| <HTML> |
| <BODY BGCOLOR="white"> |
| <PRE> |
| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <FONT color="green">007</FONT> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <FONT color="green">008</FONT> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <FONT color="green">014</FONT> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <FONT color="green">015</FONT> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <FONT color="green">016</FONT> * specific language governing permissions and limitations<a name="line.16"></a> |
| <FONT color="green">017</FONT> * under the License.<a name="line.17"></a> |
| <FONT color="green">018</FONT> */<a name="line.18"></a> |
| <FONT color="green">019</FONT> package org.apache.shiro.realm.ldap;<a name="line.19"></a> |
| <FONT color="green">020</FONT> <a name="line.20"></a> |
| <FONT color="green">021</FONT> import java.util.Collection;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import java.util.HashSet;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.util.Set;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import javax.naming.NamingEnumeration;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import javax.naming.NamingException;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import javax.naming.directory.Attribute;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import javax.naming.ldap.LdapContext;<a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.slf4j.Logger;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.slf4j.LoggerFactory;<a name="line.30"></a> |
| <FONT color="green">031</FONT> <a name="line.31"></a> |
| <FONT color="green">032</FONT> /**<a name="line.32"></a> |
| <FONT color="green">033</FONT> * Utility class providing static methods to make working with LDAP<a name="line.33"></a> |
| <FONT color="green">034</FONT> * easier.<a name="line.34"></a> |
| <FONT color="green">035</FONT> *<a name="line.35"></a> |
| <FONT color="green">036</FONT> * @since 0.2<a name="line.36"></a> |
| <FONT color="green">037</FONT> */<a name="line.37"></a> |
| <FONT color="green">038</FONT> public final class LdapUtils {<a name="line.38"></a> |
| <FONT color="green">039</FONT> <a name="line.39"></a> |
| <FONT color="green">040</FONT> /**<a name="line.40"></a> |
| <FONT color="green">041</FONT> * Private internal log instance.<a name="line.41"></a> |
| <FONT color="green">042</FONT> */<a name="line.42"></a> |
| <FONT color="green">043</FONT> private static final Logger log = LoggerFactory.getLogger(LdapUtils.class);<a name="line.43"></a> |
| <FONT color="green">044</FONT> <a name="line.44"></a> |
| <FONT color="green">045</FONT> /**<a name="line.45"></a> |
| <FONT color="green">046</FONT> * Closes an LDAP context, logging any errors, but not throwing<a name="line.46"></a> |
| <FONT color="green">047</FONT> * an exception if there is a failure.<a name="line.47"></a> |
| <FONT color="green">048</FONT> *<a name="line.48"></a> |
| <FONT color="green">049</FONT> * @param ctx the LDAP context to close.<a name="line.49"></a> |
| <FONT color="green">050</FONT> */<a name="line.50"></a> |
| <FONT color="green">051</FONT> public static void closeContext(LdapContext ctx) {<a name="line.51"></a> |
| <FONT color="green">052</FONT> try {<a name="line.52"></a> |
| <FONT color="green">053</FONT> if (ctx != null) {<a name="line.53"></a> |
| <FONT color="green">054</FONT> ctx.close();<a name="line.54"></a> |
| <FONT color="green">055</FONT> }<a name="line.55"></a> |
| <FONT color="green">056</FONT> } catch (NamingException e) {<a name="line.56"></a> |
| <FONT color="green">057</FONT> log.error("Exception while closing LDAP context. ", e);<a name="line.57"></a> |
| <FONT color="green">058</FONT> }<a name="line.58"></a> |
| <FONT color="green">059</FONT> }<a name="line.59"></a> |
| <FONT color="green">060</FONT> <a name="line.60"></a> |
| <FONT color="green">061</FONT> /**<a name="line.61"></a> |
| <FONT color="green">062</FONT> * Helper method used to retrieve all attribute values from a particular context attribute.<a name="line.62"></a> |
| <FONT color="green">063</FONT> *<a name="line.63"></a> |
| <FONT color="green">064</FONT> * @param attr the LDAP attribute.<a name="line.64"></a> |
| <FONT color="green">065</FONT> * @return the values of the attribute.<a name="line.65"></a> |
| <FONT color="green">066</FONT> * @throws javax.naming.NamingException if there is an LDAP error while reading the values.<a name="line.66"></a> |
| <FONT color="green">067</FONT> */<a name="line.67"></a> |
| <FONT color="green">068</FONT> public static Collection<String> getAllAttributeValues(Attribute attr) throws NamingException {<a name="line.68"></a> |
| <FONT color="green">069</FONT> Set<String> values = new HashSet<String>();<a name="line.69"></a> |
| <FONT color="green">070</FONT> NamingEnumeration ne = null;<a name="line.70"></a> |
| <FONT color="green">071</FONT> try {<a name="line.71"></a> |
| <FONT color="green">072</FONT> ne = attr.getAll();<a name="line.72"></a> |
| <FONT color="green">073</FONT> while (ne.hasMore()) {<a name="line.73"></a> |
| <FONT color="green">074</FONT> String value = (String) ne.next();<a name="line.74"></a> |
| <FONT color="green">075</FONT> values.add(value);<a name="line.75"></a> |
| <FONT color="green">076</FONT> }<a name="line.76"></a> |
| <FONT color="green">077</FONT> } finally {<a name="line.77"></a> |
| <FONT color="green">078</FONT> closeEnumeration(ne);<a name="line.78"></a> |
| <FONT color="green">079</FONT> }<a name="line.79"></a> |
| <FONT color="green">080</FONT> <a name="line.80"></a> |
| <FONT color="green">081</FONT> return values;<a name="line.81"></a> |
| <FONT color="green">082</FONT> }<a name="line.82"></a> |
| <FONT color="green">083</FONT> <a name="line.83"></a> |
| <FONT color="green">084</FONT> //added based on SHIRO-127, per Emmanuel's comment [1]<a name="line.84"></a> |
| <FONT color="green">085</FONT> // [1] https://issues.apache.org/jira/browse/SHIRO-127?focusedCommentId=12891380&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12891380<a name="line.85"></a> |
| <FONT color="green">086</FONT> <a name="line.86"></a> |
| <FONT color="green">087</FONT> public static void closeEnumeration(NamingEnumeration ne) {<a name="line.87"></a> |
| <FONT color="green">088</FONT> try {<a name="line.88"></a> |
| <FONT color="green">089</FONT> if (ne != null) {<a name="line.89"></a> |
| <FONT color="green">090</FONT> ne.close();<a name="line.90"></a> |
| <FONT color="green">091</FONT> }<a name="line.91"></a> |
| <FONT color="green">092</FONT> } catch (NamingException e) {<a name="line.92"></a> |
| <FONT color="green">093</FONT> log.error("Exception while closing NamingEnumeration: ", e);<a name="line.93"></a> |
| <FONT color="green">094</FONT> }<a name="line.94"></a> |
| <FONT color="green">095</FONT> }<a name="line.95"></a> |
| <FONT color="green">096</FONT> <a name="line.96"></a> |
| <FONT color="green">097</FONT> }<a name="line.97"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </PRE> |
| </BODY> |
| </HTML> |