Sansan
0ec2425f78
Echo errors, middleware and handlers used three different formats (message object, error object, bare string). One error handler now writes all of them the same way; status codes are unchanged.
30 lines
978 B
Go
30 lines
978 B
Go
package middleware
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import (
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"net/http"
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"time"
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"music-server/internal/logging"
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"github.com/labstack/echo/v5"
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echoMiddleware "github.com/labstack/echo/v5/middleware"
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"go.uber.org/zap"
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)
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// RateLimit allows each client IP limit requests per window, with bursts up to limit.
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func RateLimit(limit int, window time.Duration) echo.MiddlewareFunc {
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config := echoMiddleware.DefaultRateLimiterConfig
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config.Store = echoMiddleware.NewRateLimiterMemoryStoreWithConfig(echoMiddleware.RateLimiterMemoryStoreConfig{
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Rate: float64(limit) / window.Seconds(),
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Burst: limit,
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ExpiresIn: window,
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})
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config.DenyHandler = func(c *echo.Context, identifier string, err error) error {
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logging.GetLogger().Warn("Rate limit exceeded",
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zap.String("ip", identifier),
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zap.String("path", c.Request().URL.Path))
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return echo.NewHTTPError(http.StatusTooManyRequests, "Rate limit exceeded. Please try again later.")
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}
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return echoMiddleware.RateLimiterWithConfig(config)
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}
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