Leons Aleksandrovs
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package jwt
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import (
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"backend/config"
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"backend/models/user"
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"fmt"
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"time"
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"github.com/golang-jwt/jwt"
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)
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func GenerateJWT(u *user.User) (string, error) {
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// Generate JWT token
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mySigningKey := []byte(config.Env["JWT_SECRET"])
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token := jwt.New(jwt.SigningMethodHS256)
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// Add claims (Values)
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claims := token.Claims.(jwt.MapClaims)
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claims["id"] = u.Id
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claims["name"] = u.Name
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claims["email"] = u.Email
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claims["exp"] = time.Now().Add(time.Hour * 24 * 7).Unix() // Expire in 7 days
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// Generate signed token
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tokenString, err := token.SignedString(mySigningKey)
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if err != nil {
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return "", err
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}
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return tokenString, nil
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}
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func ParseJWT(tokenString string) (jwt.MapClaims, error) {
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mySigningKey := []byte(config.Env["JWT_SECRET"])
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (any, 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 mySigningKey, nil
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})
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// Check token parsing errors
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if err != nil {
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return nil, err
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}
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// If good values then return
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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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return claims, nil
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}
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// Return on invalid token
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return nil, fmt.Errorf("invalid token")
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}
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