feat: fix CAS login bug (#2230)

* fix: cas login

* fix: cas login

* feat: rollback get-default-app change

* fix : move cas restrict logic to GetApplicationLogin()

* fix: format code

* fix: fix getOAuthGetParameters for cas

* fix: fix getOAuthGetParameters for cas

* fix: cas login

controllers/auth.go

@@ -187,12 +187,35 @@ func (c *ApiController) GetApplicationLogin() {
 	redirectUri := c.Input().Get("redirectUri")
 	scope := c.Input().Get("scope")
 	state := c.Input().Get("state")
+	id := c.Input().Get("id")
+	loginType := c.Input().Get("type")
 
-	msg, application, err := object.CheckOAuthLogin(clientId, responseType, redirectUri, scope, state, c.GetAcceptLanguage())
+	var application *object.Application
+	var msg string
+	var err error
+	if loginType == "code" {
+		msg, application, err = object.CheckOAuthLogin(clientId, responseType, redirectUri, scope, state, c.GetAcceptLanguage())
 		if err != nil {
 			c.ResponseError(err.Error())
 			return
 		}
+	} else if loginType == "cas" {
+		application, err = object.GetApplication(id)
+		if err != nil {
+			c.ResponseError(err.Error())
+			return
+		}
+		if application == nil {
+			c.ResponseError(fmt.Sprintf(c.T("auth:The application: %s does not exist"), id))
+			return
+		}
+
+		err = object.CheckCasLogin(application, c.GetAcceptLanguage(), redirectUri)
+		if err != nil {
+			c.ResponseError(err.Error())
+			return
+		}
+	}
 
 	application = object.GetMaskedApplication(application, "")
 	if msg != "" {

object/token_cas.go

@@ -26,6 +26,7 @@ import (
 	"time"
 
 	"github.com/beevik/etree"
+	"github.com/casdoor/casdoor/i18n"
 	"github.com/casdoor/casdoor/util"
 	dsig "github.com/russellhaering/goxmldsig"
 )
@@ -122,6 +123,13 @@ var stToServiceResponse sync.Map
 // pgt is short for proxy granting ticket
 var pgtToServiceResponse sync.Map
 
+func CheckCasLogin(application *Application, lang string, service string) error {
+	if len(application.RedirectUris) > 0 && !application.IsRedirectUriValid(service) {
+		return fmt.Errorf(i18n.Translate(lang, "token:Redirect URI: %s doesn't exist in the allowed Redirect URI list"), service)
+	}
+	return nil
+}
+
 func StoreCasTokenForPgt(token *CasAuthenticationSuccess, service, userId string) string {
 	pgt := fmt.Sprintf("PGT-%s", util.GenerateId())
 	pgtToServiceResponse.Store(pgt, &CasAuthenticationSuccessWrapper{

web/src/auth/AuthBackend.js

@@ -46,6 +46,10 @@ export function getEmailAndPhone(organization, username) {
   }).then((res) => res.json());
 }
 
+export function casLoginParamsToQuery(casParams) {
+  return `?type=${casParams?.type}&id=${casParams?.id}&redirectUri=${casParams?.service}`;
+}
+
 export function oAuthParamsToQuery(oAuthParams) {
   // login
   if (oAuthParams === null || oAuthParams === undefined) {
@@ -53,11 +57,12 @@ export function oAuthParamsToQuery(oAuthParams) {
   }
 
   // code
-  return `?clientId=${oAuthParams.clientId}&responseType=${oAuthParams.responseType}&redirectUri=${encodeURIComponent(oAuthParams.redirectUri)}&scope=${oAuthParams.scope}&state=${oAuthParams.state}&nonce=${oAuthParams.nonce}&code_challenge_method=${oAuthParams.challengeMethod}&code_challenge=${oAuthParams.codeChallenge}`;
+  return `?clientId=${oAuthParams.clientId}&responseType=${oAuthParams.responseType}&redirectUri=${encodeURIComponent(oAuthParams.redirectUri)}&type=${oAuthParams.type}&scope=${oAuthParams.scope}&state=${oAuthParams.state}&nonce=${oAuthParams.nonce}&code_challenge_method=${oAuthParams.challengeMethod}&code_challenge=${oAuthParams.codeChallenge}`;
 }
 
-export function getApplicationLogin(oAuthParams) {
-  return fetch(`${authConfig.serverUrl}/api/get-app-login${oAuthParamsToQuery(oAuthParams)}`, {
+export function getApplicationLogin(params) {
+  const queryParams = (params?.type === "cas") ? casLoginParamsToQuery(params) : oAuthParamsToQuery(params);
+  return fetch(`${authConfig.serverUrl}/api/get-app-login${queryParams}`, {
     method: "GET",
     credentials: "include",
     headers: {

web/src/auth/LoginPage.js

@@ -71,9 +71,9 @@ class LoginPage extends React.Component {
 
   componentDidMount() {
     if (this.getApplicationObj() === undefined) {
-      if (this.state.type === "login" || this.state.type === "cas" || this.state.type === "saml") {
+      if (this.state.type === "login" || this.state.type === "saml") {
         this.getApplication();
-      } else if (this.state.type === "code") {
+      } else if (this.state.type === "code" || this.state.type === "cas") {
         this.getApplicationLogin();
       } else {
         Setting.showMessage("error", `Unknown authentication type: ${this.state.type}`);
@@ -143,8 +143,8 @@ class LoginPage extends React.Component {
   }
 
   getApplicationLogin() {
-    const oAuthParams = Util.getOAuthGetParameters();
-    AuthBackend.getApplicationLogin(oAuthParams)
+    const loginParams = (this.state.type === "cas") ? Util.getCasLoginParameters("admin", this.state.applicationName) : Util.getOAuthGetParameters();
+    AuthBackend.getApplicationLogin(loginParams)
       .then((res) => {
         if (res.status === "ok") {
           const application = res.data;
@@ -167,8 +167,11 @@ class LoginPage extends React.Component {
       ApplicationBackend.getApplication("admin", this.state.applicationName)
         .then((res) => {
           if (res.status === "error") {
-            Setting.showMessage("error", res.msg);
-            return;
+            this.onUpdateApplication(null);
+            this.setState({
+              msg: res.msg,
+            });
+            return ;
           }
           this.onUpdateApplication(res.data);
         });

web/src/auth/Util.js

@@ -96,6 +96,20 @@ function getRawGetParameter(key) {
   return res;
 }
 
+export function getCasLoginParameters(owner, name) {
+  const queries = new URLSearchParams(window.location.search);
+  // CAS service
+  let service = getRawGetParameter("service");
+  if (service === "") {
+    service = getRefinedValue(queries.get("service"));
+  }
+  return {
+    id: `${owner}/${encodeURIComponent(name)}`, // application ID,
+    service: service,
+    type: "cas",
+  };
+}
+
 export function getOAuthGetParameters(params) {
   const queries = (params !== undefined) ? params : new URLSearchParams(window.location.search);
   const clientId = getRefinedValue(queries.get("client_id"));
@@ -144,6 +158,7 @@ export function getOAuthGetParameters(params) {
       samlRequest: samlRequest,
       relayState: relayState,
       noRedirect: noRedirect,
+      type: "code",
     };
   }
 }