feat: support copying token to clipboard for casdoor-app (#3345)

* feat: support copy token to clipboard for casdoor-app auth

* feat: abstract casdoor-app related code

web/src/common/CasdoorAppConnector.js

@@ -0,0 +1,121 @@
+// Copyright 2024 The Casdoor 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.
+
+import React from "react";
+import {Alert, Button, QRCode} from "antd";
+import * as Setting from "../Setting";
+import i18next from "i18next";
+
+export const generateCasdoorAppUrl = (accessToken, forQrCode = true) => {
+  let qrUrl = "";
+  let error = null;
+
+  if (!accessToken) {
+    error = i18next.t("general:Access token is empty");
+    return {qrUrl, error};
+  }
+
+  qrUrl = `casdoor-app://login?serverUrl=${window.location.origin}&accessToken=${accessToken}`;
+
+  if (forQrCode && qrUrl.length >= 2000) {
+    qrUrl = "";
+    error = i18next.t("general:QR code is too large");
+  }
+
+  return {qrUrl, error};
+};
+
+export const CasdoorAppQrCode = ({accessToken, icon}) => {
+  const {qrUrl, error} = generateCasdoorAppUrl(accessToken, true);
+
+  if (error) {
+    return <Alert message={error} type="error" showIcon />;
+  }
+
+  return (
+    <QRCode
+      value={qrUrl}
+      icon={icon}
+      errorLevel="M"
+      size={230}
+      bordered={false}
+    />
+  );
+};
+
+export const CasdoorAppUrl = ({accessToken}) => {
+  const {qrUrl, error} = generateCasdoorAppUrl(accessToken, false);
+
+  const handleCopyUrl = async() => {
+    if (!window.isSecureContext) {
+      return;
+    }
+
+    try {
+      await navigator.clipboard.writeText(qrUrl);
+      Setting.showMessage("success", i18next.t("general:Copied to clipboard"));
+    } catch (err) {
+      Setting.showMessage("error", i18next.t("general:Failed to copy"));
+    }
+  };
+
+  if (error) {
+    return <Alert message={error} type="error" showIcon />;
+  }
+
+  return (
+    <div>
+      <div style={{
+        display: "flex",
+        justifyContent: "space-between",
+        alignItems: "center",
+        marginBottom: "10px",
+      }}>
+        <span>{i18next.t("general:URL String")}</span>
+        {window.isSecureContext && (
+          <Button
+            size="small"
+            onClick={handleCopyUrl}
+            style={{marginLeft: "10px"}}
+          >
+            {i18next.t("general:Copy URL")}
+          </Button>
+        )}
+      </div>
+      <div
+        style={{
+          padding: "10px",
+          maxWidth: "400px",
+          maxHeight: "100px",
+          overflow: "auto",
+          wordBreak: "break-all",
+          whiteSpace: "pre-wrap",
+          cursor: "pointer",
+          userSelect: "all",
+          backgroundColor: "#f5f5f5",
+          borderRadius: "4px",
+        }}
+        onClick={(e) => {
+          const selection = window.getSelection();
+          const range = document.createRange();
+          range.selectNodeContents(e.target);
+          selection.removeAllRanges();
+          selection.addRange(range);
+        }}
+      >
+        {qrUrl}
+      </div>
+    </div>
+  );
+};