Files
Studia/backend/internal/auth/handler.go
2025-12-16 23:14:40 +01:00

98 lines
2.5 KiB
Go

package auth
import (
"database/sql"
"errors"
"net/http"
"studia/internal/logger"
"studia/internal/user"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
)
type LoginRequest struct {
Email string
Password string
}
type RegisterRequest struct {
Email string
Password string
Username string
}
const defaultRole = "user"
var secret = []byte("secret")
func Login(c *gin.Context, db *sql.DB) error {
var req LoginRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request"})
return err
}
if req.Email == "" || req.Password == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Email and password are required"})
return errors.New("Email and password are required")
}
User, err := user.GetUserByEmail(db, req.Email)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid email "})
return err
}
logger.Log.Info().Msgf("User: %+v", User)
err = user.CheckPasswordHash(db, User.Email, req.Password)
if err != nil {
return err
}
token, err := GenerateJWT(User.ID, User.Email, User.Role)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Could not generate token"})
return err
}
c.JSON(http.StatusOK, gin.H{"token": token})
return nil
}
func Register(c *gin.Context, db *sql.DB) error {
var req RegisterRequest
if err := c.ShouldBindJSON(&req); err != nil {
// Log the error for debugging purposes
logger.Log.Error().Err(err).Msg("Failed to bind JSON for registration")
// Respond with a bad request status and an error message
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request"})
return errors.New("Invalid request")
}
logger.Log.Info().Msgf("Register Request: %+v", req)
if req.Email == "" || req.Password == "" || req.Username == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Email and password are required"})
return errors.New("Email and password are required")
}
err := user.CreateUser(db, req.Email, req.Username, req.Password, []string{defaultRole})
if err != nil {
logger.Log.Error().Err(err).Msg("Failed to create user")
c.JSON(http.StatusBadRequest, gin.H{"error": err})
return err
}
c.JSON(http.StatusOK, gin.H{"message": "User created successfully"})
return nil
}
func GenerateJWT(uuid string, email string, roles []string) (any, error) {
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"user": uuid,
"email": email,
"role": roles,
"exp": time.Now().Add(24 * time.Hour).Unix(),
})
return token.SignedString(secret)
}