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# flake8: noqa
# Copyright (c) <2011>, Jonathan LaCour
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the <organization> nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import inspect
import pecan
import pecan.rest
import pecan.routing
from designate import exceptions
from designate.central import rpcapi as central_rpcapi
class RestController(pecan.rest.RestController):
"""
Extension for Pecan's RestController to better handle POST/PUT/PATCH
requests.
Ideally, we get these additions merged upstream.
"""
# default sort_keys. The Controllers can override this.
SORT_KEYS = ['created_at', 'id']
@property
def central_api(self):
return central_rpcapi.CentralAPI.get_instance()
def _apply_filter_params(self, params, accepted_filters, criterion):
invalid = []
for k in params:
if k in accepted_filters:
criterion[k] = params[k].replace("*", "%")
else:
invalid.append(k)
if invalid:
raise exceptions.BadRequest(
'Invalid filters %s' % ', '.join(invalid))
else:
return criterion
def _handle_post(self, method, remainder):
'''
Routes ``POST`` actions to the appropriate controller.
'''
# route to a post_all or get if no additional parts are available
if not remainder or remainder == ['']:
controller = self._find_controller('post_all', 'post')
if controller:
return controller, []
pecan.abort(405)
controller = getattr(self, remainder[0], None)
if controller and not inspect.ismethod(controller):
return pecan.routing.lookup_controller(controller, remainder[1:])
# finally, check for the regular post_one/post requests
controller = self._find_controller('post_one', 'post')
if controller:
return controller, remainder
pecan.abort(405)
def _handle_patch(self, method, remainder):
'''
Routes ``PATCH`` actions to the appropriate controller.
'''
# route to a patch_all or get if no additional parts are available
if not remainder or remainder == ['']:
controller = self._find_controller('patch_all', 'patch')
if controller:
return controller, []
pecan.abort(405)
controller = getattr(self, remainder[0], None)
if controller and not inspect.ismethod(controller):
return pecan.routing.lookup_controller(controller, remainder[1:])
# finally, check for the regular patch_one/patch requests
controller = self._find_controller('patch_one', 'patch')
if controller:
return controller, remainder
pecan.abort(405)
def _handle_put(self, method, remainder):
'''
Routes ``PUT`` actions to the appropriate controller.
'''
# route to a put_all or get if no additional parts are available
if not remainder or remainder == ['']:
controller = self._find_controller('put_all', 'put')
if controller:
return controller, []
pecan.abort(405)
controller = getattr(self, remainder[0], None)
if controller and not inspect.ismethod(controller):
return pecan.routing.lookup_controller(controller, remainder[1:])
# finally, check for the regular put_one/put requests
controller = self._find_controller('put_one', 'put')
if controller:
return controller, remainder
pecan.abort(405)
def _handle_delete(self, method, remainder):
'''
Routes ``DELETE`` actions to the appropriate controller.
'''
# route to a delete_all or get if no additional parts are available
if not remainder or remainder == ['']:
controller = self._find_controller('delete_all', 'delete')
if controller:
return controller, []
pecan.abort(405)
controller = getattr(self, remainder[0], None)
if controller and not inspect.ismethod(controller):
return pecan.routing.lookup_controller(controller, remainder[1:])
# finally, check for the regular delete_one/delete requests
controller = self._find_controller('delete_one', 'delete')
if controller:
return controller, remainder
pecan.abort(405)
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