root / snf-astakos-app / astakos / im / views.py @ e9083112
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import logging |
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import socket |
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from smtplib import SMTPException |
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from urllib import quote |
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from functools import wraps |
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from django.core.mail import send_mail |
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from django.http import HttpResponse, HttpResponseBadRequest |
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from django.shortcuts import redirect |
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from django.template.loader import render_to_string |
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from django.utils.translation import ugettext as _ |
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from django.core.urlresolvers import reverse |
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from django.contrib.auth.decorators import login_required |
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from django.contrib import messages |
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from django.db import transaction |
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from django.utils.http import urlencode |
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from django.http import HttpResponseRedirect, HttpResponseBadRequest |
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from django.db.utils import IntegrityError |
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from django.contrib.auth.views import password_change |
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from django.core.exceptions import ValidationError |
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from astakos.im.models import AstakosUser, Invitation, ApprovalTerms |
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from astakos.im.activation_backends import get_backend, SimpleBackend |
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from astakos.im.util import get_context, prepare_response, set_cookie, get_query |
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from astakos.im.forms import * |
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from astakos.im.functions import send_greeting, send_feedback, SendMailError, \ |
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invite as invite_func, logout as auth_logout |
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from astakos.im.settings import DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, COOKIE_NAME, COOKIE_DOMAIN, IM_MODULES, SITENAME, LOGOUT_NEXT |
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logger = logging.getLogger(__name__) |
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def render_response(template, tab=None, status=200, reset_cookie=False, context_instance=None, **kwargs): |
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"""
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Calls ``django.template.loader.render_to_string`` with an additional ``tab``
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keyword argument and returns an ``django.http.HttpResponse`` with the
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specified ``status``.
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"""
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if tab is None: |
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tab = template.partition('_')[0].partition('.html')[0] |
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kwargs.setdefault('tab', tab)
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html = render_to_string(template, kwargs, context_instance=context_instance) |
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response = HttpResponse(html, status=status) |
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if reset_cookie:
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set_cookie(response, context_instance['request'].user)
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return response
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def requires_anonymous(func): |
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"""
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Decorator checkes whether the request.user is not Anonymous and in that case
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redirects to `logout`.
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"""
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@wraps(func)
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def wrapper(request, *args): |
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if not request.user.is_anonymous(): |
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next = urlencode({'next': request.build_absolute_uri()})
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logout_uri = reverse(logout) + '?' + next |
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return HttpResponseRedirect(logout_uri)
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return func(request, *args)
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return wrapper
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def signed_terms_required(func): |
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"""
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Decorator checkes whether the request.user is Anonymous and in that case
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redirects to `logout`.
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"""
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@wraps(func)
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def wrapper(request, *args, **kwargs): |
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if request.user.is_authenticated() and not request.user.signed_terms(): |
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params = urlencode({'next': request.build_absolute_uri(),
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'show_form':''}) |
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terms_uri = reverse('latest_terms') + '?' + params |
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return HttpResponseRedirect(terms_uri)
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return func(request, *args, **kwargs)
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return wrapper
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@signed_terms_required
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def index(request, login_template_name='im/login.html', profile_template_name='im/profile.html', extra_context={}): |
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"""
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If there is logged on user renders the profile page otherwise renders login page.
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**Arguments**
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``login_template_name``
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A custom login template to use. This is optional; if not specified,
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this will default to ``im/login.html``.
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``profile_template_name``
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A custom profile template to use. This is optional; if not specified,
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this will default to ``im/profile.html``.
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``extra_context``
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An dictionary of variables to add to the template context.
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**Template:**
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im/profile.html or im/login.html or ``template_name`` keyword argument.
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"""
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template_name = login_template_name |
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if request.user.is_authenticated():
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return HttpResponseRedirect(reverse('astakos.im.views.edit_profile')) |
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return render_response(template_name,
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login_form = LoginForm(request=request), |
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context_instance = get_context(request, extra_context)) |
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@login_required
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@signed_terms_required
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@transaction.commit_manually
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def invite(request, template_name='im/invitations.html', extra_context={}): |
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"""
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Allows a user to invite somebody else.
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In case of GET request renders a form for providing the invitee information.
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In case of POST checks whether the user has not run out of invitations and then
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sends an invitation email to singup to the service.
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The view uses commit_manually decorator in order to ensure the number of the
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user invitations is going to be updated only if the email has been successfully sent.
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If the user isn't logged in, redirects to settings.LOGIN_URL.
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**Arguments**
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``template_name``
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A custom template to use. This is optional; if not specified,
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this will default to ``im/invitations.html``.
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``extra_context``
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An dictionary of variables to add to the template context.
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**Template:**
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im/invitations.html or ``template_name`` keyword argument.
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**Settings:**
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The view expectes the following settings are defined:
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* LOGIN_URL: login uri
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* ASTAKOS_DEFAULT_CONTACT_EMAIL: service support email
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* ASTAKOS_DEFAULT_FROM_EMAIL: from email
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"""
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status = None
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message = None
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form = InvitationForm() |
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inviter = request.user |
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if request.method == 'POST': |
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form = InvitationForm(request.POST) |
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if inviter.invitations > 0: |
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if form.is_valid():
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try:
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invitation = form.save() |
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invite_func(invitation, inviter) |
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status = messages.SUCCESS |
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message = _('Invitation sent to %s' % invitation.username)
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except SendMailError, e:
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status = messages.ERROR |
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message = e.message |
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transaction.rollback() |
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except BaseException, e: |
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status = messages.ERROR |
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message = _('Something went wrong.')
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logger.exception(e) |
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transaction.rollback() |
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else:
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transaction.commit() |
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else:
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status = messages.ERROR |
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message = _('No invitations left')
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messages.add_message(request, status, message) |
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sent = [{'email': inv.username,
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'realname': inv.realname,
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'is_consumed': inv.is_consumed}
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for inv in request.user.invitations_sent.all()] |
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kwargs = {'inviter': inviter,
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'sent':sent}
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context = get_context(request, extra_context, **kwargs) |
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return render_response(template_name,
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invitation_form = form, |
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context_instance = context) |
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@login_required
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@signed_terms_required
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def edit_profile(request, template_name='im/profile.html', extra_context={}): |
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"""
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Allows a user to edit his/her profile.
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In case of GET request renders a form for displaying the user information.
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In case of POST updates the user informantion and redirects to ``next``
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url parameter if exists.
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If the user isn't logged in, redirects to settings.LOGIN_URL.
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**Arguments**
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``template_name``
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A custom template to use. This is optional; if not specified,
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this will default to ``im/profile.html``.
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``extra_context``
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An dictionary of variables to add to the template context.
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**Template:**
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im/profile.html or ``template_name`` keyword argument.
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**Settings:**
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The view expectes the following settings are defined:
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* LOGIN_URL: login uri
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"""
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form = ProfileForm(instance=request.user) |
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extra_context['next'] = request.GET.get('next') |
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reset_cookie = False
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if request.method == 'POST': |
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form = ProfileForm(request.POST, instance=request.user) |
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if form.is_valid():
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try:
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prev_token = request.user.auth_token |
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user = form.save() |
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reset_cookie = user.auth_token != prev_token |
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form = ProfileForm(instance=user) |
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next = request.POST.get('next')
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if next: |
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return redirect(next) |
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msg = _('Profile has been updated successfully')
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messages.add_message(request, messages.SUCCESS, msg) |
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except ValueError, ve: |
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messages.add_message(request, messages.ERROR, ve) |
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return render_response(template_name,
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reset_cookie = reset_cookie, |
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profile_form = form, |
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context_instance = get_context(request, |
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extra_context)) |
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def signup(request, template_name='im/signup.html', on_success='im/signup_complete.html', extra_context={}, backend=None): |
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"""
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Allows a user to create a local account.
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In case of GET request renders a form for providing the user information.
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In case of POST handles the signup.
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The user activation will be delegated to the backend specified by the ``backend`` keyword argument
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if present, otherwise to the ``astakos.im.activation_backends.InvitationBackend``
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if settings.ASTAKOS_INVITATIONS_ENABLED is True or ``astakos.im.activation_backends.SimpleBackend`` if not
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(see activation_backends);
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Upon successful user creation if ``next`` url parameter is present the user is redirected there
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otherwise renders the same page with a success message.
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On unsuccessful creation, renders ``template_name`` with an error message.
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**Arguments**
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``template_name``
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A custom template to render. This is optional;
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if not specified, this will default to ``im/signup.html``.
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``on_success``
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A custom template to render in case of success. This is optional;
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if not specified, this will default to ``im/signup_complete.html``.
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``extra_context``
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An dictionary of variables to add to the template context.
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**Template:**
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im/signup.html or ``template_name`` keyword argument.
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im/signup_complete.html or ``on_success`` keyword argument.
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"""
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if request.user.is_authenticated():
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return HttpResponseRedirect(reverse('astakos.im.views.index')) |
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provider = get_query(request).get('provider', 'local') |
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try:
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if not backend: |
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backend = get_backend(request) |
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form = backend.get_signup_form(provider) |
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except Exception, e: |
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form = SimpleBackend(request).get_signup_form(provider) |
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messages.add_message(request, messages.ERROR, e) |
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if request.method == 'POST': |
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if form.is_valid():
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user = form.save(commit=False)
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try:
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result = backend.handle_activation(user) |
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status = messages.SUCCESS |
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message = result.message |
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user.save() |
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if 'additional_email' in form.cleaned_data: |
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additional_email = form.cleaned_data['additional_email']
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if additional_email != user.email:
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user.additionalmail_set.create(email=additional_email) |
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if user and user.is_active: |
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next = request.POST.get('next', '') |
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return prepare_response(request, user, next=next) |
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messages.add_message(request, status, message) |
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return render_response(on_success,
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context_instance=get_context(request, extra_context)) |
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except SendMailError, e:
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status = messages.ERROR |
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message = e.message |
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messages.add_message(request, status, message) |
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except BaseException, e: |
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status = messages.ERROR |
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message = _('Something went wrong.')
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messages.add_message(request, status, message) |
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logger.exception(e) |
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return render_response(template_name,
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signup_form = form, |
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provider = provider, |
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context_instance=get_context(request, extra_context)) |
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@login_required
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@signed_terms_required
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def feedback(request, template_name='im/feedback.html', email_template_name='im/feedback_mail.txt', extra_context={}): |
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"""
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Allows a user to send feedback.
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In case of GET request renders a form for providing the feedback information.
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In case of POST sends an email to support team.
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If the user isn't logged in, redirects to settings.LOGIN_URL.
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**Arguments**
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``template_name``
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A custom template to use. This is optional; if not specified,
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this will default to ``im/feedback.html``.
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``extra_context``
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An dictionary of variables to add to the template context.
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**Template:**
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im/signup.html or ``template_name`` keyword argument.
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**Settings:**
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* LOGIN_URL: login uri
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* ASTAKOS_DEFAULT_CONTACT_EMAIL: List of feedback recipients
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"""
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if request.method == 'GET': |
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form = FeedbackForm() |
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if request.method == 'POST': |
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if not request.user: |
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return HttpResponse('Unauthorized', status=401) |
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form = FeedbackForm(request.POST) |
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if form.is_valid():
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msg = form.cleaned_data['feedback_msg']
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data = form.cleaned_data['feedback_data']
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try:
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send_feedback(msg, data, request.user, email_template_name) |
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except SendMailError, e:
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message = e.message |
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status = messages.ERROR |
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else:
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message = _('Feedback successfully sent')
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status = messages.SUCCESS |
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messages.add_message(request, status, message) |
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return render_response(template_name,
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feedback_form = form, |
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context_instance = get_context(request, extra_context)) |
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|
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def logout(request, template='registration/logged_out.html', extra_context={}): |
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"""
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Wraps `django.contrib.auth.logout` and delete the cookie.
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"""
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auth_logout(request) |
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response = HttpResponse() |
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response.delete_cookie(COOKIE_NAME, path='/', domain=COOKIE_DOMAIN)
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next = request.GET.get('next')
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if next: |
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response['Location'] = next |
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response.status_code = 302
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return response
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elif LOGOUT_NEXT:
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response['Location'] = LOGOUT_NEXT
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response.status_code = 301
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return response
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messages.add_message(request, messages.SUCCESS, _('You have successfully logged out.'))
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context = get_context(request, extra_context) |
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response.write(render_to_string(template, context_instance=context)) |
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return response
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|
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@transaction.commit_manually
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def activate(request, email_template_name='im/welcome_email.txt', on_failure='im/signup.html'): |
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"""
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Activates the user identified by the ``auth`` request parameter, sends a welcome email
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and renews the user token.
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|
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The view uses commit_manually decorator in order to ensure the user state will be updated
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only if the email will be send successfully.
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"""
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token = request.GET.get('auth')
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next = request.GET.get('next')
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try:
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user = AstakosUser.objects.get(auth_token=token) |
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except AstakosUser.DoesNotExist:
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return HttpResponseBadRequest(_('No such user')) |
441 |
|
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try:
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local_user = AstakosUser.objects.get(email=user.email, is_active=True)
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except AstakosUser.DoesNotExist:
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user.is_active = True
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user.email_verified = True
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try:
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user.save() |
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except ValidationError, e:
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return HttpResponseBadRequest(e)
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else:
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# switch the existing account to shibboleth one
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local_user.provider = 'shibboleth'
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local_user.set_unusable_password() |
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local_user.third_party_identifier = user.third_party_identifier |
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try:
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local_user.save() |
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except ValidationError, e:
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return HttpResponseBadRequest(e)
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user.delete() |
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user = local_user |
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|
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try:
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send_greeting(user, email_template_name) |
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response = prepare_response(request, user, next, renew=True) |
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transaction.commit() |
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return response
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except SendMailError, e:
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message = e.message |
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messages.add_message(request, messages.ERROR, message) |
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transaction.rollback() |
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return render_response(on_failure)
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except BaseException, e: |
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status = messages.ERROR |
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message = _('Something went wrong.')
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messages.add_message(request, messages.ERROR, message) |
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logger.exception(e) |
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transaction.rollback() |
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return signup(request, on_failure)
|
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|
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def approval_terms(request, term_id=None, template_name='im/approval_terms.html', extra_context={}): |
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term = None
|
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terms = None
|
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if not term_id: |
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try:
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term = ApprovalTerms.objects.order_by('-id')[0] |
487 |
except IndexError: |
488 |
pass
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else:
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try:
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term = ApprovalTerms.objects.get(id=term_id) |
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except ApprovalTermDoesNotExist, e:
|
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pass
|
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|
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if not term: |
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return HttpResponseRedirect(reverse('astakos.im.views.index')) |
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f = open(term.location, 'r') |
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terms = f.read() |
499 |
|
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if request.method == 'POST': |
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next = request.POST.get('next')
|
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if not next: |
503 |
next = reverse('astakos.im.views.index')
|
504 |
form = SignApprovalTermsForm(request.POST, instance=request.user) |
505 |
if not form.is_valid(): |
506 |
return render_response(template_name,
|
507 |
terms = terms, |
508 |
approval_terms_form = form, |
509 |
context_instance = get_context(request, extra_context)) |
510 |
user = form.save() |
511 |
return HttpResponseRedirect(next) |
512 |
else:
|
513 |
form = None
|
514 |
if request.user.is_authenticated() and not request.user.signed_terms(): |
515 |
form = SignApprovalTermsForm(instance=request.user) |
516 |
return render_response(template_name,
|
517 |
terms = terms, |
518 |
approval_terms_form = form, |
519 |
context_instance = get_context(request, extra_context)) |
520 |
|
521 |
@signed_terms_required
|
522 |
def change_password(request): |
523 |
return password_change(request, post_change_redirect=reverse('astakos.im.views.edit_profile')) |
524 |
|
525 |
@transaction.commit_manually
|
526 |
def change_email(request, activation_key=None, |
527 |
email_template_name='registration/email_change_email.txt',
|
528 |
form_template_name='registration/email_change_form.html',
|
529 |
confirm_template_name='registration/email_change_done.html',
|
530 |
extra_context={}): |
531 |
if activation_key:
|
532 |
try:
|
533 |
user = EmailChange.objects.change_email(activation_key) |
534 |
if request.user.is_authenticated() and request.user == user: |
535 |
msg = _('Email changed successfully.')
|
536 |
messages.add_message(request, messages.SUCCESS, msg) |
537 |
auth_logout(request) |
538 |
response = prepare_response(request, user) |
539 |
transaction.commit() |
540 |
return response
|
541 |
except ValueError, e: |
542 |
messages.add_message(request, messages.ERROR, e) |
543 |
return render_response(confirm_template_name,
|
544 |
modified_user = user if 'user' in locals() else None, |
545 |
context_instance = get_context(request, |
546 |
extra_context)) |
547 |
|
548 |
if not request.user.is_authenticated(): |
549 |
path = quote(request.get_full_path()) |
550 |
url = request.build_absolute_uri(reverse('astakos.im.views.index'))
|
551 |
return HttpResponseRedirect(url + '?next=' + path) |
552 |
form = EmailChangeForm(request.POST or None) |
553 |
if request.method == 'POST' and form.is_valid(): |
554 |
try:
|
555 |
ec = form.save(email_template_name, request) |
556 |
except SendMailError, e:
|
557 |
status = messages.ERROR |
558 |
msg = e |
559 |
transaction.rollback() |
560 |
except IntegrityError, e:
|
561 |
status = messages.ERROR |
562 |
msg = _('There is already a pending change email request.')
|
563 |
else:
|
564 |
status = messages.SUCCESS |
565 |
msg = _('Change email request has been registered succefully.\
|
566 |
You are going to receive a verification email in the new address.')
|
567 |
transaction.commit() |
568 |
messages.add_message(request, status, msg) |
569 |
return render_response(form_template_name,
|
570 |
form = form, |
571 |
context_instance = get_context(request, |
572 |
extra_context)) |