47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package middleware
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import (
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"fmt"
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"log/slog"
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"net/http"
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"time"
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)
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type captureWriter struct {
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http.ResponseWriter
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code int
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}
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func (c *captureWriter) WriteHeader(statusCode int) {
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c.code = statusCode
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c.ResponseWriter.WriteHeader(statusCode)
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}
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func Logging(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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cw := &captureWriter{
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ResponseWriter: w,
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code: 200,
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}
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next.ServeHTTP(cw, r)
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slog.Info("request",
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"method", r.Method,
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"path", r.URL.Path,
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"duration", time.Since(start),
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"status", cw.code,
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)
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})
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}
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// cacheMiddleware adds Cache-Control headers to the response.
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func Cache(maxAge time.Duration) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%.0f", maxAge.Seconds()))
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w.Header().Set("Vary", "HX-Request,Accept-Language,Accept-Encoding")
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next.ServeHTTP(w, r)
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})
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}
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}
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