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<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." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</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>
<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.authc;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.subject.PrincipalCollection;
<a class="jxr_linenumber" name="L23" href="#L23">23</a>
<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> java.io.Serializable;
<a class="jxr_linenumber" name="L25" href="#L25">25</a>
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment"> * &lt;code&gt;AuthenticationInfo&lt;/code&gt; represents a Subject's (aka user's) stored account information relevant to the</em>
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment"> * authentication/log-in process only.</em>
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * It is important to understand the difference between this interface and the</em>
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * {@link AuthenticationToken AuthenticationToken} interface. &lt;code&gt;AuthenticationInfo&lt;/code&gt; implementations</em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * represent already-verified and stored account data, whereas an &lt;code&gt;AuthenticationToken&lt;/code&gt; represents data</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * submitted for any given login attempt (which may or may not successfully match the verified and stored account</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * &lt;code&gt;AuthenticationInfo&lt;/code&gt;).</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * Because the act of authentication (log-in) is orthogonal to authorization (access control), this interface is</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * intended to represent only the account data needed by Shiro during an authentication attempt. Shiro also</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * has a parallel {@link org.apache.shiro.authz.AuthorizationInfo AuthorizationInfo} interface for use during the</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * authorization process that references access control data such as roles and permissions.</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * But because many if not most {@link org.apache.shiro.realm.Realm Realm}s store both sets of data for a Subject, it might be</em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * convenient for a &lt;code&gt;Realm&lt;/code&gt; implementation to utilize an implementation of the {@link Account Account}</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * interface instead, which is a convenience interface that combines both &lt;code&gt;AuthenticationInfo&lt;/code&gt; and</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * &lt;code&gt;AuthorizationInfo&lt;/code&gt;. Whether you choose to implement these two interfaces separately or implement the one</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * &lt;code&gt;Account&lt;/code&gt; interface for a given &lt;code&gt;Realm&lt;/code&gt; is entirely based on your application's needs or your</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * preferences.</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * &lt;p&gt;&lt;b&gt;Please note:&lt;/b&gt; Since Shiro sometimes logs authentication operations, please ensure your AuthenticationInfo's</em>
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * &lt;code&gt;toString()&lt;/code&gt; implementation does &lt;em&gt;not&lt;/em&gt; print out account credentials (password, etc), as these might be viewable to</em>
<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * someone reading your logs. This is good practice anyway, and account credentials should rarely (if ever) be printed</em>
<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * out for any reason. If you're using Shiro's default implementations of this interface, they only ever print the</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * account {@link #getPrincipals() principals}, so you do not need to do anything additional.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> * @see org.apache.shiro.authz.AuthorizationInfo AuthorizationInfo</em>
<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * @see Account</em>
<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * @since 0.9</em>
<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> <strong class="jxr_keyword">extends</strong> Serializable {
<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"> * Returns all principals associated with the corresponding Subject. Each principal is an identifying piece of</em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * information useful to the application such as a username, or user id, a given name, etc - anything useful</em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * to the application to identify the current &lt;code&gt;Subject&lt;/code&gt;.</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * The returned PrincipalCollection should &lt;em&gt;not&lt;/em&gt; contain any credentials used to verify principals, such</em>
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * as passwords, private keys, etc. Those should be instead returned by {@link #getCredentials() getCredentials()}.</em>
<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * @return all principals associated with the corresponding Subject.</em>
<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <a href="../../../../org/apache/shiro/subject/PrincipalCollection.html">PrincipalCollection</a> getPrincipals();
<a class="jxr_linenumber" name="L71" href="#L71">71</a>
<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * Returns the credentials associated with the corresponding Subject. A credential verifies one or more of the</em>
<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * {@link #getPrincipals() principals} associated with the Subject, such as a password or private key. Credentials</em>
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * are used by Shiro particularly during the authentication process to ensure that submitted credentials</em>
<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * during a login attempt match exactly the credentials here in the &lt;code&gt;AuthenticationInfo&lt;/code&gt; instance.</em>
<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * @return the credentials associated with the corresponding Subject.</em>
<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> Object getCredentials();
<a class="jxr_linenumber" name="L81" href="#L81">81</a>
<a class="jxr_linenumber" name="L82" href="#L82">82</a> }
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