69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
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package controllers
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import (
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"errors"
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"time"
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"github.com/beego/beego/v2/core/logs"
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"github.com/dgrijalva/jwt-go"
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)
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const mySuperSecretKey = "jdnfksdmfksd"
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func CreateToken(userId string) (string, error) {
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var err error
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//Creating Access Token
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// os.Setenv("ACCESS_SECRET", "jdnfksdmfksd") //this should be in an env file
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atClaims := jwt.MapClaims{}
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atClaims["authorized"] = true
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atClaims["user_id"] = userId
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atClaims["exp"] = time.Now().UTC().Add(time.Hour * 15).Unix()
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at := jwt.NewWithClaims(jwt.SigningMethodHS256, atClaims)
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token, err := at.SignedString([]byte(mySuperSecretKey))
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if err != nil {
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return "", err
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}
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return token, nil
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}
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func IsValidToken(jwtToken string) (*jwt.Token, error) {
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token, err := jwt.Parse(jwtToken, func(token *jwt.Token) (interface{}, error) {
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//TODO: Validate expected algorithm
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return []byte(mySuperSecretKey), nil
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})
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var message string
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if err == nil && token.Valid {
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return token, nil
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} else if ve, ok := err.(*jwt.ValidationError); ok {
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if ve.Errors&jwt.ValidationErrorMalformed != 0 {
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message = "Token " + jwtToken + " is not even a token"
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} else if ve.Errors&(jwt.ValidationErrorExpired|jwt.ValidationErrorNotValidYet) != 0 {
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message = "Token is either expired or not active yet"
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} else {
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message = "Couldn't handle this token: " + err.Error()
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}
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}
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logs.Debug(message)
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return nil, errors.New(message)
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}
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func GetUsernameFromToken(token string) (string, error) {
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tokenObj, err := IsValidToken(token)
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if err != nil {
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logs.Debug(err)
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return "", err
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}
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if claims, ok := tokenObj.Claims.(jwt.MapClaims); ok {
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return claims["user_id"].(string), nil
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}
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logs.Debug("Unknow JWT error")
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return "", errors.New("Unknow JWT error")
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}
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