93 lines
3.0 KiB
TypeScript
93 lines
3.0 KiB
TypeScript
import { decodeWithPassword, encodeWithPassword } from "@/app/workers/crypto/crypto";
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import { useFileStorage } from "@/app/hooks/useFileStorage";
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import { generateRandomKey } from "@/app/utils/utils";
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import { createContext, useEffect, useState } from "react";
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import { useCore } from "@/app/hooks/useCore";
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interface SystemProviderContextValue {
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id: string;
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name: string;
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os: string;
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}
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export const SystemProviderContext = createContext<SystemProviderContextValue|null>(null);
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export interface SystemProviderProps {
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children?: React.ReactNode;
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}
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/**
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* Предоставляет информацию о системе и обезличенный
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* идентификатор устройства.
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*/
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export function SystemProvider(props: SystemProviderProps) {
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const [deviceId, setDeviceId] = useState<string>("");
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const [deviceName, setDeviceName] = useState<string>("");
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const [deviceOs, setDeviceOs] = useState<string>("");
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const {writeFile, readFile} = useFileStorage();
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const { getDeviceId, getDeviceName, getPlatform } = useCore();
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useEffect(() => {
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fetchDeviceId();
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}, []);
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const fetchDeviceId = async () => {
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const device = await readFile("device");
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const name = await getDeviceName();
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const platform = await getPlatform();
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setDeviceName(name);
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setDeviceOs(platform);
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if(device){
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const decoded = await decodeDevice(Buffer.from(device).toString('utf-8'));
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if(decoded){
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setDeviceId(decoded);
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return;
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}
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}
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await createDeviceId();
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}
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const createDeviceId = async () => {
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const newDevice = generateRandomKey(128);
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const encoded = await encodeDevice(newDevice);
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await writeFile("device", encoded);
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setDeviceId(newDevice);
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}
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const decodeDevice = async (data: string) => {
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const hwid = await getDeviceId();
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const deviceName = await getDeviceName();
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const salt = "rosetta-device-salt";
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try {
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const decoded = await decodeWithPassword(hwid + deviceName + salt, data);
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return decoded;
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} catch (e) {
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console.error("Failed to decode device data:", e);
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return null;
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}
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}
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const encodeDevice = async (data: string) => {
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const hwid = await getDeviceId();
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const deviceName = await getDeviceName();
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const salt = "rosetta-device-salt";
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try {
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const encoded = await encodeWithPassword(hwid + deviceName + salt, data);
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return encoded;
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} catch (e) {
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console.error("Failed to encode device data:", e);
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return null;
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}
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}
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return (
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<SystemProviderContext.Provider value={{
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id: deviceId,
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name: deviceName || "Unknown Device",
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os: deviceOs || "Unknown OS"
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}}>
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{props.children}
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</SystemProviderContext.Provider>
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);
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} |