001    //$HeadURL: http://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/security/drm/model/User.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    package org.deegree.security.drm.model;
037    
038    import java.util.HashSet;
039    
040    import org.deegree.framework.log.ILogger;
041    import org.deegree.framework.log.LoggerFactory;
042    import org.deegree.model.feature.Feature;
043    import org.deegree.security.GeneralSecurityException;
044    import org.deegree.security.drm.SecurityAccess;
045    import org.deegree.security.drm.SecurityRegistry;
046    import org.deegree.security.drm.WrongCredentialsException;
047    
048    /**
049     * Implementation of user-objects. <code>User</code> s can be members of <code>Groups</code> and
050     * can be associated with <code>Role</code>s.
051     * <p>
052     * A user is always in one of two states:
053     *
054     * <ul>
055     * <li>
056     * Not authenticated: <code>SecurityManager</code> will not issue <code>SecurityAccess</code>
057     * instances for this user
058     * </li>
059     * <li>
060     * Authenticated: achieved by calling <code>authenticate()</code> and submitting the correct
061     * password, afterwards <code>SecurityAccess</code> instances for the user can be issued
062     * </li>
063     * </ul>
064     *
065     * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider</a>
066     * @author last edited by: $Author: mays$
067     *
068     * @version $Revision: 29103 $, $Date: 21.08.2007 16:51:15$
069     */
070    public class User extends SecurableObject {
071    
072        private ILogger LOG = LoggerFactory.getLogger( User.class );
073    
074        /**
075         *
076         */
077        public final static int ID_SEC_ADMIN = 1;
078    
079        private String password;
080    
081        private String firstName;
082    
083        private String lastName;
084    
085        private String emailAddress;
086    
087        private boolean isAuthenticated = false;
088    
089        /**
090         * Creates a new <code>User</code> -instance.
091         *
092         * @param id
093         * @param name
094         * @param password
095         *            null means that password checking is disabled
096         * @param firstName
097         * @param lastName
098         * @param emailAddress
099         * @param registry
100         */
101        public User( int id, String name, String password, String firstName, String lastName, String emailAddress,
102                     SecurityRegistry registry ) {
103            this.id = id;
104            this.name = name;
105            this.password = password;
106            if ( password == null ) {
107                isAuthenticated = true;
108            }
109            if ( lastName == null || firstName == null ) {
110                this.title = name;
111            } else if ( ( lastName == null || lastName.equals( "" ) ) && ( firstName == null || firstName.equals( "" ) ) ) {
112                this.title = name;
113            } else if ( ( !lastName.equals( "" ) ) && ( !firstName.equals( "" ) ) ) {
114                this.title = lastName + ", " + firstName;
115            } else if ( lastName.equals( "" ) ) {
116                this.title = firstName;
117            } else {
118                this.title = lastName;
119            }
120            this.firstName = firstName;
121            this.lastName = lastName;
122            this.emailAddress = emailAddress;
123            this.registry = registry;
124        }
125    
126        /**
127         * @return the first name
128         *
129         */
130        public String getFirstName() {
131            return firstName;
132        }
133    
134        /**
135         * @return the last name
136         *
137         */
138        public String getLastName() {
139            return lastName;
140        }
141    
142        /**
143         * @return the mail address
144         *
145         */
146        public String getEmailAddress() {
147            return emailAddress;
148        }
149    
150        /**
151         * @return the password
152         *
153         */
154        public String getPassword() {
155            return password;
156        }
157    
158        /**
159         * Returns the groups that this user belongs to.
160         *
161         * @param securityAccess
162         * @return the user's groups
163         * @throws GeneralSecurityException
164         */
165        public Group[] getGroups( SecurityAccess securityAccess )
166                                throws GeneralSecurityException {
167            return registry.getGroupsForUser( securityAccess, this );
168        }
169    
170        /**
171         * Returns the roles that this is user is associated with (directly and via group memberships).
172         * <p>
173         *
174         * @param securityAccess
175         * @return the user's roles
176         * @throws GeneralSecurityException
177         */
178        public Role[] getRoles( SecurityAccess securityAccess )
179                                throws GeneralSecurityException {
180            return securityAccess.getAllRolesForUser( this );
181        }
182    
183        /**
184         * Returns the <code>Privileges</code> that the <code>User</code> has (directly and via
185         * group memberships).
186         *
187         * @param securityAccess
188         * @return the user's privileges
189         * @throws GeneralSecurityException
190         */
191        public Privilege[] getPrivileges( SecurityAccess securityAccess )
192                                throws GeneralSecurityException {
193    
194            Role[] roles = securityAccess.getAllRolesForUser( this );
195            HashSet<Privilege> privilegeSet = new HashSet<Privilege>();
196            // gather privileges for all associated roles
197            for ( int i = 0; i < roles.length; i++ ) {
198                Privilege[] rolePrivileges = registry.getPrivilegesForRole( securityAccess, roles[i] );
199                for ( int j = 0; j < rolePrivileges.length; j++ ) {
200                    privilegeSet.add( rolePrivileges[j] );
201                }
202            }
203            return privilegeSet.toArray( new Privilege[privilegeSet.size()] );
204        }
205    
206        /**
207         * Returns whether the <code>User</code> has a certain <code>Privilege</code> (either
208         * directly or via group memberships).
209         *
210         * @param securityAccess
211         * @param privilege
212         * @return true if the user has the specified privilege
213         * @throws GeneralSecurityException
214         */
215        public boolean hasPrivilege( SecurityAccess securityAccess, Privilege privilege )
216                                throws GeneralSecurityException {
217            Privilege[] privileges = getPrivileges( securityAccess );
218            for ( int i = 0; i < privileges.length; i++ ) {
219                if ( privileges[i].equals( privilege ) ) {
220                    return true;
221                }
222            }
223            return false;
224        }
225    
226        /**
227         * Returns whether the <code>User</code> has a certain privilege (either directly or via group
228         * memberships).
229         *
230         * @param securityAccess
231         * @param s
232         * @return true if the user has the specified privilege
233         * @throws GeneralSecurityException
234         */
235        public boolean hasPrivilege( SecurityAccess securityAccess, String s )
236                                throws GeneralSecurityException {
237            Privilege privilege = registry.getPrivilegeByName( securityAccess, s );
238            return hasPrivilege( securityAccess, privilege );
239        }
240    
241        /**
242         * Returns the rights that this <code>User</code> has on the given
243         * <code>SecurableObject</code> (directly and via group memberships).
244         *
245         * @param securityAccess
246         * @param object
247         * @return the user's right for the specified object
248         * @throws GeneralSecurityException
249         */
250        public RightSet getRights( SecurityAccess securityAccess, SecurableObject object, RightType type )
251                                throws GeneralSecurityException {
252            Role[] roles = securityAccess.getAllRolesForUser( this );
253            return new RightSet( registry.getRights( securityAccess, object, roles, type ) );
254        }
255        
256        /**
257         * Returns the rights that this <code>User</code> has on the given
258         * <code>SecurableObject</code> (directly and via group memberships).
259         *
260         * @param securityAccess
261         * @param object
262         * @return the user's right for the specified object
263         * @throws GeneralSecurityException
264         */
265        public RightSet getRights( SecurityAccess securityAccess, SecurableObject object )
266                                throws GeneralSecurityException {
267            Role[] roles = securityAccess.getAllRolesForUser( this );
268            RightSet rights = new RightSet();
269    
270            for ( int i = 0; i < roles.length; i++ ) {
271                rights = rights.merge( new RightSet( registry.getRights( securityAccess, object, roles[i] ) ) );
272            }
273            return rights;
274        }
275    
276        /**
277         * Returns whether the <code>User</code> has a certain <code>Right</code> on this
278         * <code>SecurableObject</code> (directly or via group memberships).
279         *
280         * @param securityAccess
281         * @param type
282         * @param accessParams
283         * @param object
284         * @return true if the user has the right for the specified object
285         * @throws GeneralSecurityException
286         */
287        public boolean hasRight( SecurityAccess securityAccess, RightType type, Feature accessParams, SecurableObject object )
288                                throws GeneralSecurityException {
289            LOG.logDebug( "has Right", type );
290            LOG.logDebug( "has Right", object );
291            //return getRights( securityAccess, object ).applies( object, type, accessParams );
292            return getRights( securityAccess, object, type ).applies( object, type, accessParams );
293        }
294    
295        /**
296         * Returns whether the <code>User</code> has a certain <code>Right</code> on this
297         * <code>SecurableObject</code> (directly or via group memberships).
298         *
299         * @param securityAccess
300         * @param type
301         * @param object
302         * @return true if the user has the right for the specified object
303         * @throws GeneralSecurityException
304         */
305        public boolean hasRight( SecurityAccess securityAccess, RightType type, SecurableObject object )
306                                throws GeneralSecurityException {
307            // TODO
308            // must be tested
309            return getRights( securityAccess, object ).applies( object, type );
310        }
311    
312        /**
313         * Returns whether the <code>User</code> has a certain right on this
314         * <code>SecurableObject</code> (directly or via group memberships).
315         *
316         * @param securityAccess
317         * @param s
318         * @param object
319         * @return true if the user has the right for the specified object
320         * @throws GeneralSecurityException
321         */
322        public boolean hasRight( SecurityAccess securityAccess, String s, SecurableObject object )
323                                throws GeneralSecurityException {
324            RightType right = registry.getRightTypeByName( securityAccess, s );
325            return hasRight( securityAccess, right, object );
326        }
327    
328        /**
329         * Returns whether the <code>User</code> has already been authenticated by a call to
330         * <code>authenticate()</code> with the correct password (or if the <code>user</code>'s
331         * password is null).
332         *
333         * @return true, if the user is authenticated
334         */
335        public boolean isAuthenticated() {
336            return isAuthenticated;
337        }
338    
339        /**
340         * Returns a <code>String</code> representation of this object.
341         *
342         * @param securityAccess
343         * @return the object as string
344         */
345        public String toString( SecurityAccess securityAccess ) {
346            StringBuffer sb = new StringBuffer( "Name: " ).append( name ).append( ", Title: " ).append( title );
347    
348            try {
349                sb.append( ", Groups: [" );
350                Group[] groups = getGroups( securityAccess );
351                for ( int i = 0; i < groups.length; i++ ) {
352                    sb.append( groups[i].getName() );
353                    if ( i != groups.length - 1 ) {
354                        sb.append( ", " );
355                    }
356                }
357                sb.append( "]" );
358    
359                sb.append( ", Roles: [" );
360                Role[] roles = getRoles( securityAccess );
361                for ( int i = 0; i < roles.length; i++ ) {
362                    sb.append( roles[i].getName() );
363                    if ( i != roles.length - 1 ) {
364                        sb.append( ", " );
365                    }
366                }
367                sb.append( "]" );
368    
369                sb.append( ", Privileges: [" );
370                Privilege[] privileges = getPrivileges( securityAccess );
371                for ( int i = 0; i < privileges.length; i++ ) {
372                    sb.append( privileges[i].getName() );
373                    if ( i != privileges.length - 1 ) {
374                        sb.append( ", " );
375                    }
376                }
377                sb.append( "]" );
378    
379            } catch ( GeneralSecurityException e ) {
380                LOG.logError( e.getMessage(), e );
381            }
382            return sb.toString();
383        }
384    
385        /**
386         * Checks if the submitted password is equal to the one of this user instance and sets the state
387         * to "authenticated" in case it is correct.
388         *
389         * @param password
390         * @throws WrongCredentialsException
391         */
392        public void authenticate( String password )
393                                throws WrongCredentialsException {
394            if ( this.password == null || "".equals( this.password ) ) {
395                isAuthenticated = true;
396                return;
397            }
398            if ( !this.password.equals( password ) ) {
399                isAuthenticated = false;
400                throw new WrongCredentialsException( "The submitted password is incorrect." );
401            }
402            isAuthenticated = true;
403        }
404    }