19 lines
416 B
Go
19 lines
416 B
Go
package middleware
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import (
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"net/http"
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"golang.org/x/time/rate"
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)
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var limiter = rate.NewLimiter(rate.Every(1*time.Minute), 5)
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// 请求频率限制中间件
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func RateLimit(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if !limiter.Allow() {
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http.Error(w, "请求过于频繁", http.StatusTooManyRequests)
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return
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}
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next.ServeHTTP(w, r)
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})
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} |