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# Copyright (C) 2014 Linaro Ltd.
#
# 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/>.
"""The RequestHandler for /boot URLs."""
import bson
import handlers.base as hbase
import handlers.common as hcommon
import handlers.response as hresponse
import models
import models.token as mtoken
import taskqueue.tasks as taskq
import utils.db
class BootHandler(hbase.BaseHandler):
"""Handle the /boot URLs."""
def __init__(self, application, request, **kwargs):
super(BootHandler, self).__init__(application, request, **kwargs)
@property
def collection(self):
return self.db[models.BOOT_COLLECTION]
@staticmethod
def _valid_keys(method):
return hcommon.BOOT_VALID_KEYS.get(method, None)
def _post(self, *args, **kwargs):
req_token = self.get_request_token()
lab_name = kwargs["json_obj"].get(models.LAB_NAME_KEY, None)
if self._is_valid_token(req_token, lab_name):
response = hresponse.HandlerResponse(202)
if kwargs.get("reason", None):
response.reason = (
"Request accepted and being imported. WARNING: %s" %
kwargs["reason"]
)
else:
response.reason = "Request accepted and being imported"
response.result = None
taskq.import_boot.apply_async(
[kwargs["json_obj"], kwargs["db_options"]]
)
else:
response = hresponse.HandlerResponse(403)
response.reason = (
"Provided authentication token is not associated with "
"lab '%s'" % lab_name
)
return response
def _is_valid_token(self, req_token, lab_name):
"""Make sure the token used to perform the POST is valid.
We are being paranoid here. We need to make sure the token used to
post is really associated with the provided lab name.
To be valid to post boot report, the token must either be an admin
token or a valid token associated with the lab.
:param req_token: The token string from the request.
:type req_token: str
:param lab_name: The name of the lab to check.
:type lab_name: str
:return True if the token is valid, False otherwise.
"""
valid_lab = False
lab_doc = utils.db.find_one(
self.db[models.LAB_COLLECTION], [lab_name], field=models.NAME_KEY
)
if lab_doc:
lab_token_doc = utils.db.find_one(
self.db[models.TOKEN_COLLECTION], [lab_doc[models.TOKEN_KEY]]
)
if lab_token_doc:
lab_token = mtoken.Token.from_json(lab_token_doc)
if all([req_token == lab_token.token, not lab_token.expired]):
valid_lab = True
elif all([lab_token.is_admin, not lab_token.expired]):
valid_lab = True
utils.LOG.warn(
"Received boot POST request from an admin token")
else:
utils.LOG.warn(
"Received token (%s) is not associated with lab '%s'",
req_token, lab_name
)
return valid_lab
def execute_delete(self, *args, **kwargs):
response = None
if self.validate_req_token("DELETE"):
if kwargs and kwargs.get("id", None):
try:
doc_id = kwargs["id"]
obj_id = bson.objectid.ObjectId(doc_id)
if utils.db.find_one(self.collection, [obj_id]):
response = self._delete(obj_id)
if response.status_code == 200:
response.reason = "Resource '%s' deleted" % doc_id
else:
response = hresponse.HandlerResponse(404)
response.reason = "Resource '%s' not found" % doc_id
except bson.errors.InvalidId, ex:
self.log.exception(ex)
self.log.error(
"Wrong ID '%s' value passed as object ID", doc_id
)
response = hresponse.HandlerResponse(400)
response.reason = "Wrong ID value passed as object ID"
else:
spec = hcommon.get_query_spec(
self.get_query_arguments, self._valid_keys("DELETE")
)
if spec:
response = self._delete(spec)
if response.status_code == 200:
response.reason = (
"Resources identified with '%s' deleted" % spec
)
else:
response = hresponse.HandlerResponse(400)
response.result = None
response.reason = (
"No valid data provided to execute a DELETE"
)
else:
response = hresponse.HandlerResponse(403)
response.reason = hcommon.NOT_VALID_TOKEN
return response
def _delete(self, spec_or_id):
response = hresponse.HandlerResponse(200)
response.result = None
response.status_code = utils.db.delete(self.collection, spec_or_id)
response.reason = self._get_status_message(response.status_code)
return response
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