helper.go

Documentation: github.com/ory/fosite/handler/oauth2

     1  /*
     2   * Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   * @author		Aeneas Rekkas <aeneas+oss@aeneas.io>
    17   * @copyright 	2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
    18   * @license 	Apache-2.0
    19   *
    20   */
    21  
    22  package oauth2
    23  
    24  import (
    25  	"context"
    26  	"time"
    27  
    28  	"github.com/ory/fosite"
    29  )
    30  
    31  type HandleHelper struct {
    32  	AccessTokenStrategy  AccessTokenStrategy
    33  	AccessTokenStorage   AccessTokenStorage
    34  	AccessTokenLifespan  time.Duration
    35  	RefreshTokenLifespan time.Duration
    36  }
    37  
    38  func (h *HandleHelper) IssueAccessToken(ctx context.Context, requester fosite.AccessRequester, responder fosite.AccessResponder) error {
    39  	token, signature, err := h.AccessTokenStrategy.GenerateAccessToken(ctx, requester)
    40  	if err != nil {
    41  		return err
    42  	} else if err := h.AccessTokenStorage.CreateAccessTokenSession(ctx, signature, requester.Sanitize([]string{})); err != nil {
    43  		return err
    44  	}
    45  
    46  	responder.SetAccessToken(token)
    47  	responder.SetTokenType("bearer")
    48  	responder.SetExpiresIn(getExpiresIn(requester, fosite.AccessToken, h.AccessTokenLifespan, time.Now().UTC()))
    49  	responder.SetScopes(requester.GetGrantedScopes())
    50  	return nil
    51  }
    52  
    53  func getExpiresIn(r fosite.Requester, key fosite.TokenType, defaultLifespan time.Duration, now time.Time) time.Duration {
    54  	if r.GetSession().GetExpiresAt(key).IsZero() {
    55  		return defaultLifespan
    56  	}
    57  	return time.Duration(r.GetSession().GetExpiresAt(key).UnixNano() - now.UnixNano())
    58  }
    59
View as plain text