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authordrebs <drebs@leap.se>2016-12-18 14:21:54 -0200
committerKali Kaneko <kali@leap.se>2017-02-09 17:41:34 +0100
commite73d36621052a69aae327200c063ac1689bcf9e0 (patch)
treec53a1d4ab94827147ee0f599e2d344621936cf63 /server/src/leap
parenta39af0e003ba95c9b7ab554aa4a4c5ce316a43c7 (diff)
[feat] reuse the url mapper instead of creating it for every request
Diffstat (limited to 'server/src/leap')
-rw-r--r--server/src/leap/soledad/server/auth.py82
1 files changed, 22 insertions, 60 deletions
diff --git a/server/src/leap/soledad/server/auth.py b/server/src/leap/soledad/server/auth.py
index f3d9c8a8..c026a282 100644
--- a/server/src/leap/soledad/server/auth.py
+++ b/server/src/leap/soledad/server/auth.py
@@ -26,67 +26,31 @@ from routes.mapper import Mapper
from leap.soledad.common.log import getLogger
from leap.soledad.common.l2db import DBNAME_CONSTRAINTS, errors as u1db_errors
from leap.soledad.common import SHARED_DB_NAME
-from leap.soledad.common import USER_DB_PREFIX
logger = getLogger(__name__)
-class URLToAuthorization(object):
+class URLMapper(object):
"""
- Verify if actions can be performed by a user.
+ Maps the URLs users can access.
"""
- HTTP_METHOD_GET = 'GET'
- HTTP_METHOD_PUT = 'PUT'
- HTTP_METHOD_DELETE = 'DELETE'
- HTTP_METHOD_POST = 'POST'
-
- def __init__(self, uuid):
- """
- Initialize the mapper.
-
- The C{uuid} is used to create the rules that will either allow or
- disallow the user to perform specific actions.
-
- @param uuid: The user uuid.
- @type uuid: str
- @param user_db_prefix: The string prefix of users' databases.
- @type user_db_prefix: str
- """
+ def __init__(self):
self._map = Mapper(controller_scan=None)
- self._user_db_name = "%s%s" % (USER_DB_PREFIX, uuid)
- self._uuid = uuid
- self._register_auth_info()
-
- def is_authorized(self, environ):
- """
- Return whether an HTTP request that produced the CGI C{environ}
- corresponds to an authorized action.
-
- @param environ: Dictionary containing CGI variables.
- @type environ: dict
-
- @return: Whether the action is authorized or not.
- @rtype: bool
- """
- return self._map.match(environ=environ) is not None
+ self._connect_urls()
+ self._map.create_regs()
- def _register(self, pattern, http_methods):
- """
- Register a C{pattern} in the mapper as valid for C{http_methods}.
+ def match(self, environ):
+ return self._map.match(environ=environ)
- @param pattern: The URL pattern that corresponds to the user action.
- @type pattern: str
- @param http_methods: A list of authorized HTTP methods.
- @type http_methods: list of str
- """
+ def _connect(self, pattern, http_methods):
self._map.connect(
None, pattern, http_methods=http_methods,
conditions=dict(method=http_methods),
requirements={'dbname': DBNAME_CONSTRAINTS})
- def _register_auth_info(self):
+ def _connect_urls(self):
"""
Register the authorization info in the mapper using C{SHARED_DB_NAME}
as the user's database name.
@@ -106,21 +70,15 @@ class URLToAuthorization(object):
/user-db/sync-from/{source} | GET, PUT, POST
"""
# auth info for global resource
- self._register('/', [self.HTTP_METHOD_GET])
+ self._connect('/', ['GET'])
# auth info for shared-db database resource
- self._register('/%s' % SHARED_DB_NAME, [self.HTTP_METHOD_GET])
+ self._connect('/%s' % SHARED_DB_NAME, ['GET'])
# auth info for shared-db doc resource
- self._register(
- '/%s/doc/{id:.*}' % SHARED_DB_NAME,
- [self.HTTP_METHOD_GET, self.HTTP_METHOD_PUT,
- self.HTTP_METHOD_DELETE])
+ self._connect('/%s/doc/{id:.*}' % SHARED_DB_NAME,
+ ['GET', 'PUT', 'DELETE'])
# auth info for user-db sync resource
- self._register(
- '/%s/sync-from/{source_replica_uid}' % self._user_db_name,
- [self.HTTP_METHOD_GET, self.HTTP_METHOD_PUT,
- self.HTTP_METHOD_POST])
- # generate the regular expressions
- self._map.create_regs()
+ self._connect('/user-{uuid}/sync-from/{source_replica_uid}',
+ ['GET', 'PUT', 'POST'])
class SoledadAuthMiddleware(object):
@@ -176,6 +134,7 @@ class SoledadAuthMiddleware(object):
@type prefix: str
"""
self._app = app
+ self._mapper = URLMapper()
def _error(self, start_response, status, description, message=None):
"""
@@ -310,14 +269,17 @@ class SoledadAuthMiddleware(object):
@param environ: Dictionary containing CGI variables.
@type environ: dict
- @param uuid: The user's uuid.
+ @param uuid: The user's uuid from the Authorization header.
@type uuid: str
- @return: Whether the user is authorize to perform the requested action
+ @return: Whether the user is authorized to perform the requested action
over the requested db.
@rtype: bool
"""
- return URLToAuthorization(uuid).is_authorized(environ)
+ match = self._mapper.match(environ)
+ if not match:
+ return False
+ return uuid == match.get('uuid')
@abstractmethod
def _get_auth_error_string(self):