mirror of https://github.com/ory/hydra
110 lines
3.8 KiB
Go
110 lines
3.8 KiB
Go
// Copyright © 2025 Ory Corp
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// SPDX-License-Identifier: Apache-2.0
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package oauth2
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import (
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"context"
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"net/url"
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"strings"
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"time"
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"github.com/ory/hydra/v2/fosite"
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"github.com/ory/x/errorsx"
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)
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var (
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_ fosite.AuthorizeEndpointHandler = (*AuthorizeExplicitGrantHandler)(nil)
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_ fosite.TokenEndpointHandler = (*AuthorizeExplicitGrantHandler)(nil)
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)
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// AuthorizeExplicitGrantHandler is a response handler for the Authorize Code grant using the explicit grant type
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// as defined in https://tools.ietf.org/html/rfc6749#section-4.1
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type AuthorizeExplicitGrantHandler struct {
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Storage interface {
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AuthorizeCodeStorageProvider
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AccessTokenStorageProvider
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RefreshTokenStorageProvider
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TokenRevocationStorageProvider
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}
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Strategy CoreStrategyProvider
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Config interface {
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fosite.AuthorizeCodeLifespanProvider
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fosite.AccessTokenLifespanProvider
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fosite.RefreshTokenLifespanProvider
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fosite.ScopeStrategyProvider
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fosite.AudienceStrategyProvider
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fosite.RedirectSecureCheckerProvider
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fosite.RefreshTokenScopesProvider
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fosite.OmitRedirectScopeParamProvider
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fosite.SanitationAllowedProvider
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}
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}
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func (c *AuthorizeExplicitGrantHandler) secureChecker(ctx context.Context) func(context.Context, *url.URL) bool {
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if c.Config.GetRedirectSecureChecker(ctx) == nil {
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return fosite.IsRedirectURISecure
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}
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return c.Config.GetRedirectSecureChecker(ctx)
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}
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func (c *AuthorizeExplicitGrantHandler) HandleAuthorizeEndpointRequest(ctx context.Context, ar fosite.AuthorizeRequester, resp fosite.AuthorizeResponder) error {
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// This let's us define multiple response types, for example open id connect's id_token
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if !ar.GetResponseTypes().ExactOne("code") {
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return nil
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}
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ar.SetDefaultResponseMode(fosite.ResponseModeQuery)
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// Disabled because this is already handled at the authorize_request_handler
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// if !ar.GetClient().GetResponseTypes().Has("code") {
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// return errorsx.WithStack(fosite.ErrInvalidGrant)
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// }
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if !c.secureChecker(ctx)(ctx, ar.GetRedirectURI()) {
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return errorsx.WithStack(fosite.ErrInvalidRequest.WithHint("Redirect URL is using an insecure protocol, http is only allowed for hosts with suffix 'localhost', for example: http://myapp.localhost/."))
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}
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client := ar.GetClient()
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for _, scope := range ar.GetRequestedScopes() {
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if !c.Config.GetScopeStrategy(ctx)(client.GetScopes(), scope) {
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return errorsx.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.Config.GetAudienceStrategy(ctx)(client.GetAudience(), ar.GetRequestedAudience()); err != nil {
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return err
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}
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return c.IssueAuthorizeCode(ctx, ar, resp)
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}
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func (c *AuthorizeExplicitGrantHandler) IssueAuthorizeCode(ctx context.Context, ar fosite.AuthorizeRequester, resp fosite.AuthorizeResponder) error {
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code, signature, err := c.Strategy.AuthorizeCodeStrategy().GenerateAuthorizeCode(ctx, ar)
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if err != nil {
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return errorsx.WithStack(fosite.ErrServerError.WithWrap(err).WithDebug(err.Error()))
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}
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ar.GetSession().SetExpiresAt(fosite.AuthorizeCode, time.Now().UTC().Add(c.Config.GetAuthorizeCodeLifespan(ctx)))
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if err := c.Storage.AuthorizeCodeStorage().CreateAuthorizeCodeSession(ctx, signature, ar.Sanitize(c.GetSanitationWhiteList(ctx))); err != nil {
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return errorsx.WithStack(fosite.ErrServerError.WithWrap(err).WithDebug(err.Error()))
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}
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resp.AddParameter("code", code)
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resp.AddParameter("state", ar.GetState())
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if !c.Config.GetOmitRedirectScopeParam(ctx) {
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resp.AddParameter("scope", strings.Join(ar.GetGrantedScopes(), " "))
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}
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ar.SetResponseTypeHandled("code")
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return nil
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}
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func (c *AuthorizeExplicitGrantHandler) GetSanitationWhiteList(ctx context.Context) []string {
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if allowedList := c.Config.GetSanitationWhiteList(ctx); len(allowedList) > 0 {
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return allowedList
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}
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return []string{"code", "redirect_uri"}
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}
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