From 4c08c96b5a95fa80f1b2ae5dd182b11637fa34f8 Mon Sep 17 00:00:00 2001 From: Alex Ant Date: Fri, 13 Feb 2026 00:21:33 +0500 Subject: [PATCH] initialization --- .env.example | 18 + .gitignore | 4 + Dockerfile | 24 + package.json | 23 + pnpm-lock.yaml | 971 +++++++++++++++++++++++++++++++++++++++++ src/config.ts | 49 +++ src/coop-registry.ts | 131 ++++++ src/fan-out.ts | 89 ++++ src/index.ts | 65 +++ src/webhook-handler.ts | 59 +++ tsconfig.json | 19 + 11 files changed, 1452 insertions(+) create mode 100644 .env.example create mode 100644 .gitignore create mode 100644 Dockerfile create mode 100644 package.json create mode 100644 pnpm-lock.yaml create mode 100644 src/config.ts create mode 100644 src/coop-registry.ts create mode 100644 src/fan-out.ts create mode 100644 src/index.ts create mode 100644 src/webhook-handler.ts create mode 100644 tsconfig.json diff --git a/.env.example b/.env.example new file mode 100644 index 0000000..7169659 --- /dev/null +++ b/.env.example @@ -0,0 +1,18 @@ +# LiveKit credentials (для валидации подписи webhook) +LIVEKIT_API_KEY=devkey +LIVEKIT_API_SECRET=devsecret + +# URL ноды блокчейна (chain API) +BLOCKCHAIN_API_URL=https://api-testnet.coopenomics.world + +# Имя контракта registrator (по умолчанию: registrator) +REGISTRATOR_CONTRACT=registrator + +# Интервал обновления реестра кооперативов (мс, по умолчанию: 300000 = 5 минут) +COOP_REFRESH_INTERVAL_MS=300000 + +# Таймаут при пересылке webhook на контроллер (мс, по умолчанию: 5000) +FAN_OUT_TIMEOUT_MS=5000 + +# Порт HTTP-сервера (по умолчанию: 3100) +PORT=3100 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..aa0926a --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +node_modules/ +dist/ +.env +*.log diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..e0d08bf --- /dev/null +++ b/Dockerfile @@ -0,0 +1,24 @@ +FROM node:20-alpine AS builder + +WORKDIR /app + +COPY package.json ./ +RUN npm install -g pnpm && pnpm install + +COPY tsconfig.json ./ +COPY src/ ./src/ + +RUN pnpm build + +FROM node:20-alpine + +WORKDIR /app + +COPY package.json ./ +RUN npm install -g pnpm && pnpm install --prod + +COPY --from=builder /app/dist ./dist + +EXPOSE 3100 + +CMD ["node", "dist/index.js"] diff --git a/package.json b/package.json new file mode 100644 index 0000000..2550f9c --- /dev/null +++ b/package.json @@ -0,0 +1,23 @@ +{ + "name": "chatcoop-proxy", + "version": "1.0.0", + "description": "Fan-out webhook proxy for LiveKit -> cooperative controllers + Whisper API nginx proxy", + "main": "dist/index.js", + "scripts": { + "build": "tsc", + "start": "node dist/index.js", + "dev": "ts-node src/index.ts" + }, + "dependencies": { + "axios": "^1.7.0", + "dotenv": "^17.2.4", + "express": "^4.21.0", + "livekit-server-sdk": "^2.9.0" + }, + "devDependencies": { + "@types/express": "^4.17.21", + "@types/node": "^20.11.26", + "ts-node": "^10.9.2", + "typescript": "^5.4.2" + } +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml new file mode 100644 index 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call-bind-apply-helpers: 1.0.2 + es-define-property: 1.0.1 + es-errors: 1.3.0 + es-object-atoms: 1.1.1 + function-bind: 1.1.2 + get-proto: 1.0.1 + gopd: 1.2.0 + has-symbols: 1.1.0 + hasown: 2.0.2 + math-intrinsics: 1.1.0 + + get-proto@1.0.1: + dependencies: + dunder-proto: 1.0.1 + es-object-atoms: 1.1.1 + + gopd@1.2.0: {} + + has-symbols@1.1.0: {} + + has-tostringtag@1.0.2: + dependencies: + has-symbols: 1.1.0 + + hasown@2.0.2: + dependencies: + function-bind: 1.1.2 + + http-errors@2.0.1: + dependencies: + depd: 2.0.0 + inherits: 2.0.4 + setprototypeof: 1.2.0 + statuses: 2.0.2 + toidentifier: 1.0.1 + + iconv-lite@0.4.24: + dependencies: + safer-buffer: 2.1.2 + + inherits@2.0.4: {} + + ipaddr.js@1.9.1: {} + + jose@5.10.0: {} + + livekit-server-sdk@2.15.0: + dependencies: + '@bufbuild/protobuf': 1.10.1 + '@livekit/protocol': 1.44.0 + camelcase-keys: 9.1.3 + jose: 5.10.0 + + make-error@1.3.6: {} + + map-obj@5.0.0: {} + + math-intrinsics@1.1.0: {} + + media-typer@0.3.0: {} + + merge-descriptors@1.0.3: {} + + methods@1.1.2: {} + + mime-db@1.52.0: {} + + mime-types@2.1.35: + dependencies: + mime-db: 1.52.0 + + mime@1.6.0: {} + + ms@2.0.0: {} + + ms@2.1.3: {} + + negotiator@0.6.3: {} + + object-inspect@1.13.4: {} + + on-finished@2.4.1: + dependencies: + ee-first: 1.1.1 + + parseurl@1.3.3: {} + + path-to-regexp@0.1.12: {} + + proxy-addr@2.0.7: + dependencies: + forwarded: 0.2.0 + ipaddr.js: 1.9.1 + + proxy-from-env@1.1.0: {} + + qs@6.14.2: + dependencies: + side-channel: 1.1.0 + + quick-lru@6.1.2: {} + + range-parser@1.2.1: {} + + raw-body@2.5.3: + dependencies: + bytes: 3.1.2 + http-errors: 2.0.1 + iconv-lite: 0.4.24 + unpipe: 1.0.0 + + safe-buffer@5.2.1: {} + + safer-buffer@2.1.2: {} + + send@0.19.2: + dependencies: + debug: 2.6.9 + depd: 2.0.0 + destroy: 1.2.0 + encodeurl: 2.0.0 + escape-html: 1.0.3 + etag: 1.8.1 + fresh: 0.5.2 + http-errors: 2.0.1 + mime: 1.6.0 + ms: 2.1.3 + on-finished: 2.4.1 + range-parser: 1.2.1 + statuses: 2.0.2 + transitivePeerDependencies: + - supports-color + + serve-static@1.16.3: + dependencies: + encodeurl: 2.0.0 + escape-html: 1.0.3 + parseurl: 1.3.3 + send: 0.19.2 + transitivePeerDependencies: + - supports-color + + setprototypeof@1.2.0: {} + + side-channel-list@1.0.0: + dependencies: + es-errors: 1.3.0 + object-inspect: 1.13.4 + + side-channel-map@1.0.1: + dependencies: + call-bound: 1.0.4 + es-errors: 1.3.0 + get-intrinsic: 1.3.0 + object-inspect: 1.13.4 + + side-channel-weakmap@1.0.2: + dependencies: + call-bound: 1.0.4 + es-errors: 1.3.0 + get-intrinsic: 1.3.0 + object-inspect: 1.13.4 + side-channel-map: 1.0.1 + + side-channel@1.1.0: + dependencies: + es-errors: 1.3.0 + object-inspect: 1.13.4 + side-channel-list: 1.0.0 + side-channel-map: 1.0.1 + side-channel-weakmap: 1.0.2 + + statuses@2.0.2: {} + + toidentifier@1.0.1: {} + + ts-node@10.9.2(@types/node@20.19.33)(typescript@5.9.3): + dependencies: + '@cspotcode/source-map-support': 0.8.1 + '@tsconfig/node10': 1.0.12 + '@tsconfig/node12': 1.0.11 + '@tsconfig/node14': 1.0.3 + '@tsconfig/node16': 1.0.4 + '@types/node': 20.19.33 + acorn: 8.15.0 + acorn-walk: 8.3.4 + arg: 4.1.3 + create-require: 1.1.1 + diff: 4.0.4 + make-error: 1.3.6 + typescript: 5.9.3 + v8-compile-cache-lib: 3.0.1 + yn: 3.1.1 + + type-fest@4.41.0: {} + + type-is@1.6.18: + dependencies: + media-typer: 0.3.0 + mime-types: 2.1.35 + + typescript@5.9.3: {} + + undici-types@6.21.0: {} + + unpipe@1.0.0: {} + + utils-merge@1.0.1: {} + + v8-compile-cache-lib@3.0.1: {} + + vary@1.1.2: {} + + yn@3.1.1: {} diff --git a/src/config.ts b/src/config.ts new file mode 100644 index 0000000..b5ae5ee --- /dev/null +++ b/src/config.ts @@ -0,0 +1,49 @@ +/** + * Конфигурация chatcoop-proxy из переменных окружения + */ +export interface Config { + /** Порт HTTP-сервера */ + port: number; + + /** LiveKit API Key для валидации подписи webhook */ + livekitApiKey: string; + + /** LiveKit API Secret для валидации подписи webhook */ + livekitApiSecret: string; + + /** URL ноды блокчейна для get_table_rows */ + blockchainApiUrl: string; + + /** Имя контракта registrator */ + registratorContract: string; + + /** Интервал обновления реестра кооперативов (ms) */ + coopRefreshIntervalMs: number; + + /** Таймаут при пересылке webhook на контроллер (ms) */ + fanOutTimeoutMs: number; +} + +function getEnvOrThrow(key: string): string { + const value = process.env[key]; + if (!value) { + throw new Error(`Переменная окружения ${key} не задана`); + } + return value; +} + +function getEnvOrDefault(key: string, defaultValue: string): string { + return process.env[key] || defaultValue; +} + +export function loadConfig(): Config { + return { + port: parseInt(getEnvOrDefault('PORT', '3100'), 10), + livekitApiKey: getEnvOrThrow('LIVEKIT_API_KEY'), + livekitApiSecret: getEnvOrThrow('LIVEKIT_API_SECRET'), + blockchainApiUrl: getEnvOrThrow('BLOCKCHAIN_API_URL'), + registratorContract: getEnvOrDefault('REGISTRATOR_CONTRACT', 'registrator'), + coopRefreshIntervalMs: parseInt(getEnvOrDefault('COOP_REFRESH_INTERVAL_MS', '300000'), 10), + fanOutTimeoutMs: parseInt(getEnvOrDefault('FAN_OUT_TIMEOUT_MS', '5000'), 10), + }; +} diff --git a/src/coop-registry.ts b/src/coop-registry.ts new file mode 100644 index 0000000..6a4782e --- /dev/null +++ b/src/coop-registry.ts @@ -0,0 +1,131 @@ +import axios from 'axios'; +import type { Config } from './config'; + +/** + * Запись о кооперативе из блокчейна (таблица coops контракта registrator) + */ +export interface CoopEntry { + username: string; + announce: string; + is_cooperative: boolean; + status: string; +} + +/** + * Реестр активных кооперативов. + * Периодически опрашивает блокчейн (get_table_rows) и кеширует список + * кооперативов с непустым announce (URL сайта). + */ +export class CoopRegistry { + private coops: Map = new Map(); + private refreshTimer: ReturnType | null = null; + private isRefreshing = false; + + constructor(private readonly config: Config) {} + + /** + * Запустить периодическое обновление реестра + */ + async start(): Promise { + // Первоначальная загрузка + await this.refresh(); + + // Периодическое обновление + this.refreshTimer = setInterval(() => { + this.refresh().catch((err) => { + console.error('[CoopRegistry] Ошибка обновления реестра:', err.message); + }); + }, this.config.coopRefreshIntervalMs); + } + + /** + * Остановить обновление + */ + stop(): void { + if (this.refreshTimer) { + clearInterval(this.refreshTimer); + this.refreshTimer = null; + } + } + + /** + * Получить список активных кооперативов с непустым announce + */ + getActiveCoops(): CoopEntry[] { + return Array.from(this.coops.values()); + } + + /** + * Загрузить таблицу coops из блокчейна через get_table_rows + */ + private async refresh(): Promise { + if (this.isRefreshing) return; + this.isRefreshing = true; + + try { + const rows = await this.fetchAllCoopsRows(); + const newCoops = new Map(); + + for (const row of rows) { + // Фильтруем: только активные кооперативы с непустым announce + if (row.is_cooperative && row.status === 'active' && row.announce && row.announce.trim() !== '') { + newCoops.set(row.username, { + username: row.username, + announce: row.announce.trim(), + is_cooperative: row.is_cooperative, + status: row.status, + }); + } + } + + this.coops = newCoops; + console.log(`[CoopRegistry] Обновлено: ${newCoops.size} активных кооперативов`); + } catch (err: unknown) { + const message = err instanceof Error ? err.message : String(err); + console.error('[CoopRegistry] Не удалось обновить реестр:', message); + } finally { + this.isRefreshing = false; + } + } + + /** + * Постраничная загрузка всех строк таблицы coops + */ + private async fetchAllCoopsRows(): Promise { + const allRows: CoopEntry[] = []; + let lowerBound = ''; + const limit = 1000; + + while (true) { + const response = await axios.post( + `${this.config.blockchainApiUrl}/v1/chain/get_table_rows`, + { + code: this.config.registratorContract, + scope: this.config.registratorContract, + table: 'coops', + json: true, + limit, + lower_bound: lowerBound || undefined, + }, + { timeout: 10000 } + ); + + const { rows, more, next_key } = response.data; + + if (!rows || rows.length === 0) break; + + allRows.push(...rows); + + if (!more) break; + lowerBound = next_key || ''; + } + + return allRows; + } +} + +interface GetTableRowsResponse { + rows: CoopEntry[]; + more: boolean; + next_key: string; +} diff --git a/src/fan-out.ts b/src/fan-out.ts new file mode 100644 index 0000000..49fc395 --- /dev/null +++ b/src/fan-out.ts @@ -0,0 +1,89 @@ +import axios from 'axios'; +import type { CoopRegistry } from './coop-registry'; +import type { Config } from './config'; + +/** + * Сервис пересылки (fan-out) webhook-событий LiveKit + * на контроллеры всех активных кооперативов. + * + * Адрес контроллера конструируется из поля announce кооператива: + * https://{announce}/backend/v1/chatcoop/livekit-webhook + */ +export class FanOutService { + constructor( + private readonly coopRegistry: CoopRegistry, + private readonly config: Config + ) {} + + /** + * Переслать webhook-событие на все активные кооперативы + * + * @param rawBody - оригинальное тело webhook (строка для сохранения подписи) + * @param authHeader - заголовок Authorization от LiveKit + */ + async forward(rawBody: string, authHeader: string | undefined): Promise { + const coops = this.coopRegistry.getActiveCoops(); + + if (coops.length === 0) { + console.warn('[FanOut] Нет активных кооперативов для пересылки'); + return { total: 0, success: 0, failed: 0, errors: [] }; + } + + const results = await Promise.allSettled( + coops.map(async (coop) => { + const url = `https://${coop.announce}/backend/v1/chatcoop/livekit-webhook`; + + try { + await axios.post(url, rawBody, { + headers: { + 'Content-Type': 'application/webhook+json', + // Пробрасываем оригинальный заголовок авторизации LiveKit + ...(authHeader ? { Authorization: authHeader } : {}), + }, + timeout: this.config.fanOutTimeoutMs, + // Отправляем как строку, чтобы сохранить оригинальную подпись + transformRequest: [(data: string) => data], + }); + + return { coop: coop.username, success: true }; + } catch (err: unknown) { + const message = err instanceof Error ? err.message : String(err); + console.error(`[FanOut] Ошибка отправки на ${coop.username} (${url}):`, message); + return { coop: coop.username, success: false, error: message }; + } + }) + ); + + const succeeded = results.filter( + (r) => r.status === 'fulfilled' && r.value.success + ).length; + + const errors = results + .filter((r): r is PromiseFulfilledResult => + r.status === 'fulfilled' && !r.value.success + ) + .map((r) => ({ coop: r.value.coop, error: r.value.error || 'unknown' })); + + console.log(`[FanOut] Переслано: ${succeeded}/${coops.length} успешно`); + + return { + total: coops.length, + success: succeeded, + failed: coops.length - succeeded, + errors, + }; + } +} + +interface FanOutItemResult { + coop: string; + success: boolean; + error?: string; +} + +export interface FanOutResult { + total: number; + success: number; + failed: number; + errors: Array<{ coop: string; error: string }>; +} diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..6a7471a --- /dev/null +++ b/src/index.ts @@ -0,0 +1,65 @@ +import 'dotenv/config'; + +import express from 'express'; +import { loadConfig } from './config'; +import { CoopRegistry } from './coop-registry'; +import { FanOutService } from './fan-out'; +import { WebhookHandler } from './webhook-handler'; + +async function main(): Promise { + console.log('[chatcoop-proxy] Запуск...'); + + // Загрузка конфигурации + const config = loadConfig(); + + // Инициализация реестра кооперативов + const coopRegistry = new CoopRegistry(config); + await coopRegistry.start(); + + // Инициализация сервиса пересылки + const fanOut = new FanOutService(coopRegistry, config); + + // Инициализация обработчика webhook + const webhookHandler = new WebhookHandler(fanOut, config); + + // HTTP-сервер + const app = express(); + + // LiveKit отправляет webhook как application/webhook+json — принимаем как raw text + // чтобы сохранить оригинальное тело для пробрасывания подписи + app.post( + '/livekit/webhook', + express.text({ type: '*/*' }), + (req, res) => webhookHandler.handle(req, res) + ); + + // Health check + app.get('/health', (_req, res) => { + const coops = coopRegistry.getActiveCoops(); + res.json({ + status: 'ok', + activeCoops: coops.length, + coopNames: coops.map((c) => c.username), + }); + }); + + // Запуск сервера + app.listen(config.port, () => { + console.log(`[chatcoop-proxy] HTTP-сервер запущен на порту ${config.port}`); + }); + + // Graceful shutdown + const shutdown = (): void => { + console.log('[chatcoop-proxy] Завершение...'); + coopRegistry.stop(); + process.exit(0); + }; + + process.on('SIGTERM', shutdown); + process.on('SIGINT', shutdown); +} + +main().catch((err) => { + console.error('[chatcoop-proxy] Критическая ошибка запуска:', err); + process.exit(1); +}); diff --git a/src/webhook-handler.ts b/src/webhook-handler.ts new file mode 100644 index 0000000..294c63f --- /dev/null +++ b/src/webhook-handler.ts @@ -0,0 +1,59 @@ +import { WebhookReceiver } from 'livekit-server-sdk'; +import type { Request, Response } from 'express'; +import type { FanOutService } from './fan-out'; +import type { Config } from './config'; + +/** + * Обработчик входящих webhook-событий от LiveKit. + * Валидирует подпись и запускает fan-out на контроллеры кооперативов. + */ +export class WebhookHandler { + private receiver: WebhookReceiver; + + constructor( + private readonly fanOut: FanOutService, + config: Config + ) { + this.receiver = new WebhookReceiver(config.livekitApiKey, config.livekitApiSecret); + } + + /** + * Express handler для POST /livekit/webhook + */ + async handle(req: Request, res: Response): Promise { + try { + const rawBody = req.body as string; // body получен как raw string (см. express.text()) + const authHeader = req.get('Authorization'); + + // Валидация подписи webhook от LiveKit + let event; + try { + event = await this.receiver.receive(rawBody, authHeader); + } catch (err: unknown) { + const message = err instanceof Error ? err.message : String(err); + console.error('[WebhookHandler] Невалидная подпись webhook:', message); + res.status(401).json({ error: 'Invalid webhook signature' }); + return; + } + + console.log(`[WebhookHandler] Получено событие: ${event.event}, комната: ${event.room?.name || 'N/A'}`); + + // Пересылаем на все кооперативы (fan-out) + const result = await this.fanOut.forward(rawBody, authHeader); + + res.status(200).json({ + event: event.event, + room: event.room?.name, + fanOut: { + total: result.total, + success: result.success, + failed: result.failed, + }, + }); + } catch (err: unknown) { + const message = err instanceof Error ? err.message : String(err); + console.error('[WebhookHandler] Внутренняя ошибка:', message); + res.status(500).json({ error: 'Internal server error' }); + } + } +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..1951778 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,19 @@ +{ + "compilerOptions": { + "target": "ES2022", + "module": "commonjs", + "lib": ["ES2022"], + "outDir": "./dist", + "rootDir": "./src", + "strict": true, + "esModuleInterop": true, + "skipLibCheck": true, + "forceConsistentCasingInFileNames": true, + "resolveJsonModule": true, + "declaration": true, + "declarationMap": true, + "sourceMap": true + }, + "include": ["src/**/*"], + "exclude": ["node_modules", "dist"] +}