forked from vikunja/vikunja
97 lines
3.5 KiB
Go
97 lines
3.5 KiB
Go
/*
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* Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
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* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
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* @license Apache-2.0
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*
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*/
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package oauth2
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import (
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"context"
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"time"
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"github.com/pkg/errors"
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"github.com/ory/fosite"
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enigma "github.com/ory/fosite/token/hmac"
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)
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type HMACSHAStrategy struct {
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Enigma *enigma.HMACStrategy
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AccessTokenLifespan time.Duration
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RefreshTokenLifespan time.Duration
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AuthorizeCodeLifespan time.Duration
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}
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func (h HMACSHAStrategy) AccessTokenSignature(token string) string {
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return h.Enigma.Signature(token)
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}
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func (h HMACSHAStrategy) RefreshTokenSignature(token string) string {
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return h.Enigma.Signature(token)
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}
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func (h HMACSHAStrategy) AuthorizeCodeSignature(token string) string {
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return h.Enigma.Signature(token)
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}
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func (h HMACSHAStrategy) GenerateAccessToken(_ context.Context, _ fosite.Requester) (token string, signature string, err error) {
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return h.Enigma.Generate()
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}
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func (h HMACSHAStrategy) ValidateAccessToken(_ context.Context, r fosite.Requester, token string) (err error) {
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var exp = r.GetSession().GetExpiresAt(fosite.AccessToken)
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if exp.IsZero() && r.GetRequestedAt().Add(h.AccessTokenLifespan).Before(time.Now().UTC()) {
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return errors.WithStack(fosite.ErrTokenExpired.WithHintf("Access token expired at \"%s\".", r.GetRequestedAt().Add(h.AccessTokenLifespan)))
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}
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if !exp.IsZero() && exp.Before(time.Now().UTC()) {
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return errors.WithStack(fosite.ErrTokenExpired.WithHintf("Access token expired at \"%s\".", exp))
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}
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return h.Enigma.Validate(token)
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}
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func (h HMACSHAStrategy) GenerateRefreshToken(_ context.Context, _ fosite.Requester) (token string, signature string, err error) {
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return h.Enigma.Generate()
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}
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func (h HMACSHAStrategy) ValidateRefreshToken(_ context.Context, r fosite.Requester, token string) (err error) {
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var exp = r.GetSession().GetExpiresAt(fosite.RefreshToken)
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if exp.IsZero() {
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// Unlimited lifetime
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return h.Enigma.Validate(token)
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}
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if !exp.IsZero() && exp.Before(time.Now().UTC()) {
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return errors.WithStack(fosite.ErrTokenExpired.WithHintf("Refresh token expired at \"%s\".", exp))
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}
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return h.Enigma.Validate(token)
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}
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func (h HMACSHAStrategy) GenerateAuthorizeCode(_ context.Context, _ fosite.Requester) (token string, signature string, err error) {
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return h.Enigma.Generate()
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}
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func (h HMACSHAStrategy) ValidateAuthorizeCode(_ context.Context, r fosite.Requester, token string) (err error) {
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var exp = r.GetSession().GetExpiresAt(fosite.AuthorizeCode)
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if exp.IsZero() && r.GetRequestedAt().Add(h.AuthorizeCodeLifespan).Before(time.Now().UTC()) {
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return errors.WithStack(fosite.ErrTokenExpired.WithHintf("Authorize code expired at \"%s\".", r.GetRequestedAt().Add(h.AuthorizeCodeLifespan)))
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}
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if !exp.IsZero() && exp.Before(time.Now().UTC()) {
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return errors.WithStack(fosite.ErrTokenExpired.WithHintf("Authorize code expired at \"%s\".", exp))
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}
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return h.Enigma.Validate(token)
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}
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