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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,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.shiro.web.filter.authz;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.shiro.config.ConfigurationException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.util.StringUtils;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.shiro.web.util.WebUtils;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import javax.servlet.ServletRequest;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import javax.servlet.ServletResponse;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import javax.servlet.http.HttpServletRequest;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.IOException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>/**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * A Filter that requires the request to be on a specific port, and if not, redirects to the same URL on that port.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * <p/><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Example config:<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * <pre><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * [filters]<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * port.port = 80<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * <p/><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * [urls]<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * /some/path/** = port<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * # override for just this path:<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * /another/path/** = port[8080]<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * </pre><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> *<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @since 1.0<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>public class PortFilter extends AuthorizationFilter {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static final int DEFAULT_HTTP_PORT = 80;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> public static final String HTTP_SCHEME = "http";<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private int port = DEFAULT_HTTP_PORT;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public int getPort() {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> return port;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public void setPort(int port) {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> this.port = port;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> }<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> protected int toPort(Object mappedValue) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> String[] ports = (String[]) mappedValue;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> if (ports == null || ports.length == 0) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> return getPort();<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> if (ports.length > 1) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> throw new ConfigurationException("PortFilter can only be configured with a single port. You have " +<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> "configured " + ports.length + ": " + StringUtils.toString(ports));<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> return Integer.parseInt(ports[0]);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> int requiredPort = toPort(mappedValue);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> int requestPort = request.getServerPort();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> return requiredPort == requestPort;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> protected String getScheme(String requestScheme, int port) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (port == DEFAULT_HTTP_PORT) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return HTTP_SCHEME;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> } else if (port == SslFilter.DEFAULT_HTTPS_PORT) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return SslFilter.HTTPS_SCHEME;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> } else {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> return requestScheme;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> /**<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * Redirects the request to the same exact incoming URL, but with the port listed in the filter's configuration.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> *<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param request the incoming <code>ServletRequest</code><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param response the outgoing <code>ServletResponse</code><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @param mappedValue the config specified for the filter in the matching request's filter chain.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * @return {@code false} always to force a redirect.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> @Override<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> protected boolean onAccessDenied(ServletRequest request, ServletResponse response, Object mappedValue) throws IOException {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> //just redirect to the specified port:<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> int port = toPort(mappedValue);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> String scheme = getScheme(request.getScheme(), port);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> StringBuilder sb = new StringBuilder();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> sb.append(scheme).append("://");<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> sb.append(request.getServerName());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (port != DEFAULT_HTTP_PORT && port != SslFilter.DEFAULT_HTTPS_PORT) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> sb.append(":");<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> sb.append(port);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> if (request instanceof HttpServletRequest) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> sb.append(WebUtils.toHttp(request).getRequestURI());<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> String query = WebUtils.toHttp(request).getQueryString();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> if (query != null) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> sb.append("?").append(query);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> WebUtils.issueRedirect(request, response, sb.toString());<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return false;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span>}<a name="line.124"></a> |
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| </pre> |
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