mirror of
https://github.com/esphome/esphome.git
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280 lines
10 KiB
Python
280 lines
10 KiB
Python
# pylint: disable=wrong-import-position
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from __future__ import print_function
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import codecs
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import hmac
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import json
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import logging
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import os
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import random
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import subprocess
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from esphomeyaml.const import CONF_ESPHOMEYAML, CONF_BUILD_PATH
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from esphomeyaml.core import ESPHomeYAMLError
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from esphomeyaml import const, core, __main__
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from esphomeyaml.__main__ import get_serial_ports
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from esphomeyaml.helpers import quote, relative_path
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try:
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import tornado
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import tornado.gen
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import tornado.ioloop
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import tornado.iostream
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import tornado.process
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import tornado.web
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import tornado.websocket
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import tornado.concurrent
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except ImportError as err:
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tornado = None
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_LOGGER = logging.getLogger(__name__)
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CONFIG_DIR = ''
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PASSWORD = ''
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# pylint: disable=abstract-method
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class BaseHandler(tornado.web.RequestHandler):
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def is_authenticated(self):
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return not PASSWORD or self.get_secure_cookie('authenticated') == 'yes'
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# pylint: disable=abstract-method, arguments-differ
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class EsphomeyamlCommandWebSocket(tornado.websocket.WebSocketHandler):
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def __init__(self, application, request, **kwargs):
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super(EsphomeyamlCommandWebSocket, self).__init__(application, request, **kwargs)
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self.proc = None
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self.closed = False
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def on_message(self, message):
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if PASSWORD and self.get_secure_cookie('authenticated') != 'yes':
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return
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if self.proc is not None:
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return
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command = self.build_command(message)
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_LOGGER.debug(u"WebSocket opened for command %s", [quote(x) for x in command])
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self.proc = tornado.process.Subprocess(command,
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stdout=tornado.process.Subprocess.STREAM,
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stderr=subprocess.STDOUT)
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self.proc.set_exit_callback(self.proc_on_exit)
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tornado.ioloop.IOLoop.current().spawn_callback(self.redirect_stream)
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@tornado.gen.coroutine
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def redirect_stream(self):
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while True:
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try:
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data = yield self.proc.stdout.read_until_regex('[\n\r]')
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except tornado.iostream.StreamClosedError:
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break
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if data.endswith('\r') and random.randrange(100) < 90:
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continue
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try:
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data = data.replace('\033', '\\033')
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except UnicodeDecodeError:
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data = data.encode('ascii', 'backslashreplace')
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self.write_message({'event': 'line', 'data': data})
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def proc_on_exit(self, returncode):
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if not self.closed:
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_LOGGER.debug("Process exited with return code %s", returncode)
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self.write_message({'event': 'exit', 'code': returncode})
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def on_close(self):
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self.closed = True
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if self.proc is not None and self.proc.returncode is None:
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_LOGGER.debug("Terminating process")
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self.proc.proc.terminate()
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def build_command(self, message):
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raise NotImplementedError
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class EsphomeyamlLogsHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = CONFIG_DIR + '/' + js['configuration']
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return ["esphomeyaml", config_file, "logs", '--serial-port', js["port"], '--escape']
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class EsphomeyamlRunHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = os.path.join(CONFIG_DIR, js['configuration'])
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return ["esphomeyaml", config_file, "run", '--upload-port', js["port"],
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'--escape', '--use-esptoolpy']
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class EsphomeyamlCompileHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = os.path.join(CONFIG_DIR, js['configuration'])
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return ["esphomeyaml", config_file, "compile"]
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class EsphomeyamlValidateHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = os.path.join(CONFIG_DIR, js['configuration'])
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return ["esphomeyaml", config_file, "config"]
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class EsphomeyamlCleanMqttHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = os.path.join(CONFIG_DIR, js['configuration'])
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return ["esphomeyaml", config_file, "clean-mqtt"]
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class EsphomeyamlCleanHandler(EsphomeyamlCommandWebSocket):
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def build_command(self, message):
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js = json.loads(message)
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config_file = os.path.join(CONFIG_DIR, js['configuration'])
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return ["esphomeyaml", config_file, "clean"]
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class SerialPortRequestHandler(BaseHandler):
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def get(self):
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if not self.is_authenticated():
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self.redirect('/login')
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return
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ports = get_serial_ports()
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data = []
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for port, desc in ports:
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if port == '/dev/ttyAMA0':
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desc = 'UART pins on GPIO header'
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split_desc = desc.split(' - ')
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if len(split_desc) == 2 and split_desc[0] == split_desc[1]:
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# Some serial ports repeat their values
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desc = split_desc[0]
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data.append({'port': port, 'desc': desc})
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data.append({'port': 'OTA', 'desc': 'Over-The-Air'})
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self.write(json.dumps(sorted(data, reverse=True)))
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class WizardRequestHandler(BaseHandler):
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def post(self):
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from esphomeyaml import wizard
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if not self.is_authenticated():
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self.redirect('/login')
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return
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kwargs = {k: ''.join(v) for k, v in self.request.arguments.iteritems()}
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config = wizard.wizard_file(**kwargs)
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destination = os.path.join(CONFIG_DIR, kwargs['name'] + '.yaml')
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with codecs.open(destination, 'w') as f_handle:
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f_handle.write(config)
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self.redirect('/?begin=True')
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class DownloadBinaryRequestHandler(BaseHandler):
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def get(self):
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if not self.is_authenticated():
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self.redirect('/login')
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return
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configuration = self.get_argument('configuration')
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config_file = os.path.join(CONFIG_DIR, configuration)
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core.CONFIG_PATH = config_file
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config = __main__.read_config(core.CONFIG_PATH)
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build_path = relative_path(config[CONF_ESPHOMEYAML][CONF_BUILD_PATH])
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path = os.path.join(build_path, '.pioenvs', core.NAME, 'firmware.bin')
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self.set_header('Content-Type', 'application/octet-stream')
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self.set_header("Content-Disposition", 'attachment; filename="{}.bin"'.format(core.NAME))
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with open(path, 'rb') as f:
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while 1:
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data = f.read(16384) # or some other nice-sized chunk
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if not data:
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break
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self.write(data)
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self.finish()
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class MainRequestHandler(BaseHandler):
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def get(self):
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if not self.is_authenticated():
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self.redirect('/login')
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return
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begin = bool(self.get_argument('begin', False))
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files = sorted([f for f in os.listdir(CONFIG_DIR) if f.endswith('.yaml') and
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not f.startswith('.')])
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full_path_files = [os.path.join(CONFIG_DIR, f) for f in files]
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self.render("templates/index.html", files=files, full_path_files=full_path_files,
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version=const.__version__, begin=begin)
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class LoginHandler(BaseHandler):
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def get(self):
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self.write('<html><body><form action="/login" method="post">'
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'Password: <input type="password" name="password">'
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'<input type="submit" value="Sign in">'
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'</form></body></html>')
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def post(self):
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password = str(self.get_argument("password", ''))
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password = hmac.new(password).digest()
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if hmac.compare_digest(PASSWORD, password):
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self.set_secure_cookie("authenticated", "yes")
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self.redirect("/")
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def make_app(debug=False):
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static_path = os.path.join(os.path.dirname(__file__), 'static')
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return tornado.web.Application([
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(r"/", MainRequestHandler),
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(r"/login", LoginHandler),
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(r"/logs", EsphomeyamlLogsHandler),
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(r"/run", EsphomeyamlRunHandler),
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(r"/compile", EsphomeyamlCompileHandler),
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(r"/validate", EsphomeyamlValidateHandler),
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(r"/clean-mqtt", EsphomeyamlCleanMqttHandler),
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(r"/clean", EsphomeyamlCleanHandler),
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(r"/download.bin", DownloadBinaryRequestHandler),
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(r"/serial-ports", SerialPortRequestHandler),
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(r"/wizard.html", WizardRequestHandler),
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(r'/static/(.*)', tornado.web.StaticFileHandler, {'path': static_path}),
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], debug=debug, cookie_secret=PASSWORD)
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def start_web_server(args):
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global CONFIG_DIR
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global PASSWORD
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if tornado is None:
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raise ESPHomeYAMLError("Attempted to load dashboard, but tornado is not installed! "
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"Please run \"pip2 install tornado esptool\" in your terminal.")
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CONFIG_DIR = args.configuration
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if not os.path.exists(CONFIG_DIR):
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os.makedirs(CONFIG_DIR)
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# HassIO options storage
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PASSWORD = args.password
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if os.path.isfile('/data/options.json'):
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with open('/data/options.json') as f:
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js = json.load(f)
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PASSWORD = js.get('password') or PASSWORD
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if PASSWORD:
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PASSWORD = hmac.new(str(PASSWORD)).digest()
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# Use the digest of the password as our cookie secret. This makes sure the cookie
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# isn't too short. It, of course, enables local hash brute forcing (because the cookie
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# secret can be brute forced without making requests). But the hashing algorithm used
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# by tornado is apparently strong enough to make brute forcing even a short string pretty
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# hard.
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_LOGGER.info("Starting dashboard web server on port %s and configuration dir %s...",
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args.port, CONFIG_DIR)
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app = make_app(args.verbose)
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app.listen(args.port)
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if args.open_ui:
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import webbrowser
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webbrowser.open('localhost:{}'.format(args.port))
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try:
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tornado.ioloop.IOLoop.current().start()
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except KeyboardInterrupt:
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_LOGGER.info("Shutting down...")
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