com.microej.kf.util.security

Class KernelSecurityPolicyManager

java.lang.Object

java.lang.SecurityManager

com.microej.kf.util.security.KernelSecurityPolicyManager

All Implemented Interfaces:

FeatureStateListener

public class KernelSecurityPolicyManager
extends SecurityManager
implements FeatureStateListener

This class contains the security logic to apply when working with feature policy files.

Constructor Summary

Constructors

Constructor and Description
KernelSecurityPolicyManager(SecurityPolicyResourceLoader securityPolicyResourceLoader) Instantiates a new kernel security policy manager.

Method Summary

Modifier and Type	Method and Description
void	addToPermissionMap(Feature feature) This method allows to load the feature's permissions.
void	checkPermission(Permission perm) Throws a SecurityException if the requested access, specified by the given permission, is not permitted based on the security policy currently in effect.
void	stateChanged(Feature feature, Feature.State previousState) Called when the state of a Feature has changed.

Methods inherited from class java.lang.SecurityManager

checkAccess

Methods inherited from class java.lang.Object

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

Constructor Detail

KernelSecurityPolicyManager

public KernelSecurityPolicyManager(SecurityPolicyResourceLoader securityPolicyResourceLoader)

Instantiates a new kernel security policy manager.

Parameters:

securityPolicyResourceLoader - the security policy resource loader implementation.

Method Detail

addToPermissionMap

public void addToPermissionMap(Feature feature)

This method allows to load the feature's permissions. This method is already called by the KernelSecurityPolicyManager class when using standard LocalDeploy. This method only needs to be called when the Kernel uses XIP (Execution In Place) system to load features permissions before starting them. See the documentation for more informations.

Parameters:

feature - the feature to load permissions from.

checkPermission

public void checkPermission(Permission perm)

Description copied from class: SecurityManager

Throws a SecurityException if the requested access, specified by the given permission, is not permitted based on the security policy currently in effect.

Overrides:

checkPermission in class SecurityManager

Parameters:

perm - the requested permission.

stateChanged

public void stateChanged(Feature feature,
                         @Nullable
                         Feature.State previousState)

Description copied from interface: FeatureStateListener

Called when the state of a Feature has changed.

Specified by:

stateChanged in interface FeatureStateListener

Parameters:

feature - the Feature which state has changed

previousState - the previous state, null if Feature state is Feature.State.INSTALLED