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 <h1>Authenticators</h1>
 <div id="front-matter">
 <div id="minitoc-area">
 <ul class="minitoc">
 <li>
 <a href="#Introduction">Introduction</a>
 </li>
 <li>
 <a href="#Declaring+the+Roles+in+lenya.roles">Declaring the Roles in lenya.roles</a>
 </li>
 <li>
 <a href="#The+user+authenticator">The user authenticator</a>
 </li>
 <li>
 <a href="#The+anonymous+authenticator">The anonymous authenticator</a>
 </li>
 </ul>
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 <a name="N1000E"></a><a name="Introduction"></a>
 <h2 class="h3">Introduction</h2>
 <div class="section">
 <p>
 	An authenticator is used to identify a client.
 	It is supposed to setup the <em>Identity</em> object which is attached
 	to the session.
 	</p>
 </div>


 <a name="N1001B"></a><a name="Declaring+the+Roles+in+lenya.roles"></a>
 <h2 class="h3">Declaring the Roles in lenya.roles</h2>
 <div class="section">
 <pre class="code">&lt;role name="org.apache.lenya.ac.Authenticator"
     shorthand="authenticator"
     default-class="org.apache.lenya.ac.impl.UserAuthenticator"/&gt;</pre>
 </div>


 <a name="N10026"></a><a name="The+user+authenticator"></a>
 <h2 class="h3">The user authenticator</h2>
 <div class="section">
 <p>The <em>UserAuthenticator</em> uses the request parameters</p>
 <ul>

 <li>
 <span class="codefrag">username</span> and</li>

 <li>
 <span class="codefrag">password</span>
 </li>

 </ul>
 <p>to authenticate or reject a user. It is configured in <span class="codefrag">cocoon.xconf</span>
 		as follows:</p>
 <pre class="code">&lt;component logger="lenya.ac.authenticator"
     class="org.apache.lenya.ac.impl.UserAuthenticator"
     role="org.apache.lenya.ac.Authenticator"/&gt;</pre>
 <p>
       When a valid username/password combination is entered, the previous
       user is removed from the session <em>Identity</em> object
       and the current user is added.
     </p>
 </div>


 <a name="N1004F"></a><a name="The+anonymous+authenticator"></a>
 <h2 class="h3">The anonymous authenticator</h2>
 <div class="section">
 <p>The <em>AnonymousAuthenticator</em> authenticates the request against the credentials of the user called 'anonymous'
      (which you have to create, and assign the desired permissions). This is useful in conjunction with client certificates.  It is configured in <span class="codefrag">cocoon.xconf</span>
 		as follows (commented out by default):</p>
 <pre class="code">&lt;component logger="lenya.ac.authenticator"
     class="org.apache.lenya.ac.impl.AnonymousAuthenticator"
     role="org.apache.lenya.ac.Authenticator"/&gt;</pre>
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