mirror of
https://github.com/hansjone/dsh-im-ops.git
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260 lines
10 KiB
JavaScript
260 lines
10 KiB
JavaScript
import QRCode from 'qrcode';
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import { SET_CONTEXT_ENHANCEMENT_ENDPOINT, validContextEnhancementPayload } from '../shared/context-enhancement-rpc.mjs';
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import { SET_ACCESS_POLICY_ENDPOINT, validAccessPolicyPayload } from '../shared/access-policy-rpc.mjs';
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import { resolveRpcAuthority } from '../../rpc-authority.mjs';
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import {
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publicWorkspaceError,
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SET_WORKSPACE_ENDPOINT,
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validWorkspacePayload,
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} from '../shared/workspace-rpc.mjs';
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import {
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SET_AGENT_PRESET_ENDPOINT,
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validAgentPresetPayload,
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} from '../shared/agent-preset-rpc.mjs';
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import {
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connectionTestTargetUnavailable,
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publicConnectionTestResult,
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} from '../../../../src/channels/shared/connection-test.mjs';
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export const WEIXIN_RPC_CHANNEL = '/weixin';
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export const WEIXIN_ENDPOINTS = Object.freeze({
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status: 'connection.status',
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beginProvisioning: 'provision.begin',
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pollProvisioning: 'provision.poll',
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submitVerification: 'provision.verify',
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cancelProvisioning: 'provision.cancel',
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reconnectBot: 'bot.reconnect',
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deleteBot: 'bot.delete',
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setWorkspace: SET_WORKSPACE_ENDPOINT,
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setAgentPreset: SET_AGENT_PRESET_ENDPOINT,
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setContextEnhancement: SET_CONTEXT_ENHANCEMENT_ENDPOINT,
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setAccessPolicy: SET_ACCESS_POLICY_ENDPOINT,
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});
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export const WEIXIN_RPC_ENDPOINTS = Object.freeze(Object.values(WEIXIN_ENDPOINTS));
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function isRecord(value) {
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return value !== null && typeof value === 'object' && !Array.isArray(value);
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}
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function exactKeys(value, allowed) {
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return isRecord(value) && Object.keys(value).every((key) => allowed.includes(key));
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}
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function validId(value) {
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return typeof value === 'string' && /^[A-Za-z0-9_-]{1,128}$/.test(value);
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}
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function payloadFailure(endpoint, payload) {
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if (!isRecord(payload)) return 'Payload must be an object.';
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if (endpoint === WEIXIN_ENDPOINTS.status) {
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return exactKeys(payload, []) ? null : 'connection.status does not accept fields.';
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}
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if (endpoint === WEIXIN_ENDPOINTS.beginProvisioning) {
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return exactKeys(payload, ['locale']) && (payload.locale === undefined || payload.locale === 'zh-CN')
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? null
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: 'provision.begin received unsupported fields.';
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}
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if ([WEIXIN_ENDPOINTS.pollProvisioning, WEIXIN_ENDPOINTS.cancelProvisioning].includes(endpoint)) {
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return exactKeys(payload, ['attemptId']) && validId(payload.attemptId)
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? null
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: `${endpoint} requires an attemptId.`;
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}
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if (endpoint === WEIXIN_ENDPOINTS.submitVerification) {
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return exactKeys(payload, ['attemptId', 'verifyCode'])
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&& validId(payload.attemptId)
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&& typeof payload.verifyCode === 'string'
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&& /^\d{4,8}$/.test(payload.verifyCode)
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? null
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: 'provision.verify requires an attemptId and a 4-to-8-digit code.';
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}
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if (endpoint === WEIXIN_ENDPOINTS.reconnectBot) {
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return exactKeys(payload, ['botId', 'sendTest'])
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&& validId(payload.botId)
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&& (payload.sendTest === undefined || payload.sendTest === true)
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? null
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: 'bot.reconnect requires a botId and optional sendTest=true.';
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}
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if (endpoint === WEIXIN_ENDPOINTS.deleteBot) {
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return exactKeys(payload, ['botId', 'confirm']) && validId(payload.botId) && payload.confirm === true
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? null
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: 'bot.delete requires a botId and confirm=true.';
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}
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if (endpoint === WEIXIN_ENDPOINTS.setWorkspace) {
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return validWorkspacePayload(payload)
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? null : '请输入工作区绝对路径。';
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}
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if (endpoint === WEIXIN_ENDPOINTS.setAgentPreset) {
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return validAgentPresetPayload(payload)
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? null : '请选择 Agent Preset。';
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}
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if (endpoint === WEIXIN_ENDPOINTS.setContextEnhancement) {
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return validContextEnhancementPayload(payload)
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? null : '请提交有效的上下文增强设置。';
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}
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if (endpoint === WEIXIN_ENDPOINTS.setAccessPolicy) {
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return validAccessPolicyPayload(payload)
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? null : '请提交有效的访问设置。';
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}
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return 'Unknown Weixin endpoint.';
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}
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function badRequest(message) {
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return { ok: false, error: { code: 'bad-request', message } };
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}
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function cancelled() {
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return { ok: false, error: { code: 'cancelled', message: 'The request was cancelled.' } };
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}
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function internalFailure() {
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return {
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ok: false,
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error: { code: 'weixin-operation-failed', message: '微信操作失败，请稍后重试。' },
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};
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}
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async function qrDataUrl(value) {
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return QRCode.toDataURL(value, {
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type: 'image/png',
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errorCorrectionLevel: 'M',
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margin: 2,
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width: 320,
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});
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}
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async function withEncodedQr(value, encodeQr) {
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if (!value || !value.verificationUrl) return value;
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return {
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...value,
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qrCodeDataUrl: await encodeQr(value.verificationUrl),
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};
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}
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async function publicStatus(status, encodeQr) {
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const safe = structuredClone(status);
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if (safe.provisioning) safe.provisioning = await withEncodedQr(safe.provisioning, encodeQr);
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return safe;
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}
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function assertController(controller) {
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if (!controller
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|| typeof controller.status !== 'function'
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|| typeof controller.startProvisioning !== 'function'
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|| typeof controller.registrationStatus !== 'function'
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|| typeof controller.submitVerification !== 'function'
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|| typeof controller.cancelProvisioning !== 'function'
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|| typeof controller.reconnectBot !== 'function'
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|| typeof controller.deleteBot !== 'function') {
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throw new TypeError('A complete Weixin controller is required');
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}
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}
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export function createWeixinRpcHandler(controller, { encodeQr = qrDataUrl } = {}) {
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assertController(controller);
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const qrCache = new Map();
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const cachedEncode = (url) => {
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let encoded = qrCache.get(url);
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if (!encoded) {
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if (qrCache.size >= 16) qrCache.delete(qrCache.keys().next().value);
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encoded = Promise.resolve().then(() => encodeQr(url));
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qrCache.set(url, encoded);
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}
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return encoded;
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};
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return async (endpoint, payload, signal) => {
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if (signal?.aborted) return cancelled();
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if (!WEIXIN_RPC_ENDPOINTS.includes(endpoint)) return badRequest('Unknown Weixin endpoint.');
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const invalid = payloadFailure(endpoint, payload);
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if (invalid) return badRequest(invalid);
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try {
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let value;
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if (endpoint === WEIXIN_ENDPOINTS.status) {
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value = await publicStatus(await controller.status(), cachedEncode);
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} else if (endpoint === WEIXIN_ENDPOINTS.beginProvisioning) {
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const started = await controller.startProvisioning();
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if (signal?.aborted) {
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await controller.cancelProvisioning(started.attemptId);
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return cancelled();
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}
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value = await withEncodedQr(started, cachedEncode);
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} else if (endpoint === WEIXIN_ENDPOINTS.pollProvisioning) {
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const current = await controller.registrationStatus(payload.attemptId);
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if (!current) return badRequest('The provisioning attempt no longer exists.');
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value = await withEncodedQr(current, cachedEncode);
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} else if (endpoint === WEIXIN_ENDPOINTS.submitVerification) {
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value = await withEncodedQr(
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await controller.submitVerification(payload.attemptId, payload.verifyCode),
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cachedEncode,
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);
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} else if (endpoint === WEIXIN_ENDPOINTS.cancelProvisioning) {
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value = await controller.cancelProvisioning(payload.attemptId);
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if (!value) return badRequest('The provisioning attempt no longer exists.');
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} else if (endpoint === WEIXIN_ENDPOINTS.reconnectBot) {
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const snapshot = await controller.reconnectBot(payload.botId);
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if (signal?.aborted) return cancelled();
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let testMessage;
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if (payload.sendTest === true) {
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const connected = snapshot?.bots?.some(
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(bot) => bot?.botId === payload.botId && bot?.connected === true,
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);
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if (!connected || typeof controller.sendConnectionTest !== 'function') {
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testMessage = publicConnectionTestResult(
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connectionTestTargetUnavailable('微信机器人'),
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);
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} else {
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try {
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await controller.sendConnectionTest(payload.botId);
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testMessage = publicConnectionTestResult();
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} catch (error) {
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testMessage = publicConnectionTestResult(error);
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}
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}
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}
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value = await publicStatus({ ...snapshot, ...(testMessage ? { testMessage } : {}) }, cachedEncode);
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} else if (endpoint === WEIXIN_ENDPOINTS.setWorkspace) {
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if (typeof controller.updateWorkspace !== 'function') throw new Error('Workspace update is unavailable');
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value = await publicStatus(
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await controller.updateWorkspace(payload.botId, payload.workspace),
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cachedEncode,
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);
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} else if (endpoint === WEIXIN_ENDPOINTS.setContextEnhancement) {
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if (typeof controller.updateContextEnhancement !== 'function') throw new Error('Context enhancement update is unavailable');
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value = await controller.updateContextEnhancement(
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payload.botId, payload.config, (status) => publicStatus(status, cachedEncode),
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);
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} else if (endpoint === WEIXIN_ENDPOINTS.setAccessPolicy) {
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if (typeof controller.updateAccessPolicy !== 'function') throw new Error('Access policy update is unavailable');
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value = await controller.updateAccessPolicy(
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payload.botId, payload.policy, (status) => publicStatus(status, cachedEncode),
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);
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} else if (endpoint === WEIXIN_ENDPOINTS.setAgentPreset) {
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if (typeof controller.updateAgentPreset !== 'function') throw new Error('Agent preset update is unavailable');
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value = await publicStatus(
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await controller.updateAgentPreset(payload.botId, payload.agentPreset),
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cachedEncode,
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);
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} else {
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value = await publicStatus(await controller.deleteBot(payload.botId), cachedEncode);
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}
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return signal?.aborted ? cancelled() : { ok: true, value };
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} catch (error) {
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const workspaceError = publicWorkspaceError(error);
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return signal?.aborted ? cancelled() : workspaceError
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? { ok: false, error: workspaceError }
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: internalFailure();
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}
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};
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}
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export function installWeixinRpc(ctx, controller, options, authority) {
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if (!ctx?.connection?.rpc || typeof ctx.connection.rpc.handle !== 'function') {
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throw new TypeError('DSH Host Connection RPC is required');
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}
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return ctx.connection.rpc.handle(
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WEIXIN_RPC_CHANNEL,
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createWeixinRpcHandler(controller, options),
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{ authority: resolveRpcAuthority(authority) },
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);
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}
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