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-rw-r--r--src/leap/bitmask/provider/providerbootstrapper.py45
1 files changed, 33 insertions, 12 deletions
diff --git a/src/leap/bitmask/provider/providerbootstrapper.py b/src/leap/bitmask/provider/providerbootstrapper.py
index 947ba0c9..531d255e 100644
--- a/src/leap/bitmask/provider/providerbootstrapper.py
+++ b/src/leap/bitmask/provider/providerbootstrapper.py
@@ -24,12 +24,13 @@ import sys
import requests
+from leap.bitmask.config import flags
from leap.bitmask.config.providerconfig import ProviderConfig, MissingCACert
from leap.bitmask.util.request_helpers import get_content
from leap.bitmask import util
from leap.bitmask.util.constants import REQUEST_TIMEOUT
from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper
-from leap.bitmask.provider.supportedapis import SupportedAPIs
+from leap.bitmask import provider
from leap.common import ca_bundle
from leap.common.certs import get_digest
from leap.common.files import check_and_fix_urw_only, get_mtime, mkdir_p
@@ -45,6 +46,14 @@ class UnsupportedProviderAPI(Exception):
pass
+class UnsupportedClientVersionError(Exception):
+ """
+ Raised when attempting to use a provider with an older
+ client than supported.
+ """
+ pass
+
+
class WrongFingerprint(Exception):
"""
Raised when a fingerprint comparison does not match.
@@ -59,6 +68,8 @@ class ProviderBootstrapper(AbstractBootstrapper):
If a check fails, the subsequent checks are not executed
"""
+ MIN_CLIENT_VERSION = 'x-minimum-client-version'
+
def __init__(self, signaler=None, bypass_checks=False):
"""
Constructor for provider bootstrapper object
@@ -187,6 +198,8 @@ class ProviderBootstrapper(AbstractBootstrapper):
res.raise_for_status()
logger.debug("Request status code: {0}".format(res.status_code))
+ min_client_version = res.headers.get(self.MIN_CLIENT_VERSION, '0')
+
# Not modified
if res.status_code == 304:
logger.debug("Provider definition has not been modified")
@@ -194,6 +207,12 @@ class ProviderBootstrapper(AbstractBootstrapper):
# end refactor, more or less...
# XXX Watch out, have to check the supported api yet.
else:
+ if flags.APP_VERSION_CHECK:
+ if not provider.supports_client(min_client_version):
+ self._signaler.signal(
+ self._signaler.PROV_UNSUPPORTED_CLIENT)
+ raise UnsupportedClientVersionError()
+
provider_definition, mtime = get_content(res)
provider_config = ProviderConfig()
@@ -201,17 +220,19 @@ class ProviderBootstrapper(AbstractBootstrapper):
provider_config.save(["leap", "providers",
domain, "provider.json"])
- api_version = provider_config.get_api_version()
- if SupportedAPIs.supports(api_version):
- logger.debug("Provider definition has been modified")
- else:
- api_supported = ', '.join(SupportedAPIs.SUPPORTED_APIS)
- error = ('Unsupported provider API version. '
- 'Supported versions are: {0}. '
- 'Found: {1}.').format(api_supported, api_version)
-
- logger.error(error)
- raise UnsupportedProviderAPI(error)
+ if flags.API_VERSION_CHECK:
+ api_version = provider_config.get_api_version()
+ if provider.supports_api(api_version):
+ logger.debug("Provider definition has been modified")
+ else:
+ api_supported = ', '.join(provider.SUPPORTED_APIS)
+ error = ('Unsupported provider API version. '
+ 'Supported versions are: {0}. '
+ 'Found: {1}.').format(api_supported, api_version)
+
+ logger.error(error)
+ self._signaler.signal(self._signaler.PROV_UNSUPPORTED_API)
+ raise UnsupportedProviderAPI(error)
def run_provider_select_checks(self, domain, download_if_needed=False):
"""