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-rw-r--r--utils/interfaces.py90
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+# -------------------------------------------------------------------------
+# Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+# 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.
+#
+# -------------------------------------------------------------------------
+#
+
+import requests
+
+from osdf.config.base import osdf_config, creds_prefixes
+from osdf.logging.osdf_logging import MH, debug_log
+
+
+def get_rest_client(request_json, service):
+ """Get a RestClient based on request_json's callback URL and osdf_config's credentials based on service name
+ :param request_json:
+ :param service: so or cm
+ :return: rc -- RestClient
+ """
+ callback_url = request_json["requestInfo"]["callbackUrl"]
+ prefix = creds_prefixes[service]
+ config = osdf_config.deployment
+ c_userid, c_passwd = config[prefix + "Username"], config[prefix + "Password"]
+ return RestClient(url=callback_url, userid=c_userid, passwd=c_passwd)
+
+
+class RestClient(object):
+ """Simple REST Client that supports get/post and basic auth"""
+
+ def __init__(self, userid=None, passwd=None, log_func=None, url=None, timeout=None, headers=None,
+ method="POST", req_id=None):
+ self.auth = (userid, passwd) if userid and passwd else None
+ self.headers = headers if headers else {}
+ self.method = method
+ self.url = url
+ self.log_func = log_func
+ self.timeout = (30, 90) if timeout is None else timeout
+ self.req_id = req_id
+
+ def add_headers(self, headers):
+ self.headers.update(headers)
+
+ def request(self, url=None, method=None, asjson=True, ok_codes=(2, ),
+ raw_response=False, noresponse=False, timeout=None, **kwargs):
+ """
+ :param url: REST end point to query
+ :param method: GET or POST (default is None => self.method)
+ :param asjson: whether the expected response is in json format
+ :param ok_codes: expected codes (prefix matching -- e.g. can be (20, 21, 32) or (2, 3))
+ :param noresponse: If no response is expected (as long as response codes are OK)
+ :param raw_response: If we need just the raw response (e.g. conductor sends transaction IDs in headers)
+ :param timeout: Connection and read timeouts
+ :param kwargs: Other parameters
+ :return:
+ """
+ if not self.req_id:
+ debug_log.debug("Requesting URL: {}".format(url or self.url))
+ else:
+ debug_log.debug("Requesting URL: {} for request ID: {}".format(url or self.url, self.req_id))
+
+ res = requests.request(url=url or self.url, method=method or self.method,
+ auth=self.auth, headers=self.headers,
+ timeout=timeout or self.timeout, **kwargs)
+
+ if self.log_func:
+ self.log_func(MH.received_http_response(res))
+
+ res_code = str(res.status_code)
+ if not any(res_code.startswith(x) for x in map(str, ok_codes)):
+ raise res.raise_for_status()
+
+ if raw_response:
+ return res
+ elif noresponse:
+ return None
+ elif asjson:
+ return res.json()
+ else:
+ return res.content