166 lines
6.3 KiB
Python
166 lines
6.3 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011, 2012 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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import forms as auth_forms
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from mediagoblin.tools.response import render_to_response, redirect, render_404
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from mediagoblin.db.models import User
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from mediagoblin.tools.translate import pass_to_ugettext as _
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from mediagoblin import messages
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from mediagoblin.auth.views import email_debug_message
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from mediagoblin.auth.lib import send_fp_verification_email
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from mediagoblin.auth import lib as auth_lib
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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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Use GET querystring parameter 'username' to pre-populate the input field
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"""
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fp_form = auth_forms.ForgotPassForm(request.form,
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username=request.args.get('username'))
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if not (request.method == 'POST' and fp_form.validate()):
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# Either GET request, or invalid form submitted. Display the template
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return render_to_response(request,
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'mediagoblin/plugins/basic_auth/forgot_password.html', {'fp_form': fp_form})
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# If we are here: method == POST and form is valid. username casing
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# has been sanitized. Store if a user was found by email. We should
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# not reveal if the operation was successful then as we don't want to
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# leak if an email address exists in the system.
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found_by_email = '@' in fp_form.username.data
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if found_by_email:
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user = User.query.filter_by(
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email=fp_form.username.data).first()
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# Don't reveal success in case the lookup happened by email address.
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success_message = _("If that email address (case sensitive!) is "
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"registered an email has been sent with "
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"instructions on how to change your password.")
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else: # found by username
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user = User.query.filter_by(
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username=fp_form.username.data).first()
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if user is None:
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messages.add_message(request,
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messages.WARNING,
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_("Couldn't find someone with that username."))
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return redirect(request, 'mediagoblin.auth.forgot_password')
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success_message = _("An email has been sent with instructions "
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"on how to change your password.")
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if user and not(user.email_verified and user.status == 'active'):
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# Don't send reminder because user is inactive or has no verified email
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messages.add_message(request,
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messages.WARNING,
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_("Could not send password recovery email as your username is in"
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"active or your account's email address has not been verified."))
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return redirect(request, 'mediagoblin.user_pages.user_home',
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user=user.username)
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# SUCCESS. Send reminder and return to login page
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if user:
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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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email_debug_message(request)
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send_fp_verification_email(user, request)
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messages.add_message(request, messages.INFO, success_message)
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return redirect(request, 'mediagoblin.auth.login')
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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 user id
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user = User.query.filter_by(id=formdata_userid).first()
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if not user:
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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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cp_form.password.data)
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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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messages.add_message(
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request,
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messages.INFO,
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_("You can now log in using your new password."))
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return redirect(request, 'mediagoblin.auth.login')
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else:
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return render_to_response(
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request,
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'mediagoblin/plugins/basic_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 with 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.form
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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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