de.deepamehta.core.impl
Class AccessControlImpl

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java.lang.Object
  de.deepamehta.core.impl.AccessControlImpl

All Implemented Interfaces:

AccessControl

 class AccessControlImpl
extends Object
implements AccessControl

Field Summary

private EmbeddedService	dms
private Logger	logger
private static String	PROP_OWNER
private static String	PROP_WORKSPACE_ID
private static String	SYSTEM_WORKSPACE_URI
private long	systemWorkspaceId
private static String	TYPE_MEMBERSHIP
private static String	TYPE_USERNAME

Constructor Summary

AccessControlImpl(EmbeddedService dms)

Method Summary

private boolean	_hasPermission(String username, Operation operation, long workspaceId)
void	assignToWorkspace(DeepaMehtaObject object, long workspaceId)
boolean	checkCredentials(Credentials cred)
private long	getAssignedWorkspaceId(long objectId)
private String	getOwner(long workspaceId)
private String	getPassword(TopicModel userAccount)
private SharingMode	getSharingMode(long workspaceId)
(package private) long	getSystemWorkspaceId()
private String	getTypeUri(long objectId)
private TopicModel	getUserAccount(TopicModel usernameTopic) Prerequisite: usernameTopic is not null.
private TopicModel	getUsernameTopic(String username)
private TopicModel	getUsernameTopicOrThrow(String username)
boolean	hasPermission(String username, Operation operation, long objectId) Checks if a user is permitted to perform an operation on an object (topic or association).
private boolean	hasReadPermission(String username, long workspaceId)
private boolean	hasWritePermission(String username, long workspaceId)
boolean	isMember(String username, long workspaceId) Checks if a user is a member of a given workspace.
private boolean	isOwner(String username, long workspaceId) Checks if a user is the owner of a workspace.
private boolean	matches(TopicModel usernameTopic, String password) Prerequisite: usernameTopic is not null.
private String	userInfo(String username)

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_MEMBERSHIP

private static final String TYPE_MEMBERSHIP

See Also:

Constant Field Values

TYPE_USERNAME

private static final String TYPE_USERNAME

See Also:

Constant Field Values

PROP_OWNER

private static final String PROP_OWNER

See Also:

Constant Field Values

PROP_WORKSPACE_ID

private static final String PROP_WORKSPACE_ID

See Also:

Constant Field Values

SYSTEM_WORKSPACE_URI

private static final String SYSTEM_WORKSPACE_URI

See Also:

Constant Field Values

systemWorkspaceId

private long systemWorkspaceId

dms

private EmbeddedService dms

logger

private Logger logger

Constructor Detail

AccessControlImpl

AccessControlImpl(EmbeddedService dms)

Method Detail

checkCredentials

public boolean checkCredentials(Credentials cred)

Specified by:

checkCredentials in interface AccessControl

hasPermission

public boolean hasPermission(String username,
                             Operation operation,
                             long objectId)

Description copied from interface: AccessControl

Checks if a user is permitted to perform an operation on an object (topic or association).

Specified by:

hasPermission in interface AccessControl

Parameters:

username - the logged in user, or null if no user is logged in.

objectId - a topic ID, or an association ID.

Returns:

true if permission is granted, false otherwise.

isMember

public boolean isMember(String username,
                        long workspaceId)

Description copied from interface: AccessControl

Checks if a user is a member of a given workspace.

Specified by:

isMember in interface AccessControl

Parameters:

username - the logged in user, or null if no user is logged in.

assignToWorkspace

public void assignToWorkspace(DeepaMehtaObject object,
                              long workspaceId)

Specified by:

assignToWorkspace in interface AccessControl

matches

private boolean matches(TopicModel usernameTopic,
                        String password)

Prerequisite: usernameTopic is not null.

Parameters:

password - The encoded password.

getUserAccount

private TopicModel getUserAccount(TopicModel usernameTopic)

Prerequisite: usernameTopic is not null.

getPassword

private String getPassword(TopicModel userAccount)

Returns:

The encoded password of the specified User Account.

_hasPermission

private boolean _hasPermission(String username,
                               Operation operation,
                               long workspaceId)

hasReadPermission

private boolean hasReadPermission(String username,
                                  long workspaceId)

Parameters:

username - the logged in user, or null if no user is logged in.

workspaceId - the ID of the workspace that is relevant for the permission check. Is never -1.

hasWritePermission

private boolean hasWritePermission(String username,
                                   long workspaceId)

Parameters:

username - the logged in user, or null if no user is logged in.

workspaceId - the ID of the workspace that is relevant for the permission check. Is never -1.

getAssignedWorkspaceId

private long getAssignedWorkspaceId(long objectId)

isOwner

private boolean isOwner(String username,
                        long workspaceId)

Checks if a user is the owner of a workspace.

Parameters:

username - the logged in user, or null if no user is logged in.

Returns:

true if the user is the owner, false otherwise.

getSharingMode

private SharingMode getSharingMode(long workspaceId)

getOwner

private String getOwner(long workspaceId)

getTypeUri

private String getTypeUri(long objectId)

getUsernameTopic

private TopicModel getUsernameTopic(String username)

getUsernameTopicOrThrow

private TopicModel getUsernameTopicOrThrow(String username)

getSystemWorkspaceId

long getSystemWorkspaceId()

userInfo

private String userInfo(String username)