Move Signaler to its own file.

2 files changed, 387 insertions, 364 deletions

diff --git a/src/leap/bitmask/backend/leapbackend.py b/src/leap/bitmask/backend/leapbackend.py
index b0e9cc01..c82d1d34 100644
--- a/src/leap/bitmask/backend/leapbackend.py
+++ b/src/leap/bitmask/backend/leapbackend.py
@@ -34,6 +34,8 @@ from twisted.python import log
 import zope.interface
 import zope.proxy
 
+from leap.bitmask.backend.leapsignaler import Signaler
+
 from leap.bitmask.config.providerconfig import ProviderConfig
 from leap.bitmask.crypto.srpauth import SRPAuth
 from leap.bitmask.crypto.srpregister import SRPRegister
@@ -64,9 +66,6 @@ from leap.keymanager.errors import KeyAddressMismatch, KeyFingerprintMismatch
 
 from leap.soledad.client import NoStorageSecret, PassphraseTooShort
 
-# Frontend side
-from PySide import QtCore
-
 logger = logging.getLogger(__name__)
 
 
@@ -1154,367 +1153,6 @@ class Authenticate(object):
         self._signaler.signal(signal)
 
 
-class Signaler(QtCore.QObject):
-    """
-    Signaler object, handles converting string commands to Qt signals.
-
-    This is intended for the separation in frontend/backend, this will
-    live in the frontend.
-    """
-
-    ####################
-    # These will only exist in the frontend
-    # Signals for the ProviderBootstrapper
-    prov_name_resolution = QtCore.Signal(object)
-    prov_https_connection = QtCore.Signal(object)
-    prov_download_provider_info = QtCore.Signal(object)
-
-    prov_download_ca_cert = QtCore.Signal(object)
-    prov_check_ca_fingerprint = QtCore.Signal(object)
-    prov_check_api_certificate = QtCore.Signal(object)
-
-    prov_problem_with_provider = QtCore.Signal(object)
-
-    prov_unsupported_client = QtCore.Signal(object)
-    prov_unsupported_api = QtCore.Signal(object)
-
-    prov_get_all_services = QtCore.Signal(object)
-    prov_get_supported_services = QtCore.Signal(object)
-    prov_get_details = QtCore.Signal(object)
-    prov_get_pinned_providers = QtCore.Signal(object)
-
-    prov_cancelled_setup = QtCore.Signal(object)
-
-    # Signals for SRPRegister
-    srp_registration_finished = QtCore.Signal(object)
-    srp_registration_failed = QtCore.Signal(object)
-    srp_registration_taken = QtCore.Signal(object)
-
-    # Signals for EIP bootstrapping
-    eip_config_ready = QtCore.Signal(object)
-    eip_client_certificate_ready = QtCore.Signal(object)
-
-    eip_cancelled_setup = QtCore.Signal(object)
-
-    # Signals for SRPAuth
-    srp_auth_ok = QtCore.Signal(object)
-    srp_auth_error = QtCore.Signal(object)
-    srp_auth_server_error = QtCore.Signal(object)
-    srp_auth_connection_error = QtCore.Signal(object)
-    srp_auth_bad_user_or_password = QtCore.Signal(object)
-    srp_logout_ok = QtCore.Signal(object)
-    srp_logout_error = QtCore.Signal(object)
-    srp_password_change_ok = QtCore.Signal(object)
-    srp_password_change_error = QtCore.Signal(object)
-    srp_password_change_badpw = QtCore.Signal(object)
-    srp_not_logged_in_error = QtCore.Signal(object)
-    srp_status_logged_in = QtCore.Signal(object)
-    srp_status_not_logged_in = QtCore.Signal(object)
-
-    # Signals for EIP
-    eip_connected = QtCore.Signal(object)
-    eip_disconnected = QtCore.Signal(object)
-    eip_connection_died = QtCore.Signal(object)
-    eip_connection_aborted = QtCore.Signal(object)
-    eip_stopped = QtCore.Signal(object)
-
-    eip_dns_ok = QtCore.Signal(object)
-    eip_dns_error = QtCore.Signal(object)
-
-    # EIP problems
-    eip_no_polkit_agent_error = QtCore.Signal(object)
-    eip_no_tun_kext_error = QtCore.Signal(object)
-    eip_no_pkexec_error = QtCore.Signal(object)
-    eip_openvpn_not_found_error = QtCore.Signal(object)
-    eip_openvpn_already_running = QtCore.Signal(object)
-    eip_alien_openvpn_already_running = QtCore.Signal(object)
-    eip_vpn_launcher_exception = QtCore.Signal(object)
-
-    eip_get_gateways_list = QtCore.Signal(object)
-    eip_get_gateways_list_error = QtCore.Signal(object)
-    eip_uninitialized_provider = QtCore.Signal(object)
-    eip_get_initialized_providers = QtCore.Signal(object)
-
-    # signals from parsing openvpn output
-    eip_network_unreachable = QtCore.Signal(object)
-    eip_process_restart_tls = QtCore.Signal(object)
-    eip_process_restart_ping = QtCore.Signal(object)
-
-    # signals from vpnprocess.py
-    eip_state_changed = QtCore.Signal(dict)
-    eip_status_changed = QtCore.Signal(dict)
-    eip_process_finished = QtCore.Signal(int)
-    eip_tear_fw_down = QtCore.Signal(object)
-
-    # signals whether the needed files to start EIP exist or not
-    eip_can_start = QtCore.Signal(object)
-    eip_cannot_start = QtCore.Signal(object)
-
-    # Signals for Soledad
-    soledad_bootstrap_failed = QtCore.Signal(object)
-    soledad_bootstrap_finished = QtCore.Signal(object)
-    soledad_offline_failed = QtCore.Signal(object)
-    soledad_offline_finished = QtCore.Signal(object)
-    soledad_invalid_auth_token = QtCore.Signal(object)
-    soledad_cancelled_bootstrap = QtCore.Signal(object)
-    soledad_password_change_ok = QtCore.Signal(object)
-    soledad_password_change_error = QtCore.Signal(object)
-
-    # Keymanager signals
-    keymanager_export_ok = QtCore.Signal(object)
-    keymanager_export_error = QtCore.Signal(object)
-    keymanager_keys_list = QtCore.Signal(object)
-
-    keymanager_import_ioerror = QtCore.Signal(object)
-    keymanager_import_datamismatch = QtCore.Signal(object)
-    keymanager_import_missingkey = QtCore.Signal(object)
-    keymanager_import_addressmismatch = QtCore.Signal(object)
-    keymanager_import_ok = QtCore.Signal(object)
-
-    keymanager_key_details = QtCore.Signal(object)
-
-    # mail related signals
-    imap_stopped = QtCore.Signal(object)
-
-    # This signal is used to warn the backend user that is doing something
-    # wrong
-    backend_bad_call = QtCore.Signal(object)
-
-    ####################
-    # These will exist both in the backend AND the front end.
-    # The frontend might choose to not "interpret" all the signals
-    # from the backend, but the backend needs to have all the signals
-    # it's going to emit defined here
-    PROV_NAME_RESOLUTION_KEY = "prov_name_resolution"
-    PROV_HTTPS_CONNECTION_KEY = "prov_https_connection"
-    PROV_DOWNLOAD_PROVIDER_INFO_KEY = "prov_download_provider_info"
-    PROV_DOWNLOAD_CA_CERT_KEY = "prov_download_ca_cert"
-    PROV_CHECK_CA_FINGERPRINT_KEY = "prov_check_ca_fingerprint"
-    PROV_CHECK_API_CERTIFICATE_KEY = "prov_check_api_certificate"
-    PROV_PROBLEM_WITH_PROVIDER_KEY = "prov_problem_with_provider"
-    PROV_UNSUPPORTED_CLIENT = "prov_unsupported_client"
-    PROV_UNSUPPORTED_API = "prov_unsupported_api"
-    PROV_CANCELLED_SETUP = "prov_cancelled_setup"
-    PROV_GET_ALL_SERVICES = "prov_get_all_services"
-    PROV_GET_SUPPORTED_SERVICES = "prov_get_supported_services"
-    PROV_GET_DETAILS = "prov_get_details"
-    PROV_GET_PINNED_PROVIDERS = "prov_get_pinned_providers"
-
-    SRP_REGISTRATION_FINISHED = "srp_registration_finished"
-    SRP_REGISTRATION_FAILED = "srp_registration_failed"
-    SRP_REGISTRATION_TAKEN = "srp_registration_taken"
-    SRP_AUTH_OK = "srp_auth_ok"
-    SRP_AUTH_ERROR = "srp_auth_error"
-    SRP_AUTH_SERVER_ERROR = "srp_auth_server_error"
-    SRP_AUTH_CONNECTION_ERROR = "srp_auth_connection_error"
-    SRP_AUTH_BAD_USER_OR_PASSWORD = "srp_auth_bad_user_or_password"
-    SRP_LOGOUT_OK = "srp_logout_ok"
-    SRP_LOGOUT_ERROR = "srp_logout_error"
-    SRP_PASSWORD_CHANGE_OK = "srp_password_change_ok"
-    SRP_PASSWORD_CHANGE_ERROR = "srp_password_change_error"
-    SRP_PASSWORD_CHANGE_BADPW = "srp_password_change_badpw"
-    SRP_NOT_LOGGED_IN_ERROR = "srp_not_logged_in_error"
-    SRP_STATUS_LOGGED_IN = "srp_status_logged_in"
-    SRP_STATUS_NOT_LOGGED_IN = "srp_status_not_logged_in"
-
-    EIP_CONFIG_READY = "eip_config_ready"
-    EIP_CLIENT_CERTIFICATE_READY = "eip_client_certificate_ready"
-    EIP_CANCELLED_SETUP = "eip_cancelled_setup"
-
-    EIP_CONNECTED = "eip_connected"
-    EIP_DISCONNECTED = "eip_disconnected"
-    EIP_CONNECTION_DIED = "eip_connection_died"
-    EIP_CONNECTION_ABORTED = "eip_connection_aborted"
-    EIP_STOPPED = "eip_stopped"
-
-    EIP_NO_POLKIT_AGENT_ERROR = "eip_no_polkit_agent_error"
-    EIP_NO_TUN_KEXT_ERROR = "eip_no_tun_kext_error"
-    EIP_NO_PKEXEC_ERROR = "eip_no_pkexec_error"
-    EIP_OPENVPN_NOT_FOUND_ERROR = "eip_openvpn_not_found_error"
-    EIP_OPENVPN_ALREADY_RUNNING = "eip_openvpn_already_running"
-    EIP_ALIEN_OPENVPN_ALREADY_RUNNING = "eip_alien_openvpn_already_running"
-    EIP_VPN_LAUNCHER_EXCEPTION = "eip_vpn_launcher_exception"
-
-    EIP_GET_GATEWAYS_LIST = "eip_get_gateways_list"
-    EIP_GET_GATEWAYS_LIST_ERROR = "eip_get_gateways_list_error"
-    EIP_UNINITIALIZED_PROVIDER = "eip_uninitialized_provider"
-    EIP_GET_INITIALIZED_PROVIDERS = "eip_get_initialized_providers"
-
-    EIP_NETWORK_UNREACHABLE = "eip_network_unreachable"
-    EIP_PROCESS_RESTART_TLS = "eip_process_restart_tls"
-    EIP_PROCESS_RESTART_PING = "eip_process_restart_ping"
-
-    EIP_STATE_CHANGED = "eip_state_changed"
-    EIP_STATUS_CHANGED = "eip_status_changed"
-    EIP_PROCESS_FINISHED = "eip_process_finished"
-    EIP_TEAR_FW_DOWN = "eip_tear_fw_down"
-
-    EIP_CAN_START = "eip_can_start"
-    EIP_CANNOT_START = "eip_cannot_start"
-
-    EIP_DNS_OK = "eip_dns_ok"
-    EIP_DNS_ERROR = "eip_dns_error"
-
-    SOLEDAD_BOOTSTRAP_FAILED = "soledad_bootstrap_failed"
-    SOLEDAD_BOOTSTRAP_FINISHED = "soledad_bootstrap_finished"
-    SOLEDAD_OFFLINE_FAILED = "soledad_offline_failed"
-    SOLEDAD_OFFLINE_FINISHED = "soledad_offline_finished"
-    SOLEDAD_INVALID_AUTH_TOKEN = "soledad_invalid_auth_token"
-
-    SOLEDAD_PASSWORD_CHANGE_OK = "soledad_password_change_ok"
-    SOLEDAD_PASSWORD_CHANGE_ERROR = "soledad_password_change_error"
-
-    SOLEDAD_CANCELLED_BOOTSTRAP = "soledad_cancelled_bootstrap"
-
-    KEYMANAGER_EXPORT_OK = "keymanager_export_ok"
-    KEYMANAGER_EXPORT_ERROR = "keymanager_export_error"
-    KEYMANAGER_KEYS_LIST = "keymanager_keys_list"
-
-    KEYMANAGER_IMPORT_IOERROR = "keymanager_import_ioerror"
-    KEYMANAGER_IMPORT_DATAMISMATCH = "keymanager_import_datamismatch"
-    KEYMANAGER_IMPORT_MISSINGKEY = "keymanager_import_missingkey"
-    KEYMANAGER_IMPORT_ADDRESSMISMATCH = "keymanager_import_addressmismatch"
-    KEYMANAGER_IMPORT_OK = "keymanager_import_ok"
-    KEYMANAGER_KEY_DETAILS = "keymanager_key_details"
-
-    IMAP_STOPPED = "imap_stopped"
-
-    BACKEND_BAD_CALL = "backend_bad_call"
-
-    def __init__(self):
-        """
-        Constructor for the Signaler
-        """
-        QtCore.QObject.__init__(self)
-        self._signals = {}
-
-        signals = [
-            self.PROV_NAME_RESOLUTION_KEY,
-            self.PROV_HTTPS_CONNECTION_KEY,
-            self.PROV_DOWNLOAD_PROVIDER_INFO_KEY,
-            self.PROV_DOWNLOAD_CA_CERT_KEY,
-            self.PROV_CHECK_CA_FINGERPRINT_KEY,
-            self.PROV_CHECK_API_CERTIFICATE_KEY,
-            self.PROV_PROBLEM_WITH_PROVIDER_KEY,
-            self.PROV_UNSUPPORTED_CLIENT,
-            self.PROV_UNSUPPORTED_API,
-            self.PROV_CANCELLED_SETUP,
-            self.PROV_GET_ALL_SERVICES,
-            self.PROV_GET_SUPPORTED_SERVICES,
-            self.PROV_GET_DETAILS,
-            self.PROV_GET_PINNED_PROVIDERS,
-
-            self.SRP_REGISTRATION_FINISHED,
-            self.SRP_REGISTRATION_FAILED,
-            self.SRP_REGISTRATION_TAKEN,
-
-            self.EIP_CONFIG_READY,
-            self.EIP_CLIENT_CERTIFICATE_READY,
-            self.EIP_CANCELLED_SETUP,
-
-            self.EIP_CONNECTED,
-            self.EIP_DISCONNECTED,
-            self.EIP_CONNECTION_DIED,
-            self.EIP_CONNECTION_ABORTED,
-            self.EIP_STOPPED,
-
-            self.EIP_NO_POLKIT_AGENT_ERROR,
-            self.EIP_NO_TUN_KEXT_ERROR,
-            self.EIP_NO_PKEXEC_ERROR,
-            self.EIP_OPENVPN_NOT_FOUND_ERROR,
-            self.EIP_OPENVPN_ALREADY_RUNNING,
-            self.EIP_ALIEN_OPENVPN_ALREADY_RUNNING,
-            self.EIP_VPN_LAUNCHER_EXCEPTION,
-
-            self.EIP_GET_GATEWAYS_LIST,
-            self.EIP_GET_GATEWAYS_LIST_ERROR,
-            self.EIP_UNINITIALIZED_PROVIDER,
-            self.EIP_GET_INITIALIZED_PROVIDERS,
-
-            self.EIP_NETWORK_UNREACHABLE,
-            self.EIP_PROCESS_RESTART_TLS,
-            self.EIP_PROCESS_RESTART_PING,
-
-            self.EIP_STATE_CHANGED,
-            self.EIP_STATUS_CHANGED,
-            self.EIP_PROCESS_FINISHED,
-
-            self.EIP_CAN_START,
-            self.EIP_CANNOT_START,
-
-            self.EIP_DNS_OK,
-            self.EIP_DNS_ERROR,
-
-            self.SRP_AUTH_OK,
-            self.SRP_AUTH_ERROR,
-            self.SRP_AUTH_SERVER_ERROR,
-            self.SRP_AUTH_CONNECTION_ERROR,
-            self.SRP_AUTH_BAD_USER_OR_PASSWORD,
-            self.SRP_LOGOUT_OK,
-            self.SRP_LOGOUT_ERROR,
-            self.SRP_PASSWORD_CHANGE_OK,
-            self.SRP_PASSWORD_CHANGE_ERROR,
-            self.SRP_PASSWORD_CHANGE_BADPW,
-            self.SRP_NOT_LOGGED_IN_ERROR,
-            self.SRP_STATUS_LOGGED_IN,
-            self.SRP_STATUS_NOT_LOGGED_IN,
-
-            self.SOLEDAD_BOOTSTRAP_FAILED,
-            self.SOLEDAD_BOOTSTRAP_FINISHED,
-            self.SOLEDAD_OFFLINE_FAILED,
-            self.SOLEDAD_OFFLINE_FINISHED,
-            self.SOLEDAD_INVALID_AUTH_TOKEN,
-            self.SOLEDAD_CANCELLED_BOOTSTRAP,
-
-            self.SOLEDAD_PASSWORD_CHANGE_OK,
-            self.SOLEDAD_PASSWORD_CHANGE_ERROR,
-
-            self.KEYMANAGER_EXPORT_OK,
-            self.KEYMANAGER_EXPORT_ERROR,
-            self.KEYMANAGER_KEYS_LIST,
-
-            self.KEYMANAGER_IMPORT_IOERROR,
-            self.KEYMANAGER_IMPORT_DATAMISMATCH,
-            self.KEYMANAGER_IMPORT_MISSINGKEY,
-            self.KEYMANAGER_IMPORT_ADDRESSMISMATCH,
-            self.KEYMANAGER_IMPORT_OK,
-            self.KEYMANAGER_KEY_DETAILS,
-
-            self.IMAP_STOPPED,
-
-            self.BACKEND_BAD_CALL,
-        ]
-
-        for sig in signals:
-            self._signals[sig] = getattr(self, sig)
-
-    def signal(self, key, data=None):
-        """
-        Emits a Qt signal based on the key provided, with the data if provided.
-
-        :param key: string identifying the signal to emit
-        :type key: str
-        :param data: object to send with the data
-        :type data: object
-
-        NOTE: The data object will be a serialized str in the backend,
-        and an unserialized object in the frontend, but for now we
-        just care about objects.
-        """
-        # Right now it emits Qt signals. The backend version of this
-        # will do zmq.send_multipart, and the frontend version will be
-        # similar to this
-
-        # for some reason emitting 'None' gives a segmentation fault.
-        if data is None:
-            data = ''
-
-        try:
-            self._signals[key].emit(data)
-        except KeyError:
-            log.err("Unknown key for signal %s!" % (key,))
-
-
 class Backend(object):
     """
     Backend for everything, the UI should only use this class.
diff --git a/src/leap/bitmask/backend/leapsignaler.py b/src/leap/bitmask/backend/leapsignaler.py
new file mode 100644
index 00000000..da8908fd
--- /dev/null
+++ b/src/leap/bitmask/backend/leapsignaler.py
@@ -0,0 +1,385 @@
+# -*- coding: utf-8 -*-
+# components.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/>.
+"""
+Signaler for Backend/Frontend communication.
+"""
+import logging
+
+from PySide import QtCore
+
+logger = logging.getLogger(__name__)
+
+
+class Signaler(QtCore.QObject):
+    """
+    Signaler object, handles converting string commands to Qt signals.
+
+    This is intended for the separation in frontend/backend, this will
+    live in the frontend.
+    """
+
+    ####################
+    # These will only exist in the frontend
+    # Signals for the ProviderBootstrapper
+    prov_name_resolution = QtCore.Signal(object)
+    prov_https_connection = QtCore.Signal(object)
+    prov_download_provider_info = QtCore.Signal(object)
+
+    prov_download_ca_cert = QtCore.Signal(object)
+    prov_check_ca_fingerprint = QtCore.Signal(object)
+    prov_check_api_certificate = QtCore.Signal(object)
+
+    prov_problem_with_provider = QtCore.Signal(object)
+
+    prov_unsupported_client = QtCore.Signal(object)
+    prov_unsupported_api = QtCore.Signal(object)
+
+    prov_get_all_services = QtCore.Signal(object)
+    prov_get_supported_services = QtCore.Signal(object)
+    prov_get_details = QtCore.Signal(object)
+    prov_get_pinned_providers = QtCore.Signal(object)
+
+    prov_cancelled_setup = QtCore.Signal(object)
+
+    # Signals for SRPRegister
+    srp_registration_finished = QtCore.Signal(object)
+    srp_registration_failed = QtCore.Signal(object)
+    srp_registration_taken = QtCore.Signal(object)
+
+    # Signals for EIP bootstrapping
+    eip_config_ready = QtCore.Signal(object)
+    eip_client_certificate_ready = QtCore.Signal(object)
+
+    eip_cancelled_setup = QtCore.Signal(object)
+
+    # Signals for SRPAuth
+    srp_auth_ok = QtCore.Signal(object)
+    srp_auth_error = QtCore.Signal(object)
+    srp_auth_server_error = QtCore.Signal(object)
+    srp_auth_connection_error = QtCore.Signal(object)
+    srp_auth_bad_user_or_password = QtCore.Signal(object)
+    srp_logout_ok = QtCore.Signal(object)
+    srp_logout_error = QtCore.Signal(object)
+    srp_password_change_ok = QtCore.Signal(object)
+    srp_password_change_error = QtCore.Signal(object)
+    srp_password_change_badpw = QtCore.Signal(object)
+    srp_not_logged_in_error = QtCore.Signal(object)
+    srp_status_logged_in = QtCore.Signal(object)
+    srp_status_not_logged_in = QtCore.Signal(object)
+
+    # Signals for EIP
+    eip_connected = QtCore.Signal(object)
+    eip_disconnected = QtCore.Signal(object)
+    eip_connection_died = QtCore.Signal(object)
+    eip_connection_aborted = QtCore.Signal(object)
+    eip_stopped = QtCore.Signal(object)
+
+    eip_dns_ok = QtCore.Signal(object)
+    eip_dns_error = QtCore.Signal(object)
+
+    # EIP problems
+    eip_no_polkit_agent_error = QtCore.Signal(object)
+    eip_no_tun_kext_error = QtCore.Signal(object)
+    eip_no_pkexec_error = QtCore.Signal(object)
+    eip_openvpn_not_found_error = QtCore.Signal(object)
+    eip_openvpn_already_running = QtCore.Signal(object)
+    eip_alien_openvpn_already_running = QtCore.Signal(object)
+    eip_vpn_launcher_exception = QtCore.Signal(object)
+
+    eip_get_gateways_list = QtCore.Signal(object)
+    eip_get_gateways_list_error = QtCore.Signal(object)
+    eip_uninitialized_provider = QtCore.Signal(object)
+    eip_get_initialized_providers = QtCore.Signal(object)
+
+    # signals from parsing openvpn output
+    eip_network_unreachable = QtCore.Signal(object)
+    eip_process_restart_tls = QtCore.Signal(object)
+    eip_process_restart_ping = QtCore.Signal(object)
+
+    # signals from vpnprocess.py
+    eip_state_changed = QtCore.Signal(dict)
+    eip_status_changed = QtCore.Signal(dict)
+    eip_process_finished = QtCore.Signal(int)
+    eip_tear_fw_down = QtCore.Signal(object)
+
+    # signals whether the needed files to start EIP exist or not
+    eip_can_start = QtCore.Signal(object)
+    eip_cannot_start = QtCore.Signal(object)
+
+    # Signals for Soledad
+    soledad_bootstrap_failed = QtCore.Signal(object)
+    soledad_bootstrap_finished = QtCore.Signal(object)
+    soledad_offline_failed = QtCore.Signal(object)
+    soledad_offline_finished = QtCore.Signal(object)
+    soledad_invalid_auth_token = QtCore.Signal(object)
+    soledad_cancelled_bootstrap = QtCore.Signal(object)
+    soledad_password_change_ok = QtCore.Signal(object)
+    soledad_password_change_error = QtCore.Signal(object)
+
+    # Keymanager signals
+    keymanager_export_ok = QtCore.Signal(object)
+    keymanager_export_error = QtCore.Signal(object)
+    keymanager_keys_list = QtCore.Signal(object)
+
+    keymanager_import_ioerror = QtCore.Signal(object)
+    keymanager_import_datamismatch = QtCore.Signal(object)
+    keymanager_import_missingkey = QtCore.Signal(object)
+    keymanager_import_addressmismatch = QtCore.Signal(object)
+    keymanager_import_ok = QtCore.Signal(object)
+
+    keymanager_key_details = QtCore.Signal(object)
+
+    # mail related signals
+    imap_stopped = QtCore.Signal(object)
+
+    # This signal is used to warn the backend user that is doing something
+    # wrong
+    backend_bad_call = QtCore.Signal(object)
+
+    ####################
+    # These will exist both in the backend AND the front end.
+    # The frontend might choose to not "interpret" all the signals
+    # from the backend, but the backend needs to have all the signals
+    # it's going to emit defined here
+    PROV_NAME_RESOLUTION_KEY = "prov_name_resolution"
+    PROV_HTTPS_CONNECTION_KEY = "prov_https_connection"
+    PROV_DOWNLOAD_PROVIDER_INFO_KEY = "prov_download_provider_info"
+    PROV_DOWNLOAD_CA_CERT_KEY = "prov_download_ca_cert"
+    PROV_CHECK_CA_FINGERPRINT_KEY = "prov_check_ca_fingerprint"
+    PROV_CHECK_API_CERTIFICATE_KEY = "prov_check_api_certificate"
+    PROV_PROBLEM_WITH_PROVIDER_KEY = "prov_problem_with_provider"
+    PROV_UNSUPPORTED_CLIENT = "prov_unsupported_client"
+    PROV_UNSUPPORTED_API = "prov_unsupported_api"
+    PROV_CANCELLED_SETUP = "prov_cancelled_setup"
+    PROV_GET_ALL_SERVICES = "prov_get_all_services"
+    PROV_GET_SUPPORTED_SERVICES = "prov_get_supported_services"
+    PROV_GET_DETAILS = "prov_get_details"
+    PROV_GET_PINNED_PROVIDERS = "prov_get_pinned_providers"
+
+    SRP_REGISTRATION_FINISHED = "srp_registration_finished"
+    SRP_REGISTRATION_FAILED = "srp_registration_failed"
+    SRP_REGISTRATION_TAKEN = "srp_registration_taken"
+    SRP_AUTH_OK = "srp_auth_ok"
+    SRP_AUTH_ERROR = "srp_auth_error"
+    SRP_AUTH_SERVER_ERROR = "srp_auth_server_error"
+    SRP_AUTH_CONNECTION_ERROR = "srp_auth_connection_error"
+    SRP_AUTH_BAD_USER_OR_PASSWORD = "srp_auth_bad_user_or_password"
+    SRP_LOGOUT_OK = "srp_logout_ok"
+    SRP_LOGOUT_ERROR = "srp_logout_error"
+    SRP_PASSWORD_CHANGE_OK = "srp_password_change_ok"
+    SRP_PASSWORD_CHANGE_ERROR = "srp_password_change_error"
+    SRP_PASSWORD_CHANGE_BADPW = "srp_password_change_badpw"
+    SRP_NOT_LOGGED_IN_ERROR = "srp_not_logged_in_error"
+    SRP_STATUS_LOGGED_IN = "srp_status_logged_in"
+    SRP_STATUS_NOT_LOGGED_IN = "srp_status_not_logged_in"
+
+    EIP_CONFIG_READY = "eip_config_ready"
+    EIP_CLIENT_CERTIFICATE_READY = "eip_client_certificate_ready"
+    EIP_CANCELLED_SETUP = "eip_cancelled_setup"
+
+    EIP_CONNECTED = "eip_connected"
+    EIP_DISCONNECTED = "eip_disconnected"
+    EIP_CONNECTION_DIED = "eip_connection_died"
+    EIP_CONNECTION_ABORTED = "eip_connection_aborted"
+    EIP_STOPPED = "eip_stopped"
+
+    EIP_NO_POLKIT_AGENT_ERROR = "eip_no_polkit_agent_error"
+    EIP_NO_TUN_KEXT_ERROR = "eip_no_tun_kext_error"
+    EIP_NO_PKEXEC_ERROR = "eip_no_pkexec_error"
+    EIP_OPENVPN_NOT_FOUND_ERROR = "eip_openvpn_not_found_error"
+    EIP_OPENVPN_ALREADY_RUNNING = "eip_openvpn_already_running"
+    EIP_ALIEN_OPENVPN_ALREADY_RUNNING = "eip_alien_openvpn_already_running"
+    EIP_VPN_LAUNCHER_EXCEPTION = "eip_vpn_launcher_exception"
+
+    EIP_GET_GATEWAYS_LIST = "eip_get_gateways_list"
+    EIP_GET_GATEWAYS_LIST_ERROR = "eip_get_gateways_list_error"
+    EIP_UNINITIALIZED_PROVIDER = "eip_uninitialized_provider"
+    EIP_GET_INITIALIZED_PROVIDERS = "eip_get_initialized_providers"
+
+    EIP_NETWORK_UNREACHABLE = "eip_network_unreachable"
+    EIP_PROCESS_RESTART_TLS = "eip_process_restart_tls"
+    EIP_PROCESS_RESTART_PING = "eip_process_restart_ping"
+
+    EIP_STATE_CHANGED = "eip_state_changed"
+    EIP_STATUS_CHANGED = "eip_status_changed"
+    EIP_PROCESS_FINISHED = "eip_process_finished"
+    EIP_TEAR_FW_DOWN = "eip_tear_fw_down"
+
+    EIP_CAN_START = "eip_can_start"
+    EIP_CANNOT_START = "eip_cannot_start"
+
+    EIP_DNS_OK = "eip_dns_ok"
+    EIP_DNS_ERROR = "eip_dns_error"
+
+    SOLEDAD_BOOTSTRAP_FAILED = "soledad_bootstrap_failed"
+    SOLEDAD_BOOTSTRAP_FINISHED = "soledad_bootstrap_finished"
+    SOLEDAD_OFFLINE_FAILED = "soledad_offline_failed"
+    SOLEDAD_OFFLINE_FINISHED = "soledad_offline_finished"
+    SOLEDAD_INVALID_AUTH_TOKEN = "soledad_invalid_auth_token"
+
+    SOLEDAD_PASSWORD_CHANGE_OK = "soledad_password_change_ok"
+    SOLEDAD_PASSWORD_CHANGE_ERROR = "soledad_password_change_error"
+
+    SOLEDAD_CANCELLED_BOOTSTRAP = "soledad_cancelled_bootstrap"
+
+    KEYMANAGER_EXPORT_OK = "keymanager_export_ok"
+    KEYMANAGER_EXPORT_ERROR = "keymanager_export_error"
+    KEYMANAGER_KEYS_LIST = "keymanager_keys_list"
+
+    KEYMANAGER_IMPORT_IOERROR = "keymanager_import_ioerror"
+    KEYMANAGER_IMPORT_DATAMISMATCH = "keymanager_import_datamismatch"
+    KEYMANAGER_IMPORT_MISSINGKEY = "keymanager_import_missingkey"
+    KEYMANAGER_IMPORT_ADDRESSMISMATCH = "keymanager_import_addressmismatch"
+    KEYMANAGER_IMPORT_OK = "keymanager_import_ok"
+    KEYMANAGER_KEY_DETAILS = "keymanager_key_details"
+
+    IMAP_STOPPED = "imap_stopped"
+
+    BACKEND_BAD_CALL = "backend_bad_call"
+
+    def __init__(self):
+        """
+        Constructor for the Signaler
+        """
+        QtCore.QObject.__init__(self)
+        self._signals = {}
+
+        signals = [
+            self.PROV_NAME_RESOLUTION_KEY,
+            self.PROV_HTTPS_CONNECTION_KEY,
+            self.PROV_DOWNLOAD_PROVIDER_INFO_KEY,
+            self.PROV_DOWNLOAD_CA_CERT_KEY,
+            self.PROV_CHECK_CA_FINGERPRINT_KEY,
+            self.PROV_CHECK_API_CERTIFICATE_KEY,
+            self.PROV_PROBLEM_WITH_PROVIDER_KEY,
+            self.PROV_UNSUPPORTED_CLIENT,
+            self.PROV_UNSUPPORTED_API,
+            self.PROV_CANCELLED_SETUP,
+            self.PROV_GET_ALL_SERVICES,
+            self.PROV_GET_SUPPORTED_SERVICES,
+            self.PROV_GET_DETAILS,
+            self.PROV_GET_PINNED_PROVIDERS,
+
+            self.SRP_REGISTRATION_FINISHED,
+            self.SRP_REGISTRATION_FAILED,
+            self.SRP_REGISTRATION_TAKEN,
+
+            self.EIP_CONFIG_READY,
+            self.EIP_CLIENT_CERTIFICATE_READY,
+            self.EIP_CANCELLED_SETUP,
+
+            self.EIP_CONNECTED,
+            self.EIP_DISCONNECTED,
+            self.EIP_CONNECTION_DIED,
+            self.EIP_CONNECTION_ABORTED,
+            self.EIP_STOPPED,
+
+            self.EIP_NO_POLKIT_AGENT_ERROR,
+            self.EIP_NO_TUN_KEXT_ERROR,
+            self.EIP_NO_PKEXEC_ERROR,
+            self.EIP_OPENVPN_NOT_FOUND_ERROR,
+            self.EIP_OPENVPN_ALREADY_RUNNING,
+            self.EIP_ALIEN_OPENVPN_ALREADY_RUNNING,
+            self.EIP_VPN_LAUNCHER_EXCEPTION,
+
+            self.EIP_GET_GATEWAYS_LIST,
+            self.EIP_GET_GATEWAYS_LIST_ERROR,
+            self.EIP_UNINITIALIZED_PROVIDER,
+            self.EIP_GET_INITIALIZED_PROVIDERS,
+
+            self.EIP_NETWORK_UNREACHABLE,
+            self.EIP_PROCESS_RESTART_TLS,
+            self.EIP_PROCESS_RESTART_PING,
+
+            self.EIP_STATE_CHANGED,
+            self.EIP_STATUS_CHANGED,
+            self.EIP_PROCESS_FINISHED,
+
+            self.EIP_CAN_START,
+            self.EIP_CANNOT_START,
+
+            self.EIP_DNS_OK,
+            self.EIP_DNS_ERROR,
+
+            self.SRP_AUTH_OK,
+            self.SRP_AUTH_ERROR,
+            self.SRP_AUTH_SERVER_ERROR,
+            self.SRP_AUTH_CONNECTION_ERROR,
+            self.SRP_AUTH_BAD_USER_OR_PASSWORD,
+            self.SRP_LOGOUT_OK,
+            self.SRP_LOGOUT_ERROR,
+            self.SRP_PASSWORD_CHANGE_OK,
+            self.SRP_PASSWORD_CHANGE_ERROR,
+            self.SRP_PASSWORD_CHANGE_BADPW,
+            self.SRP_NOT_LOGGED_IN_ERROR,
+            self.SRP_STATUS_LOGGED_IN,
+            self.SRP_STATUS_NOT_LOGGED_IN,
+
+            self.SOLEDAD_BOOTSTRAP_FAILED,
+            self.SOLEDAD_BOOTSTRAP_FINISHED,
+            self.SOLEDAD_OFFLINE_FAILED,
+            self.SOLEDAD_OFFLINE_FINISHED,
+            self.SOLEDAD_INVALID_AUTH_TOKEN,
+            self.SOLEDAD_CANCELLED_BOOTSTRAP,
+
+            self.SOLEDAD_PASSWORD_CHANGE_OK,
+            self.SOLEDAD_PASSWORD_CHANGE_ERROR,
+
+            self.KEYMANAGER_EXPORT_OK,
+            self.KEYMANAGER_EXPORT_ERROR,
+            self.KEYMANAGER_KEYS_LIST,
+
+            self.KEYMANAGER_IMPORT_IOERROR,
+            self.KEYMANAGER_IMPORT_DATAMISMATCH,
+            self.KEYMANAGER_IMPORT_MISSINGKEY,
+            self.KEYMANAGER_IMPORT_ADDRESSMISMATCH,
+            self.KEYMANAGER_IMPORT_OK,
+            self.KEYMANAGER_KEY_DETAILS,
+
+            self.IMAP_STOPPED,
+
+            self.BACKEND_BAD_CALL,
+        ]
+
+        for sig in signals:
+            self._signals[sig] = getattr(self, sig)
+
+    def signal(self, key, data=None):
+        """
+        Emits a Qt signal based on the key provided, with the data if provided.
+
+        :param key: string identifying the signal to emit
+        :type key: str
+        :param data: object to send with the data
+        :type data: object
+
+        NOTE: The data object will be a serialized str in the backend,
+        and an unserialized object in the frontend, but for now we
+        just care about objects.
+        """
+        # Right now it emits Qt signals. The backend version of this
+        # will do zmq.send_multipart, and the frontend version will be
+        # similar to this
+
+        # for some reason emitting 'None' gives a segmentation fault.
+        if data is None:
+            data = ''
+
+        try:
+            self._signals[key].emit(data)
+        except KeyError:
+            logger.error("Unknown key for signal %s!" % (key,))