45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
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package tokens
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import (
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"errors"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt"
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"github.com/google/uuid"
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"go-backend-starter-project/initializers"
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"go-backend-starter-project/models"
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"math"
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"os"
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"time"
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)
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type UserSession struct {
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Bearer uuid.UUID
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ExpiresAt time.Time
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}
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func ParseToken(c *gin.Context) (UserSession, error) {
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tokenString, err := c.Cookie("Authorization")
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if len(tokenString) == 0 || err != nil {
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return UserSession{}, errors.New("Cookie not found")
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}
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
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}
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return []byte(os.Getenv("JWT_SECRET")), nil
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})
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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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var user models.User
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initializers.DB.Find(&user, "id = ?", claims["bearer"])
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sec, dec := math.Modf(claims["expiresAt"].(float64))
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return UserSession{Bearer: user.ID, ExpiresAt: time.Unix(int64(sec), int64(dec*(1e9)))}, nil
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}
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return UserSession{}, errors.New("Token is not valid")
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}
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