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<div id="overview"><a href="../../../../../../../apidocs/org/apache/chemistry/opencmis/server/filter/ProxyFilter.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.chemistry.opencmis.server.filter;
<a class="jxr_linenumber" name="20" href="#20">20</a>
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.regex.Pattern;
<a class="jxr_linenumber" name="23" href="#23">23</a>
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> javax.servlet.Filter;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> javax.servlet.FilterChain;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> javax.servlet.FilterConfig;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletException;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletRequest;
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletResponse;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletRequest;
<a class="jxr_linenumber" name="31" href="#31">31</a>
<a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * A filter that corrects server name, server port and scheme if OpenCMIS is</em>
<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * running behind a proxy or load balancer.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/chemistry/opencmis/server/filter/ProxyFilter.html">ProxyFilter</a> <strong class="jxr_keyword">implements</strong> Filter {
<a class="jxr_linenumber" name="37" href="#37">37</a>
<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String PARAM_BASE_PATH = <span class="jxr_string">"basePath"</span>;
<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String PARAM_TRUSTED_PROXIES = <span class="jxr_string">"trustedProxies"</span>;
<a class="jxr_linenumber" name="40" href="#40">40</a>
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">private</strong> String basePath;
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> Pattern trustedProxies;
<a class="jxr_linenumber" name="43" href="#43">43</a>
<a class="jxr_linenumber" name="44" href="#44">44</a> @Override
<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init(FilterConfig filterConfig) <strong class="jxr_keyword">throws</strong> ServletException {
<a class="jxr_linenumber" name="46" href="#46">46</a> basePath = filterConfig.getInitParameter(PARAM_BASE_PATH);
<a class="jxr_linenumber" name="47" href="#47">47</a>
<a class="jxr_linenumber" name="48" href="#48">48</a> trustedProxies = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="49" href="#49">49</a> String trustedProxiesString = filterConfig.getInitParameter(PARAM_TRUSTED_PROXIES);
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">if</strong> (trustedProxiesString != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="52" href="#52">52</a> trustedProxies = Pattern.compile(trustedProxiesString);
<a class="jxr_linenumber" name="53" href="#53">53</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ServletException(<span class="jxr_string">"Could not compile trustedProxies parameter: "</span> + e, e);
<a class="jxr_linenumber" name="55" href="#55">55</a> }
<a class="jxr_linenumber" name="56" href="#56">56</a> }
<a class="jxr_linenumber" name="57" href="#57">57</a> }
<a class="jxr_linenumber" name="58" href="#58">58</a>
<a class="jxr_linenumber" name="59" href="#59">59</a> @Override
<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> doFilter(ServletRequest request, ServletResponse response, <strong class="jxr_keyword">final</strong> FilterChain chain) <strong class="jxr_keyword">throws</strong> IOException,
<a class="jxr_linenumber" name="61" href="#61">61</a> ServletException {
<a class="jxr_linenumber" name="62" href="#62">62</a>
<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_comment">// check for trusted proxy</em>
<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">if</strong> (trustedProxies != <strong class="jxr_keyword">null</strong> &amp;&amp; (request instanceof HttpServletRequest)
<a class="jxr_linenumber" name="65" href="#65">65</a> &amp;&amp; trustedProxies.matcher(request.getRemoteAddr()).matches()) {
<a class="jxr_linenumber" name="66" href="#66">66</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/chemistry/opencmis/server/filter/ProxyHttpServletRequestWrapper.html">ProxyHttpServletRequestWrapper</a>((HttpServletRequest) request, basePath);
<a class="jxr_linenumber" name="67" href="#67">67</a> }
<a class="jxr_linenumber" name="68" href="#68">68</a>
<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_comment">// call next</em>
<a class="jxr_linenumber" name="70" href="#70">70</a> chain.doFilter(request, response);
<a class="jxr_linenumber" name="71" href="#71">71</a> }
<a class="jxr_linenumber" name="72" href="#72">72</a>
<a class="jxr_linenumber" name="73" href="#73">73</a> @Override
<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> destroy() {
<a class="jxr_linenumber" name="75" href="#75">75</a> }
<a class="jxr_linenumber" name="76" href="#76">76</a> }
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