Merge remote-tracking branch 'kali/feature/create_bitmask_namespace' into develop

1 files changed, 265 insertions, 0 deletions

diff --git a/src/leap/bitmask/services/soledad/soledadbootstrapper.py b/src/leap/bitmask/services/soledad/soledadbootstrapper.py
new file mode 100644
index 00000000..fba74d60
--- /dev/null
+++ b/src/leap/bitmask/services/soledad/soledadbootstrapper.py
@@ -0,0 +1,265 @@
+# -*- coding: utf-8 -*-
+# soledadbootstrapper.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/>.
+
+"""
+Soledad bootstrapping
+"""
+
+import logging
+import os
+
+from PySide import QtCore
+from u1db import errors as u1db_errors
+
+from leap.bitmask.config.providerconfig import ProviderConfig
+from leap.bitmask.crypto.srpauth import SRPAuth
+from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper
+from leap.bitmask.services.soledad.soledadconfig import SoledadConfig
+from leap.bitmask.util.request_helpers import get_content
+from leap.common.check import leap_assert, leap_assert_type
+from leap.common.files import get_mtime
+from leap.keymanager import KeyManager, openpgp
+from leap.keymanager.errors import KeyNotFound
+from leap.soledad import Soledad
+
+logger = logging.getLogger(__name__)
+
+
+class SoledadBootstrapper(AbstractBootstrapper):
+    """
+    Soledad init procedure
+    """
+
+    SOLEDAD_KEY = "soledad"
+    KEYMANAGER_KEY = "keymanager"
+
+    PUBKEY_KEY = "user[public_key]"
+
+    # All dicts returned are of the form
+    # {"passed": bool, "error": str}
+    download_config = QtCore.Signal(dict)
+    gen_key = QtCore.Signal(dict)
+
+    def __init__(self):
+        AbstractBootstrapper.__init__(self)
+
+        self._provider_config = None
+        self._soledad_config = None
+        self._keymanager = None
+        self._download_if_needed = False
+        self._user = ""
+        self._password = ""
+        self._soledad = None
+
+    @property
+    def keymanager(self):
+        return self._keymanager
+
+    @property
+    def soledad(self):
+        return self._soledad
+
+    def _load_and_sync_soledad(self, srp_auth):
+        """
+        Once everthing is in the right place, we instantiate and sync
+        Soledad
+
+        :param srp_auth: SRPAuth object used
+        :type srp_auth: SRPAuth
+        """
+        uuid = srp_auth.get_uid()
+
+        prefix = os.path.join(self._soledad_config.get_path_prefix(),
+                              "leap", "soledad")
+        secrets_path = "%s/%s.secret" % (prefix, uuid)
+        local_db_path = "%s/%s.db" % (prefix, uuid)
+
+        # TODO: Select server based on timezone (issue #3308)
+        server_dict = self._soledad_config.get_hosts()
+
+        if server_dict.keys():
+            selected_server = server_dict[server_dict.keys()[0]]
+            server_url = "https://%s:%s/user-%s" % (
+                selected_server["hostname"],
+                selected_server["port"],
+                uuid)
+
+            logger.debug("Using soledad server url: %s" % (server_url,))
+
+            cert_file = self._provider_config.get_ca_cert_path()
+
+            # TODO: If selected server fails, retry with another host
+            # (issue #3309)
+            try:
+                self._soledad = Soledad(
+                    uuid,
+                    self._password.encode("utf-8"),
+                    secrets_path=secrets_path,
+                    local_db_path=local_db_path,
+                    server_url=server_url,
+                    cert_file=cert_file,
+                    auth_token=srp_auth.get_token())
+                self._soledad.sync()
+            except u1db_errors.Unauthorized:
+                logger.error("Error while initializing soledad.")
+        else:
+            raise Exception("No soledad server found")
+
+    def _download_config(self):
+        """
+        Downloads the Soledad config for the given provider
+        """
+
+        leap_assert(self._provider_config,
+                    "We need a provider configuration!")
+
+        logger.debug("Downloading Soledad config for %s" %
+                     (self._provider_config.get_domain(),))
+
+        self._soledad_config = SoledadConfig()
+
+        headers = {}
+        mtime = get_mtime(
+            os.path.join(
+                self._soledad_config.get_path_prefix(),
+                "leap", "providers",
+                self._provider_config.get_domain(),
+                "soledad-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/soledad-service.json" % (
+            self._provider_config.get_api_uri(),
+            api_version)
+        logger.debug('Downloading soledad 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._soledad_config.set_api_version(api_version)
+
+        # Not modified
+        if res.status_code == 304:
+            logger.debug("Soledad definition has not been modified")
+            self._soledad_config.load(
+                os.path.join(
+                    "leap", "providers",
+                    self._provider_config.get_domain(),
+                    "soledad-service.json"))
+        else:
+            soledad_definition, mtime = get_content(res)
+
+            self._soledad_config.load(data=soledad_definition, mtime=mtime)
+            self._soledad_config.save(["leap",
+                                       "providers",
+                                       self._provider_config.get_domain(),
+                                       "soledad-service.json"])
+
+        self._load_and_sync_soledad(srp_auth)
+
+    def _gen_key(self, _):
+        """
+        Generates the key pair if needed, uploads it to the webapp and
+        nickserver
+        """
+        leap_assert(self._provider_config,
+                    "We need a provider configuration!")
+
+        address = "%s@%s" % (self._user, self._provider_config.get_domain())
+
+        logger.debug("Retrieving key for %s" % (address,))
+
+        srp_auth = SRPAuth(self._provider_config)
+
+        # TODO: Fix for Windows
+        gpgbin = "/usr/bin/gpg"
+
+        if self._standalone:
+            gpgbin = os.path.join(self._provider_config.get_path_prefix(),
+                                  "..", "apps", "mail", "gpg")
+
+        self._keymanager = KeyManager(
+            address,
+            "https://nicknym.%s:6425" % (self._provider_config.get_domain(),),
+            self._soledad,
+            #token=srp_auth.get_token(),  # TODO: enable token usage
+            session_id=srp_auth.get_session_id(),
+            ca_cert_path=self._provider_config.get_ca_cert_path(),
+            api_uri=self._provider_config.get_api_uri(),
+            api_version=self._provider_config.get_api_version(),
+            uid=srp_auth.get_uid(),
+            gpgbinary=gpgbin)
+        try:
+            self._keymanager.get_key(address, openpgp.OpenPGPKey,
+                                     private=True, fetch_remote=False)
+        except KeyNotFound:
+            logger.debug("Key not found. Generating key for %s" % (address,))
+            self._keymanager.gen_key(openpgp.OpenPGPKey)
+            self._keymanager.send_key(openpgp.OpenPGPKey)
+            logger.debug("Key generated successfully.")
+
+    def run_soledad_setup_checks(self,
+                                 provider_config,
+                                 user,
+                                 password,
+                                 download_if_needed=False,
+                                 standalone=False):
+        """
+        Starts the checks needed for a new soledad setup
+
+        :param provider_config: Provider configuration
+        :type provider_config: ProviderConfig
+        :param user: User's login
+        :type user: str
+        :param password: User's password
+        :type password: str
+        :param download_if_needed: If True, it will only download
+                                   files if the have changed since the
+                                   time it was previously downloaded.
+        :type download_if_needed: bool
+        :param standalone: If True, it'll look for paths inside the
+                           bundle (like for gpg)
+        :type standalone: bool
+        """
+        leap_assert_type(provider_config, ProviderConfig)
+
+        self._provider_config = provider_config
+        self._download_if_needed = download_if_needed
+        self._user = user
+        self._password = password
+        self._standalone = standalone
+
+        cb_chain = [
+            (self._download_config, self.download_config),
+            (self._gen_key, self.gen_key)
+        ]
+
+        self.addCallbackChain(cb_chain)