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# GNU MediaGoblin -- federated, autonomous media hosting
# 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
# 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/>.
'''
For references, see docstring in mediagoblin/webfinger/__init__.py
'''
import re
from six.moves.urllib.parse import urlparse
from mediagoblin.tools.response import render_to_response, render_404
def host_meta(request):
'''
Webfinger host-meta
'''
placeholder = 'MG_LRDD_PLACEHOLDER'
lrdd_title = 'GNU MediaGoblin - User lookup'
lrdd_template = request.urlgen(
'mediagoblin.webfinger.xrd',
uri=placeholder,
qualified=True)
return render_to_response(
request,
'mediagoblin/webfinger/host-meta.xml',
{'request': request,
'lrdd_template': lrdd_template,
'lrdd_title': lrdd_title,
'placeholder': placeholder})
MATCH_SCHEME_PATTERN = re.compile(r'^acct:')
def xrd(request):
'''
Find user data based on a webfinger URI
'''
param_uri = request.GET.get('uri')
if not param_uri:
return render_404(request)
'''
:py:module:`urlparse` does not recognize usernames in URIs of the
form ``acct:user@example.org`` or ``user@example.org``.
'''
if not MATCH_SCHEME_PATTERN.search(param_uri):
# Assume the URI is in the form ``user@example.org``
uri = 'acct://' + param_uri
else:
# Assumes the URI looks like ``acct:user@example.org
uri = MATCH_SCHEME_PATTERN.sub(
'acct://', param_uri)
parsed = urlparse(uri)
xrd_subject = param_uri
# TODO: Verify that the user exists
# Q: Does webfinger support error handling in this case?
# Returning 404 seems intuitive, need to check.
if parsed.username:
# The user object
# TODO: Fetch from database instead of using the MockUser
user = MockUser()
user.username = parsed.username
xrd_links = [
{'attrs': {
'rel': 'http://microformats.org/profile/hcard',
'href': request.urlgen(
'mediagoblin.user_pages.user_home',
user=user.username,
qualified=True)}},
{'attrs': {
'rel': 'http://schemas.google.com/g/2010#updates-from',
'href': request.urlgen(
'mediagoblin.user_pages.atom_feed',
user=user.username,
qualified=True)}}]
xrd_alias = request.urlgen(
'mediagoblin.user_pages.user_home',
user=user.username,
qualified=True)
return render_to_response(
request,
'mediagoblin/webfinger/xrd.xml',
{'request': request,
'subject': xrd_subject,
'alias': xrd_alias,
'links': xrd_links })
else:
return render_404(request)
class MockUser(object):
'''
TEMPORARY user object
'''
username = None
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