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| <pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> *</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> */</a> |
| <span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.web.filter.authz;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.util.StringUtils;</a> |
| <span class="sourceLineNo">022</span><a id="line.22">import org.slf4j.Logger;</a> |
| <span class="sourceLineNo">023</span><a id="line.23">import org.slf4j.LoggerFactory;</a> |
| <span class="sourceLineNo">024</span><a id="line.24"></a> |
| <span class="sourceLineNo">025</span><a id="line.25">import javax.servlet.ServletRequest;</a> |
| <span class="sourceLineNo">026</span><a id="line.26">import javax.servlet.ServletResponse;</a> |
| <span class="sourceLineNo">027</span><a id="line.27">import javax.servlet.http.HttpServletRequest;</a> |
| <span class="sourceLineNo">028</span><a id="line.28">import java.io.IOException;</a> |
| <span class="sourceLineNo">029</span><a id="line.29">import java.util.HashMap;</a> |
| <span class="sourceLineNo">030</span><a id="line.30">import java.util.Map;</a> |
| <span class="sourceLineNo">031</span><a id="line.31"></a> |
| <span class="sourceLineNo">032</span><a id="line.32">/**</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * A filter that translates an HTTP Request's Method (eg GET, POST, etc)</a> |
| <span class="sourceLineNo">034</span><a id="line.34"> * into an corresponding action (verb) and uses that verb to construct a permission that will be checked to determine</a> |
| <span class="sourceLineNo">035</span><a id="line.35"> * access.</a> |
| <span class="sourceLineNo">036</span><a id="line.36"> * <p/></a> |
| <span class="sourceLineNo">037</span><a id="line.37"> * This Filter is primarily provided to support REST environments where the type (Method)</a> |
| <span class="sourceLineNo">038</span><a id="line.38"> * of request translates to an action being performed on one or more resources. This paradigm works well with Shiro's</a> |
| <span class="sourceLineNo">039</span><a id="line.39"> * concepts of using permissions for access control and can be leveraged to easily perform permission checks.</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> * <p/></a> |
| <span class="sourceLineNo">041</span><a id="line.41"> * This filter functions as follows:</a> |
| <span class="sourceLineNo">042</span><a id="line.42"> * <ol></a> |
| <span class="sourceLineNo">043</span><a id="line.43"> * <li>The incoming HTTP request's Method (GET, POST, PUT, DELETE, etc) is discovered.</li></a> |
| <span class="sourceLineNo">044</span><a id="line.44"> * <li>The Method is translated into a more 'application friendly' verb, such as 'create', edit', 'delete', etc.</li></a> |
| <span class="sourceLineNo">045</span><a id="line.45"> * <li>The verb is appended to any configured permissions for the</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> * {@link org.apache.shiro.web.filter.PathMatchingFilter currently matching path}.</li></a> |
| <span class="sourceLineNo">047</span><a id="line.47"> * <li>If the current {@code Subject} {@link org.apache.shiro.subject.Subject#isPermitted(String) isPermitted} to</a> |
| <span class="sourceLineNo">048</span><a id="line.48"> * perform the resolved action, the request is allowed to continue.</li></a> |
| <span class="sourceLineNo">049</span><a id="line.49"> * </ol></a> |
| <span class="sourceLineNo">050</span><a id="line.50"> * <p/></a> |
| <span class="sourceLineNo">051</span><a id="line.51"> * For example, if the following filter chain was defined, where 'rest' was the name given to a filter instance of</a> |
| <span class="sourceLineNo">052</span><a id="line.52"> * this class:</a> |
| <span class="sourceLineNo">053</span><a id="line.53"> * <pre></a> |
| <span class="sourceLineNo">054</span><a id="line.54"> * /user/** = rest[user]</pre></a> |
| <span class="sourceLineNo">055</span><a id="line.55"> * Then an HTTP {@code GET} request to {@code /user/1234} would translate to the constructed permission</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> * {@code user:read} (GET is mapped to the 'read' action) and execute the permission check</a> |
| <span class="sourceLineNo">057</span><a id="line.57"> * <code>Subject.isPermitted(&quot;user:read&quot;)</code> in order to allow the request to continue.</a> |
| <span class="sourceLineNo">058</span><a id="line.58"> * <p/></a> |
| <span class="sourceLineNo">059</span><a id="line.59"> * Similarly, an HTTP {@code POST} to {@code /user} would translate to the constructed permission</a> |
| <span class="sourceLineNo">060</span><a id="line.60"> * {@code user:create} (POST is mapped to the 'create' action) and execute the permission check</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> * <code>Subject.isPermitted(&quot;user:create&quot;)</code> in order to allow the request to continue.</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> * <p/></a> |
| <span class="sourceLineNo">063</span><a id="line.63"> * <h3>Method To Verb Mapping</h3></a> |
| <span class="sourceLineNo">064</span><a id="line.64"> * The following table represents the default HTTP Method-to-action verb mapping:</a> |
| <span class="sourceLineNo">065</span><a id="line.65"> * <table></a> |
| <span class="sourceLineNo">066</span><a id="line.66"> * <tr><th>HTTP Method</th><th>Mapped Action</th><th>Example Permission</th><th>Runtime Check</th></tr></a> |
| <span class="sourceLineNo">067</span><a id="line.67"> * <tr><td>head</td><td>read</td><td>perm1</td><td>perm1:read</td></tr></a> |
| <span class="sourceLineNo">068</span><a id="line.68"> * <tr><td>get</td><td>read</td><td>perm2</td><td>perm2:read</td></tr></a> |
| <span class="sourceLineNo">069</span><a id="line.69"> * <tr><td>put</td><td>update</td><td>perm3</td><td>perm3:update</td></tr></a> |
| <span class="sourceLineNo">070</span><a id="line.70"> * <tr><td>post</td><td>create</td><td>perm4</td><td>perm4:create</td></tr></a> |
| <span class="sourceLineNo">071</span><a id="line.71"> * <tr><td>mkcol</td><td>create</td><td>perm5</td><td>perm5:create</td></tr></a> |
| <span class="sourceLineNo">072</span><a id="line.72"> * <tr><td>options</td><td>read</td><td>perm6</td><td>perm6:read</td></tr></a> |
| <span class="sourceLineNo">073</span><a id="line.73"> * <tr><td>trace</td><td>read</td><td>perm7</td><td>perm7:read</td></tr></a> |
| <span class="sourceLineNo">074</span><a id="line.74"> * </table></a> |
| <span class="sourceLineNo">075</span><a id="line.75"> *</a> |
| <span class="sourceLineNo">076</span><a id="line.76"> * @since 1.0</a> |
| <span class="sourceLineNo">077</span><a id="line.77"> */</a> |
| <span class="sourceLineNo">078</span><a id="line.78">public class HttpMethodPermissionFilter extends PermissionsAuthorizationFilter {</a> |
| <span class="sourceLineNo">079</span><a id="line.79"></a> |
| <span class="sourceLineNo">080</span><a id="line.80"> /**</a> |
| <span class="sourceLineNo">081</span><a id="line.81"> * This class's private logger.</a> |
| <span class="sourceLineNo">082</span><a id="line.82"> */</a> |
| <span class="sourceLineNo">083</span><a id="line.83"> private static final Logger log = LoggerFactory.getLogger(HttpMethodPermissionFilter.class);</a> |
| <span class="sourceLineNo">084</span><a id="line.84"></a> |
| <span class="sourceLineNo">085</span><a id="line.85"> /**</a> |
| <span class="sourceLineNo">086</span><a id="line.86"> * Map that contains a mapping between http methods to permission actions (verbs)</a> |
| <span class="sourceLineNo">087</span><a id="line.87"> */</a> |
| <span class="sourceLineNo">088</span><a id="line.88"> private final Map<String, String> httpMethodActions = new HashMap<String, String>();</a> |
| <span class="sourceLineNo">089</span><a id="line.89"></a> |
| <span class="sourceLineNo">090</span><a id="line.90"> //Actions representing HTTP Method values (GET -> read, POST -> create, etc)</a> |
| <span class="sourceLineNo">091</span><a id="line.91"> private static final String CREATE_ACTION = "create";</a> |
| <span class="sourceLineNo">092</span><a id="line.92"> private static final String READ_ACTION = "read";</a> |
| <span class="sourceLineNo">093</span><a id="line.93"> private static final String UPDATE_ACTION = "update";</a> |
| <span class="sourceLineNo">094</span><a id="line.94"> private static final String DELETE_ACTION = "delete";</a> |
| <span class="sourceLineNo">095</span><a id="line.95"></a> |
| <span class="sourceLineNo">096</span><a id="line.96"> /**</a> |
| <span class="sourceLineNo">097</span><a id="line.97"> * Enum of constants for well-defined mapping values. Used in the Filter's constructor to perform the map instance</a> |
| <span class="sourceLineNo">098</span><a id="line.98"> * used at runtime.</a> |
| <span class="sourceLineNo">099</span><a id="line.99"> */</a> |
| <span class="sourceLineNo">100</span><a id="line.100"> private static enum HttpMethodAction {</a> |
| <span class="sourceLineNo">101</span><a id="line.101"></a> |
| <span class="sourceLineNo">102</span><a id="line.102"> DELETE(DELETE_ACTION),</a> |
| <span class="sourceLineNo">103</span><a id="line.103"> GET(READ_ACTION),</a> |
| <span class="sourceLineNo">104</span><a id="line.104"> HEAD(READ_ACTION),</a> |
| <span class="sourceLineNo">105</span><a id="line.105"> MKCOL(CREATE_ACTION), //webdav, but useful here</a> |
| <span class="sourceLineNo">106</span><a id="line.106"> OPTIONS(READ_ACTION),</a> |
| <span class="sourceLineNo">107</span><a id="line.107"> POST(CREATE_ACTION),</a> |
| <span class="sourceLineNo">108</span><a id="line.108"> PUT(UPDATE_ACTION),</a> |
| <span class="sourceLineNo">109</span><a id="line.109"> TRACE(READ_ACTION);</a> |
| <span class="sourceLineNo">110</span><a id="line.110"></a> |
| <span class="sourceLineNo">111</span><a id="line.111"> private final String action;</a> |
| <span class="sourceLineNo">112</span><a id="line.112"></a> |
| <span class="sourceLineNo">113</span><a id="line.113"> private HttpMethodAction(String action) {</a> |
| <span class="sourceLineNo">114</span><a id="line.114"> this.action = action;</a> |
| <span class="sourceLineNo">115</span><a id="line.115"> }</a> |
| <span class="sourceLineNo">116</span><a id="line.116"></a> |
| <span class="sourceLineNo">117</span><a id="line.117"> public String getAction() {</a> |
| <span class="sourceLineNo">118</span><a id="line.118"> return this.action;</a> |
| <span class="sourceLineNo">119</span><a id="line.119"> }</a> |
| <span class="sourceLineNo">120</span><a id="line.120"> }</a> |
| <span class="sourceLineNo">121</span><a id="line.121"></a> |
| <span class="sourceLineNo">122</span><a id="line.122"> /**</a> |
| <span class="sourceLineNo">123</span><a id="line.123"> * Creates the filter instance with default method-to-action values in the instance's</a> |
| <span class="sourceLineNo">124</span><a id="line.124"> * {@link #getHttpMethodActions() http method actions map}.</a> |
| <span class="sourceLineNo">125</span><a id="line.125"> */</a> |
| <span class="sourceLineNo">126</span><a id="line.126"> public HttpMethodPermissionFilter() {</a> |
| <span class="sourceLineNo">127</span><a id="line.127"> for (HttpMethodAction methodAction : HttpMethodAction.values()) {</a> |
| <span class="sourceLineNo">128</span><a id="line.128"> httpMethodActions.put(methodAction.name().toLowerCase(), methodAction.getAction());</a> |
| <span class="sourceLineNo">129</span><a id="line.129"> }</a> |
| <span class="sourceLineNo">130</span><a id="line.130"> }</a> |
| <span class="sourceLineNo">131</span><a id="line.131"></a> |
| <span class="sourceLineNo">132</span><a id="line.132"> /**</a> |
| <span class="sourceLineNo">133</span><a id="line.133"> * Returns the HTTP Method name (key) to action verb (value) mapping used to resolve actions based on an</a> |
| <span class="sourceLineNo">134</span><a id="line.134"> * incoming {@code HttpServletRequest}. All keys and values are lower-case. The</a> |
| <span class="sourceLineNo">135</span><a id="line.135"> * default key/value pairs are defined in the top class-level JavaDoc.</a> |
| <span class="sourceLineNo">136</span><a id="line.136"> *</a> |
| <span class="sourceLineNo">137</span><a id="line.137"> * @return the HTTP Method lower-case name (key) to lower-case action verb (value) mapping</a> |
| <span class="sourceLineNo">138</span><a id="line.138"> */</a> |
| <span class="sourceLineNo">139</span><a id="line.139"> protected Map<String, String> getHttpMethodActions() {</a> |
| <span class="sourceLineNo">140</span><a id="line.140"> return this.httpMethodActions;</a> |
| <span class="sourceLineNo">141</span><a id="line.141"> }</a> |
| <span class="sourceLineNo">142</span><a id="line.142"></a> |
| <span class="sourceLineNo">143</span><a id="line.143"> /**</a> |
| <span class="sourceLineNo">144</span><a id="line.144"> * Determines the action (verb) attempting to be performed on the filtered resource by the current request.</a> |
| <span class="sourceLineNo">145</span><a id="line.145"> * <p/></a> |
| <span class="sourceLineNo">146</span><a id="line.146"> * This implementation expects the incoming request to be an {@link HttpServletRequest} and returns a mapped</a> |
| <span class="sourceLineNo">147</span><a id="line.147"> * action based on the HTTP request {@link javax.servlet.http.HttpServletRequest#getMethod() method}.</a> |
| <span class="sourceLineNo">148</span><a id="line.148"> *</a> |
| <span class="sourceLineNo">149</span><a id="line.149"> * @param request to pull the method from.</a> |
| <span class="sourceLineNo">150</span><a id="line.150"> * @return The string equivalent verb of the http method.</a> |
| <span class="sourceLineNo">151</span><a id="line.151"> */</a> |
| <span class="sourceLineNo">152</span><a id="line.152"> protected String getHttpMethodAction(ServletRequest request) {</a> |
| <span class="sourceLineNo">153</span><a id="line.153"> String method = ((HttpServletRequest) request).getMethod();</a> |
| <span class="sourceLineNo">154</span><a id="line.154"> return getHttpMethodAction(method);</a> |
| <span class="sourceLineNo">155</span><a id="line.155"> }</a> |
| <span class="sourceLineNo">156</span><a id="line.156"></a> |
| <span class="sourceLineNo">157</span><a id="line.157"> /**</a> |
| <span class="sourceLineNo">158</span><a id="line.158"> * Determines the corresponding application action that will be performed on the filtered resource based on the</a> |
| <span class="sourceLineNo">159</span><a id="line.159"> * specified HTTP method (GET, POST, etc).</a> |
| <span class="sourceLineNo">160</span><a id="line.160"> *</a> |
| <span class="sourceLineNo">161</span><a id="line.161"> * @param method to be translated into the verb.</a> |
| <span class="sourceLineNo">162</span><a id="line.162"> * @return The string equivalent verb of the method.</a> |
| <span class="sourceLineNo">163</span><a id="line.163"> */</a> |
| <span class="sourceLineNo">164</span><a id="line.164"> protected String getHttpMethodAction(String method) {</a> |
| <span class="sourceLineNo">165</span><a id="line.165"> String lc = method.toLowerCase();</a> |
| <span class="sourceLineNo">166</span><a id="line.166"> String resolved = getHttpMethodActions().get(lc);</a> |
| <span class="sourceLineNo">167</span><a id="line.167"> return resolved != null ? resolved : method;</a> |
| <span class="sourceLineNo">168</span><a id="line.168"> }</a> |
| <span class="sourceLineNo">169</span><a id="line.169"></a> |
| <span class="sourceLineNo">170</span><a id="line.170"> /**</a> |
| <span class="sourceLineNo">171</span><a id="line.171"> * Returns a collection of String permissions with which to perform a permission check to determine if the filter</a> |
| <span class="sourceLineNo">172</span><a id="line.172"> * will allow the request to continue.</a> |
| <span class="sourceLineNo">173</span><a id="line.173"> * <p/></a> |
| <span class="sourceLineNo">174</span><a id="line.174"> * This implementation merely delegates to {@link #buildPermissions(String[], String)} and ignores the inbound</a> |
| <span class="sourceLineNo">175</span><a id="line.175"> * HTTP servlet request, but it can be overridden by subclasses for more complex request-specific building logic</a> |
| <span class="sourceLineNo">176</span><a id="line.176"> * if necessary.</a> |
| <span class="sourceLineNo">177</span><a id="line.177"> *</a> |
| <span class="sourceLineNo">178</span><a id="line.178"> * @param request the inbound HTTP request - ignored in this implementation, but available to</a> |
| <span class="sourceLineNo">179</span><a id="line.179"> * subclasses for more complex construction building logic if necessary</a> |
| <span class="sourceLineNo">180</span><a id="line.180"> * @param configuredPerms any url-specific permissions mapped to this filter in the URL rules mappings.</a> |
| <span class="sourceLineNo">181</span><a id="line.181"> * @param action the application-friendly action (verb) resolved based on the HTTP Method name.</a> |
| <span class="sourceLineNo">182</span><a id="line.182"> * @return a collection of String permissions with which to perform a permission check to determine if the filter</a> |
| <span class="sourceLineNo">183</span><a id="line.183"> * will allow the request to continue.</a> |
| <span class="sourceLineNo">184</span><a id="line.184"> */</a> |
| <span class="sourceLineNo">185</span><a id="line.185"> protected String[] buildPermissions(HttpServletRequest request, String[] configuredPerms, String action) {</a> |
| <span class="sourceLineNo">186</span><a id="line.186"> return buildPermissions(configuredPerms, action);</a> |
| <span class="sourceLineNo">187</span><a id="line.187"> }</a> |
| <span class="sourceLineNo">188</span><a id="line.188"></a> |
| <span class="sourceLineNo">189</span><a id="line.189"> /**</a> |
| <span class="sourceLineNo">190</span><a id="line.190"> * Builds a new array of permission strings based on the original argument, appending the specified action verb</a> |
| <span class="sourceLineNo">191</span><a id="line.191"> * to each one per {@link org.apache.shiro.authz.permission.WildcardPermission WildcardPermission} conventions. The</a> |
| <span class="sourceLineNo">192</span><a id="line.192"> * built permission strings will be the ones used at runtime during the permission check that determines if filter</a> |
| <span class="sourceLineNo">193</span><a id="line.193"> * access should be allowed to continue or not.</a> |
| <span class="sourceLineNo">194</span><a id="line.194"> * <p/></a> |
| <span class="sourceLineNo">195</span><a id="line.195"> * For example, if the {@code configuredPerms} argument contains the following 3 permission strings:</a> |
| <span class="sourceLineNo">196</span><a id="line.196"> * <p/></a> |
| <span class="sourceLineNo">197</span><a id="line.197"> * <ol></a> |
| <span class="sourceLineNo">198</span><a id="line.198"> * <li>permission:one</li></a> |
| <span class="sourceLineNo">199</span><a id="line.199"> * <li>permission:two</li></a> |
| <span class="sourceLineNo">200</span><a id="line.200"> * <li>permission:three</li></a> |
| <span class="sourceLineNo">201</span><a id="line.201"> * </ol></a> |
| <span class="sourceLineNo">202</span><a id="line.202"> * And the action is {@code read}, then the return value will be:</a> |
| <span class="sourceLineNo">203</span><a id="line.203"> * <ol></a> |
| <span class="sourceLineNo">204</span><a id="line.204"> * <li>permission:one:read</li></a> |
| <span class="sourceLineNo">205</span><a id="line.205"> * <li>permission:two:read</li></a> |
| <span class="sourceLineNo">206</span><a id="line.206"> * <li>permission:three:read</li></a> |
| <span class="sourceLineNo">207</span><a id="line.207"> * </ol></a> |
| <span class="sourceLineNo">208</span><a id="line.208"> * per {@link org.apache.shiro.authz.permission.WildcardPermission WildcardPermission} conventions. Subclasses</a> |
| <span class="sourceLineNo">209</span><a id="line.209"> * are of course free to override this method or the</a> |
| <span class="sourceLineNo">210</span><a id="line.210"> * {@link #buildPermissions(javax.servlet.http.HttpServletRequest, String[], String) buildPermissions} request</a> |
| <span class="sourceLineNo">211</span><a id="line.211"> * variant for custom building logic or with different permission formats.</a> |
| <span class="sourceLineNo">212</span><a id="line.212"> *</a> |
| <span class="sourceLineNo">213</span><a id="line.213"> * @param configuredPerms list of configuredPerms to be converted.</a> |
| <span class="sourceLineNo">214</span><a id="line.214"> * @param action the resolved action based on the request method to be appended to permission strings.</a> |
| <span class="sourceLineNo">215</span><a id="line.215"> * @return an array of permission strings with each element appended with the action.</a> |
| <span class="sourceLineNo">216</span><a id="line.216"> */</a> |
| <span class="sourceLineNo">217</span><a id="line.217"> protected String[] buildPermissions(String[] configuredPerms, String action) {</a> |
| <span class="sourceLineNo">218</span><a id="line.218"> if (configuredPerms == null || configuredPerms.length <= 0 || !StringUtils.hasText(action)) {</a> |
| <span class="sourceLineNo">219</span><a id="line.219"> return configuredPerms;</a> |
| <span class="sourceLineNo">220</span><a id="line.220"> }</a> |
| <span class="sourceLineNo">221</span><a id="line.221"></a> |
| <span class="sourceLineNo">222</span><a id="line.222"> String[] mappedPerms = new String[configuredPerms.length];</a> |
| <span class="sourceLineNo">223</span><a id="line.223"></a> |
| <span class="sourceLineNo">224</span><a id="line.224"> // loop and append :action</a> |
| <span class="sourceLineNo">225</span><a id="line.225"> for (int i = 0; i < configuredPerms.length; i++) {</a> |
| <span class="sourceLineNo">226</span><a id="line.226"> mappedPerms[i] = configuredPerms[i] + ":" + action;</a> |
| <span class="sourceLineNo">227</span><a id="line.227"> }</a> |
| <span class="sourceLineNo">228</span><a id="line.228"></a> |
| <span class="sourceLineNo">229</span><a id="line.229"> if (log.isTraceEnabled()) {</a> |
| <span class="sourceLineNo">230</span><a id="line.230"> StringBuilder sb = new StringBuilder();</a> |
| <span class="sourceLineNo">231</span><a id="line.231"> for (int i = 0; i < mappedPerms.length; i++) {</a> |
| <span class="sourceLineNo">232</span><a id="line.232"> if (i > 0) {</a> |
| <span class="sourceLineNo">233</span><a id="line.233"> sb.append(", ");</a> |
| <span class="sourceLineNo">234</span><a id="line.234"> }</a> |
| <span class="sourceLineNo">235</span><a id="line.235"> sb.append(mappedPerms[i]);</a> |
| <span class="sourceLineNo">236</span><a id="line.236"> }</a> |
| <span class="sourceLineNo">237</span><a id="line.237"> log.trace("MAPPED '{}' action to permission(s) '{}'", action, sb);</a> |
| <span class="sourceLineNo">238</span><a id="line.238"> }</a> |
| <span class="sourceLineNo">239</span><a id="line.239"></a> |
| <span class="sourceLineNo">240</span><a id="line.240"> return mappedPerms;</a> |
| <span class="sourceLineNo">241</span><a id="line.241"> }</a> |
| <span class="sourceLineNo">242</span><a id="line.242"></a> |
| <span class="sourceLineNo">243</span><a id="line.243"> /**</a> |
| <span class="sourceLineNo">244</span><a id="line.244"> * Resolves an 'application friendly' action verb based on the {@code HttpServletRequest}'s method, appends that</a> |
| <span class="sourceLineNo">245</span><a id="line.245"> * action to each configured permission (the {@code mappedValue} argument is a {@code String[]} array), and</a> |
| <span class="sourceLineNo">246</span><a id="line.246"> * delegates the permission check for the newly constructed permission(s) to the superclass</a> |
| <span class="sourceLineNo">247</span><a id="line.247"> * {@link PermissionsAuthorizationFilter#isAccessAllowed(javax.servlet.ServletRequest, javax.servlet.ServletResponse, Object) isAccessAllowed}</a> |
| <span class="sourceLineNo">248</span><a id="line.248"> * implementation to perform the actual permission check.</a> |
| <span class="sourceLineNo">249</span><a id="line.249"> *</a> |
| <span class="sourceLineNo">250</span><a id="line.250"> * @param request the inbound {@code ServletRequest}</a> |
| <span class="sourceLineNo">251</span><a id="line.251"> * @param response the outbound {@code ServletResponse}</a> |
| <span class="sourceLineNo">252</span><a id="line.252"> * @param mappedValue the filter-specific config value mapped to this filter in the URL rules mappings.</a> |
| <span class="sourceLineNo">253</span><a id="line.253"> * @return {@code true} if the request should proceed through the filter normally, {@code false} if the</a> |
| <span class="sourceLineNo">254</span><a id="line.254"> * request should be processed by this filter's</a> |
| <span class="sourceLineNo">255</span><a id="line.255"> * {@link #onAccessDenied(ServletRequest,ServletResponse,Object)} method instead.</a> |
| <span class="sourceLineNo">256</span><a id="line.256"> * @throws IOException</a> |
| <span class="sourceLineNo">257</span><a id="line.257"> */</a> |
| <span class="sourceLineNo">258</span><a id="line.258"> @Override</a> |
| <span class="sourceLineNo">259</span><a id="line.259"> public boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws IOException {</a> |
| <span class="sourceLineNo">260</span><a id="line.260"> String[] perms = (String[]) mappedValue;</a> |
| <span class="sourceLineNo">261</span><a id="line.261"> // append the http action to the end of the permissions and then back to super</a> |
| <span class="sourceLineNo">262</span><a id="line.262"> String action = getHttpMethodAction(request);</a> |
| <span class="sourceLineNo">263</span><a id="line.263"> String[] resolvedPerms = buildPermissions(perms, action);</a> |
| <span class="sourceLineNo">264</span><a id="line.264"> return super.isAccessAllowed(request, response, resolvedPerms);</a> |
| <span class="sourceLineNo">265</span><a id="line.265"> }</a> |
| <span class="sourceLineNo">266</span><a id="line.266">}</a> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
