Merge pull request #40 from shupp/client-credentials-example

Added client_credentials example

examples/client_credentials_grant.py

@@ -0,0 +1,74 @@
+import os
+import sys
+import urllib
+import urlparse
+import json
+import signal
+
+from multiprocessing.process import Process
+from wsgiref.simple_server import make_server, WSGIRequestHandler
+
+sys.path.insert(0, os.path.abspath(os.path.realpath(__file__) + '/../../'))
+
+from oauth2 import Provider
+from oauth2.error import UserNotAuthenticated
+from oauth2.store.memory import ClientStore, TokenStore
+from oauth2.tokengenerator import Uuid4
+from oauth2.web import Wsgi
+from oauth2.grant import ClientCredentialsGrant
+
+class OAuthRequestHandler(WSGIRequestHandler):
+    """
+    Request handler that enables formatting of the log messages on the console.
+
+    This handler is used by the python-oauth2 application.
+    """
+    def address_string(self):
+        return "python-oauth2"
+
+
+def run_auth_server():
+    try:
+        client_store = ClientStore()
+        client_store.add_client(client_id="abc", client_secret="xyz",
+                                redirect_uris=[])
+
+        token_store = TokenStore()
+        token_gen = Uuid4()
+        token_gen.expires_in['client_credentials'] = 3600
+
+        auth_controller = Provider(
+            access_token_store=token_store,
+            auth_code_store=token_store,
+            client_store=client_store,
+            token_generator=token_gen)
+        auth_controller.add_grant(ClientCredentialsGrant())
+
+        app = Wsgi(server=auth_controller)
+
+        httpd = make_server('', 8080, app, handler_class=OAuthRequestHandler)
+
+        print("Starting implicit_grant oauth2 server on http://localhost:8080/...")
+        httpd.serve_forever()
+    except KeyboardInterrupt:
+        httpd.server_close()
+
+def main():
+    auth_server = Process(target=run_auth_server)
+    auth_server.start()
+    print("To test getting an auth token, execute the following curl command:")
+    print(
+        "curl --ipv4 -v -X POST"
+        " -d 'grant_type=client_credentials&client_id=abc&client_secret=xyz' "
+        "http://localhost:8080/token"
+    )
+
+    def sigint_handler(signal, frame):
+        print("Terminating server...")
+        auth_server.terminate()
+        auth_server.join()
+
+    signal.signal(signal.SIGINT, sigint_handler)
+
+if __name__ == "__main__":
+    main()