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package utils
import (
"log"
"net/http"
"os"
"time"
"github.com/golang-jwt/jwt/v5"
)
func LogMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
next.ServeHTTP(w, r)
duration := time.Since(start)
log.Printf("Request: %s %s took %f seconds", r.Method, r.URL.Path, duration.Seconds())
})
}
/**
* AuthMiddleware is a placeholder for authentication middleware.
* In a real application, this would check for valid authentication tokens or sessions.
* For now, it just calls the next handler.
*/
func AuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
authHeader := r.Header.Get("Authorization")
if authHeader == "" {
RespondWithError(w, http.StatusUnauthorized, "Missing authorization header")
return
}
tokenString := authHeader[len("Bearer "):]
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
// Validate the algorithm
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, http.ErrNotSupported
}
// Return the secret key for validation
return []byte(os.Getenv("JWT_SECRET")), nil
})
if err != nil {
RespondWithError(w, http.StatusUnauthorized, "Invalid token")
return
}
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
// You can access claims here
log.Printf("User ID: %v", claims["user_id"])
} else {
RespondWithError(w, http.StatusUnauthorized, "Invalid token claims")
return
}
next.ServeHTTP(w, r)
})
}
func Chain(middlewares ...func(http.Handler) http.Handler) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
for _, middleware := range middlewares {
next = middleware(next)
}
return next
}
}
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