diff options
Diffstat (limited to 'src/leap/keymanager/openpgp.py')
| -rw-r--r-- | src/leap/keymanager/openpgp.py | 143 |
1 files changed, 93 insertions, 50 deletions
diff --git a/src/leap/keymanager/openpgp.py b/src/leap/keymanager/openpgp.py index 069a78e..d648137 100644 --- a/src/leap/keymanager/openpgp.py +++ b/src/leap/keymanager/openpgp.py @@ -22,6 +22,7 @@ import os import re import shutil import tempfile +import traceback import io @@ -41,6 +42,8 @@ from leap.keymanager.keys import ( TYPE_ADDRESS_PRIVATE_INDEX, KEY_ADDRESS_KEY, KEY_ID_KEY, + KEY_FINGERPRINT_KEY, + KEY_REFRESHED_AT_KEY, KEYMANAGER_ACTIVE_TYPE, ) @@ -422,41 +425,42 @@ class OpenPGPScheme(EncryptionScheme): :rtype: Deferred """ def check_and_put(docs, key): - if len(docs) == 1: - doc = docs.pop() - oldkey = build_key_from_dict(OpenPGPKey, doc.content) - if key.fingerprint == oldkey.fingerprint: - # in case of an update of the key merge them with gnupg - with TempGPGWrapper(gpgbinary=self._gpgbinary) as gpg: - gpg.import_keys(oldkey.key_data) - gpg.import_keys(key.key_data) - gpgkey = gpg.list_keys(secret=key.private).pop() - mergedkey = self._build_key_from_gpg( - gpgkey, - gpg.export_keys(gpgkey['fingerprint'], - secret=key.private)) - mergedkey.validation = max( - [key.validation, oldkey.validation]) - mergedkey.last_audited_at = oldkey.last_audited_at - mergedkey.refreshed_at = key.refreshed_at - mergedkey.encr_used = key.encr_used or oldkey.encr_used - mergedkey.sign_used = key.sign_used or oldkey.sign_used - doc.set_json(mergedkey.get_json()) - d = self._soledad.put_doc(doc) - else: - logger.critical( - "Can't put a key whith the same key_id and different " - "fingerprint: %s, %s" - % (key.fingerprint, oldkey.fingerprint)) - d = defer.fail( - errors.KeyFingerprintMismatch(key.fingerprint)) + deferred_repair = defer.succeed(None) + if len(docs) == 0: + return self._soledad.create_doc_from_json(key.get_json()) elif len(docs) > 1: + deferred_repair = self._repair_key_docs(docs, key.key_id) + + doc = docs[0] + oldkey = build_key_from_dict(OpenPGPKey, doc.content) + if key.fingerprint != oldkey.fingerprint: logger.critical( - "There is more than one key with the same key_id %s" - % (key.key_id,)) - d = defer.fail(errors.KeyAttributesDiffer(key.key_id)) - else: - d = self._soledad.create_doc_from_json(key.get_json()) + "Can't put a key whith the same key_id and different " + "fingerprint: %s, %s" + % (key.fingerprint, oldkey.fingerprint)) + return defer.fail( + errors.KeyFingerprintMismatch(key.fingerprint)) + + # in case of an update of the key merge them with gnupg + with TempGPGWrapper(gpgbinary=self._gpgbinary) as gpg: + gpg.import_keys(oldkey.key_data) + gpg.import_keys(key.key_data) + gpgkey = gpg.list_keys(secret=key.private).pop() + mergedkey = self._build_key_from_gpg( + gpgkey, + gpg.export_keys(gpgkey['fingerprint'], + secret=key.private)) + mergedkey.validation = max( + [key.validation, oldkey.validation]) + mergedkey.last_audited_at = oldkey.last_audited_at + mergedkey.refreshed_at = key.refreshed_at + mergedkey.encr_used = key.encr_used or oldkey.encr_used + mergedkey.sign_used = key.sign_used or oldkey.sign_used + doc.set_json(mergedkey.get_json()) + deferred_put = self._soledad.put_doc(doc) + + d = defer.gatherResults([deferred_put, deferred_repair]) + d.addCallback(lambda res: res[0]) return d d = self._soledad.get_from_index( @@ -533,14 +537,21 @@ class OpenPGPScheme(EncryptionScheme): self.KEY_TYPE, key_id, '1' if private else '0') - d.addCallback(get_doc, key_id) + d.addCallback(get_doc, key_id, activedoc) return d - def get_doc(doclist, key_id): - leap_assert( - len(doclist) is 1, - 'There is %d keys for id %s!' % (len(doclist), key_id)) - return doclist.pop() + def get_doc(doclist, key_id, activedoc): + if len(doclist) == 0: + logger.warning('There is no key for id %s! Self-repairing it.' + % (key_id)) + d = self._soledad.delete_doc(activedoc) + d.addCallback(lambda _: None) + return d + elif len(doclist) > 1: + d = self._repair_key_docs(doclist, key_id) + d.addCallback(lambda _: doclist[0]) + return d + return doclist[0] d = self._soledad.get_from_index( TYPE_ADDRESS_PRIVATE_INDEX, @@ -598,18 +609,20 @@ class OpenPGPScheme(EncryptionScheme): def delete_key(docs): if len(docs) == 0: raise errors.KeyNotFound(key) - if len(docs) > 1: - logger.critical("There is more than one key for key_id %s" - % key.key_id) - - doc = None - for d in docs: - if d.content['fingerprint'] == key.fingerprint: - doc = d - break - if doc is None: + elif len(docs) > 1: + logger.warning("There is more than one key for key_id %s" + % key.key_id) + + has_deleted = False + deferreds = [] + for doc in docs: + if doc.content['fingerprint'] == key.fingerprint: + d = self._soledad.delete_doc(doc) + deferreds.append(d) + has_deleted = True + if not has_deleted: raise errors.KeyNotFound(key) - return self._soledad.delete_doc(doc) + return defer.gatherResults(deferreds) d = self._soledad.get_from_index( TYPE_ID_PRIVATE_INDEX, @@ -621,6 +634,36 @@ class OpenPGPScheme(EncryptionScheme): d.addCallback(delete_key) return d + def _repair_key_docs(self, doclist, key_id): + """ + If there is more than one key for a key id try to self-repair it + + :return: a Deferred that will be fired once all the deletions are + completed + :rtype: Deferred + """ + logger.error("BUG ---------------------------------------------------") + logger.error("There is more than one key with the same key_id %s:" + % (key_id,)) + + def log_key_doc(doc): + logger.error("\t%s: %s" % (doc.content[KEY_ADDRESS_KEY], + doc.content[KEY_FINGERPRINT_KEY])) + + doclist.sort(key=lambda doc: doc.content[KEY_REFRESHED_AT_KEY], + reverse=True) + log_key_doc(doclist[0]) + deferreds = [] + for doc in doclist[1:]: + log_key_doc(doc) + d = self._soledad.delete_doc(doc) + deferreds.append(d) + + logger.error("") + logger.error(traceback.extract_stack()) + logger.error("BUG (please report above info) ------------------------") + return defer.gatherResults(deferreds, consumeErrors=True) + # # Data encryption, decryption, signing and verifying # |