mirror of https://github.com/zulip/zulip.git
278 lines
12 KiB
Python
278 lines
12 KiB
Python
from __future__ import absolute_import
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from typing import Any, List, Dict, Optional, Text
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseRedirect, HttpResponse, HttpRequest
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from django.shortcuts import redirect, render
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from django.utils import translation
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from django.utils.cache import patch_cache_control
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from six.moves import zip_longest, zip, range
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from zerver.decorator import zulip_login_required, process_client
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from zerver.forms import ToSForm
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from zerver.lib.realm_icon import realm_icon_url
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from zerver.models import Message, UserProfile, Stream, Subscription, Huddle, \
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Recipient, Realm, UserMessage, DefaultStream, RealmEmoji, RealmDomain, \
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RealmFilter, PreregistrationUser, UserActivity, \
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UserPresence, get_recipient, name_changes_disabled, email_to_username, \
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get_realm_domains
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from zerver.lib.events import do_events_register
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from zerver.lib.actions import update_user_presence, do_change_tos_version, \
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do_update_pointer, realm_user_count
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from zerver.lib.avatar import avatar_url
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from zerver.lib.i18n import get_language_list, get_language_name, \
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get_language_list_for_templates
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from zerver.lib.push_notifications import num_push_devices_for_user
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from zerver.lib.streams import access_stream_by_name
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from zerver.lib.utils import statsd, get_subdomain
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import calendar
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import datetime
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import logging
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import os
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import re
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import simplejson
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import time
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@zulip_login_required
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def accounts_accept_terms(request):
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# type: (HttpRequest) -> HttpResponse
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if request.method == "POST":
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form = ToSForm(request.POST)
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if form.is_valid():
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do_change_tos_version(request.user, settings.TOS_VERSION)
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return redirect(home)
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else:
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form = ToSForm()
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email = request.user.email
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special_message_template = None
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if request.user.tos_version is None and settings.FIRST_TIME_TOS_TEMPLATE is not None:
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special_message_template = 'zerver/' + settings.FIRST_TIME_TOS_TEMPLATE
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return render(
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request,
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'zerver/accounts_accept_terms.html',
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context={'form': form,
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'email': email,
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'special_message_template': special_message_template},
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)
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def approximate_unread_count(user_profile):
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# type: (UserProfile) -> int
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not_in_home_view_recipients = [sub.recipient.id for sub in
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Subscription.objects.filter(
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user_profile=user_profile, in_home_view=False)]
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# TODO: We may want to exclude muted messages from this count.
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# It was attempted in the past, but the original attempt
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# was broken. When we re-architect muting, we may
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# want to to revisit this (see git issue #1019).
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return UserMessage.objects.filter(
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user_profile=user_profile, message_id__gt=user_profile.pointer).exclude(
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message__recipient__type=Recipient.STREAM,
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message__recipient__id__in=not_in_home_view_recipients).exclude(
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flags=UserMessage.flags.read).count()
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def sent_time_in_epoch_seconds(user_message):
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# type: (UserMessage) -> Optional[float]
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# user_message is a UserMessage object.
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if not user_message:
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return None
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# We have USE_TZ = True, so our datetime objects are timezone-aware.
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# Return the epoch seconds in UTC.
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return calendar.timegm(user_message.message.pub_date.utctimetuple())
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def home(request):
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# type: (HttpRequest) -> HttpResponse
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if settings.DEVELOPMENT and os.path.exists('var/handlebars-templates/compile.error'):
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response = render(request, 'zerver/handlebars_compilation_failed.html')
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response.status_code = 500
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return response
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if not settings.SUBDOMAINS_HOMEPAGE:
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return home_real(request)
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# If settings.SUBDOMAINS_HOMEPAGE, sends the user the landing
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# page, not the login form, on the root domain
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subdomain = get_subdomain(request)
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if subdomain != "":
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return home_real(request)
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return render(request, 'zerver/hello.html')
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@zulip_login_required
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def home_real(request):
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# type: (HttpRequest) -> HttpResponse
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# We need to modify the session object every two weeks or it will expire.
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# This line makes reloading the page a sufficient action to keep the
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# session alive.
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request.session.modified = True
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user_profile = request.user
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# If a user hasn't signed the current Terms of Service, send them there
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if settings.TERMS_OF_SERVICE is not None and settings.TOS_VERSION is not None and \
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int(settings.TOS_VERSION.split('.')[0]) > user_profile.major_tos_version():
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return accounts_accept_terms(request)
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narrow = [] # type: List[List[Text]]
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narrow_stream = None
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narrow_topic = request.GET.get("topic")
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if request.GET.get("stream"):
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try:
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narrow_stream_name = request.GET.get("stream")
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(narrow_stream, ignored_rec, ignored_sub) = access_stream_by_name(
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user_profile, narrow_stream_name)
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narrow = [["stream", narrow_stream.name]]
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except Exception:
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logging.exception("Narrow parsing")
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if narrow_stream is not None and narrow_topic is not None:
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narrow.append(["topic", narrow_topic])
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register_ret = do_events_register(user_profile, request.client,
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apply_markdown=True, narrow=narrow)
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user_has_messages = (register_ret['max_message_id'] != -1)
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# Reset our don't-spam-users-with-email counter since the
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# user has since logged in
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if user_profile.last_reminder is not None:
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user_profile.last_reminder = None
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user_profile.save(update_fields=["last_reminder"])
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# Brand new users get the tutorial
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needs_tutorial = settings.TUTORIAL_ENABLED and \
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user_profile.tutorial_status != UserProfile.TUTORIAL_FINISHED
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first_in_realm = realm_user_count(user_profile.realm) == 1
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# If you are the only person in the realm and you didn't invite
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# anyone, we'll continue to encourage you to do so on the frontend.
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prompt_for_invites = first_in_realm and \
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not PreregistrationUser.objects.filter(referred_by=user_profile).count()
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if user_profile.pointer == -1 and user_has_messages:
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# Put the new user's pointer at the bottom
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#
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# This improves performance, because we limit backfilling of messages
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# before the pointer. It's also likely that someone joining an
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# organization is interested in recent messages more than the very
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# first messages on the system.
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register_ret['pointer'] = register_ret['max_message_id']
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user_profile.last_pointer_updater = request.session.session_key
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if user_profile.pointer == -1:
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latest_read = None
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else:
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try:
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latest_read = UserMessage.objects.get(user_profile=user_profile,
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message__id=user_profile.pointer)
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except UserMessage.DoesNotExist:
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# Don't completely fail if your saved pointer ID is invalid
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logging.warning("%s has invalid pointer %s" % (user_profile.email, user_profile.pointer))
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latest_read = None
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# Set default language and make it persist
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default_language = register_ret['default_language']
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url_lang = '/{}'.format(request.LANGUAGE_CODE)
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if not request.path.startswith(url_lang):
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translation.activate(default_language)
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request.session[translation.LANGUAGE_SESSION_KEY] = default_language
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# Pass parameters to the client-side JavaScript code.
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# These end up in a global JavaScript Object named 'page_params'.
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page_params = dict(
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# Server settings.
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share_the_love = settings.SHARE_THE_LOVE,
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development_environment = settings.DEVELOPMENT,
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debug_mode = settings.DEBUG,
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test_suite = settings.TEST_SUITE,
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poll_timeout = settings.POLL_TIMEOUT,
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login_page = settings.HOME_NOT_LOGGED_IN,
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server_uri = settings.SERVER_URI,
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maxfilesize = settings.MAX_FILE_UPLOAD_SIZE,
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max_avatar_file_size = settings.MAX_AVATAR_FILE_SIZE,
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server_generation = settings.SERVER_GENERATION,
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use_websockets = settings.USE_WEBSOCKETS,
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save_stacktraces = settings.SAVE_FRONTEND_STACKTRACES,
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server_inline_image_preview = settings.INLINE_IMAGE_PREVIEW,
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server_inline_url_embed_preview = settings.INLINE_URL_EMBED_PREVIEW,
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# Misc. extra data.
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have_initial_messages = user_has_messages,
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initial_servertime = time.time(), # Used for calculating relative presence age
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default_language_name = get_language_name(register_ret['default_language']),
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language_list_dbl_col = get_language_list_for_templates(register_ret['default_language']),
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language_list = get_language_list(),
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needs_tutorial = needs_tutorial,
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first_in_realm = first_in_realm,
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prompt_for_invites = prompt_for_invites,
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unread_count = approximate_unread_count(user_profile),
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furthest_read_time = sent_time_in_epoch_seconds(latest_read),
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has_mobile_devices = num_push_devices_for_user(user_profile) > 0,
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)
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undesired_register_ret_fields = [
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'streams',
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]
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for field_name in set(register_ret.keys()) - set(undesired_register_ret_fields):
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page_params[field_name] = register_ret[field_name]
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if narrow_stream is not None:
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# In narrow_stream context, initial pointer is just latest message
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recipient = get_recipient(Recipient.STREAM, narrow_stream.id)
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try:
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initial_pointer = Message.objects.filter(recipient=recipient).order_by('id').reverse()[0].id
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except IndexError:
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initial_pointer = -1
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page_params["narrow_stream"] = narrow_stream.name
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if narrow_topic is not None:
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page_params["narrow_topic"] = narrow_topic
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page_params["narrow"] = [dict(operator=term[0], operand=term[1]) for term in narrow]
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page_params["max_message_id"] = initial_pointer
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page_params["pointer"] = initial_pointer
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page_params["have_initial_messages"] = (initial_pointer != -1)
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page_params["enable_desktop_notifications"] = False
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statsd.incr('views.home')
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show_invites = True
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# Some realms only allow admins to invite users
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if user_profile.realm.invite_by_admins_only and not user_profile.is_realm_admin:
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show_invites = False
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request._log_data['extra'] = "[%s]" % (register_ret["queue_id"],)
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response = render(request, 'zerver/index.html',
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context={'user_profile': user_profile,
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'page_params': simplejson.encoder.JSONEncoderForHTML().encode(page_params),
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'nofontface': is_buggy_ua(request.META.get("HTTP_USER_AGENT", "Unspecified")),
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'avatar_url': avatar_url(user_profile),
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'show_debug':
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settings.DEBUG and ('show_debug' in request.GET),
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'pipeline': settings.PIPELINE_ENABLED,
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'show_invites': show_invites,
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'is_admin': user_profile.is_realm_admin,
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'show_webathena': user_profile.realm.webathena_enabled,
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'enable_feedback': settings.ENABLE_FEEDBACK,
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'embedded': narrow_stream is not None,
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},)
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patch_cache_control(response, no_cache=True, no_store=True, must_revalidate=True)
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return response
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@zulip_login_required
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def desktop_home(request):
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# type: (HttpRequest) -> HttpResponse
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return HttpResponseRedirect(reverse('zerver.views.home.home'))
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def is_buggy_ua(agent):
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# type: (str) -> bool
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"""Discrimiate CSS served to clients based on User Agent
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Due to QTBUG-3467, @font-face is not supported in QtWebKit.
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This may get fixed in the future, but for right now we can
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just serve the more conservative CSS to all our desktop apps.
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"""
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return ("Humbug Desktop/" in agent or "Zulip Desktop/" in agent or "ZulipDesktop/" in agent) and \
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"Mac" not in agent
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