859 lines
38 KiB
TypeScript
859 lines
38 KiB
TypeScript
import * as Comlink from 'comlink';
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import {
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ApiReturn, Device, HandshakeMessage, Member, MerkleProofResult,
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OutPointProcessMap, Process, ProcessState, RoleDefinition, SecretsStore, UserDiff
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} from '../../pkg/sdk_client';
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import Database from '../services/database.service';
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import { storeData, retrieveData } from '../services/storage.service';
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import { BackUp } from '../types/index';
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import { APP_CONFIG } from '../config/constants';
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import { splitPrivateData } from '../utils/service.utils';
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// Services internes au worker
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import { SdkService } from '../services/core/sdk.service';
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import { WalletService } from '../services/domain/wallet.service';
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import { ProcessService } from '../services/domain/process.service';
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import { CryptoService } from '../services/domain/crypto.service';
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export class CoreBackend {
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// Services
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private sdkService: SdkService;
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private walletService!: WalletService;
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private processService!: ProcessService;
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private cryptoService: CryptoService;
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private db!: Database;
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// État (State)
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private processId: string | null = null;
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private stateId: string | null = null;
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private membersList: Record<string, Member> = {};
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private notifications: any[] | null = null;
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private currentBlockHeight: number = -1;
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private pendingKeyRequests: Map<string, (key: string) => void> = new Map();
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// Flags publics (State)
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public device1: boolean = false;
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public device2Ready: boolean = false;
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private isInitialized = false;
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// Callbacks vers le Main Thread
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private notifier: ((event: string, data?: any) => void) | null = null;
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private networkSender: ((flag: string, content: string) => void) | null = null;
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private relayUpdater: ((url: string, sp: string) => void) | null = null;
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private relayGetter: (() => Promise<string>) | null = null;
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constructor() {
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this.sdkService = new SdkService();
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this.cryptoService = new CryptoService(this.sdkService);
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// Initialisation temporaire
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this.walletService = new WalletService(this.sdkService, null as any);
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this.processService = new ProcessService(this.sdkService, null as any);
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}
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public async init(): Promise<void> {
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if (this.isInitialized) return;
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console.log('[CoreWorker] ⚙️ Initialisation du Backend...');
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await this.sdkService.init(); // Charge le WASM
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this.db = await Database.getInstance(); // Lance le Database Worker
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this.walletService = new WalletService(this.sdkService, this.db);
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this.processService = new ProcessService(this.sdkService, this.db);
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this.notifications = this.getNotifications();
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this.isInitialized = true;
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console.log('[CoreWorker] ✅ Backend prêt.');
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}
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// --- CONFIGURATION DES CALLBACKS ---
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public setCallbacks(
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notifier: (event: string, data?: any) => void,
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networkSender: (flag: string, content: string) => void,
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relayUpdater: (url: string, sp: string) => void,
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relayGetter: () => Promise<string>
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) {
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this.notifier = notifier;
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this.networkSender = networkSender;
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this.relayUpdater = relayUpdater;
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this.relayGetter = relayGetter;
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}
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// ==========================================
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// GETTERS & SETTERS (STATE)
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// ==========================================
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public setProcessId(id: string | null) { this.processId = id; }
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public setStateId(id: string | null) { this.stateId = id; }
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public getProcessId() { return this.processId; }
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public getStateId() { return this.stateId; }
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public getDevice1() { return this.device1; } // Ajouté
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public getDevice2Ready() { return this.device2Ready; } // Ajouté
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public resetState() {
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this.device1 = false;
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this.device2Ready = false;
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}
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// ==========================================
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// WALLET PROXY
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// ==========================================
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public isPaired() { return this.walletService.isPaired(); }
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public getAmount() { return this.walletService.getAmount(); }
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public getDeviceAddress() { return this.walletService.getDeviceAddress(); }
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public dumpDeviceFromMemory() { return this.walletService.dumpDeviceFromMemory(); }
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public dumpNeuteredDevice() { return this.walletService.dumpNeuteredDevice(); }
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public getPairingProcessId() { return this.walletService.getPairingProcessId(); }
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public async getDeviceFromDatabase() { return this.walletService.getDeviceFromDatabase(); }
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public restoreDevice(d: Device) { this.walletService.restoreDevice(d); }
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public pairDevice(pid: string, list: string[]) { this.walletService.pairDevice(pid, list); }
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public async unpairDevice() { await this.walletService.unpairDevice(); }
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public async saveDeviceInDatabase(d: Device) { await this.walletService.saveDeviceInDatabase(d); }
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public async createNewDevice() {
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return this.walletService.createNewDevice(this.currentBlockHeight > 0 ? this.currentBlockHeight : 0);
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}
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public async dumpWallet() { return this.walletService.dumpWallet(); }
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public async getMemberFromDevice() { return this.walletService.getMemberFromDevice(); }
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// ==========================================
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// PROCESS PROXY
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// ==========================================
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public async getProcess(id: string) { return this.processService.getProcess(id); }
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public async getProcesses() { return this.processService.getProcesses(); }
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public async restoreProcessesFromDB() { await this.processService.getProcesses(); }
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public getLastCommitedState(p: Process) { return this.processService.getLastCommitedState(p); }
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public getUncommitedStates(p: Process) { return this.processService.getUncommitedStates(p); }
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public getStateFromId(p: Process, id: string) { return this.processService.getStateFromId(p, id); }
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public getRoles(p: Process) { return this.processService.getRoles(p); }
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public getLastCommitedStateIndex(p: Process) { return this.processService.getLastCommitedStateIndex(p); }
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public async batchSaveProcessesToDb(p: Record<string, Process>) { return this.processService.batchSaveProcesses(p); }
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// ==========================================
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// CRYPTO HELPERS
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// ==========================================
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public decodeValue(val: number[]) { return this.sdkService.decodeValue(val); }
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public hexToBlob(hex: string) { return this.cryptoService.hexToBlob(hex); }
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public hexToUInt8Array(hex: string) { return this.cryptoService.hexToUInt8Array(hex); }
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public async blobToHex(blob: Blob) { return this.cryptoService.blobToHex(blob); }
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public getHashForFile(c: string, l: string, f: any) { return this.cryptoService.getHashForFile(c, l, f); }
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public getMerkleProofForFile(s: ProcessState, a: string) { return this.cryptoService.getMerkleProofForFile(s, a); }
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public validateMerkleProof(p: MerkleProofResult, h: string) { return this.cryptoService.validateMerkleProof(p, h); }
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private splitData(obj: Record<string, any>) { return this.cryptoService.splitData(obj); }
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// ==========================================
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// MEMBERS
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// ==========================================
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public getAllMembers() { return this.membersList; }
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public getAllMembersSorted() {
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return Object.fromEntries(Object.entries(this.membersList).sort(([keyA], [keyB]) => keyA.localeCompare(keyB)));
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}
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public async ensureMembersAvailable(): Promise<void> {
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if (Object.keys(this.membersList).length > 0) return;
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console.warn('[CoreWorker] Tentative de récupération des membres...');
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}
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public getAddressesForMemberId(memberId: string): string[] | null {
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if (!this.membersList[memberId]) return null;
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return this.membersList[memberId].sp_addresses;
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}
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public compareMembers(memberA: string[], memberB: string[]): boolean {
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if (!memberA || !memberB) return false;
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if (memberA.length !== memberB.length) return false;
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return memberA.every((item) => memberB.includes(item)) && memberB.every((item) => memberA.includes(item));
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}
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// ==========================================
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// UTILITAIRES DIVERS
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// ==========================================
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public createFaucetMessage() {
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return this.sdkService.getClient().create_faucet_msg();
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}
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public isChildRole(parent: any, child: any): boolean {
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try {
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this.sdkService.getClient().is_child_role(JSON.stringify(parent), JSON.stringify(child));
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return true;
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} catch (e) {
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console.error(e);
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return false;
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}
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}
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// ==========================================
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// LOGIQUE HANDSHAKE
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// ==========================================
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public async handleHandshakeMsg(url: string, parsedMsg: any) {
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try {
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const handshakeMsg: HandshakeMessage = JSON.parse(parsedMsg);
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if (handshakeMsg.sp_address && this.relayUpdater) {
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await this.relayUpdater(url, handshakeMsg.sp_address);
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}
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this.currentBlockHeight = handshakeMsg.chain_tip;
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if (!this.isPaired()) {
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console.log(`[CoreWorker] ⏳ Non pairé. Attente appairage...`);
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}
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this.updateDeviceBlockHeight();
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if (handshakeMsg.peers_list) {
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this.membersList = { ...this.membersList, ...handshakeMsg.peers_list as Record<string, Member> };
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}
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if (handshakeMsg.processes_list) {
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await this.syncProcessesFromHandshake(handshakeMsg.processes_list);
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}
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} catch (e) {
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console.error("Handshake Error", e);
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}
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}
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public async updateDeviceBlockHeight() {
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if (this.currentBlockHeight <= 0) return;
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const device = await this.walletService.getDeviceFromDatabase();
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if (!device) return;
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if (device.sp_wallet.birthday === 0) {
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device.sp_wallet.birthday = this.currentBlockHeight;
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device.sp_wallet.last_scan = this.currentBlockHeight;
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await this.walletService.saveDeviceInDatabase(device);
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this.walletService.restoreDevice(device);
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} else if (device.sp_wallet.last_scan < this.currentBlockHeight) {
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console.log(`[CoreWorker] Scan requis de ${device.sp_wallet.last_scan} à ${this.currentBlockHeight}`);
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try {
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await this.sdkService.getClient().scan_blocks(this.currentBlockHeight, APP_CONFIG.URLS.BLINDBIT);
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const updatedDevice = this.walletService.dumpDeviceFromMemory();
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await this.walletService.saveDeviceInDatabase(updatedDevice);
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} catch (e) {
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console.error('Scan error', e);
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}
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}
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}
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private async syncProcessesFromHandshake(newProcesses: OutPointProcessMap) {
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if (!newProcesses || Object.keys(newProcesses).length === 0) return;
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console.log(`[CoreWorker] Synchro ${Object.keys(newProcesses).length} processus...`);
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const toSave: Record<string, Process> = {};
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const currentProcesses = await this.getProcesses();
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if (Object.keys(currentProcesses).length === 0) {
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await this.processService.batchSaveProcesses(newProcesses);
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} else {
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for (const [processId, process] of Object.entries(newProcesses)) {
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const existing = currentProcesses[processId];
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if (existing) {
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let newStates: string[] = [];
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let newRoles: Record<string, RoleDefinition>[] = [];
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for (const state of process.states) {
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if (!state || !state.state_id) continue;
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if (state.state_id === APP_CONFIG.EMPTY_32_BYTES) {
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const existingTip = existing.states[existing.states.length - 1].commited_in;
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if (existingTip !== state.commited_in) {
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existing.states.pop();
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existing.states.push(state);
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toSave[processId] = existing;
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}
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} else if (!this.processService.getStateFromId(existing, state.state_id)) {
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const existingLast = existing.states.pop();
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if (existingLast) {
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existing.states.push(state);
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existing.states.push(existingLast);
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toSave[processId] = existing;
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if (this.rolesContainsUs(state.roles)) {
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newStates.push(state.state_id);
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newRoles.push(state.roles);
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}
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}
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} else {
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const existingState = this.processService.getStateFromId(existing, state.state_id);
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if (existingState && (!existingState.keys || Object.keys(existingState.keys).length === 0)) {
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if (this.rolesContainsUs(state.roles)) {
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newStates.push(state.state_id);
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newRoles.push(state.roles);
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}
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}
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}
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}
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if (newStates.length > 0) {
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await this.ensureConnections(existing);
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await this.requestDataFromPeers(processId, newStates, newRoles);
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}
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} else {
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toSave[processId] = process;
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}
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}
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if (Object.keys(toSave).length > 0) {
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await this.processService.batchSaveProcesses(toSave);
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}
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}
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if (this.notifier) this.notifier('processes-updated');
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}
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// ==========================================
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// LOGIQUE MÉTIER
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// ==========================================
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public async getMyProcesses(): Promise<string[] | null> {
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try {
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const pid = this.getPairingProcessId();
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return await this.processService.getMyProcesses(pid);
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} catch (e) {
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return null;
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}
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}
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public async ensureConnections(process: Process, stateId: string | null = null): Promise<void> {
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console.info(`[CoreWorker] 🔄 Check connexions (StateID: ${stateId || 'default'})`);
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if (!process) return;
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let state: ProcessState | null = null;
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if (stateId) state = this.processService.getStateFromId(process, stateId);
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if (!state && process.states.length >= 2) state = process.states[process.states.length - 2];
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if (!state) return;
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await this.ensureMembersAvailable();
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const members = new Set<Member>();
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if (state.roles) {
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for (const role of Object.values(state.roles)) {
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for (const memberId of role.members) {
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const addrs = this.getAddressesForMemberId(memberId);
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if (addrs) members.add({ sp_addresses: addrs });
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}
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}
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}
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if (members.size === 0) {
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let publicData: Record<string, any> | null = null;
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for (let i = process.states.length - 1; i >= 0; i--) {
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const s = process.states[i];
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if (s.public_data && s.public_data['pairedAddresses']) {
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publicData = s.public_data;
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break;
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}
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}
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if (publicData && publicData['pairedAddresses']) {
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const decoded = this.decodeValue(publicData['pairedAddresses']);
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if (decoded) members.add({ sp_addresses: decoded });
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}
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}
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if (members.size === 0) return;
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const unconnected = new Set<string>();
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const myAddress = this.getDeviceAddress();
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for (const member of Array.from(members)) {
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if (!member.sp_addresses) continue;
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for (const address of member.sp_addresses) {
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if (address === myAddress) continue;
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if ((await this.getSecretForAddress(address)) === null) unconnected.add(address);
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}
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}
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if (unconnected.size > 0) {
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console.log(`[CoreWorker] 📡 ${unconnected.size} non connectés. Connexion...`);
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await this.connectAddresses(Array.from(unconnected));
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}
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}
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public async connectAddresses(addresses: string[]): Promise<ApiReturn | null> {
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if (addresses.length === 0) return null;
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const feeRate = APP_CONFIG.FEE_RATE;
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try {
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return this.sdkService.getClient().create_transaction(addresses, feeRate);
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} catch (error: any) {
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if (String(error).includes('Insufficient funds')) {
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await this.getTokensFromFaucet();
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return this.sdkService.getClient().create_transaction(addresses, feeRate);
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} else {
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throw error;
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}
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}
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}
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private async getTokensFromFaucet(): Promise<void> {
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console.log('[CoreWorker] 🚰 Demande Faucet...');
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const availableAmt = this.getAmount();
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const target: BigInt = APP_CONFIG.DEFAULT_AMOUNT * BigInt(10);
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if (availableAmt < target) {
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const msg = this.sdkService.getClient().create_faucet_msg();
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if (this.networkSender) this.networkSender('Faucet', msg);
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let attempts = 3;
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while (attempts > 0) {
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if (this.getAmount() >= target) return;
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attempts--;
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await new Promise((r) => setTimeout(r, APP_CONFIG.TIMEOUTS.RETRY_DELAY));
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}
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throw new Error('Montant insuffisant après faucet');
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}
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}
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public async createPairingProcess(userName: string, pairWith: string[]): Promise<ApiReturn> {
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if (this.isPaired()) throw new Error('Déjà appairé');
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const myAddress = this.getDeviceAddress();
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pairWith.push(myAddress);
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const privateData = { description: 'pairing', counter: 0 };
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const publicData = { memberPublicName: userName, pairedAddresses: pairWith };
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const validation_fields = [...Object.keys(privateData), ...Object.keys(publicData), 'roles'];
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const roles = {
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pairing: {
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members: [],
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validation_rules: [{ quorum: 1.0, fields: validation_fields, min_sig_member: 1.0 }],
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storages: [APP_CONFIG.URLS.STORAGE],
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},
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};
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return this.createProcess(privateData, publicData, roles);
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}
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public async createProcess(privateData: any, publicData: any, roles: any, feeRate = APP_CONFIG.FEE_RATE): Promise<ApiReturn> {
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// Appel au main thread pour avoir l'adresse du relais
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const relay = this.relayGetter ? await this.relayGetter() : '';
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if (!relay) throw new Error("Aucun relais disponible");
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const { encodedPrivateData, encodedPublicData } = await this.prepareProcessData(privateData, publicData);
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const members = this.membersList;
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try {
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return await this.attemptCreateProcess(encodedPrivateData, roles, encodedPublicData, relay, feeRate, members);
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} catch (e: any) {
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if (String(e).includes('Insufficient funds')) {
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await this.getTokensFromFaucet();
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return await this.attemptCreateProcess(encodedPrivateData, roles, encodedPublicData, relay, feeRate, members);
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}
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throw e;
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}
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}
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private async attemptCreateProcess(priv: any, roles: any, pub: any, relay: string, fee: number, members: any): Promise<ApiReturn> {
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const res = this.sdkService.getClient().create_new_process(priv, roles, pub, relay, fee, members);
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if (res.updated_process) {
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await this.ensureConnections(res.updated_process.current_process);
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}
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return res;
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}
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public async updateProcess(processId: string, newData: any, privateFields: string[], roles: any): Promise<ApiReturn> {
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const process = await this.processService.getProcess(processId);
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if (!process) throw new Error('Process not found');
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let lastState = this.processService.getLastCommitedState(process);
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let currentProcess = process;
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if (!lastState) {
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const first = process.states[0];
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if (this.rolesContainsUs(first.roles)) {
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const appRes = await this.approveChange(processId, first.state_id);
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await this.handleApiReturn(appRes);
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const prdRes = await this.createPrdUpdate(processId, first.state_id);
|
|
await this.handleApiReturn(prdRes);
|
|
} else if (first.validation_tokens.length > 0) {
|
|
const res = await this.createPrdUpdate(processId, first.state_id);
|
|
await this.handleApiReturn(res);
|
|
}
|
|
const updated = await this.processService.getProcess(processId);
|
|
if (updated) currentProcess = updated;
|
|
lastState = this.processService.getLastCommitedState(currentProcess);
|
|
if (!lastState) throw new Error('Still no commited state');
|
|
}
|
|
|
|
const lastStateIndex = this.getLastCommitedStateIndex(currentProcess);
|
|
if (lastStateIndex === null) throw new Error('Index commited introuvable');
|
|
|
|
const privateData: any = {};
|
|
const publicData: any = {};
|
|
|
|
for (const field of Object.keys(newData)) {
|
|
if (lastState.public_data[field]) {
|
|
publicData[field] = newData[field];
|
|
continue;
|
|
}
|
|
if (privateFields.includes(field)) {
|
|
privateData[field] = newData[field];
|
|
continue;
|
|
}
|
|
let isPrivate = false;
|
|
for (let i = lastStateIndex; i >= 0; i--) {
|
|
if (currentProcess.states[i].pcd_commitment[field]) {
|
|
privateData[field] = newData[field];
|
|
isPrivate = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!isPrivate) publicData[field] = newData[field];
|
|
}
|
|
|
|
const finalRoles = roles || this.processService.getRoles(currentProcess);
|
|
const { encodedPrivateData, encodedPublicData } = await this.prepareProcessData(privateData, publicData);
|
|
|
|
const res = this.sdkService.getClient().update_process(currentProcess, encodedPrivateData, finalRoles, encodedPublicData, this.membersList);
|
|
if (res.updated_process) await this.ensureConnections(res.updated_process.current_process);
|
|
return res;
|
|
}
|
|
|
|
private async prepareProcessData(priv: any, pub: any) {
|
|
const p1 = this.splitData(priv);
|
|
const p2 = this.splitData(pub);
|
|
return {
|
|
encodedPrivateData: { ...this.sdkService.getClient().encode_json(p1.jsonCompatibleData), ...this.sdkService.getClient().encode_binary(p1.binaryData) },
|
|
encodedPublicData: { ...this.sdkService.getClient().encode_json(p2.jsonCompatibleData), ...this.sdkService.getClient().encode_binary(p2.binaryData) },
|
|
};
|
|
}
|
|
|
|
// ==========================================
|
|
// API METHODS (Actions)
|
|
// ==========================================
|
|
public async createPrdUpdate(pid: string, sid: string) {
|
|
const p = await this.getProcess(pid);
|
|
await this.ensureConnections(p!);
|
|
return this.sdkService.getClient().create_update_message(p, sid, this.membersList);
|
|
}
|
|
public async createPrdResponse(pid: string, sid: string) {
|
|
const p = await this.getProcess(pid);
|
|
return this.sdkService.getClient().create_response_prd(p, sid, this.membersList);
|
|
}
|
|
public async approveChange(pid: string, sid: string) {
|
|
const p = await this.getProcess(pid);
|
|
const res = this.sdkService.getClient().validate_state(p, sid, this.membersList);
|
|
if (res.updated_process) await this.ensureConnections(res.updated_process.current_process);
|
|
return res;
|
|
}
|
|
public async rejectChange(pid: string, sid: string) {
|
|
const p = await this.getProcess(pid);
|
|
return this.sdkService.getClient().refuse_state(p, sid);
|
|
}
|
|
public async requestDataFromPeers(pid: string, sids: string[], roles: any) {
|
|
const res = this.sdkService.getClient().request_data(pid, sids, roles, this.membersList);
|
|
await this.handleApiReturn(res);
|
|
}
|
|
|
|
public async resetDevice() {
|
|
this.sdkService.getClient().reset_device();
|
|
await this.db.clearMultipleStores(['wallet', 'shared_secrets', 'unconfirmed_secrets', 'processes', 'diffs']);
|
|
}
|
|
|
|
public async handleApiReturn(res: ApiReturn) {
|
|
if (!res || Object.keys(res).length === 0) return;
|
|
try {
|
|
const txData = (res.partial_tx ? await this.handlePartialTx(res.partial_tx) : null) || res.new_tx_to_send;
|
|
if (txData && txData.transaction.length != 0) {
|
|
if (this.networkSender) this.networkSender('NewTx', JSON.stringify(txData));
|
|
await new Promise((r) => setTimeout(r, APP_CONFIG.TIMEOUTS.API_DELAY));
|
|
}
|
|
if (res.secrets) await this.handleSecrets(res.secrets);
|
|
if (res.updated_process) await this.handleUpdatedProcess(res.updated_process);
|
|
if (res.push_to_storage) await this.handlePushToStorage(res.push_to_storage);
|
|
|
|
if (res.commit_to_send && this.networkSender) this.networkSender('Commit', JSON.stringify(res.commit_to_send));
|
|
if (res.ciphers_to_send && this.networkSender) for (const c of res.ciphers_to_send) this.networkSender('Cipher', c);
|
|
} catch (e) {
|
|
console.error('ApiReturn Error:', e);
|
|
}
|
|
}
|
|
|
|
private async handlePartialTx(partialTx: any): Promise<any> {
|
|
try {
|
|
return this.sdkService.getClient().sign_transaction(partialTx).new_tx_to_send;
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private async handleSecrets(secrets: any) {
|
|
const { unconfirmed_secrets, shared_secrets } = secrets;
|
|
const unconfirmedList = unconfirmed_secrets && unconfirmed_secrets.length > 0 ? unconfirmed_secrets : [];
|
|
const sharedList = shared_secrets && Object.keys(shared_secrets).length > 0
|
|
? Object.entries(shared_secrets).map(([key, value]) => ({ key, value }))
|
|
: [];
|
|
|
|
if (unconfirmedList.length > 0 || sharedList.length > 0) {
|
|
await this.db.saveSecretsBatch(unconfirmedList, sharedList);
|
|
}
|
|
}
|
|
|
|
private async handleUpdatedProcess(updated: any) {
|
|
const pid = updated.process_id;
|
|
if (updated.encrypted_data) {
|
|
for (const [h, c] of Object.entries(updated.encrypted_data as Record<string, string>)) await this.saveBlobToDb(h, this.hexToBlob(c));
|
|
}
|
|
await this.processService.saveProcessToDb(pid, updated.current_process);
|
|
if (updated.diffs) await this.saveDiffsToDb(updated.diffs);
|
|
|
|
this._resolvePendingKeyRequests(pid, updated.current_process);
|
|
// Notification UI
|
|
if (this.notifier) this.notifier('processes-updated');
|
|
}
|
|
|
|
public async saveDiffsToDb(diffs: UserDiff[]) {
|
|
await this.db.saveDiffs(diffs);
|
|
}
|
|
|
|
private _resolvePendingKeyRequests(processId: string, process: Process) {
|
|
if (this.pendingKeyRequests.size === 0) return;
|
|
for (const state of process.states) {
|
|
if (!state.keys) continue;
|
|
for (const [attr, key] of Object.entries(state.keys)) {
|
|
const rid = `${processId}_${state.state_id}_${attr}`;
|
|
if (this.pendingKeyRequests.has(rid)) {
|
|
this.pendingKeyRequests.get(rid)?.(key as string);
|
|
this.pendingKeyRequests.delete(rid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private async handlePushToStorage(hashes: string[]) {
|
|
for (const hash of hashes) {
|
|
try {
|
|
const blob = await this.getBlobFromDb(hash);
|
|
const diff = await this.getDiffByValue(hash);
|
|
if (blob && diff) await this.saveDataToStorage(diff.storages, hash, blob, null);
|
|
} catch (e) {
|
|
console.error('Push error', e);
|
|
}
|
|
}
|
|
}
|
|
|
|
public async handleCommitError(response: string) {
|
|
const content = JSON.parse(response);
|
|
const errorMsg = content.error['GenericError'];
|
|
if (!['State is identical to the previous state', 'Not enough valid proofs'].includes(errorMsg)) {
|
|
// Retry via network callback
|
|
if (this.networkSender) {
|
|
setTimeout(() => this.networkSender!('Commit', JSON.stringify(content)), APP_CONFIG.TIMEOUTS.RETRY_DELAY);
|
|
}
|
|
}
|
|
}
|
|
|
|
public rolesContainsUs(roles: any) {
|
|
return this.processService.rolesContainsMember(roles, this.getPairingProcessId());
|
|
}
|
|
|
|
public async getSecretForAddress(address: string): Promise<string | null> {
|
|
return await this.db.getSharedSecret(address);
|
|
}
|
|
|
|
public async getAllDiffs(): Promise<Record<string, UserDiff>> {
|
|
return await this.db.getAllDiffs();
|
|
}
|
|
|
|
public async getDiffByValue(value: string): Promise<UserDiff | null> {
|
|
return await this.db.getDiff(value);
|
|
}
|
|
|
|
public async getAllSecrets(): Promise<SecretsStore> {
|
|
return await this.db.getAllSecrets();
|
|
}
|
|
|
|
// ==========================================
|
|
// STORAGE & DB
|
|
// ==========================================
|
|
public async saveBlobToDb(h: string, d: Blob) {
|
|
await this.db.saveBlob(h, d);
|
|
}
|
|
public async getBlobFromDb(h: string) {
|
|
return await this.db.getBlob(h);
|
|
}
|
|
public async fetchValueFromStorage(h: string) {
|
|
return retrieveData([APP_CONFIG.URLS.STORAGE], h);
|
|
}
|
|
public async saveDataToStorage(s: string[], h: string, d: Blob, ttl: number | null) {
|
|
return storeData(s, h, d, ttl);
|
|
}
|
|
|
|
// ==========================================
|
|
// HELPERS
|
|
// ==========================================
|
|
public getProcessName(p: Process) {
|
|
const pub = this.getPublicData(p);
|
|
if (pub && pub['processName']) return this.decodeValue(pub['processName']);
|
|
return null;
|
|
}
|
|
public getPublicData(p: Process) {
|
|
const last = this.getLastCommitedState(p);
|
|
return last ? last.public_data : p.states[0]?.public_data || null;
|
|
}
|
|
public updateMemberPublicName(pid: string, name: string) {
|
|
return this.updateProcess(pid, { memberPublicName: name }, [], null);
|
|
}
|
|
|
|
// ==========================================
|
|
// UI HELPERS
|
|
// ==========================================
|
|
public getNotifications() {
|
|
return this.notifications;
|
|
}
|
|
public setNotifications(n: any[]) {
|
|
this.notifications = n;
|
|
}
|
|
|
|
// ==========================================
|
|
// PARSING & RESEAU ENTRANT
|
|
// ==========================================
|
|
async parseCipher(msg: string) {
|
|
try {
|
|
const res = this.sdkService.getClient().parse_cipher(msg, this.membersList, await this.getProcesses());
|
|
await this.handleApiReturn(res);
|
|
} catch (e) {
|
|
console.error('Cipher Error', e);
|
|
}
|
|
}
|
|
|
|
async parseNewTx(msg: string) {
|
|
const parsed = JSON.parse(msg);
|
|
if (parsed.error) return;
|
|
|
|
const prevouts = this.sdkService.getClient().get_prevouts(parsed.transaction);
|
|
for (const p of Object.values(await this.getProcesses())) {
|
|
const tip = p.states[p.states.length - 1].commited_in;
|
|
if (prevouts.includes(tip)) {
|
|
const newTip = this.sdkService.getClient().get_txid(parsed.transaction);
|
|
const newStateId = this.sdkService.getClient().get_opreturn(parsed.transaction);
|
|
this.sdkService.getClient().process_commit_new_state(p, newStateId, newTip);
|
|
break;
|
|
}
|
|
}
|
|
|
|
try {
|
|
const res = this.sdkService.getClient().parse_new_tx(msg, 0, this.membersList);
|
|
if (res && (res.partial_tx || res.new_tx_to_send || res.secrets || res.updated_process)) {
|
|
await this.handleApiReturn(res);
|
|
const d = this.dumpDeviceFromMemory();
|
|
const old = await this.getDeviceFromDatabase();
|
|
if (old && old.pairing_process_commitment) d.pairing_process_commitment = old.pairing_process_commitment;
|
|
await this.saveDeviceInDatabase(d);
|
|
}
|
|
} catch (e) { }
|
|
}
|
|
|
|
// ==========================================
|
|
// BACKUP & RESTORE
|
|
// ==========================================
|
|
public async importJSON(backup: BackUp) {
|
|
await this.resetDevice();
|
|
await this.walletService.saveDeviceInDatabase(backup.device);
|
|
this.walletService.restoreDevice(backup.device);
|
|
await this.processService.batchSaveProcesses(backup.processes);
|
|
await this.restoreSecretsFromBackUp(backup.secrets);
|
|
}
|
|
public async restoreSecretsFromBackUp(secretsStore: SecretsStore) {
|
|
const sharedList = Object.entries(secretsStore.shared_secrets).map(([key, value]) => ({ key, value }));
|
|
await this.db.saveSecretsBatch(secretsStore.unconfirmed_secrets, sharedList);
|
|
await this.restoreSecretsFromDB();
|
|
}
|
|
public async restoreSecretsFromDB() {
|
|
const secretsStore = await this.db.getAllSecrets();
|
|
this.sdkService.getClient().set_shared_secrets(JSON.stringify(secretsStore));
|
|
console.log("[CoreWorker] 🔐 Secrets restaurés depuis la DB");
|
|
}
|
|
public async createBackUp() {
|
|
const device = await this.walletService.getDeviceFromDatabase();
|
|
if (!device) return null;
|
|
return { device, processes: await this.processService.getProcesses(), secrets: await this.getAllSecrets() };
|
|
}
|
|
|
|
// ==========================================
|
|
// DECRYPT ATTRIBUTE
|
|
// ==========================================
|
|
public async decryptAttribute(processId: string, state: ProcessState, attribute: string): Promise<any | null> {
|
|
console.groupCollapsed(`[CoreWorker] 🔑 Déchiffrement de '${attribute}' (Process: ${processId})`);
|
|
|
|
try {
|
|
let hash: string | null | undefined = state.pcd_commitment[attribute];
|
|
let key: string | null | undefined = state.keys[attribute];
|
|
const pairingProcessId = this.getPairingProcessId();
|
|
|
|
if (!hash) {
|
|
console.warn(`⚠️ L'attribut n'existe pas (pas de hash).`);
|
|
return null;
|
|
}
|
|
|
|
if (!key) {
|
|
if (!this._checkAccess(state, attribute, pairingProcessId)) {
|
|
console.log(`⛔ Accès non autorisé. Abandon.`);
|
|
return null;
|
|
}
|
|
const result = await this._fetchMissingKey(processId, state, attribute);
|
|
hash = result.hash;
|
|
key = result.key;
|
|
}
|
|
|
|
if (hash && key) {
|
|
const blob = await this.getBlobFromDb(hash);
|
|
if (!blob) {
|
|
console.error(`💥 Échec: Blob non trouvé en BDD pour le hash ${hash}`);
|
|
return null;
|
|
}
|
|
|
|
try {
|
|
const buf = await blob.arrayBuffer();
|
|
const cipher = new Uint8Array(buf);
|
|
const keyUIntArray = this.hexToUInt8Array(key);
|
|
|
|
const clear = this.sdkService.getClient().decrypt_data(keyUIntArray, cipher);
|
|
if (!clear) throw new Error('decrypt_data returned null');
|
|
|
|
const decoded = this.sdkService.getClient().decode_value(clear);
|
|
console.log(`✅ Attribut '${attribute}' déchiffré avec succès.`);
|
|
return decoded;
|
|
} catch (e) {
|
|
console.error(`💥 Échec du déchiffrement: ${e}`);
|
|
return null;
|
|
}
|
|
}
|
|
return null;
|
|
} catch (error) {
|
|
console.error(`💥 Erreur:`, error);
|
|
return null;
|
|
} finally {
|
|
console.groupEnd();
|
|
}
|
|
}
|
|
|
|
private _checkAccess(state: ProcessState, attribute: string, pairingProcessId: string): boolean {
|
|
const roles = state.roles;
|
|
return Object.values(roles).some((role) => {
|
|
const isMember = role.members.includes(pairingProcessId);
|
|
if (!isMember) return false;
|
|
return Object.values(role.validation_rules).some((rule) => rule.fields.includes(attribute));
|
|
});
|
|
}
|
|
|
|
private async _fetchMissingKey(processId: string, state: ProcessState, attribute: string): Promise<{ hash: string | null; key: string | null }> {
|
|
try {
|
|
const process = await this.getProcess(processId);
|
|
if (!process) return { hash: null, key: null };
|
|
|
|
await this.ensureConnections(process);
|
|
await this.requestDataFromPeers(processId, [state.state_id], [state.roles]);
|
|
|
|
const requestId = `${processId}_${state.state_id}_${attribute}`;
|
|
const keyRequestPromise = new Promise<string>((resolve, reject) => {
|
|
const timeout = setTimeout(() => {
|
|
this.pendingKeyRequests.delete(requestId);
|
|
reject(new Error(`Timeout waiting for key: ${attribute}`));
|
|
}, APP_CONFIG.TIMEOUTS.KEY_REQUEST);
|
|
|
|
this.pendingKeyRequests.set(requestId, (key: string) => {
|
|
clearTimeout(timeout);
|
|
resolve(key);
|
|
});
|
|
});
|
|
|
|
const receivedKey = await keyRequestPromise;
|
|
const updatedProcess = await this.getProcess(processId);
|
|
if (!updatedProcess) return { hash: null, key: null };
|
|
|
|
const updatedState = this.getStateFromId(updatedProcess, state.state_id);
|
|
const updatedHash = updatedState ? updatedState.pcd_commitment[attribute] : state.pcd_commitment[attribute];
|
|
|
|
return { hash: updatedHash, key: receivedKey };
|
|
} catch (e) {
|
|
return { hash: null, key: null };
|
|
}
|
|
}
|
|
}
|
|
|
|
Comlink.expose(new CoreBackend()); |