def add_file(self, f, entity, nanopub):
entity = rdflib.URIRef(entity)
old_nanopubs = []
for np_uri, np_assertion, in self.db.query('''select distinct ?np ?assertion where {
hint:Query hint:optimizer "Runtime" .
graph ?assertion {?e whyis:hasFileID ?fileid}
?np np:hasAssertion ?assertion.
}''', initNs=NS.prefixes, initBindings=dict(e=rdflib.URIRef(entity))):
if not self._can_edit(np_uri):
raise Unauthorized()
old_nanopubs.append((np_uri, np_assertion))
fileid = self.file_depot.create(f.stream, f.filename, f.mimetype)
nanopub.add((nanopub.identifier, NS.sio.isAbout, entity))
nanopub.assertion.add((entity, NS.whyis.hasFileID, Literal(fileid)))
if current_user._get_current_object() is not None and hasattr(current_user, 'identifier'):
nanopub.assertion.add((entity, NS.dc.contributor, current_user.identifier))
nanopub.assertion.add((entity, NS.dc.created, Literal(datetime.utcnow())))
nanopub.assertion.add((entity, NS.ov.hasContentType, Literal(f.mimetype)))
nanopub.assertion.add((entity, NS.RDF.type, NS.mediaTypes[f.mimetype]))
nanopub.assertion.add((NS.mediaTypes[f.mimetype], NS.RDF.type, NS.dc.FileFormat))
nanopub.assertion.add((entity, NS.RDF.type, NS.mediaTypes[f.mimetype.split('/')[0]]))
nanopub.assertion.add((NS.mediaTypes[f.mimetype.split('/')[0]], NS.RDF.type, NS.dc.FileFormat))
nanopub.assertion.add((entity, NS.RDF.type, NS.pv.File))
if current_user._get_current_object() is not None and hasattr(current_user, 'identifier'):
nanopub.pubinfo.add((nanopub.assertion.identifier, NS.dc.contributor, current_user.identifier))
nanopub.pubinfo.add((nanopub.assertion.identifier, NS.dc.created, Literal(datetime.utcnow())))
return old_nanopubs
def _can_edit(self, uri):
if self.managed:
return True
if current_user._get_current_object() is None:
# This isn't null even when not authenticated, unless we are an autonomic agent.
return True
if not hasattr(current_user, 'identifier'): # This is an anonymous user.
return False
if current_user.has_role('Publisher') or current_user.has_role('Editor') or current_user.has_role('Admin'):
return True
if self.db.query('''ask {
?nanopub np:hasAssertion ?assertion; np:hasPublicationInfo ?info.
graph ?info { ?assertion dc:contributor ?user. }
}''', initBindings=dict(nanopub=uri, user=current_user.identifier), initNs=dict(np=self.NS.np, dc=self.NS.dc)):
#print "Is owner."
return True
return False
def signup():
user_object = user_signup_schema.load(request.json)
if user_object.errors:
return BadRequest(message=user_object.errors)
check_user = User.query.filter(User.username == user_object.data['username']).first()
if check_user:
return BadRequest(message='user exist')
if user_object.data['password'] != user_object.data['password_repeat']:
return BadRequest(message='password not match')
user = user_datastore.create_user(
username=user_object.data['username'],
password=generate_password_hash(user_object.data['password']),
active=True)
db.session.commit()
user_created.send(current_user._get_current_object(), user=user)
return jsonify({'result': user_schema.dump(user).data})