| /******************************************************************************* |
| * Copyright (c) 2010, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.base.remote; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import javax.net.ssl.HttpsURLConnection; |
| import javax.net.ssl.SSLContext; |
| |
| |
| public class HttpsUtility { |
| |
| private static final String PATH_TOC = "/toc"; //$NON-NLS-1$ |
| private static final String PARAM_LANG = "lang"; //$NON-NLS-1$ |
| |
| private final static int SOCKET_TIMEOUT = 5000; //milliseconds |
| |
| public static HttpsURLConnection getConnection(URL httpsURL) |
| { |
| try |
| { |
| SSLContext sc = SSLContext.getInstance("TLS"); //$NON-NLS-1$ |
| sc.init( null, null, new java.security.SecureRandom() ); |
| HttpsURLConnection con = (HttpsURLConnection)httpsURL.openConnection(); |
| con.setSSLSocketFactory(sc.getSocketFactory()); |
| return con; |
| } |
| catch(Exception e) |
| { |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| public static InputStream getHttpsStream(URL httpsURL) |
| { |
| try { |
| HttpsURLConnection con = getConnection(httpsURL); |
| return con==null ? null : con.getInputStream(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| |
| public static InputStream getHttpsInputStream(String thisProtocol,String thisHost, String thisPort, String thisPath, String locale) |
| { |
| try { |
| URL url = new URL(thisProtocol, thisHost, Integer.valueOf(thisPort) .intValue(), |
| thisPath + PATH_TOC + '?' + PARAM_LANG + '=' + locale); |
| return getHttpsStream(url); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| |
| public static URL getHttpsURL(String thisProtocol,String thisHost, int thisPort, String thisPath) |
| { |
| try { |
| return new URL(thisProtocol, thisHost, Integer.valueOf(thisPort) .intValue(), |
| thisPath + PATH_TOC); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| |
| public static URL getHttpsURL(String urlPath) |
| { |
| try { |
| return new URL(urlPath); |
| } catch (MalformedURLException e) { |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| |
| public static URL getHttpsURL(String thisProtocol,String thisHost, String thisPort, String thisPath) |
| { |
| return getHttpsURL(thisProtocol,thisHost,Integer.parseInt(thisPort),thisPath); |
| } |
| |
| public static boolean canConnectToHttpsURL(String urlConnection) |
| { |
| try |
| { |
| HttpsURLConnection testConnection = getConnection(new URL(urlConnection)); |
| testConnection.setConnectTimeout(SOCKET_TIMEOUT); |
| testConnection.connect(); |
| } |
| catch (Exception e) { |
| return false; |
| } |
| return true; |
| } |
| } |