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https://github.com/zulip/zulip.git
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641 lines
26 KiB
Python
641 lines
26 KiB
Python
from django.conf import settings
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from django.contrib.auth import authenticate, login
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from django.contrib.auth.decorators import login_required
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from django.core.urlresolvers import reverse
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from django.http import HttpResponse, HttpResponseRedirect, HttpResponseBadRequest, HttpResponseForbidden
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from django.shortcuts import render_to_response
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from django.template import RequestContext
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from django.shortcuts import render
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from django.utils.timezone import utc
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from django.core.exceptions import ValidationError
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from django.contrib.auth.views import login as django_login_page
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from django.contrib.auth.models import User
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from zephyr.models import Message, UserProfile, Stream, Subscription, \
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Recipient, get_display_recipient, get_huddle, Realm, UserMessage, \
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create_user, do_send_message, mit_sync_table, create_user_if_needed, \
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create_stream_if_needed, PreregistrationUser
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from zephyr.forms import RegistrationForm, HomepageForm, is_unique
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from django.views.decorators.csrf import csrf_exempt
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from zephyr.decorator import asynchronous
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from zephyr.lib.query import last_n
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from zephyr.lib.avatar import gravatar_hash
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from confirmation.models import Confirmation
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import datetime
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import simplejson
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import socket
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import re
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import urllib
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import time
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SERVER_GENERATION = int(time.time())
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def require_post(view_func):
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def _wrapped_view_func(request, *args, **kwargs):
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if request.method != "POST":
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return HttpResponseBadRequest('This form can only be submitted by POST.')
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return view_func(request, *args, **kwargs)
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return _wrapped_view_func
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# api_key_required will add the authenticated user's user_profile to
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# the view function's arguments list, since we have to look it up
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# anyway.
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def login_required_api_view(view_func):
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@csrf_exempt
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@require_post
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def _wrapped_view_func(request, *args, **kwargs):
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# Arguably @require_post should protect us from having to do
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# this, but I don't want to count on us always getting the
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# decorator ordering right.
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try:
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user_profile = UserProfile.objects.get(user__email=request.POST.get("email"))
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except UserProfile.DoesNotExist:
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return json_error("Invalid user")
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if user_profile is None or request.POST.get("api-key") != user_profile.api_key:
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return json_error('Invalid API user/key pair.')
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return view_func(request, user_profile, *args, **kwargs)
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return _wrapped_view_func
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# Checks if the request is a POST request and that the user is logged
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# in. If not, return an error (the @login_required behavior of
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# redirecting to a login page doesn't make sense for json views)
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def login_required_json_view(view_func):
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def _wrapped_view_func(request, *args, **kwargs):
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# Arguably @require_post should protect us from having to do
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# this, but I don't want to count on us always getting the
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# decorator ordering right.
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if request.method != "POST":
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return HttpResponseBadRequest('This form can only be submitted by POST.')
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if not request.user.is_authenticated():
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return json_error("Not logged in")
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return view_func(request, *args, **kwargs)
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return _wrapped_view_func
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def json_response(res_type="success", msg="", data={}, status=200):
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content = {"result":res_type, "msg":msg}
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content.update(data)
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return HttpResponse(content=simplejson.dumps(content),
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mimetype='application/json', status=status)
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def json_success(data={}):
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return json_response(data=data)
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def json_error(msg, data={}):
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return json_response(res_type="error", msg=msg, data=data, status=400)
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def get_stream(stream_name, realm):
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stream = Stream.objects.filter(name__iexact=stream_name, realm=realm)
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if stream:
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return stream[0]
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else:
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return None
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@require_post
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def accounts_register(request):
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key = request.POST['key']
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email = Confirmation.objects.get(confirmation_key=key).content_object.email
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company_name = email.split('@')[-1]
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try:
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is_unique(email)
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except ValidationError:
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return HttpResponseRedirect(reverse('django.contrib.auth.views.login') + '?email=' + urllib.quote_plus(email))
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if request.POST.get('from_confirmation'):
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form = RegistrationForm()
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else:
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form = RegistrationForm(request.POST)
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if form.is_valid():
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password = form.cleaned_data['password']
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full_name = form.cleaned_data['full_name']
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short_name = email.split('@')[0]
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domain = form.cleaned_data['domain']
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try:
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realm = Realm.objects.get(domain=domain)
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except Realm.DoesNotExist:
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realm = Realm(domain=domain)
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realm.save()
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# FIXME: sanitize email addresses
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create_user(email, password, realm, full_name, short_name)
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login(request, authenticate(username=email, password=password))
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return HttpResponseRedirect(reverse('zephyr.views.home'))
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return render_to_response('zephyr/register.html',
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{ 'form': form, 'company_name': company_name, 'email': email, 'key': key },
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context_instance=RequestContext(request))
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def login_page(request, **kwargs):
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template_response = django_login_page(request, **kwargs)
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try:
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template_response.context_data['email'] = request.GET['email']
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except KeyError:
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pass
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return template_response
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def accounts_home(request):
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if request.method == 'POST':
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form = HomepageForm(request.POST)
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if form.is_valid():
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try:
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email = form.cleaned_data['email']
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user = PreregistrationUser.objects.get(email=email)
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except PreregistrationUser.DoesNotExist:
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user = PreregistrationUser()
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user.email = email
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user.save()
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Confirmation.objects.send_confirmation(user, user.email)
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return HttpResponseRedirect(reverse('send_confirm', kwargs={'email':user.email}))
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try:
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email = request.POST['email']
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is_unique(email)
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except ValidationError:
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return HttpResponseRedirect(reverse('django.contrib.auth.views.login') + '?email=' + urllib.quote_plus(email))
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return render_to_response('zephyr/accounts_home.html',
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context_instance=RequestContext(request))
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def home(request):
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if not request.user.is_authenticated():
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return HttpResponseRedirect(reverse(settings.NOT_LOGGED_IN_REDIRECT))
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user_profile = UserProfile.objects.get(user=request.user)
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num_messages = UserMessage.objects.filter(user_profile=user_profile).count()
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if user_profile.pointer == -1 and num_messages > 0:
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min_id = UserMessage.objects.filter(user_profile=user_profile).order_by("message")[0].message_id
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user_profile.pointer = min_id
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user_profile.save()
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# Populate personals autocomplete list based on everyone in your
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# realm. Later we might want a 2-layer autocomplete, where we
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# consider specially some sort of "buddy list" who e.g. you've
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# talked to before, but for small organizations, the right list is
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# everyone in your realm.
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people = [{'email' : profile.user.email,
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'full_name' : profile.full_name}
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for profile in
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UserProfile.objects.select_related().filter(realm=user_profile.realm) if
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profile != user_profile]
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subscriptions = Subscription.objects.select_related().filter(userprofile_id=user_profile, active=True)
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streams = [get_display_recipient(sub.recipient) for sub in subscriptions
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if sub.recipient.type == Recipient.STREAM]
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return render_to_response('zephyr/index.html',
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{'user_profile': user_profile,
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'email_hash' : gravatar_hash(user_profile.user.email),
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'people' : people,
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'streams' : streams,
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'have_initial_messages':
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'true' if num_messages > 0 else 'false',
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'show_debug':
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settings.DEBUG and ('show_debug' in request.GET),
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'server_generation': SERVER_GENERATION},
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context_instance=RequestContext(request))
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@login_required_json_view
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def json_update_pointer(request):
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user_profile = UserProfile.objects.get(user=request.user)
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pointer = request.POST.get('pointer')
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if not pointer:
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return json_error("Missing pointer")
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try:
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pointer = int(pointer)
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except ValueError:
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return json_error("Invalid pointer: must be an integer")
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if pointer < 0:
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return json_error("Invalid pointer value")
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user_profile.pointer = pointer
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user_profile.save()
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return json_success()
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def format_updates_response(messages, mit_sync_bot=False, apply_markdown=False, where='bottom'):
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if mit_sync_bot:
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messages = [m for m in messages if not mit_sync_table.get(m.id)]
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return {'messages': [message.to_dict(apply_markdown) for message in messages],
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"result": "success",
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"msg": "",
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'where': where,
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'server_generation': SERVER_GENERATION}
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def return_messages_immediately(request, handler, user_profile, **kwargs):
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first = request.POST.get("first")
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last = request.POST.get("last")
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failures = request.POST.get("failures")
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client_server_generation = request.POST.get("server_generation")
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client_reload_pending = request.POST.get("reload_pending")
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if first is None or last is None:
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# When an API user is first querying the server to subscribe,
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# there's no reason to reply immediately.
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return False
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first = int(first)
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last = int(last)
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if failures is not None:
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failures = int(failures)
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where = 'bottom'
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query = Message.objects.select_related().filter(usermessage__user_profile = user_profile).order_by('id')
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if last == -1:
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# User has no messages yet
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# Get a range around the pointer
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ptr = user_profile.pointer
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messages = (last_n(200, query.filter(id__lt=ptr))
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+ list(query.filter(id__gte=ptr)[:200]))
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else:
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messages = query.filter(id__gt=last)[:400]
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if not messages:
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# No more messages in the future; try filling in from the past.
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messages = last_n(400, query.filter(id__lt=first))
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where = 'top'
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# Filter for mit_sync_bot before checking whether there are any
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# messages to pass on. If we don't do this, when the only message
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# to forward is one that was sent via mit_sync_bot, the API client
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# will end up in an endless loop requesting more data from us.
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if kwargs.get("mit_sync_bot"):
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messages = [m for m in messages if not mit_sync_table.get(m.id)]
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if messages:
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handler.finish(format_updates_response(messages, where=where, **kwargs))
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return True
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if failures >= 4:
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# No messages, but still return immediately, to clear the
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# user's failures count
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handler.finish(format_updates_response([], where="bottom", **kwargs))
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return True
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if (client_server_generation is not None
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and int(client_server_generation) != SERVER_GENERATION
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and not client_reload_pending):
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# No messages, but still return immediately to inform the
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# client that they should reload
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handler.finish(format_updates_response([], where="bottom", **kwargs))
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return True
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return False
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def get_updates_backend(request, user_profile, handler, **kwargs):
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if return_messages_immediately(request, handler, user_profile, **kwargs):
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return
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def on_receive(messages):
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if handler.request.connection.stream.closed():
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return
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try:
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handler.finish(format_updates_response(messages, **kwargs))
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except socket.error:
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pass
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user_profile.add_callback(handler.async_callback(on_receive))
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@asynchronous
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@login_required_json_view
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def json_get_updates(request, handler):
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if not ('last' in request.POST and 'first' in request.POST):
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return json_error("Missing message range")
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user_profile = UserProfile.objects.get(user=request.user)
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return get_updates_backend(request, user_profile, handler, apply_markdown=True)
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@asynchronous
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@login_required_api_view
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def api_get_messages(request, user_profile, handler):
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return get_updates_backend(request, user_profile, handler,
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apply_markdown=(request.POST.get("apply_markdown") is not None),
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mit_sync_bot=request.POST.get("mit_sync_bot"))
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@login_required_api_view
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def api_send_message(request, user_profile):
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return send_message_backend(request, user_profile, user_profile.user)
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@login_required_json_view
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def json_send_message(request):
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user_profile = UserProfile.objects.get(user=request.user)
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if 'time' in request.POST:
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return json_error("Invalid field 'time'")
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return send_message_backend(request, user_profile, request.user)
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# TODO: This should have a real superuser security check
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def is_super_user_api(request):
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return request.POST.get("api-key") == "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
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def already_sent_forged_message(request):
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email = request.POST['sender'].lower()
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if Message.objects.filter(sender__user__email=email,
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content=request.POST['content'],
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pub_date__gt=datetime.datetime.utcfromtimestamp(float(request.POST['time']) - 10).replace(tzinfo=utc),
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pub_date__lt=datetime.datetime.utcfromtimestamp(float(request.POST['time']) + 10).replace(tzinfo=utc)):
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return True
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return False
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def create_forged_message_users(request, user_profile):
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# Create a user for the sender, if needed
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email = request.POST['sender'].lower()
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user = create_user_if_needed(user_profile.realm, email, "test",
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request.POST['fullname'],
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request.POST['shortname'])
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# Create users for huddle recipients, if needed.
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if request.POST['type'] == 'personal':
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if ',' in request.POST['recipient']:
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# Huddle message
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for user_email in [e.strip() for e in request.POST["recipient"].split(",")]:
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create_user_if_needed(user_profile.realm, user_email, "test",
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user_email.split('@')[0],
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user_email.split('@')[0])
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else:
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user_email = request.POST["recipient"].strip()
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create_user_if_needed(user_profile.realm, user_email, "test",
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user_email.split('@')[0],
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user_email.split('@')[0])
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return user
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# We do not @require_login for send_message_backend, since it is used
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# both from the API and the web service. Code calling
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# send_message_backend should either check the API key or check that
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# the user is logged in.
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def send_message_backend(request, user_profile, sender):
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if "type" not in request.POST:
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return json_error("Missing type")
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if "content" not in request.POST:
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return json_error("Missing message contents")
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if "forged" in request.POST:
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if not is_super_user_api(request):
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return json_error("User not authorized for this query")
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if "time" not in request.POST:
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return json_error("Missing time")
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if already_sent_forged_message(request):
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return json_success()
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sender = create_forged_message_users(request, user_profile)
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message_type_name = request.POST["type"]
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if message_type_name == 'stream':
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if "stream" not in request.POST:
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return json_error("Missing stream")
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if "subject" not in request.POST:
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return json_error("Missing subject")
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stream_name = request.POST['stream'].strip()
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subject_name = request.POST['subject'].strip()
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if not valid_stream_name(stream_name):
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return json_error("Invalid stream name")
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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_name):
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# return json_error("Invalid subject name")
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stream = create_stream_if_needed(user_profile.realm, stream_name)
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recipient = Recipient.objects.get(type_id=stream.id, type=Recipient.STREAM)
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elif message_type_name == 'personal':
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if "recipient" not in request.POST:
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return json_error("Missing recipient")
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recipient_data = request.POST['recipient']
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if ',' in recipient_data:
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# This is actually a huddle message, which shares the
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# "personal" message sending form
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recipients = [r.strip() for r in recipient_data.split(',')]
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# Ignore any blank recipients
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recipients = [r for r in recipients if r]
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recipient_ids = []
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for recipient in recipients:
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try:
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recipient_ids.append(
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UserProfile.objects.get(user__email=recipient).id)
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except UserProfile.DoesNotExist:
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return json_error("Invalid email '%s'" % (recipient))
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# Make sure the sender is included in the huddle
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recipient_ids.append(UserProfile.objects.get(user=sender).id)
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huddle = get_huddle(recipient_ids)
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recipient = Recipient.objects.get(type_id=huddle.id, type=Recipient.HUDDLE)
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else:
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# This is actually a personal message
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if not User.objects.filter(email=recipient_data):
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return json_error("Invalid email '%s'" % (recipient_data))
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recipient_user = User.objects.get(email=recipient_data)
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recipient_user_profile = UserProfile.objects.get(user=recipient_user)
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recipient = Recipient.objects.get(type_id=recipient_user_profile.id,
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type=Recipient.PERSONAL)
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else:
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return json_error("Invalid message type")
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message = Message()
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message.sender = UserProfile.objects.get(user=sender)
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message.content = request.POST['content']
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message.recipient = recipient
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if message_type_name == 'stream':
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message.subject = subject_name
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if 'time' in request.POST:
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# Forged messages come with a timestamp
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message.pub_date = datetime.datetime.utcfromtimestamp(float(request.POST['time'])).replace(tzinfo=utc)
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else:
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message.pub_date = datetime.datetime.utcnow().replace(tzinfo=utc)
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# To avoid message loops, we must pass whether the message was
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# synced from MIT message here.
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do_send_message(message, synced_from_mit = 'time' in request.POST)
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return json_success()
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@asynchronous
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@csrf_exempt
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@require_post
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def notify_waiting_clients(request, handler):
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# Check the shared secret.
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# Also check the originating IP, at least for now.
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if ((request.META['REMOTE_ADDR'] != '127.0.0.1')
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or (request.POST.get('secret') != settings.SHARED_SECRET)):
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handler.set_status(403)
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handler.finish('Access denied')
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return
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# FIXME: better query
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|
users = [UserProfile.objects.get(id=user) for user in request.POST.getlist('user')]
|
|
message = Message.objects.get(id=request.POST['message'])
|
|
|
|
for user in users:
|
|
user.receive(message)
|
|
|
|
handler.finish()
|
|
|
|
@login_required_api_view
|
|
def api_get_public_streams(request, user_profile):
|
|
streams = sorted([stream.name for stream in
|
|
Stream.objects.filter(realm=user_profile.realm)])
|
|
return json_success({"streams": streams})
|
|
|
|
def gather_subscriptions(user_profile):
|
|
subscriptions = Subscription.objects.filter(userprofile=user_profile, active=True)
|
|
# For now, don't display the subscription for your ability to receive personals.
|
|
return sorted([get_display_recipient(sub.recipient) for sub in subscriptions
|
|
if sub.recipient.type == Recipient.STREAM])
|
|
|
|
@login_required_api_view
|
|
def api_get_subscriptions(request, user_profile):
|
|
return json_success({"streams": gather_subscriptions(user_profile)})
|
|
|
|
@login_required_json_view
|
|
def json_list_subscriptions(request):
|
|
subs = gather_subscriptions(UserProfile.objects.get(user=request.user))
|
|
return json_success({"subscriptions": subs})
|
|
|
|
@login_required_json_view
|
|
def json_remove_subscription(request):
|
|
user_profile = UserProfile.objects.get(user=request.user)
|
|
if 'subscription' not in request.POST:
|
|
return json_error("Missing subscriptions")
|
|
|
|
sub_name = request.POST.get('subscription')
|
|
stream = get_stream(sub_name, user_profile.realm)
|
|
if not stream:
|
|
return json_error("Not subscribed, so you can't unsubscribe")
|
|
|
|
recipient = Recipient.objects.get(type_id=stream.id,
|
|
type=Recipient.STREAM)
|
|
subscription = Subscription.objects.get(
|
|
userprofile=user_profile, recipient=recipient)
|
|
subscription.active = False
|
|
subscription.save()
|
|
|
|
return json_success({"data": sub_name})
|
|
|
|
def valid_stream_name(name):
|
|
# Streams must start with a letter or number.
|
|
return re.match("^[.a-zA-Z0-9][.a-z A-Z0-9_-]*$", name)
|
|
|
|
@login_required_api_view
|
|
def api_subscribe(request, user_profile):
|
|
if "streams" not in request.POST:
|
|
return json_error("Missing streams argument.")
|
|
streams = simplejson.loads(request.POST.get("streams"))
|
|
for stream_name in streams:
|
|
if len(stream_name) > 30:
|
|
return json_error("Stream name (%s) too long." % (stream_name,))
|
|
if not valid_stream_name(stream_name):
|
|
return json_error("Invalid characters in stream name (%s)." % (stream_name,))
|
|
res = add_subscriptions_backend(request, user_profile, streams)
|
|
return json_success(res)
|
|
|
|
@login_required_json_view
|
|
def json_add_subscription(request):
|
|
user_profile = UserProfile.objects.get(user=request.user)
|
|
|
|
if "new_subscription" not in request.POST:
|
|
return json_error("Missing new_subscription argument")
|
|
stream_name = request.POST.get('new_subscription').strip()
|
|
if not valid_stream_name(stream_name):
|
|
return json_error("Invalid characters in stream names")
|
|
if len(stream_name) > 30:
|
|
return json_error("Stream name %s too long." % (stream_name,))
|
|
res = add_subscriptions_backend(request,user_profile,
|
|
[request.POST["new_subscription"]])
|
|
if len(res["already_subscribed"]) != 0:
|
|
return json_error("Subscription already exists")
|
|
return json_success({"data": res["subscribed"][0]})
|
|
|
|
def add_subscriptions_backend(request, user_profile, streams):
|
|
subscribed = []
|
|
already_subscribed = []
|
|
for stream_name in streams:
|
|
stream = create_stream_if_needed(user_profile.realm, stream_name)
|
|
recipient = Recipient.objects.get(type_id=stream.id,
|
|
type=Recipient.STREAM)
|
|
|
|
try:
|
|
subscription = Subscription.objects.get(userprofile=user_profile,
|
|
recipient=recipient)
|
|
if subscription.active:
|
|
# Subscription already exists and is active
|
|
already_subscribed.append(stream_name)
|
|
continue
|
|
except Subscription.DoesNotExist:
|
|
subscription = Subscription(userprofile=user_profile,
|
|
recipient=recipient)
|
|
subscription.active = True
|
|
subscription.save()
|
|
subscribed.append(stream_name)
|
|
|
|
return {"subscribed": subscribed,
|
|
"already_subscribed": already_subscribed}
|
|
|
|
@login_required_json_view
|
|
def json_change_settings(request):
|
|
user_profile = UserProfile.objects.get(user=request.user)
|
|
|
|
# First validate all the inputs
|
|
if "full_name" not in request.POST:
|
|
return json_error("Invalid settings request -- missing full_name.")
|
|
if "new_password" not in request.POST:
|
|
return json_error("Invalid settings request -- missing new_password.")
|
|
if "old_password" not in request.POST:
|
|
return json_error("Invalid settings request -- missing old_password.")
|
|
if "confirm_password" not in request.POST:
|
|
return json_error("Invalid settings request -- missing confirm_password.")
|
|
|
|
old_password = request.POST['old_password']
|
|
new_password = request.POST['new_password']
|
|
confirm_password = request.POST['confirm_password']
|
|
full_name = request.POST['full_name']
|
|
|
|
if new_password != "":
|
|
if new_password != confirm_password:
|
|
return json_error("New password must match confirmation password!")
|
|
if not authenticate(username=user_profile.user.email, password=old_password):
|
|
return json_error("Wrong password!")
|
|
user_profile.user.set_password(new_password)
|
|
|
|
result = {}
|
|
if user_profile.full_name != full_name:
|
|
user_profile.full_name = full_name
|
|
result['full_name'] = full_name
|
|
|
|
user_profile.user.save()
|
|
user_profile.save()
|
|
|
|
return json_success(result)
|
|
|
|
@login_required_json_view
|
|
def json_stream_exists(request):
|
|
if "stream" not in request.POST:
|
|
return json_error("Missing stream argument.")
|
|
stream = request.POST.get("stream")
|
|
if not valid_stream_name(stream):
|
|
return json_error("Invalid characters in stream name")
|
|
exists = bool(get_stream(stream, UserProfile.objects.get(user=request.user).realm))
|
|
return json_success({"exists": exists})
|
|
|
|
@csrf_exempt
|
|
@require_post
|
|
def api_fetch_api_key(request):
|
|
try:
|
|
username = request.POST['username']
|
|
password = request.POST['password']
|
|
except KeyError:
|
|
return HttpResponseBadRequest("You must specify the username and password via POST.")
|
|
user = authenticate(username=username, password=password)
|
|
if user is None:
|
|
return HttpResponseForbidden("Your username or password is incorrect.")
|
|
if not user.is_active:
|
|
return HttpResponseForbidden("Your account has been disabled.")
|
|
return HttpResponse(user.userprofile.api_key)
|
|
|
|
@login_required_json_view
|
|
def json_fetch_api_key(request):
|
|
try:
|
|
password = request.POST['password']
|
|
except KeyError:
|
|
return json_error("You must specify your password to get your API key.")
|
|
if not request.user.check_password(password):
|
|
return json_error("Your username or password is incorrect.")
|
|
return json_success({"api_key": request.user.userprofile.api_key})
|