359 lines
12 KiB
Python
359 lines
12 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import uuid
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import datetime
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from webob import exc
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from mediagoblin import messages
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from mediagoblin import mg_globals
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from mediagoblin.tools.response import render_to_response, redirect, render_404
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from mediagoblin.tools.translate import pass_to_ugettext as _
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from mediagoblin.db.util import ObjectId, InvalidId
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from mediagoblin.auth import lib as auth_lib
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from mediagoblin.auth import forms as auth_forms
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from mediagoblin.auth.lib import send_verification_email, \
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send_fp_verification_email
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def email_debug_message(request):
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"""
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If the server is running in email debug mode (which is
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the current default), give a debug message to the user
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so that they have an idea where to find their email.
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"""
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if mg_globals.app_config['email_debug_mode']:
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# DEBUG message, no need to translate
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messages.add_message(request, messages.DEBUG,
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u"This instance is running in email debug mode. "
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u"The email will be on the console of the server process.")
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def register(request):
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"""
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Your classic registration view!
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"""
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# Redirects to indexpage if registrations are disabled
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if not mg_globals.app_config["allow_registration"]:
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messages.add_message(
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request,
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messages.WARNING,
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_('Sorry, registration is disabled on this instance.'))
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return redirect(request, "index")
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register_form = auth_forms.RegistrationForm(request.POST)
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if request.method == 'POST' and register_form.validate():
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# TODO: Make sure the user doesn't exist already
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username = unicode(request.POST['username'].lower())
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email = unicode(request.POST['email'].lower())
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users_with_username = request.db.User.find(
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{'username': username}).count()
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users_with_email = request.db.User.find(
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{'email': email}).count()
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extra_validation_passes = True
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if users_with_username:
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register_form.username.errors.append(
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_(u'Sorry, a user with that name already exists.'))
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extra_validation_passes = False
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if users_with_email:
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register_form.email.errors.append(
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_(u'Sorry, a user with that email address already exists.'))
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extra_validation_passes = False
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if extra_validation_passes:
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# Create the user
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user = request.db.User()
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user.username = username
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user.email = email
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user.pw_hash = auth_lib.bcrypt_gen_password_hash(
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request.POST['password'])
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user.verification_key = unicode(uuid.uuid4())
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user.save(validate=True)
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# log the user in
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request.session['user_id'] = unicode(user._id)
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request.session.save()
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# send verification email
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email_debug_message(request)
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send_verification_email(user, request)
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# redirect the user to their homepage... there will be a
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# message waiting for them to verify their email
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return redirect(
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request, 'mediagoblin.user_pages.user_home',
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user=user.username)
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return render_to_response(
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request,
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'mediagoblin/auth/register.html',
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{'register_form': register_form})
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def login(request):
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"""
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MediaGoblin login view.
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If you provide the POST with 'next', it'll redirect to that view.
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"""
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login_form = auth_forms.LoginForm(request.POST)
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login_failed = False
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if request.method == 'POST' and login_form.validate():
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user = request.db.User.one(
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{'username': request.POST['username'].lower()})
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if user and user.check_login(request.POST['password']):
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# set up login in session
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request.session['user_id'] = unicode(user._id)
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request.session.save()
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if request.POST.get('next'):
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return exc.HTTPFound(location=request.POST['next'])
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else:
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return redirect(request, "index")
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else:
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# Prevent detecting who's on this system by testing login
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# attempt timings
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auth_lib.fake_login_attempt()
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login_failed = True
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return render_to_response(
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request,
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'mediagoblin/auth/login.html',
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{'login_form': login_form,
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'next': request.GET.get('next') or request.POST.get('next'),
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'login_failed': login_failed,
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'allow_registration': mg_globals.app_config["allow_registration"]})
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def logout(request):
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# Maybe deleting the user_id parameter would be enough?
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request.session.delete()
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return redirect(request, "index")
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def verify_email(request):
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"""
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Email verification view
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validates GET parameters against database and unlocks the user account, if
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you are lucky :)
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"""
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# If we don't have userid and token parameters, we can't do anything; 404
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if not 'userid' in request.GET or not 'token' in request.GET:
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return render_404(request)
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user = request.db.User.find_one(
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{'_id': ObjectId(unicode(request.GET['userid']))})
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if user and user.verification_key == unicode(request.GET['token']):
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user.status = u'active'
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user.email_verified = True
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user.verification_key = None
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user.save()
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messages.add_message(
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request,
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messages.SUCCESS,
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_("Your email address has been verified. "
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"You may now login, edit your profile, and submit images!"))
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else:
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messages.add_message(
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request,
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messages.ERROR,
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_('The verification key or user id is incorrect'))
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return redirect(
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request, 'mediagoblin.user_pages.user_home',
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user=user.username)
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def resend_activation(request):
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"""
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The reactivation view
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Resend the activation email.
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"""
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if request.user is None:
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messages.add_message(
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request,
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messages.ERROR,
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_('You must be logged in so we know who to send the email to!'))
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return redirect(request, 'mediagoblin.auth.login')
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if request.user["email_verified"]:
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messages.add_message(
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request,
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messages.ERROR,
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_("You've already verified your email address!"))
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return redirect(request, "mediagoblin.user_pages.user_home", user=request.user['username'])
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request.user.verification_key = unicode(uuid.uuid4())
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request.user.save()
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email_debug_message(request)
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send_verification_email(request.user, request)
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messages.add_message(
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request,
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messages.INFO,
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_('Resent your verification email.'))
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return redirect(
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request, 'mediagoblin.user_pages.user_home',
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user=request.user.username)
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def forgot_password(request):
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"""
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Forgot password view
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Sends an email with an url to renew forgotten password
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"""
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fp_form = auth_forms.ForgotPassForm(request.POST)
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if request.method == 'POST' and fp_form.validate():
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# '$or' not available till mongodb 1.5.3
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user = request.db.User.find_one(
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{'username': request.POST['username']})
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if not user:
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user = request.db.User.find_one(
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{'email': request.POST['username']})
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if user:
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if user.email_verified and user.status == 'active':
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user.fp_verification_key = unicode(uuid.uuid4())
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user.fp_token_expire = datetime.datetime.now() + \
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datetime.timedelta(days=10)
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user.save()
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send_fp_verification_email(user, request)
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messages.add_message(
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request,
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messages.INFO,
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_("An email has been sent with instructions on how to "
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"change your password."))
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email_debug_message(request)
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else:
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# special case... we can't send the email because the
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# username is inactive / hasn't verified their email
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messages.add_message(
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request,
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messages.WARNING,
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_("Could not send password recovery email as "
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"your username is inactive or your account's "
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"email address has not been verified."))
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return redirect(
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request, 'mediagoblin.user_pages.user_home',
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user=user.username)
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return redirect(request, 'mediagoblin.auth.login')
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else:
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messages.add_message(
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request,
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messages.WARNING,
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_("Couldn't find someone with that username or email."))
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return redirect(request, 'mediagoblin.auth.forgot_password')
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return render_to_response(
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request,
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'mediagoblin/auth/forgot_password.html',
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{'fp_form': fp_form})
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def verify_forgot_password(request):
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"""
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Check the forgot-password verification and possibly let the user
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change their password because of it.
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"""
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# get form data variables, and specifically check for presence of token
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formdata = _process_for_token(request)
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if not formdata['has_userid_and_token']:
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return render_404(request)
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formdata_token = formdata['vars']['token']
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formdata_userid = formdata['vars']['userid']
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formdata_vars = formdata['vars']
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# check if it's a valid Id
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try:
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user = request.db.User.find_one(
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{'_id': ObjectId(unicode(formdata_userid))})
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except InvalidId:
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return render_404(request)
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# check if we have a real user and correct token
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if ((user and user.fp_verification_key and
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user.fp_verification_key == unicode(formdata_token) and
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datetime.datetime.now() < user.fp_token_expire
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and user.email_verified and user.status == 'active')):
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cp_form = auth_forms.ChangePassForm(formdata_vars)
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if request.method == 'POST' and cp_form.validate():
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user.pw_hash = auth_lib.bcrypt_gen_password_hash(
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request.POST['password'])
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user.fp_verification_key = None
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user.fp_token_expire = None
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user.save()
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return redirect(request, 'mediagoblin.auth.fp_changed_success')
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else:
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return render_to_response(
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request,
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'mediagoblin/auth/change_fp.html',
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{'cp_form': cp_form})
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# in case there is a valid id but no user whit that id in the db
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# or the token expired
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else:
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return render_404(request)
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def _process_for_token(request):
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"""
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Checks for tokens in formdata without prior knowledge of request method
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For now, returns whether the userid and token formdata variables exist, and
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the formdata variables in a hash. Perhaps an object is warranted?
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"""
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# retrieve the formdata variables
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if request.method == 'GET':
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formdata_vars = request.GET
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else:
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formdata_vars = request.POST
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formdata = {
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'vars': formdata_vars,
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'has_userid_and_token':
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'userid' in formdata_vars and 'token' in formdata_vars}
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return formdata
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