
 | 
						|
 | 
						|
def decode_email_address(email):
 | 
						|
    # type: (Text) -> Tuple[Text, Text]
 | 
						|
    # Perform the reverse of encode_email_address. Returns a tuple of (streamname, email_token)
 | 
						|
    msg_string = get_email_gateway_message_string_from_address(email)
 | 
						|
 | 
						|
    if '.' in msg_string:
 | 
						|
        # Workaround for Google Groups and other programs that don't accept emails
 | 
						|
        # that have + signs in them (see Trac #2102)
 | 
						|
        encoded_stream_name, token = msg_string.split('.')
 | 
						|
    else:
 | 
						|
        encoded_stream_name, token = msg_string.split('+')
 | 
						|
    stream_name = re.sub("%\d{4}", lambda x: unichr(int(x.group(0)[1:])), encoded_stream_name)
 | 
						|
    return stream_name, token
 | 
						|
 | 
						|
# In general, it's better to avoid using .values() because it makes
 | 
						|
# the code pretty ugly, but in this case, it has significant
 | 
						|
# performance impact for loading / for users with large numbers of
 | 
						|
# subscriptions, so it's worth optimizing.
 | 
						|
def gather_subscriptions_helper(user_profile, include_subscribers=True):
 | 
						|
    # type: (UserProfile, bool) -> Tuple[List[Dict[str, Any]], List[Dict[str, Any]], List[Dict[str, Any]]]
 | 
						|
    sub_dicts = Subscription.objects.select_related("recipient").filter(
 | 
						|
        user_profile    = user_profile,
 | 
						|
        recipient__type = Recipient.STREAM).values(
 | 
						|
        "recipient__type_id", "in_home_view", "color", "desktop_notifications",
 | 
						|
        "audible_notifications", "active", "pin_to_top")
 | 
						|
 | 
						|
    stream_ids = set([sub["recipient__type_id"] for sub in sub_dicts])
 | 
						|
    all_streams = get_active_streams(user_profile.realm).select_related(
 | 
						|
        "realm").values("id", "name", "invite_only", "realm_id",
 | 
						|
                        "email_token", "description")
 | 
						|
 | 
						|
    stream_dicts = [stream for stream in all_streams if stream['id'] in stream_ids]
 | 
						|
    stream_hash = {}
 | 
						|
    for stream in stream_dicts:
 | 
						|
        stream_hash[stream["id"]] = stream
 | 
						|
 | 
						|
    all_streams_id = [stream["id"] for stream in all_streams]
 | 
						|
 | 
						|
    subscribed = []
 | 
						|
    unsubscribed = []
 | 
						|
    never_subscribed = []
 | 
						|
 | 
						|
    # Deactivated streams aren't in stream_hash.
 | 
						|
    streams = [stream_hash[sub["recipient__type_id"]] for sub in sub_dicts
 | 
						|
               if sub["recipient__type_id"] in stream_hash]
 | 
						|
    streams_subscribed_map = dict((sub["recipient__type_id"], sub["active"]) for sub in sub_dicts)
 | 
						|
 | 
						|
    # Add never subscribed streams to streams_subscribed_map
 | 
						|
    streams_subscribed_map.update({stream['id']: False for stream in all_streams if stream not in streams})
 | 
						|
 | 
						|
    if include_subscribers:
 | 
						|
        subscriber_map = bulk_get_subscriber_user_ids(all_streams, user_profile, streams_subscribed_map)
 | 
						|
    else:
 | 
						|
        # If we're not including subscribers, always return None,
 | 
						|
        # which the below code needs to check for anyway.
 | 
						|
        subscriber_map = defaultdict(lambda: None)
 | 
						|
 | 
						|
    sub_unsub_stream_ids = set()
 | 
						|
    for sub in sub_dicts:
 | 
						|
        sub_unsub_stream_ids.add(sub["recipient__type_id"])
 | 
						|
        stream = stream_hash.get(sub["recipient__type_id"])
 | 
						|
        if not stream:
 | 
						|
            # This stream has been deactivated, don't include it.
 | 
						|
            continue
 | 
						|
 | 
						|
        subscribers = subscriber_map[stream["id"]]  # type: Optional[List[int]]
 | 
						|
 | 
						|
        # Important: don't show the subscribers if the stream is invite only
 | 
						|
        # and this user isn't on it anymore.
 | 
						|
        if stream["invite_only"] and not sub["active"]:
 | 
						|
            subscribers = None
 | 
						|
 | 
						|
        stream_dict = {'name': stream["name"],
 | 
						|
                       'in_home_view': sub["in_home_view"],
 | 
						|
                       'invite_only': stream["invite_only"],
 | 
						|
                       'color': sub["color"],
 | 
						|
                       'desktop_notifications': sub["desktop_notifications"],
 | 
						|
                       'audible_notifications': sub["audible_notifications"],
 | 
						|
                       'pin_to_top': sub["pin_to_top"],
 | 
						|
                       'stream_id': stream["id"],
 | 
						|
                       'description': stream["description"],
 | 
						|
                       'email_address': encode_email_address_helper(stream["name"], stream["email_token"])}
 | 
						|
        if subscribers is not None:
 | 
						|
            stream_dict['subscribers'] = subscribers
 | 
						|
        if sub["active"]:
 | 
						|
            subscribed.append(stream_dict)
 | 
						|
        else:
 | 
						|
            unsubscribed.append(stream_dict)
 | 
						|
 | 
						|
    all_streams_id_set = set(all_streams_id)
 | 
						|
    # Listing public streams are disabled for Zephyr mirroring realms.
 | 
						|
    if user_profile.realm.is_zephyr_mirror_realm:
 | 
						|
        never_subscribed_stream_ids = set() # type: Set[int]
 | 
						|
    else:
 | 
						|
        never_subscribed_stream_ids = all_streams_id_set - sub_unsub_stream_ids
 | 
						|
    never_subscribed_streams = [ns_stream_dict for ns_stream_dict in all_streams
 | 
						|
                                if ns_stream_dict['id'] in never_subscribed_stream_ids]
 | 
						|
 | 
						|
    for stream in never_subscribed_streams:
 | 
						|
        if not stream['invite_only']:
 | 
						|
            stream_dict = {'name': stream['name'],
 | 
						|
                           'invite_only': stream['invite_only'],
 | 
						|
                           'stream_id': stream['id'],
 | 
						|
                           'description': stream['description']}
 | 
						|
            subscribers = subscriber_map[stream["id"]]
 | 
						|
            if subscribers is not None:
 | 
						|
                stream_dict['subscribers'] = subscribers
 | 
						|
            never_subscribed.append(stream_dict)
 | 
						|
 | 
						|
    return (sorted(subscribed, key=lambda x: x['name']),
 | 
						|
            sorted(unsubscribed, key=lambda x: x['name']),
 | 
						|
            sorted(never_subscribed, key=lambda x: x['name']))
 | 
						|
 | 
						|
def gather_subscriptions(user_profile):
 | 
						|
    # type: (UserProfile) -> Tuple[List[Dict[str, Any]], List[Dict[str, Any]]]
 | 
						|
    subscribed, unsubscribed, never_subscribed = gather_subscriptions_helper(user_profile)
 | 
						|
    user_ids = set()
 | 
						|
    for subs in [subscribed, unsubscribed, never_subscribed]:
 | 
						|
        for sub in subs:
 | 
						|
            if 'subscribers' in sub:
 | 
						|
                for subscriber in sub['subscribers']:
 | 
						|
                    user_ids.add(subscriber)
 | 
						|
    email_dict = get_emails_from_user_ids(list(user_ids))
 | 
						|
 | 
						|
    for subs in [subscribed, unsubscribed]:
 | 
						|
        for sub in subs:
 | 
						|
            if 'subscribers' in sub:
 | 
						|
                sub['subscribers'] = [email_dict[user_id] for user_id in sub['subscribers']]
 | 
						|
 | 
						|
    return (subscribed, unsubscribed)
 | 
						|
 | 
						|
def get_status_dict(requesting_user_profile):
 | 
						|
    # type: (UserProfile) -> Dict[Text, Dict[Text, Dict[str, Any]]]
 | 
						|
    if requesting_user_profile.realm.presence_disabled:
 | 
						|
        # Return an empty dict if presence is disabled in this realm
 | 
						|
        return defaultdict(dict)
 | 
						|
 | 
						|
    return UserPresence.get_status_dict_by_realm(requesting_user_profile.realm_id)
 | 
						|
 | 
						|
def get_cross_realm_dicts():
 | 
						|
    # type: () -> List[Dict[str, Any]]
 | 
						|
    users = [get_user_profile_by_email(email) for email in get_cross_realm_emails()]
 | 
						|
    return [{'email': user.email,
 | 
						|
             'user_id': user.id,
 | 
						|
             'is_admin': user.is_realm_admin,
 | 
						|
             'is_bot': user.is_bot,
 | 
						|
             'full_name': user.full_name}
 | 
						|
            for user in users]
 | 
						|
 | 
						|
def do_send_confirmation_email(invitee, referrer, body):
 | 
						|
    # type: (PreregistrationUser, UserProfile, Optional[str]) -> None
 | 
						|
    """
 | 
						|
    Send the confirmation/welcome e-mail to an invited user.
 | 
						|
 | 
						|
    `invitee` is a PreregistrationUser.
 | 
						|
    `referrer` is a UserProfile.
 | 
						|
    """
 | 
						|
    context = {'referrer': referrer,
 | 
						|
               'support_email': settings.ZULIP_ADMINISTRATOR,
 | 
						|
               'verbose_support_offers': settings.VERBOSE_SUPPORT_OFFERS}
 | 
						|
 | 
						|
    if referrer.realm.is_zephyr_mirror_realm:
 | 
						|
        template_prefix = 'confirmation/mituser_invite_email'
 | 
						|
    else:
 | 
						|
        template_prefix = 'confirmation/invite_email'
 | 
						|
 | 
						|
    Confirmation.objects.send_confirmation(
 | 
						|
        invitee, template_prefix, invitee.email, additional_context=context,
 | 
						|
        host=referrer.realm.host, custom_body=body)
 | 
						|
 | 
						|
def is_inactive(email):
 | 
						|
    # type: (Text) -> None
 | 
						|
    try:
 | 
						|
        if get_user_profile_by_email(email).is_active:
 | 
						|
            raise ValidationError(u'%s is already active' % (email,))
 | 
						|
    except UserProfile.DoesNotExist:
 | 
						|
        pass
 | 
						|
 | 
						|
def user_email_is_unique(email):
 | 
						|
    # type: (Text) -> None
 | 
						|
    try:
 | 
						|
        get_user_profile_by_email(email)
 | 
						|
        raise ValidationError(u'%s is already registered' % (email,))
 | 
						|
    except UserProfile.DoesNotExist:
 | 
						|
        pass
 | 
						|
 | 
						|
def validate_email(user_profile, email):
 | 
						|
    # type: (UserProfile, Text) -> Tuple[Optional[str], Optional[str]]
 | 
						|
    try:
 | 
						|
        validators.validate_email(email)
 | 
						|
    except ValidationError:
 | 
						|
        return _("Invalid address."), None
 | 
						|
 | 
						|
    if not email_allowed_for_realm(email, user_profile.realm):
 | 
						|
        return _("Outside your domain."), None
 | 
						|
 | 
						|
    try:
 | 
						|
        existing_user_profile = get_user_profile_by_email(email)
 | 
						|
    except UserProfile.DoesNotExist:
 | 
						|
        existing_user_profile = None
 | 
						|
 | 
						|
    try:
 | 
						|
        if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
 | 
						|
            # Mirror dummy users to be activated must be inactive
 | 
						|
            is_inactive(email)
 | 
						|
        else:
 | 
						|
            # Other users should not already exist at all.
 | 
						|
            user_email_is_unique(email)
 | 
						|
    except ValidationError:
 | 
						|
        return None, _("Already has an account.")
 | 
						|
 | 
						|
    return None, None
 | 
						|
 | 
						|
def do_invite_users(user_profile, invitee_emails, streams, body=None):
 | 
						|
    # type: (UserProfile, SizedTextIterable, Iterable[Stream], Optional[str]) -> Tuple[Optional[str], Dict[str, Union[List[Tuple[Text, str]], bool]]]
 | 
						|
    validated_emails = [] # type: List[Text]
 | 
						|
    errors = [] # type: List[Tuple[Text, str]]
 | 
						|
    skipped = [] # type: List[Tuple[Text, str]]
 | 
						|
 | 
						|
    ret_error = None # type: Optional[str]
 | 
						|
    ret_error_data = {} # type: Dict[str, Union[List[Tuple[Text, str]], bool]]
 | 
						|
 | 
						|
    for email in invitee_emails:
 | 
						|
        if email == '':
 | 
						|
            continue
 | 
						|
 | 
						|
        email_error, email_skipped = validate_email(user_profile, email)
 | 
						|
 | 
						|
        if not (email_error or email_skipped):
 | 
						|
            validated_emails.append(email)
 | 
						|
        elif email_error:
 | 
						|
            errors.append((email, email_error))
 | 
						|
        elif email_skipped:
 | 
						|
            skipped.append((email, email_skipped))
 | 
						|
 | 
						|
    if errors:
 | 
						|
        ret_error = _("Some emails did not validate, so we didn't send any invitations.")
 | 
						|
        ret_error_data = {'errors': errors + skipped, 'sent_invitations': False}
 | 
						|
        return ret_error, ret_error_data
 | 
						|
 | 
						|
    if skipped and len(skipped) == len(invitee_emails):
 | 
						|
        # All e-mails were skipped, so we didn't actually invite anyone.
 | 
						|
        ret_error = _("We weren't able to invite anyone.")
 | 
						|
        ret_error_data = {'errors': skipped, 'sent_invitations': False}
 | 
						|
        return ret_error, ret_error_data
 | 
						|
 | 
						|
    # Now that we are past all the possible errors, we actually create
 | 
						|
    # the PreregistrationUser objects and trigger the email invitations.
 | 
						|
    for email in validated_emails:
 | 
						|
        # The logged in user is the referrer.
 | 
						|
        prereg_user = PreregistrationUser(email=email, referred_by=user_profile)
 | 
						|
 | 
						|
        # We save twice because you cannot associate a ManyToMany field
 | 
						|
        # on an unsaved object.
 | 
						|
        prereg_user.save()
 | 
						|
        prereg_user.streams = streams
 | 
						|
        prereg_user.save()
 | 
						|
 | 
						|
        event = {"email": prereg_user.email, "referrer_email": user_profile.email, "email_body": body}
 | 
						|
        queue_json_publish("invites", event,
 | 
						|
                           lambda event: do_send_confirmation_email(prereg_user, user_profile, body))
 | 
						|
 | 
						|
    if skipped:
 | 
						|
        ret_error = _("Some of those addresses are already using Zulip, "
 | 
						|
                      "so we didn't send them an invitation. We did send "
 | 
						|
                      "invitations to everyone else!")
 | 
						|
        ret_error_data = {'errors': skipped, 'sent_invitations': True}
 | 
						|
 | 
						|
    return ret_error, ret_error_data
 | 
						|
 | 
						|
def send_referral_event(user_profile):
 | 
						|
    # type: (UserProfile) -> None
 | 
						|
    event = dict(type="referral",
 | 
						|
                 referrals=dict(granted=user_profile.invites_granted,
 | 
						|
                                used=user_profile.invites_used))
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_refer_friend(user_profile, email):
 | 
						|
    # type: (UserProfile, Text) -> None
 | 
						|
    content = ('Referrer: "%s" <%s>\n'
 | 
						|
               'Realm: %s\n'
 | 
						|
               'Referred: %s') % (user_profile.full_name, user_profile.email,
 | 
						|
                                  user_profile.realm.string_id, email)
 | 
						|
    subject = "Zulip referral: %s" % (email,)
 | 
						|
    from_email = '"%s" <%s>' % (user_profile.full_name, 'referrals@zulip.com')
 | 
						|
    to_email = '"Zulip Referrals" <zulip+referrals@zulip.com>'
 | 
						|
    headers = {'Reply-To': '"%s" <%s>' % (user_profile.full_name, user_profile.email,)}
 | 
						|
    msg = EmailMessage(subject, content, from_email, [to_email], headers=headers)
 | 
						|
    msg.send()
 | 
						|
 | 
						|
    referral = Referral(user_profile=user_profile, email=email)
 | 
						|
    referral.save()
 | 
						|
    user_profile.invites_used += 1
 | 
						|
    user_profile.save(update_fields=['invites_used'])
 | 
						|
 | 
						|
    send_referral_event(user_profile)
 | 
						|
 | 
						|
def notify_realm_emoji(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    event = dict(type="realm_emoji", op="update",
 | 
						|
                 realm_emoji=realm.get_emoji())
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
def check_add_realm_emoji(realm, name, file_name, author=None):
 | 
						|
    # type: (Realm, Text, Text, Optional[UserProfile]) -> None
 | 
						|
    emoji = RealmEmoji(realm=realm, name=name, file_name=file_name, author=author)
 | 
						|
    emoji.full_clean()
 | 
						|
    emoji.save()
 | 
						|
    notify_realm_emoji(realm)
 | 
						|
 | 
						|
def do_remove_realm_emoji(realm, name):
 | 
						|
    # type: (Realm, Text) -> None
 | 
						|
    RealmEmoji.objects.get(realm=realm, name=name).delete()
 | 
						|
    notify_realm_emoji(realm)
 | 
						|
 | 
						|
def notify_alert_words(user_profile, words):
 | 
						|
    # type: (UserProfile, Iterable[Text]) -> None
 | 
						|
    event = dict(type="alert_words", alert_words=words)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_add_alert_words(user_profile, alert_words):
 | 
						|
    # type: (UserProfile, Iterable[Text]) -> None
 | 
						|
    words = add_user_alert_words(user_profile, alert_words)
 | 
						|
    notify_alert_words(user_profile, words)
 | 
						|
 | 
						|
def do_remove_alert_words(user_profile, alert_words):
 | 
						|
    # type: (UserProfile, Iterable[Text]) -> None
 | 
						|
    words = remove_user_alert_words(user_profile, alert_words)
 | 
						|
    notify_alert_words(user_profile, words)
 | 
						|
 | 
						|
def do_set_alert_words(user_profile, alert_words):
 | 
						|
    # type: (UserProfile, List[Text]) -> None
 | 
						|
    set_user_alert_words(user_profile, alert_words)
 | 
						|
    notify_alert_words(user_profile, alert_words)
 | 
						|
 | 
						|
def do_set_muted_topics(user_profile, muted_topics):
 | 
						|
    # type: (UserProfile, Union[List[List[Text]], List[Tuple[Text, Text]]]) -> None
 | 
						|
    user_profile.muted_topics = ujson.dumps(muted_topics)
 | 
						|
    user_profile.save(update_fields=['muted_topics'])
 | 
						|
    event = dict(type="muted_topics", muted_topics=muted_topics)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_update_muted_topic(user_profile, stream, topic, op):
 | 
						|
    # type: (UserProfile, str, str, str) -> None
 | 
						|
    muted_topics = ujson.loads(user_profile.muted_topics)
 | 
						|
    if op == 'add':
 | 
						|
        muted_topics.append([stream, topic])
 | 
						|
    elif op == 'remove':
 | 
						|
        muted_topics.remove([stream, topic])
 | 
						|
    user_profile.muted_topics = ujson.dumps(muted_topics)
 | 
						|
    user_profile.save(update_fields=['muted_topics'])
 | 
						|
    event = dict(type="muted_topics", muted_topics=muted_topics)
 | 
						|
    send_event(event, [user_profile.id])
 | 
						|
 | 
						|
def do_mark_hotspot_as_read(user, hotspot):
 | 
						|
    # type: (UserProfile, str) -> None
 | 
						|
    UserHotspot.objects.get_or_create(user=user, hotspot=hotspot)
 | 
						|
    event = dict(type="hotspots", hotspots=get_next_hotspots(user))
 | 
						|
    send_event(event, [user.id])
 | 
						|
 | 
						|
def notify_realm_filters(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    realm_filters = realm_filters_for_realm(realm.id)
 | 
						|
    event = dict(type="realm_filters", realm_filters=realm_filters)
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
# NOTE: Regexes must be simple enough that they can be easily translated to JavaScript
 | 
						|
# RegExp syntax. In addition to JS-compatible syntax, the following features are available:
 | 
						|
#   * Named groups will be converted to numbered groups automatically
 | 
						|
#   * Inline-regex flags will be stripped, and where possible translated to RegExp-wide flags
 | 
						|
def do_add_realm_filter(realm, pattern, url_format_string):
 | 
						|
    # type: (Realm, Text, Text) -> int
 | 
						|
    pattern = pattern.strip()
 | 
						|
    url_format_string = url_format_string.strip()
 | 
						|
    realm_filter = RealmFilter(
 | 
						|
        realm=realm, pattern=pattern,
 | 
						|
        url_format_string=url_format_string)
 | 
						|
    realm_filter.full_clean()
 | 
						|
    realm_filter.save()
 | 
						|
    notify_realm_filters(realm)
 | 
						|
 | 
						|
    return realm_filter.id
 | 
						|
 | 
						|
def do_remove_realm_filter(realm, pattern=None, id=None):
 | 
						|
    # type: (Realm, Optional[Text], Optional[int]) -> None
 | 
						|
    if pattern is not None:
 | 
						|
        RealmFilter.objects.get(realm=realm, pattern=pattern).delete()
 | 
						|
    else:
 | 
						|
        RealmFilter.objects.get(realm=realm, pk=id).delete()
 | 
						|
    notify_realm_filters(realm)
 | 
						|
 | 
						|
def get_emails_from_user_ids(user_ids):
 | 
						|
    # type: (Sequence[int]) -> Dict[int, Text]
 | 
						|
    # We may eventually use memcached to speed this up, but the DB is fast.
 | 
						|
    return UserProfile.emails_from_ids(user_ids)
 | 
						|
 | 
						|
def do_add_realm_domain(realm, domain, allow_subdomains):
 | 
						|
    # type: (Realm, Text, bool) -> (RealmDomain)
 | 
						|
    realm_domain = RealmDomain.objects.create(realm=realm, domain=domain,
 | 
						|
                                              allow_subdomains=allow_subdomains)
 | 
						|
    event = dict(type="realm_domains", op="add",
 | 
						|
                 realm_domain=dict(domain=realm_domain.domain,
 | 
						|
                                   allow_subdomains=realm_domain.allow_subdomains))
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
    return realm_domain
 | 
						|
 | 
						|
def do_change_realm_domain(realm_domain, allow_subdomains):
 | 
						|
    # type: (RealmDomain, bool) -> None
 | 
						|
    realm_domain.allow_subdomains = allow_subdomains
 | 
						|
    realm_domain.save(update_fields=['allow_subdomains'])
 | 
						|
    event = dict(type="realm_domains", op="change",
 | 
						|
                 realm_domain=dict(domain=realm_domain.domain,
 | 
						|
                                   allow_subdomains=realm_domain.allow_subdomains))
 | 
						|
    send_event(event, active_user_ids(realm_domain.realm))
 | 
						|
 | 
						|
def do_remove_realm_domain(realm_domain):
 | 
						|
    # type: (RealmDomain) -> None
 | 
						|
    realm = realm_domain.realm
 | 
						|
    domain = realm_domain.domain
 | 
						|
    realm_domain.delete()
 | 
						|
    if RealmDomain.objects.filter(realm=realm).count() == 0 and realm.restricted_to_domain:
 | 
						|
        # If this was the last realm domain, we mark the realm as no
 | 
						|
        # longer restricted to domain, because the feature doesn't do
 | 
						|
        # anything if there are no domains, and this is probably less
 | 
						|
        # confusing than the alternative.
 | 
						|
        do_set_realm_property(realm, 'restricted_to_domain', False)
 | 
						|
    event = dict(type="realm_domains", op="remove", domain=domain)
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
def get_occupied_streams(realm):
 | 
						|
    # type: (Realm) -> QuerySet
 | 
						|
    # TODO: Make a generic stub for QuerySet
 | 
						|
    """ Get streams with subscribers """
 | 
						|
    subs_filter = Subscription.objects.filter(active=True, user_profile__realm=realm,
 | 
						|
                                              user_profile__is_active=True).values('recipient_id')
 | 
						|
    stream_ids = Recipient.objects.filter(
 | 
						|
        type=Recipient.STREAM, id__in=subs_filter).values('type_id')
 | 
						|
 | 
						|
    return Stream.objects.filter(id__in=stream_ids, realm=realm, deactivated=False)
 | 
						|
 | 
						|
def do_get_streams(user_profile, include_public=True, include_subscribed=True,
 | 
						|
                   include_all_active=False, include_default=False):
 | 
						|
    # type: (UserProfile, bool, bool, bool, bool) -> List[Dict[str, Any]]
 | 
						|
    if include_all_active and not user_profile.is_api_super_user:
 | 
						|
        raise JsonableError(_("User not authorized for this query"))
 | 
						|
 | 
						|
    # Listing public streams are disabled for Zephyr mirroring realms.
 | 
						|
    include_public = include_public and not user_profile.realm.is_zephyr_mirror_realm
 | 
						|
    # Start out with all streams in the realm with subscribers
 | 
						|
    query = get_occupied_streams(user_profile.realm)
 | 
						|
 | 
						|
    if not include_all_active:
 | 
						|
        user_subs = Subscription.objects.select_related("recipient").filter(
 | 
						|
            active=True, user_profile=user_profile,
 | 
						|
            recipient__type=Recipient.STREAM)
 | 
						|
 | 
						|
        if include_subscribed:
 | 
						|
            recipient_check = Q(id__in=[sub.recipient.type_id for sub in user_subs])
 | 
						|
        if include_public:
 | 
						|
            invite_only_check = Q(invite_only=False)
 | 
						|
 | 
						|
        if include_subscribed and include_public:
 | 
						|
            query = query.filter(recipient_check | invite_only_check)
 | 
						|
        elif include_public:
 | 
						|
            query = query.filter(invite_only_check)
 | 
						|
        elif include_subscribed:
 | 
						|
            query = query.filter(recipient_check)
 | 
						|
        else:
 | 
						|
            # We're including nothing, so don't bother hitting the DB.
 | 
						|
            query = []
 | 
						|
 | 
						|
    streams = [(row.to_dict()) for row in query]
 | 
						|
    streams.sort(key=lambda elt: elt["name"])
 | 
						|
    if include_default:
 | 
						|
        is_default = {}
 | 
						|
        default_streams = get_default_streams_for_realm(user_profile.realm)
 | 
						|
        for default_stream in default_streams:
 | 
						|
            is_default[default_stream.id] = True
 | 
						|
        for stream in streams:
 | 
						|
            stream['is_default'] = is_default.get(stream["stream_id"], False)
 | 
						|
 | 
						|
    return streams
 | 
						|
 | 
						|
def do_claim_attachments(message):
 | 
						|
    # type: (Message) -> None
 | 
						|
    attachment_url_list = attachment_url_re.findall(message.content)
 | 
						|
 | 
						|
    for url in attachment_url_list:
 | 
						|
        path_id = attachment_url_to_path_id(url)
 | 
						|
        user_profile = message.sender
 | 
						|
        is_message_realm_public = False
 | 
						|
        if message.recipient.type == Recipient.STREAM:
 | 
						|
            is_message_realm_public = Stream.objects.get(id=message.recipient.type_id).is_public()
 | 
						|
 | 
						|
        if not validate_attachment_request(user_profile, path_id):
 | 
						|
            # Technically, there are 2 cases here:
 | 
						|
            # * The user put something in their message that has the form
 | 
						|
            # of an upload, but doesn't correspond to a file that doesn't
 | 
						|
            # exist.  validate_attachment_request will return None.
 | 
						|
            # * The user is trying to send a link to a file they don't have permission to
 | 
						|
            # access themselves.  validate_attachment_request will return False.
 | 
						|
            #
 | 
						|
            # Either case is unusual and suggests a UI bug that got
 | 
						|
            # the user in this situation, so we log in these cases.
 | 
						|
            logging.warning("User %s tried to share upload %s in message %s, but lacks permission" % (
 | 
						|
                user_profile.id, path_id, message.id))
 | 
						|
            continue
 | 
						|
 | 
						|
        claim_attachment(user_profile, path_id, message, is_message_realm_public)
 | 
						|
 | 
						|
def do_delete_old_unclaimed_attachments(weeks_ago):
 | 
						|
    # type: (int) -> None
 | 
						|
    old_unclaimed_attachments = get_old_unclaimed_attachments(weeks_ago)
 | 
						|
 | 
						|
    for attachment in old_unclaimed_attachments:
 | 
						|
        delete_message_image(attachment.path_id)
 | 
						|
        attachment.delete()
 | 
						|
 | 
						|
def check_attachment_reference_change(prev_content, message):
 | 
						|
    # type: (Text, Message) -> None
 | 
						|
    new_content = message.content
 | 
						|
    prev_attachments = set(attachment_url_re.findall(prev_content))
 | 
						|
    new_attachments = set(attachment_url_re.findall(new_content))
 | 
						|
 | 
						|
    to_remove = list(prev_attachments - new_attachments)
 | 
						|
    path_ids = []
 | 
						|
    for url in to_remove:
 | 
						|
        path_id = attachment_url_to_path_id(url)
 | 
						|
        path_ids.append(path_id)
 | 
						|
 | 
						|
    attachments_to_update = Attachment.objects.filter(path_id__in=path_ids).select_for_update()
 | 
						|
    message.attachment_set.remove(*attachments_to_update)
 | 
						|
 | 
						|
    to_add = list(new_attachments - prev_attachments)
 | 
						|
    if len(to_add) > 0:
 | 
						|
        do_claim_attachments(message)
 | 
						|
 | 
						|
def notify_realm_custom_profile_fields(realm):
 | 
						|
    # type: (Realm) -> None
 | 
						|
    fields = custom_profile_fields_for_realm(realm.id)
 | 
						|
    event = dict(type="custom_profile_fields",
 | 
						|
                 fields=[f.as_dict() for f in fields])
 | 
						|
    send_event(event, active_user_ids(realm))
 | 
						|
 | 
						|
def try_add_realm_custom_profile_field(realm, name, field_type):
 | 
						|
    # type: (Realm, Text, int) -> CustomProfileField
 | 
						|
    field = CustomProfileField(realm=realm, name=name, field_type=field_type)
 | 
						|
    field.save()
 | 
						|
    notify_realm_custom_profile_fields(realm)
 | 
						|
    return field
 | 
						|
 | 
						|
def do_remove_realm_custom_profile_field(realm, field):
 | 
						|
    # type: (Realm, CustomProfileField) -> None
 | 
						|
    """
 | 
						|
    Deleting a field will also delete the user profile data
 | 
						|
    associated with it in CustomProfileFieldValue model.
 | 
						|
    """
 | 
						|
    field.delete()
 | 
						|
    notify_realm_custom_profile_fields(realm)
 | 
						|
 | 
						|
def try_update_realm_custom_profile_field(realm, field, name):
 | 
						|
    # type: (Realm, CustomProfileField, Text) -> None
 | 
						|
    field.name = name
 | 
						|
    field.save(update_fields=['name'])
 | 
						|
    notify_realm_custom_profile_fields(realm)
 | 
						|
 | 
						|
def do_update_user_custom_profile_data(user_profile, data):
 | 
						|
    # type: (UserProfile, List[Dict[str, Union[int, Text]]]) -> None
 | 
						|
    with transaction.atomic():
 | 
						|
        update_or_create = CustomProfileFieldValue.objects.update_or_create
 | 
						|
        for field in data:
 | 
						|
            update_or_create(user_profile=user_profile,
 | 
						|
                             field_id=field['id'],
 | 
						|
                             defaults={'value': field['value']})
 |