Authenticator

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The <authenticator> tag configures Resin's built-in authentication for the Servlet login, i.e. to support getUserPrincipal and isUserInRole.

Contents

tags

tag description
jndi-name JNDI name to store the authenticator
type Java class implementing the authenticator
init Bean-style/Inversion of Control configuration for the authenticator

XmlAuthenticator

40px-Edit-clear.png This article requires cleanup and may refer to a legacy version of Resin.

Please visit http://www.caucho.com/documentation/ for the most up-to-date documentation.

The XmlAuthenticator is a simple authentication scheme where an XML file or a configuration file specifies the users directly. XmlAuthenticator is useful when you have a small number of known users.

<init> directives

directive description
logout-on-session-timeout If true, principals should be logged out when a session times out true
password-digest Password digest type of form: MD5-base64 MD5-base64
password-digest-algorithm Sets the password digest algorithm MD5
password-digest-realm Sets the realm to use for the digest resin
path Path to an XML file containing the configuration
principal-cache-size Size of the principal cache 4096
user Inline user configuration in the form "name:password:roles"

Example

resin-web.xml

<web-app xmlns="http://caucho.com/ns/resin">
  <authenticator>
    <type>com.caucho.server.security.XmlAuthenticator</type>
    <init>
      <password-digest>none</password-digest>
      <user>Harry Potter:quidditch:user</user>
    </init>
  </authenticator>
  ...
</web-app>

JdbcAuthenticator

40px-Edit-clear.png This article requires cleanup and may refer to a legacy version of Resin.

Please visit http://www.caucho.com/documentation/ for the most up-to-date documentation.

The JdbcAuthenticator uses a database to store user authentication.

<init> directives

directive description
cookie-auth-query Sets a query for cookie-based authentication
cookie-auth-update Sets the update SQL for cookie-based authentication
cookie-domain Sets the domain value for cookie-based authentication
cookie-logout If true remove cookie on logout
cookie-max-age Sets the max-age value for cookie-based authentication
cookie-version Sets the cookie version for cookie-based authentication
data-source Specifies the configured <database> required
logout-on-session-timeout If true, principals should be logged out when a session times out true
password-digest Password digest type of form: MD5-base64 MD5-base64
password-digest-algorithm Sets the password digest algorithm MD5
password-digest-realm Sets the realm to use for the digest resin
password-query Sets a custom password query
principal-cache-size Size of the principal cache 4096
role-query Specifies the query to test for a role
use-cookie If true, use the resinauth cookie

Example

resin-web.xml

<web-app xmlns="http://caucho.com/ns/resin">
  <database jndi-name="java:comp/env/jdbc/test">
    <driver type="org.postgresql.Driver">
      <url>jdbc:postgresql://localhost/test</url>
      <user>harry</user>
    </driver>
  </database>

  <authenticator>
    <type>com.caucho.server.security.JdbcAuthenticator</type>
    <init>
      <data-source>java:comp/env/jdbc/test</data-source>
    </init>
  </authenticator>
  ...
</web-app>


Here is how this needs to be configured for FORM authentication:

     <authenticator type='com.caucho.server.security.JdbcAuthenticator'>
       <init>
         <data-source>jdbc/MyDataSource</data-source>
         ...
         <password-digest>
            <realm>resin</realm>
            <algorithm>md5</algorithm>
            <format>base64</format>
         </password-digest>
       </init>
     </authenticator>
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