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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011 Free Software Foundation, Inc
#
# 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/>.
from webob import exc
from mediagoblin.util import redirect, render_404
from mediagoblin.db.util import ObjectId, InvalidId
def _make_safe(decorator, original):
"""
Copy the function data from the old function to the decorator.
"""
decorator.__name__ = original.__name__
decorator.__dict__ = original.__dict__
decorator.__doc__ = original.__doc__
return decorator
def require_active_login(controller):
"""
Require an active login from the user.
"""
def new_controller_func(request, *args, **kwargs):
if request.user and \
request.user.get('status') == u'needs_email_verification':
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=request.user['username'])
elif not request.user or request.user.get('status') != u'active':
return exc.HTTPFound(
location="%s?next=%s" % (
request.urlgen("mediagoblin.auth.login"),
request.path_info))
return controller(request, *args, **kwargs)
return _make_safe(new_controller_func, controller)
def uses_pagination(controller):
"""
Check request GET 'page' key for wrong values
"""
def wrapper(request, *args, **kwargs):
try:
page = int(request.GET.get('page', 1))
if page < 0:
return render_404(request)
except ValueError:
return render_404(request)
return controller(request, page=page, *args, **kwargs)
return _make_safe(wrapper, controller)
def get_user_media_entry(controller):
"""
Pass in a MediaEntry based off of a url component
"""
def wrapper(request, *args, **kwargs):
user = request.db.User.find_one(
{'username': request.matchdict['user']})
if not user:
return render_404(request)
media = request.db.MediaEntry.find_one(
{'slug': request.matchdict['media'],
'state': 'processed',
'uploader': user['_id']})
# no media via slug? Grab it via ObjectId
if not media:
try:
media = request.db.MediaEntry.find_one(
{'_id': ObjectId(request.matchdict['media']),
'state': 'processed',
'uploader': user['_id']})
except InvalidId:
return render_404(request)
# Still no media? Okay, 404.
if not media:
return render_404(request)
return controller(request, media=media, *args, **kwargs)
return _make_safe(wrapper, controller)
def get_media_entry_by_id(controller):
"""
Pass in a MediaEntry based off of a url component
"""
def wrapper(request, *args, **kwargs):
try:
media = request.db.MediaEntry.find_one(
{'_id': ObjectId(request.matchdict['media']),
'state': 'processed'})
except InvalidId:
return render_404(request)
# Still no media? Okay, 404.
if not media:
return render_404(request)
return controller(request, media=media, *args, **kwargs)
return _make_safe(wrapper, controller)
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