88 lines
3.5 KiB
Python
88 lines
3.5 KiB
Python
import os
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import mimetypes
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from datetime import datetime
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from owrx.websocket import WebSocketConnection
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from owrx.config import PropertyManager
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from owrx.source import ClientRegistry
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from owrx.connection import WebSocketMessageHandler
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from owrx.version import openwebrx_version
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import logging
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logger = logging.getLogger(__name__)
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class Controller(object):
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def __init__(self, handler, matches):
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self.handler = handler
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self.matches = matches
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def send_response(self, content, code = 200, content_type = "text/html", last_modified: datetime = None, max_age = None):
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self.handler.send_response(code)
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if content_type is not None:
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self.handler.send_header("Content-Type", content_type)
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if last_modified is not None:
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self.handler.send_header("Last-Modified", last_modified.strftime("%a, %d %b %Y %H:%M:%S GMT"))
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if max_age is not None:
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self.handler.send_header("Cache-Control", "max-age: {0}".format(max_age))
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self.handler.end_headers()
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if (type(content) == str):
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content = content.encode()
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self.handler.wfile.write(content)
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def render_template(self, template, **variables):
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f = open('htdocs/' + template)
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data = f.read()
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f.close()
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self.send_response(data)
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class StatusController(Controller):
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def handle_request(self):
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pm = PropertyManager.getSharedInstance()
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# TODO keys that have been left out since they are no longer simple strings: sdr_hw, bands, antenna
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vars = {
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"status": "active",
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"name": pm["receiver_name"],
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"op_email": pm["receiver_admin"],
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"users": ClientRegistry.getSharedInstance().clientCount(),
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"users_max": pm["max_clients"],
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"gps": pm["receiver_gps"],
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"asl": pm["receiver_asl"],
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"loc": pm["receiver_location"],
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"sw_version": openwebrx_version,
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"avatar_ctime": os.path.getctime("htdocs/gfx/openwebrx-avatar.png")
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}
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self.send_response("\n".join(["{key}={value}".format(key = key, value = value) for key, value in vars.items()]))
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class AssetsController(Controller):
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def serve_file(self, file, content_type = None):
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try:
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modified = datetime.fromtimestamp(os.path.getmtime('htdocs/' + file))
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if "If-Modified-Since" in self.handler.headers:
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client_modified = datetime.strptime(self.handler.headers["If-Modified-Since"], "%a, %d %b %Y %H:%M:%S %Z")
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if modified <= client_modified:
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self.send_response("", code = 304)
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return
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f = open('htdocs/' + file, 'rb')
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data = f.read()
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f.close()
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if content_type is None:
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(content_type, encoding) = mimetypes.MimeTypes().guess_type(file)
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self.send_response(data, content_type = content_type, last_modified = modified, max_age = 3600)
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except FileNotFoundError:
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self.send_response("file not found", code = 404)
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def handle_request(self):
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filename = self.matches.group(1)
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self.serve_file(filename)
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class IndexController(AssetsController):
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def handle_request(self):
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self.serve_file("index.html", content_type = "text/html")
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class WebSocketController(Controller):
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def handle_request(self):
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conn = WebSocketConnection(self.handler, WebSocketMessageHandler())
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conn.send("CLIENT DE SERVER openwebrx.py")
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# enter read loop
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conn.read_loop()
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