Implementing new IPC mechanics

actor/src/udsactor/http/handler.py

@@ -1,3 +1,33 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2019 Virtual Cable S.L.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright notice,
+#      this list of conditions and the following disclaimer in the documentation
+#      and/or other materials provided with the distribution.
+#    * Neither the name of Virtual Cable S.L. nor the names of its contributors
+#      may be used to endorse or promote products derived from this software
+#      without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'''
+@author: Adolfo Gómez, dkmaster at dkmon dot com
+'''
 import typing
 
 if typing.TYPE_CHECKING:
@@ -12,5 +42,3 @@ class Handler:
         self._service = service
         self._method = method
         self._params = params
-
-    

actor/src/udsactor/http/local.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2014-2019 Virtual Cable S.L.
+# Copyright (c) 2019 Virtual Cable S.L.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
@@ -36,11 +36,18 @@ if typing.TYPE_CHECKING:
     from ..service import CommonService
 
 class LocalProvider(handler.Handler):
+
     def post_login(self) -> typing.Any:
-        return 'ok'
+        result = self._service.login(self._params['username'])
+        return result._asdict()
 
     def post_logout(self) -> typing.Any:
+        self._service.logout(self._params['username'])
         return 'ok'
 
     def post_ping(self) -> typing.Any:
+        return 'pong'
+
+    def post_register(self) -> typing.Any:
+        self._service._registry.register(self._params['url'])  # pylint: disable=protected-access
         return 'ok'

actor/src/udsactor/http/public.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2014-2019 Virtual Cable S.L.
+# Copyright (c) 2019 Virtual Cable S.L.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,

actor/src/udsactor/http/registry.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2019 Virtual Cable S.L.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright notice,
+#      this list of conditions and the following disclaimer in the documentation
+#      and/or other materials provided with the distribution.
+#    * Neither the name of Virtual Cable S.L. nor the names of its contributors
+#      may be used to endorse or promote products derived from this software
+#      without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'''
+@author: Adolfo Gómez, dkmaster at dkmon dot com
+'''
+import json
+import typing
+
+import requests
+
+from ..log import logger
+
+class UDSActorClientRegistry:
+    _clientUrl: typing.List[str]
+
+    def __init__(self) -> None:
+        self._clientUrl = []
+
+    def _post(self, method: str, data: typing.Any = None) -> None:
+        removables: typing.List[str] = []
+        for clientUrl in self._clientUrl:
+            try:
+                requests.post(clientUrl + '/' + method, data=json.dumps(data), verify=False)
+            except Exception as e:
+                # If cannot request to a clientUrl, remove it from list
+                logger.info('Could not coneect with client %s: %s. Removed from registry.', e, clientUrl)
+                removables.append(clientUrl)
+
+        # Remove failed connections
+        for clientUrl in removables:
+            self.unregister(clientUrl)
+
+    def register(self, clientUrl: str) -> None:
+        # Remove first if exists, to avoid duplicates
+        self.unregister(clientUrl)
+        # And add it again
+        self._clientUrl.append(clientUrl)
+
+    def unregister(self, clientUrl: str) -> None:
+        self._clientUrl = list((i for i in self._clientUrl if i != clientUrl))
+
+    def executeScript(self, script: str) -> None:
+        self._post('script', script)
+
+    def logout(self) -> None:
+        self._post('logout', None)
+
+    def ping(self) -> bool:
+        self._post('ping', None)
+        return bool(self._clientUrl)  # if no clients available

actor/src/udsactor/http/server.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2014-2019 Virtual Cable S.L.
+# Copyright (c) 2019 Virtual Cable S.L.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
@@ -81,6 +81,7 @@ class HTTPServerHandler(http.server.BaseHTTPRequestHandler):
             handlerType = PublicProvider
         elif len(path) == 2 and path[0] == 'ui':
             # private method, only from localhost
+            if self.client_address[0][:3] == '127':
                 handlerType = LocalProvider
 
         if not handlerType:
@@ -88,7 +89,7 @@ class HTTPServerHandler(http.server.BaseHTTPRequestHandler):
             return
 
         try:
-            result = getattr(handlerType(self._service, method, params), method + '_' + path[-1])()
+            result = getattr(handlerType(self._service, method, params), method + '_' + path[-1])()  # last part of path is method
         except AttributeError:
             self.sendJsonResponse(error='Method not found', code=404)
             return

actor/src/udsactor/log.py

@@ -69,7 +69,7 @@ class Logger:
         self.remoteLogger = remoteLogger
         self.own_token = own_token
 
-    def log(self, level: typing.Union[str, int], message: str) -> None:
+    def log(self, level: typing.Union[str, int], message: str, *args) -> None:
         level = int(level)
         if level < self.logLevel:  # Skip not wanted messages
             return
@@ -77,26 +77,26 @@ class Logger:
         # If remote logger is available, notify message to it
         try:
             if self.remoteLogger:
-                self.remoteLogger.log(self.own_token, level, message)
+                self.remoteLogger.log(self.own_token, level, message % args)
         except Exception as e:
             self.localLogger.log(FATAL, 'Error notifying log to broker: {}'.format(e))
 
         self.localLogger.log(level, message)
 
-    def debug(self, message: str) -> None:
-        self.log(DEBUG, message)
+    def debug(self, message: str, *args) -> None:
+        self.log(DEBUG, message, *args)
 
-    def warn(self, message: str) -> None:
-        self.log(WARN, message)
+    def warn(self, message: str, *args) -> None:
+        self.log(WARN, message, *args)
 
-    def info(self, message: str) -> None:
-        self.log(INFO, message)
+    def info(self, message: str, *args) -> None:
+        self.log(INFO, message, *args)
 
-    def error(self, message: str) -> None:
-        self.log(ERROR, message)
+    def error(self, message: str, *args) -> None:
+        self.log(ERROR, message, *args)
 
-    def fatal(self, message: str) -> None:
-        self.log(FATAL, message)
+    def fatal(self, message: str, *args) -> None:
+        self.log(FATAL, message, *args)
 
     def exception(self) -> None:
         try:

actor/src/udsactor/rest.py

@@ -93,23 +93,6 @@ class REST:
 
         raise RESTError(result.content)
 
-    def _login(self, auth: str, username: str, password: str) -> typing.MutableMapping[str, str]:
-        try:
-            # First, try to login
-            authInfo = {'auth': auth, 'username': username, 'password': password}
-            headers = self._headers
-            result = requests.post(self.url + 'auth/login', data=json.dumps(authInfo), headers=headers, verify=self.validateCert)
-            if not result.ok or result.json()['result'] == 'error':
-                raise Exception()  # Invalid credentials
-        except requests.ConnectionError as e:
-            raise RESTConnectionError(str(e))
-        except Exception as e:
-            raise RESTError('Invalid credentials')
-
-        headers['X-Auth-Token'] = result.json()['token']
-
-        return headers
-
     def enumerateAuthenticators(self) -> typing.Iterable[types.AuthenticatorType]:
         try:
             result = requests.get(self.url + 'auth/auths', headers=self._headers, verify=self.validateCert, timeout=4)
@@ -153,8 +136,17 @@ class REST:
             'log_level': logLevel
         }
 
+        # First, try to login to REST api
         try:
-            headers = self._login(auth, username, password)
+            # First, try to login
+            authInfo = {'auth': auth, 'username': username, 'password': password}
+            headers = self._headers
+            result = requests.post(self.url + 'auth/login', data=json.dumps(authInfo), headers=headers, verify=self.validateCert)
+            if not result.ok or result.json()['result'] == 'error':
+                raise Exception()  # Invalid credentials
+
+            headers['X-Auth-Token'] = result.json()['token']
+
             result = requests.post(self.url + 'actor/v2/register', data=json.dumps(data), headers=headers, verify=self.validateCert)
             if result.ok:
                 return result.json()['result']
@@ -162,8 +154,8 @@ class REST:
             raise RESTConnectionError(str(e))
         except RESTError:
             raise
-        except Exception:
-            pass
+        except Exception as e:
+            raise RESTError('Invalid credentials')
 
         raise RESTError(result.content)
 
@@ -207,6 +199,23 @@ class REST:
         }
         self._actorPost('ipchange', payload)  # Ignores result...
 
+    def login(self, own_token: str, username: str) -> types.LoginResultInfoType:
+        payload = {
+            'token': own_token,
+            'username': username
+        }
+        result = self._actorPost('login', payload)
+        return types.LoginResultInfoType(ip=result['ip'], hostname=result['hostname'], dead_line=result['dead_line'])
+
+
+    def logout(self, own_token: str, username: str) -> None:
+        payload = {
+            'token': own_token,
+            'username': username
+        }
+        self._actorPost('logout', payload)
+
+
     def log(self, own_token: str, level: int, message: str) -> None:
         payLoad = {
             'token': own_token,

actor/src/udsactor/service.py

@@ -41,7 +41,7 @@ from . import rest
 from . import types
 # from .script_thread import ScriptExecutorThread
 from .log import logger
-
+from .http import registry
 
 # def setup() -> None:
 #     cfg = platform.store.readConfig()
@@ -55,7 +55,6 @@ from .log import logger
 #     else:
 #         logger.setLevel(20000)
 
-
 class CommonService:
     _isAlive: bool = True
     _rebootRequested: bool = False
@@ -65,6 +64,7 @@ class CommonService:
     _api: rest.REST
     _interfaces: typing.List[types.InterfaceInfoType]
     _secret: str
+    _registry: registry.UDSActorClientRegistry
 
     @staticmethod
     def execute(cmdLine: str, section: str) -> bool:
@@ -81,6 +81,7 @@ class CommonService:
         self._interfaces = []
         self._api = rest.REST(self._cfg.host, self._cfg.validateCertificate)
         self._secret = secrets.token_urlsafe(33)
+        self._registry = registry.UDSActorClientRegistry()
 
         # Initialzies loglevel
         logger.setLevel(self._cfg.log_level * 10000)
@@ -179,7 +180,7 @@ class CommonService:
         while self._isAlive:
             if not self._interfaces:
                 self._interfaces = list(platform.operations.getNetworkInfo())
-                if not self._interfaces:  # Wait a bit for interfaces to get initialized...
+                if not self._interfaces:  # Wait a bit for interfaces to get initialized... (has valid IPs)
                     self.doWait(5000)
                     continue
 
@@ -281,6 +282,16 @@ class CommonService:
         '''
         logger.info('Base join invoked: {} on {}, {}'.format(name, domain, ou))
 
+    # Client notifications
+    def login(self, username: str) -> types.LoginResultInfoType:
+        if self._cfg.own_token:
+            return self._api.login(self._cfg.own_token, username)
+        return types.LoginResultInfoType(ip='', hostname='', dead_line=None)
+
+    def logout(self, username: str) -> None:
+        if self._cfg.own_token:
+            self._api.logout(self._cfg.own_token, username)
+
     # ****************************************
     # Methods that CAN BE overriden by actors
     # ****************************************

actor/src/udsactor/types.py

@@ -48,3 +48,8 @@ class InitializationResultType(typing.NamedTuple):
     unique_id: typing.Optional[str] = None
     max_idle: typing.Optional[int] = None
     os: typing.Optional[ActorOsConfigurationType] = None
+
+class LoginResultInfoType(typing.NamedTuple):
+    ip: str
+    hostname: str
+    dead_line: typing.Optional[int]

actor/src/udsactor/windows/service.py

@@ -192,7 +192,7 @@ class UDSActorSvc(win32serviceutil.ServiceFramework, CommonService):
         return 'done'
 
     def onLogout(self, userName) -> None:
-        logger.debug('Windows onLogout invoked: {}, {}'.format(user, self._user))
+        logger.debug('Windows onLogout invoked: {}, {}'.format(userName, self._user))
         try:
             p = win32security.GetBinarySid(REMOTE_USERS_SID)
             groupName = win32security.LookupAccountSid(None, p)[0]