Package org.apache.storm.security.auth.digest

Class JassPasswordProvider

java.lang.Object

org.apache.storm.security.auth.digest.JassPasswordProvider

All Implemented Interfaces:

PasswordProvider

public class JassPasswordProvider
extends Object
implements PasswordProvider

Provides passwords out of a jaas conf for typical MD5-DIGEST authentication support.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SYSPROP_SUPER_PASSWORD	The system property that sets a super user password.

Constructor Summary

Constructors

Constructor	Description
JassPasswordProvider(Map<String,Object> topoConf)	Constructor.

Method Summary

Modifier and Type	Method	Description
Optional<char[]>	getPasswordFor(String user)	Get an optional password for a user.
boolean	isImpersonationAllowed()	Should impersonation be allowed by this password provider.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.storm.security.auth.sasl.PasswordProvider

userName

Field Details

SYSPROP_SUPER_PASSWORD

public static final String SYSPROP_SUPER_PASSWORD

The system property that sets a super user password. This can be used in addition to the jaas conf, and takes precedent over a "super" user in the jaas conf if this is set.

See Also:

• Constant Field Values

Constructor Details

JassPasswordProvider

public JassPasswordProvider(Map<String,Object> topoConf)
                     throws IOException

Constructor.

Parameters:

topoConf - the configuration containing the jaas conf to use.

Throws:

IOException - if we could not read the Server section in the jaas conf.

Method Details

getPasswordFor

public Optional<char[]> getPasswordFor(String user)

Description copied from interface: PasswordProvider

Get an optional password for a user. If no password for the user is found the option will be empty and another PasswordProvider would be tried.

Specified by:

getPasswordFor in interface PasswordProvider

Parameters:

user - the user this is for.

Returns:

the password if it is found.

isImpersonationAllowed

public boolean isImpersonationAllowed()

Description copied from interface: PasswordProvider

Should impersonation be allowed by this password provider. The default is false.

Specified by:

isImpersonationAllowed in interface PasswordProvider

Returns:

true if it should else false.