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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.authc;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.shiro.authc.AuthenticationException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.authc.AuthenticationToken;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.shiro.authc.UsernamePasswordToken;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.shiro.subject.Subject;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.shiro.web.util.WebUtils;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.slf4j.Logger;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.slf4j.LoggerFactory;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import javax.servlet.ServletRequest;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import javax.servlet.ServletResponse;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import javax.servlet.http.HttpServletRequest;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>/**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Requires the requesting user to be authenticated for the request to continue, and if they are not, forces the user<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * to login via by redirecting them to the {@link #setLoginUrl(String) loginUrl} you configure.<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * <p/><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <p>This filter constructs a {@link UsernamePasswordToken UsernamePasswordToken} with the values found in<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * {@link #setUsernameParam(String) username}, {@link #setPasswordParam(String) password},<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * and {@link #setRememberMeParam(String) rememberMe} request parameters. It then calls<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * {@link org.apache.shiro.subject.Subject#login(org.apache.shiro.authc.AuthenticationToken) Subject.login(usernamePasswordToken)},<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * effectively automatically performing a login attempt. Note that the login attempt will only occur when the<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * {@link #isLoginSubmission(javax.servlet.ServletRequest, javax.servlet.ServletResponse) isLoginSubmission(request,response)}<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * is <code>true</code>, which by default occurs when the request is for the {@link #setLoginUrl(String) loginUrl} and<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * is a POST request.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * <p/><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * <p>If the login attempt fails, the resulting <code>AuthenticationException</code> fully qualified class name will<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * be set as a request attribute under the {@link #setFailureKeyAttribute(String) failureKeyAttribute} key. This<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * FQCN can be used as an i18n key or lookup mechanism to explain to the user why their login attempt failed<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * (e.g. no account, incorrect password, etc).<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <p/><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * <p>If you would prefer to handle the authentication validation and login in your own code, consider using the<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * {@link PassThruAuthenticationFilter} instead, which allows requests to the<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * {@link #loginUrl} to pass through to your application's code directly.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> *<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * @see PassThruAuthenticationFilter<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * @since 0.9<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>public class FormAuthenticationFilter extends AuthenticatingFilter {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> //TODO - complete JavaDoc<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static final String DEFAULT_ERROR_KEY_ATTRIBUTE_NAME = "shiroLoginFailure";<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> public static final String DEFAULT_USERNAME_PARAM = "username";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static final String DEFAULT_PASSWORD_PARAM = "password";<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final String DEFAULT_REMEMBER_ME_PARAM = "rememberMe";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static final Logger log = LoggerFactory.getLogger(FormAuthenticationFilter.class);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private String usernameParam = DEFAULT_USERNAME_PARAM;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private String passwordParam = DEFAULT_PASSWORD_PARAM;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private String rememberMeParam = DEFAULT_REMEMBER_ME_PARAM;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private String failureKeyAttribute = DEFAULT_ERROR_KEY_ATTRIBUTE_NAME;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public FormAuthenticationFilter() {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> setLoginUrl(DEFAULT_LOGIN_URL);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> @Override<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public void setLoginUrl(String loginUrl) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> String previous = getLoginUrl();<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> if (previous != null) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> this.appliedPaths.remove(previous);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> super.setLoginUrl(loginUrl);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> if (log.isTraceEnabled()) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> log.trace("Adding login url to applied paths.");<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> this.appliedPaths.put(getLoginUrl(), null);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public String getUsernameParam() {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> return usernameParam;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Sets the request parameter name to look for when acquiring the username. Unless overridden by calling this<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * method, the default is <code>username</code>.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> *<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * @param usernameParam the name of the request param to check for acquiring the username.<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> */<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> public void setUsernameParam(String usernameParam) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.usernameParam = usernameParam;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public String getPasswordParam() {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> return passwordParam;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> /**<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * Sets the request parameter name to look for when acquiring the password. Unless overridden by calling this<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * method, the default is <code>password</code>.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> *<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * @param passwordParam the name of the request param to check for acquiring the password.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> */<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public void setPasswordParam(String passwordParam) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> this.passwordParam = passwordParam;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public String getRememberMeParam() {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return rememberMeParam;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> /**<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * Sets the request parameter name to look for when acquiring the rememberMe boolean value. Unless overridden<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * by calling this method, the default is <code>rememberMe</code>.<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * <p/><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * RememberMe will be <code>true</code> if the parameter value equals any of those supported by<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * {@link org.apache.shiro.web.util.WebUtils#isTrue(javax.servlet.ServletRequest, String) WebUtils.isTrue(request,value)}, <code>false</code><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * otherwise.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> *<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * @param rememberMeParam the name of the request param to check for acquiring the rememberMe boolean value.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public void setRememberMeParam(String rememberMeParam) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> this.rememberMeParam = rememberMeParam;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> public String getFailureKeyAttribute() {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return failureKeyAttribute;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void setFailureKeyAttribute(String failureKeyAttribute) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> this.failureKeyAttribute = failureKeyAttribute;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (isLoginRequest(request, response)) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (isLoginSubmission(request, response)) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> if (log.isTraceEnabled()) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> log.trace("Login submission detected. Attempting to execute login.");<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> return executeLogin(request, response);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> } else {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (log.isTraceEnabled()) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> log.trace("Login page view.");<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> //allow them to see the login page ;)<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> return true;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> } else {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (log.isTraceEnabled()) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> log.trace("Attempting to access a path which requires authentication. Forwarding to the " +<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> "Authentication url [" + getLoginUrl() + "]");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> saveRequestAndRedirectToLogin(request, response);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> return false;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span><a name="line.172"></a> |
| <span class="sourceLineNo">173</span> /**<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * This default implementation merely returns <code>true</code> if the request is an HTTP <code>POST</code>,<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * <code>false</code> otherwise. Can be overridden by subclasses for custom login submission detection behavior.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> *<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * @param request the incoming ServletRequest<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @param response the outgoing ServletResponse.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * @return <code>true</code> if the request is an HTTP <code>POST</code>, <code>false</code> otherwise.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> */<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> @SuppressWarnings({"UnusedDeclaration"})<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> protected boolean isLoginSubmission(ServletRequest request, ServletResponse response) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> return (request instanceof HttpServletRequest) && WebUtils.toHttp(request).getMethod().equalsIgnoreCase(POST_METHOD);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> protected AuthenticationToken createToken(ServletRequest request, ServletResponse response) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> String username = getUsername(request);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> String password = getPassword(request);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> return createToken(username, password, request, response);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> protected boolean isRememberMe(ServletRequest request) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> return WebUtils.isTrue(request, getRememberMeParam());<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> protected boolean onLoginSuccess(AuthenticationToken token, Subject subject,<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> ServletRequest request, ServletResponse response) throws Exception {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> issueSuccessRedirect(request, response);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> //we handled the success redirect directly, prevent the chain from continuing:<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> return false;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> protected boolean onLoginFailure(AuthenticationToken token, AuthenticationException e,<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> ServletRequest request, ServletResponse response) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> if (log.isDebugEnabled()) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> log.debug( "Authentication exception", e );<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> setFailureAttribute(request, e);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> //login failed, let request continue back to the login page:<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> return true;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> protected void setFailureAttribute(ServletRequest request, AuthenticationException ae) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> String className = ae.getClass().getName();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> request.setAttribute(getFailureKeyAttribute(), className);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> protected String getUsername(ServletRequest request) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> return WebUtils.getCleanParam(request, getUsernameParam());<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> protected String getPassword(ServletRequest request) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return WebUtils.getCleanParam(request, getPasswordParam());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span>}<a name="line.227"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
