| 1 | import { WSClient, generateReqId } from "@wecom/aibot-node-sdk"; |
| 2 | |
| 3 | import { |
| 4 | activeTurnBlock, |
| 5 | commandAction, |
| 6 | compactRuntimeError, |
| 7 | helpText, |
| 8 | incomingIdentity, |
| 9 | isAllowed, |
| 10 | latestRunningTurn, |
| 11 | pairingRefusalText, |
| 12 | parseBool, |
| 13 | parseCommand, |
| 14 | parseList, |
| 15 | parseApprovalDecisionArgs, |
| 16 | isApprovalResponse, |
| 17 | isDenyResponse, |
| 18 | preservedChatStateFields, |
| 19 | requiredEnv, |
| 20 | splitMessage, |
| 21 | stripGroupPrefix, |
| 22 | ThreadStore |
| 23 | } from "./lib.mjs"; |
| 24 | import { createRuntimeClient, readJsonSafe, readSse } from "../../bridge-core/src/lib.mjs"; |
| 25 | |
| 26 | /** Map of chatId -> latest pending approval info for natural-language approval. */ |
| 27 | const pendingApprovals = new Map(); |
| 28 | // Clean up stale approvals every 2 minutes |
| 29 | setInterval(() => { |
| 30 | const now = Date.now(); |
| 31 | for (const [chatId, approval] of pendingApprovals) { |
| 32 | if (now - approval.timestamp > 300_000) pendingApprovals.delete(chatId); |
| 33 | } |
| 34 | }, 120_000); |
| 35 | |
| 36 | const config = { |
| 37 | botId: requiredEnv("WECOM_BOT_ID"), |
| 38 | botSecret: requiredEnv("WECOM_BOT_SECRET"), |
| 39 | runtimeUrl: (process.env.CODEWHALE_RUNTIME_URL || "http://127.0.0.1:7878").replace(/\/+$/, ""), |
| 40 | runtimeToken: requiredEnv("CODEWHALE_RUNTIME_TOKEN"), |
| 41 | workspace: process.env.CODEWHALE_WORKSPACE || process.cwd(), |
| 42 | model: process.env.CODEWHALE_MODEL || "auto", |
| 43 | mode: process.env.CODEWHALE_MODE || "agent", |
| 44 | allowShell: parseBool(process.env.CODEWHALE_ALLOW_SHELL, true), |
| 45 | trustMode: parseBool(process.env.CODEWHALE_TRUST_MODE, false), |
| 46 | autoApprove: parseBool(process.env.CODEWHALE_AUTO_APPROVE, false), |
| 47 | allowlist: parseList(process.env.WECOM_CHAT_ALLOWLIST), |
| 48 | allowUnlisted: parseBool(process.env.WECOM_ALLOW_UNLISTED, false), |
| 49 | threadMapPath: process.env.WECOM_THREAD_MAP_PATH || "/var/lib/codewhale-wecom-bridge/thread-map.json", |
| 50 | maxReplyChars: Number(process.env.WECOM_MAX_REPLY_CHARS || 3500), |
| 51 | turnTimeoutMs: Number(process.env.CODEWHALE_TURN_TIMEOUT_MS || 900000), |
| 52 | approvalTimeoutMs: Number(process.env.CODEWHALE_APPROVAL_TIMEOUT_MS || 300000) |
| 53 | }; |
| 54 | |
| 55 | const { runtimeJson, authHeaders } = createRuntimeClient(config); |
| 56 | |
| 57 | const threadStore = await ThreadStore.open(config.threadMapPath); |
| 58 | |
| 59 | const client = new WSClient({ |
| 60 | botId: config.botId, |
| 61 | secret: config.botSecret |
| 62 | }); |
| 63 | |
| 64 | client.on("message", async (frame) => { |
| 65 | try { |
| 66 | await handleIncomingMessage(frame); |
| 67 | } catch (error) { |
| 68 | await reportHandlerError(frame, "Failed to handle WeCom message", error); |
| 69 | } |
| 70 | }); |
| 71 | |
| 72 | client.on("event", async (frame) => { |
| 73 | try { |
| 74 | await handleEvent(frame); |
| 75 | } catch (error) { |
| 76 | await reportHandlerError(frame, "Failed to handle WeCom event", error); |
| 77 | } |
| 78 | }); |
| 79 | |
| 80 | client.on("error", (error) => { |
| 81 | console.error("WeCom client error:", error); |
| 82 | }); |
| 83 | |
| 84 | console.log("Starting CodeWhale WeCom bridge"); |
| 85 | console.log(`Runtime: ${config.runtimeUrl}`); |
| 86 | console.log(`Workspace: ${config.workspace}`); |
| 87 | if (!config.allowlist.length && !config.allowUnlisted) { |
| 88 | console.log("No allowlist configured. Incoming chats will receive their IDs and be refused."); |
| 89 | } |
| 90 | |
| 91 | client.connect(); |
| 92 | |
| 93 | function replyText(frame, text) { |
| 94 | const chunks = splitMessage(text, config.maxReplyChars); |
| 95 | return chunks.reduce( |
| 96 | (chain, chunk) => chain.then(() => client.replyStream(frame, generateReqId("stream"), chunk, true)), |
| 97 | Promise.resolve() |
| 98 | ); |
| 99 | } |
| 100 | |
| 101 | async function reportHandlerError(frame, context, error) { |
| 102 | console.error(context, error); |
| 103 | try { |
| 104 | await replyText(frame, `${context}: ${publicBridgeError(error)}`); |
| 105 | } catch (replyError) { |
| 106 | console.error("Failed to report WeCom bridge error", replyError); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | function publicBridgeError(error) { |
| 111 | const message = String(error?.message || error || "unknown error"); |
| 112 | return message.replaceAll(config.runtimeToken, "<redacted>").slice(0, 500); |
| 113 | } |
| 114 | |
| 115 | async function handleIncomingMessage(frame) { |
| 116 | const body = frame.body || {}; |
| 117 | const identity = incomingIdentity(body); |
| 118 | console.log(`Incoming message: chatId=${identity.chatId} userId=${identity.userId} chatType=${identity.chatType}`); |
| 119 | if (!identity.chatId || !identity.messageId) return; |
| 120 | |
| 121 | if (body.msgtype && body.msgtype !== "text") { |
| 122 | await replyText(frame, "目前仅支持文本消息。"); |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | const textContent = body.text?.content || ""; |
| 127 | const scoped = stripGroupPrefix(textContent, { |
| 128 | chatType: identity.chatType, |
| 129 | requirePrefix: identity.chatType === "group", |
| 130 | prefix: "/ds" |
| 131 | }); |
| 132 | if (!scoped.accepted) return; |
| 133 | |
| 134 | if (!isAllowed(identity, config.allowlist, config.allowUnlisted)) { |
| 135 | await replyText(frame, pairingRefusalText(identity)); |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | const command = parseCommand(scoped.text); |
| 140 | await handleCommand(identity.chatId, command, frame); |
| 141 | } |
| 142 | |
| 143 | async function handleEvent(frame) { |
| 144 | const body = frame.body || {}; |
| 145 | const eventType = body.event?.eventtype || ""; |
| 146 | if (eventType === "enter_chat") { |
| 147 | const chatId = body.chatid; |
| 148 | if (chatId) { |
| 149 | await client.replyWelcome(frame, { msgtype: "text", text: { content: "欢迎使用 CodeWhale！发送 /help 查看可用命令。" } }); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | async function handleCommand(chatId, command, frame) { |
| 155 | const action = commandAction(command); |
| 156 | switch (action.kind) { |
| 157 | case "help": |
| 158 | await replyText(frame, helpText()); |
| 159 | return; |
| 160 | case "status": |
| 161 | await sendStatus(chatId, frame); |
| 162 | return; |
| 163 | case "threads": |
| 164 | await sendThreads(chatId, frame); |
| 165 | return; |
| 166 | case "new_thread": { |
| 167 | const state = await ensureThread(chatId); |
| 168 | await replyText(frame, `Created thread ${state.threadId}`); |
| 169 | return; |
| 170 | } |
| 171 | case "resume": |
| 172 | await resumeThread(chatId, action.threadId, frame); |
| 173 | return; |
| 174 | case "interrupt": |
| 175 | await interruptActiveTurn(chatId, frame); |
| 176 | return; |
| 177 | case "compact": |
| 178 | await compactThread(chatId, frame); |
| 179 | return; |
| 180 | case "approval": |
| 181 | await decideApproval(chatId, action, frame); |
| 182 | return; |
| 183 | case "set_model": |
| 184 | await setChatModel(chatId, action.modelName, frame); |
| 185 | return; |
| 186 | case "prompt": |
| 187 | // Check if this is a natural-language approval/deny response |
| 188 | if (pendingApprovals.has(chatId)) { |
| 189 | const pending = pendingApprovals.get(chatId); |
| 190 | if (Date.now() - pending.timestamp < config.approvalTimeoutMs) { |
| 191 | if (isApprovalResponse(action.prompt)) { |
| 192 | const action2 = { kind: "approval", decision: "allow", approvalId: pending.approvalId }; |
| 193 | await decideApproval(chatId, action2, frame); |
| 194 | pendingApprovals.delete(chatId); |
| 195 | return; |
| 196 | } |
| 197 | if (isDenyResponse(action.prompt)) { |
| 198 | const action2 = { kind: "approval", decision: "deny", approvalId: pending.approvalId }; |
| 199 | await decideApproval(chatId, action2, frame); |
| 200 | pendingApprovals.delete(chatId); |
| 201 | return; |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | await runPrompt(chatId, action.prompt, frame); |
| 206 | return; |
| 207 | default: |
| 208 | await replyText(frame, helpText()); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | async function ensureThread(chatId, { forceNew = false } = {}) { |
| 213 | const existing = await threadStore.getChat(chatId); |
| 214 | if (existing?.threadId && !forceNew) return existing; |
| 215 | |
| 216 | const effectiveModel = existing?.model || config.model; |
| 217 | |
| 218 | const thread = await runtimeJson("/v1/threads", { |
| 219 | method: "POST", |
| 220 | body: { |
| 221 | model: effectiveModel, |
| 222 | workspace: config.workspace, |
| 223 | mode: config.mode, |
| 224 | allow_shell: config.allowShell, |
| 225 | trust_mode: config.trustMode, |
| 226 | auto_approve: config.autoApprove, |
| 227 | archived: false, |
| 228 | system_prompt: |
| 229 | "You are being controlled from a WeCom (企业微信) phone chat. Keep status updates concise. Ask for tool approvals when needed; do not assume mobile messages imply blanket approval." |
| 230 | } |
| 231 | }); |
| 232 | |
| 233 | const state = { |
| 234 | ...preservedChatStateFields(existing), |
| 235 | threadId: thread.id, |
| 236 | lastSeq: 0, |
| 237 | activeTurnId: null, |
| 238 | updatedAt: new Date().toISOString() |
| 239 | }; |
| 240 | await threadStore.setChat(chatId, state); |
| 241 | return state; |
| 242 | } |
| 243 | |
| 244 | async function runPrompt(chatId, prompt, frame) { |
| 245 | if (!prompt.trim()) { |
| 246 | await replyText(frame, helpText()); |
| 247 | return; |
| 248 | } |
| 249 | const state = await ensureThread(chatId); |
| 250 | const effectiveModel = state?.model || config.model; |
| 251 | const detail = await runtimeJson(`/v1/threads/${encodeURIComponent(state.threadId)}`); |
| 252 | const activeBlock = activeTurnBlock(detail, state); |
| 253 | if (activeBlock) { |
| 254 | await threadStore.patchChat(chatId, { |
| 255 | activeTurnId: activeBlock.turnId, |
| 256 | updatedAt: new Date().toISOString() |
| 257 | }); |
| 258 | await replyText(frame, activeBlock.message); |
| 259 | return; |
| 260 | } |
| 261 | if (state.activeTurnId) { |
| 262 | await threadStore.patchChat(chatId, { activeTurnId: null }); |
| 263 | } |
| 264 | const sinceSeq = Number(detail.latest_seq || state.lastSeq || 0); |
| 265 | |
| 266 | const turnResponse = await runtimeJson( |
| 267 | `/v1/threads/${encodeURIComponent(state.threadId)}/turns`, |
| 268 | { |
| 269 | method: "POST", |
| 270 | body: { |
| 271 | prompt, |
| 272 | input_summary: prompt.slice(0, 200), |
| 273 | model: effectiveModel, |
| 274 | mode: config.mode, |
| 275 | allow_shell: config.allowShell, |
| 276 | trust_mode: config.trustMode, |
| 277 | auto_approve: config.autoApprove |
| 278 | } |
| 279 | } |
| 280 | ); |
| 281 | |
| 282 | const turnId = turnResponse.turn?.id; |
| 283 | await threadStore.patchChat(chatId, { |
| 284 | activeTurnId: turnId || null, |
| 285 | lastSeq: sinceSeq, |
| 286 | updatedAt: new Date().toISOString() |
| 287 | }); |
| 288 | await replyText(frame, `Started turn ${turnId || "(unknown)"}`); |
| 289 | |
| 290 | try { |
| 291 | await streamTurnEvents(chatId, frame, state.threadId, turnId, sinceSeq); |
| 292 | } finally { |
| 293 | await threadStore.patchChat(chatId, { |
| 294 | activeTurnId: null, |
| 295 | updatedAt: new Date().toISOString() |
| 296 | }); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | async function streamTurnEvents(chatId, frame, threadId, turnId, sinceSeq) { |
| 301 | const controller = new AbortController(); |
| 302 | const timeout = setTimeout(() => controller.abort(), config.turnTimeoutMs); |
| 303 | const streamId = generateReqId("stream"); |
| 304 | let responseText = ""; |
| 305 | let latestSeq = sinceSeq; |
| 306 | |
| 307 | try { |
| 308 | const response = await fetch( |
| 309 | `${config.runtimeUrl}/v1/threads/${encodeURIComponent(threadId)}/events?since_seq=${sinceSeq}`, |
| 310 | { |
| 311 | headers: authHeaders(), |
| 312 | signal: controller.signal |
| 313 | } |
| 314 | ); |
| 315 | if (!response.ok) { |
| 316 | const body = await readJsonSafe(response); |
| 317 | throw new Error(compactRuntimeError(response.status, body)); |
| 318 | } |
| 319 | |
| 320 | for await (const event of readSse(response)) { |
| 321 | if (!event.data) continue; |
| 322 | let record; |
| 323 | try { |
| 324 | record = JSON.parse(event.data); |
| 325 | } catch (error) { |
| 326 | console.warn("Skipping malformed runtime SSE event:", publicBridgeError(error)); |
| 327 | continue; |
| 328 | } |
| 329 | latestSeq = Math.max(latestSeq, Number(record.seq || 0)); |
| 330 | await threadStore.patchChat(chatId, { lastSeq: latestSeq }); |
| 331 | |
| 332 | if (turnId && record.turn_id && record.turn_id !== turnId) continue; |
| 333 | |
| 334 | if (record.event === "item.delta" && record.payload?.kind === "agent_message") { |
| 335 | responseText += record.payload.delta || ""; |
| 336 | await client.replyStream(frame, streamId, responseText, false); |
| 337 | } |
| 338 | |
| 339 | if (record.event === "approval.required") { |
| 340 | const approval = record.payload || {}; |
| 341 | const approvalId = approval.approval_id || approval.id; |
| 342 | // Track latest pending approval per chat for natural-language responses |
| 343 | if (approvalId) { |
| 344 | pendingApprovals.set(chatId, { |
| 345 | approvalId, |
| 346 | toolName: approval.tool_name || "unknown", |
| 347 | description: approval.description || "", |
| 348 | timestamp: Date.now() |
| 349 | }); |
| 350 | } |
| 351 | await replyText( |
| 352 | frame, |
| 353 | [ |
| 354 | "审批请求", |
| 355 | `tool=${approval.tool_name || "unknown"}`, |
| 356 | `approval_id=${approvalId}`, |
| 357 | approval.description || "", |
| 358 | "", |
| 359 | `回复 /allow ${approvalId}`, |
| 360 | `回复 /deny ${approvalId}`, |
| 361 | "也可以直接回复「允许」或「拒绝」" |
| 362 | ] |
| 363 | .filter(Boolean) |
| 364 | .join("\n") |
| 365 | ); |
| 366 | } |
| 367 | |
| 368 | if (record.event === "turn.completed") { |
| 369 | const turn = record.payload?.turn || {}; |
| 370 | const status = turn.status || "completed"; |
| 371 | const errorText = turn.error ? `\n${turn.error}` : ""; |
| 372 | const fallback = status === "completed" ? "Turn completed." : `Turn ${status}.${errorText}`; |
| 373 | await client.replyStream(frame, streamId, responseText.trim() || fallback, true); |
| 374 | return; |
| 375 | } |
| 376 | |
| 377 | if (record.event === "turn.lifecycle") { |
| 378 | const turn = record.payload?.turn || {}; |
| 379 | const status = turn.status || record.payload?.status; |
| 380 | if (["failed", "canceled", "interrupted"].includes(status)) { |
| 381 | const errorText = turn.error || record.payload?.error; |
| 382 | await client.replyStream(frame, streamId, `Turn ${status}.${errorText ? `\n${errorText}` : ""}`, true); |
| 383 | return; |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | } catch (error) { |
| 388 | if (error.name === "AbortError") { |
| 389 | await replyText(frame, `Turn timed out after ${Math.round(config.turnTimeoutMs / 1000)}s.`); |
| 390 | return; |
| 391 | } |
| 392 | throw error; |
| 393 | } finally { |
| 394 | clearTimeout(timeout); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | async function sendStatus(chatId, frame) { |
| 399 | const [health, runtimeInfo, workspace] = await Promise.all([ |
| 400 | runtimeJson("/health", { auth: false }), |
| 401 | runtimeJson("/v1/runtime/info"), |
| 402 | runtimeJson("/v1/workspace/status") |
| 403 | ]); |
| 404 | await replyText( |
| 405 | frame, |
| 406 | [ |
| 407 | `runtime=${health.status || "unknown"}`, |
| 408 | `version=${runtimeInfo.version || "unknown"}`, |
| 409 | `bind=${runtimeInfo.bind_host}:${runtimeInfo.port}`, |
| 410 | `auth_required=${runtimeInfo.auth_required}`, |
| 411 | `workspace=${workspace.workspace}`, |
| 412 | `git_repo=${workspace.git_repo}`, |
| 413 | workspace.branch ? `branch=${workspace.branch}` : "", |
| 414 | `staged=${workspace.staged} unstaged=${workspace.unstaged} untracked=${workspace.untracked}` |
| 415 | ] |
| 416 | .filter(Boolean) |
| 417 | .join("\n") |
| 418 | ); |
| 419 | } |
| 420 | |
| 421 | async function sendThreads(chatId, frame) { |
| 422 | const threads = await runtimeJson("/v1/threads/summary?limit=8&include_archived=true"); |
| 423 | if (!threads.length) { |
| 424 | await replyText(frame, "No runtime threads yet."); |
| 425 | return; |
| 426 | } |
| 427 | await replyText( |
| 428 | frame, |
| 429 | threads |
| 430 | .map((thread) => { |
| 431 | const status = thread.latest_turn_status || "none"; |
| 432 | return `${thread.id} [${status}] ${thread.title || thread.preview || ""}`; |
| 433 | }) |
| 434 | .join("\n") |
| 435 | ); |
| 436 | } |
| 437 | |
| 438 | async function resumeThread(chatId, args, frame) { |
| 439 | const threadId = args.trim(); |
| 440 | if (!threadId) { |
| 441 | await replyText(frame, "Usage: /resume <thread_id>"); |
| 442 | return; |
| 443 | } |
| 444 | const detail = await runtimeJson(`/v1/threads/${encodeURIComponent(threadId)}`); |
| 445 | const existing = await threadStore.getChat(chatId); |
| 446 | await threadStore.setChat(chatId, { |
| 447 | ...preservedChatStateFields(existing), |
| 448 | threadId, |
| 449 | lastSeq: Number(detail.latest_seq || 0), |
| 450 | activeTurnId: null, |
| 451 | updatedAt: new Date().toISOString() |
| 452 | }); |
| 453 | await replyText(frame, `Resumed thread ${threadId}`); |
| 454 | } |
| 455 | |
| 456 | async function interruptActiveTurn(chatId, frame) { |
| 457 | const state = await threadStore.getChat(chatId); |
| 458 | if (!state?.threadId) { |
| 459 | await replyText(frame, "No runtime thread recorded for this chat."); |
| 460 | return; |
| 461 | } |
| 462 | const detail = await runtimeJson(`/v1/threads/${encodeURIComponent(state.threadId)}`); |
| 463 | const runningTurn = latestRunningTurn(detail); |
| 464 | const turnId = state.activeTurnId || runningTurn?.id; |
| 465 | if (!turnId) { |
| 466 | await replyText(frame, "No active turn recorded for this chat."); |
| 467 | return; |
| 468 | } |
| 469 | await runtimeJson( |
| 470 | `/v1/threads/${encodeURIComponent(state.threadId)}/turns/${encodeURIComponent(turnId)}/interrupt`, |
| 471 | { method: "POST" } |
| 472 | ); |
| 473 | await threadStore.patchChat(chatId, { |
| 474 | activeTurnId: turnId, |
| 475 | updatedAt: new Date().toISOString() |
| 476 | }); |
| 477 | await replyText(frame, `Interrupt requested for ${turnId}`); |
| 478 | } |
| 479 | |
| 480 | async function compactThread(chatId, frame) { |
| 481 | const state = await ensureThread(chatId); |
| 482 | const result = await runtimeJson(`/v1/threads/${encodeURIComponent(state.threadId)}/compact`, { |
| 483 | method: "POST", |
| 484 | body: { reason: "phone bridge request" } |
| 485 | }); |
| 486 | await replyText(frame, `Compaction started: ${result.turn?.id || "unknown turn"}`); |
| 487 | } |
| 488 | |
| 489 | async function decideApproval(chatId, action, frame) { |
| 490 | const decision = action.decision; |
| 491 | const { approvalId, remember } = |
| 492 | action.approvalId != null ? action : parseApprovalDecisionArgs(action.args); |
| 493 | if (!approvalId) { |
| 494 | await replyText(frame, `Usage: /${decision} <approval_id>${decision === "allow" ? " [remember]" : ""}`); |
| 495 | return; |
| 496 | } |
| 497 | await runtimeJson(`/v1/approvals/${encodeURIComponent(approvalId)}`, { |
| 498 | method: "POST", |
| 499 | body: { decision, remember } |
| 500 | }); |
| 501 | |
| 502 | // Clear activeTurnId so the user can send follow-up messages |
| 503 | // immediately instead of being blocked by activeTurnBlock |
| 504 | // while the SSE stream processes the turn cancellation. |
| 505 | await threadStore.patchChat(chatId, { |
| 506 | activeTurnId: null, |
| 507 | updatedAt: new Date().toISOString() |
| 508 | }); |
| 509 | |
| 510 | await replyText(frame, `Approval ${approvalId}: ${decision}${remember ? " and remember" : ""}`); |
| 511 | } |
| 512 | |
| 513 | async function setChatModel(chatId, modelName, frame) { |
| 514 | if (!modelName || modelName === "default") { |
| 515 | await threadStore.patchChat(chatId, { |
| 516 | model: null, |
| 517 | updatedAt: new Date().toISOString() |
| 518 | }); |
| 519 | await replyText(frame, `Reset per-chat model. Using bridge default: ${config.model}`); |
| 520 | return; |
| 521 | } |
| 522 | await threadStore.patchChat(chatId, { |
| 523 | model: modelName, |
| 524 | updatedAt: new Date().toISOString() |
| 525 | }); |
| 526 | await replyText(frame, `Per-chat model set to: ${modelName}`); |
| 527 | } |
| 528 |