import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
import java.util.List;
+import java.util.Map;
-import javax.transaction.RollbackException;
+import javax.naming.InvalidNameException;
+import javax.naming.directory.Attributes;
+import javax.naming.directory.BasicAttributes;
+import javax.naming.ldap.LdapName;
+import javax.naming.ldap.Rdn;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.osgi.framework.Filter;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.service.useradmin.Authorization;
import org.osgi.service.useradmin.Group;
import org.osgi.service.useradmin.Role;
import org.osgi.service.useradmin.User;
import org.osgi.service.useradmin.UserAdmin;
public abstract class AbstractUserDirectory implements UserAdmin {
+ private final static Log log = LogFactory
+ .getLog(AbstractUserDirectory.class);
private boolean isReadOnly;
private URI uri;
private List<String> credentialAttributeIds = Arrays
.asList(new String[] { "userpassword" });
- private TransactionSynchronizationRegistry syncRegistry;
- private Object editingTransactionKey = null;
+ // private TransactionSynchronizationRegistry syncRegistry;
+ // private Object editingTransactionKey = null;
+
private TransactionManager transactionManager;
- private Transaction editingTransaction;
+ private ThreadLocal<WorkingCopy> workingCopy = new ThreadLocal<AbstractUserDirectory.WorkingCopy>();
+ private Xid editingTransactionXid = null;
public AbstractUserDirectory() {
}
}
/** Returns the {@link Group}s this user is a direct member of. */
- protected abstract List<? extends Group> getDirectGroups(User user);
+ protected abstract List<? extends DirectoryGroup> getDirectGroups(User user);
+
+ protected abstract Boolean daoHasRole(LdapName dn);
+
+ protected abstract DirectoryUser daoGetRole(LdapName key);
+
+ protected abstract List<DirectoryUser> doGetRoles(Filter f);
+
+ protected abstract void doGetUser(String key, String value,
+ List<DirectoryUser> collectedUsers);
public void init() {
}
boolean isEditing() {
- if (editingTransactionKey == null)
- return false;
- Object currentTrKey = syncRegistry.getTransactionKey();
- if (currentTrKey == null)
+ if (editingTransactionXid == null)
return false;
- return editingTransactionKey.equals(currentTrKey);
+ return workingCopy.get() != null;
+ // Object currentTrKey = syncRegistry.getTransactionKey();
+ // if (currentTrKey == null)
+ // return false;
+ // return editingTransactionKey.equals(currentTrKey);
+ }
+
+ protected WorkingCopy getWorkingCopy() {
+ WorkingCopy wc = workingCopy.get();
+ if (wc == null)
+ return null;
+ if (wc.xid == null) {
+ workingCopy.set(null);
+ return null;
+ }
+ return wc;
}
void checkEdit() {
- Object currentTrKey = syncRegistry.getTransactionKey();
- if (currentTrKey == null)
+ Transaction transaction;
+ try {
+ transaction = transactionManager.getTransaction();
+ } catch (SystemException e) {
+ throw new UserDirectoryException("Cannot get transaction", e);
+ }
+ if (transaction == null)
throw new UserDirectoryException(
"A transaction needs to be active in order to edit");
- if (editingTransactionKey == null) {
- editingTransactionKey = currentTrKey;
- XAResource xaRes = getXAResource();
- if (xaRes != null)
- try {
- transactionManager.getTransaction().enlistResource(xaRes);
- } catch (Exception e) {
- throw new UserDirectoryException("Cannot enlist " + this, e);
- }
+ if (editingTransactionXid == null) {
+ WorkingCopy wc = new WorkingCopy();
+ try {
+ transaction.enlistResource(wc);
+ editingTransactionXid = wc.getXid();
+ workingCopy.set(wc);
+ } catch (Exception e) {
+ throw new UserDirectoryException("Cannot enlist " + wc, e);
+ }
} else {
- if (!editingTransactionKey.equals(currentTrKey))
+ if (workingCopy.get() == null)
throw new UserDirectoryException("Transaction "
- + editingTransactionKey + " already editing");
+ + editingTransactionXid + " already editing");
+ else if (!editingTransactionXid.equals(workingCopy.get().getXid()))
+ throw new UserDirectoryException("Working copy Xid "
+ + workingCopy.get().getXid() + " inconsistent with"
+ + editingTransactionXid);
}
}
// TODO gather anonymous roles
}
- public XAResource getXAResource() {
+ // USER ADMIN
+ @Override
+ public Role getRole(String name) {
+ LdapName key = toDn(name);
+ WorkingCopy wc = getWorkingCopy();
+ DirectoryUser user = daoGetRole(key);
+ if (wc != null) {
+ if (user == null && wc.getNewUsers().containsKey(key))
+ user = wc.getNewUsers().get(key);
+ else if (wc.getDeletedUsers().containsKey(key))
+ user = null;
+ }
+ return user;
+ }
+
+ @Override
+ public Role[] getRoles(String filter) throws InvalidSyntaxException {
+ WorkingCopy wc = getWorkingCopy();
+ Filter f = filter != null ? FrameworkUtil.createFilter(filter) : null;
+ List<DirectoryUser> res = doGetRoles(f);
+ if (wc != null) {
+ for (Iterator<DirectoryUser> it = res.iterator(); it.hasNext();) {
+ DirectoryUser user = it.next();
+ LdapName dn = user.getDn();
+ if (wc.getDeletedUsers().containsKey(dn))
+ it.remove();
+ }
+ for (DirectoryUser user : wc.getNewUsers().values()) {
+ if (f == null || f.match(user.getProperties()))
+ res.add(user);
+ }
+ // no need to check modified users,
+ // since doGetRoles was already based on the modified attributes
+ }
+ return res.toArray(new Role[res.size()]);
+ }
+
+ @Override
+ public User getUser(String key, String value) {
+ // TODO check value null or empty
+ List<DirectoryUser> collectedUsers = new ArrayList<DirectoryUser>(
+ getIndexedUserProperties().size());
+ if (key != null) {
+ doGetUser(key, value, collectedUsers);
+ } else {
+ // try dn
+ DirectoryUser user = null;
+ try {
+ user = (DirectoryUser) getRole(value);
+ if (user != null)
+ collectedUsers.add(user);
+ } catch (Exception e) {
+ // silent
+ }
+ // try all indexes
+ for (String attr : getIndexedUserProperties())
+ doGetUser(attr, value, collectedUsers);
+ }
+ if (collectedUsers.size() == 1)
+ return collectedUsers.get(0);
return null;
}
+ @Override
+ public Authorization getAuthorization(User user) {
+ return new LdifAuthorization((DirectoryUser) user,
+ getAllRoles((DirectoryUser) user));
+ }
+
+ @Override
+ public Role createRole(String name, int type) {
+ checkEdit();
+ WorkingCopy wc = getWorkingCopy();
+ LdapName dn = toDn(name);
+ if ((daoHasRole(dn) && !wc.getDeletedUsers().containsKey(dn))
+ || wc.getNewUsers().containsKey(dn))
+ throw new UserDirectoryException("Already a role " + name);
+ BasicAttributes attrs = new BasicAttributes();
+ attrs.put("dn", dn.toString());
+ Rdn nameRdn = dn.getRdn(dn.size() - 1);
+ // TODO deal with multiple attr RDN
+ attrs.put(nameRdn.getType(), nameRdn.getValue());
+ if (wc.getDeletedUsers().containsKey(dn)) {
+ wc.getDeletedUsers().remove(dn);
+ wc.getModifiedUsers().put(dn, attrs);
+ } else {
+ wc.getModifiedUsers().put(dn, attrs);
+ DirectoryUser newRole = newRole(dn, type, attrs);
+ wc.getNewUsers().put(dn, newRole);
+ }
+ return getRole(name);
+ }
+
+ protected DirectoryUser newRole(LdapName dn, int type, Attributes attrs) {
+ LdifUser newRole;
+ if (type == Role.USER) {
+ newRole = new LdifUser(this, dn, attrs);
+ // users.put(dn, newRole);
+ } else if (type == Role.GROUP) {
+ newRole = new LdifGroup(this, dn, attrs);
+ // groups.put(dn, (LdifGroup) newRole);
+ } else
+ throw new UserDirectoryException("Unsupported type " + type);
+ return newRole;
+ }
+
+ @Override
+ public boolean removeRole(String name) {
+ checkEdit();
+ WorkingCopy wc = getWorkingCopy();
+ LdapName dn = toDn(name);
+ if (!daoHasRole(dn) && !wc.getNewUsers().containsKey(dn))
+ return false;
+ DirectoryUser user = (DirectoryUser) getRole(name);
+ wc.getDeletedUsers().put(dn, user);
+ // FIXME clarify directgroups
+ for (DirectoryGroup group : getDirectGroups(user)) {
+ group.getAttributes().get(getMemberAttributeId())
+ .remove(dn.toString());
+ }
+ return true;
+ }
+
+ // TRANSACTION
+ protected void prepare(WorkingCopy wc) {
+
+ }
+
+ protected void commit(WorkingCopy wc) {
+
+ }
+
+ protected void rollback(WorkingCopy wc) {
+
+ }
+
+ // UTILITIES
+ protected LdapName toDn(String name) {
+ try {
+ return new LdapName(name);
+ } catch (InvalidNameException e) {
+ throw new UserDirectoryException("Badly formatted name", e);
+ }
+ }
+
+ // GETTERS
+
String getMemberAttributeId() {
return memberAttributeId;
}
}
public void setSyncRegistry(TransactionSynchronizationRegistry syncRegistry) {
- this.syncRegistry = syncRegistry;
+ // this.syncRegistry = syncRegistry;
}
public void setTransactionManager(TransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
+ //
+ // XA RESOURCE
+ //
+ protected class WorkingCopy implements XAResource {
+ private Xid xid;
+ private int transactionTimeout = 0;
+
+ private Map<LdapName, DirectoryUser> newUsers = new HashMap<LdapName, DirectoryUser>();
+ private Map<LdapName, Attributes> modifiedUsers = new HashMap<LdapName, Attributes>();
+ private Map<LdapName, DirectoryUser> deletedUsers = new HashMap<LdapName, DirectoryUser>();
+
+ @Override
+ public void start(Xid xid, int flags) throws XAException {
+ if (editingTransactionXid != null)
+ throw new UserDirectoryException("Transaction "
+ + editingTransactionXid + " already editing");
+ this.xid = xid;
+ }
+
+ @Override
+ public void end(Xid xid, int flags) throws XAException {
+ checkXid(xid);
+
+ // clean collections
+ newUsers.clear();
+ newUsers = null;
+ modifiedUsers.clear();
+ modifiedUsers = null;
+ deletedUsers.clear();
+ deletedUsers = null;
+
+ // clean IDs
+ this.xid = null;
+ editingTransactionXid = null;
+ }
+
+ @Override
+ public int prepare(Xid xid) throws XAException {
+ checkXid(xid);
+ if (noModifications())
+ return XA_RDONLY;
+ try {
+ AbstractUserDirectory.this.prepare(this);
+ } catch (Exception e) {
+ log.error("Cannot prepare " + xid, e);
+ throw new XAException(XAException.XA_RBOTHER);
+ }
+ return XA_OK;
+ }
+
+ @Override
+ public void commit(Xid xid, boolean onePhase) throws XAException {
+ checkXid(xid);
+ if (noModifications())
+ return;
+ try {
+ if (onePhase)
+ AbstractUserDirectory.this.prepare(this);
+ AbstractUserDirectory.this.commit(this);
+ } catch (Exception e) {
+ log.error("Cannot commit " + xid, e);
+ throw new XAException(XAException.XA_RBOTHER);
+ }
+ }
+
+ @Override
+ public void rollback(Xid xid) throws XAException {
+ checkXid(xid);
+ try {
+ AbstractUserDirectory.this.rollback(this);
+ } catch (Exception e) {
+ log.error("Cannot rollback " + xid, e);
+ throw new XAException(XAException.XA_HEURMIX);
+ }
+ }
+
+ @Override
+ public void forget(Xid xid) throws XAException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean isSameRM(XAResource xares) throws XAException {
+ return xares == this;
+ }
+
+ @Override
+ public Xid[] recover(int flag) throws XAException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int getTransactionTimeout() throws XAException {
+ return transactionTimeout;
+ }
+
+ @Override
+ public boolean setTransactionTimeout(int seconds) throws XAException {
+ transactionTimeout = seconds;
+ return true;
+ }
+
+ private Xid getXid() {
+ return xid;
+ }
+
+ private void checkXid(Xid xid) throws XAException {
+ if (this.xid == null)
+ throw new XAException(XAException.XAER_OUTSIDE);
+ if (!this.xid.equals(xid))
+ throw new XAException(XAException.XAER_NOTA);
+ }
+
+ @Override
+ protected void finalize() throws Throwable {
+ if (editingTransactionXid != null)
+ log.warn("Editing transaction still referenced but no working copy "
+ + editingTransactionXid);
+ editingTransactionXid = null;
+ }
+
+ public boolean noModifications() {
+ return newUsers.size() == 0 && modifiedUsers.size() == 0
+ && deletedUsers.size() == 0;
+ }
+
+ public Attributes getAttributes(LdapName dn) {
+ if (modifiedUsers.containsKey(dn))
+ return modifiedUsers.get(dn);
+ return null;
+ }
+
+ public void startEditing(DirectoryUser user) {
+ LdapName dn = user.getDn();
+ if (modifiedUsers.containsKey(dn))
+ throw new UserDirectoryException("Already editing " + dn);
+ modifiedUsers.put(dn, (Attributes) user.getAttributes().clone());
+ }
+
+ public Map<LdapName, DirectoryUser> getNewUsers() {
+ return newUsers;
+ }
+
+ public Map<LdapName, DirectoryUser> getDeletedUsers() {
+ return deletedUsers;
+ }
+
+ public Map<LdapName, Attributes> getModifiedUsers() {
+ return modifiedUsers;
+ }
+
+ }
}
projects / lgpl / argeo-commons.git / blobdiff