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authorTomás Touceda <chiiph@leap.se>2013-12-10 14:40:08 -0300
committerTomás Touceda <chiiph@leap.se>2013-12-12 13:37:42 -0300
commit221beb86213e55e33953fdd72ff515bdf158840e (patch)
treee9e07744a100494d0d82425e493cd8072591a4f8 /client/src/leap
parentdeb78a5f3502ece98ec3e0b70f93025c4a1b3da5 (diff)
Unlock shared db if bootstrapping fails in any way
Diffstat (limited to 'client/src/leap')
-rw-r--r--client/src/leap/soledad/client/__init__.py84
1 files changed, 51 insertions, 33 deletions
diff --git a/client/src/leap/soledad/client/__init__.py b/client/src/leap/soledad/client/__init__.py
index 62f93b3d..4c1a4195 100644
--- a/client/src/leap/soledad/client/__init__.py
+++ b/client/src/leap/soledad/client/__init__.py
@@ -315,6 +315,47 @@ class Soledad(object):
# initialization/destruction methods
#
+ def _get_or_gen_crypto_secrets(self):
+ """
+ Retrieves or generates the crypto secrets.
+
+ Might raise BootstrapSequenceError
+ """
+ doc = self._get_secrets_from_shared_db()
+
+ if doc:
+ logger.info(
+ 'Found cryptographic secrets in shared recovery '
+ 'database.')
+ _, mac = self.import_recovery_document(doc.content)
+ if mac is False:
+ self.put_secrets_in_shared_db()
+ self._store_secrets() # save new secrets in local file
+ if self._secret_id is None:
+ self._set_secret_id(self._secrets.items()[0][0])
+ else:
+ # STAGE 3 - there are no secrets in server also, so
+ # generate a secret and store it in remote db.
+ logger.info(
+ 'No cryptographic secrets found, creating new '
+ ' secrets...')
+ self._set_secret_id(self._gen_secret())
+ try:
+ self._put_secrets_in_shared_db()
+ except Exception as ex:
+ # storing generated secret in shared db failed for
+ # some reason, so we erase the generated secret and
+ # raise.
+ try:
+ os.unlink(self._secrets_path)
+ except OSError as e:
+ if e.errno != errno.ENOENT: # no such file or directory
+ logger.exception(e)
+ logger.exception(ex)
+ raise BootstrapSequenceError(
+ 'Could not store generated secret in the shared '
+ 'database, bailing out...')
+
def _bootstrap(self):
"""
Bootstrap local Soledad instance.
@@ -342,6 +383,8 @@ class Soledad(object):
self._init_dirs()
self._crypto = SoledadCrypto(self)
+ secrets_problem = None
+
# STAGE 1 - verify if secrets exist locally
if not self._has_secret(): # try to load from local storage.
@@ -360,38 +403,10 @@ class Soledad(object):
except AlreadyLockedError:
raise BootstrapSequenceError('Database is already locked.')
- doc = self._get_secrets_from_shared_db()
- if doc:
- logger.info(
- 'Found cryptographic secrets in shared recovery '
- 'database.')
- _, mac = self.import_recovery_document(doc.content)
- if mac is False:
- self.put_secrets_in_shared_db()
- self._store_secrets() # save new secrets in local file
- if self._secret_id is None:
- self._set_secret_id(self._secrets.items()[0][0])
- else:
- # STAGE 3 - there are no secrets in server also, so
- # generate a secret and store it in remote db.
- logger.info(
- 'No cryptographic secrets found, creating new '
- ' secrets...')
- self._set_secret_id(self._gen_secret())
- try:
- self._put_secrets_in_shared_db()
- except Exception:
- # storing generated secret in shared db failed for
- # some reason, so we erase the generated secret and
- # raise.
- try:
- os.unlink(self._secrets_path)
- except OSError as e:
- if errno == 2: # no such file or directory
- pass
- raise BootstrapSequenceError(
- 'Could not store generated secret in the shared '
- 'database, bailing out...')
+ try:
+ self._get_or_gen_crypto_secrets()
+ except Exception as e:
+ secrets_problem = e
# release the lock on shared db
try:
@@ -416,7 +431,10 @@ class Soledad(object):
# --- end of atomic operation in shared db ---
# STAGE 4 - local database initialization
- self._init_db()
+ if secrets_problem is None:
+ self._init_db()
+ else:
+ raise secrets_problem
def _init_dirs(self):
"""