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				@@ -2,8 +2,15 @@ import { Context, Next } from 'koa'; 
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				 import config from '../config'; 
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				 export = () => { 
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				   return async (ctx: Context, next: Next) => { 
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				+    const host: string = ctx.host 
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				+    const isMatch = config.checkHost.find(el => host.match(el)) 
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				+    console.log(host, isMatch); 
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				+    if (!isMatch) { 
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				+      // 域名不对 
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				+      ctx.throw(403, '请求出错') 
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				+    } 
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				     const ip: string = ctx.ip; 
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				-    const key :string = `client_ip_limit_${ip}`; 
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				+    const key: string = `client_ip_limit_${ip}`; 
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				     const limit: number = Number(await ctx.$redis.get(key)) || 0; 
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				     if (limit > config.limit.times) { 
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				       ctx.throw(403, '请求频次过高'); 
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