aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/database/PermissionsManager.java
blob: 3ae5961cebbd59b77fe7a07b1252149b3406eb97 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
/*
 * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.traccar.database;

import org.traccar.Context;
import org.traccar.helper.Log;
import org.traccar.model.Attribute;
import org.traccar.model.BaseModel;
import org.traccar.model.Calendar;
import org.traccar.model.Command;
import org.traccar.model.Device;
import org.traccar.model.Driver;
import org.traccar.model.Geofence;
import org.traccar.model.Group;
import org.traccar.model.ManagedUser;
import org.traccar.model.Notification;
import org.traccar.model.Permission;
import org.traccar.model.Server;
import org.traccar.model.User;

import java.sql.SQLException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class PermissionsManager {

    private final DataManager dataManager;
    private final UsersManager usersManager;

    private volatile Server server;

    private final Map<Long, Set<Long>> groupPermissions = new HashMap<>();
    private final Map<Long, Set<Long>> devicePermissions = new HashMap<>();
    private final Map<Long, Set<Long>> deviceUsers = new HashMap<>();
    private final Map<Long, Set<Long>> groupDevices = new HashMap<>();

    public PermissionsManager(DataManager dataManager, UsersManager usersManager) {
        this.dataManager = dataManager;
        this.usersManager = usersManager;
        refreshServer();
        refreshDeviceAndGroupPermissions();
    }

    public User getUser(long userId) {
        return usersManager.getById(userId);
    }

    public Set<Long> getGroupPermissions(long userId) {
        if (!groupPermissions.containsKey(userId)) {
            groupPermissions.put(userId, new HashSet<Long>());
        }
        return groupPermissions.get(userId);
    }

    public Set<Long> getDevicePermissions(long userId) {
        if (!devicePermissions.containsKey(userId)) {
            devicePermissions.put(userId, new HashSet<Long>());
        }
        return devicePermissions.get(userId);
    }

    private Set<Long> getAllDeviceUsers(long deviceId) {
        if (!deviceUsers.containsKey(deviceId)) {
            deviceUsers.put(deviceId, new HashSet<Long>());
        }
        return deviceUsers.get(deviceId);
    }

    public Set<Long> getDeviceUsers(long deviceId) {
        Device device = Context.getIdentityManager().getById(deviceId);
        if (device != null && !device.getDisabled()) {
            return getAllDeviceUsers(deviceId);
        } else {
            Set<Long> result = new HashSet<>();
            for (long userId : getAllDeviceUsers(deviceId)) {
                if (getUserAdmin(userId)) {
                    result.add(userId);
                }
            }
            return result;
        }
    }

    public Set<Long> getGroupDevices(long groupId) {
        if (!groupDevices.containsKey(groupId)) {
            groupDevices.put(groupId, new HashSet<Long>());
        }
        return groupDevices.get(groupId);
    }

    public void refreshServer() {
        try {
            server = dataManager.getServer();
        } catch (SQLException error) {
            Log.warning(error);
        }
    }

    public final void refreshDeviceAndGroupPermissions() {
        groupPermissions.clear();
        devicePermissions.clear();
        try {
            GroupTree groupTree = new GroupTree(Context.getGroupsManager().getItems(
                    Context.getGroupsManager().getAllItems()),
                    Context.getDeviceManager().getAllDevices());
            for (Permission groupPermission : dataManager.getPermissions(User.class, Group.class)) {
                Set<Long> userGroupPermissions = getGroupPermissions(groupPermission.getOwnerId());
                Set<Long> userDevicePermissions = getDevicePermissions(groupPermission.getOwnerId());
                userGroupPermissions.add(groupPermission.getPropertyId());
                for (Group group : groupTree.getGroups(groupPermission.getPropertyId())) {
                    userGroupPermissions.add(group.getId());
                }
                for (Device device : groupTree.getDevices(groupPermission.getPropertyId())) {
                    userDevicePermissions.add(device.getId());
                }
            }

            for (Permission devicePermission : dataManager.getPermissions(User.class, Device.class)) {
                getDevicePermissions(devicePermission.getOwnerId()).add(devicePermission.getPropertyId());
            }

            groupDevices.clear();
            for (long groupId : Context.getGroupsManager().getAllItems()) {
                for (Device device : groupTree.getDevices(groupId)) {
                    getGroupDevices(groupId).add(device.getId());
                }
            }

        } catch (SQLException | ClassNotFoundException error) {
            Log.warning(error);
        }

        deviceUsers.clear();
        for (Map.Entry<Long, Set<Long>> entry : devicePermissions.entrySet()) {
            for (long deviceId : entry.getValue()) {
                getAllDeviceUsers(deviceId).add(entry.getKey());
            }
        }
    }

    public boolean getUserAdmin(long userId) {
        User user = getUser(userId);
        return user != null && user.getAdmin();
    }

    public void checkAdmin(long userId) throws SecurityException {
        if (!getUserAdmin(userId)) {
            throw new SecurityException("Admin access required");
        }
    }

    public boolean getUserManager(long userId) {
        User user = getUser(userId);
        return user != null && user.getUserLimit() != 0;
    }

    public void checkManager(long userId) throws SecurityException {
        if (!getUserManager(userId)) {
            throw new SecurityException("Manager access required");
        }
    }

    public void checkManager(long userId, long managedUserId) throws SecurityException {
        checkManager(userId);
        if (!usersManager.getUserItems(userId).contains(managedUserId)) {
            throw new SecurityException("User access denied");
        }
    }

    public void checkUserLimit(long userId) throws SecurityException {
        int userLimit = getUser(userId).getUserLimit();
        if (userLimit != -1 && usersManager.getUserItems(userId).size() >= userLimit) {
            throw new SecurityException("Manager user limit reached");
        }
    }

    public void checkDeviceLimit(long userId) throws SecurityException, SQLException {
        int deviceLimit = getUser(userId).getDeviceLimit();
        if (deviceLimit != -1) {
            int deviceCount = 0;
            if (getUserManager(userId)) {
                deviceCount = Context.getDeviceManager().getAllManagedItems(userId).size();
            } else {
                deviceCount = Context.getDeviceManager().getAllUserItems(userId).size();
            }
            if (deviceCount >= deviceLimit) {
                throw new SecurityException("User device limit reached");
            }
        }
    }

    public boolean getUserReadonly(long userId) {
        User user = getUser(userId);
        return user != null && user.getReadonly();
    }

    public boolean getUserDeviceReadonly(long userId) {
        User user = getUser(userId);
        return user != null && user.getDeviceReadonly();
    }

    public boolean getUserLimitCommands(long userId) {
        User user = getUser(userId);
        return user != null && user.getLimitCommands();
    }

    public void checkReadonly(long userId) throws SecurityException {
        if (!getUserAdmin(userId) && (server.getReadonly() || getUserReadonly(userId))) {
            throw new SecurityException("Account is readonly");
        }
    }

    public void checkDeviceReadonly(long userId) throws SecurityException {
        if (!getUserAdmin(userId) && (server.getDeviceReadonly() || getUserDeviceReadonly(userId))) {
            throw new SecurityException("Account is device readonly");
        }
    }

    public void checkLimitCommands(long userId) throws SecurityException {
        if (!getUserAdmin(userId) && (server.getLimitCommands() || getUserLimitCommands(userId))) {
            throw new SecurityException("Account has limit sending commands");
        }
    }

    public void checkUserDeviceCommand(long userId, long deviceId, long commandId) throws SecurityException {
        if (!getUserAdmin(userId) && Context.getCommandsManager().checkDeviceCommand(deviceId, commandId)) {
            throw new SecurityException("Command can not be sent to this device");
        }
    }

    public void checkUserEnabled(long userId) throws SecurityException {
        User user = getUser(userId);
        if (user == null) {
            throw new SecurityException("Unknown account");
        }
        if (user.getDisabled()) {
            throw new SecurityException("Account is disabled");
        }
        if (user.getExpirationTime() != null && System.currentTimeMillis() > user.getExpirationTime().getTime()) {
            throw new SecurityException("Account has expired");
        }
    }

    public void checkUserUpdate(long userId, User before, User after) throws SecurityException {
        if (before.getAdmin() != after.getAdmin()
                || before.getDeviceLimit() != after.getDeviceLimit()
                || before.getUserLimit() != after.getUserLimit()) {
            checkAdmin(userId);
        }
        User user = getUser(userId);
        if (user != null && user.getExpirationTime() != null
                && (after.getExpirationTime() == null
                || user.getExpirationTime().compareTo(after.getExpirationTime()) < 0)) {
            checkAdmin(userId);
        }
        if (before.getReadonly() != after.getReadonly()
                || before.getDeviceReadonly() != after.getDeviceReadonly()
                || before.getDisabled() != after.getDisabled()
                || before.getLimitCommands() != after.getLimitCommands()) {
            if (userId == after.getId()) {
                checkAdmin(userId);
            }
            if (!getUserAdmin(userId)) {
                checkManager(userId);
            }
        }
    }

    public void checkUser(long userId, long managedUserId) throws SecurityException {
        if (userId != managedUserId && !getUserAdmin(userId)) {
            checkManager(userId, managedUserId);
        }
    }

    public void checkGroup(long userId, long groupId) throws SecurityException {
        if (!getGroupPermissions(userId).contains(groupId) && !getUserAdmin(userId)) {
            checkManager(userId);
            for (long managedUserId : usersManager.getUserItems(userId)) {
                if (getGroupPermissions(managedUserId).contains(groupId)) {
                    return;
                }
            }
            throw new SecurityException("Group access denied");
        }
    }

    public void checkDevice(long userId, long deviceId) throws SecurityException {
        if (!Context.getDeviceManager().getUserItems(userId).contains(deviceId) && !getUserAdmin(userId)) {
            checkManager(userId);
            for (long managedUserId : usersManager.getUserItems(userId)) {
                if (Context.getDeviceManager().getUserItems(managedUserId).contains(deviceId)) {
                    return;
                }
            }
            throw new SecurityException("Device access denied");
        }
    }

    public void checkRegistration(long userId) {
        if (!server.getRegistration() && !getUserAdmin(userId)) {
            throw new SecurityException("Registration disabled");
        }
    }

    public void checkPermission(Class<?> object, long userId, long objectId)
            throws SecurityException {
        SimpleObjectManager<? extends BaseModel> manager = null;

        if (object.equals(Device.class)) {
            checkDevice(userId, objectId);
        } else if (object.equals(Group.class)) {
            checkGroup(userId, objectId);
        } else if (object.equals(User.class) || object.equals(ManagedUser.class)) {
            checkUser(userId, objectId);
        } else if (object.equals(Geofence.class)) {
            manager = Context.getGeofenceManager();
        } else if (object.equals(Attribute.class)) {
            manager = Context.getAttributesManager();
        } else if (object.equals(Driver.class)) {
            manager = Context.getDriversManager();
        } else if (object.equals(Calendar.class)) {
            manager = Context.getCalendarManager();
        } else if (object.equals(Command.class)) {
            manager = Context.getCommandsManager();
        } else if (object.equals(Notification.class)) {
            manager = Context.getNotificationManager();
        } else {
            throw new IllegalArgumentException("Unknown object type");
        }

        if (manager != null && !manager.checkItemPermission(userId, objectId) && !getUserAdmin(userId)) {
            checkManager(userId);
            for (long managedUserId : usersManager.getManagedItems(userId)) {
                if (manager.checkItemPermission(managedUserId, objectId)) {
                    return;
                }
            }
            throw new SecurityException("Type " + object + " access denied");
        }
    }

    public void refreshAllUsersPermissions() {
        if (Context.getGeofenceManager() != null) {
            Context.getGeofenceManager().refreshUserItems();
        }
        Context.getCalendarManager().refreshUserItems();
        Context.getDriversManager().refreshUserItems();
        Context.getAttributesManager().refreshUserItems();
        Context.getCommandsManager().refreshUserItems();
        if (Context.getNotificationManager() != null) {
            Context.getNotificationManager().refreshUserItems();
        }
    }

    public void refreshAllExtendedPermissions() {
        if (Context.getGeofenceManager() != null) {
            Context.getGeofenceManager().refreshExtendedPermissions();
        }
        Context.getDriversManager().refreshExtendedPermissions();
        Context.getAttributesManager().refreshExtendedPermissions();
        Context.getCommandsManager().refreshExtendedPermissions();
    }

    public void refreshPermissions(Permission permission) {
        if (permission.getOwnerClass().equals(User.class)) {
            if (permission.getPropertyClass().equals(Device.class)
                    || permission.getPropertyClass().equals(Group.class)) {
                refreshDeviceAndGroupPermissions();
                refreshAllExtendedPermissions();
            } else if (permission.getPropertyClass().equals(ManagedUser.class)) {
                usersManager.refreshUserItems();
            } else if (permission.getPropertyClass().equals(Geofence.class) && Context.getGeofenceManager() != null) {
                Context.getGeofenceManager().refreshUserItems();
            } else if (permission.getPropertyClass().equals(Driver.class)) {
                Context.getDriversManager().refreshUserItems();
            } else if (permission.getPropertyClass().equals(Attribute.class)) {
                Context.getAttributesManager().refreshUserItems();
            } else if (permission.getPropertyClass().equals(Calendar.class)) {
                Context.getCalendarManager().refreshUserItems();
            } else if (permission.getPropertyClass().equals(Command.class)) {
                Context.getCommandsManager().refreshUserItems();
            } else if (permission.getPropertyClass().equals(Notification.class)
                    && Context.getNotificationManager() != null) {
                Context.getNotificationManager().refreshUserItems();
            }
        } else if (permission.getOwnerClass().equals(Device.class) || permission.getOwnerClass().equals(Group.class)) {
            if (permission.getPropertyClass().equals(Geofence.class) && Context.getGeofenceManager() != null) {
                Context.getGeofenceManager().refreshExtendedPermissions();
            } else if (permission.getPropertyClass().equals(Driver.class)) {
                Context.getDriversManager().refreshExtendedPermissions();
            } else if (permission.getPropertyClass().equals(Attribute.class)) {
                Context.getAttributesManager().refreshExtendedPermissions();
            } else if (permission.getPropertyClass().equals(Command.class)) {
                Context.getCommandsManager().refreshExtendedPermissions();
            } else if (permission.getPropertyClass().equals(Notification.class)
                    && Context.getNotificationManager() != null) {
                Context.getNotificationManager().refreshExtendedPermissions();
            }
        }
    }

    public Server getServer() {
        return server;
    }

    public void updateServer(Server server) throws SQLException {
        dataManager.updateObject(server);
        this.server = server;
    }

    public User login(String email, String password) throws SQLException {
        User user = dataManager.login(email, password);
        if (user != null) {
            checkUserEnabled(user.getId());
            return getUser(user.getId());
        }
        return null;
    }

    public Object lookupAttribute(long userId, String key, Object defaultValue) {
        Object preference;
        Object serverPreference = server.getAttributes().get(key);
        Object userPreference = getUser(userId).getAttributes().get(key);
        if (server.getForceSettings()) {
            preference = serverPreference != null ? serverPreference : userPreference;
        } else {
            preference = userPreference != null ? userPreference : serverPreference;
        }
        return preference != null ? preference : defaultValue;
    }

}