neko/server/internal/http/http.go

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package http
import (
"context"
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"encoding/json"
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"fmt"
"net/http"
"os"
"github.com/go-chi/chi"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"n.eko.moe/neko/internal/http/middleware"
"n.eko.moe/neko/internal/types"
"n.eko.moe/neko/internal/types/config"
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)
type Server struct {
logger zerolog.Logger
router *chi.Mux
http *http.Server
conf *config.Server
}
func New(conf *config.Server, webSocketHandler types.WebSocketHandler) *Server {
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logger := log.With().Str("module", "http").Logger()
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router := chi.NewRouter()
// router.Use(middleware.Recoverer) // Recover from panics without crashing server
router.Use(middleware.RequestID) // Create a request ID for each request
router.Use(middleware.Logger) // Log API request calls
router.Get("/ws", func(w http.ResponseWriter, r *http.Request) {
webSocketHandler.Upgrade(w, r)
})
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router.Get("/stats", func(w http.ResponseWriter, r *http.Request) {
password := r.URL.Query().Get("pwd")
isAdmin, err := webSocketHandler.IsAdmin(password)
if err != nil {
w.WriteHeader(http.StatusForbidden)
fmt.Fprint(w, err)
return
}
if !isAdmin {
w.WriteHeader(http.StatusUnauthorized)
fmt.Fprint(w, "bad authorization")
return
}
w.Header().Set("Content-Type", "application/json")
stats := webSocketHandler.Stats()
if err := json.NewEncoder(w).Encode(stats); err != nil {
logger.Warn().Err(err).Msg("failed writing json error response")
}
})
router.Get("/health", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("true"))
})
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fs := http.FileServer(http.Dir(conf.Static))
router.Get("/*", func(w http.ResponseWriter, r *http.Request) {
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if _, err := os.Stat(conf.Static + r.URL.Path); !os.IsNotExist(err) {
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fs.ServeHTTP(w, r)
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} else {
w.WriteHeader(http.StatusNotFound)
fmt.Fprint(w, "404 page not found")
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}
})
server := &http.Server{
Addr: conf.Bind,
Handler: router,
}
return &Server{
logger: logger,
router: router,
http: server,
conf: conf,
}
}
func (s *Server) Start() {
if s.conf.Cert != "" && s.conf.Key != "" {
go func() {
if err := s.http.ListenAndServeTLS(s.conf.Cert, s.conf.Key); err != http.ErrServerClosed {
s.logger.Panic().Err(err).Msg("unable to start https server")
}
}()
s.logger.Info().Msgf("https listening on %s", s.http.Addr)
} else {
go func() {
if err := s.http.ListenAndServe(); err != http.ErrServerClosed {
s.logger.Panic().Err(err).Msg("unable to start http server")
}
}()
s.logger.Warn().Msgf("http listening on %s", s.http.Addr)
}
}
func (s *Server) Shutdown() error {
return s.http.Shutdown(context.Background())
}