55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package utils
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import (
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"errors"
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"fmt"
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"github.com/golang-jwt/jwt/v5"
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"github.com/google/uuid"
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"os"
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"relay-server/model"
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)
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func GenerateToken(userID uuid.UUID, username string) (string, error) {
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
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"user_id": userID,
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"username": username,
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})
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signedToken, err := token.SignedString([]byte(os.Getenv("JWT_SECRET")))
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if err != nil {
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return "", NewError(ErrInternal, "Failed to generate token", err)
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}
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return signedToken, nil
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}
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func ValidateToken(tokenString string) (*model.UserClaims, error) {
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secretKey := os.Getenv("JWT_SECRET")
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// Parse the token
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token, err := jwt.ParseWithClaims(tokenString, &model.UserClaims{}, func(token *jwt.Token) (interface{}, error) {
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// Validate the signing method
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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(secretKey), nil
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})
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if err != nil {
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return nil, fmt.Errorf("failed to parse token: %v", err)
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}
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// Check if the token is valid
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if !token.Valid {
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return nil, errors.New("invalid token")
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}
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// Type assert the claims
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claims, ok := token.Claims.(*model.UserClaims)
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if !ok {
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return nil, errors.New("failed to parse claims")
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}
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return claims, nil
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}
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