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authorRuben Pollan <meskio@sindominio.net>2017-05-16 18:57:16 +0200
committerRuben Pollan <meskio@sindominio.net>2017-06-05 19:42:13 +0200
commit97774379834f0a06731093de54c986f8f7fd51a3 (patch)
tree1c5c11be27a289d2f0ea02fdac4dfd96954b9c68 /src/leap/bitmask/bonafide
parent0edc6cf6a4270e94443fc6c8bfa73c5ca1ad5d92 (diff)
[bug] fail bonafide bootstrap for self sign certs
- Resolves: #8881
Diffstat (limited to 'src/leap/bitmask/bonafide')
-rw-r--r--src/leap/bitmask/bonafide/_protocol.py4
-rw-r--r--src/leap/bitmask/bonafide/config.py76
-rw-r--r--src/leap/bitmask/bonafide/session.py2
3 files changed, 47 insertions, 35 deletions
diff --git a/src/leap/bitmask/bonafide/_protocol.py b/src/leap/bitmask/bonafide/_protocol.py
index 0de5b7c..004359e 100644
--- a/src/leap/bitmask/bonafide/_protocol.py
+++ b/src/leap/bitmask/bonafide/_protocol.py
@@ -110,7 +110,7 @@ class BonafideProtocol(object):
provider = config.Provider(provider_id, autoconf=autoconf)
- def maybe_finish_provider_bootstrap(result, provider):
+ def maybe_finish_provider_bootstrap(result):
session = self._get_session(provider, full_id, password)
d = provider.download_services_config_with_auth(session)
d.addCallback(lambda _: result)
@@ -118,7 +118,7 @@ class BonafideProtocol(object):
d = provider.callWhenReady(
self._do_authenticate, provider, full_id, password)
- d.addCallback(maybe_finish_provider_bootstrap, provider)
+ d.addCallback(maybe_finish_provider_bootstrap)
return d
def _do_authenticate(self, provider, full_id, password):
diff --git a/src/leap/bitmask/bonafide/config.py b/src/leap/bitmask/bonafide/config.py
index 5f3bff9..1e6e550 100644
--- a/src/leap/bitmask/bonafide/config.py
+++ b/src/leap/bitmask/bonafide/config.py
@@ -32,17 +32,16 @@ from cryptography.x509 import load_pem_x509_certificate
from urlparse import urlparse
from twisted.internet import defer, reactor
-from twisted.internet.ssl import ClientContextFactory
from twisted.logger import Logger
-from twisted.web.client import Agent, downloadPage
+from twisted.web.client import downloadPage
-from leap.bitmask.bonafide._http import httpRequest
from leap.bitmask.bonafide.provider import Discovery
from leap.bitmask.bonafide.errors import NotConfiguredError, NetworkError
from leap.common.check import leap_assert
from leap.common.config import get_path_prefix as common_get_path_prefix
from leap.common.files import mkdir_p
+from leap.common.http import HTTPClient
APPNAME = "bonafide"
@@ -161,8 +160,6 @@ def delete_provider(domain):
class Provider(object):
- # TODO add validation
-
SERVICES_MAP = {
'openvpn': ['eip'],
'mx': ['soledad', 'smtp']}
@@ -174,8 +171,7 @@ class Provider(object):
stuck_bootstrap = defaultdict(None)
def __init__(self, domain, autoconf=False, basedir=None,
- check_certificate=True):
- # TODO: I need a way to know if it was already configured
+ cert_path=None):
if not basedir:
basedir = os.path.join(_preffix, 'leap')
self._basedir = os.path.expanduser(basedir)
@@ -184,18 +180,13 @@ class Provider(object):
self._provider_config = None
is_configured = self.is_configured()
- if not is_configured:
- check_certificate = False
-
- if check_certificate:
- self.contextFactory = None
+ if is_configured:
+ self._http = HTTPClient(self._get_ca_cert_path())
else:
- # XXX we should do this only for the FIRST provider download.
- # For the rest, we should pass the ca cert to the agent.
- # That means that RIGHT AFTER DOWNLOADING provider_info,
- # we should instantiate a new Agent...
- self.contextFactory = WebClientContextFactory()
- self._agent = Agent(reactor, self.contextFactory)
+ # TODO: we distribute our own cert bundle but it's too outdated,
+ # let's use for now the one from the system
+ # see: leap.common.ca_bundle.where()
+ self._http = HTTPClient(cert_path)
self._load_provider_json()
@@ -260,6 +251,8 @@ class Provider(object):
ongoing = self.ongoing_bootstrap.get(domain)
if ongoing:
self.log.debug('Already bootstrapping this provider...')
+ self.ongoing_bootstrap[domain].addCallback(
+ self._reload_http_client)
return
self.first_bootstrap[self._domain] = defer.Deferred()
@@ -270,10 +263,14 @@ class Provider(object):
except defer.AlreadyCalledError:
pass
+ def first_bootstrap_error(failure):
+ self.first_bootstrap[domain].errback(failure)
+ return failure
+
d = self.maybe_download_provider_info()
d.addCallback(self.maybe_download_ca_cert)
d.addCallback(self.validate_ca_cert)
- d.addCallback(first_bootstrap_done)
+ d.addCallbacks(first_bootstrap_done, first_bootstrap_error)
d.addCallback(self.maybe_download_services_config)
self.ongoing_bootstrap[domain] = d
@@ -311,7 +308,8 @@ class Provider(object):
shutil.rmtree(folders)
raise NetworkError(failure.getErrorMessage())
- d = downloadPage(uri, provider_json, method=met)
+ d = self._http.request(uri, method=met)
+ d.addCallback(_write_to_file, provider_json)
d.addCallback(lambda _: self._load_provider_json())
d.addErrback(errback)
return d
@@ -326,20 +324,27 @@ class Provider(object):
"""
:rtype: deferred
"""
-
- def errback(self, failure):
- raise NetworkError(failure.getErrorMessage())
-
path = self._get_ca_cert_path()
if is_file(path):
return defer.succeed('ca_cert_path_already_exists')
+ def errback(failure):
+ raise NetworkError(failure.getErrorMessage())
+
uri = self._get_ca_cert_uri()
mkdir_p(os.path.split(path)[0])
+
+ # We don't validate the TLS cert for this connection,
+ # just check the fingerprint of the ca.cert
d = downloadPage(uri, path)
+ d.addCallback(self._reload_http_client)
d.addErrback(errback)
return d
+ def _reload_http_client(self, ret):
+ self._http = HTTPClient(self._get_ca_cert_path())
+ return ret
+
def validate_ca_cert(self, ignored):
expected = self._get_expected_ca_cert_fingerprint()
algo, expectedfp = expected.split(':')
@@ -377,6 +382,12 @@ class Provider(object):
# UNAUTHENTICATED if we try to get the services
# See: # https://leap.se/code/issues/7906
+ def check_error(content):
+ c = json.loads(content)
+ if 'error' in c:
+ raise Exception(c['error'])
+ return content
+
def further_bootstrap_needs_auth(ignored):
self.log.warn('Cannot download services config yet, need auth')
pending_deferred = defer.Deferred()
@@ -385,7 +396,9 @@ class Provider(object):
uri, met, path = self._get_configs_download_params()
- d = downloadPage(uri, path, method=met)
+ d = self._http.request(uri, method=met)
+ d.addCallback(check_error)
+ d.addCallback(_write_to_file, path)
d.addCallback(lambda _: self._load_provider_json())
d.addCallback(
lambda _: self._get_config_for_all_services(session=None))
@@ -553,13 +566,10 @@ class Provider(object):
def _fetch_provider_configs_unauthenticated(self, uri, path):
self.log.info('Downloading config for %s...' % uri)
- d = downloadPage(uri, path, method='GET')
+ d = self._http.request(uri)
+ d.addCallback(_write_to_file, path)
return d
- def _http_request(self, *args, **kw):
- # XXX pass if-modified-since header
- return httpRequest(self._agent, *args, **kw)
-
class Record(object):
def __init__(self, **kw):
@@ -569,9 +579,9 @@ class Record(object):
return self.__dict__
-class WebClientContextFactory(ClientContextFactory):
- def getContext(self, hostname, port):
- return ClientContextFactory.getContext(self)
+def _write_to_file(content, path):
+ with open(path, 'w') as f:
+ f.write(content)
if __name__ == '__main__':
diff --git a/src/leap/bitmask/bonafide/session.py b/src/leap/bitmask/bonafide/session.py
index 551bfa2..a05e209 100644
--- a/src/leap/bitmask/bonafide/session.py
+++ b/src/leap/bitmask/bonafide/session.py
@@ -169,6 +169,8 @@ class Session(object):
return self._request(self._agent, uri, method=met)
def _request(self, *args, **kw):
+ # TODO: we are not pinning the TLS cert of the API
+ # maybe we can use leap.common.http
kw['token'] = self._token
return httpRequest(*args, **kw)