Files
RenewCMS/cmd/main.go
T

113 lines
2.6 KiB
Go

package main
import (
"GohCMS2/api"
"encoding/json"
"fmt"
"github.com/MadAppGang/httplog"
"github.com/go-chi/chi/v5"
"github.com/go-chi/cors"
"github.com/go-chi/jwtauth/v5"
"github.com/joho/godotenv"
"log"
"net/http"
"os"
)
var envVarsToLoad = []string{"PORT", "ENVIRONMENT"}
func jsonContentTypeMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
next.ServeHTTP(w, r)
})
}
func htmlContentTypeMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
next.ServeHTTP(w, r)
})
}
func initJwt() {
api.TokenAuth = jwtauth.New("HS256", []byte("secret"), nil)
}
func getHelloWorld(w http.ResponseWriter, _ *http.Request) {
msg, _ := json.Marshal(map[string]string{"message": "Hello World"})
_, _ = w.Write(msg)
}
func initBackendRoutes() *chi.Mux {
r := chi.NewRouter()
r.Use(httplog.LoggerWithName("backend"))
r.Use(jsonContentTypeMiddleware)
r.Get("/", getHelloWorld)
r.Group(func(r chi.Router) {
r.Use(jwtauth.Verifier(api.TokenAuth))
r.Use(jwtauth.Authenticator)
r.Mount("/article", api.NewArticleRouter())
})
r.Mount("/auth", api.NewAuthRouter())
return r
}
func initFrontendRoutes() *chi.Mux {
r := chi.NewRouter()
r.Use(httplog.LoggerWithName("frontend"))
r.Use(htmlContentTypeMiddleware)
r.Mount("/", api.NewPageRouter())
return r
}
func initRoutes() *chi.Mux {
backend := initBackendRoutes()
frontend := initFrontendRoutes()
apiRouter := chi.NewRouter()
// TODO use env variable for allowed origins
apiRouter.Use(cors.Handler(cors.Options{
AllowedOrigins: []string{"https://*", "http://*"},
AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
ExposedHeaders: []string{"Link"},
AllowCredentials: false,
MaxAge: 300,
}))
apiRouter.Mount("/v1", backend)
apiRouter.Mount("/", frontend)
return apiRouter
}
func initEnvVariables() {
err := godotenv.Load()
if err != nil {
log.Fatal("Error loading .env file")
}
for _, envVar := range envVarsToLoad {
if _, ok := os.LookupEnv(envVar); !ok {
panic(fmt.Sprintf("Environment variable %s is not set", envVar))
}
}
}
func main() {
initEnvVariables()
api.InitContainer()
api.InitValidator()
initJwt()
router := initRoutes()
fmt.Println("Server starting on port " + os.Getenv("PORT"))
err := http.ListenAndServe(":"+os.Getenv("PORT"), router)
if err != nil {
panic(err)
}
}