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apache / shiro-site / 01016f43374d9b054f3ea1e568b015d5d69428f9 / . / src / site / assets / static / 1.5.0 / shiro-web / xref / org / apache / shiro / web / filter / authz / PortFilter.html
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<div id="overview"><a href="../../../../../../../apidocs/org/apache/shiro/web/filter/authz/PortFilter.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">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="L11" href="#L11">11</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.web.filter.authz;
<a class="jxr_linenumber" name="L20" href="#L20">20</a>
<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.config.ConfigurationException;
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.util.StringUtils;
<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.web.util.WebUtils;
<a class="jxr_linenumber" name="L24" href="#L24">24</a>
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletRequest;
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletResponse;
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletRequest;
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="L29" href="#L29">29</a>
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * A Filter that requires the request to be on a specific port, and if not, redirects to the same URL on that port.</em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * Example config:</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * [filters]</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * port.port = 80</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * [urls]</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * /some/path/** = port</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * # override for just this path:</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * /another/path/** = port[8080]</em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * @since 1.0</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="PortFilter" href="../../../../../../org/apache/shiro/web/filter/authz/PortFilter.html#PortFilter">PortFilter</a> <strong class="jxr_keyword">extends</strong> <a name="AuthorizationFilter" href="../../../../../../org/apache/shiro/web/filter/authz/AuthorizationFilter.html#AuthorizationFilter">AuthorizationFilter</a> {
<a class="jxr_linenumber" name="L47" href="#L47">47</a>
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_HTTP_PORT = 80;
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String HTTP_SCHEME = <span class="jxr_string">"http"</span>;
<a class="jxr_linenumber" name="L50" href="#L50">50</a>
<a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> port = DEFAULT_HTTP_PORT;
<a class="jxr_linenumber" name="L52" href="#L52">52</a>
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getPort() {
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">return</strong> port;
<a class="jxr_linenumber" name="L55" href="#L55">55</a> }
<a class="jxr_linenumber" name="L56" href="#L56">56</a>
<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setPort(<strong class="jxr_keyword">int</strong> port) {
<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">this</strong>.port = port;
<a class="jxr_linenumber" name="L59" href="#L59">59</a> }
<a class="jxr_linenumber" name="L60" href="#L60">60</a>
<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> toPort(Object mappedValue) {
<a class="jxr_linenumber" name="L62" href="#L62">62</a> String[] ports = (String[]) mappedValue;
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">if</strong> (ports == <strong class="jxr_keyword">null</strong> || ports.length == 0) {
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <strong class="jxr_keyword">return</strong> getPort();
<a class="jxr_linenumber" name="L65" href="#L65">65</a> }
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">if</strong> (ports.length &gt; 1) {
<a class="jxr_linenumber" name="L67" href="#L67">67</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ConfigurationException(<span class="jxr_string">"PortFilter can only be configured with a single port. You have "</span> +
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <span class="jxr_string">"configured "</span> + ports.length + <span class="jxr_string">": "</span> + StringUtils.toString(ports));
<a class="jxr_linenumber" name="L69" href="#L69">69</a> }
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">return</strong> Integer.parseInt(ports[0]);
<a class="jxr_linenumber" name="L71" href="#L71">71</a> }
<a class="jxr_linenumber" name="L72" href="#L72">72</a>
<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">int</strong> requiredPort = toPort(mappedValue);
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">int</strong> requestPort = request.getServerPort();
<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">return</strong> requiredPort == requestPort;
<a class="jxr_linenumber" name="L77" href="#L77">77</a> }
<a class="jxr_linenumber" name="L78" href="#L78">78</a>
<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">protected</strong> String getScheme(String requestScheme, <strong class="jxr_keyword">int</strong> port) {
<a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">if</strong> (port == DEFAULT_HTTP_PORT) {
<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">return</strong> HTTP_SCHEME;
<a class="jxr_linenumber" name="L82" href="#L82">82</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (port == SslFilter.DEFAULT_HTTPS_PORT) {
<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">return</strong> SslFilter.HTTPS_SCHEME;
<a class="jxr_linenumber" name="L84" href="#L84">84</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">return</strong> requestScheme;
<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
<a class="jxr_linenumber" name="L87" href="#L87">87</a> }
<a class="jxr_linenumber" name="L88" href="#L88">88</a>
<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * Redirects the request to the same exact incoming URL, but with the port listed in the filter's configuration.</em>
<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * @param request the incoming &lt;code&gt;ServletRequest&lt;/code&gt;</em>
<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> * @param response the outgoing &lt;code&gt;ServletResponse&lt;/code&gt;</em>
<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment"> * @param mappedValue the config specified for the filter in the matching request's filter chain.</em>
<a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> * @return {@code false} always to force a redirect.</em>
<a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L97" href="#L97">97</a> @Override
<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> onAccessDenied(ServletRequest request, ServletResponse response, Object mappedValue) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L99" href="#L99">99</a>
<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_comment">//just redirect to the specified port:</em>
<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">int</strong> port = toPort(mappedValue);
<a class="jxr_linenumber" name="L102" href="#L102">102</a>
<a class="jxr_linenumber" name="L103" href="#L103">103</a> String scheme = getScheme(request.getScheme(), port);
<a class="jxr_linenumber" name="L104" href="#L104">104</a>
<a class="jxr_linenumber" name="L105" href="#L105">105</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="L106" href="#L106">106</a> sb.append(scheme).append(<span class="jxr_string">"://"</span>);
<a class="jxr_linenumber" name="L107" href="#L107">107</a> sb.append(request.getServerName());
<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">if</strong> (port != DEFAULT_HTTP_PORT &amp;&amp; port != SslFilter.DEFAULT_HTTPS_PORT) {
<a class="jxr_linenumber" name="L109" href="#L109">109</a> sb.append(<span class="jxr_string">":"</span>);
<a class="jxr_linenumber" name="L110" href="#L110">110</a> sb.append(port);
<a class="jxr_linenumber" name="L111" href="#L111">111</a> }
<a class="jxr_linenumber" name="L112" href="#L112">112</a> <strong class="jxr_keyword">if</strong> (request instanceof HttpServletRequest) {
<a class="jxr_linenumber" name="L113" href="#L113">113</a> sb.append(WebUtils.toHttp(request).getRequestURI());
<a class="jxr_linenumber" name="L114" href="#L114">114</a> String query = WebUtils.toHttp(request).getQueryString();
<a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">if</strong> (query != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L116" href="#L116">116</a> sb.append(<span class="jxr_string">"?"</span>).append(query);
<a class="jxr_linenumber" name="L117" href="#L117">117</a> }
<a class="jxr_linenumber" name="L118" href="#L118">118</a> }
<a class="jxr_linenumber" name="L119" href="#L119">119</a>
<a class="jxr_linenumber" name="L120" href="#L120">120</a> WebUtils.issueRedirect(request, response, sb.toString());
<a class="jxr_linenumber" name="L121" href="#L121">121</a>
<a class="jxr_linenumber" name="L122" href="#L122">122</a> <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="L123" href="#L123">123</a> }
<a class="jxr_linenumber" name="L124" href="#L124">124</a> }
</pre>
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