org.apache.hadoop.fs.azurebfs.utils

Class TextFileBasedIdentityHandler

java.lang.Object

org.apache.hadoop.fs.azurebfs.utils.TextFileBasedIdentityHandler

All Implemented Interfaces:

IdentityHandler

public class TextFileBasedIdentityHandler
extends Object
implements IdentityHandler

TextFileBasedIdentityHandler is a IdentityHandler implements translation operation which returns identity mapped to AAD identity by loading the mapping file from the configured location. Location of the mapping file should be configured in core-site.xml.

User identity file should be delimited by colon in below format.

 # OBJ_ID:USER_NAME:USER_ID:GROUP_ID:SPI_NAME:APP_ID
 

Example:

 a2b27aec-77bd-46dd-8c8c-39611a333331:user1:11000:21000:spi-user1:abcf86e9-5a5b-49e2-a253-f5c9e2afd4ec
 

Group identity file should be delimited by colon in below format.

 # OBJ_ID:GROUP_NAME:GROUP_ID:SGP_NAME
 

Example:

 1d23024d-957c-4456-aac1-a57f9e2de914:group1:21000:sgp-group1
 

Constructor Summary

Constructors

Constructor and Description
TextFileBasedIdentityHandler(String userMappingFilePath, String groupMappingFilePath)

Method Summary

Modifier and Type	Method and Description
String	lookupForLocalGroupIdentity(String originalIdentity) Perform lookup from Security Group's Object ID to Local Security Group name.
String	lookupForLocalUserIdentity(String originalIdentity) Perform lookup from Service Principal's Object ID to Local Username.

Methods inherited from class java.lang.Object

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

Constructor Detail

TextFileBasedIdentityHandler

public TextFileBasedIdentityHandler(String userMappingFilePath,
                                    String groupMappingFilePath)

Method Detail

lookupForLocalUserIdentity

public String lookupForLocalUserIdentity(String originalIdentity)
                                  throws IOException

Perform lookup from Service Principal's Object ID to Local Username.

Specified by:

lookupForLocalUserIdentity in interface IdentityHandler

Parameters:

originalIdentity - AAD object ID.

Returns:

Local User name, if no name found or on exception, returns empty string.

Throws:

IOException

lookupForLocalGroupIdentity

public String lookupForLocalGroupIdentity(String originalIdentity)
                                   throws IOException

Perform lookup from Security Group's Object ID to Local Security Group name.

Specified by:

lookupForLocalGroupIdentity in interface IdentityHandler

Parameters:

originalIdentity - AAD object ID.

Returns:

Local Security group name, if no name found or on exception, returns empty string.

Throws:

IOException