229 lines
9.2 KiB
Go
229 lines
9.2 KiB
Go
package handlers
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import (
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"errors"
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"net/http"
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"net/url"
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"time"
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"github.com/ory/fosite"
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"github.com/authelia/authelia/v4/internal/authorization"
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"github.com/authelia/authelia/v4/internal/middlewares"
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"github.com/authelia/authelia/v4/internal/model"
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"github.com/authelia/authelia/v4/internal/oidc"
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"github.com/authelia/authelia/v4/internal/session"
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)
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// OpenIDConnectAuthorization handles GET/POST requests to the OpenID Connect 1.0 Authorization endpoint.
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//
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// https://openid.net/specs/openid-connect-core-1_0.html#AuthorizationEndpoint
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func OpenIDConnectAuthorization(ctx *middlewares.AutheliaCtx, rw http.ResponseWriter, r *http.Request) {
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var (
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requester fosite.AuthorizeRequester
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responder fosite.AuthorizeResponder
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client oidc.Client
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authTime time.Time
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issuer *url.URL
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err error
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)
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if requester, err = ctx.Providers.OpenIDConnect.NewAuthorizeRequest(ctx, r); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Request failed with error: %s", rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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clientID := requester.GetClient().GetID()
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ctx.Logger.Debugf("Authorization Request with id '%s' on client with id '%s' is being processed", requester.GetID(), clientID)
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if client, err = ctx.Providers.OpenIDConnect.GetFullClient(clientID); err != nil {
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if errors.Is(err, fosite.ErrNotFound) {
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: client was not found", requester.GetID(), clientID)
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} else {
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: failed to find client: %+v", requester.GetID(), clientID, err)
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}
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if err = client.ValidatePARPolicy(requester, ctx.Providers.OpenIDConnect.GetPushedAuthorizeRequestURIPrefix(ctx)); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' failed to validate the PAR policy: %s", requester.GetID(), clientID, rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if !oidc.IsPushedAuthorizedRequest(requester, ctx.Providers.OpenIDConnect.GetPushedAuthorizeRequestURIPrefix(ctx)) {
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if err = client.ValidatePKCEPolicy(requester); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' failed to validate the PKCE policy: %s", requester.GetID(), client.GetID(), rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if err = client.ValidateResponseModePolicy(requester); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' failed to validate the Response Mode: %s", requester.GetID(), client.GetID(), rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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}
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if err = client.ValidatePKCEPolicy(requester); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' failed to validate the PKCE policy: %s", requester.GetID(), clientID, rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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issuer = ctx.RootURL()
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var (
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userSession session.UserSession
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consent *model.OAuth2ConsentSession
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handled bool
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)
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if userSession, err = ctx.GetSession(); err != nil {
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: error occurred obtaining session information: %+v", requester.GetID(), client.GetID(), err)
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, fosite.ErrServerError.WithHint("Could not obtain the user session."))
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return
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}
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if consent, handled = handleOIDCAuthorizationConsent(ctx, issuer, client, userSession, rw, r, requester); handled {
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return
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}
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extraClaims := oidcGrantRequests(requester, consent, &userSession)
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if authTime, err = userSession.AuthenticatedTime(client.GetAuthorizationPolicy(authorization.Subject{Username: userSession.Username, Groups: userSession.Groups, IP: ctx.RemoteIP()})); err != nil {
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: error occurred checking authentication time: %+v", requester.GetID(), client.GetID(), err)
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, fosite.ErrServerError.WithHint("Could not obtain the authentication time."))
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return
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}
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ctx.Logger.Debugf("Authorization Request with id '%s' on client with id '%s' was successfully processed, proceeding to build Authorization Response", requester.GetID(), clientID)
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session := oidc.NewSessionWithAuthorizeRequest(issuer, ctx.Providers.OpenIDConnect.KeyManager.GetKeyID(ctx, client.GetIDTokenSigningKeyID(), client.GetIDTokenSigningAlg()), userSession.Username, userSession.AuthenticationMethodRefs.MarshalRFC8176(), extraClaims, authTime, consent, requester)
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ctx.Logger.Tracef("Authorization Request with id '%s' on client with id '%s' creating session for Authorization Response for subject '%s' with username '%s' with claims: %+v",
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requester.GetID(), session.ClientID, session.Subject, session.Username, session.Claims)
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if responder, err = ctx.Providers.OpenIDConnect.NewAuthorizeResponse(ctx, requester, session); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Authorization Response for Request with id '%s' on client with id '%s' could not be created: %s", requester.GetID(), clientID, rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if err = ctx.Providers.StorageProvider.SaveOAuth2ConsentSessionGranted(ctx, consent.ID); err != nil {
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ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: error occurred saving consent session: %+v", requester.GetID(), client.GetID(), err)
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, oidc.ErrConsentCouldNotSave)
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return
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}
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if requester.GetResponseMode() == oidc.ResponseModeFormPost {
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ctx.SetUserValueBytes(middlewares.UserValueKeyFormPost, true)
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}
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ctx.Providers.OpenIDConnect.WriteAuthorizeResponse(ctx, rw, requester, responder)
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}
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// OpenIDConnectPushedAuthorizationRequest handles POST requests to the OAuth 2.0 Pushed Authorization Requests endpoint.
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//
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// RFC9126 https://www.rfc-editor.org/rfc/rfc9126.html
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func OpenIDConnectPushedAuthorizationRequest(ctx *middlewares.AutheliaCtx, rw http.ResponseWriter, r *http.Request) {
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var (
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requester fosite.AuthorizeRequester
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responder fosite.PushedAuthorizeResponder
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err error
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)
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if requester, err = ctx.Providers.OpenIDConnect.NewPushedAuthorizeRequest(ctx, r); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Pushed Authorization Request failed with error: %s", rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
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return
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}
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var client oidc.Client
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clientID := requester.GetClient().GetID()
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if client, err = ctx.Providers.OpenIDConnect.GetFullClient(clientID); err != nil {
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if errors.Is(err, fosite.ErrNotFound) {
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ctx.Logger.Errorf("Pushed Authorization Request with id '%s' on client with id '%s' could not be processed: client was not found", requester.GetID(), clientID)
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} else {
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ctx.Logger.Errorf("Pushed Authorization Request with id '%s' on client with id '%s' could not be processed: failed to find client: %+v", requester.GetID(), clientID, err)
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}
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ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
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return
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}
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if err = client.ValidatePKCEPolicy(requester); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Pushed Authorization Request with id '%s' on client with id '%s' failed to validate the PKCE policy: %s", requester.GetID(), client.GetID(), rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if err = client.ValidateResponseModePolicy(requester); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Pushed Authorization Request with id '%s' on client with id '%s' failed to validate the Response Mode: %s", requester.GetID(), client.GetID(), rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
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return
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}
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if responder, err = ctx.Providers.OpenIDConnect.NewPushedAuthorizeResponse(ctx, requester, oidc.NewSession()); err != nil {
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rfc := fosite.ErrorToRFC6749Error(err)
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ctx.Logger.Errorf("Pushed Authorization Request failed with error: %s", rfc.WithExposeDebug(true).GetDescription())
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ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
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return
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}
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ctx.Providers.OpenIDConnect.WritePushedAuthorizeResponse(ctx, rw, requester, responder)
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}
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