from urlparse import urljoin
from werkzeug.exceptions import Forbidden, NotFound
-from werkzeug.urls import url_quote
+from oauthlib.oauth1 import ResourceEndpoint
from mediagoblin import mg_globals as mgg
-from mediagoblin.db.models import MediaEntry, User
-from mediagoblin.tools.response import redirect, render_404
+from mediagoblin import messages
+from mediagoblin.db.models import MediaEntry, User, MediaComment
+from mediagoblin.tools.response import (
+ redirect, render_404,
+ render_user_banned, json_response)
+from mediagoblin.tools.translate import pass_to_ugettext as _
+
+from mediagoblin.oauth.tools.request import decode_authorization_header
+from mediagoblin.oauth.oauth import GMGRequestValidator
+
+
+def user_not_banned(controller):
+ """
+ Requires that the user has not been banned. Otherwise redirects to the page
+ explaining why they have been banned
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ if request.user:
+ if request.user.is_banned():
+ return render_user_banned(request)
+ return controller(request, *args, **kwargs)
+
+ return wrapper
def require_active_login(controller):
"""
- Require an active login from the user.
+ Require an active login from the user. If the user is banned, redirects to
+ the "You are Banned" page.
"""
@wraps(controller)
+ @user_not_banned
def new_controller_func(request, *args, **kwargs):
if request.user and \
- request.user.status == u'needs_email_verification':
+ not request.user.has_privilege(u'active'):
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=request.user.username)
- elif not request.user or request.user.status != u'active':
+ elif not request.user or not request.user.has_privilege(u'active'):
next_url = urljoin(
request.urlgen('mediagoblin.auth.login',
qualified=True),
return new_controller_func
+
+def user_has_privilege(privilege_name):
+ """
+ Requires that a user have a particular privilege in order to access a page.
+ In order to require that a user have multiple privileges, use this
+ decorator twice on the same view. This decorator also makes sure that the
+ user is not banned, or else it redirects them to the "You are Banned" page.
+
+ :param privilege_name A unicode object that is that represents
+ the privilege object. This object is
+ the name of the privilege, as assigned
+ in the Privilege.privilege_name column
+ """
+
+ def user_has_privilege_decorator(controller):
+ @wraps(controller)
+ @require_active_login
+ def wrapper(request, *args, **kwargs):
+ user_id = request.user.id
+ if not request.user.has_privilege(privilege_name):
+ raise Forbidden()
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper
+ return user_has_privilege_decorator
+
+
def active_user_from_url(controller):
"""Retrieve User() from <user> URL pattern and pass in as url_user=...
@wraps(controller)
def wrapper(request, *args, **kwargs):
uploader_id = kwargs['media'].uploader
- if not (request.user.is_admin or
+ if not (request.user.has_privilege(u'admin') or
request.user.id == uploader_id):
raise Forbidden()
"""
@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
+ creator_id = request.db.User.query.filter_by(
+ username=request.matchdict['user']).first().id
+ if not (request.user.has_privilege(u'admin') or
request.user.id == creator_id):
raise Forbidden()
"""
@wraps(controller)
def wrapper(request, *args, **kwargs):
- user = request.db.User.find_one(
- {'username': request.matchdict['user']})
+ user = request.db.User.query.filter_by(
+ username=request.matchdict['user']).first()
if not user:
return render_404(request)
- collection = request.db.Collection.find_one(
- {'slug': request.matchdict['collection'],
- 'creator': user.id})
+ collection = request.db.Collection.query.filter_by(
+ slug=request.matchdict['collection'],
+ creator=user.id).first()
# Still no collection? Okay, 404.
if not collection:
"""
@wraps(controller)
def wrapper(request, *args, **kwargs):
- user = request.db.User.find_one(
- {'username': request.matchdict['user']})
+ user = request.db.User.query.filter_by(
+ username=request.matchdict['user']).first()
if not user:
return render_404(request)
- collection_item = request.db.CollectionItem.find_one(
- {'id': request.matchdict['collection_item'] })
+ collection_item = request.db.CollectionItem.query.filter_by(
+ id=request.matchdict['collection_item']).first()
# Still no collection item? Okay, 404.
if not collection_item:
return func(*args, workbench=workbench, **kwargs)
return new_func
+
+
+def allow_registration(controller):
+ """ Decorator for if registration is enabled"""
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ if not mgg.app_config["allow_registration"]:
+ messages.add_message(
+ request,
+ messages.WARNING,
+ _('Sorry, registration is disabled on this instance.'))
+ return redirect(request, "index")
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper
+
+def allow_reporting(controller):
+ """ Decorator for if reporting is enabled"""
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ if not mgg.app_config["allow_reporting"]:
+ messages.add_message(
+ request,
+ messages.WARNING,
+ _('Sorry, reporting is disabled on this instance.'))
+ return redirect(request, 'index')
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper
+
+def get_optional_media_comment_by_id(controller):
+ """
+ Pass in a MediaComment based off of a url component. Because of this decor-
+ -ator's use in filing Media or Comment Reports, it has two valid outcomes.
+
+ :returns The view function being wrapped with kwarg `comment` set to
+ the MediaComment who's id is in the URL. If there is a
+ comment id in the URL and if it is valid.
+ :returns The view function being wrapped with kwarg `comment` set to
+ None. If there is no comment id in the URL.
+ :returns A 404 Error page, if there is a comment if in the URL and it
+ is invalid.
+ """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ if 'comment' in request.matchdict:
+ comment = MediaComment.query.filter_by(
+ id=request.matchdict['comment']).first()
+
+ if comment is None:
+ return render_404(request)
+
+ return controller(request, comment=comment, *args, **kwargs)
+ else:
+ return controller(request, comment=None, *args, **kwargs)
+ return wrapper
+
+
+def auth_enabled(controller):
+ """Decorator for if an auth plugin is enabled"""
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ if not mgg.app.auth:
+ messages.add_message(
+ request,
+ messages.WARNING,
+ _('Sorry, authentication is disabled on this instance.'))
+ return redirect(request, 'index')
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper
+
+def require_admin_or_moderator_login(controller):
+ """
+ Require a login from an administrator or a moderator.
+ """
+ @wraps(controller)
+ def new_controller_func(request, *args, **kwargs):
+ if request.user and \
+ not request.user.has_privilege(u'admin',u'moderator'):
+
+ raise Forbidden()
+ elif not request.user:
+ next_url = urljoin(
+ request.urlgen('mediagoblin.auth.login',
+ qualified=True),
+ request.url)
+
+ return redirect(request, 'mediagoblin.auth.login',
+ next=next_url)
+
+ return controller(request, *args, **kwargs)
+
+ return new_controller_func
+
+
+
+def oauth_required(controller):
+ """ Used to wrap API endpoints where oauth is required """
+ @wraps(controller)
+ def wrapper(request, *args, **kwargs):
+ data = request.headers
+ authorization = decode_authorization_header(data)
+
+ if authorization == dict():
+ error = "Missing required parameter."
+ return json_response({"error": error}, status=400)
+
+
+ request_validator = GMGRequestValidator()
+ resource_endpoint = ResourceEndpoint(request_validator)
+ valid, request = resource_endpoint.validate_protected_resource_request(
+ uri=request.url,
+ http_method=request.method,
+ body=request.get_data(),
+ headers=dict(request.headers),
+ )
+
+ if not valid:
+ error = "Invalid oauth prarameter."
+ return json_response({"error": error}, status=400)
+
+ return controller(request, *args, **kwargs)
+
+ return wrapper