Added OpenAPI 3 getting API Key from cookie support. (#794)

* Added OpenAPI 3 getting API Key from cookie support.

connexion/decorators/security.py

@@ -6,6 +6,7 @@
 import textwrap
 
 import requests
+from six.moves import http_cookies
 
 from connexion.utils import get_function_from_name
 
@@ -115,8 +116,10 @@ def security_deny(function):
     :type function: types.FunctionType
     :rtype: types.FunctionType
     """
+
     def deny(*args, **kwargs):
         raise ConnexionException("Error in security definitions")
+
     return deny
 
 
@@ -181,6 +184,7 @@ def verify_authorization_token(request, token_info_func):
 
 
 def verify_oauth(token_info_func, scope_validate_func):
+
     def wrapper(request, required_scopes):
         token_info = verify_authorization_token(request, token_info_func)
         if token_info is None:
@@ -196,10 +200,12 @@ def wrapper(request, required_scopes):
             )
 
         return token_info
+
     return wrapper
 
 
 def verify_basic(basic_info_func):
+
     def wrapper(request, required_scopes):
         authorization = request.headers.get('Authorization')
         if not authorization:
@@ -225,15 +231,34 @@ def wrapper(request, required_scopes):
                 token_response=None
             )
         return token_info
+
     return wrapper
 
 
+def get_cookie_value(cookies, name):
+    '''
+    Returns cookie value by its name. None if no such value.
+    :param cookies: str: cookies raw data
+    :param name: str: cookies key
+    '''
+    cookie_parser = http_cookies.SimpleCookie()
+    cookie_parser.load(str(cookies))
+    try:
+        return cookie_parser[name].value
+    except KeyError:
+        return None
+
+
 def verify_apikey(apikey_info_func, loc, name):
+
     def wrapper(request, required_scopes):
         if loc == 'query':
             apikey = request.query.get(name)
         elif loc == 'header':
             apikey = request.headers.get(name)
+        elif loc == 'cookie':
+            cookieslist = request.headers.get('Cookie')
+            apikey = get_cookie_value(cookieslist, name)
         else:
             return None
 
@@ -247,6 +272,7 @@ def wrapper(request, required_scopes):
                 token_response=None
             )
         return token_info
+
     return wrapper
 
 
@@ -255,12 +281,15 @@ def verify_bearer(bearer_info_func):
     :param bearer_info_func: types.FunctionType
     :rtype: types.FunctionType
     """
+
     def wrapper(request, required_scopes):
         return verify_authorization_token(request, bearer_info_func)
+
     return wrapper
 
 
 def verify_security(auth_funcs, required_scopes, function):
+
     @functools.wraps(function)
     def wrapper(request):
         token_info = get_authorization_info(auth_funcs, request, required_scopes)
@@ -269,6 +298,7 @@ def wrapper(request):
         request.context['user'] = token_info.get('sub', token_info.get('uid'))
         request.context['token_info'] = token_info
         return function(request)
+
     return wrapper