# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 Free Software Foundation, Inc
+# 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
# 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 functools import wraps
-from webob import exc
+from urlparse import urljoin
+from urllib import urlencode
+from webob import exc
-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
+from mediagoblin.db.util import ObjectId, InvalidId
+from mediagoblin.tools.response import redirect, render_404
def require_active_login(controller):
"""
Require an active login from the user.
"""
+ @wraps(controller)
def new_controller_func(request, *args, **kwargs):
- if not request.user or not request.user.get('status') == u'active':
- # TODO: Indicate to the user that they were redirected
- # here because an *active* user is required.
+ 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':
+ next_url = urljoin(
+ request.urlgen('mediagoblin.auth.login',
+ qualified=True),
+ request.url)
+
return exc.HTTPFound(
- location="%s?next=%s" % (
- request.urlgen("mediagoblin.auth.login"),
- request.path_info))
+ location='?'.join([
+ request.urlgen('mediagoblin.auth.login'),
+ urlencode({
+ 'next': next_url})]))
+
+ return controller(request, *args, **kwargs)
+
+ return new_controller_func
+
+
+def user_may_delete_media(controller):
+ """
+ Require user ownership of the MediaEntry to delete.
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ uploader_id = request.db.MediaEntry.find_one(
+ {'_id': ObjectId(request.matchdict['media'])}).uploader
+ if not (request.user.is_admin or
+ request.user._id == uploader_id):
+ return exc.HTTPForbidden()
return controller(request, *args, **kwargs)
- return _make_safe(new_controller_func, controller)
+ return wrapper
+
+
+def user_may_alter_collection(controller):
+ """
+ Require user ownership of the Collection to modify.
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ creator_id = request.db.User.find_one(
+ {'username': request.matchdict['user']}).id
+ if not (request.user.is_admin or
+ request.user._id == creator_id):
+ return exc.HTTPForbidden()
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper
def uses_pagination(controller):
"""
Check request GET 'page' key for wrong values
"""
+ @wraps(controller)
def wrapper(request, *args, **kwargs):
try:
- page = int(request.str_GET['page'])
+ page = int(request.GET.get('page', 1))
if page < 0:
- return exc.HTTPNotFound()
+ return render_404(request)
except ValueError:
- return exc.HTTPNotFound()
- except KeyError:
- request.str_GET['page'] = 1
+ return render_404(request)
+
+ return controller(request, page=page, *args, **kwargs)
+
+ return wrapper
+
+
+def get_user_media_entry(controller):
+ """
+ Pass in a MediaEntry based off of a url component
+ """
+ @wraps(controller)
+ 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': u'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': u'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 wrapper
+
+
+def get_user_collection(controller):
+ """
+ Pass in a Collection based off of a url component
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ user = request.db.User.find_one(
+ {'username': request.matchdict['user']})
+
+ if not user:
+ return render_404(request)
+
+ collection = request.db.Collection.find_one(
+ {'slug': request.matchdict['collection'],
+ 'creator': user._id})
+
+ # Still no collection? Okay, 404.
+ if not collection:
+ return render_404(request)
+
+ return controller(request, collection=collection, *args, **kwargs)
+
+ return wrapper
+
+
+def get_user_collection_item(controller):
+ """
+ Pass in a CollectionItem based off of a url component
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ user = request.db.User.find_one(
+ {'username': request.matchdict['user']})
+
+ if not user:
+ return render_404(request)
+
+ collection = request.db.Collection.find_one(
+ {'slug': request.matchdict['collection'],
+ 'creator': user._id})
+
+ collection_item = request.db.CollectionItem.find_one(
+ {'_id': request.matchdict['collection_item'] })
+
+ # Still no collection item? Okay, 404.
+ if not collection_item:
+ return render_404(request)
+
+ return controller(request, collection_item=collection_item, *args, **kwargs)
+
+ return wrapper
+
+
+def get_media_entry_by_id(controller):
+ """
+ Pass in a MediaEntry based off of a url component
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ try:
+ media = request.db.MediaEntry.find_one(
+ {'_id': ObjectId(request.matchdict['media']),
+ 'state': u'processed'})
+ except InvalidId:
+ return render_404(request)
+
+ # Still no media? Okay, 404.
+ if not media:
+ return render_404(request)
- return controller(request, *args, **kwargs)
+ return controller(request, media=media, *args, **kwargs)
- return _make_safe(wrapper,controller)
+ return wrapper
projects / mediagoblin.git / blobdiff