mirror of https://github.com/zulip/zulip.git
678 lines
27 KiB
Python
678 lines
27 KiB
Python
from django.conf import settings
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from django.contrib.sessions.models import Session
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from zephyr.lib.context_managers import lockfile
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from zephyr.models import Realm, Stream, UserProfile, UserActivity, \
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Subscription, Recipient, Message, UserMessage, valid_stream_name, \
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DefaultStream, StreamColor, UserPresence, MAX_SUBJECT_LENGTH, \
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MAX_MESSAGE_LENGTH, get_client, get_stream, get_recipient, get_huddle, \
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get_user_profile_by_id
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from django.db import transaction, IntegrityError
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from django.db.models import F
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from django.core.exceptions import ValidationError
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from zephyr.lib.initial_password import initial_password
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from zephyr.lib.timestamp import timestamp_to_datetime, datetime_to_timestamp
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from zephyr.lib.cache_helpers import cache_save_message
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from zephyr.lib.queue import queue_json_publish
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from django.utils import timezone
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from zephyr.lib.create_user import create_user
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from zephyr.lib.bulk_create import batch_bulk_create
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from zephyr.lib import bugdown
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from zephyr.lib.cache import cache_with_key, user_profile_by_id_cache_key, \
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user_profile_by_email_cache_key
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from zephyr.decorator import get_user_profile_by_email, json_to_list
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from zephyr import tornado_callbacks
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import subprocess
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import simplejson
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import time
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import traceback
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import re
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import datetime
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import os
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import platform
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import logging
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from os import path
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# Store an event in the log for re-importing messages
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def log_event(event):
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if "timestamp" not in event:
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event["timestamp"] = time.time()
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if not path.exists(settings.EVENT_LOG_DIR):
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os.mkdir(settings.EVENT_LOG_DIR)
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template = path.join(settings.EVENT_LOG_DIR,
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'%s.' + platform.node()
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+ datetime.datetime.now().strftime('.%Y-%m-%d'))
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with lockfile(template % ('lock',)):
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with open(template % ('events',), 'a') as log:
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log.write(simplejson.dumps(event) + '\n')
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def do_create_user(email, password, realm, full_name, short_name,
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active=True):
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log_event({'type': 'user_created',
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'timestamp': time.time(),
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'full_name': full_name,
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'short_name': short_name,
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'user': email,
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'domain': realm.domain})
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return create_user(email, password, realm, full_name, short_name, active)
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def user_sessions(user):
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return [s for s in Session.objects.all() if s.get_decoded().get('_auth_user_id') == user.id]
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def do_deactivate(user_profile):
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user_profile.user.set_unusable_password()
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user_profile.user.is_active = False
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user_profile.user.save()
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for session in user_sessions(user_profile.user):
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session.delete()
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log_event({'type': 'user_deactivated',
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'timestamp': time.time(),
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'user': user_profile.user.email,
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'domain': user_profile.realm.domain})
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def do_change_user_email(user, new_email):
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old_email = user.email
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user.email = new_email
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user.save()
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log_event({'type': 'user_email_changed',
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'old_email': old_email,
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'new_email': new_email})
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def compute_mit_user_fullname(email):
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try:
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# Input is either e.g. starnine@mit.edu or user|CROSSREALM.INVALID@mit.edu
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match_user = re.match(r'^([a-zA-Z0-9_.-]+)(\|.+)?@mit\.edu$', email.lower())
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if match_user and match_user.group(2) is None:
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dns_query = "%s.passwd.ns.athena.mit.edu" % (match_user.group(1),)
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proc = subprocess.Popen(['host', '-t', 'TXT', dns_query],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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out, _err_unused = proc.communicate()
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if proc.returncode == 0:
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# Parse e.g. 'starnine:*:84233:101:Athena Consulting Exchange User,,,:/mit/starnine:/bin/bash'
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# for the 4th passwd entry field, aka the person's name.
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hesiod_name = out.split(':')[4].split(',')[0].strip()
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if hesiod_name == "":
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return email
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return hesiod_name
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elif match_user:
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return match_user.group(1).lower() + "@" + match_user.group(2).upper()[1:]
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except:
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print ("Error getting fullname for %s:" % (email,))
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traceback.print_exc()
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return email.lower()
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@cache_with_key(lambda realm, email: user_profile_by_email_cache_key(email))
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@transaction.commit_on_success
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def create_mit_user_if_needed(realm, email):
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try:
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return UserProfile.objects.get(user__email__iexact=email)
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except UserProfile.DoesNotExist:
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try:
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# Forge a user for this person
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return create_user(email, initial_password(email), realm,
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compute_mit_user_fullname(email), email.split("@")[0],
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active=False)
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except IntegrityError:
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# Unless we raced with another thread doing the same
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# thing, in which case we should get the user they made
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transaction.commit()
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return UserProfile.objects.get(user__email__iexact=email)
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def log_message(message):
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if not message.sending_client.name.startswith("test:"):
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log_event(message.to_log_dict())
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def do_send_message(message, rendered_content=None, no_log=False,
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stream=None):
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# Log the message to our message log for populate_db to refill
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if not no_log:
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log_message(message)
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if message.recipient.type == Recipient.PERSONAL:
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recipients = list(set([get_user_profile_by_id(message.recipient.type_id),
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get_user_profile_by_id(message.sender_id)]))
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# For personals, you send out either 1 or 2 copies of the message, for
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# personals to yourself or to someone else, respectively.
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assert((len(recipients) == 1) or (len(recipients) == 2))
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elif (message.recipient.type == Recipient.STREAM or
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message.recipient.type == Recipient.HUDDLE):
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recipients = [s.user_profile for
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s in Subscription.objects.select_related(
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"user_profile", "user_profile__user").filter(recipient=message.recipient, active=True)]
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else:
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raise ValueError('Bad recipient type')
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# Save the message receipts in the database
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with transaction.commit_on_success():
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message.save()
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ums_to_create = [UserMessage(user_profile=user_profile, message=message)
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for user_profile in recipients
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if user_profile.user.is_active]
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for um in ums_to_create:
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sent_by_human = message.sending_client.name.lower() in \
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['website', 'iphone', 'android']
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if um.user_profile == message.sender and sent_by_human:
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um.flags |= UserMessage.flags.read
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batch_bulk_create(UserMessage, ums_to_create)
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cache_save_message(message)
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# We can only publish messages to longpolling clients if the Tornado server is running.
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if settings.TORNADO_SERVER:
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# Render Markdown etc. here and store (automatically) in
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# memcached, so that the single-threaded Tornado server
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# doesn't have to.
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message.to_dict(apply_markdown=True, rendered_content=rendered_content)
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message.to_dict(apply_markdown=False)
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data = dict(
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type = 'new_message',
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message = message.id,
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users = [user.id for user in recipients])
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if message.recipient.type == Recipient.STREAM:
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# Note: This is where authorization for single-stream
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# get_updates happens! We only attach stream data to the
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# notify new_message request if it's a public stream,
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# ensuring that in the tornado server, non-public stream
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# messages are only associated to their subscribed users.
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if stream is None:
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stream = Stream.objects.select_related("realm").get(id=message.recipient.type_id)
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if stream.is_public():
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data['realm_id'] = stream.realm.id
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data['stream_name'] = stream.name
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tornado_callbacks.send_notification(data)
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def create_stream_if_needed(realm, stream_name, invite_only=False):
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(stream, created) = Stream.objects.get_or_create(
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realm=realm, name__iexact=stream_name,
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defaults={'name': stream_name, 'invite_only': invite_only})
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if created:
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Recipient.objects.create(type_id=stream.id, type=Recipient.STREAM)
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return stream, created
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def recipient_for_emails(emails, not_forged_zephyr_mirror, user_profile, sender):
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recipient_profile_ids = set()
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for email in emails:
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try:
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recipient_profile_ids.add(get_user_profile_by_email(email).id)
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except UserProfile.DoesNotExist:
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raise ValidationError("Invalid email '%s'" % (email,))
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if not_forged_zephyr_mirror and user_profile.id not in recipient_profile_ids:
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raise ValidationError("User not authorized for this query")
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# If the private message is just between the sender and
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# another person, force it to be a personal internally
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if (len(recipient_profile_ids) == 2
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and sender.id in recipient_profile_ids):
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recipient_profile_ids.remove(sender.id)
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if len(recipient_profile_ids) > 1:
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# Make sure the sender is included in huddle messages
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recipient_profile_ids.add(sender.id)
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huddle = get_huddle(list(recipient_profile_ids))
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return get_recipient(Recipient.HUDDLE, huddle.id)
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else:
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return get_recipient(Recipient.PERSONAL, list(recipient_profile_ids)[0])
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def already_sent_mirrored_message(message):
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if message.recipient.type == Recipient.HUDDLE:
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# For huddle messages, we use a 10-second window because the
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# timestamps aren't guaranteed to actually match between two
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# copies of the same message.
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time_window = datetime.timedelta(seconds=10)
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else:
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time_window = datetime.timedelta(seconds=0)
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# Since our database doesn't store timestamps with
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# better-than-second resolution, we should do our comparisons
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# using objects at second resolution
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pub_date_lowres = message.pub_date.replace(microsecond=0)
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return Message.objects.filter(
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sender=message.sender,
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recipient=message.recipient,
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content=message.content,
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subject=message.subject,
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sending_client=message.sending_client,
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pub_date__gte=pub_date_lowres - time_window,
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pub_date__lte=pub_date_lowres + time_window).exists()
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def extract_recipients(raw_recipients):
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try:
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recipients = json_to_list(raw_recipients)
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except (simplejson.decoder.JSONDecodeError, ValueError):
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recipients = [raw_recipients]
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# Strip recipients, and then remove any duplicates and any that
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# are the empty string after being stripped.
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recipients = [recipient.strip() for recipient in recipients]
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return list(set(recipient for recipient in recipients if recipient))
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# check_send_message:
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# Returns None on success or the error message on error.
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def check_send_message(sender, client, message_type_name, message_to,
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subject_name, message_content, realm=None, forged=False,
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forged_timestamp=None, forwarder_user_profile=None):
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stream = None
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if len(message_to) == 0:
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return "Message must have recipients."
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if len(message_content) > MAX_MESSAGE_LENGTH:
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return "Message too long."
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if realm is None:
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realm = sender.realm
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if message_type_name == 'stream':
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if len(message_to) > 1:
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return "Cannot send to multiple streams"
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stream_name = message_to[0].strip()
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if stream_name == "":
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return "Stream can't be empty"
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if len(stream_name) > Stream.MAX_NAME_LENGTH:
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return "Stream name too long"
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if not valid_stream_name(stream_name):
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return "Invalid stream name"
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if subject_name is None:
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return "Missing subject"
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subject = subject_name.strip()
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if subject == "":
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return "Subject can't be empty"
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if len(subject) > MAX_SUBJECT_LENGTH:
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return "Subject too long"
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## FIXME: Commented out temporarily while we figure out what we want
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# if not valid_stream_name(subject):
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# return json_error("Invalid subject name")
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stream = get_stream(stream_name, realm)
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if stream is None:
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return "Stream does not exist"
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recipient = get_recipient(Recipient.STREAM, stream.id)
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elif message_type_name == 'private':
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not_forged_zephyr_mirror = client and client.name == "zephyr_mirror" and not forged
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try:
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recipient = recipient_for_emails(message_to, not_forged_zephyr_mirror,
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forwarder_user_profile, sender)
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except ValidationError, e:
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return e.messages[0]
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else:
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return "Invalid message type"
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rendered_content = bugdown.convert(message_content)
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if rendered_content is None:
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return "We were unable to render your message"
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message = Message()
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message.sender = sender
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message.content = message_content
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message.rendered_content = rendered_content
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message.rendered_content_version = bugdown.version
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message.recipient = recipient
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if message_type_name == 'stream':
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message.subject = subject
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if forged:
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# Forged messages come with a timestamp
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message.pub_date = timestamp_to_datetime(forged_timestamp)
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else:
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message.pub_date = timezone.now()
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message.sending_client = client
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if client.name == "zephyr_mirror" and already_sent_mirrored_message(message):
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return None
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do_send_message(message, rendered_content=rendered_content,
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stream=stream)
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return None
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def internal_send_message(sender_email, recipient_type_name, recipients,
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subject, content, realm=None):
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if len(content) > MAX_MESSAGE_LENGTH:
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content = content[0:3900] + "\n\n[message was too long and has been truncated]"
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sender = get_user_profile_by_email(sender_email)
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if realm is None:
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realm = sender.realm
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parsed_recipients = extract_recipients(recipients)
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if recipient_type_name == "stream":
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stream, _ = create_stream_if_needed(realm, parsed_recipients[0])
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ret = check_send_message(sender, get_client("Internal"), recipient_type_name,
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parsed_recipients, subject, content, realm)
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if ret is not None:
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logging.error("Error sending internal message by %s: %s" % (sender_email, ret))
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def get_stream_colors(user_profile):
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return [(sub["name"], sub["color"]) for sub in gather_subscriptions(user_profile)]
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def pick_color(user_profile):
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# These colors are shared with the palette in subs.js.
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stream_assignment_colors = [
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"#76ce90", "#fae589", "#a6c7e5", "#e79ab5",
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"#bfd56f", "#f4ae55", "#b0a5fd", "#addfe5",
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"#f5ce6e", "#c2726a", "#94c849", "#bd86e5",
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"#ee7e4a", "#a6dcbf", "#95a5fd", "#53a063",
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"#9987e1", "#e4523d", "#c2c2c2", "#4f8de4",
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"#c6a8ad", "#e7cc4d", "#c8bebf", "#a47462"]
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used_colors = [elt[1] for elt in get_stream_colors(user_profile) if elt[1]]
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available_colors = filter(lambda x: x not in used_colors,
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stream_assignment_colors)
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if available_colors:
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return available_colors[0]
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else:
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return stream_assignment_colors[len(used_colors) % len(stream_assignment_colors)]
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def get_subscription(stream_name, user_profile):
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stream = get_stream(stream_name, user_profile.realm)
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recipient = get_recipient(Recipient.STREAM, stream.id)
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return Subscription.objects.filter(user_profile=user_profile,
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recipient=recipient, active=True)
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def set_stream_color(user_profile, stream_name, color=None):
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subscription = get_subscription(stream_name, user_profile)
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stream_color, _ = StreamColor.objects.get_or_create(subscription=subscription[0])
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# TODO: sanitize color.
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if not color:
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color = pick_color(user_profile)
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stream_color.color = color
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stream_color.save()
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def do_add_subscription(user_profile, stream, no_log=False):
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recipient = get_recipient(Recipient.STREAM, stream.id)
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(subscription, created) = Subscription.objects.get_or_create(
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user_profile=user_profile, recipient=recipient,
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defaults={'active': True})
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did_subscribe = created
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if not subscription.active:
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did_subscribe = True
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subscription.active = True
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subscription.save()
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if did_subscribe and not no_log:
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log_event({'type': 'subscription_added',
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'user': user_profile.user.email,
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'name': stream.name,
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'domain': stream.realm.domain})
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set_stream_color(user_profile, stream.name)
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return did_subscribe
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def do_remove_subscription(user_profile, stream, no_log=False):
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recipient = get_recipient(Recipient.STREAM, stream.id)
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maybe_sub = Subscription.objects.filter(user_profile=user_profile,
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recipient=recipient)
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if len(maybe_sub) == 0:
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return False
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subscription = maybe_sub[0]
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did_remove = subscription.active
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subscription.active = False
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subscription.save()
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if did_remove and not no_log:
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log_event({'type': 'subscription_removed',
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'user': user_profile.user.email,
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'name': stream.name,
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'domain': stream.realm.domain})
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return did_remove
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def log_subscription_property_change(user_email, property, property_dict):
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event = {'type': 'subscription_property',
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'property': property,
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'user': user_email}
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event.update(property_dict)
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log_event(event)
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def do_activate_user(user, log=True, join_date=timezone.now()):
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user.is_active = True
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user.set_password(initial_password(user.email))
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user.date_joined = join_date
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user.save()
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if log:
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domain = UserProfile.objects.get(user=user).realm.domain
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log_event({'type': 'user_activated',
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'user': user.email,
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'domain': domain})
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def do_change_password(user, password, log=True, commit=True):
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user.set_password(password)
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if commit:
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user.save()
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if log:
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log_event({'type': 'user_change_password',
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'user': user.email,
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'pwhash': user.password})
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|
def do_change_full_name(user_profile, full_name, log=True):
|
|
user_profile.full_name = full_name
|
|
user_profile.save()
|
|
if log:
|
|
log_event({'type': 'user_change_full_name',
|
|
'user': user_profile.user.email,
|
|
'full_name': full_name})
|
|
|
|
def do_create_realm(domain, replay=False):
|
|
realm, created = Realm.objects.get_or_create(domain=domain)
|
|
if created and not replay:
|
|
# Log the event
|
|
log_event({"type": "realm_created",
|
|
"domain": domain})
|
|
|
|
internal_send_message("humbug+signups@humbughq.com", "stream",
|
|
"signups", domain, "Signups enabled.")
|
|
return (realm, created)
|
|
|
|
def do_change_enable_desktop_notifications(user_profile, enable_desktop_notifications, log=True):
|
|
user_profile.enable_desktop_notifications = enable_desktop_notifications
|
|
user_profile.save()
|
|
if log:
|
|
log_event({'type': 'enable_desktop_notifications_changed',
|
|
'user': user_profile.user.email,
|
|
'enable_desktop_notifications': enable_desktop_notifications})
|
|
|
|
def do_change_enter_sends(user_profile, enter_sends):
|
|
user_profile.enter_sends = enter_sends
|
|
user_profile.save()
|
|
|
|
def set_default_streams(realm, stream_names):
|
|
DefaultStream.objects.filter(realm=realm).delete()
|
|
for stream_name in stream_names:
|
|
stream, _ = create_stream_if_needed(realm, stream_name)
|
|
DefaultStream.objects.create(stream=stream, realm=realm)
|
|
|
|
def add_default_subs(user_profile):
|
|
for default in DefaultStream.objects.filter(realm=user_profile.realm):
|
|
do_add_subscription(user_profile, default.stream)
|
|
|
|
@transaction.commit_on_success
|
|
def do_update_user_activity(user_profile, client, query, log_time):
|
|
try:
|
|
(activity, created) = UserActivity.objects.get_or_create(
|
|
user_profile = user_profile,
|
|
client = client,
|
|
query = query,
|
|
defaults={'last_visit': log_time, 'count': 0})
|
|
except IntegrityError:
|
|
transaction.commit()
|
|
activity = UserActivity.objects.get(user_profile = user_profile,
|
|
client = client,
|
|
query = query)
|
|
activity.count += 1
|
|
activity.last_visit = log_time
|
|
activity.save()
|
|
|
|
def process_user_activity_event(event):
|
|
user_profile = UserProfile.objects.get(id=event["user_profile_id"])
|
|
client = get_client(event["client"])
|
|
log_time = timestamp_to_datetime(event["time"])
|
|
query = event["query"]
|
|
return do_update_user_activity(user_profile, client, query, log_time)
|
|
|
|
@transaction.commit_on_success
|
|
def do_update_user_presence(user_profile, client, log_time, status):
|
|
try:
|
|
(presence, created) = UserPresence.objects.get_or_create(
|
|
user_profile = user_profile,
|
|
client = client,
|
|
defaults = {'timestamp': log_time})
|
|
except IntegrityError:
|
|
transaction.commit()
|
|
presence = UserPresence.objects.get(user_profile = user_profile,
|
|
client = client)
|
|
presence.timestamp = log_time
|
|
presence.status = status
|
|
presence.save()
|
|
|
|
def update_user_presence(user_profile, client, log_time, status):
|
|
event={'type': 'user_presence',
|
|
'user_profile_id': user_profile.id,
|
|
'status': status,
|
|
'time': datetime_to_timestamp(log_time),
|
|
'client': client.name}
|
|
|
|
queue_json_publish("user_activity", event, process_user_presence_event)
|
|
|
|
def update_message_flags(user_profile, operation, flag, messages, all):
|
|
rest_until = None
|
|
|
|
if all:
|
|
# Do the first 450 message updates in-process, as this is a
|
|
# bankruptcy request and the user is about to reload. We don't
|
|
# want them to see a bunch of unread messages while we go about
|
|
# doing the work
|
|
first_batch = 450
|
|
flagattr = getattr(UserMessage.flags, flag)
|
|
|
|
all_ums = UserMessage.objects.filter(user_profile=user_profile)
|
|
if operation == "add":
|
|
umessages = all_ums.filter(flags=~flagattr)
|
|
elif operation == "remove":
|
|
umessages = all_ums.filter(flags=flagattr)
|
|
|
|
mids = [m.id for m in umessages.order_by('-id')[:first_batch]]
|
|
to_update = UserMessage.objects.filter(id__in=mids)
|
|
|
|
if operation == "add":
|
|
to_update.update(flags=F('flags').bitor(flagattr))
|
|
elif operation == "remove":
|
|
to_update.update(flags=F('flags').bitand(~flagattr))
|
|
|
|
if len(mids) == 0:
|
|
return True
|
|
|
|
rest_until = mids[len(mids) - 1]
|
|
|
|
event = {'type': 'update_message',
|
|
'user_profile_id': user_profile.id,
|
|
'operation': operation,
|
|
'flag': flag,
|
|
'messages': messages,
|
|
'until_id': rest_until}
|
|
queue_json_publish("user_activity", event, process_update_message_flags)
|
|
|
|
def process_user_presence_event(event):
|
|
user_profile = UserProfile.objects.get(id=event["user_profile_id"])
|
|
client = get_client(event["client"])
|
|
log_time = timestamp_to_datetime(event["time"])
|
|
status = event["status"]
|
|
return do_update_user_presence(user_profile, client, log_time, status)
|
|
|
|
def process_update_message_flags(event):
|
|
user_profile = UserProfile.objects.get(id=event["user_profile_id"])
|
|
try:
|
|
until_id = event["until_id"]
|
|
messages = event["messages"]
|
|
flag = event["flag"]
|
|
op = event["operation"]
|
|
except (KeyError, AttributeError):
|
|
return False
|
|
|
|
# Shell out bankruptcy requests as we split them up into many
|
|
# pieces to avoid swamping the db
|
|
if until_id and not settings.TEST_SUITE:
|
|
update_flags_externally(op, flag, user_profile, until_id)
|
|
return True
|
|
|
|
flagattr = getattr(UserMessage.flags, flag)
|
|
msgs = UserMessage.objects.filter(user_profile=user_profile,
|
|
message__id__in=messages)
|
|
|
|
# If we're running in the test suite, don't shell out to manage.py.
|
|
# Updates that the manage.py command makes don't seem to be immediately
|
|
# reflected in the next in-process sqlite queries.
|
|
# TODO(leo) remove when tests switch to postgres
|
|
if settings.TEST_SUITE and until_id:
|
|
msgs = UserMessage.objects.filter(user_profile=user_profile,
|
|
id__lte=until_id)
|
|
|
|
if op == 'add':
|
|
msgs.update(flags=F('flags').bitor(flagattr))
|
|
elif op == 'remove':
|
|
msgs.update(flags=F('flags').bitand(~flagattr))
|
|
|
|
return True
|
|
|
|
def update_flags_externally(op, flag, user_profile, until_id):
|
|
args = ['python', os.path.join(os.path.dirname(__file__), '../..', 'manage.py'),
|
|
'set_message_flags', '--for-real', '-o', op, '-f', flag, '-m', user_profile.user.email,
|
|
'-u', str(until_id)]
|
|
|
|
subprocess.Popen(args, stdin=subprocess.PIPE, stdout=None, stderr=None)
|
|
|
|
def subscribed_to_stream(user_profile, stream):
|
|
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 gather_subscriptions(user_profile):
|
|
# This is a little awkward because the StreamColor table has foreign keys
|
|
# to Subscription, but not vice versa, and not all Subscriptions have a
|
|
# StreamColor.
|
|
#
|
|
# We could do this with a single OUTER JOIN query but Django's ORM does
|
|
# not provide a simple way to specify one.
|
|
|
|
# For now, don't display the subscription for your ability to receive personals.
|
|
subs = Subscription.objects.filter(
|
|
user_profile = user_profile,
|
|
active = True,
|
|
recipient__type = Recipient.STREAM)
|
|
with_color = StreamColor.objects.filter(subscription__in = subs).select_related()
|
|
no_color = subs.exclude(id__in = with_color.values('subscription_id')).select_related()
|
|
|
|
stream_ids = [sc.subscription.recipient.type_id for sc in with_color] + \
|
|
[sub.recipient.type_id for sub in no_color]
|
|
|
|
stream_hash = {}
|
|
for stream in Stream.objects.filter(id__in=stream_ids):
|
|
stream_hash[stream.id] = (stream.name, stream.invite_only)
|
|
|
|
result = []
|
|
for sc in with_color:
|
|
(stream_name, invite_only) = stream_hash[sc.subscription.recipient.type_id]
|
|
result.append({'name': stream_name,
|
|
'in_home_view': sc.subscription.in_home_view,
|
|
'invite_only': invite_only,
|
|
'color': sc.color})
|
|
for sub in no_color:
|
|
(stream_name, invite_only) = stream_hash[sub.recipient.type_id]
|
|
result.append({'name': stream_name,
|
|
'in_home_view': sub.in_home_view,
|
|
'invite_only': invite_only,
|
|
'color': StreamColor.DEFAULT_STREAM_COLOR})
|
|
|
|
return sorted(result)
|