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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import six
from itsdangerous import BadSignature
from mediagoblin import messages, mg_globals
from mediagoblin.db.models import User, Privilege
from mediagoblin.tools.crypto import get_timed_signer_url
from mediagoblin.decorators import auth_enabled, allow_registration
from mediagoblin.tools.response import render_to_response, redirect, render_404
from mediagoblin.tools.translate import pass_to_ugettext as _
from mediagoblin.tools.mail import email_debug_message
from mediagoblin.tools.pluginapi import hook_handle
from mediagoblin.auth.tools import (send_verification_email, register_user,
check_login_simple)
_log = logging.getLogger(__name__)
@allow_registration
@auth_enabled
def register(request):
"""The registration view.
Note that usernames will always be lowercased. Email domains are lowercased while
the first part remains case-sensitive.
"""
if 'pass_auth' not in request.template_env.globals:
redirect_name = hook_handle('auth_no_pass_redirect')
if redirect_name:
return redirect(request, 'mediagoblin.plugins.{0}.register'.format(
redirect_name))
else:
return redirect(request, 'index')
register_form = hook_handle("auth_get_registration_form", request)
if request.method == 'POST' and register_form.validate():
# TODO: Make sure the user doesn't exist already
user = register_user(request, register_form)
if user:
# redirect the user to their homepage... there will be a
# message waiting for them to verify their email
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=user.username)
return render_to_response(
request,
'mediagoblin/auth/register.html',
{'register_form': register_form,
'post_url': request.urlgen('mediagoblin.auth.register')})
@auth_enabled
def login(request):
"""
MediaGoblin login view.
If you provide the POST with 'next', it'll redirect to that view.
"""
if 'pass_auth' not in request.template_env.globals:
redirect_name = hook_handle('auth_no_pass_redirect')
if redirect_name:
return redirect(request, 'mediagoblin.plugins.{0}.login'.format(
redirect_name))
else:
return redirect(request, 'index')
login_form = hook_handle("auth_get_login_form", request)
login_failed = False
if request.method == 'POST':
if login_form.validate():
user = check_login_simple(
login_form.username.data,
login_form.password.data)
if user:
# set up login in session
if login_form.stay_logged_in.data:
request.session['stay_logged_in'] = True
request.session['user_id'] = six.text_type(user.id)
request.session.save()
if request.form.get('next'):
return redirect(request, location=request.form['next'])
else:
return redirect(request, "index")
login_failed = True
remote_addr = (request.access_route and request.access_route[-1]
or request.remote_addr)
_log.warn("Failed login attempt from %r", remote_addr)
return render_to_response(
request,
'mediagoblin/auth/login.html',
{'login_form': login_form,
'next': request.GET.get('next') or request.form.get('next'),
'login_failed': login_failed,
'post_url': request.urlgen('mediagoblin.auth.login'),
'allow_registration': mg_globals.app_config["allow_registration"]})
def logout(request):
# Maybe deleting the user_id parameter would be enough?
request.session.delete()
return redirect(request, "index")
def verify_email(request):
"""
Email verification view
validates GET parameters against database and unlocks the user account, if
you are lucky :)
"""
# If we don't have userid and token parameters, we can't do anything; 404
if not 'token' in request.GET:
return render_404(request)
# Catch error if token is faked or expired
try:
token = get_timed_signer_url("mail_verification_token") \
.loads(request.GET['token'], max_age=10*24*3600)
except BadSignature:
messages.add_message(
request,
messages.ERROR,
_('The verification key or user id is incorrect.'))
return redirect(
request,
'index')
user = User.query.filter_by(id=int(token)).first()
if user and user.has_privilege(u'active') is False:
user.verification_key = None
user.all_privileges.append(
Privilege.query.filter(
Privilege.privilege_name==u'active').first())
user.save()
messages.add_message(
request,
messages.SUCCESS,
_("Your email address has been verified. "
"You may now login, edit your profile, and submit images!"))
else:
messages.add_message(
request,
messages.ERROR,
_('The verification key or user id is incorrect'))
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=user.username)
def resend_activation(request):
"""
The reactivation view
Resend the activation email.
"""
if request.user is None:
messages.add_message(
request,
messages.ERROR,
_('You must be logged in so we know who to send the email to!'))
return redirect(request, 'mediagoblin.auth.login')
if request.user.has_privilege(u'active'):
messages.add_message(
request,
messages.ERROR,
_("You've already verified your email address!"))
return redirect(request, "mediagoblin.user_pages.user_home", user=request.user.username)
email_debug_message(request)
send_verification_email(request.user, request)
messages.add_message(
request,
messages.INFO,
_('Resent your verification email.'))
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=request.user.username)
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