53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package utils
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import (
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"errors"
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"os"
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"time"
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"github.com/golang-jwt/jwt/v4"
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)
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type JWTClaim struct {
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Username string `json:"username"`
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Email string `json:"email"`
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jwt.RegisteredClaims
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}
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func GenerateJWT(email string, username string) (tokenString string, err error) {
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expirationTime := time.Now().Add(24 * time.Hour)
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claims := &JWTClaim{
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Email: email,
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Username: username,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(expirationTime),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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tokenString, err = token.SignedString([]byte(os.Getenv("JWT_SECRET")))
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return
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}
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func ValidateToken(signedToken string) (claims *JWTClaim, err error) {
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token, err := jwt.ParseWithClaims(
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signedToken,
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&JWTClaim{},
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func(token *jwt.Token) (interface{}, error) {
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return []byte(os.Getenv("JWT_SECRET")), nil
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},
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)
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if err != nil {
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return
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}
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claims, ok := token.Claims.(*JWTClaim)
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if !ok {
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err = errors.New("couldn't parse claims")
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return
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}
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if claims.ExpiresAt.Unix() < jwt.NewNumericDate(time.Now().Local()).Unix() {
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err = errors.New("token expired")
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return
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}
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return
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}
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