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Diffstat (limited to 'scripts/docker/files/client_side_db.py')
| -rw-r--r-- | scripts/docker/files/client_side_db.py | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/scripts/docker/files/client_side_db.py b/scripts/docker/files/client_side_db.py new file mode 100644 index 00000000..4be33d13 --- /dev/null +++ b/scripts/docker/files/client_side_db.py @@ -0,0 +1,322 @@ +#!/usr/bin/python + +import os +import argparse +import tempfile +import getpass +import requests +import srp._pysrp as srp +import binascii +import logging +import json +import time + +from twisted.internet import reactor +from twisted.internet.defer import inlineCallbacks + +from leap.soledad.client import Soledad +from leap.keymanager import KeyManager +from leap.keymanager.openpgp import OpenPGPKey + +from leap.common.events import server +server.ensure_server() + +from util import ValidateUserHandle + + +""" +Script to give access to client-side Soledad database. + +This is mainly used for tests, but can also be used to recover data from a +Soledad database (public/private keys, export documents, etc). + +To speed up testing/debugging, this script can dump the auth data after +logging in. Use the --export-auth-data option to export auth data to a file. +The contents of the file is a json dictionary containing the uuid, server_url, +cert_file and token, which is enough info to instantiate a soledad client +without having to interact with the webapp again. Use the --use-auth-data +option to use the auth data stored in a file. + +Use the --help option to see available options. +""" + + +# create a logger +logger = logging.getLogger(__name__) +LOG_FORMAT = '%(asctime)s %(message)s' +logging.basicConfig(format=LOG_FORMAT, level=logging.DEBUG) + + +safe_unhexlify = lambda x: binascii.unhexlify(x) if ( + len(x) % 2 == 0) else binascii.unhexlify('0' + x) + + +def _fail(reason): + logger.error('Fail: ' + reason) + exit(2) + + +def _get_api_info(provider): + info = requests.get( + 'https://' + provider + '/provider.json', verify=False).json() + return info['api_uri'], info['api_version'] + + +def _login(username, passphrase, provider, api_uri, api_version): + usr = srp.User(username, passphrase, srp.SHA256, srp.NG_1024) + auth = None + try: + auth = _authenticate(api_uri, api_version, usr).json() + except requests.exceptions.ConnectionError: + _fail('Could not connect to server.') + if 'errors' in auth: + _fail(str(auth['errors'])) + return api_uri, api_version, auth + + +def _authenticate(api_uri, api_version, usr): + api_url = "%s/%s" % (api_uri, api_version) + session = requests.session() + uname, A = usr.start_authentication() + params = {'login': uname, 'A': binascii.hexlify(A)} + init = session.post( + api_url + '/sessions', data=params, verify=False).json() + if 'errors' in init: + _fail('test user not found') + M = usr.process_challenge( + safe_unhexlify(init['salt']), safe_unhexlify(init['B'])) + return session.put(api_url + '/sessions/' + uname, verify=False, + data={'client_auth': binascii.hexlify(M)}) + + +def _get_soledad_info(username, provider, passphrase, basedir): + api_uri, api_version = _get_api_info(provider) + auth = _login(username, passphrase, provider, api_uri, api_version) + # get soledad server url + service_url = '%s/%s/config/soledad-service.json' % \ + (api_uri, api_version) + soledad_hosts = requests.get(service_url, verify=False).json()['hosts'] + hostnames = soledad_hosts.keys() + # allow for choosing the host + host = hostnames[0] + if len(hostnames) > 1: + i = 1 + print "There are many available hosts:" + for h in hostnames: + print " (%d) %s.%s" % (i, h, provider) + i += 1 + choice = raw_input("Choose a host to use (default: 1): ") + if choice != '': + host = hostnames[int(choice) - 1] + server_url = 'https://%s:%d/user-%s' % \ + (soledad_hosts[host]['hostname'], soledad_hosts[host]['port'], + auth[2]['id']) + # get provider ca certificate + ca_cert = requests.get('https://%s/ca.crt' % provider, verify=False).text + cert_file = os.path.join(basedir, 'ca.crt') + with open(cert_file, 'w') as f: + f.write(ca_cert) + return auth[2]['id'], server_url, cert_file, auth[2]['token'] + + +def _get_soledad_instance(uuid, passphrase, basedir, server_url, cert_file, + token): + # setup soledad info + logger.info('UUID is %s' % uuid) + logger.info('Server URL is %s' % server_url) + secrets_path = os.path.join( + basedir, '%s.secret' % uuid) + local_db_path = os.path.join( + basedir, '%s.db' % uuid) + # instantiate soledad + return Soledad( + uuid, + unicode(passphrase), + secrets_path=secrets_path, + local_db_path=local_db_path, + server_url=server_url, + cert_file=cert_file, + auth_token=token, + defer_encryption=True) + + +def _get_keymanager_instance(username, provider, soledad, token, + ca_cert_path=None, api_uri=None, api_version=None, + uid=None, gpgbinary=None): + return KeyManager( + "{username}@{provider}".format(username=username, provider=provider), + "http://uri", + soledad, + token=token, + ca_cert_path=ca_cert_path, + api_uri=api_uri, + api_version=api_version, + uid=uid, + gpgbinary=gpgbinary) + + +def _parse_args(): + # parse command line + parser = argparse.ArgumentParser() + parser.add_argument( + 'user@provider', action=ValidateUserHandle, help='the user handle') + parser.add_argument( + '--basedir', '-b', default=None, + help='soledad base directory') + parser.add_argument( + '--passphrase', '-p', default=None, + help='the user passphrase') + parser.add_argument( + '--get-all-docs', '-a', action='store_true', + help='get all documents from the local database') + parser.add_argument( + '--create-docs', '-c', default=0, type=int, + help='create a number of documents') + parser.add_argument( + '--sync', '-s', action='store_true', + help='synchronize with the server replica') + parser.add_argument( + '--repeat-sync', '-r', action='store_true', + help='repeat synchronization until no new data is received') + parser.add_argument( + '--export-public-key', help="export the public key to a file") + parser.add_argument( + '--export-private-key', help="export the private key to a file") + parser.add_argument( + '--export-incoming-messages', + help="export incoming messages to a directory") + parser.add_argument( + '--export-auth-data', + help="export authentication data to a file") + parser.add_argument( + '--use-auth-data', + help="use authentication data from a file") + return parser.parse_args() + + +def _get_passphrase(args): + passphrase = args.passphrase + if passphrase is None: + passphrase = getpass.getpass( + 'Password for %s@%s: ' % (args.username, args.provider)) + return passphrase + + +def _get_basedir(args): + basedir = args.basedir + if basedir is None: + basedir = tempfile.mkdtemp() + elif not os.path.isdir(basedir): + os.mkdir(basedir) + logger.info('Using %s as base directory.' % basedir) + return basedir + + +@inlineCallbacks +def _export_key(args, km, fname, private=False): + address = args.username + "@" + args.provider + pkey = yield km.get_key( + address, OpenPGPKey, private=private, fetch_remote=False) + with open(args.export_private_key, "w") as f: + f.write(pkey.key_data) + + +@inlineCallbacks +def _export_incoming_messages(soledad, directory): + yield soledad.create_index("by-incoming", "bool(incoming)") + docs = yield soledad.get_from_index("by-incoming", '1') + i = 1 + for doc in docs: + with open(os.path.join(directory, "message_%d.gpg" % i), "w") as f: + f.write(doc.content["_enc_json"]) + i += 1 + + +@inlineCallbacks +def _get_all_docs(soledad): + _, docs = yield soledad.get_all_docs() + for doc in docs: + print json.dumps(doc.content, indent=4) + + +# main program + +@inlineCallbacks +def _main(soledad, km, args): + try: + if args.create_docs: + for i in xrange(args.create_docs): + t = time.time() + logger.debug( + "Creating doc %d/%d..." % (i + 1, args.create_docs)) + content = { + 'datetime': time.strftime( + "%Y-%m-%d %H:%M:%S", time.gmtime(t)), + 'timestamp': t, + 'index': i, + 'total': args.create_docs, + } + yield soledad.create_doc(content) + if args.sync: + yield soledad.sync() + if args.repeat_sync: + old_gen = 0 + new_gen = yield soledad.sync() + while old_gen != new_gen: + old_gen = new_gen + new_gen = yield soledad.sync() + if args.get_all_docs: + yield _get_all_docs(soledad) + if args.export_private_key: + yield _export_key(args, km, args.export_private_key, private=True) + if args.export_public_key: + yield _export_key(args, km, args.expoert_public_key, private=False) + if args.export_incoming_messages: + yield _export_incoming_messages( + soledad, args.export_incoming_messages) + except Exception as e: + logger.error(e) + finally: + soledad.close() + reactor.callWhenRunning(reactor.stop) + + +if __name__ == '__main__': + args = _parse_args() + passphrase = _get_passphrase(args) + basedir = _get_basedir(args) + + if not args.use_auth_data: + # get auth data from server + uuid, server_url, cert_file, token = \ + _get_soledad_info( + args.username, args.provider, passphrase, basedir) + else: + # load auth data from file + with open(args.use_auth_data) as f: + auth_data = json.loads(f.read()) + uuid = auth_data['uuid'] + server_url = auth_data['server_url'] + cert_file = auth_data['cert_file'] + token = auth_data['token'] + + # export auth data to a file + if args.export_auth_data: + with open(args.export_auth_data, "w") as f: + f.write(json.dumps({ + 'uuid': uuid, + 'server_url': server_url, + 'cert_file': cert_file, + 'token': token, + })) + + soledad = _get_soledad_instance( + uuid, passphrase, basedir, server_url, cert_file, token) + km = _get_keymanager_instance( + args.username, + args.provider, + soledad, + token, + uid=uuid) + _main(soledad, km, args) + reactor.run() |