Auto refresh provider certificate on start.

- Issue #333

2 files changed, 15 insertions, 2 deletions

diff --git a/service/pixelated/bitmask_libraries/certs.py b/service/pixelated/bitmask_libraries/certs.py
index bafc809d..6b12bce4 100644
--- a/service/pixelated/bitmask_libraries/certs.py
+++ b/service/pixelated/bitmask_libraries/certs.py
@@ -36,6 +36,10 @@ def which_bootstrap_bundle(provider):
     return str(LeapCertificate(provider).auto_detect_bootstrap_ca_bundle())
 
 
+def refresh_ca_bundle(provider):
+    LeapCertificate(provider).refresh_ca_bundle()
+
+
 class LeapCertificate(object):
     def __init__(self, provider):
         self._config = provider.config
@@ -57,14 +61,21 @@ class LeapCertificate(object):
         if self._provider.config.ca_cert_bundle:
             return self._provider.config.ca_cert_bundle
 
-        certs_root = self._provider_certs_root_path()
-        cert_file = os.path.join(certs_root, 'provider.pem')
+        cert_file = self._provider_cert_file()
 
         if not os.path.isfile(cert_file):
             self._download_server_cert(cert_file)
 
         return cert_file
 
+    def refresh_ca_bundle(self):
+        cert_file = self._provider_cert_file()
+        self._download_server_cert(cert_file)
+
+    def _provider_cert_file(self):
+        certs_root = self._provider_certs_root_path()
+        return os.path.join(certs_root, 'provider.pem')
+
     def _provider_certs_root_path(self):
         path = os.path.join(self._provider.config.leap_home, 'providers', self._server_name, 'keys', 'client')
         if not os.path.isdir(path):
diff --git a/service/pixelated/bitmask_libraries/session.py b/service/pixelated/bitmask_libraries/session.py
index b23d964f..c0c8f712 100644
--- a/service/pixelated/bitmask_libraries/session.py
+++ b/service/pixelated/bitmask_libraries/session.py
@@ -24,6 +24,7 @@ from leap.mail.imap.memorystore import MemoryStore
 from leap.mail.imap.soledadstore import SoledadStore
 from pixelated.bitmask_libraries.config import LeapConfig
 from pixelated.bitmask_libraries.provider import LeapProvider
+from pixelated.bitmask_libraries.certs import refresh_ca_bundle
 from twisted.internet import reactor
 from .nicknym import NickNym
 from .auth import LeapAuthenticator, LeapCredentials
@@ -40,6 +41,7 @@ def open(username, password, server_name, leap_home=DEFAULT_LEAP_HOME):
 
     config = LeapConfig(leap_home=leap_home, certs_home=certs_home)
     provider = LeapProvider(server_name, config)
+    refresh_ca_bundle(provider)
     session = LeapSessionFactory(provider).create(LeapCredentials(username, password))
 
     return session