78 lines
1.9 KiB
JavaScript
78 lines
1.9 KiB
JavaScript
#!/usr/bin/env node
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const log = require("./log.js").log;
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const Queue = require("./queue").Queue;
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function escape(str) {
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return str.replace(/(['"\\])/g, "\\$1");
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}
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function initConnection(request, passwords = {}) {
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let ws = request.accept();
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log("ws connection accepted from origin", request.origin);
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let parts = (request.resourceURL.query.server || "").split(":");
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let host = parts[0] || "localhost";
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let port = Number(parts[1]) || 6600;
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log(`connecting to mpd at ${host}:${port}`);
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let mpd = new (require("net").Socket)();
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mpd.setTimeout(0);
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mpd.connect(port, host);
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// data coming from the response parser
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let queue = new Queue(mpd);
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queue.on("response", data => {
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log("ws <--", data);
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ws.send(JSON.stringify(data));
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});
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let password = passwords[`${host}:${port}`];
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password && queue.add(`password "${escape(password)}"`);
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// data going into the response parser
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ws.on("message", message => {
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log("ws -->", message.utf8Data);
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queue.add(message.utf8Data);
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});
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// client closes
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ws.on("close", (reasonCode, description) => {
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log(`ws ${ws.remoteAddress} disconnected`);
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mpd.end();
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});
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// server closes
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mpd.on("close", () => {
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log("mpd disconnected");
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ws.close();
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});
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// fail to conect
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mpd.on("error", () => {
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log("mpd connection error");
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ws.close();
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});
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}
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exports.logging = function(enabled) {
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log.enabled = enabled;
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}
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exports.ws2mpd = function(httpServer, requestValidator, passwords) {
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function ready() { log("ws2mpd attached to a http server", httpServer.address()); }
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(httpServer.listening ? ready() : httpServer.on("listening", ready));
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let wsServer = new (require("websocket").server)({
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httpServer,
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autoAcceptConnections: false
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});
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wsServer.on("request", request => {
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if (requestValidator && !requestValidator(request)) {
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log("rejecting connection from origin", request.origin);
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return request.reject();
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}
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initConnection(request, passwords);
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});
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}
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