real-debrid-downloader/src/main/download-manager.ts
Sucukdeluxe 556f0672dc
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Release v1.4.19 with 4SF/4SJ auto-rename support
2026-02-28 05:50:14 +01:00

3145 lines
102 KiB
TypeScript

import fs from "node:fs";
import path from "node:path";
import os from "node:os";
import { EventEmitter } from "node:events";
import { v4 as uuidv4 } from "uuid";
import {
AppSettings,
DownloadItem,
DownloadStats,
DownloadSummary,
DownloadStatus,
DuplicatePolicy,
PackageEntry,
ParsedPackageInput,
SessionState,
StartConflictEntry,
StartConflictResolutionResult,
UiSnapshot
} from "../shared/types";
import { REQUEST_RETRIES, SAMPLE_VIDEO_EXTENSIONS } from "./constants";
import { cleanupCancelledPackageArtifactsAsync } from "./cleanup";
import { DebridService, MegaWebUnrestrictor } from "./debrid";
import { collectArchiveCleanupTargets, extractPackageArchives } from "./extractor";
import { validateFileAgainstManifest } from "./integrity";
import { logger } from "./logger";
import { StoragePaths, saveSession, saveSessionAsync } from "./storage";
import { compactErrorText, ensureDirPath, filenameFromUrl, formatEta, humanSize, looksLikeOpaqueFilename, nowMs, sanitizeFilename, sleep } from "./utils";
type ActiveTask = {
itemId: string;
packageId: string;
abortController: AbortController;
abortReason: "stop" | "cancel" | "reconnect" | "package_toggle" | "stall" | "shutdown" | "none";
resumable: boolean;
speedEvents: Array<{ at: number; bytes: number }>;
nonResumableCounted: boolean;
};
const DEFAULT_DOWNLOAD_STALL_TIMEOUT_MS = 30000;
const DEFAULT_DOWNLOAD_CONNECT_TIMEOUT_MS = 25000;
const DEFAULT_GLOBAL_STALL_WATCHDOG_TIMEOUT_MS = 90000;
function getDownloadStallTimeoutMs(): number {
const fromEnv = Number(process.env.RD_STALL_TIMEOUT_MS ?? NaN);
if (Number.isFinite(fromEnv) && fromEnv >= 2000 && fromEnv <= 600000) {
return Math.floor(fromEnv);
}
return DEFAULT_DOWNLOAD_STALL_TIMEOUT_MS;
}
function getDownloadConnectTimeoutMs(): number {
const fromEnv = Number(process.env.RD_CONNECT_TIMEOUT_MS ?? NaN);
if (Number.isFinite(fromEnv) && fromEnv >= 2000 && fromEnv <= 180000) {
return Math.floor(fromEnv);
}
return DEFAULT_DOWNLOAD_CONNECT_TIMEOUT_MS;
}
function getGlobalStallWatchdogTimeoutMs(): number {
const fromEnv = Number(process.env.RD_GLOBAL_STALL_TIMEOUT_MS ?? NaN);
if (Number.isFinite(fromEnv)) {
if (fromEnv <= 0) {
return 0;
}
if (fromEnv >= 2000 && fromEnv <= 600000) {
return Math.floor(fromEnv);
}
}
return DEFAULT_GLOBAL_STALL_WATCHDOG_TIMEOUT_MS;
}
type DownloadManagerOptions = {
megaWebUnrestrict?: MegaWebUnrestrictor;
};
function cloneSession(session: SessionState): SessionState {
const clonedItems: Record<string, DownloadItem> = {};
for (const key of Object.keys(session.items)) {
clonedItems[key] = { ...session.items[key] };
}
const clonedPackages: Record<string, PackageEntry> = {};
for (const key of Object.keys(session.packages)) {
const pkg = session.packages[key];
clonedPackages[key] = { ...pkg, itemIds: [...pkg.itemIds] };
}
return {
...session,
packageOrder: [...session.packageOrder],
packages: clonedPackages,
items: clonedItems
};
}
function parseContentRangeTotal(contentRange: string | null): number | null {
if (!contentRange) {
return null;
}
const match = contentRange.match(/\/(\d+)$/);
if (!match) {
return null;
}
const value = Number(match[1]);
return Number.isFinite(value) ? value : null;
}
function parseContentDispositionFilename(contentDisposition: string | null): string {
if (!contentDisposition) {
return "";
}
const encodedMatch = contentDisposition.match(/filename\*\s*=\s*([^;]+)/i);
if (encodedMatch?.[1]) {
let value = encodedMatch[1].trim();
value = value.replace(/^UTF-8''/i, "");
value = value.replace(/^['"]+|['"]+$/g, "");
try {
const decoded = decodeURIComponent(value).trim();
if (decoded) {
return decoded;
}
} catch {
if (value) {
return value;
}
}
}
const plainMatch = contentDisposition.match(/filename\s*=\s*([^;]+)/i);
if (!plainMatch?.[1]) {
return "";
}
return plainMatch[1].trim().replace(/^['"]+|['"]+$/g, "");
}
function canRetryStatus(status: number): boolean {
return status === 429 || status >= 500;
}
function isArchiveLikePath(filePath: string): boolean {
const lower = path.basename(filePath).toLowerCase();
return /\.(?:part\d+\.rar|rar|r\d{2}|zip|z\d{2}|7z|7z\.\d{3})$/i.test(lower);
}
function isFetchFailure(errorText: string): boolean {
const text = String(errorText || "").toLowerCase();
return text.includes("fetch failed") || text.includes("socket hang up") || text.includes("econnreset") || text.includes("network error");
}
function isUnrestrictFailure(errorText: string): boolean {
const text = String(errorText || "").toLowerCase();
return text.includes("unrestrict") || text.includes("mega-web") || text.includes("mega-debrid")
|| text.includes("bestdebrid") || text.includes("alldebrid") || text.includes("kein debrid")
|| text.includes("session") || text.includes("login");
}
function isFinishedStatus(status: DownloadStatus): boolean {
return status === "completed" || status === "failed" || status === "cancelled";
}
function isExtractedLabel(statusText: string): boolean {
return /^entpackt\b/i.test(String(statusText || "").trim());
}
function providerLabel(provider: DownloadItem["provider"]): string {
if (provider === "realdebrid") {
return "Real-Debrid";
}
if (provider === "megadebrid") {
return "Mega-Debrid";
}
if (provider === "bestdebrid") {
return "BestDebrid";
}
if (provider === "alldebrid") {
return "AllDebrid";
}
return "Debrid";
}
function pathKey(filePath: string): string {
const resolved = path.resolve(filePath);
return process.platform === "win32" ? resolved.toLowerCase() : resolved;
}
function isPathInsideDir(filePath: string, dirPath: string): boolean {
const file = pathKey(filePath);
const dir = pathKey(dirPath);
if (file === dir) {
return true;
}
const withSep = dir.endsWith(path.sep) ? dir : `${dir}${path.sep}`;
return file.startsWith(withSep);
}
const SCENE_RELEASE_FOLDER_RE = /-(?:4sf|4sj)$/i;
const SCENE_EPISODE_RE = /(?:^|[._\-\s])s(\d{1,2})e(\d{1,3})(?:[._\-\s]|$)/i;
const SCENE_SEASON_ONLY_RE = /(^|[._\-\s])s\d{1,2}(?=[._\-\s]|$)/i;
const SCENE_RP_TOKEN_RE = /(?:^|[._\-\s])rp(?:[._\-\s]|$)/i;
const SCENE_REPACK_TOKEN_RE = /(?:^|[._\-\s])repack(?:[._\-\s]|$)/i;
const SCENE_QUALITY_TOKEN_RE = /([._\-\s])((?:4320|2160|1440|1080|720|576|540|480|360)p)(?=[._\-\s]|$)/i;
function extractEpisodeToken(fileName: string): string | null {
const match = String(fileName || "").match(SCENE_EPISODE_RE);
if (!match) {
return null;
}
const season = Number(match[1]);
const episode = Number(match[2]);
if (!Number.isFinite(season) || !Number.isFinite(episode) || season < 0 || episode < 0) {
return null;
}
return `S${String(season).padStart(2, "0")}E${String(episode).padStart(2, "0")}`;
}
function applyEpisodeTokenToFolderName(folderName: string, episodeToken: string): string {
const trimmed = String(folderName || "").trim();
if (!trimmed) {
return episodeToken;
}
const withEpisode = trimmed.replace(
/(^|[._\-\s])s\d{1,2}e\d{1,3}(?=[._\-\s]|$)/i,
`$1${episodeToken}`
);
if (withEpisode !== trimmed) {
return withEpisode;
}
const withSeason = trimmed.replace(SCENE_SEASON_ONLY_RE, `$1${episodeToken}`);
if (withSeason !== trimmed) {
return withSeason;
}
const withSuffixInsert = trimmed.replace(/-(4sf|4sj)$/i, `.${episodeToken}-$1`);
if (withSuffixInsert !== trimmed) {
return withSuffixInsert;
}
return `${trimmed}.${episodeToken}`;
}
function sourceHasRpToken(fileName: string): boolean {
return SCENE_RP_TOKEN_RE.test(String(fileName || ""));
}
function ensureRepackToken(baseName: string): string {
if (SCENE_REPACK_TOKEN_RE.test(baseName)) {
return baseName;
}
const withQualityToken = baseName.replace(SCENE_QUALITY_TOKEN_RE, ".REPACK.$2");
if (withQualityToken !== baseName) {
return withQualityToken;
}
const withSuffixToken = baseName.replace(/-(4sf|4sj)$/i, ".REPACK-$1");
if (withSuffixToken !== baseName) {
return withSuffixToken;
}
return `${baseName}.REPACK`;
}
function buildAutoRenameBaseName(folderName: string, sourceFileName: string): string | null {
if (!SCENE_RELEASE_FOLDER_RE.test(folderName)) {
return null;
}
const episodeToken = extractEpisodeToken(sourceFileName);
if (!episodeToken) {
return null;
}
let next = applyEpisodeTokenToFolderName(folderName, episodeToken);
if (sourceHasRpToken(sourceFileName)) {
next = ensureRepackToken(next);
}
return sanitizeFilename(next);
}
export class DownloadManager extends EventEmitter {
private settings: AppSettings;
private session: SessionState;
private storagePaths: StoragePaths;
private debridService: DebridService;
private activeTasks = new Map<string, ActiveTask>();
private scheduleRunning = false;
private persistTimer: NodeJS.Timeout | null = null;
private speedEvents: Array<{ at: number; bytes: number }> = [];
private summary: DownloadSummary | null = null;
private nonResumableActive = 0;
private stateEmitTimer: NodeJS.Timeout | null = null;
private speedBytesLastWindow = 0;
private statsCache: DownloadStats | null = null;
private statsCacheAt = 0;
private lastPersistAt = 0;
private cleanupQueue: Promise<void> = Promise.resolve();
private packagePostProcessQueue: Promise<void> = Promise.resolve();
private packagePostProcessTasks = new Map<string, Promise<void>>();
private packagePostProcessAbortControllers = new Map<string, AbortController>();
private reservedTargetPaths = new Map<string, string>();
private claimedTargetPathByItem = new Map<string, string>();
private runItemIds = new Set<string>();
private runPackageIds = new Set<string>();
private runOutcomes = new Map<string, "completed" | "failed" | "cancelled">();
private runCompletedPackages = new Set<string>();
private lastSchedulerHeartbeatAt = 0;
private lastReconnectMarkAt = 0;
private lastGlobalProgressBytes = 0;
private lastGlobalProgressAt = 0;
public constructor(settings: AppSettings, session: SessionState, storagePaths: StoragePaths, options: DownloadManagerOptions = {}) {
super();
this.settings = settings;
this.session = cloneSession(session);
this.storagePaths = storagePaths;
this.debridService = new DebridService(settings, { megaWebUnrestrict: options.megaWebUnrestrict });
this.applyOnStartCleanupPolicy();
this.normalizeSessionStatuses();
this.recoverRetryableItems("startup");
this.recoverPostProcessingOnStartup();
this.resolveExistingQueuedOpaqueFilenames();
this.cleanupExistingExtractedArchives();
}
public setSettings(next: AppSettings): void {
this.settings = next;
this.debridService.setSettings(next);
this.resolveExistingQueuedOpaqueFilenames();
this.cleanupExistingExtractedArchives();
this.emitState();
}
public getSettings(): AppSettings {
return this.settings;
}
public getSession(): SessionState {
return cloneSession(this.session);
}
public getSummary(): DownloadSummary | null {
return this.summary;
}
public getSnapshot(): UiSnapshot {
const now = nowMs();
this.pruneSpeedEvents(now);
const paused = this.session.running && this.session.paused;
const speedBps = paused ? 0 : this.speedBytesLastWindow / 3;
let totalItems = 0;
let doneItems = 0;
if (this.session.running && this.runItemIds.size > 0) {
totalItems = this.runItemIds.size;
for (const itemId of this.runItemIds) {
if (this.runOutcomes.has(itemId)) {
doneItems += 1;
continue;
}
const item = this.session.items[itemId];
if (item && isFinishedStatus(item.status)) {
doneItems += 1;
}
}
} else {
const sessionItems = Object.values(this.session.items);
totalItems = sessionItems.length;
for (const item of sessionItems) {
if (isFinishedStatus(item.status)) {
doneItems += 1;
}
}
}
const elapsed = this.session.runStartedAt > 0 ? (now - this.session.runStartedAt) / 1000 : 0;
const rate = doneItems > 0 && elapsed > 0 ? doneItems / elapsed : 0;
const remaining = totalItems - doneItems;
const eta = remaining > 0 && rate > 0 ? remaining / rate : -1;
const reconnectMs = Math.max(0, this.session.reconnectUntil - now);
return {
settings: this.settings,
session: cloneSession(this.session),
summary: this.summary,
stats: this.getStats(now),
speedText: `Geschwindigkeit: ${humanSize(Math.max(0, Math.floor(speedBps)))}/s`,
etaText: paused ? "ETA: --" : `ETA: ${formatEta(eta)}`,
canStart: !this.session.running,
canStop: this.session.running,
canPause: this.session.running,
clipboardActive: this.settings.clipboardWatch,
reconnectSeconds: Math.ceil(reconnectMs / 1000)
};
}
public getStats(now = nowMs()): DownloadStats {
const itemCount = Object.keys(this.session.items).length;
if (this.statsCache && this.session.running && itemCount >= 500 && now - this.statsCacheAt < 1500) {
return this.statsCache;
}
let totalDownloaded = 0;
let totalFiles = 0;
for (const item of Object.values(this.session.items)) {
if (item.status === "completed") {
totalDownloaded += item.downloadedBytes;
totalFiles += 1;
}
}
if (this.session.running) {
let visibleRunBytes = 0;
for (const itemId of this.runItemIds) {
const item = this.session.items[itemId];
if (item) {
visibleRunBytes += item.downloadedBytes;
}
}
totalDownloaded += Math.max(0, this.session.totalDownloadedBytes - visibleRunBytes);
} else {
totalDownloaded = Math.max(totalDownloaded, this.session.totalDownloadedBytes);
}
const stats = {
totalDownloaded,
totalFiles,
totalPackages: Object.keys(this.session.packages).length,
sessionStartedAt: this.session.runStartedAt
};
this.statsCache = stats;
this.statsCacheAt = now;
return stats;
}
public renamePackage(packageId: string, newName: string): void {
const pkg = this.session.packages[packageId];
if (!pkg) {
return;
}
pkg.name = sanitizeFilename(newName) || pkg.name;
pkg.updatedAt = nowMs();
this.persistSoon();
this.emitState(true);
}
public reorderPackages(packageIds: string[]): void {
const valid = packageIds.filter((id) => this.session.packages[id]);
const remaining = this.session.packageOrder.filter((id) => !valid.includes(id));
this.session.packageOrder = [...valid, ...remaining];
this.persistSoon();
this.emitState(true);
}
public removeItem(itemId: string): void {
const item = this.session.items[itemId];
if (!item) {
return;
}
this.recordRunOutcome(itemId, "cancelled");
const active = this.activeTasks.get(itemId);
if (active) {
active.abortReason = "cancel";
active.abortController.abort("cancel");
}
const pkg = this.session.packages[item.packageId];
if (pkg) {
pkg.itemIds = pkg.itemIds.filter((id) => id !== itemId);
if (pkg.itemIds.length === 0) {
this.removePackageFromSession(item.packageId, []);
} else {
pkg.updatedAt = nowMs();
}
}
delete this.session.items[itemId];
this.releaseTargetPath(itemId);
this.persistSoon();
this.emitState(true);
}
public togglePackage(packageId: string): void {
const pkg = this.session.packages[packageId];
if (!pkg) {
return;
}
const nextEnabled = !pkg.enabled;
pkg.enabled = nextEnabled;
if (!nextEnabled) {
if (pkg.status === "downloading") {
pkg.status = "paused";
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (this.session.running && !isFinishedStatus(item.status) && !this.runOutcomes.has(itemId)) {
this.runItemIds.delete(itemId);
}
const active = this.activeTasks.get(itemId);
if (active) {
active.abortReason = "package_toggle";
active.abortController.abort("package_toggle");
continue;
}
if (item.status === "queued" || item.status === "reconnect_wait") {
item.status = "queued";
item.speedBps = 0;
item.fullStatus = "Paket gestoppt";
item.updatedAt = nowMs();
}
}
this.runPackageIds.delete(packageId);
this.runCompletedPackages.delete(packageId);
} else {
if (pkg.status === "paused") {
pkg.status = "queued";
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (item.status === "queued" && item.fullStatus === "Paket gestoppt") {
item.fullStatus = "Wartet";
item.updatedAt = nowMs();
}
}
if (this.session.running) {
void this.ensureScheduler();
}
}
pkg.updatedAt = nowMs();
this.persistSoon();
this.emitState(true);
}
public exportQueue(): string {
const exportData = {
version: 1,
packages: this.session.packageOrder.map((id) => {
const pkg = this.session.packages[id];
if (!pkg) {
return null;
}
return {
name: pkg.name,
links: pkg.itemIds
.map((itemId) => this.session.items[itemId]?.url)
.filter(Boolean)
};
}).filter(Boolean)
};
return JSON.stringify(exportData, null, 2);
}
public importQueue(json: string): { addedPackages: number; addedLinks: number } {
const data = JSON.parse(json) as { packages?: Array<{ name: string; links: string[] }> };
if (!Array.isArray(data.packages)) {
return { addedPackages: 0, addedLinks: 0 };
}
const inputs: ParsedPackageInput[] = data.packages
.filter((pkg) => pkg.name && Array.isArray(pkg.links) && pkg.links.length > 0)
.map((pkg) => ({ name: pkg.name, links: pkg.links }));
return this.addPackages(inputs);
}
public clearAll(): void {
this.stop();
this.abortPostProcessing("clear_all");
if (this.stateEmitTimer) {
clearTimeout(this.stateEmitTimer);
this.stateEmitTimer = null;
}
this.session.packageOrder = [];
this.session.packages = {};
this.session.items = {};
this.session.summaryText = "";
this.runItemIds.clear();
this.runPackageIds.clear();
this.runOutcomes.clear();
this.runCompletedPackages.clear();
this.reservedTargetPaths.clear();
this.claimedTargetPathByItem.clear();
this.packagePostProcessTasks.clear();
this.packagePostProcessAbortControllers.clear();
this.packagePostProcessQueue = Promise.resolve();
this.summary = null;
this.persistNow();
this.emitState(true);
}
public addPackages(packages: ParsedPackageInput[]): { addedPackages: number; addedLinks: number } {
let addedPackages = 0;
let addedLinks = 0;
const unresolvedByLink = new Map<string, string[]>();
for (const pkg of packages) {
const links = pkg.links.filter((link) => !!link.trim());
if (links.length === 0) {
continue;
}
const packageId = uuidv4();
const outputDir = ensureDirPath(this.settings.outputDir, pkg.name);
const extractBase = this.settings.extractDir || path.join(this.settings.outputDir, "_entpackt");
const extractDir = this.settings.createExtractSubfolder ? ensureDirPath(extractBase, pkg.name) : extractBase;
const packageEntry: PackageEntry = {
id: packageId,
name: sanitizeFilename(pkg.name),
outputDir,
extractDir,
status: "queued",
itemIds: [],
cancelled: false,
enabled: true,
createdAt: nowMs(),
updatedAt: nowMs()
};
for (const link of links) {
const itemId = uuidv4();
const fileName = filenameFromUrl(link);
const item: DownloadItem = {
id: itemId,
packageId,
url: link,
provider: null,
status: "queued",
retries: 0,
speedBps: 0,
downloadedBytes: 0,
totalBytes: null,
progressPercent: 0,
fileName,
targetPath: path.join(outputDir, fileName),
resumable: true,
attempts: 0,
lastError: "",
fullStatus: "Wartet",
createdAt: nowMs(),
updatedAt: nowMs()
};
packageEntry.itemIds.push(itemId);
this.session.items[itemId] = item;
if (this.session.running) {
this.runItemIds.add(itemId);
this.runPackageIds.add(packageId);
}
if (looksLikeOpaqueFilename(fileName)) {
const existing = unresolvedByLink.get(link) ?? [];
existing.push(itemId);
unresolvedByLink.set(link, existing);
}
addedLinks += 1;
}
this.session.packages[packageId] = packageEntry;
this.session.packageOrder.push(packageId);
addedPackages += 1;
}
this.persistSoon();
this.emitState();
if (unresolvedByLink.size > 0) {
void this.resolveQueuedFilenames(unresolvedByLink);
}
return { addedPackages, addedLinks };
}
public getStartConflicts(): StartConflictEntry[] {
const hasFilesByExtractDir = new Map<string, boolean>();
const conflicts: StartConflictEntry[] = [];
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
const hasPendingItems = pkg.itemIds.some((itemId) => {
const item = this.session.items[itemId];
if (!item) {
return false;
}
return item.status === "queued" || item.status === "reconnect_wait";
});
if (!hasPendingItems) {
continue;
}
if (!this.isPackageSpecificExtractDir(pkg)) {
continue;
}
const extractDirKey = pathKey(pkg.extractDir);
const hasExtractedFiles = hasFilesByExtractDir.has(extractDirKey)
? Boolean(hasFilesByExtractDir.get(extractDirKey))
: this.directoryHasAnyFiles(pkg.extractDir);
if (!hasFilesByExtractDir.has(extractDirKey)) {
hasFilesByExtractDir.set(extractDirKey, hasExtractedFiles);
}
if (hasExtractedFiles) {
conflicts.push({
packageId: pkg.id,
packageName: pkg.name,
extractDir: pkg.extractDir
});
}
}
return conflicts;
}
public async resolveStartConflict(packageId: string, policy: DuplicatePolicy): Promise<StartConflictResolutionResult> {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled) {
return { skipped: false, overwritten: false };
}
if (policy === "skip") {
for (const itemId of pkg.itemIds) {
const active = this.activeTasks.get(itemId);
if (active) {
active.abortReason = "cancel";
active.abortController.abort("cancel");
}
this.releaseTargetPath(itemId);
delete this.session.items[itemId];
}
delete this.session.packages[packageId];
this.session.packageOrder = this.session.packageOrder.filter((id) => id !== packageId);
this.persistSoon();
this.emitState(true);
return { skipped: true, overwritten: false };
}
if (policy === "overwrite") {
const canDeleteExtractDir = this.isPackageSpecificExtractDir(pkg) && !this.isExtractDirSharedWithOtherPackages(pkg.id, pkg.extractDir);
if (canDeleteExtractDir) {
try {
await fs.promises.rm(pkg.extractDir, { recursive: true, force: true });
} catch {
// ignore
}
}
try {
await fs.promises.rm(pkg.outputDir, { recursive: true, force: true });
} catch {
// ignore
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
const active = this.activeTasks.get(itemId);
if (active) {
active.abortReason = "cancel";
active.abortController.abort("cancel");
}
this.releaseTargetPath(itemId);
item.status = "queued";
item.retries = 0;
item.speedBps = 0;
item.downloadedBytes = 0;
item.totalBytes = null;
item.progressPercent = 0;
item.resumable = true;
item.attempts = 0;
item.lastError = "";
item.fullStatus = "Wartet";
item.updatedAt = nowMs();
item.targetPath = path.join(pkg.outputDir, sanitizeFilename(item.fileName || filenameFromUrl(item.url)));
}
pkg.status = "queued";
pkg.updatedAt = nowMs();
this.persistSoon();
this.emitState(true);
return { skipped: false, overwritten: true };
}
return { skipped: false, overwritten: false };
}
private isPackageSpecificExtractDir(pkg: PackageEntry): boolean {
const expectedName = sanitizeFilename(pkg.name).toLowerCase();
if (!expectedName) {
return false;
}
return path.basename(pkg.extractDir).toLowerCase() === expectedName;
}
private isExtractDirSharedWithOtherPackages(packageId: string, extractDir: string): boolean {
const key = pathKey(extractDir);
for (const otherId of this.session.packageOrder) {
if (otherId === packageId) {
continue;
}
const other = this.session.packages[otherId];
if (!other || other.cancelled) {
continue;
}
if (pathKey(other.extractDir) === key) {
return true;
}
}
return false;
}
private async resolveQueuedFilenames(unresolvedByLink: Map<string, string[]>): Promise<void> {
try {
let changed = false;
const applyResolvedName = (link: string, fileName: string): void => {
const itemIds = unresolvedByLink.get(link);
if (!itemIds || itemIds.length === 0) {
return;
}
if (!fileName || fileName.toLowerCase() === "download.bin") {
return;
}
const normalized = sanitizeFilename(fileName);
if (!normalized || normalized.toLowerCase() === "download.bin") {
return;
}
let changedForLink = false;
for (const itemId of itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (!looksLikeOpaqueFilename(item.fileName)) {
continue;
}
if (item.status !== "queued" && item.status !== "reconnect_wait") {
continue;
}
item.fileName = normalized;
item.targetPath = path.join(this.session.packages[item.packageId]?.outputDir || this.settings.outputDir, normalized);
item.updatedAt = nowMs();
changed = true;
changedForLink = true;
}
if (changedForLink) {
this.persistSoon();
this.emitState();
}
};
await this.debridService.resolveFilenames(Array.from(unresolvedByLink.keys()), applyResolvedName);
if (changed) {
this.persistSoon();
this.emitState();
}
} catch (error) {
logger.warn(`Dateinamen-Resolve fehlgeschlagen: ${compactErrorText(error)}`);
}
}
private resolveExistingQueuedOpaqueFilenames(): void {
const unresolvedByLink = new Map<string, string[]>();
for (const item of Object.values(this.session.items)) {
if (!looksLikeOpaqueFilename(item.fileName)) {
continue;
}
if (item.status !== "queued" && item.status !== "reconnect_wait") {
continue;
}
const pkg = this.session.packages[item.packageId];
if (!pkg || pkg.cancelled) {
continue;
}
const existing = unresolvedByLink.get(item.url) ?? [];
existing.push(item.id);
unresolvedByLink.set(item.url, existing);
}
if (unresolvedByLink.size > 0) {
void this.resolveQueuedFilenames(unresolvedByLink);
}
}
private cleanupExistingExtractedArchives(): void {
if (this.settings.cleanupMode === "none") {
return;
}
const extractDirUsage = new Map<string, number>();
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.extractDir) {
continue;
}
const key = pathKey(pkg.extractDir);
extractDirUsage.set(key, (extractDirUsage.get(key) || 0) + 1);
}
const cleanupTargetsByPackage = new Map<string, Set<string>>();
const dirFilesCache = new Map<string, string[]>();
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || pkg.status !== "completed") {
continue;
}
if (this.packagePostProcessTasks.has(packageId)) {
continue;
}
const items = pkg.itemIds
.map((itemId) => this.session.items[itemId])
.filter(Boolean) as DownloadItem[];
if (items.length === 0 || !items.every((item) => item.status === "completed")) {
continue;
}
const hasExtractMarker = items.some((item) => isExtractedLabel(item.fullStatus));
const extractDirIsUnique = (extractDirUsage.get(pathKey(pkg.extractDir)) || 0) === 1;
const hasExtractedOutput = extractDirIsUnique && this.directoryHasAnyFiles(pkg.extractDir);
if (!hasExtractMarker && !hasExtractedOutput) {
continue;
}
const packageTargets = cleanupTargetsByPackage.get(packageId) ?? new Set<string>();
for (const item of items) {
const rawTargetPath = String(item.targetPath || "").trim();
const fallbackTargetPath = item.fileName ? path.join(pkg.outputDir, sanitizeFilename(item.fileName)) : "";
const targetPath = rawTargetPath || fallbackTargetPath;
if (!targetPath || !isArchiveLikePath(targetPath)) {
continue;
}
const dir = path.dirname(targetPath);
let filesInDir = dirFilesCache.get(dir);
if (!filesInDir) {
try {
filesInDir = fs.readdirSync(dir, { withFileTypes: true })
.filter((entry) => entry.isFile())
.map((entry) => entry.name);
} catch {
filesInDir = [];
}
dirFilesCache.set(dir, filesInDir);
}
for (const cleanupTarget of collectArchiveCleanupTargets(targetPath, filesInDir)) {
packageTargets.add(cleanupTarget);
}
}
if (packageTargets.size > 0) {
cleanupTargetsByPackage.set(packageId, packageTargets);
}
}
if (cleanupTargetsByPackage.size === 0) {
return;
}
this.cleanupQueue = this.cleanupQueue
.then(async () => {
for (const [packageId, targets] of cleanupTargetsByPackage.entries()) {
const pkg = this.session.packages[packageId];
if (!pkg) {
continue;
}
logger.info(`Nachträgliches Cleanup geprüft: pkg=${pkg.name}, targets=${targets.size}, marker=${pkg.itemIds.some((id) => isExtractedLabel(this.session.items[id]?.fullStatus || ""))}`);
let removed = 0;
for (const targetPath of targets) {
if (!fs.existsSync(targetPath)) {
continue;
}
try {
await fs.promises.rm(targetPath, { force: true });
removed += 1;
} catch {
// ignore
}
}
if (removed > 0) {
logger.info(`Nachträgliches Archive-Cleanup für ${pkg.name}: ${removed} Datei(en) gelöscht`);
if (!this.directoryHasAnyFiles(pkg.outputDir)) {
const removedDirs = this.removeEmptyDirectoryTree(pkg.outputDir);
if (removedDirs > 0) {
logger.info(`Nachträgliches Cleanup entfernte leere Download-Ordner für ${pkg.name}: ${removedDirs}`);
}
}
} else {
logger.info(`Nachträgliches Archive-Cleanup für ${pkg.name}: keine Dateien entfernt`);
}
}
})
.catch((error) => {
logger.warn(`Nachträgliches Archive-Cleanup fehlgeschlagen: ${compactErrorText(error)}`);
});
}
private directoryHasAnyFiles(rootDir: string): boolean {
if (!rootDir || !fs.existsSync(rootDir)) {
return false;
}
const deadline = nowMs() + 55;
let inspectedDirs = 0;
const stack = [rootDir];
while (stack.length > 0) {
inspectedDirs += 1;
if (inspectedDirs > 6000 || nowMs() > deadline) {
return true;
}
const current = stack.pop() as string;
let entries: fs.Dirent[] = [];
try {
entries = fs.readdirSync(current, { withFileTypes: true });
} catch {
continue;
}
for (const entry of entries) {
if (entry.isFile()) {
return true;
}
if (entry.isDirectory()) {
stack.push(path.join(current, entry.name));
}
}
}
return false;
}
private removeEmptyDirectoryTree(rootDir: string): number {
if (!rootDir || !fs.existsSync(rootDir)) {
return 0;
}
const dirs = [rootDir];
const stack = [rootDir];
while (stack.length > 0) {
const current = stack.pop() as string;
let entries: fs.Dirent[] = [];
try {
entries = fs.readdirSync(current, { withFileTypes: true });
} catch {
continue;
}
for (const entry of entries) {
if (entry.isDirectory()) {
const full = path.join(current, entry.name);
dirs.push(full);
stack.push(full);
}
}
}
dirs.sort((a, b) => b.length - a.length);
let removed = 0;
for (const dirPath of dirs) {
try {
const entries = fs.readdirSync(dirPath);
if (entries.length === 0) {
fs.rmdirSync(dirPath);
removed += 1;
}
} catch {
// ignore
}
}
return removed;
}
private collectVideoFiles(rootDir: string): string[] {
if (!rootDir || !fs.existsSync(rootDir)) {
return [];
}
const files: string[] = [];
const stack = [rootDir];
while (stack.length > 0) {
const current = stack.pop() as string;
let entries: fs.Dirent[] = [];
try {
entries = fs.readdirSync(current, { withFileTypes: true });
} catch {
continue;
}
for (const entry of entries) {
const fullPath = path.join(current, entry.name);
if (entry.isDirectory()) {
stack.push(fullPath);
continue;
}
if (!entry.isFile()) {
continue;
}
const extension = path.extname(entry.name).toLowerCase();
if (!SAMPLE_VIDEO_EXTENSIONS.has(extension)) {
continue;
}
files.push(fullPath);
}
}
return files;
}
private autoRenameExtractedVideoFiles(extractDir: string): number {
if (!this.settings.autoRename4sf4sj) {
return 0;
}
const videoFiles = this.collectVideoFiles(extractDir);
let renamed = 0;
for (const sourcePath of videoFiles) {
const sourceName = path.basename(sourcePath);
const sourceExt = path.extname(sourceName);
const sourceBaseName = path.basename(sourceName, sourceExt);
const folderName = path.basename(path.dirname(sourcePath));
const targetBaseName = buildAutoRenameBaseName(folderName, sourceBaseName);
if (!targetBaseName) {
continue;
}
const targetPath = path.join(path.dirname(sourcePath), `${targetBaseName}${sourceExt}`);
if (pathKey(targetPath) === pathKey(sourcePath)) {
continue;
}
if (fs.existsSync(targetPath)) {
logger.warn(`Auto-Rename übersprungen (Ziel existiert): ${targetPath}`);
continue;
}
try {
fs.renameSync(sourcePath, targetPath);
renamed += 1;
} catch (error) {
logger.warn(`Auto-Rename fehlgeschlagen (${sourceName}): ${compactErrorText(error)}`);
}
}
if (renamed > 0) {
logger.info(`Auto-Rename (4SF/4SJ): ${renamed} Datei(en) umbenannt`);
}
return renamed;
}
public cancelPackage(packageId: string): void {
const pkg = this.session.packages[packageId];
if (!pkg) {
return;
}
const packageName = pkg.name;
const outputDir = pkg.outputDir;
const itemIds = [...pkg.itemIds];
for (const itemId of itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
this.recordRunOutcome(itemId, "cancelled");
const active = this.activeTasks.get(itemId);
if (active) {
active.abortReason = "cancel";
active.abortController.abort("cancel");
}
}
this.removePackageFromSession(packageId, itemIds);
this.persistSoon();
this.emitState(true);
this.cleanupQueue = this.cleanupQueue
.then(async () => {
const removed = await cleanupCancelledPackageArtifactsAsync(outputDir);
logger.info(`Paket ${packageName} abgebrochen, ${removed} Artefakte gelöscht`);
})
.catch((error) => {
logger.warn(`Cleanup für Paket ${packageName} fehlgeschlagen: ${compactErrorText(error)}`);
});
}
public start(): void {
if (this.session.running) {
return;
}
const recoveredItems = this.recoverRetryableItems("start");
if (recoveredItems > 0) {
this.persistSoon();
this.emitState(true);
}
this.triggerPendingExtractions();
const runItems = Object.values(this.session.items)
.filter((item) => {
if (item.status !== "queued" && item.status !== "reconnect_wait") {
return false;
}
const pkg = this.session.packages[item.packageId];
return Boolean(pkg && !pkg.cancelled && pkg.enabled);
});
if (runItems.length === 0) {
this.runItemIds.clear();
this.runPackageIds.clear();
this.runOutcomes.clear();
this.runCompletedPackages.clear();
this.reservedTargetPaths.clear();
this.claimedTargetPathByItem.clear();
this.session.running = false;
this.session.paused = false;
this.session.runStartedAt = 0;
this.session.totalDownloadedBytes = 0;
this.session.summaryText = "";
this.session.reconnectUntil = 0;
this.session.reconnectReason = "";
this.speedEvents = [];
this.speedBytesLastWindow = 0;
this.lastGlobalProgressBytes = 0;
this.lastGlobalProgressAt = nowMs();
this.summary = null;
this.persistSoon();
this.emitState(true);
return;
}
this.runItemIds = new Set(runItems.map((item) => item.id));
this.runPackageIds = new Set(runItems.map((item) => item.packageId));
this.runOutcomes.clear();
this.runCompletedPackages.clear();
this.session.running = true;
this.session.paused = false;
this.session.runStartedAt = nowMs();
this.session.totalDownloadedBytes = 0;
this.session.summaryText = "";
this.session.reconnectUntil = 0;
this.session.reconnectReason = "";
this.lastReconnectMarkAt = 0;
this.speedEvents = [];
this.speedBytesLastWindow = 0;
this.lastGlobalProgressBytes = 0;
this.lastGlobalProgressAt = nowMs();
this.summary = null;
this.persistSoon();
this.emitState(true);
this.ensureScheduler();
}
public stop(): void {
this.session.running = false;
this.session.paused = false;
this.session.reconnectUntil = 0;
this.session.reconnectReason = "";
this.lastGlobalProgressBytes = this.session.totalDownloadedBytes;
this.lastGlobalProgressAt = nowMs();
this.abortPostProcessing("stop");
for (const active of this.activeTasks.values()) {
active.abortReason = "stop";
active.abortController.abort("stop");
}
this.persistSoon();
this.emitState(true);
}
public prepareForShutdown(): void {
logger.info(`Shutdown-Vorbereitung gestartet: active=${this.activeTasks.size}, running=${this.session.running}, paused=${this.session.paused}`);
this.session.running = false;
this.session.paused = false;
this.session.reconnectUntil = 0;
this.session.reconnectReason = "";
this.lastGlobalProgressBytes = this.session.totalDownloadedBytes;
this.lastGlobalProgressAt = nowMs();
this.abortPostProcessing("shutdown");
let requeuedItems = 0;
for (const active of this.activeTasks.values()) {
const item = this.session.items[active.itemId];
if (item && !isFinishedStatus(item.status)) {
item.status = "queued";
item.speedBps = 0;
const pkg = this.session.packages[item.packageId];
item.fullStatus = pkg && !pkg.enabled ? "Paket gestoppt" : "Wartet";
item.updatedAt = nowMs();
requeuedItems += 1;
}
active.abortReason = "shutdown";
active.abortController.abort("shutdown");
}
for (const pkg of Object.values(this.session.packages)) {
if (pkg.status === "downloading"
|| pkg.status === "validating"
|| pkg.status === "extracting"
|| pkg.status === "integrity_check"
|| pkg.status === "paused"
|| pkg.status === "reconnect_wait") {
pkg.status = pkg.enabled ? "queued" : "paused";
pkg.updatedAt = nowMs();
}
}
for (const item of Object.values(this.session.items)) {
if (item.status === "completed" && /^Entpacken/i.test(item.fullStatus || "")) {
item.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
item.updatedAt = nowMs();
const pkg = this.session.packages[item.packageId];
if (pkg) {
pkg.status = pkg.enabled ? "queued" : "paused";
pkg.updatedAt = nowMs();
}
}
}
this.speedEvents = [];
this.speedBytesLastWindow = 0;
this.runItemIds.clear();
this.runPackageIds.clear();
this.runOutcomes.clear();
this.runCompletedPackages.clear();
this.session.summaryText = "";
this.persistNow();
this.emitState(true);
logger.info(`Shutdown-Vorbereitung beendet: requeued=${requeuedItems}`);
}
public togglePause(): boolean {
if (!this.session.running) {
return false;
}
this.session.paused = !this.session.paused;
this.persistSoon();
this.emitState(true);
return this.session.paused;
}
private normalizeSessionStatuses(): void {
this.session.running = false;
this.session.paused = false;
this.session.reconnectUntil = 0;
this.session.reconnectReason = "";
for (const item of Object.values(this.session.items)) {
if (item.provider !== "realdebrid" && item.provider !== "megadebrid" && item.provider !== "bestdebrid" && item.provider !== "alldebrid") {
item.provider = null;
}
if (item.status === "cancelled" && item.fullStatus === "Gestoppt") {
item.status = "queued";
item.fullStatus = "Wartet";
item.lastError = "";
item.speedBps = 0;
continue;
}
if (item.status === "downloading"
|| item.status === "validating"
|| item.status === "extracting"
|| item.status === "integrity_check"
|| item.status === "paused"
|| item.status === "reconnect_wait") {
item.status = "queued";
item.speedBps = 0;
}
}
for (const pkg of Object.values(this.session.packages)) {
if (pkg.enabled === undefined) {
pkg.enabled = true;
}
if (pkg.status === "downloading"
|| pkg.status === "validating"
|| pkg.status === "extracting"
|| pkg.status === "integrity_check"
|| pkg.status === "paused"
|| pkg.status === "reconnect_wait") {
pkg.status = "queued";
}
const items = pkg.itemIds
.map((itemId) => this.session.items[itemId])
.filter(Boolean) as DownloadItem[];
if (items.length === 0) {
continue;
}
const hasPending = items.some((item) => (
item.status === "queued"
|| item.status === "reconnect_wait"
|| item.status === "validating"
|| item.status === "downloading"
|| item.status === "paused"
|| item.status === "extracting"
|| item.status === "integrity_check"
));
if (hasPending) {
pkg.status = pkg.enabled ? "queued" : "paused";
continue;
}
const success = items.filter((item) => item.status === "completed").length;
const failed = items.filter((item) => item.status === "failed").length;
const cancelled = items.filter((item) => item.status === "cancelled").length;
if (failed > 0) {
pkg.status = "failed";
} else if (cancelled > 0 && success === 0) {
pkg.status = "cancelled";
} else if (success > 0) {
pkg.status = "completed";
}
}
this.persistSoon();
}
private applyOnStartCleanupPolicy(): void {
if (this.settings.completedCleanupPolicy !== "on_start") {
return;
}
for (const pkgId of [...this.session.packageOrder]) {
const pkg = this.session.packages[pkgId];
if (!pkg) {
continue;
}
pkg.itemIds = pkg.itemIds.filter((itemId) => {
const item = this.session.items[itemId];
if (!item) {
return false;
}
if (item.status === "completed") {
delete this.session.items[itemId];
return false;
}
return true;
});
if (pkg.itemIds.length === 0) {
delete this.session.packages[pkgId];
this.session.packageOrder = this.session.packageOrder.filter((id) => id !== pkgId);
}
}
}
private persistSoon(): void {
if (this.persistTimer) {
return;
}
const itemCount = Object.keys(this.session.items).length;
const minGapMs = this.session.running
? itemCount >= 1500
? 3000
: itemCount >= 700
? 2200
: itemCount >= 250
? 1500
: 700
: 300;
const sinceLastPersist = nowMs() - this.lastPersistAt;
const delay = Math.max(120, minGapMs - sinceLastPersist);
this.persistTimer = setTimeout(() => {
this.persistTimer = null;
this.persistNow();
}, delay);
}
private persistNow(): void {
this.lastPersistAt = nowMs();
if (this.session.running) {
void saveSessionAsync(this.storagePaths, this.session);
} else {
saveSession(this.storagePaths, this.session);
}
}
private emitState(force = false): void {
if (force) {
if (this.stateEmitTimer) {
clearTimeout(this.stateEmitTimer);
this.stateEmitTimer = null;
}
this.emit("state", this.getSnapshot());
return;
}
if (this.stateEmitTimer) {
return;
}
const itemCount = Object.keys(this.session.items).length;
const emitDelay = this.session.running
? itemCount >= 1500
? 1200
: itemCount >= 700
? 900
: itemCount >= 250
? 560
: 320
: 260;
this.stateEmitTimer = setTimeout(() => {
this.stateEmitTimer = null;
this.emit("state", this.getSnapshot());
}, emitDelay);
}
private speedEventsHead = 0;
private pruneSpeedEvents(now: number): void {
const cutoff = now - 3000;
while (this.speedEventsHead < this.speedEvents.length && this.speedEvents[this.speedEventsHead].at < cutoff) {
this.speedBytesLastWindow = Math.max(0, this.speedBytesLastWindow - this.speedEvents[this.speedEventsHead].bytes);
this.speedEventsHead += 1;
}
if (this.speedEventsHead > 50) {
this.speedEvents = this.speedEvents.slice(this.speedEventsHead);
this.speedEventsHead = 0;
}
}
private lastSpeedPruneAt = 0;
private recordSpeed(bytes: number): void {
const now = nowMs();
const bucket = now - (now % 120);
const last = this.speedEvents[this.speedEvents.length - 1];
if (last && last.at === bucket) {
last.bytes += bytes;
} else {
this.speedEvents.push({ at: bucket, bytes });
}
this.speedBytesLastWindow += bytes;
if (now - this.lastSpeedPruneAt >= 1500) {
this.pruneSpeedEvents(now);
this.lastSpeedPruneAt = now;
}
}
private recordRunOutcome(itemId: string, status: "completed" | "failed" | "cancelled"): void {
if (!this.runItemIds.has(itemId)) {
return;
}
this.runOutcomes.set(itemId, status);
}
private claimTargetPath(itemId: string, preferredPath: string, allowExistingFile = false): string {
const existingClaim = this.claimedTargetPathByItem.get(itemId);
if (existingClaim) {
const owner = this.reservedTargetPaths.get(pathKey(existingClaim));
if (owner === itemId) {
return existingClaim;
}
this.claimedTargetPathByItem.delete(itemId);
}
const parsed = path.parse(preferredPath);
const maxIndex = 10000;
for (let index = 0; index <= maxIndex; index += 1) {
const candidate = index === 0
? preferredPath
: path.join(parsed.dir, `${parsed.name} (${index})${parsed.ext}`);
const key = pathKey(candidate);
const owner = this.reservedTargetPaths.get(key);
const existsOnDisk = fs.existsSync(candidate);
const allowExistingCandidate = allowExistingFile && index === 0;
if ((!owner || owner === itemId) && (owner === itemId || !existsOnDisk || allowExistingCandidate)) {
this.reservedTargetPaths.set(key, itemId);
this.claimedTargetPathByItem.set(itemId, candidate);
return candidate;
}
}
logger.error(`claimTargetPath: Limit erreicht für ${preferredPath}`);
this.reservedTargetPaths.set(pathKey(preferredPath), itemId);
this.claimedTargetPathByItem.set(itemId, preferredPath);
return preferredPath;
}
private releaseTargetPath(itemId: string): void {
const claimedPath = this.claimedTargetPathByItem.get(itemId);
if (!claimedPath) {
return;
}
const key = pathKey(claimedPath);
const owner = this.reservedTargetPaths.get(key);
if (owner === itemId) {
this.reservedTargetPaths.delete(key);
}
this.claimedTargetPathByItem.delete(itemId);
}
private abortPostProcessing(reason: string): void {
for (const [packageId, controller] of this.packagePostProcessAbortControllers.entries()) {
if (!controller.signal.aborted) {
controller.abort(reason);
}
const pkg = this.session.packages[packageId];
if (!pkg) {
continue;
}
if (pkg.status === "extracting" || pkg.status === "integrity_check") {
pkg.status = pkg.enabled ? "queued" : "paused";
pkg.updatedAt = nowMs();
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item || item.status !== "completed") {
continue;
}
if (/^Entpacken/i.test(item.fullStatus || "")) {
item.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
item.updatedAt = nowMs();
}
}
}
}
private runPackagePostProcessing(packageId: string): Promise<void> {
const existing = this.packagePostProcessTasks.get(packageId);
if (existing) {
return existing;
}
const abortController = new AbortController();
this.packagePostProcessAbortControllers.set(packageId, abortController);
const task = this.packagePostProcessQueue
.catch(() => undefined)
.then(async () => {
await this.handlePackagePostProcessing(packageId, abortController.signal);
})
.catch((error) => {
logger.warn(`Post-Processing für Paket fehlgeschlagen: ${compactErrorText(error)}`);
})
.finally(() => {
this.packagePostProcessTasks.delete(packageId);
this.packagePostProcessAbortControllers.delete(packageId);
this.persistSoon();
this.emitState();
});
this.packagePostProcessTasks.set(packageId, task);
this.packagePostProcessQueue = task;
return task;
}
private recoverPostProcessingOnStartup(): void {
const packageIds = [...this.session.packageOrder];
if (packageIds.length === 0) {
return;
}
let changed = false;
for (const packageId of packageIds) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled) {
continue;
}
const items = pkg.itemIds.map((id) => this.session.items[id]).filter(Boolean) as DownloadItem[];
if (items.length === 0) {
continue;
}
const success = items.filter((item) => item.status === "completed").length;
const failed = items.filter((item) => item.status === "failed").length;
const cancelled = items.filter((item) => item.status === "cancelled").length;
if (success + failed + cancelled < items.length) {
continue;
}
if (this.settings.autoExtract && failed === 0 && success > 0) {
const needsPostProcess = pkg.status !== "completed"
|| items.some((item) => item.status === "completed" && !isExtractedLabel(item.fullStatus));
if (needsPostProcess) {
pkg.status = "queued";
pkg.updatedAt = nowMs();
for (const item of items) {
if (item.status === "completed" && !isExtractedLabel(item.fullStatus)) {
item.fullStatus = "Entpacken ausstehend";
item.updatedAt = nowMs();
}
}
changed = true;
void this.runPackagePostProcessing(packageId);
} else if (pkg.status !== "completed") {
pkg.status = "completed";
pkg.updatedAt = nowMs();
changed = true;
}
continue;
}
const targetStatus = failed > 0 ? "failed" : cancelled > 0 && success === 0 ? "cancelled" : "completed";
if (pkg.status !== targetStatus) {
pkg.status = targetStatus;
pkg.updatedAt = nowMs();
changed = true;
}
}
if (changed) {
this.persistSoon();
this.emitState();
}
}
private triggerPendingExtractions(): void {
if (!this.settings.autoExtract) {
return;
}
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
if (this.packagePostProcessTasks.has(packageId)) {
continue;
}
const items = pkg.itemIds.map((id) => this.session.items[id]).filter(Boolean) as DownloadItem[];
if (items.length === 0) {
continue;
}
const success = items.filter((item) => item.status === "completed").length;
const failed = items.filter((item) => item.status === "failed").length;
const cancelled = items.filter((item) => item.status === "cancelled").length;
if (success + failed + cancelled < items.length || failed > 0 || success === 0) {
continue;
}
const needsExtraction = items.some((item) =>
item.status === "completed" && !isExtractedLabel(item.fullStatus)
);
if (!needsExtraction) {
continue;
}
pkg.status = "queued";
pkg.updatedAt = nowMs();
for (const item of items) {
if (item.status === "completed" && !isExtractedLabel(item.fullStatus)) {
item.fullStatus = "Entpacken ausstehend";
item.updatedAt = nowMs();
}
}
logger.info(`Entpacken via Start ausgelöst: pkg=${pkg.name}`);
void this.runPackagePostProcessing(packageId);
}
}
private removePackageFromSession(packageId: string, itemIds: string[]): void {
for (const itemId of itemIds) {
delete this.session.items[itemId];
}
delete this.session.packages[packageId];
this.session.packageOrder = this.session.packageOrder.filter((id) => id !== packageId);
this.runPackageIds.delete(packageId);
this.runCompletedPackages.delete(packageId);
}
private async ensureScheduler(): Promise<void> {
if (this.scheduleRunning) {
return;
}
this.scheduleRunning = true;
logger.info("Scheduler gestartet");
try {
while (this.session.running) {
const now = nowMs();
if (now - this.lastSchedulerHeartbeatAt >= 60000) {
this.lastSchedulerHeartbeatAt = now;
logger.info(`Scheduler Heartbeat: active=${this.activeTasks.size}, queued=${this.countQueuedItems()}, reconnect=${this.reconnectActive()}, paused=${this.session.paused}, postProcess=${this.packagePostProcessTasks.size}`);
}
if (this.session.paused) {
await sleep(120);
continue;
}
if (this.reconnectActive() && (this.nonResumableActive > 0 || this.activeTasks.size === 0)) {
const markNow = nowMs();
if (markNow - this.lastReconnectMarkAt >= 900) {
this.lastReconnectMarkAt = markNow;
const changed = this.markQueuedAsReconnectWait();
if (!changed) {
this.emitState();
}
}
await sleep(220);
continue;
}
while (this.activeTasks.size < Math.max(1, this.settings.maxParallel)) {
const next = this.findNextQueuedItem();
if (!next) {
break;
}
this.startItem(next.packageId, next.itemId);
}
this.runGlobalStallWatchdog(now);
if (this.activeTasks.size === 0 && !this.hasQueuedItems() && this.packagePostProcessTasks.size === 0) {
this.finishRun();
break;
}
const maxParallel = Math.max(1, this.settings.maxParallel);
const schedulerSleepMs = this.activeTasks.size >= maxParallel ? 170 : 120;
await sleep(schedulerSleepMs);
}
} finally {
this.scheduleRunning = false;
logger.info("Scheduler beendet");
}
}
private reconnectActive(): boolean {
return this.session.reconnectUntil > nowMs();
}
private runGlobalStallWatchdog(now: number): void {
const timeoutMs = getGlobalStallWatchdogTimeoutMs();
if (timeoutMs <= 0) {
return;
}
if (!this.session.running || this.session.paused || this.reconnectActive()) {
this.lastGlobalProgressBytes = this.session.totalDownloadedBytes;
this.lastGlobalProgressAt = now;
return;
}
if (this.session.totalDownloadedBytes !== this.lastGlobalProgressBytes) {
this.lastGlobalProgressBytes = this.session.totalDownloadedBytes;
this.lastGlobalProgressAt = now;
return;
}
if (now - this.lastGlobalProgressAt < timeoutMs) {
return;
}
const stalled = Array.from(this.activeTasks.values()).filter((active) => {
if (active.abortController.signal.aborted) {
return false;
}
const item = this.session.items[active.itemId];
return Boolean(item && item.status === "downloading");
});
if (stalled.length === 0) {
this.lastGlobalProgressAt = now;
return;
}
logger.warn(`Globaler Download-Stall erkannt (${Math.floor((now - this.lastGlobalProgressAt) / 1000)}s ohne Fortschritt), ${stalled.length} Task(s) neu starten`);
for (const active of stalled) {
if (active.abortController.signal.aborted) {
continue;
}
active.abortReason = "stall";
active.abortController.abort("stall");
}
this.lastGlobalProgressAt = now;
}
private requestReconnect(reason: string): void {
if (!this.settings.autoReconnect) {
return;
}
const until = nowMs() + this.settings.reconnectWaitSeconds * 1000;
this.session.reconnectUntil = Math.max(this.session.reconnectUntil, until);
this.session.reconnectReason = reason;
this.lastReconnectMarkAt = 0;
for (const active of this.activeTasks.values()) {
if (active.resumable) {
active.abortReason = "reconnect";
active.abortController.abort("reconnect");
}
}
logger.warn(`Reconnect angefordert: ${reason}`);
this.emitState();
}
private markQueuedAsReconnectWait(): boolean {
let changed = false;
for (const item of Object.values(this.session.items)) {
const pkg = this.session.packages[item.packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
if (item.status === "queued") {
item.status = "reconnect_wait";
item.fullStatus = `Reconnect-Wait (${Math.ceil((this.session.reconnectUntil - nowMs()) / 1000)}s)`;
item.updatedAt = nowMs();
changed = true;
}
}
if (changed) {
this.emitState();
}
return changed;
}
private findNextQueuedItem(): { packageId: string; itemId: string } | null {
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (item.status === "queued" || item.status === "reconnect_wait") {
return { packageId, itemId };
}
}
}
return null;
}
private hasQueuedItems(): boolean {
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (item.status === "queued" || item.status === "reconnect_wait") {
return true;
}
}
}
return false;
}
private countQueuedItems(): number {
let count = 0;
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled || !pkg.enabled) {
continue;
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
if (item.status === "queued" || item.status === "reconnect_wait") {
count += 1;
}
}
}
return count;
}
private startItem(packageId: string, itemId: string): void {
const item = this.session.items[itemId];
const pkg = this.session.packages[packageId];
if (!item || !pkg || pkg.cancelled || !pkg.enabled) {
return;
}
if (this.activeTasks.has(itemId)) {
return;
}
item.status = "validating";
item.fullStatus = "Link wird umgewandelt";
item.updatedAt = nowMs();
pkg.status = "downloading";
pkg.updatedAt = nowMs();
const active: ActiveTask = {
itemId,
packageId,
abortController: new AbortController(),
abortReason: "none",
resumable: true,
speedEvents: [],
nonResumableCounted: false
};
this.activeTasks.set(itemId, active);
this.emitState();
void this.processItem(active).finally(() => {
this.releaseTargetPath(item.id);
if (active.nonResumableCounted) {
this.nonResumableActive = Math.max(0, this.nonResumableActive - 1);
}
this.activeTasks.delete(itemId);
this.persistSoon();
this.emitState();
});
}
private async processItem(active: ActiveTask): Promise<void> {
const item = this.session.items[active.itemId];
const pkg = this.session.packages[active.packageId];
if (!item || !pkg) {
return;
}
let freshRetryUsed = false;
let stallRetries = 0;
let genericErrorRetries = 0;
let unrestrictRetries = 0;
const maxGenericErrorRetries = Math.max(2, REQUEST_RETRIES);
const maxUnrestrictRetries = Math.max(3, REQUEST_RETRIES);
while (true) {
try {
const unrestricted = await this.debridService.unrestrictLink(item.url);
item.provider = unrestricted.provider;
item.retries += unrestricted.retriesUsed;
item.fileName = sanitizeFilename(unrestricted.fileName || filenameFromUrl(item.url));
try {
fs.mkdirSync(pkg.outputDir, { recursive: true });
} catch (mkdirError) {
throw new Error(`Zielordner kann nicht erstellt werden: ${compactErrorText(mkdirError)}`);
}
const existingTargetPath = String(item.targetPath || "").trim();
const canReuseExistingTarget = existingTargetPath
&& isPathInsideDir(existingTargetPath, pkg.outputDir)
&& (item.downloadedBytes > 0 || fs.existsSync(existingTargetPath));
const preferredTargetPath = canReuseExistingTarget
? existingTargetPath
: path.join(pkg.outputDir, item.fileName);
item.targetPath = this.claimTargetPath(item.id, preferredTargetPath, Boolean(canReuseExistingTarget));
item.totalBytes = unrestricted.fileSize;
item.status = "downloading";
item.fullStatus = `Download läuft (${unrestricted.providerLabel})`;
item.updatedAt = nowMs();
this.emitState();
const maxAttempts = REQUEST_RETRIES;
let done = false;
while (!done && item.attempts < maxAttempts) {
item.attempts += 1;
const result = await this.downloadToFile(active, unrestricted.directUrl, item.targetPath, item.totalBytes);
active.resumable = result.resumable;
if (!active.resumable && !active.nonResumableCounted) {
active.nonResumableCounted = true;
this.nonResumableActive += 1;
}
if (this.settings.enableIntegrityCheck) {
item.status = "integrity_check";
item.fullStatus = "CRC-Check läuft";
item.updatedAt = nowMs();
this.emitState();
const validation = await validateFileAgainstManifest(item.targetPath, pkg.outputDir);
if (!validation.ok) {
item.lastError = validation.message;
item.fullStatus = `${validation.message}, Neuversuch`;
try {
fs.rmSync(item.targetPath, { force: true });
} catch {
// ignore
}
if (item.attempts < maxAttempts) {
item.status = "queued";
item.progressPercent = 0;
item.downloadedBytes = 0;
item.totalBytes = unrestricted.fileSize;
this.emitState();
await sleep(300);
continue;
}
throw new Error(`Integritätsprüfung fehlgeschlagen (${validation.message})`);
}
}
const finalTargetPath = String(item.targetPath || "").trim();
const fileSizeOnDisk = finalTargetPath && fs.existsSync(finalTargetPath)
? fs.statSync(finalTargetPath).size
: item.downloadedBytes;
const expectsNonEmptyFile = (item.totalBytes || 0) > 0 || isArchiveLikePath(finalTargetPath || item.fileName);
if (expectsNonEmptyFile && fileSizeOnDisk <= 0) {
try {
fs.rmSync(finalTargetPath, { force: true });
} catch {
// ignore
}
this.releaseTargetPath(item.id);
item.downloadedBytes = 0;
item.progressPercent = 0;
item.totalBytes = (item.totalBytes || 0) > 0 ? item.totalBytes : null;
item.speedBps = 0;
item.updatedAt = nowMs();
throw new Error("Leere Datei erkannt (0 B)");
}
done = true;
}
item.status = "completed";
item.fullStatus = `Fertig (${humanSize(item.downloadedBytes)})`;
item.progressPercent = 100;
item.speedBps = 0;
item.updatedAt = nowMs();
pkg.updatedAt = nowMs();
this.recordRunOutcome(item.id, "completed");
void this.runPackagePostProcessing(pkg.id).finally(() => {
this.applyCompletedCleanupPolicy(pkg.id, item.id);
this.persistSoon();
this.emitState();
});
this.persistSoon();
this.emitState();
return;
} catch (error) {
const reason = active.abortReason;
if (reason === "cancel") {
item.status = "cancelled";
item.fullStatus = "Entfernt";
this.recordRunOutcome(item.id, "cancelled");
try {
fs.rmSync(item.targetPath, { force: true });
} catch {
// ignore
}
} else if (reason === "stop") {
item.status = "cancelled";
item.fullStatus = "Gestoppt";
this.recordRunOutcome(item.id, "cancelled");
try {
fs.rmSync(item.targetPath, { force: true });
} catch {
// ignore
}
} else if (reason === "shutdown") {
item.status = "queued";
item.speedBps = 0;
const activePkg = this.session.packages[item.packageId];
item.fullStatus = activePkg && !activePkg.enabled ? "Paket gestoppt" : "Wartet";
} else if (reason === "reconnect") {
item.status = "queued";
item.fullStatus = "Wartet auf Reconnect";
} else if (reason === "package_toggle") {
item.status = "queued";
item.speedBps = 0;
item.fullStatus = "Paket gestoppt";
} else if (reason === "stall") {
stallRetries += 1;
if (stallRetries <= 2) {
item.retries += 1;
item.status = "queued";
item.speedBps = 0;
item.fullStatus = `Keine Daten empfangen, Retry ${stallRetries}/2`;
item.lastError = "";
item.attempts = 0;
item.updatedAt = nowMs();
active.abortController = new AbortController();
active.abortReason = "none";
this.persistSoon();
this.emitState();
await sleep(350 * stallRetries);
continue;
}
item.status = "failed";
item.lastError = "Download hing wiederholt";
item.fullStatus = `Fehler: ${item.lastError}`;
this.recordRunOutcome(item.id, "failed");
} else {
const errorText = compactErrorText(error);
const shouldFreshRetry = !freshRetryUsed && isFetchFailure(errorText);
const isHttp416 = /(^|\D)416(\D|$)/.test(errorText);
if (isHttp416) {
try {
fs.rmSync(item.targetPath, { force: true });
} catch {
// ignore
}
this.releaseTargetPath(item.id);
item.downloadedBytes = 0;
item.totalBytes = null;
item.progressPercent = 0;
}
if (shouldFreshRetry) {
freshRetryUsed = true;
item.retries += 1;
try {
fs.rmSync(item.targetPath, { force: true });
} catch {
// ignore
}
this.releaseTargetPath(item.id);
item.status = "queued";
item.fullStatus = "Netzwerkfehler erkannt, frischer Retry";
item.lastError = "";
item.attempts = 0;
item.downloadedBytes = 0;
item.totalBytes = null;
item.progressPercent = 0;
item.speedBps = 0;
item.updatedAt = nowMs();
this.persistSoon();
this.emitState();
await sleep(450);
continue;
}
if (isUnrestrictFailure(errorText) && unrestrictRetries < maxUnrestrictRetries) {
unrestrictRetries += 1;
item.retries += 1;
item.status = "queued";
item.fullStatus = `Unrestrict-Fehler, Retry ${unrestrictRetries}/${maxUnrestrictRetries}`;
item.lastError = errorText;
item.attempts = 0;
item.speedBps = 0;
item.updatedAt = nowMs();
active.abortController = new AbortController();
active.abortReason = "none";
this.persistSoon();
this.emitState();
await sleep(Math.min(8000, 2000 * unrestrictRetries));
continue;
}
if (genericErrorRetries < maxGenericErrorRetries) {
genericErrorRetries += 1;
item.retries += 1;
item.status = "queued";
item.fullStatus = `Fehler erkannt, Auto-Retry ${genericErrorRetries}/${maxGenericErrorRetries}`;
item.lastError = errorText;
item.attempts = 0;
item.speedBps = 0;
item.updatedAt = nowMs();
active.abortController = new AbortController();
active.abortReason = "none";
this.persistSoon();
this.emitState();
await sleep(Math.min(1200, 300 * genericErrorRetries));
continue;
}
item.status = "failed";
this.recordRunOutcome(item.id, "failed");
item.lastError = errorText;
item.fullStatus = `Fehler: ${item.lastError}`;
}
item.speedBps = 0;
item.updatedAt = nowMs();
this.persistSoon();
this.emitState();
return;
}
}
}
private async downloadToFile(
active: ActiveTask,
directUrl: string,
targetPath: string,
knownTotal: number | null
): Promise<{ resumable: boolean }> {
const item = this.session.items[active.itemId];
if (!item) {
throw new Error("Download-Item fehlt");
}
let lastError = "";
let effectiveTargetPath = targetPath;
for (let attempt = 1; attempt <= REQUEST_RETRIES; attempt += 1) {
let existingBytes = 0;
try {
const stat = await fs.promises.stat(effectiveTargetPath);
existingBytes = stat.size;
} catch {
// file does not exist
}
const headers: Record<string, string> = {};
if (existingBytes > 0) {
headers.Range = `bytes=${existingBytes}-`;
}
while (this.reconnectActive()) {
if (active.abortController.signal.aborted) {
throw new Error(`aborted:${active.abortReason}`);
}
await sleep(250);
}
let response: Response;
const connectTimeoutMs = getDownloadConnectTimeoutMs();
let connectTimer: NodeJS.Timeout | null = null;
try {
if (connectTimeoutMs > 0) {
connectTimer = setTimeout(() => {
if (active.abortController.signal.aborted) {
return;
}
active.abortReason = "stall";
active.abortController.abort("stall");
}, connectTimeoutMs);
}
response = await fetch(directUrl, {
method: "GET",
headers,
signal: active.abortController.signal
});
} catch (error) {
if (active.abortController.signal.aborted || String(error).includes("aborted:")) {
throw error;
}
lastError = compactErrorText(error);
if (attempt < REQUEST_RETRIES) {
item.retries += 1;
item.fullStatus = `Verbindungsfehler, retry ${attempt + 1}/${REQUEST_RETRIES}`;
this.emitState();
await sleep(300 * attempt);
continue;
}
throw error;
} finally {
if (connectTimer) {
clearTimeout(connectTimer);
}
}
if (!response.ok) {
if (response.status === 416 && existingBytes > 0) {
const rangeTotal = parseContentRangeTotal(response.headers.get("content-range"));
const expectedTotal = knownTotal && knownTotal > 0 ? knownTotal : rangeTotal;
if (expectedTotal && existingBytes === expectedTotal) {
item.totalBytes = expectedTotal;
item.downloadedBytes = existingBytes;
item.progressPercent = 100;
item.speedBps = 0;
item.updatedAt = nowMs();
return { resumable: true };
}
try {
fs.rmSync(effectiveTargetPath, { force: true });
} catch {
// ignore
}
item.downloadedBytes = 0;
item.totalBytes = knownTotal && knownTotal > 0 ? knownTotal : null;
item.progressPercent = 0;
item.speedBps = 0;
item.fullStatus = `Range-Konflikt (HTTP 416), starte neu ${Math.min(REQUEST_RETRIES, attempt + 1)}/${REQUEST_RETRIES}`;
item.updatedAt = nowMs();
this.emitState();
if (attempt < REQUEST_RETRIES) {
item.retries += 1;
await sleep(280 * attempt);
continue;
}
}
const text = await response.text();
lastError = `HTTP ${response.status}`;
const responseText = compactErrorText(text || "");
if (responseText && responseText !== "Unbekannter Fehler" && !/(^|\b)http\s*\d{3}\b/i.test(responseText)) {
lastError = `HTTP ${response.status}: ${responseText}`;
}
if (this.settings.autoReconnect && [429, 503].includes(response.status)) {
this.requestReconnect(`HTTP ${response.status}`);
}
if (attempt < REQUEST_RETRIES) {
item.retries += 1;
item.fullStatus = `Serverfehler ${response.status}, retry ${attempt + 1}/${REQUEST_RETRIES}`;
this.emitState();
await sleep(350 * attempt);
continue;
}
throw new Error(lastError);
}
const acceptRanges = (response.headers.get("accept-ranges") || "").toLowerCase().includes("bytes");
try {
if (existingBytes === 0) {
const rawHeaderName = parseContentDispositionFilename(response.headers.get("content-disposition")).trim();
const fromHeader = rawHeaderName ? sanitizeFilename(rawHeaderName) : "";
if (fromHeader && !looksLikeOpaqueFilename(fromHeader) && fromHeader !== item.fileName) {
const pkg = this.session.packages[item.packageId];
if (pkg) {
this.releaseTargetPath(item.id);
effectiveTargetPath = this.claimTargetPath(item.id, path.join(pkg.outputDir, fromHeader));
item.fileName = fromHeader;
item.targetPath = effectiveTargetPath;
item.updatedAt = nowMs();
this.emitState();
}
}
}
const resumable = response.status === 206 || acceptRanges;
active.resumable = resumable;
const contentLength = Number(response.headers.get("content-length") || 0);
const totalFromRange = parseContentRangeTotal(response.headers.get("content-range"));
if (knownTotal && knownTotal > 0) {
item.totalBytes = knownTotal;
} else if (totalFromRange) {
item.totalBytes = totalFromRange;
} else if (contentLength > 0) {
item.totalBytes = existingBytes + contentLength;
}
const writeMode = existingBytes > 0 && response.status === 206 ? "a" : "w";
if (writeMode === "w" && existingBytes > 0) {
fs.rmSync(effectiveTargetPath, { force: true });
}
const stream = fs.createWriteStream(effectiveTargetPath, { flags: writeMode });
let written = writeMode === "a" ? existingBytes : 0;
let windowBytes = 0;
let windowStarted = nowMs();
const itemCount = Object.keys(this.session.items).length;
const uiUpdateIntervalMs = itemCount >= 1500
? 650
: itemCount >= 700
? 420
: itemCount >= 250
? 280
: 170;
let lastUiEmitAt = 0;
let lastProgressPercent = item.progressPercent;
const stallTimeoutMs = getDownloadStallTimeoutMs();
const drainTimeoutMs = Math.max(4000, Math.min(45000, stallTimeoutMs > 0 ? stallTimeoutMs : 15000));
const waitDrain = (): Promise<void> => new Promise((resolve, reject) => {
if (active.abortController.signal.aborted) {
reject(new Error(`aborted:${active.abortReason}`));
return;
}
let settled = false;
let timeoutId: NodeJS.Timeout | null = setTimeout(() => {
if (settled) {
return;
}
settled = true;
stream.off("drain", onDrain);
stream.off("error", onError);
active.abortController.signal.removeEventListener("abort", onAbort);
if (!active.abortController.signal.aborted) {
active.abortReason = "stall";
active.abortController.abort("stall");
}
reject(new Error("write_drain_timeout"));
}, drainTimeoutMs);
const cleanup = (): void => {
if (timeoutId) {
clearTimeout(timeoutId);
timeoutId = null;
}
stream.off("drain", onDrain);
stream.off("error", onError);
active.abortController.signal.removeEventListener("abort", onAbort);
};
const onDrain = (): void => {
if (settled) {
return;
}
settled = true;
cleanup();
resolve();
};
const onError = (streamError: Error): void => {
if (settled) {
return;
}
settled = true;
cleanup();
reject(streamError);
};
const onAbort = (): void => {
if (settled) {
return;
}
settled = true;
cleanup();
reject(new Error(`aborted:${active.abortReason}`));
};
stream.once("drain", onDrain);
stream.once("error", onError);
active.abortController.signal.addEventListener("abort", onAbort, { once: true });
});
try {
const body = response.body;
if (!body) {
throw new Error("Leerer Response-Body");
}
const reader = body.getReader();
let lastDataAt = nowMs();
let lastIdleEmitAt = 0;
const idlePulseMs = Math.max(1500, Math.min(3500, Math.floor(stallTimeoutMs / 4) || 2000));
const idleTimer = setInterval(() => {
if (active.abortController.signal.aborted) {
return;
}
const nowTick = nowMs();
if (nowTick - lastDataAt < idlePulseMs) {
return;
}
if (item.status === "paused") {
return;
}
item.status = "downloading";
item.speedBps = 0;
item.fullStatus = `Warte auf Daten (${providerLabel(item.provider)})`;
if (nowTick - lastIdleEmitAt >= idlePulseMs) {
item.updatedAt = nowTick;
this.emitState();
lastIdleEmitAt = nowTick;
}
}, idlePulseMs);
const readWithTimeout = async (): Promise<ReadableStreamReadResult<Uint8Array>> => {
if (stallTimeoutMs <= 0) {
return reader.read();
}
return new Promise<ReadableStreamReadResult<Uint8Array>>((resolve, reject) => {
let settled = false;
const timer = setTimeout(() => {
if (settled) {
return;
}
settled = true;
active.abortReason = "stall";
active.abortController.abort("stall");
reject(new Error("stall_timeout"));
}, stallTimeoutMs);
reader.read().then((result) => {
if (settled) {
return;
}
settled = true;
clearTimeout(timer);
resolve(result);
}).catch((error) => {
if (settled) {
return;
}
settled = true;
clearTimeout(timer);
reject(error);
});
});
};
try {
while (true) {
const { done, value } = await readWithTimeout();
if (done) {
break;
}
const chunk = value;
lastDataAt = nowMs();
if (active.abortController.signal.aborted) {
throw new Error(`aborted:${active.abortReason}`);
}
while (this.session.paused && this.session.running && !active.abortController.signal.aborted) {
item.status = "paused";
item.fullStatus = "Pausiert";
this.emitState();
await sleep(120);
}
if (active.abortController.signal.aborted) {
throw new Error(`aborted:${active.abortReason}`);
}
if (this.reconnectActive() && active.resumable) {
active.abortReason = "reconnect";
active.abortController.abort("reconnect");
throw new Error("aborted:reconnect");
}
const buffer = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength);
await this.applySpeedLimit(buffer.length, windowBytes, windowStarted);
if (active.abortController.signal.aborted) {
throw new Error(`aborted:${active.abortReason}`);
}
if (!stream.write(buffer)) {
await waitDrain();
}
written += buffer.length;
windowBytes += buffer.length;
this.session.totalDownloadedBytes += buffer.length;
this.recordSpeed(buffer.length);
const elapsed = Math.max((nowMs() - windowStarted) / 1000, 0.1);
const speed = windowBytes / elapsed;
if (elapsed >= 1.2) {
windowStarted = nowMs();
windowBytes = 0;
}
item.status = "downloading";
item.speedBps = Math.max(0, Math.floor(speed));
item.downloadedBytes = written;
item.progressPercent = item.totalBytes ? Math.max(0, Math.min(100, Math.floor((written / item.totalBytes) * 100))) : 0;
item.fullStatus = `Download läuft (${providerLabel(item.provider)})`;
const nowTick = nowMs();
const progressChanged = item.progressPercent !== lastProgressPercent;
if (progressChanged || nowTick - lastUiEmitAt >= uiUpdateIntervalMs) {
item.updatedAt = nowTick;
this.emitState();
lastUiEmitAt = nowTick;
lastProgressPercent = item.progressPercent;
}
}
} finally {
clearInterval(idleTimer);
}
} finally {
await new Promise<void>((resolve, reject) => {
if (stream.closed || stream.destroyed) {
resolve();
return;
}
const onDone = (): void => {
stream.off("error", onError);
stream.off("finish", onDone);
stream.off("close", onDone);
resolve();
};
const onError = (streamError: Error): void => {
stream.off("finish", onDone);
stream.off("close", onDone);
reject(streamError);
};
stream.once("finish", onDone);
stream.once("close", onDone);
stream.once("error", onError);
stream.end();
});
}
item.downloadedBytes = written;
item.progressPercent = item.totalBytes ? Math.max(0, Math.min(100, Math.floor((written / item.totalBytes) * 100))) : 100;
item.speedBps = 0;
item.updatedAt = nowMs();
return { resumable };
} catch (error) {
if (active.abortController.signal.aborted || String(error).includes("aborted:")) {
throw error;
}
lastError = compactErrorText(error);
if (attempt < REQUEST_RETRIES) {
item.retries += 1;
item.fullStatus = `Downloadfehler, retry ${attempt + 1}/${REQUEST_RETRIES}`;
this.emitState();
await sleep(350 * attempt);
continue;
}
throw new Error(lastError || "Download fehlgeschlagen");
}
}
throw new Error(lastError || "Download fehlgeschlagen");
}
private recoverRetryableItems(trigger: "startup" | "start"): number {
let recovered = 0;
const touchedPackages = new Set<string>();
for (const packageId of this.session.packageOrder) {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled) {
continue;
}
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item || item.status === "cancelled") {
continue;
}
const is416Failure = this.isHttp416Failure(item);
const hasZeroByteArchive = this.hasZeroByteArchiveArtifact(item);
if (item.status === "failed") {
this.queueItemForRetry(item, {
hardReset: is416Failure || hasZeroByteArchive,
reason: is416Failure
? "Wartet (Auto-Retry: HTTP 416)"
: hasZeroByteArchive
? "Wartet (Auto-Retry: 0B-Datei)"
: "Wartet (Auto-Retry)"
});
recovered += 1;
touchedPackages.add(pkg.id);
continue;
}
if (item.status === "completed" && hasZeroByteArchive) {
this.queueItemForRetry(item, {
hardReset: true,
reason: "Wartet (Auto-Retry: 0B-Datei)"
});
recovered += 1;
touchedPackages.add(pkg.id);
}
}
}
if (recovered > 0) {
for (const packageId of touchedPackages) {
const pkg = this.session.packages[packageId];
if (!pkg) {
continue;
}
this.refreshPackageStatus(pkg);
}
logger.warn(`Auto-Retry-Recovery (${trigger}): ${recovered} Item(s) wieder in Queue gesetzt`);
}
return recovered;
}
private queueItemForRetry(item: DownloadItem, options: { hardReset: boolean; reason: string }): void {
const targetPath = String(item.targetPath || "").trim();
if (options.hardReset && targetPath) {
try {
fs.rmSync(targetPath, { force: true });
} catch {
// ignore
}
this.releaseTargetPath(item.id);
item.downloadedBytes = 0;
item.totalBytes = null;
item.progressPercent = 0;
}
item.status = "queued";
item.speedBps = 0;
item.attempts = 0;
item.lastError = "";
item.resumable = true;
item.fullStatus = options.reason;
item.updatedAt = nowMs();
}
private isHttp416Failure(item: DownloadItem): boolean {
const text = `${item.lastError} ${item.fullStatus}`;
return /(^|\D)416(\D|$)/.test(text);
}
private hasZeroByteArchiveArtifact(item: DownloadItem): boolean {
const targetPath = String(item.targetPath || "").trim();
const archiveCandidate = isArchiveLikePath(targetPath || item.fileName);
if (!archiveCandidate) {
return false;
}
if (targetPath && fs.existsSync(targetPath)) {
try {
return fs.statSync(targetPath).size <= 0;
} catch {
return false;
}
}
if (item.downloadedBytes <= 0 && item.progressPercent >= 100) {
return true;
}
return /\b0\s*B\b/i.test(item.fullStatus || "");
}
private refreshPackageStatus(pkg: PackageEntry): void {
let pending = 0;
let success = 0;
let failed = 0;
let cancelled = 0;
let total = 0;
for (const itemId of pkg.itemIds) {
const item = this.session.items[itemId];
if (!item) {
continue;
}
total += 1;
const s = item.status;
if (s === "completed") {
success += 1;
} else if (s === "failed") {
failed += 1;
} else if (s === "cancelled") {
cancelled += 1;
} else {
pending += 1;
}
}
if (total === 0) {
return;
}
if (pending > 0) {
pkg.status = pkg.enabled ? "queued" : "paused";
pkg.updatedAt = nowMs();
return;
}
if (failed > 0) {
pkg.status = "failed";
} else if (cancelled > 0 && success === 0) {
pkg.status = "cancelled";
} else if (success > 0) {
pkg.status = "completed";
}
pkg.updatedAt = nowMs();
}
private cachedSpeedLimitKbps = 0;
private cachedSpeedLimitAt = 0;
private getEffectiveSpeedLimitKbps(): number {
const now = nowMs();
if (now - this.cachedSpeedLimitAt < 2000) {
return this.cachedSpeedLimitKbps;
}
this.cachedSpeedLimitAt = now;
const schedules = this.settings.bandwidthSchedules;
if (schedules.length > 0) {
const hour = new Date().getHours();
for (const entry of schedules) {
if (!entry.enabled) {
continue;
}
const wraps = entry.startHour > entry.endHour;
const inRange = wraps
? hour >= entry.startHour || hour < entry.endHour
: hour >= entry.startHour && hour < entry.endHour;
if (inRange) {
this.cachedSpeedLimitKbps = entry.speedLimitKbps;
return this.cachedSpeedLimitKbps;
}
}
}
if (this.settings.speedLimitEnabled && this.settings.speedLimitKbps > 0) {
this.cachedSpeedLimitKbps = this.settings.speedLimitKbps;
return this.cachedSpeedLimitKbps;
}
this.cachedSpeedLimitKbps = 0;
return 0;
}
private async applySpeedLimit(chunkBytes: number, localWindowBytes: number, localWindowStarted: number): Promise<void> {
const limitKbps = this.getEffectiveSpeedLimitKbps();
if (limitKbps <= 0) {
return;
}
const bytesPerSecond = limitKbps * 1024;
const now = nowMs();
const elapsed = Math.max((now - localWindowStarted) / 1000, 0.1);
if (this.settings.speedLimitMode === "per_download") {
const projected = localWindowBytes + chunkBytes;
const allowed = bytesPerSecond * elapsed;
if (projected > allowed) {
const sleepMs = Math.ceil(((projected - allowed) / bytesPerSecond) * 1000);
if (sleepMs > 0) {
await sleep(Math.min(300, sleepMs));
}
}
return;
}
this.pruneSpeedEvents(now);
const globalBytes = this.speedBytesLastWindow + chunkBytes;
const globalAllowed = bytesPerSecond * 3;
if (globalBytes > globalAllowed) {
await sleep(Math.min(250, Math.ceil(((globalBytes - globalAllowed) / bytesPerSecond) * 1000)));
}
}
private async handlePackagePostProcessing(packageId: string, signal?: AbortSignal): Promise<void> {
const pkg = this.session.packages[packageId];
if (!pkg || pkg.cancelled) {
return;
}
if (signal?.aborted) {
return;
}
const items = pkg.itemIds.map((id) => this.session.items[id]).filter(Boolean) as DownloadItem[];
const success = items.filter((item) => item.status === "completed").length;
const failed = items.filter((item) => item.status === "failed").length;
const cancelled = items.filter((item) => item.status === "cancelled").length;
logger.info(`Post-Processing Start: pkg=${pkg.name}, success=${success}, failed=${failed}, cancelled=${cancelled}, autoExtract=${this.settings.autoExtract}`);
if (success + failed + cancelled < items.length) {
pkg.status = "downloading";
logger.info(`Post-Processing verschoben: pkg=${pkg.name}, noch offene items`);
return;
}
const completedItems = items.filter((item) => item.status === "completed");
const alreadyMarkedExtracted = completedItems.length > 0 && completedItems.every((item) => isExtractedLabel(item.fullStatus));
if (this.settings.autoExtract && failed === 0 && success > 0 && !alreadyMarkedExtracted) {
pkg.status = "extracting";
this.emitState();
const updateExtractingStatus = (text: string): void => {
const updatedAt = nowMs();
for (const entry of completedItems) {
if (entry.fullStatus === text) {
continue;
}
entry.fullStatus = text;
entry.updatedAt = updatedAt;
}
};
updateExtractingStatus("Entpacken 0%");
this.emitState();
const extractTimeoutMs = 4 * 60 * 60 * 1000;
const extractDeadline = setTimeout(() => {
logger.error(`Post-Processing Extraction Timeout nach 4h: pkg=${pkg.name}`);
}, extractTimeoutMs);
try {
const result = await extractPackageArchives({
packageDir: pkg.outputDir,
targetDir: pkg.extractDir,
cleanupMode: this.settings.cleanupMode,
conflictMode: this.settings.extractConflictMode,
removeLinks: this.settings.removeLinkFilesAfterExtract,
removeSamples: this.settings.removeSamplesAfterExtract,
passwordList: this.settings.archivePasswordList,
signal,
onProgress: (progress) => {
const label = progress.phase === "done"
? "Entpacken 100%"
: (() => {
const archive = progress.archiveName ? ` · ${progress.archiveName}` : "";
const elapsed = progress.elapsedMs && progress.elapsedMs >= 1000
? ` · ${Math.floor(progress.elapsedMs / 1000)}s`
: "";
const activeArchive = Number(progress.archivePercent ?? 0) > 0 ? 1 : 0;
const currentDisplay = Math.max(0, Math.min(progress.total, progress.current + activeArchive));
return `Entpacken ${progress.percent}% (${currentDisplay}/${progress.total})${archive}${elapsed}`;
})();
updateExtractingStatus(label);
this.emitState();
}
});
clearTimeout(extractDeadline);
logger.info(`Post-Processing Entpacken Ende: pkg=${pkg.name}, extracted=${result.extracted}, failed=${result.failed}, lastError=${result.lastError || ""}`);
if (result.failed > 0) {
const reason = compactErrorText(result.lastError || "Entpacken fehlgeschlagen");
for (const entry of completedItems) {
entry.fullStatus = `Entpack-Fehler: ${reason}`;
entry.updatedAt = nowMs();
}
pkg.status = "failed";
} else {
const hasExtractedOutput = this.directoryHasAnyFiles(pkg.extractDir);
if (result.extracted > 0 || hasExtractedOutput) {
this.autoRenameExtractedVideoFiles(pkg.extractDir);
}
const sourceExists = fs.existsSync(pkg.outputDir);
let finalStatusText = "";
if (result.extracted > 0 || hasExtractedOutput) {
finalStatusText = "Entpackt";
} else if (!sourceExists) {
finalStatusText = "Entpackt (Quelle fehlt)";
logger.warn(`Post-Processing ohne Quellordner: pkg=${pkg.name}, outputDir fehlt`);
} else {
finalStatusText = "Entpackt (keine Archive)";
}
for (const entry of completedItems) {
entry.fullStatus = finalStatusText;
entry.updatedAt = nowMs();
}
pkg.status = "completed";
}
} catch (error) {
clearTimeout(extractDeadline);
const reasonRaw = String(error || "");
if (reasonRaw.includes("aborted:extract")) {
for (const entry of completedItems) {
if (/^Entpacken/i.test(entry.fullStatus || "")) {
entry.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
}
entry.updatedAt = nowMs();
}
pkg.status = pkg.enabled ? "queued" : "paused";
pkg.updatedAt = nowMs();
logger.info(`Post-Processing Entpacken abgebrochen: pkg=${pkg.name}`);
return;
}
const reason = compactErrorText(error);
logger.error(`Post-Processing Entpacken Exception: pkg=${pkg.name}, reason=${reason}`);
for (const entry of completedItems) {
entry.fullStatus = `Entpack-Fehler: ${reason}`;
entry.updatedAt = nowMs();
}
pkg.status = "failed";
}
} else if (failed > 0) {
pkg.status = "failed";
} else if (cancelled > 0 && success === 0) {
pkg.status = "cancelled";
} else {
pkg.status = "completed";
}
if (this.runPackageIds.has(packageId)) {
if (pkg.status === "completed") {
this.runCompletedPackages.add(packageId);
} else {
this.runCompletedPackages.delete(packageId);
}
}
pkg.updatedAt = nowMs();
logger.info(`Post-Processing Ende: pkg=${pkg.name}, status=${pkg.status}`);
this.applyPackageDoneCleanup(packageId);
}
private applyPackageDoneCleanup(packageId: string): void {
if (this.settings.completedCleanupPolicy !== "package_done") {
return;
}
const pkg = this.session.packages[packageId];
if (!pkg || pkg.status !== "completed") {
return;
}
const allCompleted = pkg.itemIds.every((itemId) => {
const item = this.session.items[itemId];
return !item || item.status === "completed";
});
if (!allCompleted) {
return;
}
this.removePackageFromSession(packageId, [...pkg.itemIds]);
}
private applyCompletedCleanupPolicy(packageId: string, itemId: string): void {
const policy = this.settings.completedCleanupPolicy;
if (policy === "never" || policy === "on_start") {
return;
}
const pkg = this.session.packages[packageId];
if (!pkg) {
return;
}
if (policy === "immediate") {
pkg.itemIds = pkg.itemIds.filter((id) => id !== itemId);
delete this.session.items[itemId];
if (pkg.itemIds.length === 0) {
this.removePackageFromSession(packageId, []);
}
return;
}
if (policy === "package_done") {
const hasOpen = pkg.itemIds.some((id) => {
const item = this.session.items[id];
return item != null && item.status !== "completed";
});
if (!hasOpen) {
this.removePackageFromSession(packageId, [...pkg.itemIds]);
}
}
}
private finishRun(): void {
this.session.running = false;
this.session.paused = false;
const total = this.runItemIds.size;
const outcomes = Array.from(this.runOutcomes.values());
const success = outcomes.filter((status) => status === "completed").length;
const failed = outcomes.filter((status) => status === "failed").length;
const cancelled = outcomes.filter((status) => status === "cancelled").length;
const extracted = this.runCompletedPackages.size;
const duration = this.session.runStartedAt > 0 ? Math.max(1, Math.floor((nowMs() - this.session.runStartedAt) / 1000)) : 1;
const avgSpeed = Math.floor(this.session.totalDownloadedBytes / duration);
this.summary = {
total,
success,
failed,
cancelled,
extracted,
durationSeconds: duration,
averageSpeedBps: avgSpeed
};
this.session.summaryText = `Summary: Dauer ${duration}s, Ø Speed ${humanSize(avgSpeed)}/s, Erfolg ${success}/${total}`;
this.runItemIds.clear();
this.runPackageIds.clear();
this.runOutcomes.clear();
this.runCompletedPackages.clear();
this.reservedTargetPaths.clear();
this.claimedTargetPathByItem.clear();
this.lastGlobalProgressBytes = this.session.totalDownloadedBytes;
this.lastGlobalProgressAt = nowMs();
this.persistNow();
this.emitState();
}
}