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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.rest;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.http.ProxyUserAuthenticationFilter.toLowerCase;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import javax.servlet.ServletException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import javax.servlet.http.HttpServletRequest;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import javax.servlet.http.HttpServletResponse;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.conf.Configuration;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.security.authorize.AuthorizationException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.security.authorize.ProxyUsers;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hbase.thirdparty.org.glassfish.jersey.server.ResourceConfig;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hbase.thirdparty.org.glassfish.jersey.servlet.ServletContainer;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span>/**<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * REST servlet container. It is used to get the remote request user without going<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * through @HttpContext, so that we can minimize code changes.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>@InterfaceAudience.Private<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>public class RESTServletContainer extends ServletContainer {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> private static final long serialVersionUID = -2474255003443394314L;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> public RESTServletContainer(ResourceConfig config) {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> super(config);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> }<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * This container is used only if authentication and impersonation is enabled. The remote request<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * user is used as a proxy user for impersonation in invoking any REST service.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @Override<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public void service(final HttpServletRequest request, final HttpServletResponse response)<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> throws ServletException, IOException {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> final HttpServletRequest lowerCaseRequest = toLowerCase(request);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> final String doAsUserFromQuery = lowerCaseRequest.getParameter("doas");<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> RESTServlet servlet = RESTServlet.getInstance();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> if (doAsUserFromQuery != null) {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> Configuration conf = servlet.getConfiguration();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> if (!servlet.supportsProxyuser()) {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> throw new ServletException("Support for proxyuser is not configured");<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> // Authenticated remote user is attempting to do 'doAs' proxy user.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> UserGroupInformation ugi = UserGroupInformation.createRemoteUser(request.getRemoteUser());<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // create and attempt to authorize a proxy user (the client is attempting<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // to do proxy user)<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> ugi = UserGroupInformation.createProxyUser(doAsUserFromQuery, ugi);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // validate the proxy user authorization<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> try {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> ProxyUsers.authorize(ugi, request.getRemoteAddr(), conf);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> } catch (AuthorizationException e) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> throw new ServletException(e.getMessage());<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> servlet.setEffectiveUser(doAsUserFromQuery);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> } else {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> String effectiveUser = request.getRemoteUser();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> servlet.setEffectiveUser(effectiveUser);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> super.service(request, response);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<a name="line.79"></a> |
| <span class="sourceLineNo">080</span>}<a name="line.80"></a> |
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