def recreate_internal_db(self):
"""
Recreating the internal db because it is corrupted
or not exists .The internal structure for every cert will be like :
'cert_hash':{
'cert_subject':"value of the subject",
'cert_file':"value of the file name",
'chain':True,False
}
"""
from imzaci.util.cert_util import parse_pem_cert
from imzaci.cert.chain_manager import chain_manager_factory, X509ChainManager
internal_file_path = os.path.join(self.__db_dir, INTERNAL_DB_FILE)
if os.path.exists(internal_file_path):
index_files = glob.glob("".join([internal_file_path, "*"]))
# print "The index files to remove : ",index_files
for index_file in index_files:
os.remove(index_file)
possible_certs = glob.glob("".join([self.__db_dir, "/", "*.pem"]))
if not possible_certs:
write_index_data(self.__db_dir, {})
return True
for cert_file in possible_certs:
parsed_object = parse_pem_cert(cert_file)
if not parsed_object:
continue
if len(parsed_object) > 1: # it may be a chain
chain = chain_manager_factory(parsed_object, X509ChainManager.X509_CERT)
if not chain: # it seems we dont have a valid chain here
continue
else:
for c in chain:
cert_entry = self.__create_entry_index(
c, cert_file, is_chain=True, chain_hash=chain.get_chain_hash()
)
write_index_data(self.__db_dir, cert_entry)
else:
# it is a single one
cert_entry = self.__create_entry_index(parsed_object[0], cert_file, is_chain=False)
write_index_data(self.__db_dir, cert_entry)
return True
def load_chain_file(chain_file):
"""
Loads a chain from a single file
Works for pattern :
----BEGIN CERT----
----END CERT-----
"""
from imzaci.util.cert_util import parse_pem_cert
import os
if not os.path.exists(chain_file):
print "Chain file doesnt exists"
return None
chain_place = parse_pem_cert(chain_file)
if not chain_place:
print "Error when loading the chain file ",chain_file
return None
result=chain_manager_factory(chain_place,X509ChainManager.X509_CERT)
return result
