def test_proxy_loadProxiesFromFile_2_files_and_proxyset(self): """Test loading proxies from two files.""" proxyList = proxy.ProxySet(['1.1.1.1']) proxy.loadProxiesFromFile(self.fn0, proxySet=proxyList) proxies = proxy.loadProxiesFromFile(self.fn1, proxySet=proxyList) self.assertEqual(len(proxies), 5) self.assertEqual(len(proxyList), 9)
def test_proxy_loadProxiesFromFile_bad_file(self): """Loading proxies from a file with invalid IPs in it should do nothing. """ proxyList = proxy.ProxySet() proxy.loadProxiesFromFile(self.badfile, proxySet=proxyList) self.assertEqual(len(proxyList), 0)
def test_proxy_loadProxiesFromFile_duplicates(self): """Loading proxies from the same file twice shouldn't store duplicates. """ proxyList = proxy.ProxySet(['1.1.1.1']) proxy.loadProxiesFromFile(self.fn1, proxySet=proxyList) self.assertEqual(len(proxyList), 6) proxy.loadProxiesFromFile(self.fn1, proxySet=proxyList) self.assertEqual(len(proxyList), 6)
def test_proxy_loadProxiesFromFile_removeStale(self): """Test loading proxies from two files and removing the stale ones.""" proxyList = proxy.ProxySet(['1.1.1.1']) self.assertEqual(len(proxyList), 1) proxies = proxy.loadProxiesFromFile(self.fn0, proxySet=proxyList) self.assertEqual(len(proxies), 3) self.assertEqual(len(proxyList), 4) proxies = proxy.loadProxiesFromFile(self.fn1, proxySet=proxyList) self.assertEqual(len(proxies), 5) self.assertEqual(len(proxyList), 9) self.emptyFile(self.fn0) proxies = proxy.loadProxiesFromFile(self.fn0, proxySet=proxyList, removeStale=True) self.assertEqual(len(proxies), 0) self.assertEqual(len(proxyList), 6)
def test_proxy_loadProxiesFromFile_1_file_and_proxyset(self): """Test loading proxies from one file.""" proxyList = proxy.ProxySet(['1.1.1.1']) proxies = proxy.loadProxiesFromFile(self.fn0, proxySet=proxyList) self.assertEqual(len(proxies), 3) self.assertEqual(len(proxyList), 4)
def test_proxy_loadProxiesFromFile_1_file_missing(self): """Test loading proxies from one file that doesn't exist.""" proxies = proxy.loadProxiesFromFile('%s-missing' % self.__class__.__name__) self.assertEqual(len(proxies), 0)
def test_proxy_loadProxiesFromFile_1_file(self): """Test loading proxies from one file.""" proxies = proxy.loadProxiesFromFile(self.fn0) self.assertEqual(len(proxies), 3)
def reload(inThread=True): # pragma: no cover """Reload settings, proxy lists, and bridges. State should be saved before calling this method, and will be saved again at the end of it. The internal variables ``cfg`` and ``hashring`` are taken from a :class:`~bridgedb.persistent.State` instance, which has been saved to a statefile with :meth:`bridgedb.persistent.State.save`. :type cfg: :class:`Conf` :ivar cfg: The current configuration, including any in-memory settings (i.e. settings whose values were not obtained from the config file, but were set via a function somewhere) :type hashring: A :class:`~bridgedb.bridgerings.BridgeSplitter` :ivar hashring: A class which takes an HMAC key and splits bridges into their hashring assignments. """ logging.debug("Caught SIGHUP") logging.info("Reloading...") logging.info("Loading saved state...") state = persistent.load() cfg = loadConfig(state.CONFIG_FILE, state.config) logging.info("Updating any changed settings...") state.useChangedSettings(cfg) level = getattr(state, 'LOGLEVEL', 'WARNING') logging.info("Updating log level to: '%s'" % level) level = getattr(logging, level) logging.getLogger().setLevel(level) logging.info("Reloading the list of open proxies...") for proxyfile in cfg.PROXY_LIST_FILES: logging.info("Loading proxies from: %s" % proxyfile) proxy.loadProxiesFromFile(proxyfile, proxies, removeStale=True) metrics.setProxies(proxies) state.BLACKLISTED_TOR_VERSIONS = parseVersionsList( state.BLACKLISTED_TOR_VERSIONS) logging.info("Reloading blacklisted request headers...") antibot.loadBlacklistedRequestHeaders( config.BLACKLISTED_REQUEST_HEADERS_FILE) logging.info("Reloading decoy bridges...") antibot.loadDecoyBridges(config.DECOY_BRIDGES_FILE) (hashring, emailDistributorTmp, ipDistributorTmp, moatDistributorTmp) = createBridgeRings(cfg, proxies, key) # Initialize our DB. bridgedb.Storage.initializeDBLock() bridgedb.Storage.setDBFilename(cfg.DB_FILE + ".sqlite") logging.info("Reparsing bridge descriptors...") load(state, hashring, clear=False) logging.info("Bridges loaded: %d" % len(hashring)) loadBlockedBridges(hashring) if emailDistributorTmp is not None: emailDistributorTmp.prepopulateRings() # create default rings else: logging.warn("No email distributor created!") if ipDistributorTmp is not None: ipDistributorTmp.prepopulateRings() # create default rings else: logging.warn("No HTTP(S) distributor created!") if moatDistributorTmp is not None: moatDistributorTmp.prepopulateRings() else: logging.warn("No Moat distributor created!") metrix = metrics.InternalMetrics() logging.info("Logging bridge ring metrics for %d rings." % len(hashring.ringsByName)) for ringName, ring in hashring.ringsByName.items(): # Ring is of type FilteredBridgeSplitter or UnallocatedHolder. # FilteredBridgeSplitter splits bridges into subhashrings based on # filters. if hasattr(ring, "filterRings"): for (ringname, (filterFn, subring)) in ring.filterRings.items(): subRingName = "-".join(ring.extractFilterNames(ringname)) metrix.recordBridgesInHashring(ringName, subRingName, len(subring)) elif hasattr(ring, "fingerprints"): metrix.recordBridgesInHashring(ringName, "unallocated", len(ring.fingerprints)) # Dump bridge pool assignments to disk. writeAssignments(hashring, state.ASSIGNMENTS_FILE) state.save() if inThread: # XXX shutdown the distributors if they were previously running # and should now be disabled if moatDistributorTmp: reactor.callFromThread(replaceBridgeRings, moatDistributor, moatDistributorTmp) if ipDistributorTmp: reactor.callFromThread(replaceBridgeRings, ipDistributor, ipDistributorTmp) if emailDistributorTmp: reactor.callFromThread(replaceBridgeRings, emailDistributor, emailDistributorTmp) else: # We're still starting up. Return these distributors so # they are configured in the outer-namespace return emailDistributorTmp, ipDistributorTmp, moatDistributorTmp
def reload(inThread=True): """Reload settings, proxy lists, and bridges. State should be saved before calling this method, and will be saved again at the end of it. The internal variables, ``cfg``, ``splitter``, ``proxyList``, ``ipDistributor``, and ``emailDistributor`` are all taken from a :class:`~bridgedb.persistent.State` instance, which has been saved to a statefile with :meth:`bridgedb.persistent.State.save`. :type cfg: :class:`Conf` :ivar cfg: The current configuration, including any in-memory settings (i.e. settings whose values were not obtained from the config file, but were set via a function somewhere) :type splitter: A :class:`bridgedb.Bridges.BridgeHolder` :ivar splitter: A class which takes an HMAC key and splits bridges into their hashring assignments. :type proxyList: :class:`~bridgedb.proxy.ProxySet` :ivar proxyList: The container for the IP addresses of any currently known open proxies. :ivar ipDistributor: A :class:`Dist.IPBasedDistributor`. :ivar emailDistributor: A :class:`Dist.EmailBasedDistributor`. :ivar dict tasks: A dictionary of ``{name: task}``, where name is a string to associate with the ``task``, and ``task`` is some scheduled event, repetitive or otherwise, for the :class:`reactor <twisted.internet.epollreactor.EPollReactor>`. See the classes within the :api:`twisted.internet.tasks` module. """ logging.debug("Caught SIGHUP") logging.info("Reloading...") logging.info("Loading saved state...") state = persistent.load() cfg = loadConfig(state.CONFIG_FILE, state.config) logging.info("Updating any changed settings...") state.useChangedSettings(cfg) level = getattr(state, 'LOGLEVEL', 'WARNING') logging.info("Updating log level to: '%s'" % level) level = getattr(logging, level) logging.getLogger().setLevel(level) logging.debug("Saving state again before reparsing descriptors...") state.save() logging.info("Reparsing bridge descriptors...") (splitter, emailDistributorTmp, ipDistributorTmp) = createBridgeRings(cfg, proxyList, key) # Initialize our DB. bridgedb.Storage.initializeDBLock() db = bridgedb.Storage.openDatabase(cfg.DB_FILE + ".sqlite") bridgedb.Storage.setDBFilename(cfg.DB_FILE + ".sqlite") load(state, splitter, clear=False) state = persistent.load() logging.info("Bridges loaded: %d" % len(splitter)) logging.debug("Replacing the list of open proxies...") for proxyfile in cfg.PROXY_LIST_FILES: proxy.loadProxiesFromFile(proxyfile, state.proxyList, removeStale=True) if emailDistributorTmp is not None: emailDistributorTmp.prepopulateRings() # create default rings logging.info( "Bridges allotted for %s distribution: %d" % (emailDistributorTmp.name, len(emailDistributorTmp.splitter))) else: logging.warn("No email distributor created!") if ipDistributorTmp is not None: ipDistributorTmp.prepopulateRings() # create default rings logging.info( "Bridges allotted for %s distribution: %d" % (ipDistributorTmp.name, len(ipDistributorTmp.splitter))) logging.info("\tNum bridges:\tFilter set:") nSubrings = 0 ipSubrings = ipDistributorTmp.splitter.filterRings for (ringname, (filterFn, subring)) in ipSubrings.items(): nSubrings += 1 filterSet = ' '.join( ipDistributorTmp.splitter.extractFilterNames(ringname)) logging.info("\t%2d bridges\t%s" % (len(subring), filterSet)) logging.info("Total subrings for %s: %d" % (ipDistributorTmp.name, nSubrings)) else: logging.warn("No HTTP(S) distributor created!") # Dump bridge pool assignments to disk. try: logging.debug("Dumping pool assignments to file: '%s'" % state.ASSIGNMENTS_FILE) fh = open(state.ASSIGNMENTS_FILE, 'a') fh.write("bridge-pool-assignment %s\n" % time.strftime("%Y-%m-%d %H:%M:%S")) splitter.dumpAssignments(fh) fh.flush() fh.close() except IOError: logging.info("I/O error while writing assignments to: '%s'" % state.ASSIGNMENTS_FILE) state.save() if inThread: # XXX shutdown the distributors if they were previously running # and should now be disabled if ipDistributorTmp: reactor.callFromThread(replaceBridgeRings, ipDistributor, ipDistributorTmp) if emailDistributorTmp: reactor.callFromThread(replaceBridgeRings, emailDistributor, emailDistributorTmp) else: # We're still starting up. Return these distributors so # they are configured in the outer-namespace return emailDistributorTmp, ipDistributorTmp
def reload(inThread=True): # pragma: no cover """Reload settings, proxy lists, and bridges. State should be saved before calling this method, and will be saved again at the end of it. The internal variables, ``cfg``, ``hashring``, ``proxyList``, ``ipDistributor``, and ``emailDistributor`` are all taken from a :class:`~bridgedb.persistent.State` instance, which has been saved to a statefile with :meth:`bridgedb.persistent.State.save`. :type cfg: :class:`Conf` :ivar cfg: The current configuration, including any in-memory settings (i.e. settings whose values were not obtained from the config file, but were set via a function somewhere) :type hashring: A :class:`~bridgedb.Bridges.BridgeSplitter` :ivar hashring: A class which takes an HMAC key and splits bridges into their hashring assignments. :type proxyList: :class:`~bridgedb.proxy.ProxySet` :ivar proxyList: The container for the IP addresses of any currently known open proxies. :ivar ipDistributor: A :class:`~bridgedb.distributors.https.distributor.HTTPSDistributor`. :ivar emailDistributor: A :class:`~bridgedb.distributors.email.distributor.EmailDistributor`. :ivar dict tasks: A dictionary of ``{name: task}``, where name is a string to associate with the ``task``, and ``task`` is some scheduled event, repetitive or otherwise, for the :class:`reactor <twisted.internet.epollreactor.EPollReactor>`. See the classes within the :api:`twisted.internet.tasks` module. """ logging.debug("Caught SIGHUP") logging.info("Reloading...") logging.info("Loading saved state...") state = persistent.load() cfg = loadConfig(state.CONFIG_FILE, state.config) logging.info("Updating any changed settings...") state.useChangedSettings(cfg) level = getattr(state, 'LOGLEVEL', 'WARNING') logging.info("Updating log level to: '%s'" % level) level = getattr(logging, level) logging.getLogger().setLevel(level) logging.info("Reloading the list of open proxies...") for proxyfile in cfg.PROXY_LIST_FILES: logging.info("Loading proxies from: %s" % proxyfile) proxy.loadProxiesFromFile(proxyfile, state.proxies, removeStale=True) logging.info("Reparsing bridge descriptors...") (hashring, emailDistributorTmp, ipDistributorTmp, moatDistributorTmp) = createBridgeRings(cfg, state.proxies, key) logging.info("Bridges loaded: %d" % len(hashring)) # Initialize our DB. bridgedb.Storage.initializeDBLock() bridgedb.Storage.setDBFilename(cfg.DB_FILE + ".sqlite") load(state, hashring, clear=False) if emailDistributorTmp is not None: emailDistributorTmp.prepopulateRings() # create default rings else: logging.warn("No email distributor created!") if ipDistributorTmp is not None: ipDistributorTmp.prepopulateRings() # create default rings else: logging.warn("No HTTP(S) distributor created!") if moatDistributorTmp is not None: moatDistributorTmp.prepopulateRings() else: logging.warn("No Moat distributor created!") # Dump bridge pool assignments to disk. writeAssignments(hashring, state.ASSIGNMENTS_FILE) state.save() if inThread: # XXX shutdown the distributors if they were previously running # and should now be disabled if moatDistributorTmp: reactor.callFromThread(replaceBridgeRings, moatDistributor, moatDistributorTmp) if ipDistributorTmp: reactor.callFromThread(replaceBridgeRings, ipDistributor, ipDistributorTmp) if emailDistributorTmp: reactor.callFromThread(replaceBridgeRings, emailDistributor, emailDistributorTmp) else: # We're still starting up. Return these distributors so # they are configured in the outer-namespace return emailDistributorTmp, ipDistributorTmp, moatDistributorTmp
def run(options, reactor=reactor): """This is BridgeDB's main entry point and main runtime loop. Given the parsed commandline options, this function handles locating the configuration file, loading and parsing it, and then either (re)parsing plus (re)starting the servers, or dumping bridge assignments to files. :type options: :class:`bridgedb.parse.options.MainOptions` :param options: A pre-parsed options class containing any arguments and options given in the commandline we were called with. :type state: :class:`bridgedb.persistent.State` :ivar state: A persistent state object which holds config changes. :param reactor: An implementer of :api:`twisted.internet.interfaces.IReactorCore`. This parameter is mainly for testing; the default :api:`twisted.internet.epollreactor.EPollReactor` is fine for normal application runs. """ # Change to the directory where we're supposed to run. This must be done # before parsing the config file, otherwise there will need to be two # copies of the config file, one in the directory BridgeDB is started in, # and another in the directory it changes into. os.chdir(options['rundir']) if options['verbosity'] <= 10: # Corresponds to logging.DEBUG print("Changed to runtime directory %r" % os.getcwd()) config = loadConfig(options['config']) config.RUN_IN_DIR = options['rundir'] # Set up logging as early as possible. We cannot import from the bridgedb # package any of our modules which import :mod:`logging` and start using # it, at least, not until :func:`safelog.configureLogging` is # called. Otherwise a default handler that logs to the console will be # created by the imported module, and all further calls to # :func:`logging.basicConfig` will be ignored. util.configureLogging(config) if options['dump-bridges'] or (options.subCommand is not None): runSubcommand(options, config) # Write the pidfile only after any options.subCommands are run (because # these exit when they are finished). Otherwise, if there is a subcommand, # the real PIDFILE would get overwritten with the PID of the temporary # bridgedb process running the subcommand. if config.PIDFILE: logging.debug("Writing server PID to file: '%s'" % config.PIDFILE) with open(config.PIDFILE, 'w') as pidfile: pidfile.write("%s\n" % os.getpid()) pidfile.flush() from bridgedb import persistent state = persistent.State(config=config) from bridgedb.email.server import addServer as addSMTPServer from bridgedb import HTTPServer # Load the master key, or create a new one. key = crypto.getKey(config.MASTER_KEY_FILE) # Get a proxy list. proxyList = proxy.ProxySet() for proxyfile in config.PROXY_LIST_FILES: logging.info("Loading proxies from: %s" % proxyfile) proxy.loadProxiesFromFile(proxyfile, proxyList) emailDistributor = ipDistributor = None # Save our state state.proxyList = proxyList state.key = key state.save() def reload(inThread=True): """Reload settings, proxy lists, and bridges. State should be saved before calling this method, and will be saved again at the end of it. The internal variables, ``cfg``, ``splitter``, ``proxyList``, ``ipDistributor``, and ``emailDistributor`` are all taken from a :class:`~bridgedb.persistent.State` instance, which has been saved to a statefile with :meth:`bridgedb.persistent.State.save`. :type cfg: :class:`Conf` :ivar cfg: The current configuration, including any in-memory settings (i.e. settings whose values were not obtained from the config file, but were set via a function somewhere) :type splitter: A :class:`bridgedb.Bridges.BridgeHolder` :ivar splitter: A class which takes an HMAC key and splits bridges into their hashring assignments. :type proxyList: :class:`~bridgedb.proxy.ProxySet` :ivar proxyList: The container for the IP addresses of any currently known open proxies. :ivar ipDistributor: A :class:`Dist.IPBasedDistributor`. :ivar emailDistributor: A :class:`Dist.EmailBasedDistributor`. :ivar dict tasks: A dictionary of ``{name: task}``, where name is a string to associate with the ``task``, and ``task`` is some scheduled event, repetitive or otherwise, for the :class:`reactor <twisted.internet.epollreactor.EPollReactor>`. See the classes within the :api:`twisted.internet.tasks` module. """ logging.debug("Caught SIGHUP") logging.info("Reloading...") logging.info("Loading saved state...") state = persistent.load() cfg = loadConfig(state.CONFIG_FILE, state.config) logging.info("Updating any changed settings...") state.useChangedSettings(cfg) level = getattr(state, 'LOGLEVEL', 'WARNING') logging.info("Updating log level to: '%s'" % level) level = getattr(logging, level) logging.getLogger().setLevel(level) logging.debug("Saving state again before reparsing descriptors...") state.save() logging.info("Reparsing bridge descriptors...") (splitter, emailDistributorTmp, ipDistributorTmp) = createBridgeRings(cfg, proxyList, key) # Initialize our DB. bridgedb.Storage.initializeDBLock() db = bridgedb.Storage.openDatabase(cfg.DB_FILE + ".sqlite") bridgedb.Storage.setDBFilename(cfg.DB_FILE + ".sqlite") load(state, splitter, clear=False) state = persistent.load() logging.info("Bridges loaded: %d" % len(splitter)) logging.debug("Replacing the list of open proxies...") for proxyfile in cfg.PROXY_LIST_FILES: proxy.loadProxiesFromFile(proxyfile, state.proxyList, removeStale=True) if emailDistributorTmp is not None: emailDistributorTmp.prepopulateRings() # create default rings logging.info( "Bridges allotted for %s distribution: %d" % (emailDistributorTmp.name, len(emailDistributorTmp.splitter))) else: logging.warn("No email distributor created!") if ipDistributorTmp is not None: ipDistributorTmp.prepopulateRings() # create default rings logging.info( "Bridges allotted for %s distribution: %d" % (ipDistributorTmp.name, len(ipDistributorTmp.splitter))) logging.info("\tNum bridges:\tFilter set:") nSubrings = 0 ipSubrings = ipDistributorTmp.splitter.filterRings for (ringname, (filterFn, subring)) in ipSubrings.items(): nSubrings += 1 filterSet = ' '.join( ipDistributorTmp.splitter.extractFilterNames(ringname)) logging.info("\t%2d bridges\t%s" % (len(subring), filterSet)) logging.info("Total subrings for %s: %d" % (ipDistributorTmp.name, nSubrings)) else: logging.warn("No HTTP(S) distributor created!") # Dump bridge pool assignments to disk. try: logging.debug("Dumping pool assignments to file: '%s'" % state.ASSIGNMENTS_FILE) fh = open(state.ASSIGNMENTS_FILE, 'a') fh.write("bridge-pool-assignment %s\n" % time.strftime("%Y-%m-%d %H:%M:%S")) splitter.dumpAssignments(fh) fh.flush() fh.close() except IOError: logging.info("I/O error while writing assignments to: '%s'" % state.ASSIGNMENTS_FILE) state.save() if inThread: # XXX shutdown the distributors if they were previously running # and should now be disabled if ipDistributorTmp: reactor.callFromThread(replaceBridgeRings, ipDistributor, ipDistributorTmp) if emailDistributorTmp: reactor.callFromThread(replaceBridgeRings, emailDistributor, emailDistributorTmp) else: # We're still starting up. Return these distributors so # they are configured in the outer-namespace return emailDistributorTmp, ipDistributorTmp global _reloadFn _reloadFn = reload signal.signal(signal.SIGHUP, _handleSIGHUP) signal.signal(signal.SIGUSR1, _handleSIGUSR1) if reactor: # And actually load it to start parsing. Get back our distributors. emailDistributor, ipDistributor = reload(False) # Configure all servers: if config.HTTPS_DIST and config.HTTPS_SHARE: HTTPServer.addWebServer(config, ipDistributor) if config.EMAIL_DIST and config.EMAIL_SHARE: addSMTPServer(config, emailDistributor) tasks = {} # Setup all our repeating tasks: if config.TASKS['GET_TOR_EXIT_LIST']: tasks['GET_TOR_EXIT_LIST'] = task.LoopingCall( proxy.downloadTorExits, proxyList, config.SERVER_PUBLIC_EXTERNAL_IP) # Schedule all configured repeating tasks: for name, seconds in config.TASKS.items(): if seconds: try: tasks[name].start(abs(seconds)) except KeyError: logging.info("Task %s is disabled and will not run." % name) else: logging.info("Scheduled task %s to run every %s seconds." % (name, seconds)) # Actually run the servers. try: if reactor and not reactor.running: logging.info("Starting reactors.") reactor.run() except KeyboardInterrupt: logging.fatal("Received keyboard interrupt. Shutting down...") finally: if config.PIDFILE: os.unlink(config.PIDFILE) logging.info("Exiting...") sys.exit()