diff options
Diffstat (limited to 'src/leap')
| -rw-r--r-- | src/leap/bitmask/crypto/certs.py | 80 | ||||
| -rw-r--r-- | src/leap/bitmask/gui/mainwindow.py | 68 | ||||
| -rw-r--r-- | src/leap/bitmask/services/__init__.py | 99 | ||||
| -rw-r--r-- | src/leap/bitmask/services/eip/eipbootstrapper.py | 93 | ||||
| -rw-r--r-- | src/leap/bitmask/services/eip/eipconfig.py | 8 | ||||
| -rw-r--r-- | src/leap/bitmask/services/mail/smtpbootstrapper.py | 97 | ||||
| -rw-r--r-- | src/leap/bitmask/services/mail/smtpconfig.py | 36 | ||||
| -rw-r--r-- | src/leap/bitmask/services/soledad/soledadconfig.py | 8 |
8 files changed, 318 insertions, 171 deletions
diff --git a/src/leap/bitmask/crypto/certs.py b/src/leap/bitmask/crypto/certs.py new file mode 100644 index 00000000..244decfd --- /dev/null +++ b/src/leap/bitmask/crypto/certs.py @@ -0,0 +1,80 @@ +# -*- coding: utf-8 -*- +# certs.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/>. +""" +Utilities for dealing with client certs +""" +import logging +import os + +from leap.bitmask.crypto.srpauth import SRPAuth +from leap.bitmask.util.constants import REQUEST_TIMEOUT +from leap.common.files import check_and_fix_urw_only +from leap.common.files import mkdir_p + +from leap.common import certs as leap_certs + +logger = logging.getLogger(__name__) + + +def download_client_cert(provider_config, path, session): + """ + Downloads the client certificate for each service. + + :param provider_config: instance of a ProviderConfig + :type provider_config: ProviderConfig + :param path: the path to download the cert to. + :type path: str + :param session: a fetcher.session instance. For the moment we only + support requests.sessions + :type session: requests.sessions.Session + """ + # TODO we should implement the @with_srp_auth decorator + # again. + srp_auth = SRPAuth(provider_config) + session_id = srp_auth.get_session_id() + cookies = None + if session_id: + cookies = {"_session_id": session_id} + cert_uri = "%s/%s/cert" % ( + provider_config.get_api_uri(), + provider_config.get_api_version()) + logger.debug('getting cert from uri: %s' % cert_uri) + + res = session.get(cert_uri, + verify=provider_config + .get_ca_cert_path(), + cookies=cookies, + timeout=REQUEST_TIMEOUT) + res.raise_for_status() + client_cert = res.content + + if not leap_certs.is_valid_pemfile(client_cert): + # XXX raise more specific exception. + raise Exception("The downloaded certificate is not a " + "valid PEM file") + + mkdir_p(os.path.dirname(path)) + + try: + with open(path, "w") as f: + f.write(client_cert) + except IOError as exc: + logger.error( + "Error saving client cert: %r" % (exc,)) + raise + + check_and_fix_urw_only(path) diff --git a/src/leap/bitmask/gui/mainwindow.py b/src/leap/bitmask/gui/mainwindow.py index 89069151..1dbf39ef 100644 --- a/src/leap/bitmask/gui/mainwindow.py +++ b/src/leap/bitmask/gui/mainwindow.py @@ -1057,17 +1057,6 @@ class MainWindow(QtGui.QMainWindow): self._provider_config, self._smtp_config, True) - else: - if self._enabled_services.count(self.MX_SERVICE) > 0: - pass # TODO show MX status - #self._status_panel.set_eip_status( - # self.tr("%s does not support MX") % - # (self._provider_config.get_domain(),), - # error=True) - else: - pass # TODO show MX status - #self._status_panel.set_eip_status( - # self.tr("MX is disabled")) ################################################################### # Service control methods: smtp @@ -1090,7 +1079,12 @@ class MainWindow(QtGui.QMainWindow): logger.error(data[self._smtp_bootstrapper.ERROR_KEY]) return logger.debug("Done bootstrapping SMTP") + self._check_smtp_config() + def _check_smtp_config(self): + """ + Checks smtp config and tries to download smtp client cert if needed. + """ hosts = self._smtp_config.get_hosts() # TODO handle more than one host and define how to choose if len(hosts) > 0: @@ -1098,24 +1092,40 @@ class MainWindow(QtGui.QMainWindow): logger.debug("Using hostname %s for SMTP" % (hostname,)) host = hosts[hostname][self.IP_KEY].encode("utf-8") port = hosts[hostname][self.PORT_KEY] - # TODO move the start to _start_smtp_service - - # TODO Make the encrypted_only configurable - # TODO pick local smtp port in a better way - # TODO remove hard-coded port and let leap.mail set - # the specific default. - - from leap.mail.smtp import setup_smtp_relay - client_cert = self._eip_config.get_client_cert_path( - self._provider_config) - self._smtp_service = setup_smtp_relay( - port=2013, - keymanager=self._keymanager, - smtp_host=host, - smtp_port=port, - smtp_cert=client_cert, - smtp_key=client_cert, - encrypted_only=False) + + client_cert = self._smtp_config.get_client_cert_path( + self._provider_config, + about_to_download=True) + + if not os.path.isfile(client_cert): + self._smtp_bootstrapper._download_client_certificates() + if os.path.isfile(client_cert): + self._start_smtp_service(host, port, client_cert) + else: + logger.warning("Tried to download email client " + "certificate, but could not find any") + + else: + logger.warning("No smtp hosts configured") + + def _start_smtp_service(self, host, port, cert): + """ + Starts the smtp service. + """ + # TODO Make the encrypted_only configurable + # TODO pick local smtp port in a better way + # TODO remove hard-coded port and let leap.mail set + # the specific default. + + from leap.mail.smtp import setup_smtp_relay + self._smtp_service = setup_smtp_relay( + port=2013, + keymanager=self._keymanager, + smtp_host=host, + smtp_port=port, + smtp_cert=cert, + smtp_key=cert, + encrypted_only=False) def _stop_smtp_service(self): """ diff --git a/src/leap/bitmask/services/__init__.py b/src/leap/bitmask/services/__init__.py index 339f9cc6..2646235d 100644 --- a/src/leap/bitmask/services/__init__.py +++ b/src/leap/bitmask/services/__init__.py @@ -17,8 +17,22 @@ """ Services module. """ +import logging +import os + from PySide import QtCore + +from leap.bitmask.crypto.srpauth import SRPAuth +from leap.bitmask.util.constants import REQUEST_TIMEOUT from leap.bitmask.util.privilege_policies import is_missing_policy_permissions +from leap.bitmask.util.request_helpers import get_content + +from leap.common.check import leap_assert +from leap.common.config.baseconfig import BaseConfig +from leap.common.files import get_mtime + +logger = logging.getLogger(__name__) + DEPLOYED = ["openvpn", "mx"] @@ -70,3 +84,88 @@ def get_supported(services): :rtype: list of str """ return filter(lambda s: s in DEPLOYED, services) + + +def download_service_config(provider_config, service_config, + session, + download_if_needed=True): + """ + Downloads config for a given service. + + :param provider_config: an instance of ProviderConfig + :type provider_config: ProviderConfig + + :param service_config: an instance of a particular Service config. + :type service_config: BaseConfig + + :param session: an instance of a fetcher.session + (currently we're using requests only, but it can be + anything that implements that interface) + :type session: requests.sessions.Session + """ + service_name = service_config.name + service_json = "{0}-service.json".format(service_name) + headers = {} + mtime = get_mtime(os.path.join(service_config.get_path_prefix(), + "leap", + "providers", + provider_config.get_domain(), + service_json)) + if download_if_needed and mtime: + headers['if-modified-since'] = mtime + + api_version = provider_config.get_api_version() + + config_uri = "%s/%s/config/%s-service.json" % ( + provider_config.get_api_uri(), + api_version, + service_name) + logger.debug('Downloading %s config from: %s' % ( + service_name.upper(), + config_uri)) + + # XXX make and use @with_srp_auth decorator + srp_auth = SRPAuth(provider_config) + session_id = srp_auth.get_session_id() + cookies = None + if session_id: + cookies = {"_session_id": session_id} + + res = session.get(config_uri, + verify=provider_config.get_ca_cert_path(), + headers=headers, + timeout=REQUEST_TIMEOUT, + cookies=cookies) + res.raise_for_status() + + service_config.set_api_version(api_version) + + # Not modified + service_path = ("leap", "providers", provider_config.get_domain(), + service_json) + if res.status_code == 304: + logger.debug( + "{0} definition has not been modified".format( + service_name.upper())) + service_config.load(os.path.join(*service_path)) + else: + service_definition, mtime = get_content(res) + service_config.load(data=service_definition, mtime=mtime) + service_config.save(service_path) + + +class ServiceConfig(BaseConfig): + """ + Base class used by the different service configs + """ + + _service_name = None + + @property + def name(self): + """ + Getter for the service name. + Derived classes should assign it. + """ + leap_assert(self._service_name is not None) + return self._service_name diff --git a/src/leap/bitmask/services/eip/eipbootstrapper.py b/src/leap/bitmask/services/eip/eipbootstrapper.py index 6393e53a..5a238a1c 100644 --- a/src/leap/bitmask/services/eip/eipbootstrapper.py +++ b/src/leap/bitmask/services/eip/eipbootstrapper.py @@ -14,25 +14,22 @@ # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. - """ EIP bootstrapping """ - import logging import os from PySide import QtCore from leap.bitmask.config.providerconfig import ProviderConfig -from leap.bitmask.crypto.srpauth import SRPAuth -from leap.bitmask.services.eip.eipconfig import EIPConfig -from leap.bitmask.util.request_helpers import get_content -from leap.bitmask.util.constants import REQUEST_TIMEOUT +from leap.bitmask.crypto.certs import download_client_cert +from leap.bitmask.services import download_service_config from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper -from leap.common import certs +from leap.bitmask.services.eip.eipconfig import EIPConfig +from leap.common import certs as leap_certs from leap.common.check import leap_assert, leap_assert_type -from leap.common.files import check_and_fix_urw_only, get_mtime, mkdir_p +from leap.common.files import check_and_fix_urw_only logger = logging.getLogger(__name__) @@ -63,50 +60,15 @@ class EIPBootstrapper(AbstractBootstrapper): leap_assert(self._provider_config, "We need a provider configuration!") - logger.debug("Downloading EIP config for %s" % (self._provider_config.get_domain(),)) - api_version = self._provider_config.get_api_version() self._eip_config = EIPConfig() - self._eip_config.set_api_version(api_version) - - headers = {} - mtime = get_mtime(os.path.join(self._eip_config - .get_path_prefix(), - "leap", - "providers", - self._provider_config.get_domain(), - "eip-service.json")) - - if self._download_if_needed and mtime: - headers['if-modified-since'] = mtime - - # there is some confusion with this uri, - # it's in 1/config/eip, config/eip and config/1/eip... - config_uri = "%s/%s/config/eip-service.json" % ( - self._provider_config.get_api_uri(), - api_version) - logger.debug('Downloading eip config from: %s' % config_uri) - - res = self._session.get(config_uri, - verify=self._provider_config - .get_ca_cert_path(), - headers=headers, - timeout=REQUEST_TIMEOUT) - res.raise_for_status() - - # Not modified - if res.status_code == 304: - logger.debug("EIP definition has not been modified") - else: - eip_definition, mtime = get_content(res) - - self._eip_config.load(data=eip_definition, mtime=mtime) - self._eip_config.save(["leap", - "providers", - self._provider_config.get_domain(), - "eip-service.json"]) + download_service_config( + self._provider_config, + self._eip_config, + self._session, + self._download_if_needed) def _download_client_certificates(self, *args): """ @@ -124,40 +86,17 @@ class EIPBootstrapper(AbstractBootstrapper): # For re-download if something is wrong with the cert self._download_if_needed = self._download_if_needed and \ - not certs.should_redownload(client_cert_path) + not leap_certs.should_redownload(client_cert_path) if self._download_if_needed and \ - os.path.exists(client_cert_path): + os.path.isfile(client_cert_path): check_and_fix_urw_only(client_cert_path) return - srp_auth = SRPAuth(self._provider_config) - session_id = srp_auth.get_session_id() - cookies = None - if session_id: - cookies = {"_session_id": session_id} - cert_uri = "%s/%s/cert" % ( - self._provider_config.get_api_uri(), - self._provider_config.get_api_version()) - logger.debug('getting cert from uri: %s' % cert_uri) - res = self._session.get(cert_uri, - verify=self._provider_config - .get_ca_cert_path(), - cookies=cookies, - timeout=REQUEST_TIMEOUT) - res.raise_for_status() - client_cert = res.content - - if not certs.is_valid_pemfile(client_cert): - raise Exception(self.tr("The downloaded certificate is not a " - "valid PEM file")) - - mkdir_p(os.path.dirname(client_cert_path)) - - with open(client_cert_path, "w") as f: - f.write(client_cert) - - check_and_fix_urw_only(client_cert_path) + download_client_cert( + self._provider_config, + client_cert_path, + self._session) def run_eip_setup_checks(self, provider_config, diff --git a/src/leap/bitmask/services/eip/eipconfig.py b/src/leap/bitmask/services/eip/eipconfig.py index 1cb7419e..2241290b 100644 --- a/src/leap/bitmask/services/eip/eipconfig.py +++ b/src/leap/bitmask/services/eip/eipconfig.py @@ -26,9 +26,9 @@ import time import ipaddr from leap.bitmask.config.providerconfig import ProviderConfig +from leap.bitmask.services import ServiceConfig from leap.bitmask.services.eip.eipspec import get_schema from leap.common.check import leap_assert, leap_assert_type -from leap.common.config.baseconfig import BaseConfig logger = logging.getLogger(__name__) @@ -144,15 +144,17 @@ class VPNGatewaySelector(object): return -local_offset / 3600 -class EIPConfig(BaseConfig): +class EIPConfig(ServiceConfig): """ Provider configuration abstraction class """ + _service_name = "eip" + OPENVPN_ALLOWED_KEYS = ("auth", "cipher", "tls-cipher") OPENVPN_CIPHERS_REGEX = re.compile("[A-Z0-9\-]+") def __init__(self): - BaseConfig.__init__(self) + ServiceConfig.__init__(self) self._api_version = None def _get_schema(self): diff --git a/src/leap/bitmask/services/mail/smtpbootstrapper.py b/src/leap/bitmask/services/mail/smtpbootstrapper.py index 0e83424c..032d6357 100644 --- a/src/leap/bitmask/services/mail/smtpbootstrapper.py +++ b/src/leap/bitmask/services/mail/smtpbootstrapper.py @@ -14,22 +14,21 @@ # # 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 from PySide import QtCore from leap.bitmask.config.providerconfig import ProviderConfig -from leap.bitmask.crypto.srpauth import SRPAuth -from leap.bitmask.util.request_helpers import get_content +from leap.bitmask.crypto.certs import download_client_cert +from leap.bitmask.services import download_service_config from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper +from leap.common import certs as leap_certs from leap.common.check import leap_assert, leap_assert_type -from leap.common.files import get_mtime +from leap.common.files import check_and_fix_urw_only logger = logging.getLogger(__name__) @@ -61,55 +60,45 @@ class SMTPBootstrapper(AbstractBootstrapper): logger.debug("Downloading SMTP config for %s" % (self._provider_config.get_domain(),)) - 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 - - api_version = self._provider_config.get_api_version() - - # there is some confusion with this uri, - config_uri = "%s/%s/config/smtp-service.json" % ( - self._provider_config.get_api_uri(), 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() - - self._smtp_config.set_api_version(api_version) - - # 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_service_config( + self._provider_config, + self._smtp_config, + self._session, + self._download_if_needed) + + def _download_client_certificates(self, *args): + """ + Downloads the SMTP client certificate for the given provider + + We actually are downloading the certificate for the same uri as + for the EIP config, but we duplicate these bits to allow mail + service to be working in a provider that does not offer EIP. + """ + # TODO factor out with eipboostrapper.download_client_certificates + # TODO this shouldn't be a private method, it's called from + # mainwindow. + leap_assert(self._provider_config, "We need a provider configuration!") + leap_assert(self._smtp_config, "We need an smtp configuration!") + + logger.debug("Downloading SMTP client certificate for %s" % + (self._provider_config.get_domain(),)) + + client_cert_path = self._smtp_config.\ + get_client_cert_path(self._provider_config, + about_to_download=True) + + # For re-download if something is wrong with the cert + self._download_if_needed = self._download_if_needed and \ + not leap_certs.should_redownload(client_cert_path) + + if self._download_if_needed and \ + os.path.isfile(client_cert_path): + check_and_fix_urw_only(client_cert_path) + return + + download_client_cert(self._provider_config, + client_cert_path, + self._session) def run_smtp_setup_checks(self, provider_config, diff --git a/src/leap/bitmask/services/mail/smtpconfig.py b/src/leap/bitmask/services/mail/smtpconfig.py index 20041c30..74c9bc94 100644 --- a/src/leap/bitmask/services/mail/smtpconfig.py +++ b/src/leap/bitmask/services/mail/smtpconfig.py @@ -14,25 +14,28 @@ # # 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 configuration """ import logging +import os +from leap.bitmask.config.providerconfig import ProviderConfig +from leap.bitmask.services import ServiceConfig from leap.bitmask.services.mail.smtpspec import get_schema -from leap.common.config.baseconfig import BaseConfig +from leap.common.check import leap_assert, leap_assert_type logger = logging.getLogger(__name__) -class SMTPConfig(BaseConfig): +class SMTPConfig(ServiceConfig): """ SMTP configuration abstraction class """ + _service_name = "smtp" def __init__(self): - BaseConfig.__init__(self) + ServiceConfig.__init__(self) def _get_schema(self): """ @@ -47,3 +50,28 @@ class SMTPConfig(BaseConfig): def get_locations(self): return self._safe_get_value("locations") + + def get_client_cert_path(self, + providerconfig=None, + about_to_download=False): + """ + Returns the path to the certificate used by smtp + """ + + leap_assert(providerconfig, "We need a provider") + leap_assert_type(providerconfig, ProviderConfig) + + cert_path = os.path.join(self.get_path_prefix(), + "leap", + "providers", + providerconfig.get_domain(), + "keys", + "client", + "smtp.pem") + + if not about_to_download: + leap_assert(os.path.exists(cert_path), + "You need to download the certificate first") + logger.debug("Using SMTP cert %s" % (cert_path,)) + + return cert_path diff --git a/src/leap/bitmask/services/soledad/soledadconfig.py b/src/leap/bitmask/services/soledad/soledadconfig.py index 7ed21f77..d3cc7da4 100644 --- a/src/leap/bitmask/services/soledad/soledadconfig.py +++ b/src/leap/bitmask/services/soledad/soledadconfig.py @@ -14,25 +14,25 @@ # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. - """ Soledad configuration """ import logging +from leap.bitmask.services import ServiceConfig from leap.bitmask.services.soledad.soledadspec import get_schema -from leap.common.config.baseconfig import BaseConfig logger = logging.getLogger(__name__) -class SoledadConfig(BaseConfig): +class SoledadConfig(ServiceConfig): """ Soledad configuration abstraction class """ + _service_name = "soledad" def __init__(self): - BaseConfig.__init__(self) + ServiceConfig.__init__(self) def _get_schema(self): """ |