60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package global
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import (
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"fmt"
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"net/http"
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"strconv"
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"time"
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)
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var LAST_MODIFIED = time.Now()
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func IsModified(req *http.Request, last_modified time.Time) bool {
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if len(req.Header["If-Modified-Since"]) == 0 || len(req.Header["If-Modified-Since"][0]) == 0 {
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return true
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}
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request_time, err := time.Parse(http.TimeFormat, req.Header["If-Modified-Since"][0])
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if err != nil {
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return true
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}
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if request_time.Before(last_modified) {
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return true
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}
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return false
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}
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type loggingResponseWriter struct {
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http.ResponseWriter
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code int
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}
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func (lw *loggingResponseWriter) WriteHeader(code int) {
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lw.code = code
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lw.ResponseWriter.WriteHeader(code)
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}
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func HTTPLog(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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lw := loggingResponseWriter{w, http.StatusOK}
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next.ServeHTTP(&lw, r)
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after := time.Now()
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difference := (after.Nanosecond() - start.Nanosecond()) / 1_000_000
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elapsed := "<1"
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if difference >= 1 {
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elapsed = strconv.Itoa(difference)
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}
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fmt.Printf("[%s] %s %s - %d (%sms) (%s)\n",
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after.Format(time.UnixDate),
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r.Method,
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r.URL.Path,
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lw.code,
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elapsed,
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r.Header["User-Agent"][0])
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})
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}
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