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package middleware
import (
"fmt"
"log"
"net/http"
"os"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v4"
"github.com/pektezol/leastportals/backend/database"
"github.com/pektezol/leastportals/backend/models"
)
func RequireAuth(c *gin.Context) {
// Get auth cookie
tokenString, err := c.Cookie("auth")
if err != nil {
log.Println("RequireAuth: Err getting cookie")
c.AbortWithStatus(http.StatusUnauthorized)
return
}
// Validate token
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
}
return []byte(os.Getenv("SECRET_KEY")), nil
})
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
// Check exp
if float64(time.Now().Unix()) > claims["exp"].(float64) {
log.Println("RequireAuth: Token expired")
c.AbortWithStatus(http.StatusUnauthorized) // Expired
return
}
// Get user from DB
var user models.User
database.DB.QueryRow(`SELECT * FROM users WHERE steam_id = $1;`, claims["sub"]).Scan(
&user.SteamID, &user.Username, &user.AvatarLink, &user.CountryCode,
&user.CreatedAt, &user.UpdatedAt, &user.UserType)
if user.SteamID == 0 {
log.Println("RequireAuth: No user found on database")
c.AbortWithStatus(http.StatusUnauthorized)
return
}
// Attach user to request
c.Set("user", user)
c.Next()
} else {
log.Println("RequireAuth: Invalid token")
c.AbortWithStatus(http.StatusUnauthorized)
return
}
}
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