Refactor http into frontend and api component

2015-01-29 23:56:04 -08:00 · 2015-01-29 23:56:04 -08:00 · 8feeafd8a3
commit 8feeafd8a3
parent c2cd181c1a
767 changed files with 110228 additions and 528 deletions
--- a/homeassistant/components/frontend/init.py
+++ b/homeassistant/components/frontend/init.py
@ -0,0 +1,142 @@
+import re
+import os
+import time
+import gzip
+
+from homeassistant.components.http 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<file>[a-zA-Z\._\-0-9/]+)'),
+        _handle_get_static, False)
+    hass.http.register_path(
+        'HEAD', re.compile(r'/static/(?P<file>[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(("<!doctype html>"
+           "<html>"
+           "<head><title>Home Assistant</title>"
+           "<meta name='mobile-web-app-capable' content='yes'>"
+           "<link rel='shortcut icon' href='/static/favicon.ico' />"
+           "<link rel='icon' type='image/png' "
+           "     href='/static/favicon-192x192.png' sizes='192x192'>"
+           "<meta name='viewport' content='width=device-width, "
+           "      user-scalable=no, initial-scale=1.0, "
+           "      minimum-scale=1.0, maximum-scale=1.0' />"
+           "<meta name='theme-color' content='#03a9f4'>"
+           "</head>"
+           "<body fullbleed>"
+           "<h3 id='init' align='center'>Initializing Home Assistant</h3>"
+           "<script"
+           "     src='/static/webcomponents.min.js'></script>"
+           "<link rel='import' href='/static/{}' />"
+           "<splash-login auth='{}'></splash-login>"
+           "</body></html>").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()