W1-W3 实现企业微信个人应用消息通知

server/src/services/integrations/im/wecom.js

@@ -1,6 +1,10 @@
 const crypto = require('node:crypto');
 
 const { resolveChannelSecret } = require('../../notifications/channelConfig');
+const {
+  getWecomAppAccessToken,
+  sanitizeWecomResponse,
+} = require('../wecomAccessToken');
 
 function toSafeString(value, maxLength = 2000) {
   if (value == null) {
@@ -33,6 +37,30 @@ function buildWecomMarkdownMessage(message) {
   return lines.filter(Boolean).join('\n\n').trim();
 }
 
+function buildWecomTextPreview(message) {
+  const title = toSafeString(message?.title, 200);
+  const body = toSafeString(message?.body, 4000);
+  const detailUrl = toSafeString(message?.detailUrl, 2000);
+  const footer = toSafeString(message?.footer, 200);
+  const deepLinkLabel = toSafeString(message?.deepLinkLabel || '查看详情', 50) || '查看详情';
+
+  const lines = [];
+  if (title) {
+    lines.push(title);
+  }
+  if (body) {
+    lines.push(body);
+  }
+  if (detailUrl) {
+    lines.push(`${deepLinkLabel}：${detailUrl}`);
+  }
+  if (footer) {
+    lines.push(footer);
+  }
+
+  return lines.filter(Boolean).join('\n\n').trim();
+}
+
 function buildSignedWebhookUrl(webhookUrl, secret) {
   const rawUrl = String(webhookUrl ?? '').trim();
   if (!rawUrl || !secret) {
@@ -73,7 +101,205 @@ function mapSecretError(result, previewMessage) {
   };
 }
 
-async function sendWecomMessage({ config, channel, message }) {
+function normalizeExternalUserIds(values) {
+  return Array.from(
+    new Set(
+      (values ?? [])
+        .map((value) => String(value ?? '').trim())
+        .filter(Boolean),
+    ),
+  );
+}
+
+function normalizeAgentId(value) {
+  const raw = String(value ?? '').trim();
+  const numeric = Number(raw);
+  return raw && Number.isFinite(numeric) ? numeric : raw;
+}
+
+function hasInvalidRecipients(responseBody) {
+  return Boolean(String(responseBody?.invaliduser ?? '').trim());
+}
+
+function buildWecomAppPayload({ config, message, touser }) {
+  const agentid = normalizeAgentId(config?.wecomAgentId);
+  const title = toSafeString(message?.title || '系统通知', 200) || '系统通知';
+  const body = toSafeString(message?.body, 4000);
+  const footer = toSafeString(message?.footer, 200);
+  const detailUrl = toSafeString(message?.detailUrl, 2000);
+  const deepLinkLabel = toSafeString(message?.deepLinkLabel || '查看详情', 10) || '查看详情';
+
+  if (detailUrl) {
+    return {
+      touser,
+      msgtype: 'textcard',
+      agentid,
+      textcard: {
+        title,
+        description: [body, footer].filter(Boolean).join('\n\n') || title,
+        url: detailUrl,
+        btntxt: deepLinkLabel,
+      },
+      enable_id_trans: 0,
+      enable_duplicate_check: 1,
+      duplicate_check_interval: 1800,
+    };
+  }
+
+  return {
+    touser,
+    msgtype: 'text',
+    agentid,
+    text: {
+      content: buildWecomTextPreview(message) || title,
+    },
+    enable_id_trans: 0,
+    enable_duplicate_check: 1,
+    duplicate_check_interval: 1800,
+  };
+}
+
+async function sendWecomAppMessage({
+  config,
+  configJson,
+  message,
+  recipientExternalUserIds,
+}) {
+  const previewMessage = buildWecomTextPreview(message);
+  const externalUserIds = normalizeExternalUserIds(recipientExternalUserIds);
+  if (!externalUserIds.length) {
+    return {
+      ok: true,
+      skipped: false,
+      retryable: false,
+      code: 'wecom_app_no_bound_recipients',
+      message: 'No bound WeCom recipients',
+      response: {
+        channelType: 'wecom',
+        mode: 'wecom_app_message',
+        recipientCount: 0,
+      },
+      previewMessage,
+    };
+  }
+
+  const timeoutMs = Math.max(100, Number(configJson.timeoutMs ?? 5000));
+  const tokenResult = await getWecomAppAccessToken({ config, timeoutMs });
+  if (!tokenResult.ok) {
+    return {
+      ok: false,
+      skipped: false,
+      retryable: tokenResult.retryable,
+      code: tokenResult.code,
+      message: tokenResult.message,
+      response: tokenResult.response,
+      previewMessage,
+    };
+  }
+
+  const controller = new AbortController();
+  const timer = setTimeout(() => controller.abort(), timeoutMs);
+  const url = new URL('https://qyapi.weixin.qq.com/cgi-bin/message/send');
+  url.searchParams.set('access_token', tokenResult.accessToken);
+  const touser = externalUserIds.join('|');
+
+  try {
+    const response = await fetch(url, {
+      method: 'POST',
+      headers: {
+        'content-type': 'application/json',
+      },
+      body: JSON.stringify(buildWecomAppPayload({ config, message, touser })),
+      signal: controller.signal,
+    });
+
+    const responseBody = await response.json().catch(() => null);
+    const sanitized = sanitizeWecomResponse(responseBody);
+
+    if (!response.ok) {
+      return {
+        ok: false,
+        skipped: false,
+        retryable: response.status >= 500 || response.status === 429,
+        code:
+          response.status >= 500
+            ? 'wecom_app_http_5xx'
+            : response.status === 429
+              ? 'wecom_app_http_429'
+              : 'wecom_app_http_4xx',
+        message: `WeCom app message HTTP ${response.status}`,
+        response: {
+          status: response.status,
+          body: sanitized,
+        },
+        previewMessage,
+      };
+    }
+
+    if (responseBody && Number(responseBody.errcode ?? 0) !== 0) {
+      return {
+        ok: false,
+        skipped: false,
+        retryable: false,
+        code: 'wecom_app_api_error',
+        message: `WeCom app message errcode ${responseBody.errcode}`,
+        response: sanitized,
+        previewMessage,
+      };
+    }
+
+    if (hasInvalidRecipients(responseBody)) {
+      return {
+        ok: false,
+        skipped: false,
+        retryable: false,
+        code: 'wecom_app_invaliduser',
+        message: 'WeCom app message invaliduser',
+        response: sanitized,
+        previewMessage,
+      };
+    }
+
+    return {
+      ok: true,
+      skipped: false,
+      retryable: false,
+      code: 'wecom_app_sent',
+      message: null,
+      response: {
+        ...(sanitized ?? { errcode: 0 }),
+        recipientCount: externalUserIds.length,
+      },
+      previewMessage,
+    };
+  } catch (error) {
+    if (error?.name === 'AbortError') {
+      return {
+        ok: false,
+        skipped: false,
+        retryable: true,
+        code: 'wecom_app_timeout',
+        message: `WeCom app message timeout (${timeoutMs}ms)`,
+        response: null,
+        previewMessage,
+      };
+    }
+
+    return {
+      ok: false,
+      skipped: false,
+      retryable: true,
+      code: 'wecom_app_network_error',
+      message: String(error?.message ?? error ?? 'WeCom app message network error'),
+      response: null,
+      previewMessage,
+    };
+  } finally {
+    clearTimeout(timer);
+  }
+}
+
+async function sendWecomMessage({ config, channel, message, recipientExternalUserIds }) {
   const configJson = channel?.config_json && typeof channel.config_json === 'object' ? channel.config_json : {};
   const mode = String(configJson.mode ?? 'mock').trim() || 'mock';
   const previewMessage = buildWecomMarkdownMessage(message);
@@ -93,6 +319,15 @@ async function sendWecomMessage({ config, channel, message }) {
     };
   }
 
+  if (mode === 'wecom_app_message') {
+    return sendWecomAppMessage({
+      config,
+      configJson,
+      message,
+      recipientExternalUserIds,
+    });
+  }
+
   if (mode !== 'wecom_webhook') {
     return {
       ok: false,
@@ -218,5 +453,6 @@ async function sendWecomMessage({ config, channel, message }) {
 module.exports = {
   buildSignedWebhookUrl,
   buildWecomMarkdownMessage,
+  buildWecomTextPreview,
   sendWecomMessage,
 };