eu.h2020.helios_social.core.security

Class HeliosAccessControlManager

java.lang.Object

eu.h2020.helios_social.core.security.HeliosAccessControlManager

public class HeliosAccessControlManager
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ALLOWED
static java.lang.String	DENIED
static java.lang.String	EGONETWORKATTRIBUTE
static java.lang.String	USERID

Constructor Summary

Constructors

Constructor and Description
HeliosAccessControlManager()

Method Summary

Modifier and Type	Method and Description
HeliosAccessControlRulesTable	getAccessRules(java.lang.String fileID) Gets the table of access control rules for a file The rules are of type {action,userID,"userID"} or {action,attribute,"egonetworkattribute"} and grant access for action to users with mentioned userID or attribute.
static HeliosAccessControlManager	getInstance() Get the singleton instance of this Manager.
void	init(java.lang.String ruleBaseDir) Init required for storing base dir.
void	loadAllRules() Load saved rules from a file and replace all current rules in accessControlRulesList.
boolean	requestAccess(java.lang.String fileID, java.lang.String action, java.lang.String userID) Check if the subject is allowed to perform the action with the object
void	saveAllRules() Save current rules to a file.
void	setAccessRules(java.lang.String fileID, HeliosAccessControlRulesTable rulesTable) Sets a access control rule table for a file.

Methods inherited from class java.lang.Object

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

Field Detail

ALLOWED

public static final java.lang.String ALLOWED

See Also:

Constant Field Values

DENIED

public static final java.lang.String DENIED

See Also:

Constant Field Values

USERID

public static final java.lang.String USERID

See Also:

Constant Field Values

EGONETWORKATTRIBUTE

public static final java.lang.String EGONETWORKATTRIBUTE

See Also:

Constant Field Values

Constructor Detail

HeliosAccessControlManager

public HeliosAccessControlManager()

Method Detail

getInstance

public static HeliosAccessControlManager getInstance()

Get the singleton instance of this Manager.

Returns:

HeliosAccessControlManager

init

public void init(java.lang.String ruleBaseDir)

Init required for storing base dir.

Parameters:

ruleBaseDir - Base directory to store the rule files.

requestAccess

public boolean requestAccess(java.lang.String fileID,
                             java.lang.String action,
                             java.lang.String userID)

Check if the subject is allowed to perform the action with the object

Parameters:

fileID - The ID of the object

action - The action the subject wants to perform with the object

userID - The ID of the subject

Returns:

true, if access is granted, false otherwise. If there is a rule to deny action for user return false ElseIf there is a rule to allow action for user return true ElseIF there is a rule to deny action for user's attribute return false ElseIF there is a rule to allow action for user's attribute return true Else return false

setAccessRules

public void setAccessRules(java.lang.String fileID,
                           HeliosAccessControlRulesTable rulesTable)

Sets a access control rule table for a file. The rules are of type {action,ruling,userID,USERID} or {action,ruling,attribute,EGONETWORKATTRIBUTE} and deny/grant access for action to users with mentioned userID or attribute.

Parameters:

fileID - The object of the access policy

rulesTable - the list of rules for the object

getAccessRules

public HeliosAccessControlRulesTable getAccessRules(java.lang.String fileID)

Gets the table of access control rules for a file The rules are of type {action,userID,"userID"} or {action,attribute,"egonetworkattribute"} and grant access for action to users with mentioned userID or attribute.

Parameters:

fileID - The object of the access policy

Returns:

The array of rules for the object

loadAllRules

public void loadAllRules()

Load saved rules from a file and replace all current rules in accessControlRulesList.

saveAllRules

public void saveAllRules()

Save current rules to a file.