diff options
Diffstat (limited to 'src/leap/services/mail/smtpbootstrapper.py')
-rw-r--r-- | src/leap/services/mail/smtpbootstrapper.py | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/leap/services/mail/smtpbootstrapper.py b/src/leap/services/mail/smtpbootstrapper.py new file mode 100644 index 00000000..7e0f10de --- /dev/null +++ b/src/leap/services/mail/smtpbootstrapper.py @@ -0,0 +1,169 @@ +# -*- coding: utf-8 -*- +# smtpbootstrapper.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +""" +SMTP bootstrapping +""" + +import logging +import os + +import requests + +from PySide import QtCore + +from leap.common.check import leap_assert, leap_assert_type +from leap.common.files import get_mtime +from leap.config.providerconfig import ProviderConfig +from leap.crypto.srpauth import SRPAuth +from leap.util.request_helpers import get_content + +logger = logging.getLogger(__name__) + + +class SMTPBootstrapper(QtCore.QObject): + """ + SMTP init procedure + """ + + PASSED_KEY = "passed" + ERROR_KEY = "error" + + IDLE_SLEEP_INTERVAL = 100 + + # All dicts returned are of the form + # {"passed": bool, "error": str} + download_config = QtCore.Signal(dict) + + def __init__(self): + QtCore.QObject.__init__(self) + + # **************************************************** # + # Dependency injection helpers, override this for more + # granular testing + self._fetcher = requests + # **************************************************** # + + self._session = self._fetcher.session() + self._provider_config = None + self._smtp_config = None + self._download_if_needed = False + + def _download_config(self): + """ + Downloads the SMTP config for the given provider + + :return: True if everything went as expected, False otherwise + :rtype: bool + """ + + leap_assert(self._provider_config, + "We need a provider configuration!") + + logger.debug("Downloading SMTP config for %s" % + (self._provider_config.get_domain(),)) + + download_config_data = { + self.PASSED_KEY: False, + self.ERROR_KEY: "" + } + + try: + headers = {} + mtime = get_mtime(os.path.join(self._smtp_config + .get_path_prefix(), + "leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json")) + + if self._download_if_needed and mtime: + headers['if-modified-since'] = mtime + + # there is some confusion with this uri, + config_uri = "%s/%s/config/smtp-service.json" % ( + self._provider_config.get_api_uri(), + self._provider_config.get_api_version()) + logger.debug('Downloading SMTP config from: %s' % config_uri) + + srp_auth = SRPAuth(self._provider_config) + session_id = srp_auth.get_session_id() + cookies = None + if session_id: + cookies = {"_session_id": session_id} + + res = self._session.get(config_uri, + verify=self._provider_config + .get_ca_cert_path(), + headers=headers, + cookies=cookies) + res.raise_for_status() + + # Not modified + if res.status_code == 304: + logger.debug("SMTP definition has not been modified") + self._smtp_config.load(os.path.join("leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json")) + else: + smtp_definition, mtime = get_content(res) + + self._smtp_config.load(data=smtp_definition, mtime=mtime) + self._smtp_config.save(["leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json"]) + + download_config_data[self.PASSED_KEY] = True + except Exception as e: + download_config_data[self.PASSED_KEY] = False + download_config_data[self.ERROR_KEY] = "%s" % (e,) + + logger.debug("Emitting download_config %s" % (download_config_data,)) + self.download_config.emit(download_config_data) + + return download_config_data[self.PASSED_KEY] + + def run_smtp_setup_checks(self, + checker, + provider_config, + smtp_config, + download_if_needed=False): + """ + Starts the checks needed for a new smtp setup + + :param checker: Object that executes actions in a different + thread + :type checker: leap.util.checkerthread.CheckerThread + :param provider_config: Provider configuration + :type provider_config: ProviderConfig + :param smtp_config: SMTP configuration to populate + :type smtp_config: SMTPConfig + :param download_if_needed: True if it should check for mtime + for the file + :type download_if_needed: bool + """ + leap_assert_type(provider_config, ProviderConfig) + + self._provider_config = provider_config + self._smtp_config = smtp_config + self._download_if_needed = download_if_needed + + checker.add_checks([ + self._download_config + ]) |