weixin-plugin-test/weixin-plugin/weixin/log-upload.ts

import fs from "node:fs/promises";
import path from "node:path";
import os from "node:os";

function resolvePreferredOpenClawTmpDir(): string {
  const envOverride = process.env.OPENCLAW_TMP_DIR?.trim();
  if (envOverride) return envOverride;
  const stateDir = process.env.OPENCLAW_STATE_DIR?.trim() ||
    process.env.CLAWDBOT_STATE_DIR?.trim() ||
    path.join(os.homedir(), ".openclaw");
  return path.join(stateDir, "tmp");
}

function mainLogDir(): string {
  return resolvePreferredOpenClawTmpDir();
}

function currentDayLogFileName(): string {
  const now = new Date();
  const offsetMs = -now.getTimezoneOffset() * 60_000;
  const dateKey = new Date(now.getTime() + offsetMs).toISOString().slice(0, 10);
  return `originclawai-${dateKey}.log`;
}

function resolveLogFileName(file: string): string {
  if (/^\d{8}$/.test(file)) {
    const yyyy = file.slice(0, 4);
    const mm = file.slice(4, 6);
    const dd = file.slice(6, 8);
    return `originclawai-${yyyy}-${mm}-${dd}.log`;
  }
  if (/^\d{10}$/.test(file)) {
    const yyyy = file.slice(0, 4);
    const mm = file.slice(4, 6);
    const dd = file.slice(6, 8);
    return `originclawai-${yyyy}-${mm}-${dd}.log`;
  }
  return file;
}

export async function uploadWeixinLog(params: {
  uploadUrl: string;
  file?: string;
}): Promise<void> {
  const { uploadUrl, file } = params;

  const logDir = mainLogDir();
  const rawFile = file ?? currentDayLogFileName();
  const fileName = resolveLogFileName(rawFile);
  const filePath = path.isAbsolute(fileName) ? fileName : path.join(logDir, fileName);

  let content: Buffer;
  try {
    content = await fs.readFile(filePath);
  } catch (err) {
    throw new Error(`Failed to read log file: ${filePath}: ${String(err)}`);
  }

  const formData = new FormData();
  formData.append("file", new Blob([new Uint8Array(content)], { type: "text/plain" }), fileName);

  const res = await fetch(uploadUrl, { method: "POST", body: formData });
  if (!res.ok) {
    const body = await res.text().catch(() => "");
    throw new Error(`Upload failed: HTTP ${res.status} ${res.statusText}: ${body}`);
  }
}