65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
const { Server } = require("socket.io");
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const http = require("node:http");
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const { get_conf, get_redis_subscriber } = require("../node_utils");
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const conf = get_conf();
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const server = http.createServer();
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let io = new Server(server, {
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cors: {
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// Should be fine since we are ensuring whether hostname and origin are same before adding setting listeners for s socket
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origin: true,
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credentials: true,
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},
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cleanupEmptyChildNamespaces: true,
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});
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// Multitenancy implementation.
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// allow arbitrary sitename as namespaces
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// namespaces get validated during authentication.
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const realtime = io.of(/^\/.*$/);
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// load and register middlewares
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const authenticate = require("./middlewares/authenticate");
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realtime.use(authenticate);
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// =======================
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// load and register handlers
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const frappe_handlers = require("./handlers/frappe_handlers");
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function on_connection(socket) {
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frappe_handlers(realtime, socket);
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// ESBUild "open in editor" on error
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socket.on("open_in_editor", async (data) => {
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await subscriber.connect();
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subscriber.publish("open_in_editor", JSON.stringify(data));
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});
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}
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realtime.on("connection", on_connection);
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// =======================
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// Consume events sent from python via redis pub-sub channel.
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const subscriber = get_redis_subscriber();
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(async () => {
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await subscriber.connect();
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subscriber.subscribe("events", (message) => {
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message = JSON.parse(message);
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let namespace = "/" + message.namespace;
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if (message.room) {
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io.of(namespace).to(message.room).emit(message.event, message.message);
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} else {
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// publish to ALL sites only used for things like build event.
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realtime.emit(message.event, message.message);
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}
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});
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})();
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// =======================
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let uds = conf.socketio_uds;
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let port = conf.socketio_port;
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server.listen(uds || port, () => {
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console.log("Realtime service listening on: ", uds || port);
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});
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