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"""
MIT License
Copyright (C) 2023 ROCKY4546
https://github.com/rocky4546
This file is part of Cabernet
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
"""
import errno
import os
import pathlib
import re
import time
from threading import Thread
from http.server import HTTPServer
import lib.common.utils as utils
from lib.common.decorators import getrequest
from lib.common.decorators import postrequest
from lib.common.decorators import filerequest
from lib.web.pages.templates import web_templates
from .web_handler import WebHTTPHandler
@filerequest.route('/html/', '/images/', '/modules/')
def lib_web_htdocs(_webserver):
valid_check = re.match(r'^(/([A-Za-z0-9._\-]+)/[A-Za-z0-9._\-/]+)[?%&A-Za-z0-9._\-/=]*$', _webserver.path)
if not valid_check:
return False
file_path = valid_check.group(1)
htdocs_path = _webserver.config['paths']['www_pkg']
path_list = file_path.split('/')
fullfile_path = htdocs_path + '.'.join(path_list[:-1])
_webserver.do_file_response(200, fullfile_path, path_list[-1])
return True
@filerequest.route('/temp/')
def data_web(_webserver):
valid_check = re.match(r'^(/([A-Za-z0-9._\-]+)/[A-Za-z0-9._\-/]+)[?%&A-Za-z0-9._\-/=]*$', _webserver.path)
if not valid_check:
return False
url_path = valid_check.group(1)
temp_path = pathlib.Path(
_webserver.config['paths']['data_dir'], 'web')
if not temp_path.exists():
return False
path_list = url_path.split('/')
file_path = temp_path.joinpath(*path_list[:])
_webserver.do_file_response(200, None, file_path)
@getrequest.route('/tunerstatus')
def tunerstatus(_webserver):
_webserver.send_response(302)
_webserver.send_header('Location', '{}{}{}'.format('http://', _webserver.stream_url, '/tunerstatus'))
_webserver.end_headers()
class WebAdminHttpHandler(WebHTTPHandler):
# class variables
hdhr_station_scan = -1
def __init__(self, *args):
os.chdir(os.path.dirname(os.path.abspath(__file__)))
self.script_dir = pathlib.Path(os.path.dirname(os.path.abspath(__file__)))
self.stream_url = \
self.config['web']['plex_accessible_ip'] + ':' + \
str(self.config['web']['plex_accessible_port'])
self.web_admin_url = \
self.config['web']['plex_accessible_ip'] + \
':' + str(self.config['web']['web_admin_port'])
self.content_path = None
self.query_data = None
try:
super().__init__(*args)
except ConnectionResetError as ex:
self.logger.notice('ConnectionResetError occurred on incoming URL request, will try again {}'.format(str(ex)))
time.sleep(1)
super().__init__(*args)
except ValueError as ex:
self.logger.warning('ValueError occurred, Possible Bad stream recieved. {}'.format(str(ex)))
def do_GET(self):
try:
valid_check = re.match(r'^(/([A-Za-z0-9._\-]+)/[A-Za-z0-9._\-/]+)[?%&A-Za-z0-9._\-/=]*$', self.path)
self.content_path, self.query_data = self.get_query_data()
self.plugins.config_obj.refresh_config_data()
utils.start_mem_trace(self.config)
self.config = self.plugins.config_obj.data
if filerequest.call_url(self, self.content_path):
pass
elif getrequest.call_url(self, self.content_path):
pass
else:
self.logger.notice('UNKNOWN HTTP Request {}'.format(self.content_path))
self.do_mime_response(501, 'text/html',
web_templates['htmlError'].format('501 - Not Implemented'))
snapshot = utils.end_mem_trace(self.config)
utils.display_top(self.config, snapshot)
return
except MemoryError as ex:
self.logger.error('UNKNOWN MEMORY EXCEPTION: {}'.format(ex))
self.do_mime_response(501, 'text/html',
web_templates['htmlError'].format('501 - {}'.format(ex)))
snapshot = utils.end_mem_trace(self.config)
utils.display_top(self.config, snapshot)
except IOError as ex:
if ex.errno in [errno.EPIPE, errno.ECONNABORTED, errno.ECONNRESET, errno.ECONNREFUSED]:
self.logger.info('Connection dropped by end device {}'.format(ex))
else:
self.logger.exception('{}{}'.format(
'UNEXPECTED IOERROR EXCEPTION=', ex))
snapshot = utils.end_mem_trace(self.config)
utils.display_top(self.config, snapshot)
except Exception as ex:
self.logger.exception('{}{}'.format(
'UNEXPECTED EXCEPTION on GET=', ex))
self.do_mime_response(501, 'text/html',
web_templates['htmlError'].format('501 - Server Error'))
snapshot = utils.end_mem_trace(self.config)
utils.display_top(self.config, snapshot)
def do_POST(self):
try:
self.content_path = self.path
# get POST data
self.content_path, self.query_data = self.get_query_data()
self.logger.debug('Receiving POST form {}'.format(self.content_path))
self.plugins.config_obj.refresh_config_data()
self.config = self.plugins.config_obj.data
if postrequest.call_url(self, self.content_path):
pass
else:
self.logger.notice('UNKNOWN HTTP POST Request {}'.format(self.content_path))
self.do_mime_response(501, 'text/html', web_templates['htmlError'].format('501 - Not Implemented'))
except Exception as ex:
self.logger.exception('{}{}'.format(
'UNEXPECTED EXCEPTION on POST=', ex))
self.do_mime_response(501, 'text/html',
web_templates['htmlError'].format('501 - Server Error'))
@classmethod
def get_ns_inst_path(cls, _query_data):
if _query_data['name']:
path = '/' + _query_data['name']
else:
path = ''
if _query_data['instance']:
path += '/' + _query_data['instance']
return path
def put_hdhr_queue(self, _namespace, _index, _channel, _status):
if not self.config['hdhomerun']['disable_hdhr']:
WebAdminHttpHandler.hdhr_queue.put(
{'namespace': _namespace, 'tuner': _index, 'channel': _channel, 'status': _status})
def update_scan_status(self, _namespace, _new_status):
if _new_status == 'Scan':
old_status = 'Idle'
else:
old_status = 'Scan'
if _namespace is None:
for namespace, status_list in WebAdminHttpHandler.rmg_station_scans.items():
for i, status in enumerate(status_list):
if status == old_status:
WebAdminHttpHandler.rmg_station_scans[namespace][i] = _new_status
self.put_hdhr_queue(namespace, i, None, _new_status)
else:
status_list = WebAdminHttpHandler.rmg_station_scans[_namespace]
for i, status in enumerate(status_list):
if status == old_status:
WebAdminHttpHandler.rmg_station_scans[_namespace][i] = _new_status
self.put_hdhr_queue(_namespace, i, None, _new_status)
@property
def scan_state(self):
return WebAdminHttpHandler.hdhr_station_scan
@scan_state.setter
def scan_state(self, new_value):
WebAdminHttpHandler.hdhr_station_scan = new_value
@classmethod
def init_class_var_sub(cls, _plugins, _hdhr_queue, _terminate_queue, _sched_queue):
super(WebAdminHttpHandler, cls).init_class_var(_plugins, _hdhr_queue, _terminate_queue)
WebHTTPHandler.sched_queue = _sched_queue
getrequest.log_urls()
postrequest.log_urls()
filerequest.log_urls()
class WebAdminHttpServer(Thread):
def __init__(self, server_socket, _plugins):
Thread.__init__(self)
self.bind_ip = _plugins.config_obj.data['web']['bind_ip']
self.bind_port = _plugins.config_obj.data['web']['web_admin_port']
self.socket = server_socket
self.server_close = None
self.start()
def run(self):
HttpHandlerClass = FactoryWebAdminHttpHandler()
httpd = HTTPServer((self.bind_ip, self.bind_port), HttpHandlerClass, bind_and_activate=False)
httpd.socket = self.socket
httpd.server_bind = self.server_close = lambda self: None
httpd.server_activate()
httpd.serve_forever()
def FactoryWebAdminHttpHandler():
class CustomWebAdminHttpHandler(WebAdminHttpHandler):
def __init__(self, *args, **kwargs):
super(CustomWebAdminHttpHandler, self).__init__(*args, **kwargs)
return CustomWebAdminHttpHandler
def start(_plugins, _hdhr_queue, _terminate_queue, _sched_queue):
WebAdminHttpHandler.start_httpserver(
_plugins, _hdhr_queue, _terminate_queue,
_plugins.config_obj.data['web']['web_admin_port'],
WebAdminHttpServer, _sched_queue)
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