Fix worker getting stuck during sync: add timeouts, stuck detection, and safety limits

- Add invokeWithTimeout wrapper for TDLib API calls (2min timeout per call)
- Add stuck detection to getChannelMessages: break if from_message_id doesn't advance
- Add stuck detection to getTopicMessages: same protection for topic scanning
- Add stuck detection to getForumTopicList: break if pagination offsets don't advance
- Add max page limit (5000) to all scanning loops to prevent infinite pagination
- Add mutex wait timeout (30min) to prevent indefinite blocking when holder hangs
- Add cycle timeout (4h default, configurable via WORKER_CYCLE_TIMEOUT_MINUTES)
- Fix end-of-page detection to use actual limit value instead of hardcoded 100

Co-authored-by: xCyanGrizzly <53275238+xCyanGrizzly@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-03-05 13:14:53 +00:00
parent ad71346468
commit 9adbdb2a77
73 changed files with 3945 additions and 40 deletions

16
worker/dist/upload/channel.d.ts vendored Normal file
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import type { Client } from "tdl";
export interface UploadResult {
messageId: bigint;
}
/**
* Upload one or more files to a destination Telegram channel.
* For multipart archives, each file is sent as a separate message.
* Returns the **final** (server-assigned) message ID of the first uploaded message.
*
* IMPORTANT: `sendMessage` returns a *temporary* message immediately.
* The actual file upload happens asynchronously in TDLib. We listen for
* `updateMessageSendSucceeded` to get the real server-side message ID and
* to make sure the upload is fully committed before we clean up temp files
* or close the TDLib client (which would cancel pending uploads).
*/
export declare function uploadToChannel(client: Client, chatId: bigint, filePaths: string[], caption?: string): Promise<UploadResult>;

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worker/dist/upload/channel.js vendored Normal file
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import path from "path";
import { stat } from "fs/promises";
import { config } from "../util/config.js";
import { childLogger } from "../util/logger.js";
const log = childLogger("upload");
/**
* Upload one or more files to a destination Telegram channel.
* For multipart archives, each file is sent as a separate message.
* Returns the **final** (server-assigned) message ID of the first uploaded message.
*
* IMPORTANT: `sendMessage` returns a *temporary* message immediately.
* The actual file upload happens asynchronously in TDLib. We listen for
* `updateMessageSendSucceeded` to get the real server-side message ID and
* to make sure the upload is fully committed before we clean up temp files
* or close the TDLib client (which would cancel pending uploads).
*/
export async function uploadToChannel(client, chatId, filePaths, caption) {
let firstMessageId = null;
for (let i = 0; i < filePaths.length; i++) {
const filePath = filePaths[i];
const fileCaption = i === 0 && caption ? caption : undefined;
const fileName = path.basename(filePath);
let fileSizeMB = 0;
try {
const s = await stat(filePath);
fileSizeMB = Math.round(s.size / (1024 * 1024));
}
catch {
// Non-critical
}
log.info({ chatId: Number(chatId), fileName, sizeMB: fileSizeMB, part: i + 1, total: filePaths.length }, "Uploading file to channel");
const serverMsgId = await sendAndWaitForUpload(client, chatId, filePath, fileCaption, fileName, fileSizeMB);
if (i === 0) {
firstMessageId = serverMsgId;
}
// Rate limit delay between uploads
if (i < filePaths.length - 1) {
await sleep(config.apiDelayMs);
}
}
if (firstMessageId === null) {
throw new Error("Upload failed: no messages sent");
}
log.info({ chatId: Number(chatId), messageId: Number(firstMessageId), files: filePaths.length }, "All uploads confirmed by Telegram");
return { messageId: firstMessageId };
}
/**
* Send a single file message and wait for Telegram to confirm the upload.
* Returns the final server-assigned message ID.
*/
async function sendAndWaitForUpload(client, chatId, filePath, caption, fileName, fileSizeMB) {
// Send the message — this returns a temporary message immediately
const tempMsg = (await client.invoke({
_: "sendMessage",
chat_id: Number(chatId),
input_message_content: {
_: "inputMessageDocument",
document: {
_: "inputFileLocal",
path: filePath,
},
caption: caption
? {
_: "formattedText",
text: caption,
}
: undefined,
},
}));
const tempMsgId = tempMsg.id;
log.debug({ fileName, tempMsgId }, "Message queued, waiting for upload confirmation");
// Wait for the actual upload to complete
return new Promise((resolve, reject) => {
let settled = false;
let lastLoggedPercent = 0;
// Timeout: 10 minutes per GB, minimum 10 minutes
const timeoutMs = Math.max(10 * 60_000, (fileSizeMB / 1024) * 10 * 60_000);
const timer = setTimeout(() => {
if (!settled) {
settled = true;
cleanup();
reject(new Error(`Upload timed out after ${Math.round(timeoutMs / 60_000)}min for ${fileName}`));
}
}, timeoutMs);
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const handleUpdate = (update) => {
// Track upload progress via updateFile events
if (update?._ === "updateFile") {
const file = update.file;
if (file?.remote?.is_uploading_active && file.expected_size > 0) {
const uploaded = file.remote.uploaded_size ?? 0;
const total = file.expected_size;
const percent = Math.round((uploaded / total) * 100);
if (percent >= lastLoggedPercent + 20) {
lastLoggedPercent = percent - (percent % 20);
log.info({ fileName, uploaded, total, percent: `${percent}%` }, "Upload progress");
}
}
}
// The money event: upload succeeded, we get the final server message ID
if (update?._ === "updateMessageSendSucceeded") {
const msg = update.message;
const oldMsgId = update.old_message_id;
if (oldMsgId === tempMsgId) {
if (!settled) {
settled = true;
cleanup();
const finalId = BigInt(msg.id);
log.info({ fileName, tempMsgId, finalMsgId: Number(finalId) }, "Upload confirmed by Telegram");
resolve(finalId);
}
}
}
// Upload failed
if (update?._ === "updateMessageSendFailed") {
const oldMsgId = update.old_message_id;
if (oldMsgId === tempMsgId) {
if (!settled) {
settled = true;
cleanup();
const errorMsg = update.error?.message ?? "Unknown upload error";
reject(new Error(`Upload failed for ${fileName}: ${errorMsg}`));
}
}
}
};
const cleanup = () => {
clearTimeout(timer);
client.off("update", handleUpdate);
};
client.on("update", handleUpdate);
});
}
function sleep(ms) {
return new Promise((resolve) => setTimeout(resolve, ms));
}
//# sourceMappingURL=channel.js.map

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