118 lines
3.6 KiB
Python
118 lines
3.6 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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'''
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For references, see docstring in mediagoblin/webfinger/__init__.py
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'''
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import re
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from urlparse import urlparse
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from mediagoblin.tools.response import render_to_response, render_404
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def host_meta(request):
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'''
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Webfinger host-meta
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'''
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placeholder = 'MG_LRDD_PLACEHOLDER'
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lrdd_title = 'GNU MediaGoblin - User lookup'
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lrdd_template = request.urlgen(
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'mediagoblin.webfinger.xrd',
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uri=placeholder,
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qualified=True)
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return render_to_response(
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request,
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'mediagoblin/webfinger/host-meta.xml',
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{'request': request,
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'lrdd_template': lrdd_template,
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'lrdd_title': lrdd_title,
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'placeholder': placeholder})
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MATCH_SCHEME_PATTERN = re.compile(r'^acct:')
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def xrd(request):
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'''
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Find user data based on a webfinger URI
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'''
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param_uri = request.GET.get('uri')
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if not param_uri:
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return render_404(request)
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'''
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:py:module:`urlparse` does not recognize usernames in URIs of the
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form ``acct:user@example.org`` or ``user@example.org``.
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'''
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if not MATCH_SCHEME_PATTERN.search(param_uri):
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# Assume the URI is in the form ``user@example.org``
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uri = 'acct://' + param_uri
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else:
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# Assumes the URI looks like ``acct:user@example.org
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uri = MATCH_SCHEME_PATTERN.sub(
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'acct://', param_uri)
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parsed = urlparse(uri)
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xrd_subject = param_uri
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# TODO: Verify that the user exists
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# Q: Does webfinger support error handling in this case?
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# Returning 404 seems intuitive, need to check.
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if parsed.username:
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# The user object
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# TODO: Fetch from database instead of using the MockUser
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user = MockUser()
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user.username = parsed.username
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xrd_links = [
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{'attrs': {
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'rel': 'http://microformats.org/profile/hcard',
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'href': request.urlgen(
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'mediagoblin.user_pages.user_home',
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user=user.username,
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qualified=True)}},
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{'attrs': {
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'rel': 'http://schemas.google.com/g/2010#updates-from',
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'href': request.urlgen(
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'mediagoblin.user_pages.atom_feed',
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user=user.username,
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qualified=True)}}]
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xrd_alias = request.urlgen(
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'mediagoblin.user_pages.user_home',
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user=user.username,
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qualified=True)
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return render_to_response(
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request,
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'mediagoblin/webfinger/xrd.xml',
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{'request': request,
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'subject': xrd_subject,
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'alias': xrd_alias,
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'links': xrd_links })
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else:
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return render_404(request)
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class MockUser(object):
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'''
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TEMPORARY user object
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'''
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username = None
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