Ejemplo n.º 1
0
class Server():
    def __init__(self,
                 configfile=None,
                 basedir=None,
                 host="0.0.0.0",
                 port=5000,
                 debug=False,
                 allowRoot=False,
                 logConf=None):
        self._configfile = configfile
        self._basedir = basedir
        self._host = host
        self._port = port
        self._debug = debug
        self._allowRoot = allowRoot
        self._logConf = logConf
        self._ioLoop = None

    def stop(self):
        if self._ioLoop:
            self._ioLoop.stop()
            self._ioLoop = None

    def run(self):
        if not self._allowRoot:
            self._checkForRoot()

        global userManager
        global eventManager
        global loginManager
        global debug
        global softwareManager
        global discoveryManager
        global VERSION
        global UI_API_KEY

        from tornado.wsgi import WSGIContainer
        from tornado.httpserver import HTTPServer
        from tornado.ioloop import IOLoop
        from tornado.web import Application, FallbackHandler

        from astroprint.printfiles.watchdogs import UploadCleanupWatchdogHandler

        debug = self._debug

        # first initialize the settings singleton and make sure it uses given configfile and basedir if available
        self._initSettings(self._configfile, self._basedir)
        s = settings()

        if not s.getBoolean(['api', 'regenerate']) and s.getString(
            ['api', 'key']):
            UI_API_KEY = s.getString(['api', 'key'])
        else:
            UI_API_KEY = ''.join('%02X' % ord(z) for z in uuid.uuid4().bytes)

        # then initialize logging
        self._initLogging(self._debug, self._logConf)
        logger = logging.getLogger(__name__)

        if s.getBoolean(["accessControl", "enabled"]):
            userManagerName = s.get(["accessControl", "userManager"])
            try:
                clazz = util.getClass(userManagerName)
                userManager = clazz()
            except AttributeError, e:
                logger.exception(
                    "Could not instantiate user manager %s, will run with accessControl disabled!"
                    % userManagerName)

        softwareManager = swManager()
        VERSION = softwareManager.versionString

        logger.info("Starting AstroBox (%s) - Commit (%s)" %
                    (VERSION, softwareManager.commit))

        from astroprint.migration import migrateSettings
        migrateSettings()

        pluginManager().loadPlugins()

        eventManager = events.eventManager()
        printer = printerManager(printerProfileManager().data['driver'])

        #Start some of the managers here to make sure there are no thread collisions
        from astroprint.network.manager import networkManager
        from astroprint.boxrouter import boxrouterManager

        networkManager()
        boxrouterManager()

        # configure timelapse
        #octoprint.timelapse.configureTimelapse()

        app.wsgi_app = ReverseProxied(app.wsgi_app)

        app.secret_key = boxrouterManager().boxId
        loginManager = LoginManager()
        loginManager.session_protection = "strong"
        loginManager.user_callback = load_user
        if userManager is None:
            loginManager.anonymous_user = users.DummyUser
            principals.identity_loaders.appendleft(users.dummy_identity_loader)
        loginManager.init_app(app)

        # setup command triggers
        events.CommandTrigger(printer)
        if self._debug:
            events.DebugEventListener()

        if networkManager().isOnline():
            softwareManager.checkForcedUpdate()

        if self._host is None:
            self._host = s.get(["server", "host"])
        if self._port is None:
            self._port = s.getInt(["server", "port"])

        app.debug = self._debug

        from octoprint.server.api import api

        app.register_blueprint(api, url_prefix="/api")

        boxrouterManager(
        )  # Makes sure the singleton is created here. It doesn't need to be stored
        self._router = SockJSRouter(self._createSocketConnection, "/sockjs")

        discoveryManager = DiscoveryManager()

        externalDriveManager()

        def access_validation_factory(validator):
            """
			Creates an access validation wrapper using the supplied validator.

			:param validator: the access validator to use inside the validation wrapper
			:return: an access validation wrapper taking a request as parameter and performing the request validation
			"""
            def f(request):
                """
				Creates a custom wsgi and Flask request context in order to be able to process user information
				stored in the current session.

				:param request: The Tornado request for which to create the environment and context
				"""
                wsgi_environ = tornado.wsgi.WSGIContainer.environ(request)
                with app.request_context(wsgi_environ):
                    app.session_interface.open_session(app, request)
                    loginManager.reload_user()
                    validator(request)

            return f

        self._tornado_app = Application(self._router.urls + [
            #(r"/downloads/timelapse/([^/]*\.mpg)", LargeResponseHandler, {"path": s.getBaseFolder("timelapse"), "as_attachment": True}),
            (r"/downloads/files/local/([^/]*\.(gco|gcode))",
             LargeResponseHandler, {
                 "path": s.getBaseFolder("uploads"),
                 "as_attachment": True
             }),
            (r"/downloads/logs/([^/]*)", LargeResponseHandler, {
                "path": s.getBaseFolder("logs"),
                "as_attachment": True,
                "access_validation": access_validation_factory(admin_validator)
            }),
            #(r"/downloads/camera/current", UrlForwardHandler, {"url": s.get(["webcam", "snapshot"]), "as_attachment": True, "access_validation": access_validation_factory(user_validator)}),
            (r".*", FallbackHandler, {
                "fallback": WSGIContainer(app.wsgi_app)
            })
        ])
        self._server = HTTPServer(self._tornado_app,
                                  max_buffer_size=1048576 *
                                  s.getInt(['server', 'maxUploadSize']))
        self._server.listen(self._port, address=self._host)

        logger.info("Listening on http://%s:%d" % (self._host, self._port))

        eventManager.fire(events.Events.STARTUP)
        if s.getBoolean(["serial", "autoconnect"]):
            (port, baudrate) = s.get(["serial", "port"
                                      ]), s.getInt(["serial", "baudrate"])
            connectionOptions = printer.getConnectionOptions()
            if port in connectionOptions["ports"]:
                t = threading.Thread(target=printer.connect,
                                     args=(port, baudrate))
                t.daemon = True
                t.start()

        # start up watchdogs
        observer = Observer()
        observer.daemon = True
        observer.schedule(UploadCleanupWatchdogHandler(),
                          s.getBaseFolder("uploads"))
        observer.start()

        try:
            self._ioLoop = IOLoop.instance()
            self._ioLoop.start()

        except SystemExit:
            pass

        except:
            logger.fatal(
                "Please report this including the stacktrace below in AstroPrint's bugtracker. Thanks!"
            )
            logger.exception("Stacktrace follows:")

        finally:
            observer.stop()
            self.cleanup()
            logger.info('Cleanup complete')

        observer.join(1.0)
        logger.info('Good Bye!')