124 lines
3.9 KiB
Go
124 lines
3.9 KiB
Go
// This file is part of MinIO Console Server
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// Copyright (c) 2021 MinIO, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package api
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"time"
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"github.com/go-openapi/errors"
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"github.com/go-openapi/runtime"
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"github.com/go-openapi/runtime/middleware"
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"github.com/minio/console/api/operations"
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authApi "github.com/minio/console/api/operations/auth"
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"github.com/minio/console/models"
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"github.com/minio/console/pkg/auth/idp/oauth2"
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)
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func registerLogoutHandlers(api *operations.ConsoleAPI) {
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// logout from console
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api.AuthLogoutHandler = authApi.LogoutHandlerFunc(func(params authApi.LogoutParams, session *models.Principal) middleware.Responder {
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err := getLogoutResponse(session, params)
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if err != nil {
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api.Logger("IDP logout failed: %v", err.APIError.DetailedMessage)
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}
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// Custom response writer to expire the session cookies
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return middleware.ResponderFunc(func(w http.ResponseWriter, p runtime.Producer) {
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if err != nil {
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w.Header().Set("IDP-Logout", fmt.Sprintf("%v", err.APIError.DetailedMessage))
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}
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expiredCookie := ExpireSessionCookie()
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// this will tell the browser to clear the cookie and invalidate user session
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// additionally we are deleting the cookie from the client side
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http.SetCookie(w, &expiredCookie)
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http.SetCookie(w, &http.Cookie{
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Path: "/",
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Name: "idp-refresh-token",
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Value: "",
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MaxAge: -1,
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Expires: time.Now().Add(-100 * time.Hour),
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HttpOnly: true,
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Secure: len(GlobalPublicCerts) > 0,
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SameSite: http.SameSiteLaxMode,
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})
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authApi.NewLogoutOK().WriteResponse(w, p)
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})
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})
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}
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// logout() call Expire() on the provided ConsoleCredentials
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func logout(credentials ConsoleCredentialsI) {
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credentials.Expire()
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}
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// getLogoutResponse performs logout() and returns nil or errors
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func getLogoutResponse(session *models.Principal, params authApi.LogoutParams) *CodedAPIError {
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ctx, cancel := context.WithCancel(params.HTTPRequest.Context())
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defer cancel()
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state := params.Body.State
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if state != "" {
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if err := logoutFromIDPProvider(params.HTTPRequest, state); err != nil {
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return ErrorWithContext(ctx, err)
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}
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}
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creds := getConsoleCredentialsFromSession(session)
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credentials := ConsoleCredentials{ConsoleCredentials: creds}
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logout(credentials)
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return nil
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}
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func logoutFromIDPProvider(r *http.Request, state string) error {
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decodedRState, err := base64.StdEncoding.DecodeString(state)
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if err != nil {
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return err
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}
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var requestItems oauth2.LoginURLParams
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err = json.Unmarshal(decodedRState, &requestItems)
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if err != nil {
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return err
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}
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providerCfg := GlobalMinIOConfig.OpenIDProviders[requestItems.IDPName]
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refreshToken, err := r.Cookie("idp-refresh-token")
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if err != nil {
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return err
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}
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if providerCfg.EndSessionEndpoint != "" {
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params := url.Values{}
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params.Add("client_id", providerCfg.ClientID)
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params.Add("client_secret", providerCfg.ClientSecret)
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params.Add("refresh_token", refreshToken.Value)
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client := &http.Client{
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Transport: GlobalTransport,
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}
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result, err := client.PostForm(providerCfg.EndSessionEndpoint, params)
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if err != nil {
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return errors.New(500, "failed to logout: %v", err.Error())
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}
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if result.StatusCode != 204 {
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return errors.New(int32(result.StatusCode), "failed to logout")
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}
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}
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return nil
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}
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