org.apache.catalina.realm
Class DataSourceRealm

java.lang.Object
  org.apache.catalina.util.LifecycleBase
      org.apache.catalina.util.LifecycleMBeanBase
          org.apache.catalina.realm.RealmBase
              org.apache.catalina.realm.DataSourceRealm

All Implemented Interfaces:

MBeanRegistration, Lifecycle, Realm

public class DataSourceRealm
extends RealmBase

Implementation of Realm that works with any JDBC JNDI DataSource. See the JDBCRealm.howto for more details on how to set up the database and for configuration options.

Version:

$Revision: 1348499 $

Author:

Glenn L. Nielsen, Craig R. McClanahan, Carson McDonald, Ignacio Ortega

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.catalina.realm.RealmBase

RealmBase.AllRolesMode

Field Summary

protected String	dataSourceName The name of the JNDI JDBC DataSource
protected static String	info Descriptive information about this Realm implementation.
protected boolean	localDataSource Context local datasource.
protected static String	name Descriptive information about this Realm implementation.
protected String	roleNameCol The column in the user role table that names a role
protected String	userCredCol The column in the user table that holds the user's credentials
protected String	userNameCol The column in the user table that holds the user's name
protected String	userRoleTable The table that holds the relation between user's and roles
protected String	userTable The table that holds user data.

Fields inherited from class org.apache.catalina.realm.RealmBase

allRolesMode, container, containerLog, digest, digestEncoding, md, md5Encoder, md5Helper, realmPath, sm, stripRealmForGss, support, validate, x509UsernameRetriever, x509UsernameRetrieverClassName

Fields inherited from class org.apache.catalina.util.LifecycleMBeanBase

mserver

Fields inherited from interface org.apache.catalina.Lifecycle

AFTER_DESTROY_EVENT, AFTER_INIT_EVENT, AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_DESTROY_EVENT, BEFORE_INIT_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, CONFIGURE_START_EVENT, CONFIGURE_STOP_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

DataSourceRealm()

Method Summary

protected Principal	authenticate(Connection dbConnection, String username, String credentials) Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.
Principal	authenticate(String username, String credentials) Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.
protected void	close(Connection dbConnection) Close the specified database connection.
String	getDataSourceName() Return the name of the JNDI JDBC DataSource.
String	getInfo() Return descriptive information about this Realm implementation and the corresponding version number, in the format <description>/<version>.
boolean	getLocalDataSource() Return if the datasource will be looked up in the webapp JNDI Context.
protected String	getName() Return a short name for this Realm implementation.
protected String	getPassword(Connection dbConnection, String username) Return the password associated with the given principal's user name.
protected String	getPassword(String username) Return the password associated with the given principal's user name.
protected Principal	getPrincipal(String username) Return the Principal associated with the given user name.
String	getRoleNameCol() Return the column in the user role table that names a role.
protected ArrayList<String>	getRoles(Connection dbConnection, String username) Return the roles associated with the given user name
protected ArrayList<String>	getRoles(String username) Return the roles associated with the given user name.
String	getUserCredCol() Return the column in the user table that holds the user's credentials.
String	getUserNameCol() Return the column in the user table that holds the user's name.
String	getUserRoleTable() Return the table that holds the relation between user's and roles.
String	getUserTable() Return the table that holds user data..
protected Connection	open() Open the specified database connection.
void	setDataSourceName(String dataSourceName) Set the name of the JNDI JDBC DataSource.
void	setLocalDataSource(boolean localDataSource) Set to true to cause the datasource to be looked up in the webapp JNDI Context.
void	setRoleNameCol(String roleNameCol) Set the column in the user role table that names a role.
void	setUserCredCol(String userCredCol) Set the column in the user table that holds the user's credentials.
void	setUserNameCol(String userNameCol) Set the column in the user table that holds the user's name.
void	setUserRoleTable(String userRoleTable) Set the table that holds the relation between user's and roles.
void	setUserTable(String userTable) Set the table that holds user data.
protected void	startInternal() Prepare for the beginning of active use of the public methods of this component and implement the requirements of LifecycleBase.startInternal().

Methods inherited from class org.apache.catalina.realm.RealmBase

addPropertyChangeListener, authenticate, authenticate, authenticate, backgroundProcess, digest, Digest, findSecurityConstraints, getAllRolesMode, getContainer, getDigest, getDigest, getDigestCharset, getDigestEncoding, getDomainInternal, getObjectNameKeyProperties, getPrincipal, getPrincipal, getRealmPath, getRealmSuffix, getServer, getValidate, getX509UsernameRetrieverClassName, hasMessageDigest, hasResourcePermission, hasRole, hasUserDataPermission, initInternal, isStripRealmForGss, main, removePropertyChangeListener, setAllRolesMode, setContainer, setDigest, setDigestEncoding, setRealmPath, setStripRealmForGss, setValidate, setX509UsernameRetrieverClassName, stopInternal, toString

Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase

destroyInternal, getDomain, getObjectName, postDeregister, postRegister, preDeregister, preRegister, register, setDomain, unregister

Methods inherited from class org.apache.catalina.util.LifecycleBase

addLifecycleListener, destroy, findLifecycleListeners, fireLifecycleEvent, getState, getStateName, init, removeLifecycleListener, setState, setState, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

dataSourceName

protected String dataSourceName

The name of the JNDI JDBC DataSource

info

protected static final String info

Descriptive information about this Realm implementation.

See Also:

Constant Field Values

localDataSource

protected boolean localDataSource

Context local datasource.

name

protected static final String name

Descriptive information about this Realm implementation.

See Also:

Constant Field Values

roleNameCol

protected String roleNameCol

The column in the user role table that names a role

userCredCol

protected String userCredCol

The column in the user table that holds the user's credentials

userNameCol

protected String userNameCol

The column in the user table that holds the user's name

userRoleTable

protected String userRoleTable

The table that holds the relation between user's and roles

userTable

protected String userTable

The table that holds user data.

Constructor Detail

DataSourceRealm

public DataSourceRealm()

Method Detail

getDataSourceName

public String getDataSourceName()

Return the name of the JNDI JDBC DataSource.

setDataSourceName

public void setDataSourceName(String dataSourceName)

Set the name of the JNDI JDBC DataSource.

Parameters:

dataSourceName - the name of the JNDI JDBC DataSource

getLocalDataSource

public boolean getLocalDataSource()

Return if the datasource will be looked up in the webapp JNDI Context.

setLocalDataSource

public void setLocalDataSource(boolean localDataSource)

Set to true to cause the datasource to be looked up in the webapp JNDI Context.

Parameters:

localDataSource - the new flag value

getRoleNameCol

public String getRoleNameCol()

Return the column in the user role table that names a role.

setRoleNameCol

public void setRoleNameCol(String roleNameCol)

Set the column in the user role table that names a role.

Parameters:

roleNameCol - The column name

getUserCredCol

public String getUserCredCol()

Return the column in the user table that holds the user's credentials.

setUserCredCol

public void setUserCredCol(String userCredCol)

Set the column in the user table that holds the user's credentials.

Parameters:

userCredCol - The column name

getUserNameCol

public String getUserNameCol()

Return the column in the user table that holds the user's name.

setUserNameCol

public void setUserNameCol(String userNameCol)

Set the column in the user table that holds the user's name.

Parameters:

userNameCol - The column name

getUserRoleTable

public String getUserRoleTable()

Return the table that holds the relation between user's and roles.

setUserRoleTable

public void setUserRoleTable(String userRoleTable)

Set the table that holds the relation between user's and roles.

Parameters:

userRoleTable - The table name

getUserTable

public String getUserTable()

Return the table that holds user data..

setUserTable

public void setUserTable(String userTable)

Set the table that holds user data.

Parameters:

userTable - The table name

getInfo

public String getInfo()

Return descriptive information about this Realm implementation and the corresponding version number, in the format <description>/<version>.

Specified by:

getInfo in interface Realm

Overrides:

getInfo in class RealmBase

authenticate

public Principal authenticate(String username,
                              String credentials)

Return the Principal associated with the specified username and credentials, if there is one; otherwise return null. If there are any errors with the JDBC connection, executing the query or anything we return null (don't authenticate). This event is also logged, and the connection will be closed so that a subsequent request will automatically re-open it.

Specified by:

authenticate in interface Realm

Overrides:

authenticate in class RealmBase

Parameters:

username - Username of the Principal to look up

credentials - Password or other credentials to use in authenticating this username

authenticate

protected Principal authenticate(Connection dbConnection,
                                 String username,
                                 String credentials)

Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.

Parameters:

dbConnection - The database connection to be used

username - Username of the Principal to look up

credentials - Password or other credentials to use in authenticating this username

close

protected void close(Connection dbConnection)

Close the specified database connection.

Parameters:

dbConnection - The connection to be closed

open

protected Connection open()

Open the specified database connection.

Returns:

Connection to the database

getName

protected String getName()

Return a short name for this Realm implementation.

Specified by:

getName in class RealmBase

getPassword

protected String getPassword(String username)

Return the password associated with the given principal's user name.

Specified by:

getPassword in class RealmBase

getPassword

protected String getPassword(Connection dbConnection,
                             String username)

Return the password associated with the given principal's user name.

Parameters:

dbConnection - The database connection to be used

username - Username for which password should be retrieved

getPrincipal

protected Principal getPrincipal(String username)

Return the Principal associated with the given user name.

Specified by:

getPrincipal in class RealmBase

getRoles

protected ArrayList<String> getRoles(String username)

Return the roles associated with the given user name.

Parameters:

username - Username for which roles should be retrieved

getRoles

protected ArrayList<String> getRoles(Connection dbConnection,
                                     String username)

Return the roles associated with the given user name

Parameters:

dbConnection - The database connection to be used

username - Username for which roles should be retrieved

startInternal

protected void startInternal()
                      throws LifecycleException

Prepare for the beginning of active use of the public methods of this component and implement the requirements of LifecycleBase.startInternal().

Overrides:

startInternal in class RealmBase

Throws:

LifecycleException - if this component detects a fatal error that prevents this component from being used