From 70c402fe170ca4e01159b03739b7cacda7b0dfd0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= Date: Wed, 13 Mar 2013 09:43:13 -0300 Subject: Add mtime check for existing json definitions before download Also, wait for threads to finish when quitting --- src/leap/services/eip/providerbootstrapper.py | 59 ++++++++++++--------------- 1 file changed, 25 insertions(+), 34 deletions(-) (limited to 'src/leap/services/eip/providerbootstrapper.py') diff --git a/src/leap/services/eip/providerbootstrapper.py b/src/leap/services/eip/providerbootstrapper.py index 0e9f8563..f1a917f0 100644 --- a/src/leap/services/eip/providerbootstrapper.py +++ b/src/leap/services/eip/providerbootstrapper.py @@ -31,7 +31,7 @@ from PySide import QtGui, QtCore from leap.config.providerconfig import ProviderConfig from leap.util.check import leap_assert, leap_assert_type from leap.util.checkerthread import CheckerThread -from leap.util.files import check_and_fix_urw_only +from leap.util.files import check_and_fix_urw_only, get_mtime logger = logging.getLogger(__name__) @@ -72,25 +72,6 @@ class ProviderBootstrapper(QtCore.QObject): self._provider_config = None self._download_if_needed = False - def _should_proceed_provider(self): - """ - Returns False if provider.json already exists for the given - domain. True otherwise - - @rtype: bool - """ - if not self._download_if_needed: - return True - - # We don't really need a provider config at this stage, just - # the path prefix - return not os.path.exists(os.path.join(ProviderConfig() - .get_path_prefix(), - "leap", - "providers", - self._domain, - "provider.json")) - def _check_name_resolution(self): """ Checks that the name resolution for the provider name works @@ -171,24 +152,34 @@ class ProviderBootstrapper(QtCore.QObject): self.ERROR_KEY: "" } - if not self._should_proceed_provider(): - download_data[self.PASSED_KEY] = True - self.download_provider_info.emit(download_data) - return True - try: + headers = {} + mtime = get_mtime(os.path.join(ProviderConfig() + .get_path_prefix(), + "leap", + "providers", + self._domain, + "provider.json")) + if self._download_if_needed and mtime: + headers['if-modified-since'] = mtime + res = self._session.get("https://%s/%s" % (self._domain, - "provider.json")) + "provider.json"), + headers=headers) res.raise_for_status() - provider_definition = res.content - - provider_config = ProviderConfig() - provider_config.load(data=provider_definition) - provider_config.save(["leap", - "providers", - self._domain, - "provider.json"]) + # Not modified + if res.status_code == 304: + logger.debug("Provider definition has not been modified") + else: + provider_definition = res.content + + provider_config = ProviderConfig() + provider_config.load(data=provider_definition) + provider_config.save(["leap", + "providers", + self._domain, + "provider.json"]) download_data[self.PASSED_KEY] = True except Exception as e: -- cgit v1.2.3