111 lines
4.5 KiB
Go
111 lines
4.5 KiB
Go
package handlers
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import (
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"errors"
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"net/http"
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"time"
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"github.com/ory/fosite"
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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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)
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// OpenIDConnectAuthorizationGET handles GET 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 OpenIDConnectAuthorizationGET(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 string
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err error
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)
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if requester, err = ctx.Providers.OpenIDConnect.Fosite.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.Fosite.WriteAuthorizeError(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.Store.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.Fosite.WriteAuthorizeError(rw, requester, err)
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return
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}
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if issuer, err = ctx.ExternalRootURL(); 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 determining issuer: %+v", requester.GetID(), clientID, err)
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ctx.Providers.OpenIDConnect.Fosite.WriteAuthorizeError(rw, requester, fosite.ErrServerError.WithHint("Could not determine issuer."))
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return
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}
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userSession := ctx.GetSession()
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var (
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consent *model.OAuth2ConsentSession
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handled bool
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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.Policy); 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.Fosite.WriteAuthorizeError(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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oidcSession := oidc.NewSessionWithAuthorizeRequest(issuer, ctx.Providers.OpenIDConnect.KeyManager.GetActiveKeyID(),
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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(), oidcSession.ClientID, oidcSession.Subject, oidcSession.Username, oidcSession.Claims)
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if responder, err = ctx.Providers.OpenIDConnect.Fosite.NewAuthorizeResponse(ctx, requester, oidcSession); 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.Fosite.WriteAuthorizeError(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.Fosite.WriteAuthorizeError(rw, requester, fosite.ErrServerError.WithHint("Could not save the session."))
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return
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}
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ctx.Providers.OpenIDConnect.Fosite.WriteAuthorizeResponse(rw, requester, responder)
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}
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