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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.guice;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.lang.reflect.Method;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.Collection;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.Collections;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.WeakHashMap;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>import javax.annotation.PreDestroy;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>import com.google.inject.Provider;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import com.google.inject.matcher.Matchers;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import com.google.inject.spi.InjectionListener;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import com.google.inject.spi.TypeEncounter;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import com.google.inject.spi.TypeListener;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.shiro.config.ConfigurationException;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.shiro.env.Environment;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.shiro.event.EventBus;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.shiro.event.EventBusAware;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.shiro.event.Subscribe;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.shiro.event.support.DefaultEventBus;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.shiro.mgt.DefaultSecurityManager;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.shiro.mgt.SecurityManager;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.shiro.realm.Realm;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.shiro.session.mgt.DefaultSessionManager;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.shiro.session.mgt.SessionManager;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.shiro.util.ClassUtils;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.shiro.util.Destroyable;<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>import com.google.inject.Key;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import com.google.inject.PrivateModule;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import com.google.inject.TypeLiteral;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import com.google.inject.binder.AnnotatedBindingBuilder;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import com.google.inject.binder.LinkedBindingBuilder;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import com.google.inject.multibindings.Multibinder;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import com.google.inject.util.Types;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.slf4j.Logger;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.slf4j.LoggerFactory;<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>/**<a name="line.60"></a>
<span class="sourceLineNo">061</span> * Sets up Shiro lifecycles within Guice, enables the injecting of Shiro objects, and binds a default<a name="line.61"></a>
<span class="sourceLineNo">062</span> * {@link org.apache.shiro.mgt.SecurityManager} and {@link org.apache.shiro.session.mgt.SessionManager}. At least one realm must be added by using<a name="line.62"></a>
<span class="sourceLineNo">063</span> * {@link #bindRealm() bindRealm}.<a name="line.63"></a>
<span class="sourceLineNo">064</span> */<a name="line.64"></a>
<span class="sourceLineNo">065</span>public abstract class ShiroModule extends PrivateModule implements Destroyable {<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span> private final Logger log = LoggerFactory.getLogger(ShiroModule.class);<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> private Set&lt;Destroyable&gt; destroyables = Collections.newSetFromMap(new WeakHashMap&lt;Destroyable, Boolean&gt;());<a name="line.69"></a>
<span class="sourceLineNo">070</span> public void configure() {<a name="line.70"></a>
<span class="sourceLineNo">071</span> // setup security manager<a name="line.71"></a>
<span class="sourceLineNo">072</span> bindSecurityManager(bind(SecurityManager.class));<a name="line.72"></a>
<span class="sourceLineNo">073</span> bindSessionManager(bind(SessionManager.class));<a name="line.73"></a>
<span class="sourceLineNo">074</span> bindEnvironment(bind(Environment.class));<a name="line.74"></a>
<span class="sourceLineNo">075</span> bindListener(BeanTypeListener.MATCHER, new BeanTypeListener());<a name="line.75"></a>
<span class="sourceLineNo">076</span> bindEventBus(bind(EventBus.class));<a name="line.76"></a>
<span class="sourceLineNo">077</span> bindListener(Matchers.any(), new SubscribedEventTypeListener());<a name="line.77"></a>
<span class="sourceLineNo">078</span> bindListener(Matchers.any(), new EventBusAwareTypeListener());<a name="line.78"></a>
<span class="sourceLineNo">079</span> final DestroyableInjectionListener.DestroyableRegistry registry = new DestroyableInjectionListener.DestroyableRegistry() {<a name="line.79"></a>
<span class="sourceLineNo">080</span> public void add(Destroyable destroyable) {<a name="line.80"></a>
<span class="sourceLineNo">081</span> ShiroModule.this.add(destroyable);<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> @PreDestroy<a name="line.84"></a>
<span class="sourceLineNo">085</span> public void destroy() {<a name="line.85"></a>
<span class="sourceLineNo">086</span> ShiroModule.this.destroy();<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span> };<a name="line.88"></a>
<span class="sourceLineNo">089</span> bindListener(LifecycleTypeListener.MATCHER, new LifecycleTypeListener(registry));<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> expose(SecurityManager.class);<a name="line.91"></a>
<span class="sourceLineNo">092</span> expose(EventBus.class);<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> configureShiro();<a name="line.94"></a>
<span class="sourceLineNo">095</span> bind(realmCollectionKey())<a name="line.95"></a>
<span class="sourceLineNo">096</span> .to(realmSetKey());<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span> bind(DestroyableInjectionListener.DestroyableRegistry.class).toInstance(registry);<a name="line.98"></a>
<span class="sourceLineNo">099</span> BeanTypeListener.ensureBeanTypeMapExists(binder());<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> @SuppressWarnings({"unchecked"})<a name="line.102"></a>
<span class="sourceLineNo">103</span> private Key&lt;Set&lt;Realm&gt;&gt; realmSetKey() {<a name="line.103"></a>
<span class="sourceLineNo">104</span> return (Key&lt;Set&lt;Realm&gt;&gt;) Key.get(TypeLiteral.get(Types.setOf(Realm.class)));<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> @SuppressWarnings({"unchecked"})<a name="line.107"></a>
<span class="sourceLineNo">108</span> private Key&lt;Collection&lt;Realm&gt;&gt; realmCollectionKey() {<a name="line.108"></a>
<span class="sourceLineNo">109</span> return (Key&lt;Collection&lt;Realm&gt;&gt;) Key.get(Types.newParameterizedType(Collection.class, Realm.class));<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> * Implement this method in order to configure your realms and any other Shiro customization you may need.<a name="line.113"></a>
<span class="sourceLineNo">114</span> */<a name="line.114"></a>
<span class="sourceLineNo">115</span> protected abstract void configureShiro();<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
<span class="sourceLineNo">118</span> * This is the preferred manner to bind a realm. The {@link org.apache.shiro.mgt.SecurityManager} will be injected with any Realm bound<a name="line.118"></a>
<span class="sourceLineNo">119</span> * with this method.<a name="line.119"></a>
<span class="sourceLineNo">120</span> *<a name="line.120"></a>
<span class="sourceLineNo">121</span> * @return a binding builder for a realm<a name="line.121"></a>
<span class="sourceLineNo">122</span> */<a name="line.122"></a>
<span class="sourceLineNo">123</span> protected final LinkedBindingBuilder&lt;Realm&gt; bindRealm() {<a name="line.123"></a>
<span class="sourceLineNo">124</span> Multibinder&lt;Realm&gt; multibinder = Multibinder.newSetBinder(binder(), Realm.class);<a name="line.124"></a>
<span class="sourceLineNo">125</span> return multibinder.addBinding();<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> /**<a name="line.128"></a>
<span class="sourceLineNo">129</span> * Binds the security manager. Override this method in order to provide your own security manager binding.<a name="line.129"></a>
<span class="sourceLineNo">130</span> * &lt;p/&gt;<a name="line.130"></a>
<span class="sourceLineNo">131</span> * By default, a {@link org.apache.shiro.mgt.DefaultSecurityManager} is bound as an eager singleton.<a name="line.131"></a>
<span class="sourceLineNo">132</span> *<a name="line.132"></a>
<span class="sourceLineNo">133</span> * @param bind<a name="line.133"></a>
<span class="sourceLineNo">134</span> */<a name="line.134"></a>
<span class="sourceLineNo">135</span> protected void bindSecurityManager(AnnotatedBindingBuilder&lt;? super SecurityManager&gt; bind) {<a name="line.135"></a>
<span class="sourceLineNo">136</span> try {<a name="line.136"></a>
<span class="sourceLineNo">137</span> bind.toConstructor(DefaultSecurityManager.class.getConstructor(Collection.class)).asEagerSingleton();<a name="line.137"></a>
<span class="sourceLineNo">138</span> } catch (NoSuchMethodException e) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> throw new ConfigurationException("This really shouldn't happen. Either something has changed in Shiro, or there's a bug in " + ShiroModule.class.getSimpleName(), e);<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<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> * Binds the session manager. Override this method in order to provide your own session manager binding.<a name="line.144"></a>
<span class="sourceLineNo">145</span> * &lt;p/&gt;<a name="line.145"></a>
<span class="sourceLineNo">146</span> * By default, a {@link org.apache.shiro.session.mgt.DefaultSessionManager} is bound as an eager singleton.<a name="line.146"></a>
<span class="sourceLineNo">147</span> *<a name="line.147"></a>
<span class="sourceLineNo">148</span> * @param bind<a name="line.148"></a>
<span class="sourceLineNo">149</span> */<a name="line.149"></a>
<span class="sourceLineNo">150</span> protected void bindSessionManager(AnnotatedBindingBuilder&lt;SessionManager&gt; bind) {<a name="line.150"></a>
<span class="sourceLineNo">151</span> bind.to(DefaultSessionManager.class).asEagerSingleton();<a name="line.151"></a>
<span class="sourceLineNo">152</span> }<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span> /**<a name="line.154"></a>
<span class="sourceLineNo">155</span> * Binds the environment. Override this method in order to provide your own environment binding.<a name="line.155"></a>
<span class="sourceLineNo">156</span> * &lt;p/&gt;<a name="line.156"></a>
<span class="sourceLineNo">157</span> * By default, a {@link GuiceEnvironment} is bound as an eager singleton.<a name="line.157"></a>
<span class="sourceLineNo">158</span> *<a name="line.158"></a>
<span class="sourceLineNo">159</span> * @param bind<a name="line.159"></a>
<span class="sourceLineNo">160</span> */<a name="line.160"></a>
<span class="sourceLineNo">161</span> protected void bindEnvironment(AnnotatedBindingBuilder&lt;Environment&gt; bind) {<a name="line.161"></a>
<span class="sourceLineNo">162</span> bind.to(GuiceEnvironment.class).asEagerSingleton();<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> /**<a name="line.165"></a>
<span class="sourceLineNo">166</span> * Binds a key to use for injecting setters in shiro classes.<a name="line.166"></a>
<span class="sourceLineNo">167</span> * @param typeLiteral the bean property type<a name="line.167"></a>
<span class="sourceLineNo">168</span> * @param key the key to use to satisfy the bean property dependency<a name="line.168"></a>
<span class="sourceLineNo">169</span> * @param &lt;T&gt;<a name="line.169"></a>
<span class="sourceLineNo">170</span> */<a name="line.170"></a>
<span class="sourceLineNo">171</span> protected final &lt;T&gt; void bindBeanType(TypeLiteral&lt;T&gt; typeLiteral, Key&lt;? extends T&gt; key) {<a name="line.171"></a>
<span class="sourceLineNo">172</span> BeanTypeListener.bindBeanType(binder(), typeLiteral, key);<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> /**<a name="line.175"></a>
<span class="sourceLineNo">176</span> * Binds the EventBus. Override this method in order to provide your own {@link EventBus} binding.<a name="line.176"></a>
<span class="sourceLineNo">177</span> * @param bind<a name="line.177"></a>
<span class="sourceLineNo">178</span> * @since 1.4<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> protected void bindEventBus(AnnotatedBindingBuilder&lt;EventBus&gt; bind) {<a name="line.180"></a>
<span class="sourceLineNo">181</span> bind.to(DefaultEventBus.class).asEagerSingleton();<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span> /**<a name="line.184"></a>
<span class="sourceLineNo">185</span> * Destroys all beans created within this module that implement {@link org.apache.shiro.util.Destroyable}. Should be called when this<a name="line.185"></a>
<span class="sourceLineNo">186</span> * module will no longer be used.<a name="line.186"></a>
<span class="sourceLineNo">187</span> *<a name="line.187"></a>
<span class="sourceLineNo">188</span> * @throws Exception<a name="line.188"></a>
<span class="sourceLineNo">189</span> */<a name="line.189"></a>
<span class="sourceLineNo">190</span> public final void destroy() {<a name="line.190"></a>
<span class="sourceLineNo">191</span> for (Destroyable destroyable : destroyables) {<a name="line.191"></a>
<span class="sourceLineNo">192</span> try {<a name="line.192"></a>
<span class="sourceLineNo">193</span> destroyable.destroy();<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span> catch(Exception e) {<a name="line.195"></a>
<span class="sourceLineNo">196</span> log.warn("Error destroying component class: " + destroyable.getClass(), e);<a name="line.196"></a>
<span class="sourceLineNo">197</span> }<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> public void add(Destroyable destroyable) {<a name="line.201"></a>
<span class="sourceLineNo">202</span> this.destroyables.add(destroyable);<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span> private class SubscribedEventTypeListener implements TypeListener {<a name="line.205"></a>
<span class="sourceLineNo">206</span> @Override<a name="line.206"></a>
<span class="sourceLineNo">207</span> public &lt;I&gt; void hear(TypeLiteral&lt;I&gt; typeLiteral, TypeEncounter&lt;I&gt; typeEncounter) {<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span> final Provider&lt;EventBus&gt; eventBusProvider = typeEncounter.getProvider(EventBus.class);<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> List&lt;Method&gt; methods = ClassUtils.getAnnotatedMethods(typeLiteral.getRawType(), Subscribe.class);<a name="line.211"></a>
<span class="sourceLineNo">212</span> if (methods != null &amp;&amp; !methods.isEmpty()) {<a name="line.212"></a>
<span class="sourceLineNo">213</span> typeEncounter.register( new InjectionListener&lt;I&gt;() {<a name="line.213"></a>
<span class="sourceLineNo">214</span> @Override<a name="line.214"></a>
<span class="sourceLineNo">215</span> public void afterInjection(Object o) {<a name="line.215"></a>
<span class="sourceLineNo">216</span> eventBusProvider.get().register(o);<a name="line.216"></a>
<span class="sourceLineNo">217</span> }<a name="line.217"></a>
<span class="sourceLineNo">218</span> });<a name="line.218"></a>
<span class="sourceLineNo">219</span> }<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><a name="line.222"></a>
<span class="sourceLineNo">223</span> private class EventBusAwareTypeListener implements TypeListener {<a name="line.223"></a>
<span class="sourceLineNo">224</span> @Override<a name="line.224"></a>
<span class="sourceLineNo">225</span> public &lt;I&gt; void hear(TypeLiteral&lt;I&gt; typeLiteral, TypeEncounter&lt;I&gt; typeEncounter) {<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> final Provider&lt;EventBus&gt; eventBusProvider = typeEncounter.getProvider(EventBus.class);<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span> if (EventBusAware.class.isAssignableFrom(typeLiteral.getRawType())) {<a name="line.229"></a>
<span class="sourceLineNo">230</span> typeEncounter.register( new InjectionListener&lt;I&gt;() {<a name="line.230"></a>
<span class="sourceLineNo">231</span> @Override<a name="line.231"></a>
<span class="sourceLineNo">232</span> public void afterInjection(Object o) {<a name="line.232"></a>
<span class="sourceLineNo">233</span> ((EventBusAware)o).setEventBus(eventBusProvider.get());<a name="line.233"></a>
<span class="sourceLineNo">234</span> }<a name="line.234"></a>
<span class="sourceLineNo">235</span> });<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span> }<a name="line.238"></a>
<span class="sourceLineNo">239</span>}<a name="line.239"></a>
</pre>
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