| <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>RandomSessionIdGenerator.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">Apache Shiro :: All (aggregate jar)</a> > <a href="../index.html" class="el_bundle">shiro-core</a> > <a href="index.source.html" class="el_package">org.apache.shiro.session.mgt.eis</a> > <span class="el_source">RandomSessionIdGenerator.java</span></div><h1>RandomSessionIdGenerator.java</h1><pre class="source lang-java linenums">/* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.shiro.session.mgt.eis; |
| |
| import org.apache.shiro.session.Session; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.Serializable; |
| import java.util.Random; |
| |
| /** |
| * Generates session IDs by using a {@link Random} instance to generate random IDs. The default {@code Random} |
| * implementation is a {@link java.security.SecureRandom SecureRandom} with the {@code SHA1PRNG} algorithm. |
| * |
| * @since 1.0 |
| */ |
| public class RandomSessionIdGenerator implements SessionIdGenerator { |
| |
| <span class="nc" id="L36"> private static final Logger log = LoggerFactory.getLogger(RandomSessionIdGenerator.class);</span> |
| |
| private static final String RANDOM_NUM_GENERATOR_ALGORITHM_NAME = "SHA1PRNG"; |
| private Random random; |
| |
| <span class="nc" id="L41"> public RandomSessionIdGenerator() {</span> |
| try { |
| <span class="nc" id="L43"> this.random = java.security.SecureRandom.getInstance(RANDOM_NUM_GENERATOR_ALGORITHM_NAME);</span> |
| <span class="nc" id="L44"> } catch (java.security.NoSuchAlgorithmException e) {</span> |
| <span class="nc" id="L45"> log.debug("The SecureRandom SHA1PRNG algorithm is not available on the current platform. Using the " +</span> |
| "platform's default SecureRandom algorithm.", e); |
| <span class="nc" id="L47"> this.random = new java.security.SecureRandom();</span> |
| <span class="nc" id="L48"> }</span> |
| <span class="nc" id="L49"> }</span> |
| |
| public Random getRandom() { |
| <span class="nc" id="L52"> return this.random;</span> |
| } |
| |
| public void setRandom(Random random) { |
| <span class="nc" id="L56"> this.random = random;</span> |
| <span class="nc" id="L57"> }</span> |
| |
| /** |
| * Returns the String value of the configured {@link Random}'s {@link Random#nextLong() nextLong()} invocation. |
| * |
| * @param session the {@link Session} instance to which the ID will be applied. |
| * @return the String value of the configured {@link Random}'s {@link Random#nextLong()} invocation. |
| */ |
| public Serializable generateId(Session session) { |
| //ignore the argument - just call the Random: |
| <span class="nc" id="L67"> return Long.toString(getRandom().nextLong());</span> |
| } |
| } |
| </pre><div class="footer"><span class="right">Created with <a href="http://www.eclemma.org/jacoco">JaCoCo</a> 0.7.7.201606060606</span></div></body></html> |
