--- /dev/null
+# ============LICENSE_START===============================================
+# Copyright (C) 2020 Nordix Foundation. All rights reserved.
+# ========================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=================================================
+#
+
+import copy
+import datetime
+import json
+import logging
+import collections
+import time
+
+from connexion import NoContent
+from flask import Flask, escape, request, Response, make_response
+from var_declaration import policy_instances, policy_status, callbacks, forced_settings, policy_fingerprint
+from utils import calcFingerprint
+
+# API Function: Get all policy ids
+def get_all_policy_identities():
+
+ if ((r := check_modified_response()) is not None):
+ return r
+
+ return (list(policy_instances.keys()), 200)
+
+# API Function: Create or update a policy
+def put_policy(policyId):
+
+ if ((r := check_modified_response()) is not None):
+ return r
+
+ try:
+ data = request.data
+ data = json.loads(data)
+ except:
+ pjson=create_problem_json(None, "The policy is corrupt or missing.", 400, None, policyId)
+ return Response(json.dumps(pjson), 400, mimetype='application/problem+json')
+
+ fpPrevious=None
+ retcode=201
+ if policyId in policy_instances.keys():
+ retcode=200
+ fpPrevious=calcFingerprint(policy_instances[policyId])
+
+ fp=calcFingerprint(data)
+ if (fp in policy_fingerprint.keys()):
+ id=policy_fingerprint[fp]
+ if (id != policyId):
+ pjson=create_problem_json(None, "The policy json already exists.", 400, None, policyId)
+ return Response(json.dumps(pjson), 400, mimetype='application/problem+json')
+
+ if (fpPrevious is not None):
+ del policy_fingerprint[fpPrevious]
+
+ policy_fingerprint[fp]=policyId
+
+ noti=request.args.get('notificationDestination')
+ callbacks[policyId]=noti
+
+ policy_instances[policyId]=data
+ ps={}
+ ps["enforceStatus"] = "UNDEFINED"
+ policy_status[policyId]=ps
+
+ if (retcode == 200):
+ return Response(json.dumps(data), 200, mimetype='application/json')
+ else:
+ headers={}
+ headers['Location']='/A1-P/v1/policies/' + policyId
+ return Response(json.dumps(data), 201, headers=headers, mimetype='application/json')
+
+# API Function: Get a policy
+def get_policy(policyId):
+
+ if ((r := check_modified_response()) is not None):
+ return r
+
+ if policyId in policy_instances.keys():
+ return Response(json.dumps(policy_instances[policyId]), 200, mimetype='application/json')
+
+ pjson=create_problem_json(None, "The requested policy does not exist.", 404, None, policyId)
+ return Response(json.dumps(pjson), 404, mimetype='application/problem+json')
+
+# API Function: Delete a policy
+def delete_policy(policyId):
+
+ if ((r := check_modified_response()) is not None):
+ return r
+
+ if policyId in policy_instances.keys():
+ fpPrevious=calcFingerprint(policy_instances[policyId])
+ policy_fingerprint.pop(fpPrevious)
+ policy_instances.pop(policyId)
+ policy_status.pop(policyId)
+ callbacks.pop(policyId)
+ return Response('', 204, mimetype='application/json')
+
+ pjson=create_problem_json(None, "The policy identity does not exist.", 404, "No policy instance has been deleted.", policyId)
+ return Response(json.dumps(pjson), 404, mimetype='application/problem+json')
+
+# API Function: Get status for a policy
+def get_policy_status(policyId):
+
+ if ((r := check_modified_response()) is not None):
+ return r
+
+ if policyId in policy_instances.keys():
+ return Response(json.dumps(policy_status[policyId]), status=200, mimetype='application/json')
+
+ pjson=create_problem_json(None, "The policy identity does not exist.", 404, "There is no existing policy instance with the identity: " + policyId, policyId)
+ return Response(json.dumps(pjson), 404, mimetype='application/problem+json')
+
+# Helper: Create a response object if forced http response code is set
+def get_forced_response():
+ if (forced_settings['code'] is not None):
+ pjson=create_error_response(forced_settings['code'])
+ forced_settings['code']=None
+ return Response(json.dumps(pjson), pjson['status'], mimetype='application/problem+json')
+ return None
+
+# Helper: Delay if delayed response code is set
+def do_delay():
+ if (forced_settings['delay'] is not None):
+ try:
+ val=int(forced_settings['delay'])
+ time.sleep(val)
+ except:
+ return
+ return
+
+# Helper: Check if response shall be delayed or a forced response shall be sent
+def check_modified_response():
+ do_delay()
+ return get_forced_response()
+
+# Helper: Create a problem json object
+def create_problem_json(type_of, title, status, detail, instance):
+
+ error = {}
+ if type_of is not None:
+ error["type"] = type_of
+ if title is not None:
+ error["title"] = title
+ if status is not None:
+ error["status"] = status
+ if detail is not None:
+ error["detail"] = detail
+ if instance is not None:
+ error["instance"] = instance
+ return error
+
+# Helper: Create a problem json based on a generic http response code
+def create_error_response(code):
+
+ if code == '400':
+ return(create_problem_json(None, "Bad request", 400, "Object in payload not properly formulated or not related to the method", None))
+ elif code == '404':
+ return(create_problem_json(None, "Not found", 404, "No resource found at the URI", None))
+ elif code == '405':
+ return(create_problem_json(None, "Method not allowed", 405, "Method not allowed for the URI", None))
+ elif code == '409':
+ return(create_problem_json(None, "Conflict", 409, "Request could not be processed in the current state of the resource", None))
+ elif code == '429':
+ return(create_problem_json(None, "Too many requests", 429, "Too many requests have been sent in a given amount of time", None))
+ elif code == '507':
+ return(create_problem_json(None, "Insufficient storage", 507, "The method could not be performed on the resource because the provider is unable to store the representation needed to successfully complete the request", None))
+ elif code == '503':
+ return(create_problem_json(None, "Service unavailable", 503, "The provider is currently unable to handle the request due to a temporary overload", None))
+ else:
+ return(create_problem_json(None, "Unknown", code, "Not implemented response code", None))
Code Review / sim / a1-interface.git / blobdiff