125 lines
2.8 KiB
Go
125 lines
2.8 KiB
Go
package config
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import (
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"fmt"
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"os"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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type JWTConfig struct {
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SecretKey string
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AccessTokenDuration time.Duration
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RefreshTokenDuration time.Duration
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ResetTokenDuration time.Duration
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}
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var JWT *JWTConfig
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func InitJWT() {
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JWT = &JWTConfig{
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SecretKey: os.Getenv("JWT_SECRET_KEY"),
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AccessTokenDuration: 15 * time.Minute,
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RefreshTokenDuration: 7 * 24 * time.Hour,
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ResetTokenDuration: 1 * time.Hour,
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}
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if JWT.SecretKey == "" {
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panic("JWT_SECRET_KEY not set in environment")
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}
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}
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type CustomClaims struct {
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UserID uint `json:"user_id"`
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Email string `json:"email"`
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Username string `json:"username"`
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TokenType string `json:"token_type"`
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jwt.RegisteredClaims
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}
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func GenerateAccessToken(userID uint, email, username string) (string, error) {
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claims := CustomClaims{
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UserID: userID,
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Email: email,
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Username: username,
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TokenType: "access",
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(JWT.AccessTokenDuration)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Issuer: "rideaware",
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(JWT.SecretKey))
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}
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func GenerateRefreshToken(userID uint, email, username string) (string, error) {
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claims := CustomClaims{
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UserID: userID,
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Email: email,
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Username: username,
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TokenType: "refresh",
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(JWT.RefreshTokenDuration)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Issuer: "rideaware",
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(JWT.SecretKey))
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}
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func VerifyToken(tokenString string) (*CustomClaims, error) {
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claims := &CustomClaims{}
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token, err := jwt.ParseWithClaims(
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tokenString,
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claims,
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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(JWT.SecretKey), nil
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},
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)
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if err != nil {
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return nil, err
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}
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if !token.Valid {
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return nil, fmt.Errorf("invalid token")
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}
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return claims, nil
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}
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func VerifyRefreshToken(tokenString string) (*CustomClaims, error) {
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claims, err := VerifyToken(tokenString)
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if err != nil {
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return nil, err
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}
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// Verify it's actually a refresh token
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if claims.TokenType != "refresh" {
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return nil, fmt.Errorf("token is not a refresh token")
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}
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return claims, nil
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}
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func VerifyAccessToken(tokenString string) (*CustomClaims, error) {
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claims, err := VerifyToken(tokenString)
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if err != nil {
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return nil, err
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}
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// Verify it's actually an access token
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if claims.TokenType != "access" {
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return nil, fmt.Errorf("token is not an access token")
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}
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return claims, nil
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} |