Google Git
Sign in
apache / shiro-site / 01016f43374d9b054f3ea1e568b015d5d69428f9 / . / src / site / assets / static / 1.8.0 / xref / org / apache / shiro / authc / pam / FirstSuccessfulStrategy.html
blob: d5d2a588539707cb02a1f4ecc4e1d11da183e20c [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>FirstSuccessfulStrategy xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../apidocs/org/apache/shiro/authc/pam/FirstSuccessfulStrategy.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.authc.pam;
<a class="jxr_linenumber" name="L20" href="#L20">20</a>
<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationException;
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationInfo;
<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationToken;
<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.realm.Realm;
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.subject.PrincipalCollection;
<a class="jxr_linenumber" name="L26" href="#L26">26</a>
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> java.util.Collection;
<a class="jxr_linenumber" name="L28" href="#L28">28</a>
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * {@link AuthenticationStrategy} implementation that only accepts the account data from</em>
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * the first successfully consulted Realm and ignores all subsequent realms. This is slightly</em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * different behavior than {@link AtLeastOneSuccessfulStrategy}, so please review both to see</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * which one meets your needs better.</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * @see AtLeastOneSuccessfulStrategy AtLeastOneSuccessfulAuthenticationStrategy</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * @since 0.9</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="FirstSuccessfulStrategy" href="../../../../../org/apache/shiro/authc/pam/FirstSuccessfulStrategy.html#FirstSuccessfulStrategy">FirstSuccessfulStrategy</a> <strong class="jxr_keyword">extends</strong> <a name="AbstractAuthenticationStrategy" href="../../../../../org/apache/shiro/authc/pam/AbstractAuthenticationStrategy.html#AbstractAuthenticationStrategy">AbstractAuthenticationStrategy</a> {
<a class="jxr_linenumber" name="L39" href="#L39">39</a>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> stopAfterFirstSuccess;
<a class="jxr_linenumber" name="L41" href="#L41">41</a>
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setStopAfterFirstSuccess (<strong class="jxr_keyword">boolean</strong> stopAfterFirstSuccess ) {
<a class="jxr_linenumber" name="L43" href="#L43">43</a>
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">this</strong>.stopAfterFirstSuccess = stopAfterFirstSuccess ;
<a class="jxr_linenumber" name="L45" href="#L45">45</a> }
<a class="jxr_linenumber" name="L46" href="#L46">46</a>
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> getStopAfterFirstSuccess() {
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">return</strong> stopAfterFirstSuccess ;
<a class="jxr_linenumber" name="L49" href="#L49">49</a> }
<a class="jxr_linenumber" name="L50" href="#L50">50</a>
<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * Returns {@code null} immediately, relying on this class's {@link #merge merge} implementation to return</em>
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * only the first {@code info} object it encounters, ignoring all subsequent ones.</em>
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">public</strong> <a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a> beforeAllAttempts(Collection&lt;? <strong class="jxr_keyword">extends</strong> Realm&gt; realms, <a name="AuthenticationToken" href="../../../../../org/apache/shiro/authc/AuthenticationToken.html#AuthenticationToken">AuthenticationToken</a> token) <strong class="jxr_keyword">throws</strong> <a name="AuthenticationException" href="../../../../../org/apache/shiro/authc/AuthenticationException.html#AuthenticationException">AuthenticationException</a> {
<a class="jxr_linenumber" name="L56" href="#L56">56</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="L57" href="#L57">57</a> }
<a class="jxr_linenumber" name="L58" href="#L58">58</a>
<a class="jxr_linenumber" name="L59" href="#L59">59</a>
<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * Throws ShortCircuitIterationException if stopAfterFirstSuccess is set and authentication is </em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * successful with a previously consulted realm. </em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * Returns the &lt;code&gt;aggregate&lt;/code&gt; method argument, without modification</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * otherwise.</em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">public</strong> <a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/<a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a>.html#AuthenticationInfo">AuthenticationInfo</a> beforeAttempt(<a name="Realm" href="../../../../../org/apache/shiro/realm/Realm.html#Realm">Realm</a> realm, <a name="AuthenticationToken" href="../../../../../org/apache/shiro/authc/AuthenticationToken.html#AuthenticationToken">AuthenticationToken</a> token, <a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a> aggregate) <strong class="jxr_keyword">throws</strong> <a name="AuthenticationException" href="../../../../../org/apache/shiro/authc/AuthenticationException.html#AuthenticationException">AuthenticationException</a> {
<a class="jxr_linenumber" name="L67" href="#L67">67</a> <strong class="jxr_keyword">if</strong> (getStopAfterFirstSuccess() &amp;&amp; aggregate != <strong class="jxr_keyword">null</strong> &amp;&amp; !isEmpty(aggregate.getPrincipals())) {
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a name="ShortCircuitIterationException" href="../../../../../org/apache/shiro/authc/pam/ShortCircuitIterationException.html#ShortCircuitIterationException">ShortCircuitIterationException</a>();
<a class="jxr_linenumber" name="L69" href="#L69">69</a> }
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">return</strong> aggregate;
<a class="jxr_linenumber" name="L71" href="#L71">71</a> }
<a class="jxr_linenumber" name="L72" href="#L72">72</a>
<a class="jxr_linenumber" name="L73" href="#L73">73</a>
<a class="jxr_linenumber" name="L74" href="#L74">74</a>
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isEmpty(<a name="PrincipalCollection" href="../../../../../org/apache/shiro/subject/PrincipalCollection.html#PrincipalCollection">PrincipalCollection</a> pc) {
<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">return</strong> pc == <strong class="jxr_keyword">null</strong> || pc.isEmpty();
<a class="jxr_linenumber" name="L77" href="#L77">77</a> }
<a class="jxr_linenumber" name="L78" href="#L78">78</a>
<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * Returns the specified {@code aggregate} instance if is non null and valid (that is, has principals and they are</em>
<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> * not empty) immediately, or, if it is null or not valid, the {@code info} argument is returned instead.</em>
<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment"> * This logic ensures that the first valid info encountered is the one retained and all subsequent ones are ignored,</em>
<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em class="jxr_javadoccomment"> * since this strategy mandates that only the info from the first successfully authenticated realm be used.</em>
<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong class="jxr_keyword">protected</strong> <a name="AuthenticationIn<a name="AuthenticationIn<a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a>/../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a>/../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a> merge(<a name="AuthenticationIn<a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a>/../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a> info, <a name="AuthenticationInfo" href="../../../../../org/apache/shiro/authc/AuthenticationInfo.html#AuthenticationInfo">AuthenticationInfo</a> aggregate) {
<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">if</strong> (aggregate != <strong class="jxr_keyword">null</strong> &amp;&amp; !isEmpty(aggregate.getPrincipals())) {
<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">return</strong> aggregate;
<a class="jxr_linenumber" name="L89" href="#L89">89</a> }
<a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">return</strong> info != <strong class="jxr_keyword">null</strong> ? info : aggregate;
<a class="jxr_linenumber" name="L91" href="#L91">91</a> }
<a class="jxr_linenumber" name="L92" href="#L92">92</a> }
</pre>
<hr/>
<div id="footer">Copyright &#169; 2004&#x2013;2021 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
</body>
</html>