97 lines
2.2 KiB
Go
97 lines
2.2 KiB
Go
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package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"time"
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)
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const (
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DEFAULT_HTTP_PORT = "8080"
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DEFAULT_HTTPS_PORT = "4433"
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)
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type apiMessageResponse struct {
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Message string
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}
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type Logger struct {
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Handler http.Handler
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}
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func (l *Logger) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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tNow := time.Now().UTC()
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l.Handler.ServeHTTP(w, r)
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methodString := l.getMethodLogString(r.Method)
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log.Printf(" %s %s %s %v", r.RemoteAddr, methodString, r.URL, time.Since(tNow))
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}
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func (l *Logger) getMethodLogString(method string) string {
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colorBlue := "\033[34m"
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colorReset := "\033[0m"
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// colorRed := "\033[31m"
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// colorGreen := "\033[32m"
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// colorYellow := "\033[33m"
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// colorPurple := "\033[35m"
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// colorCyan := "\033[36m"
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// colorWhite := "\033[37m"
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if method == "GET" { return colorBlue + "GET" + colorReset }
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return method
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}
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func NewLogger(handler http.Handler) *Logger {
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return &Logger{Handler: handler}
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}
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func writeJSONResponse(w http.ResponseWriter, s string) http.ResponseWriter {
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w.WriteHeader(http.StatusBadRequest)
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jsonResp, err := json.Marshal(apiMessageResponse{Message: s})
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return w
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}
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_, err = w.Write(jsonResp)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return w
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}
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return w
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}
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func main() {
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handler := http.NewServeMux()
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handler.HandleFunc(
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"/download",
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func(w http.ResponseWriter, r *http.Request) {
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userURL := r.URL.Query().Get("url")
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w.Header().Set("Content-Type", "application/json")
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if userURL == "" {
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w = writeJSONResponse(w, "Provide URL as query")
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return
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}
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w = writeJSONResponse(w, fmt.Sprintf("You sent %s ", userURL))},
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)
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wrappedHandler := NewLogger(handler)
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srv := http.Server{
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ReadTimeout: 3 * time.Second,
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WriteTimeout: 10 * time.Second,
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Addr: ":" + DEFAULT_HTTP_PORT,
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Handler: wrappedHandler,
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}
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log.Printf("Starting HTTP on %s", DEFAULT_HTTP_PORT)
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log.Fatalln(srv.ListenAndServe())
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}
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