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Add authentication

pull/1/head
Stefan Haun 2 years ago
parent
commit
08da7a23f4
  1. 9
      README.md
  2. 6
      app.py
  3. 31
      auth.py

9
README.md

@ -1,3 +1,12 @@
# Entities Service
Query and manipulate the Netz39 entities database.
## Running the Service
### Configuration
The service is configured via the following environment variables:
* `PORT`: Service port. defaults to 8080
* `AUTH`: Authentication tokens, defaults to None. Example Configuration : `AUTH={"token_1": "user_1", "token_2": "user_2"}`

6
app.py

@ -11,6 +11,7 @@ import isodate
import json
import util
from auth import AuthProvider
startup_timestamp = datetime.now()
@ -68,7 +69,7 @@ class Oas3Handler(tornado.web.RequestHandler, metaclass=ABCMeta):
self.finish()
def make_app():
def make_app(_auth_provider=None):
version_path = r"/v[0-9]"
return tornado.web.Application([
(version_path + r"/health", HealthHandler),
@ -80,8 +81,9 @@ def main():
port = util.load_env('PORT', 8080)
# Setup
auth_provider = AuthProvider.from_environment()
util.run_tornado_server(make_app(),
util.run_tornado_server(make_app(auth_provider),
server_port=port)
# Teardown

31
auth.py

@ -0,0 +1,31 @@
import json
from util import load_env
class AuthProvider(object):
@staticmethod
def from_environment():
auth = load_env("AUTH", None)
return AuthProvider(auth)
def __init__(self, auth_token_config):
if auth_token_config == "":
self.auth_token_pool = []
print("Service started without Authentication")
return
try:
self.auth_token_pool = json.loads(auth_token_config)
except ValueError as e:
raise ValueError("Authentication configuration could not be parsed") from e
def validate_token(self, token):
"""Validate a token for fabrication functions"""
if token in self.auth_token_pool or not self.auth_token_pool:
return True
return False
def user_for_token(self, token):
return self.auth_token_pool.get(token)
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