Files
casdoor/service/oauth.go
2026-03-06 01:02:16 +08:00

91 lines
2.9 KiB
Go

// Copyright 2023 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package service
import (
"fmt"
"net/http"
"net/url"
"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
"github.com/casdoor/casdoor/object"
"github.com/casdoor/casdoor/util"
)
func getSigninUrl(casdoorClient *casdoorsdk.Client, callbackUrl string, originalPath string) string {
scope := "read"
return fmt.Sprintf("%s/login/oauth/authorize?client_id=%s&response_type=code&redirect_uri=%s&scope=%s&state=%s",
casdoorClient.Endpoint, casdoorClient.ClientId, url.QueryEscape(callbackUrl), scope, url.QueryEscape(originalPath))
}
func redirectToCasdoor(casdoorClient *casdoorsdk.Client, w http.ResponseWriter, r *http.Request) {
scheme := getScheme(r)
callbackUrl := fmt.Sprintf("%s://%s/caswaf-handler", scheme, r.Host)
originalPath := r.RequestURI
signinUrl := getSigninUrl(casdoorClient, callbackUrl, originalPath)
http.Redirect(w, r, signinUrl, http.StatusFound)
}
func handleAuthCallback(w http.ResponseWriter, r *http.Request) {
site := getSiteByDomainWithWww(r.Host)
if site == nil {
responseError(w, "CasWAF error: site not found for host: %s", r.Host)
return
}
code := r.URL.Query().Get("code")
state := r.URL.Query().Get("state")
if code == "" {
responseError(w, "CasWAF error: the code should not be empty")
return
} else if state == "" {
responseError(w, "CasWAF error: the state should not be empty")
return
}
application, err := object.GetApplication(util.GetId(site.Owner, site.CasdoorApplication))
if err != nil {
responseError(w, "CasWAF error: casdoorClient.GetOAuthToken() error: %s", err.Error())
return
}
//casdoorClient, err := getCasdoorClientFromSite(site)
//if err != nil {
// responseError(w, "CasWAF error: getCasdoorClientFromSite() error: %s", err.Error())
// return
//}
token, tokenError, err := object.GetAuthorizationCodeToken(application, application.ClientSecret, code, "", "")
if tokenError != nil {
responseError(w, "CasWAF error: casdoorClient.GetOAuthToken() error: %s", tokenError.Error)
return
}
if err != nil {
responseError(w, "CasWAF error: casdoorClient.GetOAuthToken() error: %s", err.Error())
return
}
cookie := &http.Cookie{
Name: "casdoor_access_token",
Value: token.AccessToken,
Path: "/",
}
http.SetCookie(w, cookie)
originalPath := state
http.Redirect(w, r, originalPath, http.StatusFound)
}