77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
package httpserver
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import (
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"net"
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"net/http"
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"time"
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)
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// the following is from
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// https://learning-cloud-native-go.github.io/docs/a6.adding_zerolog_logger/
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func ipFromHostPort(hp string) string {
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h, _, err := net.SplitHostPort(hp)
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if err != nil {
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return ""
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}
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if len(h) > 0 && h[0] == '[' {
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return h[1 : len(h)-1]
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}
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return h
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}
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type loggingResponseWriter struct {
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http.ResponseWriter
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statusCode int
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}
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func NewLoggingResponseWriter(w http.ResponseWriter) *loggingResponseWriter {
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return &loggingResponseWriter{w, http.StatusOK}
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}
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func (lrw *loggingResponseWriter) WriteHeader(code int) {
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lrw.statusCode = code
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lrw.ResponseWriter.WriteHeader(code)
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}
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// type Middleware func(http.Handler) http.Handler
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// this returns a Middleware that is designed to do every request through the
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// mux, note the signature:
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func (s *server) LoggingMiddleware() func(http.Handler) http.Handler {
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// FIXME this should use https://github.com/google/go-cloud/blob/master/server/requestlog/requestlog.go
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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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start := time.Now()
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lrw := NewLoggingResponseWriter(w)
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defer func() {
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latency := time.Since(start)
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s.log.Info().
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Time("request_start", start).
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Str("method", r.Method).
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Str("url", r.URL.String()).
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Str("useragent", r.UserAgent()).
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Str("referer", r.Referer()).
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Str("proto", r.Proto).
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Str("remoteIP", ipFromHostPort(r.RemoteAddr)).
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Int("status", lrw.statusCode).
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Dur("latency", latency).
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Send()
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}()
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next.ServeHTTP(lrw, r)
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})
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}
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}
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func (s *server) AuthMiddleware() func(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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// FIXME you'll want to change this to do stuff.
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s.log.Info().Msg("AUTH: before request")
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next.ServeHTTP(w, r)
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})
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}
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}
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