feat: support casdoor as saml idp to connect keycloak (#832)

Signed-off-by: Yixiang Zhao <seriouszyx@foxmail.com>

web/src/ApplicationEditPage.js

@@ -474,6 +474,16 @@ class ApplicationEditPage extends React.Component {
             </Select>
           </Col>
         </Row>
+        <Row style={{marginTop: '20px'}} >
+          <Col style={{marginTop: '5px'}} span={(Setting.isMobile()) ? 19 : 2}>
+            {Setting.getLabel(i18next.t("application:Enable SAML compress"), i18next.t("application:Enable SAML compress - Tooltip"))} :
+          </Col>
+          <Col span={1} >
+            <Switch checked={this.state.application.enableSamlCompress} onChange={checked => {
+              this.updateApplicationField('enableSamlCompress', checked);
+            }} />
+          </Col>
+        </Row>
         <Row style={{marginTop: '20px'}} >
           <Col style={{marginTop: '5px'}} span={(Setting.isMobile()) ? 22 : 2}>
             {Setting.getLabel(i18next.t("application:SAML metadata"), i18next.t("application:SAML metadata - Tooltip"))} :
@@ -484,6 +494,14 @@ class ApplicationEditPage extends React.Component {
               options={{mode: 'xml', theme: 'default'}}
               onBeforeChange={(editor, data, value) => {}}
             />
+            <br/>
+            <Button style={{marginBottom: "10px"}} type="primary" shape="round" icon={<CopyOutlined />} onClick={() => {
+              copy(`${window.location.origin}/api/saml/metadata?application=admin/${encodeURIComponent(this.state.applicationName)}`);
+              Setting.showMessage("success", i18next.t("application:SAML metadata URL copied to clipboard successfully"));
+            }}
+            >
+              {i18next.t("application:Copy SAML metadata URL")}
+            </Button>
           </Col>
         </Row>
         <Row style={{marginTop: '20px'}} >

web/src/ApplicationListPage.js

@@ -35,6 +35,7 @@ class ApplicationListPage extends BaseListPage {
       enableSignUp: true,
       enableSigninSession: false,
       enableCodeSignin: false,
+      enableSamlCompress: false,
       providers: [
         {name: "provider_captcha_default", canSignUp: false, canSignIn: false, canUnlink: false, prompted: false, alertType: "None"},
       ],

web/src/locales/zh/data.json

@@ -7,11 +7,14 @@
   },
   "application": {
     "Copy prompt page URL": "复制提醒页面URL",
+    "Copy SAML metadata URL": "复制SAML元数据URL",
     "Copy signin page URL": "复制登录页面URL",
     "Copy signup page URL": "复制注册页面URL",
     "Edit Application": "编辑应用",
     "Enable code signin": "启用验证码登录",
     "Enable code signin - Tooltip": "是否允许用手机或邮箱验证码登录",
+    "Enable SAML compress": "压缩SAML响应",
+    "Enable SAML compress - Tooltip": "Casdoor作为SAML idp时，是否压缩SAML响应信息",
     "Enable signin session - Tooltip": "从应用登录Casdoor后，Casdoor是否保持会话",
     "Enable signup": "启用注册",
     "Enable signup - Tooltip": "是否允许用户注册",
@@ -30,6 +33,7 @@
     "Refresh token expire - Tooltip": "Refresh Token过期时间",
     "SAML metadata": "SAML元数据",
     "SAML metadata - Tooltip": "SAML协议的元数据（Metadata）信息",
+    "SAML metadata URL copied to clipboard successfully": "SAML元数据URL已成功复制到剪贴板",
     "Signin page URL copied to clipboard successfully, please paste it into the incognito window or another browser": "登录页面URL已成功复制到剪贴板，请粘贴到当前浏览器的隐身模式窗口或另一个浏览器访问",
     "Signin session": "保持登录会话",
     "Signup items": "注册项",