diff options
Diffstat (limited to 'common/src')
| -rw-r--r-- | common/src/leap/soledad/common/command.py | 17 | ||||
| -rw-r--r-- | common/src/leap/soledad/common/couch.py | 19 | ||||
| -rw-r--r-- | common/src/leap/soledad/common/tests/test_command.py | 4 | ||||
| -rw-r--r-- | common/src/leap/soledad/common/tests/test_couch.py | 4 |
4 files changed, 25 insertions, 19 deletions
diff --git a/common/src/leap/soledad/common/command.py b/common/src/leap/soledad/common/command.py index 978cec91..811bf135 100644 --- a/common/src/leap/soledad/common/command.py +++ b/common/src/leap/soledad/common/command.py @@ -24,26 +24,27 @@ Utility to sanitize and run shell commands. import subprocess -def exec_validated_cmd(cmd, args, validator=None): +def exec_validated_cmd(cmd, argument, validator=None): """ - Executes cmd, validating args with validator. + Executes cmd, validating argument with a validator function. :param cmd: command. :type dbname: str - :param args: arguments. - :type args: str - :param validator: optional function to validate args + :param argument: argument. + :type argument: str + :param validator: optional function to validate argument :type validator: function :return: exit code and stdout or stderr (if code != 0) :rtype: (int, str) """ - if validator and not validator(args): + if validator and not validator(argument): return 1, "invalid argument" command = cmd.split(' ') - command.append(args) + command.append(argument) try: - process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + process = subprocess.Popen(command, stdout=subprocess.PIPE, + stderr=subprocess.PIPE) except OSError, e: return 1, e (out, err) = process.communicate() diff --git a/common/src/leap/soledad/common/couch.py b/common/src/leap/soledad/common/couch.py index d9ed5026..4c5f6400 100644 --- a/common/src/leap/soledad/common/couch.py +++ b/common/src/leap/soledad/common/couch.py @@ -435,7 +435,7 @@ class CouchDatabase(CommonBackend): self._set_replica_uid(replica_uid) if ensure_ddocs: self.ensure_ddocs_on_db() - self.ensure_security() + self.ensure_security_ddoc() self._cache = None @property @@ -468,10 +468,15 @@ class CouchDatabase(CommonBackend): getattr(ddocs, ddoc_name))) self._database.save(ddoc) - def ensure_security(self): + def ensure_security_ddoc(self): """ Make sure that only soledad user is able to access this database as - a member. + an unprivileged member, meaning that administration access will + be forbidden even inside an user database. + The goal is to make sure that only the lowest access level is given + to the unprivileged CouchDB user set on the server process. + This is achieved by creating a _security design document, see: + http://docs.couchdb.org/en/latest/api/database/security.html """ security = self._database.security security['members'] = {'names': ['soledad'], 'roles': []} @@ -1386,12 +1391,9 @@ class CouchSyncTarget(CommonSyncTarget): source_replica_transaction_id) -DB_NAME_MASK = "^user-[a-f0-9]+$" - - def is_db_name_valid(name): """ - Validate a user database using DB_NAME_MASK. + Validate a user database using a regular expression. :param name: database name. :type name: str @@ -1399,7 +1401,8 @@ def is_db_name_valid(name): :return: boolean for name vailidity :rtype: bool """ - return re.match(DB_NAME_MASK, name) is not None + db_name_regex = "^user-[a-f0-9]+$" + return re.match(db_name_regex, name) is not None class CouchServerState(ServerState): diff --git a/common/src/leap/soledad/common/tests/test_command.py b/common/src/leap/soledad/common/tests/test_command.py index af4903eb..420f91ae 100644 --- a/common/src/leap/soledad/common/tests/test_command.py +++ b/common/src/leap/soledad/common/tests/test_command.py @@ -50,4 +50,6 @@ class ExecuteValidatedCommandTest(unittest.TestCase): def test_return_status_code_number_on_failure(self): status, out = exec_validated_cmd("ls", "user-bebacafe") self.assertEquals(status, 2) - self.assertIn('ls: cannot access user-bebacafe: No such file or directory\n', out) + self.assertIn( + 'ls: cannot access user-bebacafe: No such file or directory\n', + out) diff --git a/common/src/leap/soledad/common/tests/test_couch.py b/common/src/leap/soledad/common/tests/test_couch.py index 3622bb56..d1a07a3a 100644 --- a/common/src/leap/soledad/common/tests/test_couch.py +++ b/common/src/leap/soledad/common/tests/test_couch.py @@ -1504,11 +1504,11 @@ class CouchDatabaseExceptionsTests(CouchDBTestCase): def test_ensure_security_doc(self): """ Ensure_security creates a _security ddoc to ensure that only soledad - will have member access to a db. + will have the lowest privileged access to an user db. """ self.create_db(ensure=False) self.assertFalse(self.db._database.security) - self.db.ensure_security() + self.db.ensure_security_ddoc() security_ddoc = self.db._database.security self.assertIn('admins', security_ddoc) self.assertFalse(security_ddoc['admins']['names']) |