153 lines
6.1 KiB
Python
153 lines
6.1 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2012-2019 janeczku, OzzieIsaacs, andrerfcsantos, idalin
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from socket import error as SocketError
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import sys
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import os
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import signal
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from cps import config, global_WorkerThread
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try:
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from gevent.pywsgi import WSGIServer
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from gevent.pool import Pool
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from gevent import __version__ as geventVersion
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gevent_present = True
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except ImportError:
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from tornado.wsgi import WSGIContainer
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import IOLoop
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from tornado import version as tornadoVersion
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gevent_present = False
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class server:
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wsgiserver = None
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restart = False
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app = None
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def __init__(self):
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signal.signal(signal.SIGINT, self.killServer)
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signal.signal(signal.SIGTERM, self.killServer)
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def init_app(self, application):
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self.app = application
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def start_gevent(self):
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ssl_args = dict()
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try:
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certfile_path = config.get_config_certfile()
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keyfile_path = config.get_config_keyfile()
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if certfile_path and keyfile_path:
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if os.path.isfile(certfile_path) and os.path.isfile(keyfile_path):
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ssl_args = {"certfile": certfile_path,
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"keyfile": keyfile_path}
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else:
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self.app.logger.info('The specified paths for the ssl certificate file and/or key file seem '
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'to be broken. Ignoring ssl. Cert path: %s | Key path: '
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'%s' % (certfile_path, keyfile_path))
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if os.name == 'nt':
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self.wsgiserver = WSGIServer(('0.0.0.0', config.config_port), self.app, spawn=Pool(), **ssl_args)
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else:
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self.wsgiserver = WSGIServer(('', config.config_port), self.app, spawn=Pool(), **ssl_args)
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self.wsgiserver.serve_forever()
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except SocketError:
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try:
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self.app.logger.info('Unable to listen on \'\', trying on IPv4 only...')
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self.wsgiserver = WSGIServer(('0.0.0.0', config.config_port), self.app, spawn=Pool(), **ssl_args)
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self.wsgiserver.serve_forever()
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except (OSError, SocketError) as e:
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self.app.logger.info("Error starting server: %s" % e.strerror)
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print("Error starting server: %s" % e.strerror)
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global_WorkerThread.stop()
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sys.exit(1)
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except Exception:
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self.app.logger.info("Unknown error while starting gevent")
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def startServer(self):
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if gevent_present:
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self.app.logger.info('Starting Gevent server')
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# leave subprocess out to allow forking for fetchers and processors
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self.start_gevent()
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else:
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try:
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ssl = None
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self.app.logger.info('Starting Tornado server')
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certfile_path = config.get_config_certfile()
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keyfile_path = config.get_config_keyfile()
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if certfile_path and keyfile_path:
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if os.path.isfile(certfile_path) and os.path.isfile(keyfile_path):
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ssl = {"certfile": certfile_path,
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"keyfile": keyfile_path}
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else:
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self.app.logger.info('The specified paths for the ssl certificate file and/or key file '
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'seem to be broken. Ignoring ssl. Cert path: %s | Key '
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'path: %s' % (certfile_path, keyfile_path))
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# Max Buffersize set to 200MB
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http_server = HTTPServer(WSGIContainer(self.app),
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max_buffer_size = 209700000,
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ssl_options=ssl)
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http_server.listen(config.config_port)
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self.wsgiserver=IOLoop.instance()
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self.wsgiserver.start()
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# wait for stop signal
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self.wsgiserver.close(True)
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except SocketError as e:
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self.app.logger.info("Error starting server: %s" % e.strerror)
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print("Error starting server: %s" % e.strerror)
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global_WorkerThread.stop()
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sys.exit(1)
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if self.restart is True:
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self.app.logger.info("Performing restart of Calibre-Web")
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global_WorkerThread.stop()
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if os.name == 'nt':
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arguments = ["\"" + sys.executable + "\""]
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for e in sys.argv:
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arguments.append("\"" + e + "\"")
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os.execv(sys.executable, arguments)
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else:
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os.execl(sys.executable, sys.executable, *sys.argv)
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else:
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self.app.logger.info("Performing shutdown of Calibre-Web")
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global_WorkerThread.stop()
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sys.exit(0)
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def setRestartTyp(self,starttyp):
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self.restart = starttyp
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def killServer(self, signum, frame):
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self.stopServer()
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def stopServer(self):
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if self.wsgiserver:
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if gevent_present:
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self.wsgiserver.close()
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else:
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self.wsgiserver.add_callback(self.wsgiserver.stop)
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@staticmethod
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def getNameVersion():
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if gevent_present:
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return {'Gevent': 'v' + geventVersion}
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else:
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return {'Tornado': 'v' + tornadoVersion}
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