53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package security
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import (
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"errors"
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"github.com/golang-jwt/jwt"
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"os"
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"time"
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)
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type PresignToken struct {
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Path string
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}
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func CreateToken(tokenInfo PresignToken, duration time.Duration) (string, error) {
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// jwt token
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atClaims := jwt.MapClaims{}
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atClaims["authorized"] = true
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// user info
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atClaims["path"] = tokenInfo.Path
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// expiration
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atClaims["exp"] = time.Now().Add(duration).Unix()
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at := jwt.NewWithClaims(jwt.SigningMethodHS256, atClaims)
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secret := getSecret()
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return at.SignedString([]byte(secret))
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}
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func ParseToken(token string) (PresignToken, error) {
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secret := getSecret()
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parsedToken, err := jwt.Parse(token, func(t *jwt.Token) (interface{}, error) {
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return []byte(secret), nil
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})
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if err != nil {
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return PresignToken{}, err
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}
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claims, ok := parsedToken.Claims.(jwt.MapClaims)
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if ok {
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return PresignToken{
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Path: claims["path"].(string),
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}, nil
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} else {
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return PresignToken{}, errors.New("failed parsing token")
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}
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}
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func getSecret() string {
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secret, exists := os.LookupEnv("JWT_SECRET")
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if !exists {
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panic("env variable JWT_SECRET not set")
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}
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return secret
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}
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