More work on bridging, first WIP Web backend

LibWinDog/Platforms/Web/Web.py

@@ -0,0 +1,86 @@
+# ================================== #
+# WinDog multi-purpose chatbot       #
+# Licensed under AGPLv3 by OctoSpacc #
+# ================================== #
+
+""" # windog config start # """
+
+WebConfig = {
+	"host": ("0.0.0.0", 30264),
+	"url": "https://windog.octt.eu.org",
+}
+
+""" # end windog config # """
+
+import queue
+from http.server import BaseHTTPRequestHandler
+from LibWinDog.Platforms.Web.multithread_http_server import MultiThreadHttpServer
+
+WebQueues = {}
+
+default_css = """<style>
+	* { box-sizing: border-box; }
+	iframe { width: 100%; height: 3em; top: 0; position: sticky; }
+	textarea { width: calc(100% - 3em); height: 2em; }
+	input { width: 2em; }
+	</style>"""
+
+class WebServerClass(BaseHTTPRequestHandler):
+	def do_GET(self):
+		if self.path == '/':
+			uuid = str(time.time())
+			WebQueues[uuid] = queue.Queue()
+			self.send_response(302)
+			self.send_header("Location", f"/{uuid}")
+			self.end_headers()
+			return
+		uuid = self.path.split('/')[-1]
+		if self.path.startswith("/form/"):
+			self.send_response(200)
+			self.send_header("Content-Type", "text/html; charset=UTF-8")
+			self.end_headers()
+			self.wfile.write(f'{default_css}<form method="POST" action="/form/{uuid}"><textarea name="text"></textarea><input type="submit" value="📤️"/></form>'.encode())
+			return
+		self.send_response(200)
+		self.send_header("Content-Type", "text/html; charset=UTF-8")
+		self.send_header("Content-Encoding", "chunked")
+		self.end_headers()
+		self.wfile.write(f'{default_css}<h3><a href="/">WinDog</a></h3><iframe src="/form/{uuid}"></iframe>'.encode())
+		while True: # this apparently makes us lose threads and the web bot becomes unusable, we should handle dropped connections
+			try:
+				self.wfile.write(("<p>" + WebQueues[uuid].get(block=False).text_html + "</p>").encode())
+			except queue.Empty:
+				time.sleep(0.01)
+
+	def do_POST(self):
+		uuid = self.path.split('/')[-1]
+		text = urlparse.unquote_plus(self.rfile.read(int(self.headers["Content-Length"])).decode().split('=')[1])
+		self.send_response(302)
+		self.send_header("Location", f"/form/{uuid}")
+		self.end_headers()
+		data = WebMakeInputMessageData(text, uuid)
+		OnMessageParsed(data)
+		if (command := ObjGet(data, "command.name")):
+			CallEndpoint(command, EventContext(platform="web", event=SafeNamespace(room_id=uuid)), data)
+
+def WebMakeInputMessageData(text:str, uuid:str) -> InputMessageData:
+	return InputMessageData(
+		text_plain = text,
+		command = ParseCommand(text),
+		room = SafeNamespace(
+			id = f"web:{uuid}",
+		),
+		user = SafeNamespace(
+			settings = SafeNamespace(),
+		),
+	)
+
+def WebMain() -> None:
+	server = MultiThreadHttpServer(WebConfig["host"], 32, WebServerClass)
+	server.start(background=True)
+
+def WebSender(context:EventContext, data:OutputMessageData) -> None:
+	WebQueues[context.event.room_id].put(data)
+
+RegisterPlatform(name="Web", main=WebMain, sender=WebSender)
+