2015-01-29 23:56:04 -08:00
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import re
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import os
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import time
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import gzip
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2015-01-30 00:00:19 -08:00
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from . import frontend
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2015-01-29 23:56:04 -08:00
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import homeassistant.util as util
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DOMAIN = 'frontend'
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DEPENDENCIES = ['api']
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HTTP_OK = 200
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HTTP_CREATED = 201
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HTTP_MOVED_PERMANENTLY = 301
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HTTP_BAD_REQUEST = 400
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HTTP_UNAUTHORIZED = 401
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HTTP_NOT_FOUND = 404
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HTTP_METHOD_NOT_ALLOWED = 405
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HTTP_UNPROCESSABLE_ENTITY = 422
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URL_ROOT = "/"
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def setup(hass, config):
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""" Setup serving the frontend. """
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if 'http' not in hass.components:
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return False
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hass.http.register_path('GET', URL_ROOT, _handle_get_root, False)
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# Static files
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hass.http.register_path(
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'GET', re.compile(r'/static/(?P<file>[a-zA-Z\._\-0-9/]+)'),
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_handle_get_static, False)
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hass.http.register_path(
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'HEAD', re.compile(r'/static/(?P<file>[a-zA-Z\._\-0-9/]+)'),
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_handle_get_static, False)
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return True
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def _handle_get_root(handler, path_match, data):
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""" Renders the debug interface. """
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write = lambda txt: handler.wfile.write((txt + "\n").encode("UTF-8"))
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handler.send_response(HTTP_OK)
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handler.send_header('Content-type', 'text/html; charset=utf-8')
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handler.end_headers()
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if handler.server.development:
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app_url = "polymer/splash-login.html"
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else:
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app_url = "frontend-{}.html".format(frontend.VERSION)
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# auto login if no password was set, else check api_password param
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auth = (handler.server.api_password if handler.server.no_password_set
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else data.get('api_password', ''))
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write(("<!doctype html>"
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"<html>"
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"<head><title>Home Assistant</title>"
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"<meta name='mobile-web-app-capable' content='yes'>"
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"<link rel='shortcut icon' href='/static/favicon.ico' />"
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"<link rel='icon' type='image/png' "
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" href='/static/favicon-192x192.png' sizes='192x192'>"
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"<meta name='viewport' content='width=device-width, "
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" user-scalable=no, initial-scale=1.0, "
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" minimum-scale=1.0, maximum-scale=1.0' />"
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"<meta name='theme-color' content='#03a9f4'>"
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"</head>"
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"<body fullbleed>"
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"<h3 id='init' align='center'>Initializing Home Assistant</h3>"
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"<script"
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" src='/static/webcomponents.min.js'></script>"
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"<link rel='import' href='/static/{}' />"
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"<splash-login auth='{}'></splash-login>"
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"</body></html>").format(app_url, auth))
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def _handle_get_static(handler, path_match, data):
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""" Returns a static file. """
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req_file = util.sanitize_path(path_match.group('file'))
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# Strip md5 hash out of frontend filename
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if re.match(r'^frontend-[A-Za-z0-9]{32}\.html$', req_file):
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req_file = "frontend.html"
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path = os.path.join(os.path.dirname(__file__), 'www_static', req_file)
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inp = None
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try:
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inp = open(path, 'rb')
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do_gzip = 'gzip' in handler.headers.get('accept-encoding', '')
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handler.send_response(HTTP_OK)
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ctype = handler.guess_type(path)
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handler.send_header("Content-Type", ctype)
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# Add cache if not development
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if not handler.server.development:
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# 1 year in seconds
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cache_time = 365 * 86400
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handler.send_header(
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"Cache-Control", "public, max-age={}".format(cache_time))
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handler.send_header(
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"Expires", handler.date_time_string(time.time()+cache_time))
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if do_gzip:
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gzip_data = gzip.compress(inp.read())
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handler.send_header("Content-Encoding", "gzip")
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handler.send_header("Vary", "Accept-Encoding")
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handler.send_header("Content-Length", str(len(gzip_data)))
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else:
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fs = os.fstat(inp.fileno())
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handler.send_header("Content-Length", str(fs[6]))
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handler.end_headers()
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if handler.command == 'HEAD':
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return
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elif do_gzip:
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handler.wfile.write(gzip_data)
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else:
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handler.copyfile(inp, handler.wfile)
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except IOError:
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handler.send_response(HTTP_NOT_FOUND)
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handler.end_headers()
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finally:
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if inp:
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inp.close()
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