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  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You 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
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-->
<!doctype html>
<html lang="en-US">
<head>
    <title>Swagger UI: OAuth2 Redirect</title>
</head>
<body>
</body>
</html>
<script>
    'use strict';
    function run () {
        var oauth2 = window.opener.swaggerUIRedirectOauth2;
        var sentState = oauth2.state;
        var redirectUrl = oauth2.redirectUrl;
        var isValid, qp, arr;

        if (/code|token|error/.test(window.location.hash)) {
            qp = window.location.hash.substring(1);
        } else {
            qp = location.search.substring(1);
        }

        arr = qp.split("&")
        arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';})
        qp = qp ? JSON.parse('{' + arr.join() + '}',
                function (key, value) {
                    return key === "" ? value : decodeURIComponent(value)
                }
        ) : {}

        isValid = qp.state === sentState

        if ((
          oauth2.auth.schema.get("flow") === "accessCode"||
          oauth2.auth.schema.get("flow") === "authorizationCode"
        ) && !oauth2.auth.code) {
            if (!isValid) {
                oauth2.errCb({
                    authId: oauth2.auth.name,
                    source: "auth",
                    level: "warning",
                    message: "Authorization may be unsafe, passed state was changed in server Passed state wasn't returned from auth server"
                });
            }

            if (qp.code) {
                delete oauth2.state;
                oauth2.auth.code = qp.code;
                oauth2.callback({auth: oauth2.auth, redirectUrl: redirectUrl});
            } else {
                let oauthErrorMsg
                if (qp.error) {
                    oauthErrorMsg = "["+qp.error+"]: " +
                        (qp.error_description ? qp.error_description+ ". " : "no accessCode received from the server. ") +
                        (qp.error_uri ? "More info: "+qp.error_uri : "");
                }

                oauth2.errCb({
                    authId: oauth2.auth.name,
                    source: "auth",
                    level: "error",
                    message: oauthErrorMsg || "[Authorization failed]: no accessCode received from the server"
                });
            }
        } else {
            oauth2.callback({auth: oauth2.auth, token: qp, isValid: isValid, redirectUrl: redirectUrl});
        }
        window.close();
    }

    window.addEventListener('DOMContentLoaded', function () {
      run();
    });
</script>