forked from ory/fosite
/
helper.go
37 lines (30 loc) · 1.09 KB
/
helper.go
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package oauth2
import (
"time"
"context"
"github.com/ory/fosite"
)
type HandleHelper struct {
AccessTokenStrategy AccessTokenStrategy
AccessTokenStorage AccessTokenStorage
AccessTokenLifespan time.Duration
}
func (h *HandleHelper) IssueAccessToken(ctx context.Context, requester fosite.AccessRequester, responder fosite.AccessResponder) error {
token, signature, err := h.AccessTokenStrategy.GenerateAccessToken(ctx, requester)
if err != nil {
return err
} else if err := h.AccessTokenStorage.CreateAccessTokenSession(ctx, signature, requester); err != nil {
return err
}
responder.SetAccessToken(token)
responder.SetTokenType("bearer")
responder.SetExpiresIn(getExpiresIn(requester, fosite.AccessToken, h.AccessTokenLifespan, time.Now()))
responder.SetScopes(requester.GetGrantedScopes())
return nil
}
func getExpiresIn(r fosite.Requester, key fosite.TokenType, defaultLifespan time.Duration, now time.Time) time.Duration {
if r.GetSession().GetExpiresAt(key).IsZero() {
return defaultLifespan
}
return time.Duration(r.GetSession().GetExpiresAt(key).UnixNano() - now.UnixNano())
}