mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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3e1e1edbaa
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
136 lines
4.3 KiB
Java
136 lines
4.3 KiB
Java
/*
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* #%L
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* Alfresco Remote API
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.web.app.servlet;
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import java.io.IOException;
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import java.util.Map;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.extensions.surf.util.URLEncoder;
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/**
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* HTTP Proxy Servlet
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*
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* Provides the ability to submit a URL request via the Alfresco Server i.e.
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* the Alfresco server acts as a proxy.
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*
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* This servlet accepts:
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*
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* /proxy?endpoint=<endpointUrl>[&<argName>=<argValue>]*
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*
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* Where:
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*
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* - endpointUrl is the URL to make a request against
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* - argName is the name of a URL argument to append to the request
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* - argValue is the value of URL argument
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*
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* E.g.:
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*
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* /proxy?endpoint=http://www.alfresco.com&arg1=value1&arg2=value2
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*
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* @author davidc
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*/
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public class HTTPProxyServlet extends HttpServlet
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{
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private static final long serialVersionUID = -576405943603122206L;
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private static final String PARAM_ENDPOINT = "endpoint";
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/**
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* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
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*/
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protected void doGet(HttpServletRequest req, HttpServletResponse res)
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throws ServletException, IOException
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{
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String endpoint = null;
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StringBuilder args = new StringBuilder(32);
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Map<String, String[]> parameters = req.getParameterMap();
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for (Map.Entry<String, String[]> parameter : parameters.entrySet())
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{
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String[] values = parameter.getValue();
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int startIdx = 0;
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if (parameter.getKey().equals(PARAM_ENDPOINT) && values.length != 0)
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{
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endpoint = values[0];
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startIdx++;
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}
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for (int i = startIdx; i < values.length; i++)
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{
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if (args.length() != 0)
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{
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args.append("&");
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}
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args.append(parameter.getKey()).append('=').append(URLEncoder.encode(values[i]));
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}
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}
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if (endpoint == null || endpoint.length() == 0)
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{
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throw new IllegalArgumentException("endpoint argument not specified");
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}
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String url = endpoint + ((args.length() == 0) ? "" : "?" + args.toString());
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HTTPProxy proxy = new HTTPProxy(url, res);
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proxy.service();
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}
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/**
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* Construct a "proxied" URL
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*
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* Note: the "proxied" URL is a relative url - it is assumed that the servlet path is /proxy
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*
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* @param url the URL to proxy
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* @return the "proxied" url
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*/
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public static String createProxyUrl(String url)
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{
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String proxy = "/proxy";
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if (url != null && url.length() > 0)
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{
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int argIndex = url.lastIndexOf("?");
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if (argIndex == -1)
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{
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proxy += "?endpoint=" + url;
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}
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else
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{
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proxy += "?endpoint=" + url.substring(0, argIndex) + "&" + url.substring(argIndex + 1);
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}
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}
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return proxy;
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}
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}
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