forked from vikunja/vikunja
116 lines
4.5 KiB
Go
116 lines
4.5 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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)
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type ResourceOwnerPasswordCredentialsGrantHandler struct {
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// ResourceOwnerPasswordCredentialsGrantStorage is used to persist session data across requests.
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ResourceOwnerPasswordCredentialsGrantStorage ResourceOwnerPasswordCredentialsGrantStorage
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RefreshTokenStrategy RefreshTokenStrategy
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ScopeStrategy fosite.ScopeStrategy
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AudienceMatchingStrategy fosite.AudienceMatchingStrategy
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RefreshTokenScopes []string
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*HandleHelper
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}
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// HandleTokenEndpointRequest implements https://tools.ietf.org/html/rfc6749#section-4.3.2
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func (c *ResourceOwnerPasswordCredentialsGrantHandler) HandleTokenEndpointRequest(ctx context.Context, request fosite.AccessRequester) error {
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// grant_type REQUIRED.
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// Value MUST be set to "password".
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if !request.GetGrantTypes().ExactOne("password") {
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return errors.WithStack(fosite.ErrUnknownRequest)
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}
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if !request.GetClient().GetGrantTypes().Has("password") {
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return errors.WithStack(fosite.ErrInvalidGrant.WithHint("The client is not allowed to use authorization grant \"password\"."))
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}
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client := request.GetClient()
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for _, scope := range request.GetRequestedScopes() {
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if !c.ScopeStrategy(client.GetScopes(), scope) {
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return errors.WithStack(fosite.ErrInvalidScope.WithHintf("The OAuth 2.0 Client is not allowed to request scope \"%s\".", scope))
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}
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}
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if err := c.AudienceMatchingStrategy(client.GetAudience(), request.GetRequestedAudience()); err != nil {
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return err
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}
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username := request.GetRequestForm().Get("username")
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password := request.GetRequestForm().Get("password")
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if username == "" || password == "" {
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return errors.WithStack(fosite.ErrInvalidRequest.WithHint("Username or password are missing from the POST body."))
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} else if err := c.ResourceOwnerPasswordCredentialsGrantStorage.Authenticate(ctx, username, password); errors.Cause(err) == fosite.ErrNotFound {
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return errors.WithStack(fosite.ErrRequestUnauthorized.WithHint("Unable to authenticate the provided username and password credentials.").WithDebug(err.Error()))
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} else if err != nil {
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return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
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}
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// Credentials must not be passed around, potentially leaking to the database!
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delete(request.GetRequestForm(), "password")
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request.GetSession().SetExpiresAt(fosite.AccessToken, time.Now().UTC().Add(c.AccessTokenLifespan).Round(time.Second))
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if c.RefreshTokenLifespan > -1 {
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request.GetSession().SetExpiresAt(fosite.RefreshToken, time.Now().UTC().Add(c.RefreshTokenLifespan).Round(time.Second))
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}
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return nil
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}
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// PopulateTokenEndpointResponse implements https://tools.ietf.org/html/rfc6749#section-4.3.3
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func (c *ResourceOwnerPasswordCredentialsGrantHandler) PopulateTokenEndpointResponse(ctx context.Context, requester fosite.AccessRequester, responder fosite.AccessResponder) error {
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if !requester.GetGrantTypes().ExactOne("password") {
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return errors.WithStack(fosite.ErrUnknownRequest)
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}
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var refresh, refreshSignature string
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if len(c.RefreshTokenScopes) == 0 || requester.GetGrantedScopes().HasOneOf(c.RefreshTokenScopes...) {
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var err error
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refresh, refreshSignature, err = c.RefreshTokenStrategy.GenerateRefreshToken(ctx, requester)
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if err != nil {
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return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
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} else if err := c.ResourceOwnerPasswordCredentialsGrantStorage.CreateRefreshTokenSession(ctx, refreshSignature, requester.Sanitize([]string{})); err != nil {
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return errors.WithStack(fosite.ErrServerError.WithDebug(err.Error()))
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}
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}
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if err := c.IssueAccessToken(ctx, requester, responder); err != nil {
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return err
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}
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if refresh != "" {
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responder.SetExtra("refresh_token", refresh)
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}
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return nil
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}
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