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authordrebs <drebs@leap.se>2013-01-22 10:09:43 -0200
committerdrebs <drebs@leap.se>2013-01-22 10:09:43 -0200
commit3bf11c9109a457ddbeb47524e34a5c1fd97bd27c (patch)
treecae77f65c1b4377d4fd6934139c0074a92d3f121 /util.py
parent629b4ae10e17ab667a0b7ae9966914ea728da839 (diff)
parent9a487e87aceddbf656f14961356c74cb7a1de146 (diff)
Merge branch 'feature/soledad-api' into develop
Conflicts: src/leap/soledad/__init__.py src/leap/soledad/backends/couch.py src/leap/soledad/backends/leap_backend.py src/leap/soledad/backends/objectstore.py src/leap/soledad/tests/test_couch.py src/leap/soledad/tests/test_logs.py src/leap/soledad/tests/test_sqlcipher.py src/leap/soledad/util.py
Diffstat (limited to 'util.py')
-rw-r--r--util.py140
1 files changed, 4 insertions, 136 deletions
diff --git a/util.py b/util.py
index 67d950a5..040c70ab 100644
--- a/util.py
+++ b/util.py
@@ -12,9 +12,7 @@ class GPGWrapper(gnupg.GPG):
GNUPG_BINARY = "/usr/bin/gpg" # this has to be changed based on OS
def __init__(self, gpghome=GNUPG_HOME, gpgbinary=GNUPG_BINARY):
- super(GPGWrapper, self).__init__(gpgbinary=gpgbinary,
- gnupghome=gpghome, verbose=False,
- use_agent=False, keyring=None, options=None)
+ super(GPGWrapper, self).__init__(gnupghome=gpghome, gpgbinary=gpgbinary)
def find_key(self, email):
"""
@@ -28,21 +26,21 @@ class GPGWrapper(gnupg.GPG):
def encrypt(self, data, recipient, sign=None, always_trust=True,
passphrase=None, symmetric=False):
- # TODO: manage keys in a way we don't need to "always trust"
+ # TODO: devise a way so we don't need to "always trust".
return super(GPGWrapper, self).encrypt(data, recipient, sign=sign,
always_trust=always_trust,
passphrase=passphrase,
symmetric=symmetric)
def decrypt(self, data, always_trust=True, passphrase=None):
- # TODO: manage keys in a way we don't need to "always trust"
+ # TODO: devise a way so we don't need to "always trust".
return super(GPGWrapper, self).decrypt(data,
always_trust=always_trust,
passphrase=passphrase)
def send_keys(self, keyserver, *keyids):
"""
- Send keys to a keyserver.
+ Send keys to a keyserver
"""
result = self.result_map['list'](self)
logger.debug('send_keys: %r', keyids)
@@ -54,133 +52,3 @@ class GPGWrapper(gnupg.GPG):
data.close()
return result
-
-#----------------------------------------------------------------------------
-# u1db Transaction and Sync logs.
-#----------------------------------------------------------------------------
-
-class SimpleLog(object):
- def __init__(self):
- self._log = []
-
- def _set_log(self, log):
- self._log = log
-
- def _get_log(self):
- return self._log
-
- log = property(
- _get_log, _set_log, doc="Log contents.")
-
- def append(self, msg):
- self._log.append(msg)
-
- def reduce(self, func, initializer=None):
- return reduce(func, self.log, initializer)
-
- def map(self, func):
- return map(func, self.log)
-
- def filter(self, func):
- return filter(func, self.log)
-
-
-class TransactionLog(SimpleLog):
- """
- An ordered list of (generation, doc_id, transaction_id) tuples.
- """
-
- def _set_log(self, log):
- self._log = log
-
- def _get_log(self):
- return sorted(self._log, reverse=True)
-
- log = property(
- _get_log, _set_log, doc="Log contents.")
-
- def get_generation(self):
- """
- Return the current generation.
- """
- gens = self.map(lambda x: x[0])
- if not gens:
- return 0
- return max(gens)
-
- def get_generation_info(self):
- """
- Return the current generation and transaction id.
- """
- if not self._log:
- return(0, '')
- info = self.map(lambda x: (x[0], x[2]))
- return reduce(lambda x, y: x if (x[0] > y[0]) else y, info)
-
- def get_trans_id_for_gen(self, gen):
- """
- Get the transaction id corresponding to a particular generation.
- """
- log = self.reduce(lambda x, y: y if y[0] == gen else x)
- if log is None:
- return None
- return log[2]
-
- def whats_changed(self, old_generation):
- """
- Return a list of documents that have changed since old_generation.
- """
- results = self.filter(lambda x: x[0] > old_generation)
- seen = set()
- changes = []
- newest_trans_id = ''
- for generation, doc_id, trans_id in results:
- if doc_id not in seen:
- changes.append((doc_id, generation, trans_id))
- seen.add(doc_id)
- if changes:
- cur_gen = changes[0][1] # max generation
- newest_trans_id = changes[0][2]
- changes.reverse()
- else:
- results = self.log
- if not results:
- cur_gen = 0
- newest_trans_id = ''
- else:
- cur_gen, _, newest_trans_id = results[0]
-
- return cur_gen, newest_trans_id, changes
-
-
-
-class SyncLog(SimpleLog):
- """
- A list of (replica_id, generation, transaction_id) tuples.
- """
-
- def find_by_replica_uid(self, replica_uid):
- if not self.log:
- return ()
- return self.reduce(lambda x, y: y if y[0] == replica_uid else x)
-
- def get_replica_gen_and_trans_id(self, other_replica_uid):
- """
- Return the last known generation and transaction id for the other db
- replica.
- """
- info = self.find_by_replica_uid(other_replica_uid)
- if not info:
- return (0, '')
- return (info[1], info[2])
-
- def set_replica_gen_and_trans_id(self, other_replica_uid,
- other_generation, other_transaction_id):
- """
- Set the last-known generation and transaction id for the other
- database replica.
- """
- self.log = self.filter(lambda x: x[0] != other_replica_uid)
- self.append((other_replica_uid, other_generation,
- other_transaction_id))
-