/
handler_oidc_authorization.go
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/
handler_oidc_authorization.go
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package handlers
import (
"errors"
"net/http"
"net/url"
"time"
oauthelia2 "authelia.com/provider/oauth2"
"github.com/authelia/authelia/v4/internal/authorization"
"github.com/authelia/authelia/v4/internal/middlewares"
"github.com/authelia/authelia/v4/internal/model"
"github.com/authelia/authelia/v4/internal/oidc"
"github.com/authelia/authelia/v4/internal/session"
)
// OpenIDConnectAuthorization handles GET/POST requests to the OpenID Connect 1.0 Authorization endpoint.
//
// https://openid.net/specs/openid-connect-core-1_0.html#AuthorizationEndpoint
func OpenIDConnectAuthorization(ctx *middlewares.AutheliaCtx, rw http.ResponseWriter, r *http.Request) {
var (
requester oauthelia2.AuthorizeRequester
responder oauthelia2.AuthorizeResponder
client oidc.Client
authTime time.Time
issuer *url.URL
err error
)
if requester, err = ctx.Providers.OpenIDConnect.NewAuthorizeRequest(ctx, r); err != nil {
ctx.Logger.Errorf("Authorization Request failed with error: %s", oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
return
}
clientID := requester.GetClient().GetID()
ctx.Logger.Debugf("Authorization Request with id '%s' on client with id '%s' is being processed", requester.GetID(), clientID)
if client, err = ctx.Providers.OpenIDConnect.GetFullClient(ctx, clientID); err != nil {
if errors.Is(err, oauthelia2.ErrNotFound) {
ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: client was not found", requester.GetID(), clientID)
} else {
ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' could not be processed: failed to find client: %s", requester.GetID(), clientID, oauthelia2.ErrorToDebugRFC6749Error(err))
}
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
return
}
if !oidc.IsPushedAuthorizedRequest(requester, ctx.Providers.OpenIDConnect.GetPushedAuthorizeRequestURIPrefix(ctx)) {
if err = client.ValidateResponseModePolicy(requester); err != nil {
ctx.Logger.Errorf("Authorization Request with id '%s' on client with id '%s' failed to validate the Response Mode: %s", requester.GetID(), client.GetID(), oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
return
}
}
var (
userSession session.UserSession
consent *model.OAuth2ConsentSession
handled bool
)
if userSession, err = ctx.GetSession(); err != nil {
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)
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, oauthelia2.ErrServerError.WithHint("Could not obtain the user session."))
return
}
issuer = ctx.RootURL()
if consent, handled = handleOIDCAuthorizationConsent(ctx, issuer, client, userSession, rw, r, requester); handled {
return
}
extraClaims := oidcGrantRequests(requester, consent, &userSession)
if authTime, err = userSession.AuthenticatedTime(client.GetAuthorizationPolicyRequiredLevel(authorization.Subject{Username: userSession.Username, Groups: userSession.Groups, IP: ctx.RemoteIP()})); err != nil {
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)
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, oauthelia2.ErrServerError.WithHint("Could not obtain the authentication time."))
return
}
ctx.Logger.Debugf("Authorization Request with id '%s' on client with id '%s' was successfully processed, proceeding to build Authorization Response", requester.GetID(), clientID)
session := oidc.NewSessionWithAuthorizeRequest(ctx, issuer, ctx.Providers.OpenIDConnect.KeyManager.GetKeyID(ctx, client.GetIDTokenSignedResponseKeyID(), client.GetIDTokenSignedResponseAlg()), userSession.Username, userSession.AuthenticationMethodRefs.MarshalRFC8176(), extraClaims, authTime, consent, requester)
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",
requester.GetID(), session.ClientID, session.Subject, session.Username, session.Claims)
ctx.Logger.WithFields(map[string]any{"id": requester.GetID(), "response_type": requester.GetResponseTypes(), "response_mode": requester.GetResponseMode(), "scope": requester.GetRequestedScopes(), "aud": requester.GetRequestedAudience(), "redirect_uri": requester.GetRedirectURI(), "state": requester.GetState()}).Tracef("Authorization Request is using the following request parameters")
if responder, err = ctx.Providers.OpenIDConnect.NewAuthorizeResponse(ctx, requester, session); err != nil {
ctx.Logger.Errorf("Authorization Response for Request with id '%s' on client with id '%s' could not be created: %s", requester.GetID(), clientID, oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, err)
return
}
if err = ctx.Providers.StorageProvider.SaveOAuth2ConsentSessionGranted(ctx, consent.ID); err != nil {
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)
ctx.Providers.OpenIDConnect.WriteAuthorizeError(ctx, rw, requester, oidc.ErrConsentCouldNotSave)
return
}
if requester.GetResponseMode() == oidc.ResponseModeFormPost {
ctx.SetUserValue(middlewares.UserValueKeyOpenIDConnectResponseModeFormPost, true)
}
responder.GetParameters().Set(oidc.FormParameterIssuer, issuer.String())
ctx.Providers.OpenIDConnect.WriteAuthorizeResponse(ctx, rw, requester, responder)
}
// OpenIDConnectPushedAuthorizationRequest handles POST requests to the OAuth 2.0 Pushed Authorization Requests endpoint.
//
// RFC9126 https://www.rfc-editor.org/rfc/rfc9126.html
func OpenIDConnectPushedAuthorizationRequest(ctx *middlewares.AutheliaCtx, rw http.ResponseWriter, r *http.Request) {
var (
requester oauthelia2.AuthorizeRequester
responder oauthelia2.PushedAuthorizeResponder
err error
)
if requester, err = ctx.Providers.OpenIDConnect.NewPushedAuthorizeRequest(ctx, r); err != nil {
ctx.Logger.Errorf("Pushed Authorization Request failed with error: %s", oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
return
}
var client oidc.Client
clientID := requester.GetClient().GetID()
if client, err = ctx.Providers.OpenIDConnect.GetFullClient(ctx, clientID); err != nil {
if errors.Is(err, oauthelia2.ErrNotFound) {
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)
} else {
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)
}
ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
return
}
if err = client.ValidateResponseModePolicy(requester); err != nil {
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(), oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
return
}
if responder, err = ctx.Providers.OpenIDConnect.NewPushedAuthorizeResponse(ctx, requester, oidc.NewSession()); err != nil {
ctx.Logger.Errorf("Pushed Authorization Request failed with error: %s", oauthelia2.ErrorToDebugRFC6749Error(err))
ctx.Providers.OpenIDConnect.WritePushedAuthorizeError(ctx, rw, requester, err)
return
}
ctx.Providers.OpenIDConnect.WritePushedAuthorizeResponse(ctx, rw, requester, responder)
}