bitburner-filesync/src/networking/messageHandler.ts
2022-10-10 00:33:37 +02:00

118 lines
3.6 KiB
TypeScript

import { messageTracker } from "./messageTracker";
import { Stats, writeFile } from "fs";
import { RawData } from "ws";
import { config } from "../config";
import { EventType } from "../eventTypes";
import { fileChangeEventToMsg, requestAllFiles } from "./messageGenerators";
import type { Signal } from "signal-js";
import { FileContent, Message } from "../interfaces";
/*function deserialize(data: RawData): Message {
const msg = JSON.parse(data.toString());
if (typeof msg.jsonrpc !== "string" || msg.jsonrpc !== "2.0" || typeof msg.id !== "number") {
throw Error("Malformed data received.");
}
const id: number = msg.id;
let request = messageTracker.get(id);
console.log(msg);
if (msg.error != null) {
throw Error(msg.error);
} else if (msg.result == null) {
throw Error("Malformed JSON received.");
}
return { jsonrpc: "2.0", method: !request? msg.method : request.method, result: msg.result, id };
}*/
function deserialize(data: RawData): Message {
const msg = JSON.parse(data.toString());
if (typeof msg.jsonrpc !== "string" || msg.jsonrpc !== "2.0" || typeof msg.id !== "number") {
throw Error("Malformed data received.");
}
const id: number = msg.id;
const request = id === Number.MAX_SAFE_INTEGER ? { method: msg.method } : messageTracker.get(id);
console.log("M:", msg);
console.log("R:", request);
if (msg.error != null) {
throw Error(msg.error);
}
return { jsonrpc: "2.0", method: request?.method, result: msg.result, id };
}
export function isStringArray(s: Array<unknown>): s is string[] {
return s.every((s) => typeof s === "string");
}
export function isFileContentArray(a: Array<unknown>): a is FileContent[] {
return a.every((f) => !!f && Object.hasOwn(f, "filename") && Object.hasOwn(f, "content"));
}
export function messageHandler(signaller: Signal, data: RawData, paths: Map<string, Stats>) {
let incoming;
try {
incoming = deserialize(data);
} catch (err) {
if (err instanceof Error) return console.log(err.message);
else throw err;
}
switch (incoming.method) {
case "getDefinitionFile":
if (typeof incoming.result !== "string") return console.log("Malformed data received.");
writeFile(config.get("definitionFile").location, incoming.result, (err) => {
if (err) return console.log(err);
});
break;
case "getFileNames":
if (!Array.isArray(incoming.result) || !isStringArray(incoming.result))
return console.log("Malformed data received.");
const gameFiles = incoming.result.map((file: string) => removeLeadingSlash(file));
paths.forEach((stats, fileName) => {
if (!stats.isDirectory() && !gameFiles.includes(fileName))
signaller.emit(EventType.MessageSend, fileChangeEventToMsg({ path: fileName }));
});
break;
case "getAllFiles":
if (!Array.isArray(incoming.result) || !isFileContentArray(incoming.result))
return console.log("Malformed data received.");
const gameFiles2 = incoming.result.map((f: FileContent) => {
return { filename: removeLeadingSlash(f.filename), content: f.content };
});
gameFiles2.forEach((f) => console.log(f));
break;
case "manualPullFromGame":
console.log("PULL");
signaller.emit(EventType.MessageSend, requestAllFiles());
break;
case "manualPushToGame":
console.log("PUSH");
paths.forEach((stats, fileName) => {
if (!stats.isDirectory()) signaller.emit(EventType.MessageSend, fileChangeEventToMsg({ path: fileName }));
});
break;
}
}
function removeLeadingSlash(path: string) {
const reg = /^\//;
return path.replace(reg, "");
}