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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a 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 name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a name="18" href="#18">18</a> <em class="jxr_comment"> */</em> |
| <a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.web.filter.mgt; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.util.AntPathMatcher; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.util.PatternMatcher; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.web.util.WebUtils; |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a name="26" href="#26">26</a> |
| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.servlet.FilterChain; |
| <a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> javax.servlet.FilterConfig; |
| <a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletRequest; |
| <a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletResponse; |
| <a name="31" href="#31">31</a> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * A {@code FilterChainResolver} that resolves {@link FilterChain}s based on url path</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * matching, as determined by a configurable {@link #setPathMatcher(org.apache.shiro.util.PatternMatcher) PathMatcher}.</em> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * This implementation functions by consulting a {@link org.apache.shiro.web.filter.mgt.FilterChainManager} for all configured filter chains (keyed</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * by configured path pattern). If an incoming Request path matches one of the configured path patterns (via</em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * the {@code PathMatcher}, the corresponding configured {@code FilterChain} is returned.</em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * @since 1.0</em> |
| <a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="42" href="#42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/PathMatchingFilterChainResolver.html">PathMatchingFilterChainResolver</a> implements <a href="../../../../../../org/apache/shiro/web/filter/mgt/FilterChainResolver.html">FilterChainResolver</a> { |
| <a name="43" href="#43">43</a> |
| <a name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">transient</strong> <strong class="jxr_keyword">final</strong> Logger log = LoggerFactory.getLogger(PathMatchingFilterChainResolver.<strong class="jxr_keyword">class</strong>); |
| <a name="45" href="#45">45</a> |
| <a name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/FilterChainManager.html">FilterChainManager</a> filterChainManager; |
| <a name="47" href="#47">47</a> |
| <a name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/shiro/util/PatternMatcher.html">PatternMatcher</a> pathMatcher; |
| <a name="49" href="#49">49</a> |
| <a name="50" href="#50">50</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/PathMatchingFilterChainResolver.html">PathMatchingFilterChainResolver</a>() { |
| <a name="51" href="#51">51</a> <strong class="jxr_keyword">this</strong>.pathMatcher = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/shiro/util/AntPathMatcher.html">AntPathMatcher</a>(); |
| <a name="52" href="#52">52</a> <strong class="jxr_keyword">this</strong>.filterChainManager = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/DefaultFilterChainManager.html">DefaultFilterChainManager</a>(); |
| <a name="53" href="#53">53</a> } |
| <a name="54" href="#54">54</a> |
| <a name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/PathMatchingFilterChainResolver.html">PathMatchingFilterChainResolver</a>(FilterConfig filterConfig) { |
| <a name="56" href="#56">56</a> <strong class="jxr_keyword">this</strong>.pathMatcher = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/shiro/util/AntPathMatcher.html">AntPathMatcher</a>(); |
| <a name="57" href="#57">57</a> <strong class="jxr_keyword">this</strong>.filterChainManager = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/DefaultFilterChainManager.html">DefaultFilterChainManager</a>(filterConfig); |
| <a name="58" href="#58">58</a> } |
| <a name="59" href="#59">59</a> |
| <a name="60" href="#60">60</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * Returns the {@code PatternMatcher} used when determining if an incoming request's path</em> |
| <a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * matches a configured filter chain. Unless overridden, the</em> |
| <a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * default implementation is an {@link org.apache.shiro.util.AntPathMatcher AntPathMatcher}.</em> |
| <a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * @return the {@code PatternMatcher} used when determining if an incoming request's path</em> |
| <a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * matches a configured filter chain.</em> |
| <a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="68" href="#68">68</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/shiro/util/PatternMatcher.html">PatternMatcher</a> getPathMatcher() { |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">return</strong> pathMatcher; |
| <a name="70" href="#70">70</a> } |
| <a name="71" href="#71">71</a> |
| <a name="72" href="#72">72</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * Sets the {@code PatternMatcher} used when determining if an incoming request's path</em> |
| <a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * matches a configured filter chain. Unless overridden, the</em> |
| <a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * default implementation is an {@link org.apache.shiro.util.AntPathMatcher AntPathMatcher}.</em> |
| <a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * @param pathMatcher the {@code PatternMatcher} used when determining if an incoming request's path</em> |
| <a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * matches a configured filter chain.</em> |
| <a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="80" href="#80">80</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setPathMatcher(<a href="../../../../../../org/apache/shiro/util/PatternMatcher.html">PatternMatcher</a> pathMatcher) { |
| <a name="81" href="#81">81</a> <strong class="jxr_keyword">this</strong>.pathMatcher = pathMatcher; |
| <a name="82" href="#82">82</a> } |
| <a name="83" href="#83">83</a> |
| <a name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/shiro/web/filter/mgt/FilterChainManager.html">FilterChainManager</a> getFilterChainManager() { |
| <a name="85" href="#85">85</a> <strong class="jxr_keyword">return</strong> filterChainManager; |
| <a name="86" href="#86">86</a> } |
| <a name="87" href="#87">87</a> |
| <a name="88" href="#88">88</a> @SuppressWarnings({<span class="jxr_string">"UnusedDeclaration"</span>}) |
| <a name="89" href="#89">89</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setFilterChainManager(<a href="../../../../../../org/apache/shiro/web/filter/mgt/FilterChainManager.html">FilterChainManager</a> filterChainManager) { |
| <a name="90" href="#90">90</a> <strong class="jxr_keyword">this</strong>.filterChainManager = filterChainManager; |
| <a name="91" href="#91">91</a> } |
| <a name="92" href="#92">92</a> |
| <a name="93" href="#93">93</a> <strong class="jxr_keyword">public</strong> FilterChain getChain(ServletRequest request, ServletResponse response, FilterChain originalChain) { |
| <a name="94" href="#94">94</a> <a href="../../../../../../org/apache/shiro/web/filter/mgt/FilterChainManager.html">FilterChainManager</a> filterChainManager = getFilterChainManager(); |
| <a name="95" href="#95">95</a> <strong class="jxr_keyword">if</strong> (!filterChainManager.hasChains()) { |
| <a name="96" href="#96">96</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a name="97" href="#97">97</a> } |
| <a name="98" href="#98">98</a> |
| <a name="99" href="#99">99</a> String requestURI = getPathWithinApplication(request); |
| <a name="100" href="#100">100</a> |
| <a name="101" href="#101">101</a> <em class="jxr_comment">//the 'chain names' in this implementation are actually path patterns defined by the user. We just use them</em> |
| <a name="102" href="#102">102</a> <em class="jxr_comment">//as the chain name for the FilterChainManager's requirements</em> |
| <a name="103" href="#103">103</a> <strong class="jxr_keyword">for</strong> (String pathPattern : filterChainManager.getChainNames()) { |
| <a name="104" href="#104">104</a> |
| <a name="105" href="#105">105</a> <em class="jxr_comment">// If the path does match, then pass on to the subclass implementation for specific checks:</em> |
| <a name="106" href="#106">106</a> <strong class="jxr_keyword">if</strong> (pathMatches(pathPattern, requestURI)) { |
| <a name="107" href="#107">107</a> <strong class="jxr_keyword">if</strong> (log.isTraceEnabled()) { |
| <a name="108" href="#108">108</a> log.trace(<span class="jxr_string">"Matched path pattern ["</span> + pathPattern + <span class="jxr_string">"] for requestURI ["</span> + requestURI + <span class="jxr_string">"]. "</span> + |
| <a name="109" href="#109">109</a> <span class="jxr_string">"Utilizing corresponding filter chain..."</span>); |
| <a name="110" href="#110">110</a> } |
| <a name="111" href="#111">111</a> <strong class="jxr_keyword">return</strong> filterChainManager.proxy(originalChain, pathPattern); |
| <a name="112" href="#112">112</a> } |
| <a name="113" href="#113">113</a> } |
| <a name="114" href="#114">114</a> |
| <a name="115" href="#115">115</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a name="116" href="#116">116</a> } |
| <a name="117" href="#117">117</a> |
| <a name="118" href="#118">118</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * Returns {@code true} if an incoming request path (the {@code path} argument)</em> |
| <a name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * matches a configured filter chain path (the {@code pattern} argument), {@code false} otherwise.</em> |
| <a name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * Simply delegates to</em> |
| <a name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * <b><code>{@link #getPathMatcher() getPathMatcher()}.{@link org.apache.shiro.util.PatternMatcher#matches(String, String) matches(pattern,path)}</code></b>.</em> |
| <a name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * Subclass implementors should think carefully before overriding this method, as typically a custom</em> |
| <a name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * {@code PathMatcher} should be configured for custom path matching behavior instead. Favor OO composition</em> |
| <a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * rather than inheritance to limit your exposure to Shiro implementation details which may change over time.</em> |
| <a name="127" href="#127">127</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * @param pattern the pattern to match against</em> |
| <a name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * @param path the value to match with the specified {@code pattern}</em> |
| <a name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * @return {@code true} if the request {@code path} matches the specified filter chain url {@code pattern},</em> |
| <a name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * {@code false} otherwise.</em> |
| <a name="132" href="#132">132</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="133" href="#133">133</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> pathMatches(String pattern, String path) { |
| <a name="134" href="#134">134</a> <a href="../../../../../../org/apache/shiro/util/PatternMatcher.html">PatternMatcher</a> pathMatcher = getPathMatcher(); |
| <a name="135" href="#135">135</a> <strong class="jxr_keyword">return</strong> pathMatcher.matches(pattern, path); |
| <a name="136" href="#136">136</a> } |
| <a name="137" href="#137">137</a> |
| <a name="138" href="#138">138</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * Merely returns</em> |
| <a name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * <code>WebUtils.{@link org.apache.shiro.web.util.WebUtils#getPathWithinApplication(javax.servlet.http.HttpServletRequest) getPathWithinApplication(request)}</code></em> |
| <a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * and can be overridden by subclasses for custom request-to-application-path resolution behavior.</em> |
| <a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * @param request the incoming {@code ServletRequest}</em> |
| <a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * @return the request's path within the appliation.</em> |
| <a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="146" href="#146">146</a> <strong class="jxr_keyword">protected</strong> String getPathWithinApplication(ServletRequest request) { |
| <a name="147" href="#147">147</a> <strong class="jxr_keyword">return</strong> WebUtils.getPathWithinApplication(WebUtils.toHttp(request)); |
| <a name="148" href="#148">148</a> } |
| <a name="149" href="#149">149</a> } |
| </pre> |
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