From f1cf6a4b262f202c141d0e7cdd90f0f8403f9f5d Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Tue, 30 Apr 2013 12:13:07 -0300
Subject: Fix shared db auth and add tests.

---
 src/leap/soledad/backends/couch.py        | 17 +++++++-----
 src/leap/soledad/backends/leap_backend.py | 45 ++++++++++++-------------------
 2 files changed, 27 insertions(+), 35 deletions(-)

(limited to 'src/leap/soledad/backends')

diff --git a/src/leap/soledad/backends/couch.py b/src/leap/soledad/backends/couch.py
index 95090510..4dcea3f8 100644
--- a/src/leap/soledad/backends/couch.py
+++ b/src/leap/soledad/backends/couch.py
@@ -387,7 +387,8 @@ class CouchDatabase(ObjectStoreDatabase):
         indexes = {}
         for name, idx in self._indexes.iteritems():
             indexes[name] = {}
-            for attr in [INDEX_NAME_KEY, INDEX_DEFINITION_KEY, INDEX_VALUES_KEY]:
+            for attr in [self.INDEX_NAME_KEY, self.INDEX_DEFINITION_KEY,
+                         self.INDEX_VALUES_KEY]:
                 indexes[name][attr] = getattr(idx, '_' + attr)
         return json.dumps(indexes)
 
@@ -404,8 +405,8 @@ class CouchDatabase(ObjectStoreDatabase):
         """
         dict = {}
         for name, idx_dict in json.loads(indexes).iteritems():
-            idx = InMemoryIndex(name, idx_dict[INDEX_DEFINITION_KEY])
-            idx._values = idx_dict[INDEX_VALUES_KEY]
+            idx = InMemoryIndex(name, idx_dict[self.INDEX_DEFINITION_KEY])
+            idx._values = idx_dict[self.INDEX_VALUES_KEY]
             dict[name] = idx
         return dict
 
@@ -435,8 +436,9 @@ class CouchServerState(ServerState):
         @rtype: CouchDatabase
         """
         # TODO: open couch
-        return CouchDatabase.open_database(self.couch_url + '/' + dbname,
-                                           create=False)
+        return CouchDatabase.open_database(
+            self.couch_url + '/' + dbname,
+            create=False)
 
     def ensure_database(self, dbname):
         """
@@ -448,8 +450,9 @@ class CouchServerState(ServerState):
         @return: The CouchDatabase object and the replica uid.
         @rtype: (CouchDatabase, str)
         """
-        db = CouchDatabase.open_database(self.couch_url + '/' + dbname,
-                                         create=True)
+        db = CouchDatabase.open_database(
+            self.couch_url + '/' + dbname,
+            create=True)
         return db, db._replica_uid
 
     def delete_database(self, dbname):
diff --git a/src/leap/soledad/backends/leap_backend.py b/src/leap/soledad/backends/leap_backend.py
index 9750ffad..81f6c211 100644
--- a/src/leap/soledad/backends/leap_backend.py
+++ b/src/leap/soledad/backends/leap_backend.py
@@ -30,33 +30,22 @@ except ImportError:
 
 from u1db import Document
 from u1db.remote import utils
-from u1db.remote.http_target import HTTPSyncTarget
-from u1db.remote.http_database import HTTPDatabase
 from u1db.errors import BrokenSyncStream
+from u1db.remote.http_target import HTTPSyncTarget
 
 
 from leap.common.keymanager import KeyManager
 from leap.common.check import leap_assert
+from leap.soledad.auth import (
+    set_token_credentials,
+    _sign_request,
+)
 
 
 #
 # Exceptions
 #
 
-class NoDefaultKey(Exception):
-    """
-    Exception to signal that there's no default OpenPGP key configured.
-    """
-    pass
-
-
-class NoSoledadCryptoInstance(Exception):
-    """
-    Exception to signal that no Soledad instance was found.
-    """
-    pass
-
-
 class DocumentNotEncrypted(Exception):
     """
     Raised for failures in document encryption.
@@ -267,6 +256,18 @@ class LeapSyncTarget(HTTPSyncTarget):
     receiving.
     """
 
+    #
+    # Token auth methods.
+    #
+
+    set_token_credentials = set_token_credentials
+
+    _sign_request = _sign_request
+
+    #
+    # Modified HTTPSyncTarget methods.
+    #
+
     @staticmethod
     def connect(url, crypto=None):
         return LeapSyncTarget(url, crypto=crypto)
@@ -403,15 +404,3 @@ class LeapSyncTarget(HTTPSyncTarget):
         res = self._parse_sync_stream(data, return_doc_cb, ensure_callback)
         data = None
         return res['new_generation'], res['new_transaction_id']
-
-    def set_token_credentials(self, address, token):
-        self._creds = {'token': (address, token)}
-
-    def _sign_request(self, method, url_query, params):
-        if 'token' in self._creds:
-            address, token = self._creds['token']
-            auth = '%s:%s' % (address, token)
-            return [('Authorization', 'Token %s' % auth.encode('base64'))]
-        else:
-            return HTTPSyncTarget._sign_request(
-                self, method, url_query, params)
-- 
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