zeppelin-web-angular/src/app/services/base-url.service.ts

/*
 * 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 { Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class BaseUrlService {
  getPort() {
    let port = Number(location.port);
    if (!port) {
      port = 80;
      if (location.protocol === 'https:') {
        port = 443;
      }
    }
    return port;
  }

  getWebsocketUrl() {
    const wsProtocol = location.protocol === 'https:' ? 'wss:' : 'ws:';
    return `${wsProtocol}//${location.hostname}:${this.getPort()}${this.skipTrailingSlash(location.pathname)}/ws`;
  }

  getBase() {
    return `${location.protocol}//${location.hostname}:${this.getPort()}${location.pathname}`;
  }

  getRestApiBase() {
    return this.skipTrailingSlash(this.getBase()) + '/api';
  }

  skipTrailingSlash(path) {
    return path.replace(/\/$/, '');
  }
}