Package org.apache.accumulo.server.security.handler

Class KerberosPermissionHandler

java.lang.Object

org.apache.accumulo.server.security.handler.KerberosPermissionHandler

All Implemented Interfaces:

PermissionHandler

public class KerberosPermissionHandler
extends Object
implements PermissionHandler

Kerberos principals might contains identifiers that are not valid ZNodes ('/'). Base64-encodes the principals before interacting with ZooKeeper.

Constructor Summary

Constructors

Constructor	Description
KerberosPermissionHandler()

Method Summary

Modifier and Type	Method	Description
void	cleanNamespacePermissions(String namespace)	Cleans up the permissions for a namespace.
void	cleanTablePermissions(String table)	Cleans up the permissions for a table.
void	cleanUser(String user)	Deletes a user
void	grantNamespacePermission(String user, String namespace, NamespacePermission permission)	Gives the user the given namespace permission
void	grantSystemPermission(String user, SystemPermission permission)	Gives the user the given system permission
void	grantTablePermission(String user, String table, TablePermission permission)	Gives the user the given table permission
boolean	hasCachedNamespacePermission(String user, String namespace, NamespacePermission permission)	Used to get the namespace permission of a user for a namespace, with caching.
boolean	hasCachedSystemPermission(String user, SystemPermission permission)	Used to get the system permission for the user, with caching due to high frequency operation.
boolean	hasCachedTablePermission(String user, String table, TablePermission permission)	Used to get the table permission of a user for a table, with caching.
boolean	hasNamespacePermission(String user, String namespace, NamespacePermission permission)	Used to get the namespace permission of a user for a namespace
boolean	hasSystemPermission(String user, SystemPermission permission)	Used to get the system permission for the user
boolean	hasTablePermission(String user, String table, TablePermission permission)	Used to get the table permission of a user for a table
void	initialize(ServerContext context)	Sets up the permission handler for a new instance of Accumulo
void	initializeSecurity(TCredentials credentials, String rootuser)	Used to initialize security for the root user
void	initUser(String user)	Initializes a new user
void	revokeNamespacePermission(String user, String namespace, NamespacePermission permission)	Denies the user the given namespace permission.
void	revokeSystemPermission(String user, SystemPermission permission)	Denies the user the given system permission
void	revokeTablePermission(String user, String table, TablePermission permission)	Denies the user the given table permission.
boolean	validSecurityHandlers(Authenticator authent, Authorizor author)	Used to validate that the Authorizor, Authenticator, and permission handler can coexist

Methods inherited from class java.lang.Object

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

Constructor Detail

KerberosPermissionHandler

public KerberosPermissionHandler()

Method Detail

initialize

public void initialize(ServerContext context)

Description copied from interface: PermissionHandler

Sets up the permission handler for a new instance of Accumulo

Specified by:

initialize in interface PermissionHandler

validSecurityHandlers

public boolean validSecurityHandlers(Authenticator authent,
                                     Authorizor author)

Description copied from interface: PermissionHandler

Used to validate that the Authorizor, Authenticator, and permission handler can coexist

Specified by:

validSecurityHandlers in interface PermissionHandler

initializeSecurity

public void initializeSecurity(TCredentials credentials,
                               String rootuser)
                        throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Used to initialize security for the root user

Specified by:

initializeSecurity in interface PermissionHandler

Throws:

AccumuloSecurityException

hasSystemPermission

public boolean hasSystemPermission(String user,
                                   SystemPermission permission)

Description copied from interface: PermissionHandler

Used to get the system permission for the user

Specified by:

hasSystemPermission in interface PermissionHandler

hasCachedSystemPermission

public boolean hasCachedSystemPermission(String user,
                                         SystemPermission permission)

Description copied from interface: PermissionHandler

Used to get the system permission for the user, with caching due to high frequency operation. NOTE: At this time, this method is unused but is included just in case we need it in the future.

Specified by:

hasCachedSystemPermission in interface PermissionHandler

hasTablePermission

public boolean hasTablePermission(String user,
                                  String table,
                                  TablePermission permission)
                           throws TableNotFoundException

Description copied from interface: PermissionHandler

Used to get the table permission of a user for a table

Specified by:

hasTablePermission in interface PermissionHandler

Throws:

TableNotFoundException

hasCachedTablePermission

public boolean hasCachedTablePermission(String user,
                                        String table,
                                        TablePermission permission)

Description copied from interface: PermissionHandler

Used to get the table permission of a user for a table, with caching. This method is for high frequency operations

Specified by:

hasCachedTablePermission in interface PermissionHandler

hasNamespacePermission

public boolean hasNamespacePermission(String user,
                                      String namespace,
                                      NamespacePermission permission)
                               throws NamespaceNotFoundException

Description copied from interface: PermissionHandler

Used to get the namespace permission of a user for a namespace

Specified by:

hasNamespacePermission in interface PermissionHandler

Throws:

NamespaceNotFoundException

hasCachedNamespacePermission

public boolean hasCachedNamespacePermission(String user,
                                            String namespace,
                                            NamespacePermission permission)

Description copied from interface: PermissionHandler

Used to get the namespace permission of a user for a namespace, with caching. This method is for high frequency operations

Specified by:

hasCachedNamespacePermission in interface PermissionHandler

grantSystemPermission

public void grantSystemPermission(String user,
                                  SystemPermission permission)
                           throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Gives the user the given system permission

Specified by:

grantSystemPermission in interface PermissionHandler

Throws:

AccumuloSecurityException

revokeSystemPermission

public void revokeSystemPermission(String user,
                                   SystemPermission permission)
                            throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Denies the user the given system permission

Specified by:

revokeSystemPermission in interface PermissionHandler

Throws:

AccumuloSecurityException

grantTablePermission

public void grantTablePermission(String user,
                                 String table,
                                 TablePermission permission)
                          throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Gives the user the given table permission

Specified by:

grantTablePermission in interface PermissionHandler

Throws:

AccumuloSecurityException

revokeTablePermission

public void revokeTablePermission(String user,
                                  String table,
                                  TablePermission permission)
                           throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Denies the user the given table permission.

Specified by:

revokeTablePermission in interface PermissionHandler

Throws:

AccumuloSecurityException

grantNamespacePermission

public void grantNamespacePermission(String user,
                                     String namespace,
                                     NamespacePermission permission)
                              throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Gives the user the given namespace permission

Specified by:

grantNamespacePermission in interface PermissionHandler

Throws:

AccumuloSecurityException

revokeNamespacePermission

public void revokeNamespacePermission(String user,
                                      String namespace,
                                      NamespacePermission permission)
                               throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Denies the user the given namespace permission.

Specified by:

revokeNamespacePermission in interface PermissionHandler

Throws:

AccumuloSecurityException

cleanTablePermissions

public void cleanTablePermissions(String table)
                           throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Cleans up the permissions for a table. Used when a table gets deleted.

Specified by:

cleanTablePermissions in interface PermissionHandler

Throws:

AccumuloSecurityException

cleanNamespacePermissions

public void cleanNamespacePermissions(String namespace)
                               throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Cleans up the permissions for a namespace. Used when a namespace gets deleted.

Specified by:

cleanNamespacePermissions in interface PermissionHandler

Throws:

AccumuloSecurityException

initUser

public void initUser(String user)
              throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Initializes a new user

Specified by:

initUser in interface PermissionHandler

Throws:

AccumuloSecurityException

cleanUser

public void cleanUser(String user)
               throws AccumuloSecurityException

Description copied from interface: PermissionHandler

Deletes a user

Specified by:

cleanUser in interface PermissionHandler

Throws:

AccumuloSecurityException