Home Assistant

import re import os import time import gzip from . import frontend import homeassistant.util as util DOMAIN = 'frontend' DEPENDENCIES = ['api'] HTTP_OK = 200 HTTP_CREATED = 201 HTTP_MOVED_PERMANENTLY = 301 HTTP_BAD_REQUEST = 400 HTTP_UNAUTHORIZED = 401 HTTP_NOT_FOUND = 404 HTTP_METHOD_NOT_ALLOWED = 405 HTTP_UNPROCESSABLE_ENTITY = 422 URL_ROOT = "/" def setup(hass, config): """ Setup serving the frontend. """ if 'http' not in hass.components: return False hass.http.register_path('GET', URL_ROOT, _handle_get_root, False) # Static files hass.http.register_path( 'GET', re.compile(r'/static/(?P[a-zA-Z\._\-0-9/]+)'), _handle_get_static, False) hass.http.register_path( 'HEAD', re.compile(r'/static/(?P[a-zA-Z\._\-0-9/]+)'), _handle_get_static, False) return True def _handle_get_root(handler, path_match, data): """ Renders the debug interface. """ write = lambda txt: handler.wfile.write((txt + "\n").encode("UTF-8")) handler.send_response(HTTP_OK) handler.send_header('Content-type', 'text/html; charset=utf-8') handler.end_headers() if handler.server.development: app_url = "polymer/splash-login.html" else: app_url = "frontend-{}.html".format(frontend.VERSION) # auto login if no password was set, else check api_password param auth = (handler.server.api_password if handler.server.no_password_set else data.get('api_password', '')) write(("" "" "Home Assistant" "" "" "" "" "" "" "" "

Initializing Home Assistant

" "" "" "" "").format(app_url, auth)) def _handle_get_static(handler, path_match, data): """ Returns a static file. """ req_file = util.sanitize_path(path_match.group('file')) # Strip md5 hash out of frontend filename if re.match(r'^frontend-[A-Za-z0-9]{32}\.html$', req_file): req_file = "frontend.html" path = os.path.join(os.path.dirname(__file__), 'www_static', req_file) inp = None try: inp = open(path, 'rb') do_gzip = 'gzip' in handler.headers.get('accept-encoding', '') handler.send_response(HTTP_OK) ctype = handler.guess_type(path) handler.send_header("Content-Type", ctype) # Add cache if not development if not handler.server.development: # 1 year in seconds cache_time = 365 * 86400 handler.send_header( "Cache-Control", "public, max-age={}".format(cache_time)) handler.send_header( "Expires", handler.date_time_string(time.time()+cache_time)) if do_gzip: gzip_data = gzip.compress(inp.read()) handler.send_header("Content-Encoding", "gzip") handler.send_header("Vary", "Accept-Encoding") handler.send_header("Content-Length", str(len(gzip_data))) else: fs = os.fstat(inp.fileno()) handler.send_header("Content-Length", str(fs[6])) handler.end_headers() if handler.command == 'HEAD': return elif do_gzip: handler.wfile.write(gzip_data) else: handler.copyfile(inp, handler.wfile) except IOError: handler.send_response(HTTP_NOT_FOUND) handler.end_headers() finally: if inp: inp.close()