google login and power share link (#292)

client/src/service/support/outLink/auth.ts

@@ -0,0 +1,79 @@
+import { PRICE_SCALE } from '@/constants/common';
+import { IpLimit } from '@/service/common/ipLimit/schema';
+import { authBalanceByUid, AuthUserTypeEnum } from '@/service/utils/auth';
+import { OutLinkSchema } from '@/types/support/outLink';
+import { OutLink } from './schema';
+
+export async function authOutLinkChat({ shareId, ip }: { shareId: string; ip?: string | null }) {
+  // get outLink
+  const outLink = await OutLink.findOne({
+    shareId
+  });
+
+  if (!outLink) {
+    return Promise.reject('分享链接无效');
+  }
+
+  const uid = String(outLink.userId);
+
+  // authBalance
+  const user = await authBalanceByUid(uid);
+
+  // limit auth
+  await authOutLinkLimit({ outLink, ip });
+
+  return {
+    user,
+    userId: String(outLink.userId),
+    appId: String(outLink.appId),
+    authType: AuthUserTypeEnum.token,
+    responseDetail: outLink.responseDetail
+  };
+}
+
+export async function authOutLinkLimit({
+  outLink,
+  ip
+}: {
+  outLink: OutLinkSchema;
+  ip?: string | null;
+}) {
+  if (!ip || !outLink.limit) {
+    return;
+  }
+
+  if (outLink.limit.expiredTime && outLink.limit.expiredTime.getTime() < Date.now()) {
+    return Promise.reject('分享链接已过期');
+  }
+
+  if (outLink.limit.credit > -1 && outLink.total > outLink.limit.credit * PRICE_SCALE) {
+    return Promise.reject('链接超出使用限制');
+  }
+
+  const ipLimit = await IpLimit.findOne({ ip, eventId: outLink._id });
+
+  try {
+    if (!ipLimit) {
+      await IpLimit.create({
+        eventId: outLink._id,
+        ip,
+        account: outLink.limit.QPM - 1
+      });
+      return;
+    }
+    // over one minute
+    const diffTime = Date.now() - ipLimit.lastMinute.getTime();
+    if (diffTime >= 60 * 1000) {
+      ipLimit.account = outLink.limit.QPM - 1;
+      ipLimit.lastMinute = new Date();
+      return await ipLimit.save();
+    }
+    if (ipLimit.account <= 0) {
+      return Promise.reject(
+        `每分钟仅能请求 ${outLink.limit.QPM} 次, ${60 - Math.round(diffTime / 1000)}s 后重试~`
+      );
+    }
+    ipLimit.account = ipLimit.account - 1;
+    await ipLimit.save();
+  } catch (error) {}
+}