api/vendor/github.com/ory/fosite/handler/oauth2/flow_resource_owner.go
2020-06-26 11:11:27 +02:00

116 lines
4.5 KiB
Go

/*
* Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*
*/
package oauth2
import (
"context"
"time"
"github.com/pkg/errors"
"github.com/ory/fosite"
)
type ResourceOwnerPasswordCredentialsGrantHandler struct {
// ResourceOwnerPasswordCredentialsGrantStorage is used to persist session data across requests.
ResourceOwnerPasswordCredentialsGrantStorage ResourceOwnerPasswordCredentialsGrantStorage
RefreshTokenStrategy RefreshTokenStrategy
ScopeStrategy fosite.ScopeStrategy
AudienceMatchingStrategy fosite.AudienceMatchingStrategy
RefreshTokenScopes []string
*HandleHelper
}
// HandleTokenEndpointRequest implements https://tools.ietf.org/html/rfc6749#section-4.3.2
func (c *ResourceOwnerPasswordCredentialsGrantHandler) HandleTokenEndpointRequest(ctx context.Context, request fosite.AccessRequester) error {
// grant_type REQUIRED.
// Value MUST be set to "password".
if !request.GetGrantTypes().ExactOne("password") {
return errors.WithStack(fosite.ErrUnknownRequest)
}
if !request.GetClient().GetGrantTypes().Has("password") {
return errors.WithStack(fosite.ErrInvalidGrant.WithHint("The client is not allowed to use authorization grant \"password\"."))
}
client := request.GetClient()
for _, scope := range request.GetRequestedScopes() {
if !c.ScopeStrategy(client.GetScopes(), scope) {
return errors.WithStack(fosite.ErrInvalidScope.WithHintf("The OAuth 2.0 Client is not allowed to request scope \"%s\".", scope))
}
}
if err := c.AudienceMatchingStrategy(client.GetAudience(), request.GetRequestedAudience()); err != nil {
return err
}
username := request.GetRequestForm().Get("username")
password := request.GetRequestForm().Get("password")
if username == "" || password == "" {
return errors.WithStack(fosite.ErrInvalidRequest.WithHint("Username or password are missing from the POST body."))
} else if err := c.ResourceOwnerPasswordCredentialsGrantStorage.Authenticate(ctx, username, password); errors.Cause(err) == fosite.ErrNotFound {
return errors.WithStack(fosite.ErrRequestUnauthorized.WithHint("Unable to authenticate the provided username and password credentials.").WithDebug(err.Error()))
} else if err != nil {
return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
}
// Credentials must not be passed around, potentially leaking to the database!
delete(request.GetRequestForm(), "password")
request.GetSession().SetExpiresAt(fosite.AccessToken, time.Now().UTC().Add(c.AccessTokenLifespan).Round(time.Second))
if c.RefreshTokenLifespan > -1 {
request.GetSession().SetExpiresAt(fosite.RefreshToken, time.Now().UTC().Add(c.RefreshTokenLifespan).Round(time.Second))
}
return nil
}
// PopulateTokenEndpointResponse implements https://tools.ietf.org/html/rfc6749#section-4.3.3
func (c *ResourceOwnerPasswordCredentialsGrantHandler) PopulateTokenEndpointResponse(ctx context.Context, requester fosite.AccessRequester, responder fosite.AccessResponder) error {
if !requester.GetGrantTypes().ExactOne("password") {
return errors.WithStack(fosite.ErrUnknownRequest)
}
var refresh, refreshSignature string
if len(c.RefreshTokenScopes) == 0 || requester.GetGrantedScopes().HasOneOf(c.RefreshTokenScopes...) {
var err error
refresh, refreshSignature, err = c.RefreshTokenStrategy.GenerateRefreshToken(ctx, requester)
if err != nil {
return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
} else if err := c.ResourceOwnerPasswordCredentialsGrantStorage.CreateRefreshTokenSession(ctx, refreshSignature, requester.Sanitize([]string{})); err != nil {
return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
}
}
if err := c.IssueAccessToken(ctx, requester, responder); err != nil {
return err
}
if refresh != "" {
responder.SetExtra("refresh_token", refresh)
}
return nil
}