344 lines
14 KiB
TypeScript
344 lines
14 KiB
TypeScript
/**
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* Torrent Client Registry
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* =======================
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* Interface commune + registry de tous les clients disponibles.
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*/
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import { randomUUID } from 'crypto'
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import fs from 'fs'
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import path from 'path'
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import { DATA_DIR } from '../config.js'
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import { logger } from '../logger.js'
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// ─── Types ────────────────────────────────────────────────────────────────────
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export interface FieldDef {
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key : string
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label : string
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type : 'text' | 'password' | 'number' | 'url'
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placeholder?: string
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required : boolean
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default? : string | number
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}
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export interface TorrentClientDefinition {
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id : string
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label : string
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fields : FieldDef[]
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}
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export interface SavedClient {
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uuid : string
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name : string
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type : string
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config: Record<string, string | number>
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}
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export interface TorrentFileProgress {
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index : number
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progress: number // 0–100
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}
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export interface TorrentInfo {
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hash : string
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name : string
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state : 'downloading' | 'seeding' | 'paused' | 'checking' | 'error' | 'unknown'
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progress : number
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size : number
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downloaded: number
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uploaded : number
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ratio : number
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speed : number
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upspeed : number
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eta : number
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save_path : string
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category : string
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files ?: TorrentFileProgress[]
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}
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export interface DownloadOptions {
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file_index?: number | null
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file_path ?: string | null
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infohash ?: string | null // hash direct depuis les données API (plus fiable que parser le magnet)
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magnet ?: string | null // fallback pour extraire le hash si infohash absent
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}
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export interface TorrentClientDriver {
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definition : TorrentClientDefinition
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test : (config: Record<string, string | number>) => Promise<{ ok: boolean; message: string }>
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healthcheck : (config: Record<string, string | number>) => Promise<{ online: boolean; version?: string }>
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add : (config: Record<string, string | number>, url: string, options?: DownloadOptions) => Promise<void>
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list : (config: Record<string, string | number>, category?: string) => Promise<TorrentInfo[]>
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remove : (config: Record<string, string | number>, hash: string, deleteFiles?: boolean) => Promise<void>
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}
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// ─── Registry ─────────────────────────────────────────────────────────────────
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const drivers = new Map<string, TorrentClientDriver>()
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export function registerDriver(driver: TorrentClientDriver) {
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drivers.set(driver.definition.id, driver)
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logger.debug('torrent-clients', `Driver enregistré : ${driver.definition.label}`)
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}
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export function getDriver(type: string): TorrentClientDriver | undefined {
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return drivers.get(type)
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}
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export function getAvailableClients(): TorrentClientDefinition[] {
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return [...drivers.values()].map(d => d.definition)
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}
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// ─── Persistence ──────────────────────────────────────────────────────────────
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const CLIENTS_PATH = path.join(DATA_DIR, 'torrent_clients.json')
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function loadClients(): SavedClient[] {
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try {
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if (!fs.existsSync(CLIENTS_PATH)) return []
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const raw = fs.readFileSync(CLIENTS_PATH, 'utf-8').trim()
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if (!raw || raw === '[]') return []
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return JSON.parse(raw)
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} catch { return [] }
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}
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function saveClients(clients: SavedClient[]) {
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fs.mkdirSync(path.dirname(CLIENTS_PATH), { recursive: true })
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fs.writeFileSync(CLIENTS_PATH, JSON.stringify(clients, null, 2), 'utf-8')
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}
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export function listClients(): SavedClient[] {
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return loadClients()
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}
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export function addClient(name: string, type: string, config: Record<string, string | number>): SavedClient {
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const clients = loadClients()
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const client: SavedClient = { uuid: randomUUID(), name, type, config }
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clients.push(client)
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saveClients(clients)
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logger.info('torrent-clients', `Client ajouté : "${name}" (${type})`)
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return client
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}
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export function removeClient(uuid: string): boolean {
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const clients = loadClients()
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const target = clients.find(c => c.uuid === uuid)
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const filtered = clients.filter(c => c.uuid !== uuid)
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if (filtered.length === clients.length) return false
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saveClients(filtered)
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logger.info('torrent-clients', `Client supprimé : "${target?.name}" (${target?.type})`)
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return true
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}
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export function getClient(uuid: string): SavedClient | undefined {
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return loadClients().find(c => c.uuid === uuid)
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}
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export function updateClient(uuid: string, name: string, type: string, config: Record<string, string | number>): SavedClient | null {
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const clients = loadClients()
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const index = clients.findIndex(c => c.uuid === uuid)
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if (index === -1) return null
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clients[index] = { ...clients[index], name, type, config }
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saveClients(clients)
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logger.info('torrent-clients', `Client modifié : "${name}" (${type})`)
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return clients[index]
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}
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export function sanitizeClient(client: SavedClient, definition?: TorrentClientDefinition): SavedClient {
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if (!definition) definition = getDriver(client.type)?.definition
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if (!definition) return client
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const config = { ...client.config }
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for (const field of definition.fields) {
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if (field.type === 'password' && config[field.key]) {
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config[field.key] = '••••••••'
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}
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}
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return { ...client, config }
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}
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// ─── Backoff par client ───────────────────────────────────────────────────────
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// Si un client échoue à l'auth, on le met en cooldown pour éviter le ban IP
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interface BackoffEntry {
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failCount : number
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nextRetry : number // timestamp ms
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}
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const _backoff = new Map<string, BackoffEntry>()
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// Délais progressifs : 1min, 5min, 15min, 30min, 60min (plafonné)
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const BACKOFF_DELAYS = [60_000, 5 * 60_000, 15 * 60_000, 30 * 60_000, 60 * 60_000]
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function isInCooldown(uuid: string): boolean {
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const entry = _backoff.get(uuid)
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if (!entry) return false
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return Date.now() < entry.nextRetry
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}
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function cooldownRemaining(uuid: string): string {
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const entry = _backoff.get(uuid)
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if (!entry) return ''
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const remaining = Math.max(0, entry.nextRetry - Date.now())
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const m = Math.ceil(remaining / 60_000)
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return m > 0 ? `${m}min` : ''
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}
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function registerFailure(uuid: string, clientName: string) {
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const entry = _backoff.get(uuid) ?? { failCount: 0, nextRetry: 0 }
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entry.failCount = Math.min(entry.failCount + 1, BACKOFF_DELAYS.length - 1) + (entry.failCount === 0 ? 0 : 0)
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const delay = BACKOFF_DELAYS[Math.min(entry.failCount - 1, BACKOFF_DELAYS.length - 1)]
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entry.nextRetry = Date.now() + delay
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_backoff.set(uuid, entry)
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const min = Math.round(delay / 60_000)
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logger.warn('torrent-clients', `Client "${clientName}" en cooldown ${min}min après ${entry.failCount} échec(s)`)
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}
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function registerSuccess(uuid: string) {
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_backoff.delete(uuid)
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}
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// Exposé pour l'API de status
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export function getClientCooldowns(): Record<string, { failCount: number; nextRetry: number }> {
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const result: Record<string, { failCount: number; nextRetry: number }> = {}
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for (const [uuid, entry] of _backoff.entries()) {
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if (Date.now() < entry.nextRetry) result[uuid] = entry
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}
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return result
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}
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// ─── Remote path remapping ────────────────────────────────────────────────────
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// FIX : remplace le préfixe remotePath par localPath dans save_path
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// ex: remotePath=/downloads, localPath=/mnt/nas/downloads
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// /downloads/fankai/Serie → /mnt/nas/downloads/fankai/Serie
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function remapSavePath(savePath: string, remotePath: string, localPath: string): string {
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const remote = remotePath.replace(/\/+$/, '')
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const local = localPath.replace(/\/+$/, '')
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if (!remote || !local) return savePath
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if (!savePath.startsWith(remote)) return savePath
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return local + savePath.slice(remote.length)
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}
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// ─── Dispatch download ─────────────────────────────────────────────────────────
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export async function dispatchDownload(url: string, options?: DownloadOptions): Promise<{ uuid: string; name: string; ok: boolean; error?: string }[]> {
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const clients = loadClients()
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if (clients.length === 0) {
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logger.warn('torrent-clients', 'Aucun client configuré — téléchargement impossible')
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return []
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}
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const results = []
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for (const client of clients) {
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const driver = getDriver(client.type)
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if (!driver) {
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logger.error('torrent-clients', `Driver "${client.type}" introuvable pour le client "${client.name}"`)
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results.push({ uuid: client.uuid, name: client.name, ok: false, error: `Driver "${client.type}" introuvable` })
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continue
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}
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try {
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await driver.add(client.config, url, options)
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logger.info('torrent-clients', `Téléchargement envoyé à "${client.name}"`)
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results.push({ uuid: client.uuid, name: client.name, ok: true })
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} catch (err) {
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const msg = err instanceof Error ? err.message : 'Erreur inconnue'
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logger.error('torrent-clients', `Échec envoi vers "${client.name}" : ${msg}`)
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results.push({ uuid: client.uuid, name: client.name, ok: false, error: msg })
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}
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}
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return results
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}
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// ─── Dispatch remove ───────────────────────────────────────────────────────────
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export async function dispatchRemove(hash: string, deleteFiles = false): Promise<{ ok: boolean; error?: string }> {
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const clients = loadClients()
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let found = false
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for (const client of clients) {
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const driver = getDriver(client.type)
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if (!driver) continue
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try {
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await driver.remove(client.config, hash, deleteFiles)
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logger.info('torrent-clients', `Torrent ${hash.slice(0, 8)}… supprimé de "${client.name}"${deleteFiles ? ' (avec fichiers)' : ''}`)
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found = true
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} catch (err) {
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const msg = err instanceof Error ? err.message : 'Erreur inconnue'
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logger.warn('torrent-clients', `Impossible de supprimer le torrent de "${client.name}" : ${msg}`)
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}
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}
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return found ? { ok: true } : { ok: false, error: 'Torrent introuvable dans les clients' }
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}
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// Map inversée : titre normalisé → infohash (pour matcher les torrents Synology)
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function buildTitleIndex(infohashMap: Record<string, string>): Map<string, string> {
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const index = new Map<string, string>()
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for (const [hash, title] of Object.entries(infohashMap)) {
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index.set(title.toLowerCase().trim(), hash.toLowerCase())
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}
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return index
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}
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export async function dispatchList(
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category? : string,
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infohashMap? : Record<string, string>,
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): Promise<(TorrentInfo & { client_uuid: string; client_name: string })[]> {
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const clients = loadClients()
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const results: (TorrentInfo & { client_uuid: string; client_name: string })[] = []
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const titleIndex = infohashMap ? buildTitleIndex(infohashMap) : null
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for (const client of clients) {
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const driver = getDriver(client.type)
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if (!driver) continue
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if (isInCooldown(client.uuid)) {
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const remaining = cooldownRemaining(client.uuid)
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logger.debug('torrent-clients', `Client "${client.name}" en cooldown — retry dans ${remaining}`)
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continue
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}
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try {
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const clientCategory = (client.config.category as string) || category
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const torrents = await driver.list(client.config, clientCategory)
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registerSuccess(client.uuid)
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const remotePath = String(client.config.remotePath ?? '')
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const localPath = String(client.config.localPath ?? '')
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const hasRemap = remotePath && localPath
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for (const t of torrents) {
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const save_path = hasRemap
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? remapSavePath(t.save_path, remotePath, localPath)
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: t.save_path
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// Pour Synology (hash = dbid_xxx), on essaie de résoudre le vrai infohash
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// en matchant le titre du torrent dans la infohashMap
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let hash = t.hash
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if (titleIndex && t.hash.startsWith('dbid_')) {
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const resolved = titleIndex.get(t.name.toLowerCase().trim())
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if (resolved) {
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logger.debug('torrent-clients', `Synology hash résolu : "${t.name}" → ${resolved.slice(0, 8)}…`)
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hash = resolved
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}
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}
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results.push({ ...t, hash, save_path, client_uuid: client.uuid, client_name: client.name })
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}
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} catch (err) {
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const msg = err instanceof Error ? err.message : 'Erreur inconnue'
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logger.error('torrent-clients', `Impossible de récupérer la liste depuis "${client.name}" : ${msg}`)
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const isAuthError = msg.toLowerCase().includes('login') ||
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msg.toLowerCase().includes('auth') ||
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msg.toLowerCase().includes('ban') ||
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msg.toLowerCase().includes('forbidden') ||
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msg.toLowerCase().includes('401') ||
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msg.toLowerCase().includes('403')
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if (isAuthError) registerFailure(client.uuid, client.name)
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}
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}
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return results
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} |