netmaker/controllers/controller.go
2023-02-24 15:37:53 -05:00

69 lines
2 KiB
Go

package controller
import (
"context"
"fmt"
"net/http"
"strings"
"sync"
"time"
"github.com/gorilla/handlers"
"github.com/gorilla/mux"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/servercfg"
)
// HttpHandlers - handler functions for REST interactions
var HttpHandlers = []interface{}{
nodeHandlers,
userHandlers,
networkHandlers,
dnsHandlers,
fileHandlers,
serverHandlers,
extClientHandlers,
ipHandlers,
loggerHandlers,
hostHandlers,
enrollmentKeyHandlers,
}
// HandleRESTRequests - handles the rest requests
func HandleRESTRequests(wg *sync.WaitGroup, ctx context.Context) {
defer wg.Done()
r := mux.NewRouter()
// Currently allowed dev origin is all. Should change in prod
// should consider analyzing the allowed methods further
headersOk := handlers.AllowedHeaders([]string{"Access-Control-Allow-Origin", "X-Requested-With", "Content-Type", "authorization"})
originsOk := handlers.AllowedOrigins(strings.Split(servercfg.GetAllowedOrigin(), ","))
methodsOk := handlers.AllowedMethods([]string{http.MethodGet, http.MethodPut, http.MethodPost, http.MethodDelete})
for _, handler := range HttpHandlers {
handler.(func(*mux.Router))(r)
}
port := servercfg.GetAPIPort()
srv := &http.Server{Addr: ":" + port, Handler: handlers.CORS(originsOk, headersOk, methodsOk)(r)}
go func() {
err := srv.ListenAndServe()
if err != nil {
logger.Log(0, err.Error())
}
}()
logger.Log(0, "REST Server successfully started on port ", port, " (REST)")
// Block main routine until a signal is received
// As long as user doesn't press CTRL+C a message is not passed and our main routine keeps running
<-ctx.Done()
// After receiving CTRL+C Properly stop the server
logger.Log(0, "Stopping the REST server...")
if err := srv.Shutdown(context.TODO()); err != nil {
logger.Log(0, "REST shutdown error occurred -", err.Error())
}
logger.Log(0, "REST Server closed.")
logger.DumpFile(fmt.Sprintf("data/netmaker.log.%s", time.Now().Format(logger.TimeFormatDay)))
}