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<?php
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/**
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*
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* @package phpBB3
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* @version $Id: functions_user.php 11099 2011-04-11 00:00:10Z git-gate $
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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11
/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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        exit;
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}
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/**
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* Obtain user_ids from usernames or vice versa. Returns false on
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* success else the error string
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*
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* @param array &$user_id_ary The user ids to check or empty if usernames used
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* @param array &$username_ary The usernames to check or empty if user ids used
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* @param mixed $user_type Array of user types to check, false if not restricting by user type
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*/
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function user_get_id_name(&$user_id_ary, &$username_ary, $user_type = false)
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{
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        global $db;
30
31
        // Are both arrays already filled? Yep, return else
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        // are neither array filled?
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        if ($user_id_ary && $username_ary)
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        {
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                return false;
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        }
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        else if (!$user_id_ary && !$username_ary)
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        {
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                return 'NO_USERS';
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        }
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42
        $which_ary = ($user_id_ary) ? 'user_id_ary' : 'username_ary';
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        if ($$which_ary && !is_array($$which_ary))
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        {
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                $$which_ary = array($$which_ary);
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        }
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        $sql_in = ($which_ary == 'user_id_ary') ? array_map('intval', $$which_ary) : array_map('utf8_clean_string', $$which_ary);
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        unset($$which_ary);
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        $user_id_ary = $username_ary = array();
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        // Grab the user id/username records
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        $sql_where = ($which_ary == 'user_id_ary') ? 'user_id' : 'username_clean';
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        $sql = 'SELECT user_id, username
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                FROM ' . USERS_TABLE . '
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                WHERE ' . $db->sql_in_set($sql_where, $sql_in);
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60
        if ($user_type !== false && !empty($user_type))
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        {
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                $sql .= ' AND ' . $db->sql_in_set('user_type', $user_type);
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        }
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        $result = $db->sql_query($sql);
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67
        if (!($row = $db->sql_fetchrow($result)))
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        {
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                $db->sql_freeresult($result);
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                return 'NO_USERS';
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        }
72
73
        do
74
        {
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                $username_ary[$row['user_id']] = $row['username'];
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                $user_id_ary[] = $row['user_id'];
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        }
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        while ($row = $db->sql_fetchrow($result));
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        $db->sql_freeresult($result);
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81
        return false;
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}
83
84
/**
85
* Get latest registered username and update database to reflect it
86
*/
87
function update_last_username()
88
{
89
        global $db;
90
91
        // Get latest username
92
        $sql = 'SELECT user_id, username, user_colour
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                FROM ' . USERS_TABLE . '
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                WHERE user_type IN (' . USER_NORMAL . ', ' . USER_FOUNDER . ')
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                ORDER BY user_id DESC';
96
        $result = $db->sql_query_limit($sql, 1);
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        $row = $db->sql_fetchrow($result);
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        $db->sql_freeresult($result);
99
100
        if ($row)
101
        {
102
                set_config('newest_user_id', $row['user_id'], true);
103
                set_config('newest_username', $row['username'], true);
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                set_config('newest_user_colour', $row['user_colour'], true);
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        }
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}
107
108
/**
109
* Updates a username across all relevant tables/fields
110
*
111
* @param string $old_name the old/current username
112
* @param string $new_name the new username
113
*/
114
function user_update_name($old_name, $new_name)
115
{
116
        global $config, $db, $cache;
117
118
        $update_ary = array(
119
                FORUMS_TABLE                        => array('forum_last_poster_name'),
120
                MODERATOR_CACHE_TABLE        => array('username'),
121
                POSTS_TABLE                                => array('post_username'),
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                TOPICS_TABLE                        => array('topic_first_poster_name', 'topic_last_poster_name'),
123
        );
124
125
        foreach ($update_ary as $table => $field_ary)
126
        {
127
                foreach ($field_ary as $field)
128
                {
129
                        $sql = "UPDATE $table
130
                                SET $field = '" . $db->sql_escape($new_name) . "'
131
                                WHERE $field = '" . $db->sql_escape($old_name) . "'";
132
                        $db->sql_query($sql);
133
                }
134
        }
135
136
        if ($config['newest_username'] == $old_name)
137
        {
138
                set_config('newest_username', $new_name, true);
139
        }
140
141
        // Because some tables/caches use username-specific data we need to purge this here.
142
        $cache->destroy('sql', MODERATOR_CACHE_TABLE);
143
}
144
145
/**
146
* Adds an user
147
*
148
* @param mixed $user_row An array containing the following keys (and the appropriate values): username, group_id (the group to place the user in), user_email and the user_type(usually 0). Additional entries not overridden by defaults will be forwarded.
149
* @param string $cp_data custom profile fields, see custom_profile::build_insert_sql_array
150
* @return the new user's ID.
151
*/
152
function user_add($user_row, $cp_data = false)
153
{
154
        global $db, $user, $auth, $config, $phpbb_root_path, $phpEx;
155
156
        if (empty($user_row['username']) || !isset($user_row['group_id']) || !isset($user_row['user_email']) || !isset($user_row['user_type']))
157
        {
158
                return false;
159
        }
160
161
        $username_clean = utf8_clean_string($user_row['username']);
162
163
        if (empty($username_clean))
164
        {
165
                return false;
166
        }
167
168
        $sql_ary = array(
169
                'username'                        => $user_row['username'],
170
                'username_clean'        => $username_clean,
171
                'user_password'                => (isset($user_row['user_password'])) ? $user_row['user_password'] : '',
172
                'user_pass_convert'        => 0,
173
                'user_email'                => strtolower($user_row['user_email']),
174
                'user_email_hash'        => phpbb_email_hash($user_row['user_email']),
175
                'group_id'                        => $user_row['group_id'],
176
                'user_type'                        => $user_row['user_type'],
177
        );
178
179
        // These are the additional vars able to be specified
180
        $additional_vars = array(
181
                'user_permissions'        => '',
182
                'user_timezone'                => $config['board_timezone'],
183
                'user_dateformat'        => $config['default_dateformat'],
184
                'user_lang'                        => $config['default_lang'],
185
                'user_style'                => (int) $config['default_style'],
186
                'user_actkey'                => '',
187
                'user_ip'                        => '',
188
                'user_regdate'                => time(),
189
                'user_passchg'                => time(),
190
                'user_options'                => 230271,
191
                // We do not set the new flag here - registration scripts need to specify it
192
                'user_new'                        => 0,
193
194
                'user_inactive_reason'        => 0,
195
                'user_inactive_time'        => 0,
196
                'user_lastmark'                        => time(),
197
                'user_lastvisit'                => 0,
198
                'user_lastpost_time'        => 0,
199
                'user_lastpage'                        => '',
200
                'user_posts'                        => 0,
201
                'user_dst'                                => (int) $config['board_dst'],
202
                'user_colour'                        => '',
203
                'user_occ'                                => '',
204
                'user_interests'                => '',
205
                'user_avatar'                        => '',
206
                'user_avatar_type'                => 0,
207
                'user_avatar_width'                => 0,
208
                'user_avatar_height'        => 0,
209
                'user_new_privmsg'                => 0,
210
                'user_unread_privmsg'        => 0,
211
                'user_last_privmsg'                => 0,
212
                'user_message_rules'        => 0,
213
                'user_full_folder'                => PRIVMSGS_NO_BOX,
214
                'user_emailtime'                => 0,
215
216
                'user_notify'                        => 0,
217
                'user_notify_pm'                => 1,
218
                'user_notify_type'                => NOTIFY_EMAIL,
219
                'user_allow_pm'                        => 1,
220
                'user_allow_viewonline'        => 1,
221
                'user_allow_viewemail'        => 1,
222
                'user_allow_massemail'        => 1,
223
224
                'user_sig'                                        => '',
225
                'user_sig_bbcode_uid'                => '',
226
                'user_sig_bbcode_bitfield'        => '',
227
228
                'user_form_salt'                        => unique_id(),
229
        );
230
231
        // Now fill the sql array with not required variables
232
        foreach ($additional_vars as $key => $default_value)
233
        {
234
                $sql_ary[$key] = (isset($user_row[$key])) ? $user_row[$key] : $default_value;
235
        }
236
237
        // Any additional variables in $user_row not covered above?
238
        $remaining_vars = array_diff(array_keys($user_row), array_keys($sql_ary));
239
240
        // Now fill our sql array with the remaining vars
241
        if (sizeof($remaining_vars))
242
        {
243
                foreach ($remaining_vars as $key)
244
                {
245
                        $sql_ary[$key] = $user_row[$key];
246
                }
247
        }
248
249
        $sql = 'INSERT INTO ' . USERS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary);
250
        $db->sql_query($sql);
251
252
        $user_id = $db->sql_nextid();
253
254
        // Insert Custom Profile Fields
255
        if ($cp_data !== false && sizeof($cp_data))
256
        {
257
                $cp_data['user_id'] = (int) $user_id;
258
259
                if (!class_exists('custom_profile'))
260
                {
261
                        include_once($phpbb_root_path . 'includes/functions_profile_fields.' . $phpEx);
262
                }
263
264
                $sql = 'INSERT INTO ' . PROFILE_FIELDS_DATA_TABLE . ' ' .
265
                        $db->sql_build_array('INSERT', custom_profile::build_insert_sql_array($cp_data));
266
                $db->sql_query($sql);
267
        }
268
269
        // Place into appropriate group...
270
        $sql = 'INSERT INTO ' . USER_GROUP_TABLE . ' ' . $db->sql_build_array('INSERT', array(
271
                'user_id'                => (int) $user_id,
272
                'group_id'                => (int) $user_row['group_id'],
273
                'user_pending'        => 0)
274
        );
275
        $db->sql_query($sql);
276
277
        // Now make it the users default group...
278
        group_set_user_default($user_row['group_id'], array($user_id), false);
279
280
        // Add to newly registered users group if user_new is 1
281
        if ($config['new_member_post_limit'] && $sql_ary['user_new'])
282
        {
283
                $sql = 'SELECT group_id
284
                        FROM ' . GROUPS_TABLE . "
285
                        WHERE group_name = 'NEWLY_REGISTERED'
286
                                AND group_type = " . GROUP_SPECIAL;
287
                $result = $db->sql_query($sql);
288
                $add_group_id = (int) $db->sql_fetchfield('group_id');
289
                $db->sql_freeresult($result);
290
291
                if ($add_group_id)
292
                {
293
                        // Because these actions only fill the log unneccessarily we skip the add_log() entry with a little hack. :/
294
                        $GLOBALS['skip_add_log'] = true;
295
296
                        // Add user to "newly registered users" group and set to default group if admin specified so.
297
                        if ($config['new_member_group_default'])
298
                        {
299
                                group_user_add($add_group_id, $user_id, false, false, true);
300
                                $user_row['group_id'] = $add_group_id;
301
                        }
302
                        else
303
                        {
304
                                group_user_add($add_group_id, $user_id);
305
                        }
306
307
                        unset($GLOBALS['skip_add_log']);
308
                }
309
        }
310
311
        // set the newest user and adjust the user count if the user is a normal user and no activation mail is sent
312
        if ($user_row['user_type'] == USER_NORMAL || $user_row['user_type'] == USER_FOUNDER)
313
        {
314
                set_config('newest_user_id', $user_id, true);
315
                set_config('newest_username', $user_row['username'], true);
316
                set_config_count('num_users', 1, true);
317
318
                $sql = 'SELECT group_colour
319
                        FROM ' . GROUPS_TABLE . '
320
                        WHERE group_id = ' . (int) $user_row['group_id'];
321
                $result = $db->sql_query_limit($sql, 1);
322
                $row = $db->sql_fetchrow($result);
323
                $db->sql_freeresult($result);
324
325
                set_config('newest_user_colour', $row['group_colour'], true);
326
        }
327
328
        return $user_id;
329
}
330
331
/**
332
* Remove User
333
*/
334
function user_delete($mode, $user_id, $post_username = false)
335
{
336
        global $cache, $config, $db, $user, $auth;
337
        global $phpbb_root_path, $phpEx;
338
339
        $sql = 'SELECT *
340
                FROM ' . USERS_TABLE . '
341
                WHERE user_id = ' . $user_id;
342
        $result = $db->sql_query($sql);
343
        $user_row = $db->sql_fetchrow($result);
344
        $db->sql_freeresult($result);
345
346
        if (!$user_row)
347
        {
348
                return false;
349
        }
350
351
        // Before we begin, we will remove the reports the user issued.
352
        $sql = 'SELECT r.post_id, p.topic_id
353
                FROM ' . REPORTS_TABLE . ' r, ' . POSTS_TABLE . ' p
354
                WHERE r.user_id = ' . $user_id . '
355
                        AND p.post_id = r.post_id';
356
        $result = $db->sql_query($sql);
357
358
        $report_posts = $report_topics = array();
359
        while ($row = $db->sql_fetchrow($result))
360
        {
361
                $report_posts[] = $row['post_id'];
362
                $report_topics[] = $row['topic_id'];
363
        }
364
        $db->sql_freeresult($result);
365
366
        if (sizeof($report_posts))
367
        {
368
                $report_posts = array_unique($report_posts);
369
                $report_topics = array_unique($report_topics);
370
371
                // Get a list of topics that still contain reported posts
372
                $sql = 'SELECT DISTINCT topic_id
373
                        FROM ' . POSTS_TABLE . '
374
                        WHERE ' . $db->sql_in_set('topic_id', $report_topics) . '
375
                                AND post_reported = 1
376
                                AND ' . $db->sql_in_set('post_id', $report_posts, true);
377
                $result = $db->sql_query($sql);
378
379
                $keep_report_topics = array();
380
                while ($row = $db->sql_fetchrow($result))
381
                {
382
                        $keep_report_topics[] = $row['topic_id'];
383
                }
384
                $db->sql_freeresult($result);
385
386
                if (sizeof($keep_report_topics))
387
                {
388
                        $report_topics = array_diff($report_topics, $keep_report_topics);
389
                }
390
                unset($keep_report_topics);
391
392
                // Now set the flags back
393
                $sql = 'UPDATE ' . POSTS_TABLE . '
394
                        SET post_reported = 0
395
                        WHERE ' . $db->sql_in_set('post_id', $report_posts);
396
                $db->sql_query($sql);
397
398
                if (sizeof($report_topics))
399
                {
400
                        $sql = 'UPDATE ' . TOPICS_TABLE . '
401
                                SET topic_reported = 0
402
                                WHERE ' . $db->sql_in_set('topic_id', $report_topics);
403
                        $db->sql_query($sql);
404
                }
405
        }
406
407
        // Remove reports
408
        $db->sql_query('DELETE FROM ' . REPORTS_TABLE . ' WHERE user_id = ' . $user_id);
409
410
        if ($user_row['user_avatar'] && $user_row['user_avatar_type'] == AVATAR_UPLOAD)
411
        {
412
                avatar_delete('user', $user_row);
413
        }
414
415
        switch ($mode)
416
        {
417
                case 'retain':
418
419
                        $db->sql_transaction('begin');
420
421
                        if ($post_username === false)
422
                        {
423
                                $post_username = $user->lang['GUEST'];
424
                        }
425
426
                        // If the user is inactive and newly registered we assume no posts from this user being there...
427
                        if ($user_row['user_type'] == USER_INACTIVE && $user_row['user_inactive_reason'] == INACTIVE_REGISTER && !$user_row['user_posts'])
428
                        {
429
                        }
430
                        else
431
                        {
432
                                $sql = 'UPDATE ' . FORUMS_TABLE . '
433
                                        SET forum_last_poster_id = ' . ANONYMOUS . ", forum_last_poster_name = '" . $db->sql_escape($post_username) . "', forum_last_poster_colour = ''
434
                                        WHERE forum_last_poster_id = $user_id";
435
                                $db->sql_query($sql);
436
437
                                $sql = 'UPDATE ' . POSTS_TABLE . '
438
                                        SET poster_id = ' . ANONYMOUS . ", post_username = '" . $db->sql_escape($post_username) . "'
439
                                        WHERE poster_id = $user_id";
440
                                $db->sql_query($sql);
441
442
                                $sql = 'UPDATE ' . POSTS_TABLE . '
443
                                        SET post_edit_user = ' . ANONYMOUS . "
444
                                        WHERE post_edit_user = $user_id";
445
                                $db->sql_query($sql);
446
447
                                $sql = 'UPDATE ' . TOPICS_TABLE . '
448
                                        SET topic_poster = ' . ANONYMOUS . ", topic_first_poster_name = '" . $db->sql_escape($post_username) . "', topic_first_poster_colour = ''
449
                                        WHERE topic_poster = $user_id";
450
                                $db->sql_query($sql);
451
452
                                $sql = 'UPDATE ' . TOPICS_TABLE . '
453
                                        SET topic_last_poster_id = ' . ANONYMOUS . ", topic_last_poster_name = '" . $db->sql_escape($post_username) . "', topic_last_poster_colour = ''
454
                                        WHERE topic_last_poster_id = $user_id";
455
                                $db->sql_query($sql);
456
457
                                $sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
458
                                        SET poster_id = ' . ANONYMOUS . "
459
                                        WHERE poster_id = $user_id";
460
                                $db->sql_query($sql);
461
462
                                // Since we change every post by this author, we need to count this amount towards the anonymous user
463
464
                                // Update the post count for the anonymous user
465
                                if ($user_row['user_posts'])
466
                                {
467
                                        $sql = 'UPDATE ' . USERS_TABLE . '
468
                                                SET user_posts = user_posts + ' . $user_row['user_posts'] . '
469
                                                WHERE user_id = ' . ANONYMOUS;
470
                                        $db->sql_query($sql);
471
                                }
472
                        }
473
474
                        $db->sql_transaction('commit');
475
476
                break;
477
478
                case 'remove':
479
480
                        if (!function_exists('delete_posts'))
481
                        {
482
                                include($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
483
                        }
484
485
                        // Delete posts, attachments, etc.
486
                        delete_posts('poster_id', $user_id);
487
488
                break;
489
        }
490
491
        $db->sql_transaction('begin');
492
493
        $table_ary = array(USERS_TABLE, USER_GROUP_TABLE, TOPICS_WATCH_TABLE, FORUMS_WATCH_TABLE, ACL_USERS_TABLE, TOPICS_TRACK_TABLE, TOPICS_POSTED_TABLE, FORUMS_TRACK_TABLE, PROFILE_FIELDS_DATA_TABLE, MODERATOR_CACHE_TABLE, DRAFTS_TABLE, BOOKMARKS_TABLE, SESSIONS_KEYS_TABLE, PRIVMSGS_FOLDER_TABLE, PRIVMSGS_RULES_TABLE);
494
495
        foreach ($table_ary as $table)
496
        {
497
                $sql = "DELETE FROM $table
498
                        WHERE user_id = $user_id";
499
                $db->sql_query($sql);
500
        }
501
502
        $cache->destroy('sql', MODERATOR_CACHE_TABLE);
503
504
        // Delete user log entries about this user
505
        $sql = 'DELETE FROM ' . LOG_TABLE . '
506
                WHERE reportee_id = ' . $user_id;
507
        $db->sql_query($sql);
508
509
        // Change user_id to anonymous for this users triggered events
510
        $sql = 'UPDATE ' . LOG_TABLE . '
511
                SET user_id = ' . ANONYMOUS . '
512
                WHERE user_id = ' . $user_id;
513
        $db->sql_query($sql);
514
515
        // Delete the user_id from the zebra table
516
        $sql = 'DELETE FROM ' . ZEBRA_TABLE . '
517
                WHERE user_id = ' . $user_id . '
518
                        OR zebra_id = ' . $user_id;
519
        $db->sql_query($sql);
520
521
        // Delete the user_id from the banlist
522
        $sql = 'DELETE FROM ' . BANLIST_TABLE . '
523
                WHERE ban_userid = ' . $user_id;
524
        $db->sql_query($sql);
525
526
        // Delete the user_id from the session table
527
        $sql = 'DELETE FROM ' . SESSIONS_TABLE . '
528
                WHERE session_user_id = ' . $user_id;
529
        $db->sql_query($sql);
530
531
        // Remove any undelivered mails...
532
        $sql = 'SELECT msg_id, user_id
533
                FROM ' . PRIVMSGS_TO_TABLE . '
534
                WHERE author_id = ' . $user_id . '
535
                        AND folder_id = ' . PRIVMSGS_NO_BOX;
536
        $result = $db->sql_query($sql);
537
538
        $undelivered_msg = $undelivered_user = array();
539
        while ($row = $db->sql_fetchrow($result))
540
        {
541
                $undelivered_msg[] = $row['msg_id'];
542
                $undelivered_user[$row['user_id']][] = true;
543
        }
544
        $db->sql_freeresult($result);
545
546
        if (sizeof($undelivered_msg))
547
        {
548
                $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . '
549
                        WHERE ' . $db->sql_in_set('msg_id', $undelivered_msg);
550
                $db->sql_query($sql);
551
        }
552
553
        $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . '
554
                WHERE author_id = ' . $user_id . '
555
                        AND folder_id = ' . PRIVMSGS_NO_BOX;
556
        $db->sql_query($sql);
557
558
        // Delete all to-information
559
        $sql = 'DELETE FROM ' . PRIVMSGS_TO_TABLE . '
560
                WHERE user_id = ' . $user_id;
561
        $db->sql_query($sql);
562
563
        // Set the remaining author id to anonymous - this way users are still able to read messages from users being removed
564
        $sql = 'UPDATE ' . PRIVMSGS_TO_TABLE . '
565
                SET author_id = ' . ANONYMOUS . '
566
                WHERE author_id = ' . $user_id;
567
        $db->sql_query($sql);
568
569
        $sql = 'UPDATE ' . PRIVMSGS_TABLE . '
570
                SET author_id = ' . ANONYMOUS . '
571
                WHERE author_id = ' . $user_id;
572
        $db->sql_query($sql);
573
574
        foreach ($undelivered_user as $_user_id => $ary)
575
        {
576
                if ($_user_id == $user_id)
577
                {
578
                        continue;
579
                }
580
581
                $sql = 'UPDATE ' . USERS_TABLE . '
582
                        SET user_new_privmsg = user_new_privmsg - ' . sizeof($ary) . ',
583
                                user_unread_privmsg = user_unread_privmsg - ' . sizeof($ary) . '
584
                        WHERE user_id = ' . $_user_id;
585
                $db->sql_query($sql);
586
        }
587
588
        $db->sql_transaction('commit');
589
590
        // Reset newest user info if appropriate
591
        if ($config['newest_user_id'] == $user_id)
592
        {
593
                update_last_username();
594
        }
595
596
        // Decrement number of users if this user is active
597
        if ($user_row['user_type'] != USER_INACTIVE && $user_row['user_type'] != USER_IGNORE)
598
        {
599
                set_config_count('num_users', -1, true);
600
        }
601
602
        return false;
603
}
604
605
/**
606
* Flips user_type from active to inactive and vice versa, handles group membership updates
607
*
608
* @param string $mode can be flip for flipping from active/inactive, activate or deactivate
609
*/
610
function user_active_flip($mode, $user_id_ary, $reason = INACTIVE_MANUAL)
611
{
612
        global $config, $db, $user, $auth;
613
614
        $deactivated = $activated = 0;
615
        $sql_statements = array();
616
617
        if (!is_array($user_id_ary))
618
        {
619
                $user_id_ary = array($user_id_ary);
620
        }
621
622
        if (!sizeof($user_id_ary))
623
        {
624
                return;
625
        }
626
627
        $sql = 'SELECT user_id, group_id, user_type, user_inactive_reason
628
                FROM ' . USERS_TABLE . '
629
                WHERE ' . $db->sql_in_set('user_id', $user_id_ary);
630
        $result = $db->sql_query($sql);
631
632
        while ($row = $db->sql_fetchrow($result))
633
        {
634
                $sql_ary = array();
635
636
                if ($row['user_type'] == USER_IGNORE || $row['user_type'] == USER_FOUNDER ||
637
                        ($mode == 'activate' && $row['user_type'] != USER_INACTIVE) ||
638
                        ($mode == 'deactivate' && $row['user_type'] == USER_INACTIVE))
639
                {
640
                        continue;
641
                }
642
643
                if ($row['user_type'] == USER_INACTIVE)
644
                {
645
                        $activated++;
646
                }
647
                else
648
                {
649
                        $deactivated++;
650
651
                        // Remove the users session key...
652
                        $user->reset_login_keys($row['user_id']);
653
                }
654
655
                $sql_ary += array(
656
                        'user_type'                                => ($row['user_type'] == USER_NORMAL) ? USER_INACTIVE : USER_NORMAL,
657
                        'user_inactive_time'        => ($row['user_type'] == USER_NORMAL) ? time() : 0,
658
                        'user_inactive_reason'        => ($row['user_type'] == USER_NORMAL) ? $reason : 0,
659
                );
660
661
                $sql_statements[$row['user_id']] = $sql_ary;
662
        }
663
        $db->sql_freeresult($result);
664
665
        if (sizeof($sql_statements))
666
        {
667
                foreach ($sql_statements as $user_id => $sql_ary)
668
                {
669
                        $sql = 'UPDATE ' . USERS_TABLE . '
670
                                SET ' . $db->sql_build_array('UPDATE', $sql_ary) . '
671
                                WHERE user_id = ' . $user_id;
672
                        $db->sql_query($sql);
673
                }
674
675
                $auth->acl_clear_prefetch(array_keys($sql_statements));
676
        }
677
678
        if ($deactivated)
679
        {
680
                set_config_count('num_users', $deactivated * (-1), true);
681
        }
682
683
        if ($activated)
684
        {
685
                set_config_count('num_users', $activated, true);
686
        }
687
688
        // Update latest username
689
        update_last_username();
690
}
691
692
/**
693
* Add a ban or ban exclusion to the banlist. Bans either a user, an IP or an email address
694
*
695
* @param string $mode Type of ban. One of the following: user, ip, email
696
* @param mixed $ban Banned entity. Either string or array with usernames, ips or email addresses
697
* @param int $ban_len Ban length in minutes
698
* @param string $ban_len_other Ban length as a date (YYYY-MM-DD)
699
* @param boolean $ban_exclude Exclude these entities from banning?
700
* @param string $ban_reason String describing the reason for this ban
701
* @return boolean
702
*/
703
function user_ban($mode, $ban, $ban_len, $ban_len_other, $ban_exclude, $ban_reason, $ban_give_reason = '')
704
{
705
        global $db, $user, $auth, $cache;
706
707
        // Delete stale bans
708
        $sql = 'DELETE FROM ' . BANLIST_TABLE . '
709
                WHERE ban_end < ' . time() . '
710
                        AND ban_end <> 0';
711
        $db->sql_query($sql);
712
713
        $ban_list = (!is_array($ban)) ? array_unique(explode("\n", $ban)) : $ban;
714
        $ban_list_log = implode(', ', $ban_list);
715
716
        $current_time = time();
717
718
        // Set $ban_end to the unix time when the ban should end. 0 is a permanent ban.
719
        if ($ban_len)
720
        {
721
                if ($ban_len != -1 || !$ban_len_other)
722
                {
723
                        $ban_end = max($current_time, $current_time + ($ban_len) * 60);
724
                }
725
                else
726
                {
727
                        $ban_other = explode('-', $ban_len_other);
728
                        if (sizeof($ban_other) == 3 && ((int)$ban_other[0] < 9999) &&
729
                                (strlen($ban_other[0]) == 4) && (strlen($ban_other[1]) == 2) && (strlen($ban_other[2]) == 2))
730
                        {
731
                                $time_offset = (isset($user->timezone) && isset($user->dst)) ? (int) $user->timezone + (int) $user->dst : 0;
732
                                $ban_end = max($current_time, gmmktime(0, 0, 0, (int)$ban_other[1], (int)$ban_other[2], (int)$ban_other[0]) - $time_offset);
733
                        }
734
                        else
735
                        {
736
                                trigger_error('LENGTH_BAN_INVALID', E_USER_WARNING);
737
                        }
738
                }
739
        }
740
        else
741
        {
742
                $ban_end = 0;
743
        }
744
745
        $founder = $founder_names = array();
746
747
        if (!$ban_exclude)
748
        {
749
                // Create a list of founder...
750
                $sql = 'SELECT user_id, user_email, username_clean
751
                        FROM ' . USERS_TABLE . '
752
                        WHERE user_type = ' . USER_FOUNDER;
753
                $result = $db->sql_query($sql);
754
755
                while ($row = $db->sql_fetchrow($result))
756
                {
757
                        $founder[$row['user_id']] = $row['user_email'];
758
                        $founder_names[$row['user_id']] = $row['username_clean'];
759
                }
760
                $db->sql_freeresult($result);
761
        }
762
763
        $banlist_ary = array();
764
765
        switch ($mode)
766
        {
767
                case 'user':
768
                        $type = 'ban_userid';
769
770
                        // At the moment we do not support wildcard username banning
771
772
                        // Select the relevant user_ids.
773
                        $sql_usernames = array();
774
775
                        foreach ($ban_list as $username)
776
                        {
777
                                $username = trim($username);
778
                                if ($username != '')
779
                                {
780
                                        $clean_name = utf8_clean_string($username);
781
                                        if ($clean_name == $user->data['username_clean'])
782
                                        {
783
                                                trigger_error('CANNOT_BAN_YOURSELF', E_USER_WARNING);
784
                                        }
785
                                        if (in_array($clean_name, $founder_names))
786
                                        {
787
                                                trigger_error('CANNOT_BAN_FOUNDER', E_USER_WARNING);
788
                                        }
789
                                        $sql_usernames[] = $clean_name;
790
                                }
791
                        }
792
793
                        // Make sure we have been given someone to ban
794
                        if (!sizeof($sql_usernames))
795
                        {
796
                                trigger_error('NO_USER_SPECIFIED', E_USER_WARNING);
797
                        }
798
799
                        $sql = 'SELECT user_id
800
                                FROM ' . USERS_TABLE . '
801
                                WHERE ' . $db->sql_in_set('username_clean', $sql_usernames);
802
803
                        // Do not allow banning yourself, the guest account, or founders.
804
                        $non_bannable = array($user->data['user_id'], ANONYMOUS);
805
                        if (sizeof($founder))
806
                        {
807
                                $sql .= ' AND ' . $db->sql_in_set('user_id', array_merge(array_keys($founder), $non_bannable), true);
808
                        }
809
                        else
810
                        {
811
                                $sql .= ' AND ' . $db->sql_in_set('user_id', $non_bannable, true);
812
                        }
813
814
                        $result = $db->sql_query($sql);
815
816
                        if ($row = $db->sql_fetchrow($result))
817
                        {
818
                                do
819
                                {
820
                                        $banlist_ary[] = (int) $row['user_id'];
821
                                }
822
                                while ($row = $db->sql_fetchrow($result));
823
                        }
824
                        else
825
                        {
826
                                $db->sql_freeresult($result);
827
                                trigger_error('NO_USERS', E_USER_WARNING);
828
                        }
829
                        $db->sql_freeresult($result);
830
                break;
831
832
                case 'ip':
833
                        $type = 'ban_ip';
834
835
                        foreach ($ban_list as $ban_item)
836
                        {
837
                                if (preg_match('#^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})[ ]*\-[ ]*([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$#', trim($ban_item), $ip_range_explode))
838
                                {
839
                                        // This is an IP range
840
                                        // Don't ask about all this, just don't ask ... !
841
                                        $ip_1_counter = $ip_range_explode[1];
842
                                        $ip_1_end = $ip_range_explode[5];
843
844
                                        while ($ip_1_counter <= $ip_1_end)
845
                                        {
846
                                                $ip_2_counter = ($ip_1_counter == $ip_range_explode[1]) ? $ip_range_explode[2] : 0;
847
                                                $ip_2_end = ($ip_1_counter < $ip_1_end) ? 254 : $ip_range_explode[6];
848
849
                                                if ($ip_2_counter == 0 && $ip_2_end == 254)
850
                                                {
851
                                                        $ip_2_counter = 256;
852
                                                        $ip_2_fragment = 256;
853
854
                                                        $banlist_ary[] = "$ip_1_counter.*";
855
                                                }
856
857
                                                while ($ip_2_counter <= $ip_2_end)
858
                                                {
859
                                                        $ip_3_counter = ($ip_2_counter == $ip_range_explode[2] && $ip_1_counter == $ip_range_explode[1]) ? $ip_range_explode[3] : 0;
860
                                                        $ip_3_end = ($ip_2_counter < $ip_2_end || $ip_1_counter < $ip_1_end) ? 254 : $ip_range_explode[7];
861
862
                                                        if ($ip_3_counter == 0 && $ip_3_end == 254)
863
                                                        {
864
                                                                $ip_3_counter = 256;
865
                                                                $ip_3_fragment = 256;
866
867
                                                                $banlist_ary[] = "$ip_1_counter.$ip_2_counter.*";
868
                                                        }
869
870
                                                        while ($ip_3_counter <= $ip_3_end)
871
                                                        {
872
                                                                $ip_4_counter = ($ip_3_counter == $ip_range_explode[3] && $ip_2_counter == $ip_range_explode[2] && $ip_1_counter == $ip_range_explode[1]) ? $ip_range_explode[4] : 0;
873
                                                                $ip_4_end = ($ip_3_counter < $ip_3_end || $ip_2_counter < $ip_2_end) ? 254 : $ip_range_explode[8];
874
875
                                                                if ($ip_4_counter == 0 && $ip_4_end == 254)
876
                                                                {
877
                                                                        $ip_4_counter = 256;
878
                                                                        $ip_4_fragment = 256;
879
880
                                                                        $banlist_ary[] = "$ip_1_counter.$ip_2_counter.$ip_3_counter.*";
881
                                                                }
882
883
                                                                while ($ip_4_counter <= $ip_4_end)
884
                                                                {
885
                                                                        $banlist_ary[] = "$ip_1_counter.$ip_2_counter.$ip_3_counter.$ip_4_counter";
886
                                                                        $ip_4_counter++;
887
                                                                }
888
                                                                $ip_3_counter++;
889
                                                        }
890
                                                        $ip_2_counter++;
891
                                                }
892
                                                $ip_1_counter++;
893
                                        }
894
                                }
895
                                else if (preg_match('#^([0-9]{1,3})\.([0-9\*]{1,3})\.([0-9\*]{1,3})\.([0-9\*]{1,3})$#', trim($ban_item)) || preg_match('#^[a-f0-9:]+\*?$#i', trim($ban_item)))
896
                                {
897
                                        // Normal IP address
898
                                        $banlist_ary[] = trim($ban_item);
899
                                }
900
                                else if (preg_match('#^\*$#', trim($ban_item)))
901
                                {
902
                                        // Ban all IPs
903
                                        $banlist_ary[] = '*';
904
                                }
905
                                else if (preg_match('#^([\w\-_]\.?){2,}$#is', trim($ban_item)))
906
                                {
907
                                        // hostname
908
                                        $ip_ary = gethostbynamel(trim($ban_item));
909
910
                                        if (!empty($ip_ary))
911
                                        {
912
                                                foreach ($ip_ary as $ip)
913
                                                {
914
                                                        if ($ip)
915
                                                        {
916
                                                                if (strlen($ip) > 40)
917
                                                                {
918
                                                                        continue;
919
                                                                }
920
921
                                                                $banlist_ary[] = $ip;
922
                                                        }
923
                                                }
924
                                        }
925
                                }
926
927
                                if (empty($banlist_ary))
928
                                {
929
                                        trigger_error('NO_IPS_DEFINED', E_USER_WARNING);
930
                                }
931
                        }
932
                break;
933
934
                case 'email':
935
                        $type = 'ban_email';
936
937
                        foreach ($ban_list as $ban_item)
938
                        {
939
                                $ban_item = trim($ban_item);
940
941
                                if (preg_match('#^.*?@*|(([a-z0-9\-]+\.)+([a-z]{2,3}))$#i', $ban_item))
942
                                {
943
                                        if (strlen($ban_item) > 100)
944
                                        {
945
                                                continue;
946
                                        }
947
948
                                        if (!sizeof($founder) || !in_array($ban_item, $founder))
949
                                        {
950
                                                $banlist_ary[] = $ban_item;
951
                                        }
952
                                }
953
                        }
954
955
                        if (sizeof($ban_list) == 0)
956
                        {
957
                                trigger_error('NO_EMAILS_DEFINED', E_USER_WARNING);
958
                        }
959
                break;
960
961
                default:
962
                        trigger_error('NO_MODE', E_USER_WARNING);
963
                break;
964
        }
965
966
        // Fetch currently set bans of the specified type and exclude state. Prevent duplicate bans.
967
        $sql_where = ($type == 'ban_userid') ? 'ban_userid <> 0' : "$type <> ''";
968
969
        $sql = "SELECT $type
970
                FROM " . BANLIST_TABLE . "
971
                WHERE $sql_where
972
                        AND ban_exclude = " . (int) $ban_exclude;
973
        $result = $db->sql_query($sql);
974
975
        // Reset $sql_where, because we use it later...
976
        $sql_where = '';
977
978
        if ($row = $db->sql_fetchrow($result))
979
        {
980
                $banlist_ary_tmp = array();
981
                do
982
                {
983
                        switch ($mode)
984
                        {
985
                                case 'user':
986
                                        $banlist_ary_tmp[] = $row['ban_userid'];
987
                                break;
988
989
                                case 'ip':
990
                                        $banlist_ary_tmp[] = $row['ban_ip'];
991
                                break;
992
993
                                case 'email':
994
                                        $banlist_ary_tmp[] = $row['ban_email'];
995
                                break;
996
                        }
997
                }
998
                while ($row = $db->sql_fetchrow($result));
999
1000
                $banlist_ary_tmp = array_intersect($banlist_ary, $banlist_ary_tmp);
1001
1002
                if (sizeof($banlist_ary_tmp))
1003
                {
1004
                        // One or more entities are already banned/excluded, delete the existing bans, so they can be re-inserted with the given new length
1005
                        $sql = 'DELETE FROM ' . BANLIST_TABLE . '
1006
                                WHERE ' . $db->sql_in_set($type, $banlist_ary_tmp) . '
1007
                                        AND ban_exclude = ' . (int) $ban_exclude;
1008
                        $db->sql_query($sql);
1009
                }
1010
1011
                unset($banlist_ary_tmp);
1012
        }
1013
        $db->sql_freeresult($result);
1014
1015
        // We have some entities to ban
1016
        if (sizeof($banlist_ary))
1017
        {
1018
                $sql_ary = array();
1019
1020
                foreach ($banlist_ary as $ban_entry)
1021
                {
1022
                        $sql_ary[] = array(
1023
                                $type                                => $ban_entry,
1024
                                'ban_start'                        => (int) $current_time,
1025
                                'ban_end'                        => (int) $ban_end,
1026
                                'ban_exclude'                => (int) $ban_exclude,
1027
                                'ban_reason'                => (string) $ban_reason,
1028
                                'ban_give_reason'        => (string) $ban_give_reason,
1029
                        );
1030
                }
1031
1032
                $db->sql_multi_insert(BANLIST_TABLE, $sql_ary);
1033
1034
                // If we are banning we want to logout anyone matching the ban
1035
                if (!$ban_exclude)
1036
                {
1037
                        switch ($mode)
1038
                        {
1039
                                case 'user':
1040
                                        $sql_where = 'WHERE ' . $db->sql_in_set('session_user_id', $banlist_ary);
1041
                                break;
1042
1043
                                case 'ip':
1044
                                        $sql_where = 'WHERE ' . $db->sql_in_set('session_ip', $banlist_ary);
1045
                                break;
1046
1047
                                case 'email':
1048
                                        $banlist_ary_sql = array();
1049
1050
                                        foreach ($banlist_ary as $ban_entry)
1051
                                        {
1052
                                                $banlist_ary_sql[] = (string) str_replace('*', '%', $ban_entry);
1053
                                        }
1054
1055
                                        $sql = 'SELECT user_id
1056
                                                FROM ' . USERS_TABLE . '
1057
                                                WHERE ' . $db->sql_in_set('user_email', $banlist_ary_sql);
1058
                                        $result = $db->sql_query($sql);
1059
1060
                                        $sql_in = array();
1061
1062
                                        if ($row = $db->sql_fetchrow($result))
1063
                                        {
1064
                                                do
1065
                                                {
1066
                                                        $sql_in[] = $row['user_id'];
1067
                                                }
1068
                                                while ($row = $db->sql_fetchrow($result));
1069
1070
                                                $sql_where = 'WHERE ' . $db->sql_in_set('session_user_id', $sql_in);
1071
                                        }
1072
                                        $db->sql_freeresult($result);
1073
                                break;
1074
                        }
1075
1076
                        if (isset($sql_where) && $sql_where)
1077
                        {
1078
                                $sql = 'DELETE FROM ' . SESSIONS_TABLE . "
1079
                                        $sql_where";
1080
                                $db->sql_query($sql);
1081
1082
                                if ($mode == 'user')
1083
                                {
1084
                                        $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . ' ' . ((in_array('*', $banlist_ary)) ? '' : 'WHERE ' . $db->sql_in_set('user_id', $banlist_ary));
1085
                                        $db->sql_query($sql);
1086
                                }
1087
                        }
1088
                }
1089
1090
                // Update log
1091
                $log_entry = ($ban_exclude) ? 'LOG_BAN_EXCLUDE_' : 'LOG_BAN_';
1092
1093
                // Add to moderator log, admin log and user notes
1094
                add_log('admin', $log_entry . strtoupper($mode), $ban_reason, $ban_list_log);
1095
                add_log('mod', 0, 0, $log_entry . strtoupper($mode), $ban_reason, $ban_list_log);
1096
                if ($mode == 'user')
1097
                {
1098
                        foreach ($banlist_ary as $user_id)
1099
                        {
1100
                                add_log('user', $user_id, $log_entry . strtoupper($mode), $ban_reason, $ban_list_log);
1101
                        }
1102
                }
1103
1104
                $cache->destroy('sql', BANLIST_TABLE);
1105
1106
                return true;
1107
        }
1108
1109
        // There was nothing to ban/exclude. But destroying the cache because of the removal of stale bans.
1110
        $cache->destroy('sql', BANLIST_TABLE);
1111
1112
        return false;
1113
}
1114
1115
/**
1116
* Unban User
1117
*/
1118
function user_unban($mode, $ban)
1119
{
1120
        global $db, $user, $auth, $cache;
1121
1122
        // Delete stale bans
1123
        $sql = 'DELETE FROM ' . BANLIST_TABLE . '
1124
                WHERE ban_end < ' . time() . '
1125
                        AND ban_end <> 0';
1126
        $db->sql_query($sql);
1127
1128
        if (!is_array($ban))
1129
        {
1130
                $ban = array($ban);
1131
        }
1132
1133
        $unban_sql = array_map('intval', $ban);
1134
1135
        if (sizeof($unban_sql))
1136
        {
1137
                // Grab details of bans for logging information later
1138
                switch ($mode)
1139
                {
1140
                        case 'user':
1141
                                $sql = 'SELECT u.username AS unban_info, u.user_id
1142
                                        FROM ' . USERS_TABLE . ' u, ' . BANLIST_TABLE . ' b
1143
                                        WHERE ' . $db->sql_in_set('b.ban_id', $unban_sql) . '
1144
                                                AND u.user_id = b.ban_userid';
1145
                        break;
1146
1147
                        case 'email':
1148
                                $sql = 'SELECT ban_email AS unban_info
1149
                                        FROM ' . BANLIST_TABLE . '
1150
                                        WHERE ' . $db->sql_in_set('ban_id', $unban_sql);
1151
                        break;
1152
1153
                        case 'ip':
1154
                                $sql = 'SELECT ban_ip AS unban_info
1155
                                        FROM ' . BANLIST_TABLE . '
1156
                                        WHERE ' . $db->sql_in_set('ban_id', $unban_sql);
1157
                        break;
1158
                }
1159
                $result = $db->sql_query($sql);
1160
1161
                $l_unban_list = '';
1162
                $user_ids_ary = array();
1163
                while ($row = $db->sql_fetchrow($result))
1164
                {
1165
                        $l_unban_list .= (($l_unban_list != '') ? ', ' : '') . $row['unban_info'];
1166
                        if ($mode == 'user')
1167
                        {
1168
                                $user_ids_ary[] = $row['user_id'];
1169
                        }
1170
                }
1171
                $db->sql_freeresult($result);
1172
1173
                $sql = 'DELETE FROM ' . BANLIST_TABLE . '
1174
                        WHERE ' . $db->sql_in_set('ban_id', $unban_sql);
1175
                $db->sql_query($sql);
1176
1177
                // Add to moderator log, admin log and user notes
1178
                add_log('admin', 'LOG_UNBAN_' . strtoupper($mode), $l_unban_list);
1179
                add_log('mod', 0, 0, 'LOG_UNBAN_' . strtoupper($mode), $l_unban_list);
1180
                if ($mode == 'user')
1181
                {
1182
                        foreach ($user_ids_ary as $user_id)
1183
                        {
1184
                                add_log('user', $user_id, 'LOG_UNBAN_' . strtoupper($mode), $l_unban_list);
1185
                        }
1186
                }
1187
        }
1188
1189
        $cache->destroy('sql', BANLIST_TABLE);
1190
1191
        return false;
1192
}
1193
1194
/**
1195
* Internet Protocol Address Whois
1196
* RFC3912: WHOIS Protocol Specification
1197
*
1198
* @param string $ip                Ip address, either IPv4 or IPv6.
1199
*
1200
* @return string                Empty string if not a valid ip address.
1201
*                                                Otherwise make_clickable()'ed whois result.
1202
*/
1203
function user_ipwhois($ip)
1204
{
1205
        if (empty($ip))
1206
        {
1207
                return '';
1208
        }
1209
1210
        if (preg_match(get_preg_expression('ipv4'), $ip))
1211
        {
1212
                // IPv4 address
1213
                $whois_host = 'whois.arin.net.';
1214
        }
1215
        else if (preg_match(get_preg_expression('ipv6'), $ip))
1216
        {
1217
                // IPv6 address
1218
                $whois_host = 'whois.sixxs.net.';
1219
        }
1220
        else
1221
        {
1222
                return '';
1223
        }
1224
1225
        $ipwhois = '';
1226
1227
        if (($fsk = @fsockopen($whois_host, 43)))
1228
        {
1229
                // CRLF as per RFC3912
1230
                fputs($fsk, "$ip\r\n");
1231
                while (!feof($fsk))
1232
                {
1233
                        $ipwhois .= fgets($fsk, 1024);
1234
                }
1235
                @fclose($fsk);
1236
        }
1237
1238
        $match = array();
1239
1240
        // Test for referrals from $whois_host to other whois databases, roll on rwhois
1241
        if (preg_match('#ReferralServer: whois://(.+)#im', $ipwhois, $match))
1242
        {
1243
                if (strpos($match[1], ':') !== false)
1244
                {
1245
                        $pos        = strrpos($match[1], ':');
1246
                        $server        = substr($match[1], 0, $pos);
1247
                        $port        = (int) substr($match[1], $pos + 1);
1248
                        unset($pos);
1249
                }
1250
                else
1251
                {
1252
                        $server        = $match[1];
1253
                        $port        = 43;
1254
                }
1255
1256
                $buffer = '';
1257
1258
                if (($fsk = @fsockopen($server, $port)))
1259
                {
1260
                        fputs($fsk, "$ip\r\n");
1261
                        while (!feof($fsk))
1262
                        {
1263
                                $buffer .= fgets($fsk, 1024);
1264
                        }
1265
                        @fclose($fsk);
1266
                }
1267
1268
                // Use the result from $whois_host if we don't get any result here
1269
                $ipwhois = (empty($buffer)) ? $ipwhois : $buffer;
1270
        }
1271
1272
        $ipwhois = htmlspecialchars($ipwhois);
1273
1274
        // Magic URL ;)
1275
        return trim(make_clickable($ipwhois, false, ''));
1276
}
1277
1278
/**
1279
* Data validation ... used primarily but not exclusively by ucp modules
1280
*
1281
* "Master" function for validating a range of data types
1282
*/
1283
function validate_data($data, $val_ary)
1284
{
1285
        global $user;
1286
1287
        $error = array();
1288
1289
        foreach ($val_ary as $var => $val_seq)
1290
        {
1291
                if (!is_array($val_seq[0]))
1292
                {
1293
                        $val_seq = array($val_seq);
1294
                }
1295
1296
                foreach ($val_seq as $validate)
1297
                {
1298
                        $function = array_shift($validate);
1299
                        array_unshift($validate, $data[$var]);
1300
1301
                        if ($result = call_user_func_array('validate_' . $function, $validate))
1302
                        {
1303
                                // Since errors are checked later for their language file existence, we need to make sure custom errors are not adjusted.
1304
                                $error[] = (empty($user->lang[$result . '_' . strtoupper($var)])) ? $result : $result . '_' . strtoupper($var);
1305
                        }
1306
                }
1307
        }
1308
1309
        return $error;
1310
}
1311
1312
/**
1313
* Validate String
1314
*
1315
* @return        boolean|string        Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1316
*/
1317
function validate_string($string, $optional = false, $min = 0, $max = 0)
1318
{
1319
        if (empty($string) && $optional)
1320
        {
1321
                return false;
1322
        }
1323
1324
        if ($min && utf8_strlen(htmlspecialchars_decode($string)) < $min)
1325
        {
1326
                return 'TOO_SHORT';
1327
        }
1328
        else if ($max && utf8_strlen(htmlspecialchars_decode($string)) > $max)
1329
        {
1330
                return 'TOO_LONG';
1331
        }
1332
1333
        return false;
1334
}
1335
1336
/**
1337
* Validate Number
1338
*
1339
* @return        boolean|string        Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1340
*/
1341
function validate_num($num, $optional = false, $min = 0, $max = 1E99)
1342
{
1343
        if (empty($num) && $optional)
1344
        {
1345
                return false;
1346
        }
1347
1348
        if ($num < $min)
1349
        {
1350
                return 'TOO_SMALL';
1351
        }
1352
        else if ($num > $max)
1353
        {
1354
                return 'TOO_LARGE';
1355
        }
1356
1357
        return false;
1358
}
1359
1360
/**
1361
* Validate Date
1362
* @param String $string a date in the dd-mm-yyyy format
1363
* @return        boolean
1364
*/
1365
function validate_date($date_string, $optional = false)
1366
{
1367
        $date = explode('-', $date_string);
1368
        if ((empty($date) || sizeof($date) != 3) && $optional)
1369
        {
1370
                return false;
1371
        }
1372
        else if ($optional)
1373
        {
1374
                for ($field = 0; $field <= 1; $field++)
1375
                {
1376
                        $date[$field] = (int) $date[$field];
1377
                        if (empty($date[$field]))
1378
                        {
1379
                                $date[$field] = 1;
1380
                        }
1381
                }
1382
                $date[2] = (int) $date[2];
1383
                // assume an arbitrary leap year
1384
                if (empty($date[2]))
1385
                {
1386
                        $date[2] = 1980;
1387
                }
1388
        }
1389
1390
        if (sizeof($date) != 3 || !checkdate($date[1], $date[0], $date[2]))
1391
        {
1392
                return 'INVALID';
1393
        }
1394
1395
        return false;
1396
}
1397
1398
1399
/**
1400
* Validate Match
1401
*
1402
* @return        boolean|string        Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1403
*/
1404
function validate_match($string, $optional = false, $match = '')
1405
{
1406
        if (empty($string) && $optional)
1407
        {
1408
                return false;
1409
        }
1410
1411
        if (empty($match))
1412
        {
1413
                return false;
1414
        }
1415
1416
        if (!preg_match($match, $string))
1417
        {
1418
                return 'WRONG_DATA';
1419
        }
1420
1421
        return false;
1422
}
1423
1424
/**
1425
* Validate Language Pack ISO Name
1426
*
1427
* Tests whether a language name is valid and installed
1428
*
1429
* @param string $lang_iso        The language string to test
1430
*
1431
* @return bool|string                Either false if validation succeeded or
1432
*                                                        a string which will be used as the error message
1433
*                                                        (with the variable name appended)
1434
*/
1435
function validate_language_iso_name($lang_iso)
1436
{
1437
        global $db;
1438
1439
        $sql = 'SELECT lang_id
1440
                FROM ' . LANG_TABLE . "
1441
                WHERE lang_iso = '" . $db->sql_escape($lang_iso) . "'";
1442
        $result = $db->sql_query($sql);
1443
        $lang_id = (int) $db->sql_fetchfield('lang_id');
1444
        $db->sql_freeresult($result);
1445
1446
        return ($lang_id) ? false : 'WRONG_DATA';
1447
}
1448
1449
/**
1450
* Check to see if the username has been taken, or if it is disallowed.
1451
* Also checks if it includes the " character, which we don't allow in usernames.
1452
* Used for registering, changing names, and posting anonymously with a username
1453
*
1454
* @param string $username The username to check
1455
* @param string $allowed_username An allowed username, default being $user->data['username']
1456
*
1457
* @return        mixed        Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1458
*/
1459
function validate_username($username, $allowed_username = false)
1460
{
1461
        global $config, $db, $user, $cache;
1462
1463
        $clean_username = utf8_clean_string($username);
1464
        $allowed_username = ($allowed_username === false) ? $user->data['username_clean'] : utf8_clean_string($allowed_username);
1465
1466
        if ($allowed_username == $clean_username)
1467
        {
1468
                return false;
1469
        }
1470
1471
        // ... fast checks first.
1472
        if (strpos($username, '&quot;') !== false || strpos($username, '"') !== false || empty($clean_username))
1473
        {
1474
                return 'INVALID_CHARS';
1475
        }
1476
1477
        $mbstring = $pcre = false;
1478
1479
        // generic UTF-8 character types supported?
1480
        if ((version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) && @preg_match('/\p{L}/u', 'a') !== false)
1481
        {
1482
                $pcre = true;
1483
        }
1484
        else if (function_exists('mb_ereg_match'))
1485
        {
1486
                mb_regex_encoding('UTF-8');
1487
                $mbstring = true;
1488
        }
1489
1490
        switch ($config['allow_name_chars'])
1491
        {
1492
                case 'USERNAME_CHARS_ANY':
1493
                        $pcre = true;
1494
                        $regex = '.+';
1495
                break;
1496
1497
                case 'USERNAME_ALPHA_ONLY':
1498
                        $pcre = true;
1499
                        $regex = '[A-Za-z0-9]+';
1500
                break;
1501
1502
                case 'USERNAME_ALPHA_SPACERS':
1503
                        $pcre = true;
1504
                        $regex = '[A-Za-z0-9-[\]_+ ]+';
1505
                break;
1506
1507
                case 'USERNAME_LETTER_NUM':
1508
                        if ($pcre)
1509
                        {
1510
                                $regex = '[\p{Lu}\p{Ll}\p{N}]+';
1511
                        }
1512
                        else if ($mbstring)
1513
                        {
1514
                                $regex = '[[:upper:][:lower:][:digit:]]+';
1515
                        }
1516
                        else
1517
                        {
1518
                                $pcre = true;
1519
                                $regex = '[a-zA-Z0-9]+';
1520
                        }
1521
                break;
1522
1523
                case 'USERNAME_LETTER_NUM_SPACERS':
1524
                        if ($pcre)
1525
                        {
1526
                                $regex = '[-\]_+ [\p{Lu}\p{Ll}\p{N}]+';
1527
                        }
1528
                        else if ($mbstring)
1529
                        {
1530
                                $regex = '[-\]_+ \[[:upper:][:lower:][:digit:]]+';
1531
                        }
1532
                        else
1533
                        {
1534
                                $pcre = true;
1535
                                $regex = '[-\]_+ [a-zA-Z0-9]+';
1536
                        }
1537
                break;
1538
1539
                case 'USERNAME_ASCII':
1540
                default:
1541
                        $pcre = true;
1542
                        $regex = '[\x01-\x7F]+';
1543
                break;
1544
        }
1545
1546
        if ($pcre)
1547
        {
1548
                if (!preg_match('#^' . $regex . '$#u', $username))
1549
                {
1550
                        return 'INVALID_CHARS';
1551
                }
1552
        }
1553
        else if ($mbstring)
1554
        {
1555
                mb_ereg_search_init($username, '^' . $regex . '$');
1556
                if (!mb_ereg_search())
1557
                {
1558
                        return 'INVALID_CHARS';
1559
                }
1560
        }
1561
1562
        $sql = 'SELECT username
1563
                FROM ' . USERS_TABLE . "
1564
                WHERE username_clean = '" . $db->sql_escape($clean_username) . "'";
1565
        $result = $db->sql_query($sql);
1566
        $row = $db->sql_fetchrow($result);
1567
        $db->sql_freeresult($result);
1568
1569
        if ($row)
1570
        {
1571
                return 'USERNAME_TAKEN';
1572
        }
1573
1574
        $sql = 'SELECT group_name
1575
                FROM ' . GROUPS_TABLE . "
1576
                WHERE LOWER(group_name) = '" . $db->sql_escape(utf8_strtolower($username)) . "'";
1577
        $result = $db->sql_query($sql);
1578
        $row = $db->sql_fetchrow($result);
1579
        $db->sql_freeresult($result);
1580
1581
        if ($row)
1582
        {
1583
                return 'USERNAME_TAKEN';
1584
        }
1585
1586
        $bad_usernames = $cache->obtain_disallowed_usernames();
1587
1588
        foreach ($bad_usernames as $bad_username)
1589
        {
1590
                if (preg_match('#^' . $bad_username . '$#', $clean_username))
1591
                {
1592
                        return 'USERNAME_DISALLOWED';
1593
                }
1594
        }
1595
1596
        return false;
1597
}
1598
1599
/**
1600
* Check to see if the password meets the complexity settings
1601
*
1602
* @return        boolean|string        Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1603
*/
1604
function validate_password($password)
1605
{
1606
        global $config, $db, $user;
1607
1608
        if ($password === '' || $config['pass_complex'] === 'PASS_TYPE_ANY')
1609
        {
1610
                // Password empty or no password complexity required.
1611
                return false;
1612
        }
1613
1614
        $pcre = $mbstring = false;
1615
1616
        // generic UTF-8 character types supported?
1617
        if ((version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) && @preg_match('/\p{L}/u', 'a') !== false)
1618
        {
1619
                $upp = '\p{Lu}';
1620
                $low = '\p{Ll}';
1621
                $num = '\p{N}';
1622
                $sym = '[^\p{Lu}\p{Ll}\p{N}]';
1623
                $pcre = true;
1624
        }
1625
        else if (function_exists('mb_ereg_match'))
1626
        {
1627
                mb_regex_encoding('UTF-8');
1628
                $upp = '[[:upper:]]';
1629
                $low = '[[:lower:]]';
1630
                $num = '[[:digit:]]';
1631
                $sym = '[^[:upper:][:lower:][:digit:]]';
1632
                $mbstring = true;
1633
        }
1634
        else
1635
        {
1636
                $upp = '[A-Z]';
1637
                $low = '[a-z]';
1638
                $num = '[0-9]';
1639
                $sym = '[^A-Za-z0-9]';
1640
                $pcre = true;
1641
        }
1642
1643
        $chars = array();
1644
1645
        switch ($config['pass_complex'])
1646
        {
1647
                // No break statements below ...
1648
                // We require strong passwords in case pass_complex is not set or is invalid
1649
                default:
1650
1651
                // Require mixed case letters, numbers and symbols
1652
                case 'PASS_TYPE_SYMBOL':
1653
                        $chars[] = $sym;
1654
1655
                // Require mixed case letters and numbers
1656
                case 'PASS_TYPE_ALPHA':
1657
                        $chars[] = $num;
1658
1659
                // Require mixed case letters
1660
                case 'PASS_TYPE_CASE':
1661
                        $chars[] = $low;
1662
                        $chars[] = $upp;
1663
        }
1664
1665
        if ($pcre)
1666
        {
1667
                foreach ($chars as $char)
1668
                {
1669
                        if (!preg_match('#' . $char . '#u', $password))
1670
                        {
1671
                                return 'INVALID_CHARS';
1672
                        }
1673
                }
1674
        }
1675
        else if ($mbstring)
1676
        {
1677
                foreach ($chars as $char)
1678
                {
1679
                        if (mb_ereg($char, $password) === false)
1680
                        {
1681
                                return 'INVALID_CHARS';
1682
                        }
1683
                }
1684
        }
1685
1686
        return false;
1687
}
1688
1689
/**
1690
* Check to see if email address is banned or already present in the DB
1691
*
1692
* @param string $email The email to check
1693
* @param string $allowed_email An allowed email, default being $user->data['user_email']
1694
*
1695
* @return mixed Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
1696
*/
1697
function validate_email($email, $allowed_email = false)
1698
{
1699
        global $config, $db, $user;
1700
1701
        $email = strtolower($email);
1702
        $allowed_email = ($allowed_email === false) ? strtolower($user->data['user_email']) : strtolower($allowed_email);
1703
1704
        if ($allowed_email == $email)
1705
        {
1706
                return false;
1707
        }
1708
1709
        if (!preg_match('/^' . get_preg_expression('email') . '$/i', $email))
1710
        {
1711
                return 'EMAIL_INVALID';
1712
        }
1713
1714
        // Check MX record.
1715
        // The idea for this is from reading the UseBB blog/announcement. :)
1716
        if ($config['email_check_mx'])
1717
        {
1718
                list(, $domain) = explode('@', $email);
1719
1720
                if (phpbb_checkdnsrr($domain, 'A') === false && phpbb_checkdnsrr($domain, 'MX') === false)
1721
                {
1722
                        return 'DOMAIN_NO_MX_RECORD';
1723
                }
1724
        }
1725
1726
        if (($ban_reason = $user->check_ban(false, false, $email, true)) !== false)
1727
        {
1728
                return ($ban_reason === true) ? 'EMAIL_BANNED' : $ban_reason;
1729
        }
1730
1731
        if (!$config['allow_emailreuse'])
1732
        {
1733
                $sql = 'SELECT user_email_hash
1734
                        FROM ' . USERS_TABLE . "
1735
                        WHERE user_email_hash = " . $db->sql_escape(phpbb_email_hash($email));
1736
                $result = $db->sql_query($sql);
1737
                $row = $db->sql_fetchrow($result);
1738
                $db->sql_freeresult($result);
1739
1740
                if ($row)
1741
                {
1742
                        return 'EMAIL_TAKEN';
1743
                }
1744
        }
1745
1746
        return false;
1747
}
1748
1749
/**
1750
* Validate jabber address
1751
* Taken from the jabber class within flyspray (see author notes)
1752
*
1753
* @author flyspray.org
1754
*/
1755
function validate_jabber($jid)
1756
{
1757
        if (!$jid)
1758
        {
1759
                return false;
1760
        }
1761
1762
        $seperator_pos = strpos($jid, '@');
1763
1764
        if ($seperator_pos === false)
1765
        {
1766
                return 'WRONG_DATA';
1767
        }
1768
1769
        $username = substr($jid, 0, $seperator_pos);
1770
        $realm = substr($jid, $seperator_pos + 1);
1771
1772
        if (strlen($username) == 0 || strlen($realm) < 3)
1773
        {
1774
                return 'WRONG_DATA';
1775
        }
1776
1777
        $arr = explode('.', $realm);
1778
1779
        if (sizeof($arr) == 0)
1780
        {
1781
                return 'WRONG_DATA';
1782
        }
1783
1784
        foreach ($arr as $part)
1785
        {
1786
                if (substr($part, 0, 1) == '-' || substr($part, -1, 1) == '-')
1787
                {
1788
                        return 'WRONG_DATA';
1789
                }
1790
1791
                if (!preg_match("@^[a-zA-Z0-9-.]+$@", $part))
1792
                {
1793
                        return 'WRONG_DATA';
1794
                }
1795
        }
1796
1797
        $boundary = array(array(0, 127), array(192, 223), array(224, 239), array(240, 247), array(248, 251), array(252, 253));
1798
1799
        // Prohibited Characters RFC3454 + RFC3920
1800
        $prohibited = array(
1801
                // Table C.1.1
1802
                array(0x0020, 0x0020),                // SPACE
1803
                // Table C.1.2
1804
                array(0x00A0, 0x00A0),                // NO-BREAK SPACE
1805
                array(0x1680, 0x1680),                // OGHAM SPACE MARK
1806
                array(0x2000, 0x2001),                // EN QUAD
1807
                array(0x2001, 0x2001),                // EM QUAD
1808
                array(0x2002, 0x2002),                // EN SPACE
1809
                array(0x2003, 0x2003),                // EM SPACE
1810
                array(0x2004, 0x2004),                // THREE-PER-EM SPACE
1811
                array(0x2005, 0x2005),                // FOUR-PER-EM SPACE
1812
                array(0x2006, 0x2006),                // SIX-PER-EM SPACE
1813
                array(0x2007, 0x2007),                // FIGURE SPACE
1814
                array(0x2008, 0x2008),                // PUNCTUATION SPACE
1815
                array(0x2009, 0x2009),                // THIN SPACE
1816
                array(0x200A, 0x200A),                // HAIR SPACE
1817
                array(0x200B, 0x200B),                // ZERO WIDTH SPACE
1818
                array(0x202F, 0x202F),                // NARROW NO-BREAK SPACE
1819
                array(0x205F, 0x205F),                // MEDIUM MATHEMATICAL SPACE
1820
                array(0x3000, 0x3000),                // IDEOGRAPHIC SPACE
1821
                // Table C.2.1
1822
                array(0x0000, 0x001F),                // [CONTROL CHARACTERS]
1823
                array(0x007F, 0x007F),                // DELETE
1824
                // Table C.2.2
1825
                array(0x0080, 0x009F),                // [CONTROL CHARACTERS]
1826
                array(0x06DD, 0x06DD),                // ARABIC END OF AYAH
1827
                array(0x070F, 0x070F),                // SYRIAC ABBREVIATION MARK
1828
                array(0x180E, 0x180E),                // MONGOLIAN VOWEL SEPARATOR
1829
                array(0x200C, 0x200C),                 // ZERO WIDTH NON-JOINER
1830
                array(0x200D, 0x200D),                // ZERO WIDTH JOINER
1831
                array(0x2028, 0x2028),                // LINE SEPARATOR
1832
                array(0x2029, 0x2029),                // PARAGRAPH SEPARATOR
1833
                array(0x2060, 0x2060),                // WORD JOINER
1834
                array(0x2061, 0x2061),                // FUNCTION APPLICATION
1835
                array(0x2062, 0x2062),                // INVISIBLE TIMES
1836
                array(0x2063, 0x2063),                // INVISIBLE SEPARATOR
1837
                array(0x206A, 0x206F),                // [CONTROL CHARACTERS]
1838
                array(0xFEFF, 0xFEFF),                // ZERO WIDTH NO-BREAK SPACE
1839
                array(0xFFF9, 0xFFFC),                // [CONTROL CHARACTERS]
1840
                array(0x1D173, 0x1D17A),        // [MUSICAL CONTROL CHARACTERS]
1841
                // Table C.3
1842
                array(0xE000, 0xF8FF),                // [PRIVATE USE, PLANE 0]
1843
                array(0xF0000, 0xFFFFD),        // [PRIVATE USE, PLANE 15]
1844
                array(0x100000, 0x10FFFD),        // [PRIVATE USE, PLANE 16]
1845
                // Table C.4
1846
                array(0xFDD0, 0xFDEF),                // [NONCHARACTER CODE POINTS]
1847
                array(0xFFFE, 0xFFFF),                // [NONCHARACTER CODE POINTS]
1848
                array(0x1FFFE, 0x1FFFF),        // [NONCHARACTER CODE POINTS]
1849
                array(0x2FFFE, 0x2FFFF),        // [NONCHARACTER CODE POINTS]
1850
                array(0x3FFFE, 0x3FFFF),        // [NONCHARACTER CODE POINTS]
1851
                array(0x4FFFE, 0x4FFFF),        // [NONCHARACTER CODE POINTS]
1852
                array(0x5FFFE, 0x5FFFF),        // [NONCHARACTER CODE POINTS]
1853
                array(0x6FFFE, 0x6FFFF),        // [NONCHARACTER CODE POINTS]
1854
                array(0x7FFFE, 0x7FFFF),        // [NONCHARACTER CODE POINTS]
1855
                array(0x8FFFE, 0x8FFFF),        // [NONCHARACTER CODE POINTS]
1856
                array(0x9FFFE, 0x9FFFF),        // [NONCHARACTER CODE POINTS]
1857
                array(0xAFFFE, 0xAFFFF),        // [NONCHARACTER CODE POINTS]
1858
                array(0xBFFFE, 0xBFFFF),        // [NONCHARACTER CODE POINTS]
1859
                array(0xCFFFE, 0xCFFFF),        // [NONCHARACTER CODE POINTS]
1860
                array(0xDFFFE, 0xDFFFF),        // [NONCHARACTER CODE POINTS]
1861
                array(0xEFFFE, 0xEFFFF),        // [NONCHARACTER CODE POINTS]
1862
                array(0xFFFFE, 0xFFFFF),        // [NONCHARACTER CODE POINTS]
1863
                array(0x10FFFE, 0x10FFFF),        // [NONCHARACTER CODE POINTS]
1864
                // Table C.5
1865
                array(0xD800, 0xDFFF),                // [SURROGATE CODES]
1866
                // Table C.6
1867
                array(0xFFF9, 0xFFF9),                // INTERLINEAR ANNOTATION ANCHOR
1868
                array(0xFFFA, 0xFFFA),                // INTERLINEAR ANNOTATION SEPARATOR
1869
                array(0xFFFB, 0xFFFB),                // INTERLINEAR ANNOTATION TERMINATOR
1870
                array(0xFFFC, 0xFFFC),                // OBJECT REPLACEMENT CHARACTER
1871
                array(0xFFFD, 0xFFFD),                // REPLACEMENT CHARACTER
1872
                // Table C.7
1873
                array(0x2FF0, 0x2FFB),                // [IDEOGRAPHIC DESCRIPTION CHARACTERS]
1874
                // Table C.8
1875
                array(0x0340, 0x0340),                // COMBINING GRAVE TONE MARK
1876
                array(0x0341, 0x0341),                // COMBINING ACUTE TONE MARK
1877
                array(0x200E, 0x200E),                // LEFT-TO-RIGHT MARK
1878
                array(0x200F, 0x200F),                // RIGHT-TO-LEFT MARK
1879
                array(0x202A, 0x202A),                // LEFT-TO-RIGHT EMBEDDING
1880
                array(0x202B, 0x202B),                // RIGHT-TO-LEFT EMBEDDING
1881
                array(0x202C, 0x202C),                // POP DIRECTIONAL FORMATTING
1882
                array(0x202D, 0x202D),                // LEFT-TO-RIGHT OVERRIDE
1883
                array(0x202E, 0x202E),                // RIGHT-TO-LEFT OVERRIDE
1884
                array(0x206A, 0x206A),                // INHIBIT SYMMETRIC SWAPPING
1885
                array(0x206B, 0x206B),                // ACTIVATE SYMMETRIC SWAPPING
1886
                array(0x206C, 0x206C),                // INHIBIT ARABIC FORM SHAPING
1887
                array(0x206D, 0x206D),                // ACTIVATE ARABIC FORM SHAPING
1888
                array(0x206E, 0x206E),                // NATIONAL DIGIT SHAPES
1889
                array(0x206F, 0x206F),                // NOMINAL DIGIT SHAPES
1890
                // Table C.9
1891
                array(0xE0001, 0xE0001),        // LANGUAGE TAG
1892
                array(0xE0020, 0xE007F),        // [TAGGING CHARACTERS]
1893
                // RFC3920
1894
                array(0x22, 0x22),                        // "
1895
                array(0x26, 0x26),                        // &
1896
                array(0x27, 0x27),                        // '
1897
                array(0x2F, 0x2F),                        // /
1898
                array(0x3A, 0x3A),                        // :
1899
                array(0x3C, 0x3C),                        // <
1900
                array(0x3E, 0x3E),                        // >
1901
                array(0x40, 0x40)                        // @
1902
        );
1903
1904
        $pos = 0;
1905
        $result = true;
1906
1907
        while ($pos < strlen($username))
1908
        {
1909
                $len = $uni = 0;
1910
                for ($i = 0; $i <= 5; $i++)
1911
                {
1912
                        if (ord($username[$pos]) >= $boundary[$i][0] && ord($username[$pos]) <= $boundary[$i][1])
1913
                        {
1914
                                $len = $i + 1;
1915
                                $uni = (ord($username[$pos]) - $boundary[$i][0]) * pow(2, $i * 6);
1916
1917
                                for ($k = 1; $k < $len; $k++)
1918
                                {
1919
                                        $uni += (ord($username[$pos + $k]) - 128) * pow(2, ($i - $k) * 6);
1920
                                }
1921
1922
                                break;
1923
                        }
1924
                }
1925
1926
                if ($len == 0)
1927
                {
1928
                        return 'WRONG_DATA';
1929
                }
1930
1931
                foreach ($prohibited as $pval)
1932
                {
1933
                        if ($uni >= $pval[0] && $uni <= $pval[1])
1934
                        {
1935
                                $result = false;
1936
                                break 2;
1937
                        }
1938
                }
1939
1940
                $pos = $pos + $len;
1941
        }
1942
1943
        if (!$result)
1944
        {
1945
                return 'WRONG_DATA';
1946
        }
1947
1948
        return false;
1949
}
1950
1951
/**
1952
* Remove avatar
1953
*/
1954
function avatar_delete($mode, $row, $clean_db = false)
1955
{
1956
        global $phpbb_root_path, $config, $db, $user;
1957
1958
        // Check if the users avatar is actually *not* a group avatar
1959
        if ($mode == 'user')
1960
        {
1961
                if (strpos($row['user_avatar'], 'g') === 0 || (((int)$row['user_avatar'] !== 0) && ((int)$row['user_avatar'] !== (int)$row['user_id'])))
1962
                {
1963
                        return false;
1964
                }
1965
        }
1966
1967
        if ($clean_db)
1968
        {
1969
                avatar_remove_db($row[$mode . '_avatar']);
1970
        }
1971
        $filename = get_avatar_filename($row[$mode . '_avatar']);
1972
        if (file_exists($phpbb_root_path . $config['avatar_path'] . '/' . $filename))
1973
        {
1974
                @unlink($phpbb_root_path . $config['avatar_path'] . '/' . $filename);
1975
                return true;
1976
        }
1977
1978
        return false;
1979
}
1980
1981
/**
1982
* Remote avatar linkage
1983
*/
1984
function avatar_remote($data, &$error)
1985
{
1986
        global $config, $db, $user, $phpbb_root_path, $phpEx;
1987
1988
        if (!preg_match('#^(http|https|ftp)://#i', $data['remotelink']))
1989
        {
1990
                $data['remotelink'] = 'http://' . $data['remotelink'];
1991
        }
1992
        if (!preg_match('#^(http|https|ftp)://(?:(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}|(?:\d{1,3}\.){3,5}\d{1,3}):?([0-9]*?).*?\.(gif|jpg|jpeg|png)$#i', $data['remotelink']))
1993
        {
1994
                $error[] = $user->lang['AVATAR_URL_INVALID'];
1995
                return false;
1996
        }
1997
1998
        // Make sure getimagesize works...
1999
        if (($image_data = @getimagesize($data['remotelink'])) === false && (empty($data['width']) || empty($data['height'])))
2000
        {
2001
                $error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
2002
                return false;
2003
        }
2004
2005
        if (!empty($image_data) && ($image_data[0] < 2 || $image_data[1] < 2))
2006
        {
2007
                $error[] = $user->lang['AVATAR_NO_SIZE'];
2008
                return false;
2009
        }
2010
2011
        $width = ($data['width'] && $data['height']) ? $data['width'] : $image_data[0];
2012
        $height = ($data['width'] && $data['height']) ? $data['height'] : $image_data[1];
2013
2014
        if ($width < 2 || $height < 2)
2015
        {
2016
                $error[] = $user->lang['AVATAR_NO_SIZE'];
2017
                return false;
2018
        }
2019
2020
        // Check image type
2021
        include_once($phpbb_root_path . 'includes/functions_upload.' . $phpEx);
2022
        $types = fileupload::image_types();
2023
        $extension = strtolower(filespec::get_extension($data['remotelink']));
2024
2025
        if (!empty($image_data) && (!isset($types[$image_data[2]]) || !in_array($extension, $types[$image_data[2]])))
2026
        {
2027
                if (!isset($types[$image_data[2]]))
2028
                {
2029
                        $error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
2030
                }
2031
                else
2032
                {
2033
                        $error[] = sprintf($user->lang['IMAGE_FILETYPE_MISMATCH'], $types[$image_data[2]][0], $extension);
2034
                }
2035
                return false;
2036
        }
2037
2038
        if ($config['avatar_max_width'] || $config['avatar_max_height'])
2039
        {
2040
                if ($width > $config['avatar_max_width'] || $height > $config['avatar_max_height'])
2041
                {
2042
                        $error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
2043
                        return false;
2044
                }
2045
        }
2046
2047
        if ($config['avatar_min_width'] || $config['avatar_min_height'])
2048
        {
2049
                if ($width < $config['avatar_min_width'] || $height < $config['avatar_min_height'])
2050
                {
2051
                        $error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $width, $height);
2052
                        return false;
2053
                }
2054
        }
2055
2056
        return array(AVATAR_REMOTE, $data['remotelink'], $width, $height);
2057
}
2058
2059
/**
2060
* Avatar upload using the upload class
2061
*/
2062
function avatar_upload($data, &$error)
2063
{
2064
        global $phpbb_root_path, $config, $db, $user, $phpEx;
2065
2066
        // Init upload class
2067
        include_once($phpbb_root_path . 'includes/functions_upload.' . $phpEx);
2068
        $upload = new fileupload('AVATAR_', array('jpg', 'jpeg', 'gif', 'png'), $config['avatar_filesize'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], (isset($config['mime_triggers']) ? explode('|', $config['mime_triggers']) : false));
2069
2070
        if (!empty($_FILES['uploadfile']['name']))
2071
        {
2072
                $file = $upload->form_upload('uploadfile');
2073
        }
2074
        else
2075
        {
2076
                $file = $upload->remote_upload($data['uploadurl']);
2077
        }
2078
2079
        $prefix = $config['avatar_salt'] . '_';
2080
        $file->clean_filename('avatar', $prefix, $data['user_id']);
2081
2082
        $destination = $config['avatar_path'];
2083
2084
        // Adjust destination path (no trailing slash)
2085
        if (substr($destination, -1, 1) == '/' || substr($destination, -1, 1) == '\\')
2086
        {
2087
                $destination = substr($destination, 0, -1);
2088
        }
2089
2090
        $destination = str_replace(array('../', '..\\', './', '.\\'), '', $destination);
2091
        if ($destination && ($destination[0] == '/' || $destination[0] == "\\"))
2092
        {
2093
                $destination = '';
2094
        }
2095
2096
        // Move file and overwrite any existing image
2097
        $file->move_file($destination, true);
2098
2099
        if (sizeof($file->error))
2100
        {
2101
                $file->remove();
2102
                $error = array_merge($error, $file->error);
2103
        }
2104
2105
        return array(AVATAR_UPLOAD, $data['user_id'] . '_' . time() . '.' . $file->get('extension'), $file->get('width'), $file->get('height'));
2106
}
2107
2108
/**
2109
* Generates avatar filename from the database entry
2110
*/
2111
function get_avatar_filename($avatar_entry)
2112
{
2113
        global $config;
2114
2115
2116
        if ($avatar_entry[0] === 'g')
2117
        {
2118
                $avatar_group = true;
2119
                $avatar_entry = substr($avatar_entry, 1);
2120
        }
2121
        else
2122
        {
2123
                $avatar_group = false;
2124
        }
2125
        $ext                         = substr(strrchr($avatar_entry, '.'), 1);
2126
        $avatar_entry        = intval($avatar_entry);
2127
        return $config['avatar_salt'] . '_' . (($avatar_group) ? 'g' : '') . $avatar_entry . '.' . $ext;
2128
}
2129
2130
/**
2131
* Avatar Gallery
2132
*/
2133
function avatar_gallery($category, $avatar_select, $items_per_column, $block_var = 'avatar_row')
2134
{
2135
        global $user, $cache, $template;
2136
        global $config, $phpbb_root_path;
2137
2138
        $avatar_list = array();
2139
2140
        $path = $phpbb_root_path . $config['avatar_gallery_path'];
2141
2142
        if (!file_exists($path) || !is_dir($path))
2143
        {
2144
                $avatar_list = array($user->lang['NO_AVATAR_CATEGORY'] => array());
2145
        }
2146
        else
2147
        {
2148
                // Collect images
2149
                $dp = @opendir($path);
2150
2151
                if (!$dp)
2152
                {
2153
                        return array($user->lang['NO_AVATAR_CATEGORY'] => array());
2154
                }
2155
2156
                while (($file = readdir($dp)) !== false)
2157
                {
2158
                        if ($file[0] != '.' && preg_match('#^[^&"\'<>]+$#i', $file) && is_dir("$path/$file"))
2159
                        {
2160
                                $avatar_row_count = $avatar_col_count = 0;
2161
2162
                                if ($dp2 = @opendir("$path/$file"))
2163
                                {
2164
                                        while (($sub_file = readdir($dp2)) !== false)
2165
                                        {
2166
                                                if (preg_match('#^[^&\'"<>]+\.(?:gif|png|jpe?g)$#i', $sub_file))
2167
                                                {
2168
                                                        $avatar_list[$file][$avatar_row_count][$avatar_col_count] = array(
2169
                                                                'file'                => rawurlencode($file) . '/' . rawurlencode($sub_file),
2170
                                                                'filename'        => rawurlencode($sub_file),
2171
                                                                'name'                => ucfirst(str_replace('_', ' ', preg_replace('#^(.*)\..*$#', '\1', $sub_file))),
2172
                                                        );
2173
                                                        $avatar_col_count++;
2174
                                                        if ($avatar_col_count == $items_per_column)
2175
                                                        {
2176
                                                                $avatar_row_count++;
2177
                                                                $avatar_col_count = 0;
2178
                                                        }
2179
                                                }
2180
                                        }
2181
                                        closedir($dp2);
2182
                                }
2183
                        }
2184
                }
2185
                closedir($dp);
2186
        }
2187
2188
        if (!sizeof($avatar_list))
2189
        {
2190
                $avatar_list = array($user->lang['NO_AVATAR_CATEGORY'] => array());
2191
        }
2192
2193
        @ksort($avatar_list);
2194
2195
        $category = (!$category) ? key($avatar_list) : $category;
2196
        $avatar_categories = array_keys($avatar_list);
2197
2198
        $s_category_options = '';
2199
        foreach ($avatar_categories as $cat)
2200
        {
2201
                $s_category_options .= '<option value="' . $cat . '"' . (($cat == $category) ? ' selected="selected"' : '') . '>' . $cat . '</option>';
2202
        }
2203
2204
        $template->assign_vars(array(
2205
                'S_AVATARS_ENABLED'                => true,
2206
                'S_IN_AVATAR_GALLERY'        => true,
2207
                'S_CAT_OPTIONS'                        => $s_category_options)
2208
        );
2209
2210
        $avatar_list = (isset($avatar_list[$category])) ? $avatar_list[$category] : array();
2211
2212
        foreach ($avatar_list as $avatar_row_ary)
2213
        {
2214
                $template->assign_block_vars($block_var, array());
2215
2216
                foreach ($avatar_row_ary as $avatar_col_ary)
2217
                {
2218
                        $template->assign_block_vars($block_var . '.avatar_column', array(
2219
                                'AVATAR_IMAGE'        => $phpbb_root_path . $config['avatar_gallery_path'] . '/' . $avatar_col_ary['file'],
2220
                                'AVATAR_NAME'        => $avatar_col_ary['name'],
2221
                                'AVATAR_FILE'        => $avatar_col_ary['filename'])
2222
                        );
2223
2224
                        $template->assign_block_vars($block_var . '.avatar_option_column', array(
2225
                                'AVATAR_IMAGE'        => $phpbb_root_path . $config['avatar_gallery_path'] . '/' . $avatar_col_ary['file'],
2226
                                'S_OPTIONS_AVATAR'        => $avatar_col_ary['filename'])
2227
                        );
2228
                }
2229
        }
2230
2231
        return $avatar_list;
2232
}
2233
2234
2235
/**
2236
* Tries to (re-)establish avatar dimensions
2237
*/
2238
function avatar_get_dimensions($avatar, $avatar_type, &$error, $current_x = 0, $current_y = 0)
2239
{
2240
        global $config, $phpbb_root_path, $user;
2241
2242
        switch ($avatar_type)
2243
        {
2244
                case AVATAR_REMOTE :
2245
                        break;
2246
2247
                case AVATAR_UPLOAD :
2248
                        $avatar = $phpbb_root_path . $config['avatar_path'] . '/' . get_avatar_filename($avatar);
2249
                        break;
2250
2251
                case AVATAR_GALLERY :
2252
                        $avatar = $phpbb_root_path . $config['avatar_gallery_path'] . '/' . $avatar ;
2253
                        break;
2254
        }
2255
2256
        // Make sure getimagesize works...
2257
        if (($image_data = @getimagesize($avatar)) === false)
2258
        {
2259
                $error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
2260
                return false;
2261
        }
2262
2263
        if ($image_data[0] < 2 || $image_data[1] < 2)
2264
        {
2265
                $error[] = $user->lang['AVATAR_NO_SIZE'];
2266
                return false;
2267
        }
2268
2269
        // try to maintain ratio
2270
        if (!(empty($current_x) && empty($current_y)))
2271
        {
2272
                if ($current_x != 0)
2273
                {
2274
                        $image_data[1] = (int) floor(($current_x / $image_data[0]) * $image_data[1]);
2275
                        $image_data[1] = min($config['avatar_max_height'], $image_data[1]);
2276
                        $image_data[1] = max($config['avatar_min_height'], $image_data[1]);
2277
                }
2278
                if ($current_y != 0)
2279
                {
2280
                        $image_data[0] = (int) floor(($current_y / $image_data[1]) * $image_data[0]);
2281
                        $image_data[0] = min($config['avatar_max_width'], $image_data[1]);
2282
                        $image_data[0] = max($config['avatar_min_width'], $image_data[1]);
2283
                }
2284
        }
2285
        return array($image_data[0], $image_data[1]);
2286
}
2287
2288
/**
2289
* Uploading/Changing user avatar
2290
*/
2291
function avatar_process_user(&$error, $custom_userdata = false, $can_upload = null)
2292
{
2293
        global $config, $phpbb_root_path, $auth, $user, $db;
2294
2295
        $data = array(
2296
                'uploadurl'                => request_var('uploadurl', ''),
2297
                'remotelink'        => request_var('remotelink', ''),
2298
                'width'                        => request_var('width', 0),
2299
                'height'                => request_var('height', 0),
2300
        );
2301
2302
        $error = validate_data($data, array(
2303
                'uploadurl'                => array('string', true, 5, 255),
2304
                'remotelink'        => array('string', true, 5, 255),
2305
                'width'                        => array('string', true, 1, 3),
2306
                'height'                => array('string', true, 1, 3),
2307
        ));
2308
2309
        if (sizeof($error))
2310
        {
2311
                return false;
2312
        }
2313
2314
        $sql_ary = array();
2315
2316
        if ($custom_userdata === false)
2317
        {
2318
                $userdata = &$user->data;
2319
        }
2320
        else
2321
        {
2322
                $userdata = &$custom_userdata;
2323
        }
2324
2325
        $data['user_id'] = $userdata['user_id'];
2326
        $change_avatar = ($custom_userdata === false) ? $auth->acl_get('u_chgavatar') : true;
2327
        $avatar_select = basename(request_var('avatar_select', ''));
2328
2329
        // Can we upload?
2330
        if (is_null($can_upload))
2331
        {
2332
                $can_upload = ($config['allow_avatar_upload'] && file_exists($phpbb_root_path . $config['avatar_path']) && phpbb_is_writable($phpbb_root_path . $config['avatar_path']) && $change_avatar && (@ini_get('file_uploads') || strtolower(@ini_get('file_uploads')) == 'on')) ? true : false;
2333
        }
2334
2335
        if ((!empty($_FILES['uploadfile']['name']) || $data['uploadurl']) && $can_upload)
2336
        {
2337
                list($sql_ary['user_avatar_type'], $sql_ary['user_avatar'], $sql_ary['user_avatar_width'], $sql_ary['user_avatar_height']) = avatar_upload($data, $error);
2338
        }
2339
        else if ($data['remotelink'] && $change_avatar && $config['allow_avatar_remote'])
2340
        {
2341
                list($sql_ary['user_avatar_type'], $sql_ary['user_avatar'], $sql_ary['user_avatar_width'], $sql_ary['user_avatar_height']) = avatar_remote($data, $error);
2342
        }
2343
        else if ($avatar_select && $change_avatar && $config['allow_avatar_local'])
2344
        {
2345
                $category = basename(request_var('category', ''));
2346
2347
                $sql_ary['user_avatar_type'] = AVATAR_GALLERY;
2348
                $sql_ary['user_avatar'] = $avatar_select;
2349
2350
                // check avatar gallery
2351
                if (!is_dir($phpbb_root_path . $config['avatar_gallery_path'] . '/' . $category))
2352
                {
2353
                        $sql_ary['user_avatar'] = '';
2354
                        $sql_ary['user_avatar_type'] = $sql_ary['user_avatar_width'] = $sql_ary['user_avatar_height'] = 0;
2355
                }
2356
                else
2357
                {
2358
                        list($sql_ary['user_avatar_width'], $sql_ary['user_avatar_height']) = getimagesize($phpbb_root_path . $config['avatar_gallery_path'] . '/' . $category . '/' . urldecode($sql_ary['user_avatar']));
2359
                        $sql_ary['user_avatar'] = $category . '/' . $sql_ary['user_avatar'];
2360
                }
2361
        }
2362
        else if (isset($_POST['delete']) && $change_avatar)
2363
        {
2364
                $sql_ary['user_avatar'] = '';
2365
                $sql_ary['user_avatar_type'] = $sql_ary['user_avatar_width'] = $sql_ary['user_avatar_height'] = 0;
2366
        }
2367
        else if (!empty($userdata['user_avatar']))
2368
        {
2369
                // Only update the dimensions
2370
2371
                if (empty($data['width']) || empty($data['height']))
2372
                {
2373
                        if ($dims = avatar_get_dimensions($userdata['user_avatar'], $userdata['user_avatar_type'], $error, $data['width'], $data['height']))
2374
                        {
2375
                                list($guessed_x, $guessed_y) = $dims;
2376
                                if (empty($data['width']))
2377
                                {
2378
                                        $data['width'] = $guessed_x;
2379
                                }
2380
                                if (empty($data['height']))
2381
                                {
2382
                                        $data['height'] = $guessed_y;
2383
                                }
2384
                        }
2385
                }
2386
                if (($config['avatar_max_width'] || $config['avatar_max_height']) &&
2387
                        (($data['width'] != $userdata['user_avatar_width']) || $data['height'] != $userdata['user_avatar_height']))
2388
                {
2389
                        if ($data['width'] > $config['avatar_max_width'] || $data['height'] > $config['avatar_max_height'])
2390
                        {
2391
                                $error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $data['width'], $data['height']);
2392
                        }
2393
                }
2394
2395
                if (!sizeof($error))
2396
                {
2397
                        if ($config['avatar_min_width'] || $config['avatar_min_height'])
2398
                        {
2399
                                if ($data['width'] < $config['avatar_min_width'] || $data['height'] < $config['avatar_min_height'])
2400
                                {
2401
                                        $error[] = sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height'], $data['width'], $data['height']);
2402
                                }
2403
                        }
2404
                }
2405
2406
                if (!sizeof($error))
2407
                {
2408
                        $sql_ary['user_avatar_width'] = $data['width'];
2409
                        $sql_ary['user_avatar_height'] = $data['height'];
2410
                }
2411
        }
2412
2413
        if (!sizeof($error))
2414
        {
2415
                // Do we actually have any data to update?
2416
                if (sizeof($sql_ary))
2417
                {
2418
                        $ext_new = $ext_old = '';
2419
                        if (isset($sql_ary['user_avatar']))
2420
                        {
2421
                                $userdata = ($custom_userdata === false) ? $user->data : $custom_userdata;
2422
                                $ext_new = (empty($sql_ary['user_avatar'])) ? '' : substr(strrchr($sql_ary['user_avatar'], '.'), 1);
2423
                                $ext_old = (empty($userdata['user_avatar'])) ? '' : substr(strrchr($userdata['user_avatar'], '.'), 1);
2424
2425
                                if ($userdata['user_avatar_type'] == AVATAR_UPLOAD)
2426
                                {
2427
                                        // Delete old avatar if present
2428
                                        if ((!empty($userdata['user_avatar']) && empty($sql_ary['user_avatar']))
2429
                                           || ( !empty($userdata['user_avatar']) && !empty($sql_ary['user_avatar']) && $ext_new !== $ext_old))
2430
                                        {
2431
                                                avatar_delete('user', $userdata);
2432
                                        }
2433
                                }
2434
                        }
2435
2436
                        $sql = 'UPDATE ' . USERS_TABLE . '
2437
                                SET ' . $db->sql_build_array('UPDATE', $sql_ary) . '
2438
                                WHERE user_id = ' . (($custom_userdata === false) ? $user->data['user_id'] : $custom_userdata['user_id']);
2439
                        $db->sql_query($sql);
2440
2441
                }
2442
        }
2443
2444
        return (sizeof($error)) ? false : true;
2445
}
2446
2447
//
2448
// Usergroup functions
2449
//
2450
2451
/**
2452
* Add or edit a group. If we're editing a group we only update user
2453
* parameters such as rank, etc. if they are changed
2454
*/
2455
function group_create(&$group_id, $type, $name, $desc, $group_attributes, $allow_desc_bbcode = false, $allow_desc_urls = false, $allow_desc_smilies = false)
2456
{
2457
        global $phpbb_root_path, $config, $db, $user, $file_upload;
2458
2459
        $error = array();
2460
2461
        // Attributes which also affect the users table
2462
        $user_attribute_ary = array('group_colour', 'group_rank', 'group_avatar', 'group_avatar_type', 'group_avatar_width', 'group_avatar_height');
2463
2464
        // Check data. Limit group name length.
2465
        if (!utf8_strlen($name) || utf8_strlen($name) > 60)
2466
        {
2467
                $error[] = (!utf8_strlen($name)) ? $user->lang['GROUP_ERR_USERNAME'] : $user->lang['GROUP_ERR_USER_LONG'];
2468
        }
2469
2470
        $err = group_validate_groupname($group_id, $name);
2471
        if (!empty($err))
2472
        {
2473
                $error[] = $user->lang[$err];
2474
        }
2475
2476
        if (!in_array($type, array(GROUP_OPEN, GROUP_CLOSED, GROUP_HIDDEN, GROUP_SPECIAL, GROUP_FREE)))
2477
        {
2478
                $error[] = $user->lang['GROUP_ERR_TYPE'];
2479
        }
2480
2481
        if (!sizeof($error))
2482
        {
2483
                $user_ary = array();
2484
                $sql_ary = array(
2485
                        'group_name'                        => (string) $name,
2486
                        'group_desc'                        => (string) $desc,
2487
                        'group_desc_uid'                => '',
2488
                        'group_desc_bitfield'        => '',
2489
                        'group_type'                        => (int) $type,
2490
                );
2491
2492
                // Parse description
2493
                if ($desc)
2494
                {
2495
                        generate_text_for_storage($sql_ary['group_desc'], $sql_ary['group_desc_uid'], $sql_ary['group_desc_bitfield'], $sql_ary['group_desc_options'], $allow_desc_bbcode, $allow_desc_urls, $allow_desc_smilies);
2496
                }
2497
2498
                if (sizeof($group_attributes))
2499
                {
2500
                        // Merge them with $sql_ary to properly update the group
2501
                        $sql_ary = array_merge($sql_ary, $group_attributes);
2502
                }
2503
2504
                // Setting the log message before we set the group id (if group gets added)
2505
                $log = ($group_id) ? 'LOG_GROUP_UPDATED' : 'LOG_GROUP_CREATED';
2506
2507
                $query = '';
2508
2509
                if ($group_id)
2510
                {
2511
                        $sql = 'SELECT user_id
2512
                                FROM ' . USERS_TABLE . '
2513
                                WHERE group_id = ' . $group_id;
2514
                        $result = $db->sql_query($sql);
2515
2516
                        while ($row = $db->sql_fetchrow($result))
2517
                        {
2518
                                $user_ary[] = $row['user_id'];
2519
                        }
2520
                        $db->sql_freeresult($result);
2521
2522
                        if (isset($sql_ary['group_avatar']) && !$sql_ary['group_avatar'])
2523
                        {
2524
                                remove_default_avatar($group_id, $user_ary);
2525
                        }
2526
2527
                        if (isset($sql_ary['group_rank']) && !$sql_ary['group_rank'])
2528
                        {
2529
                                remove_default_rank($group_id, $user_ary);
2530
                        }
2531
2532
                        $sql = 'UPDATE ' . GROUPS_TABLE . '
2533
                                SET ' . $db->sql_build_array('UPDATE', $sql_ary) . "
2534
                                WHERE group_id = $group_id";
2535
                        $db->sql_query($sql);
2536
2537
                        // Since we may update the name too, we need to do this on other tables too...
2538
                        $sql = 'UPDATE ' . MODERATOR_CACHE_TABLE . "
2539
                                SET group_name = '" . $db->sql_escape($sql_ary['group_name']) . "'
2540
                                WHERE group_id = $group_id";
2541
                        $db->sql_query($sql);
2542
2543
                        // One special case is the group skip auth setting. If this was changed we need to purge permissions for this group
2544
                        if (isset($group_attributes['group_skip_auth']))
2545
                        {
2546
                                // Get users within this group...
2547
                                $sql = 'SELECT user_id
2548
                                        FROM ' . USER_GROUP_TABLE . '
2549
                                        WHERE group_id = ' . $group_id . '
2550
                                                AND user_pending = 0';
2551
                                $result = $db->sql_query($sql);
2552
2553
                                $user_id_ary = array();
2554
                                while ($row = $db->sql_fetchrow($result))
2555
                                {
2556
                                        $user_id_ary[] = $row['user_id'];
2557
                                }
2558
                                $db->sql_freeresult($result);
2559
2560
                                if (!empty($user_id_ary))
2561
                                {
2562
                                        global $auth;
2563
2564
                                        // Clear permissions cache of relevant users
2565
                                        $auth->acl_clear_prefetch($user_id_ary);
2566
                                }
2567
                        }
2568
                }
2569
                else
2570
                {
2571
                        $sql = 'INSERT INTO ' . GROUPS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary);
2572
                        $db->sql_query($sql);
2573
                }
2574
2575
                if (!$group_id)
2576
                {
2577
                        $group_id = $db->sql_nextid();
2578
2579
                        if (isset($sql_ary['group_avatar_type']) && $sql_ary['group_avatar_type'] == AVATAR_UPLOAD)
2580
                        {
2581
                                group_correct_avatar($group_id, $sql_ary['group_avatar']);
2582
                        }
2583
                }
2584
2585
                // Set user attributes
2586
                $sql_ary = array();
2587
                if (sizeof($group_attributes))
2588
                {
2589
                        // Go through the user attributes array, check if a group attribute matches it and then set it. ;)
2590
                        foreach ($user_attribute_ary as $attribute)
2591
                        {
2592
                                if (!isset($group_attributes[$attribute]))
2593
                                {
2594
                                        continue;
2595
                                }
2596
2597
                                // If we are about to set an avatar, we will not overwrite user avatars if no group avatar is set...
2598
                                if (strpos($attribute, 'group_avatar') === 0 && !$group_attributes[$attribute])
2599
                                {
2600
                                        continue;
2601
                                }
2602
2603
                                $sql_ary[$attribute] = $group_attributes[$attribute];
2604
                        }
2605
                }
2606
2607
                if (sizeof($sql_ary) && sizeof($user_ary))
2608
                {
2609
                        group_set_user_default($group_id, $user_ary, $sql_ary);
2610
                }
2611
2612
                $name = ($type == GROUP_SPECIAL) ? $user->lang['G_' . $name] : $name;
2613
                add_log('admin', $log, $name);
2614
2615
                group_update_listings($group_id);
2616
        }
2617
2618
        return (sizeof($error)) ? $error : false;
2619
}
2620
2621
2622
/**
2623
* Changes a group avatar's filename to conform to the naming scheme
2624
*/
2625
function group_correct_avatar($group_id, $old_entry)
2626
{
2627
        global $config, $db, $phpbb_root_path;
2628
2629
        $group_id                = (int)$group_id;
2630
        $ext                         = substr(strrchr($old_entry, '.'), 1);
2631
        $old_filename         = get_avatar_filename($old_entry);
2632
        $new_filename         = $config['avatar_salt'] . "_g$group_id.$ext";
2633
        $new_entry                 = 'g' . $group_id . '_' . substr(time(), -5) . ".$ext";
2634
2635
        $avatar_path = $phpbb_root_path . $config['avatar_path'];
2636
        if (@rename($avatar_path . '/'. $old_filename, $avatar_path . '/' . $new_filename))
2637
        {
2638
                $sql = 'UPDATE ' . GROUPS_TABLE . '
2639
                        SET group_avatar = \'' . $db->sql_escape($new_entry) . "'
2640
                        WHERE group_id = $group_id";
2641
                $db->sql_query($sql);
2642
        }
2643
}
2644
2645
2646
/**
2647
* Remove avatar also for users not having the group as default
2648
*/
2649
function avatar_remove_db($avatar_name)
2650
{
2651
        global $config, $db;
2652
2653
        $sql = 'UPDATE ' . USERS_TABLE . "
2654
                SET user_avatar = '',
2655
                user_avatar_type = 0
2656
                WHERE user_avatar = '" . $db->sql_escape($avatar_name) . '\'';
2657
        $db->sql_query($sql);
2658
}
2659
2660
2661
/**
2662
* Group Delete
2663
*/
2664
function group_delete($group_id, $group_name = false)
2665
{
2666
        global $db, $phpbb_root_path, $phpEx;
2667
2668
        if (!$group_name)
2669
        {
2670
                $group_name = get_group_name($group_id);
2671
        }
2672
2673
        $start = 0;
2674
2675
        do
2676
        {
2677
                $user_id_ary = $username_ary = array();
2678
2679
                // Batch query for group members, call group_user_del
2680
                $sql = 'SELECT u.user_id, u.username
2681
                        FROM ' . USER_GROUP_TABLE . ' ug, ' . USERS_TABLE . " u
2682
                        WHERE ug.group_id = $group_id
2683
                                AND u.user_id = ug.user_id";
2684
                $result = $db->sql_query_limit($sql, 200, $start);
2685
2686
                if ($row = $db->sql_fetchrow($result))
2687
                {
2688
                        do
2689
                        {
2690
                                $user_id_ary[] = $row['user_id'];
2691
                                $username_ary[] = $row['username'];
2692
2693
                                $start++;
2694
                        }
2695
                        while ($row = $db->sql_fetchrow($result));
2696
2697
                        group_user_del($group_id, $user_id_ary, $username_ary, $group_name);
2698
                }
2699
                else
2700
                {
2701
                        $start = 0;
2702
                }
2703
                $db->sql_freeresult($result);
2704
        }
2705
        while ($start);
2706
2707
        // Delete group
2708
        $sql = 'DELETE FROM ' . GROUPS_TABLE . "
2709
                WHERE group_id = $group_id";
2710
        $db->sql_query($sql);
2711
2712
        // Delete auth entries from the groups table
2713
        $sql = 'DELETE FROM ' . ACL_GROUPS_TABLE . "
2714
                WHERE group_id = $group_id";
2715
        $db->sql_query($sql);
2716
2717
        // Re-cache moderators
2718
        if (!function_exists('cache_moderators'))
2719
        {
2720
                include($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
2721
        }
2722
2723
        cache_moderators();
2724
2725
        add_log('admin', 'LOG_GROUP_DELETE', $group_name);
2726
2727
        // Return false - no error
2728
        return false;
2729
}
2730
2731
/**
2732
* Add user(s) to group
2733
*
2734
* @return mixed false if no errors occurred, else the user lang string for the relevant error, for example 'NO_USER'
2735
*/
2736
function group_user_add($group_id, $user_id_ary = false, $username_ary = false, $group_name = false, $default = false, $leader = 0, $pending = 0, $group_attributes = false)
2737
{
2738
        global $db, $auth;
2739
2740
        // We need both username and user_id info
2741
        $result = user_get_id_name($user_id_ary, $username_ary);
2742
2743
        if (!sizeof($user_id_ary) || $result !== false)
2744
        {
2745
                return 'NO_USER';
2746
        }
2747
2748
        // Remove users who are already members of this group
2749
        $sql = 'SELECT user_id, group_leader
2750
                FROM ' . USER_GROUP_TABLE . '
2751
                WHERE ' . $db->sql_in_set('user_id', $user_id_ary) . "
2752
                        AND group_id = $group_id";
2753
        $result = $db->sql_query($sql);
2754
2755
        $add_id_ary = $update_id_ary = array();
2756
        while ($row = $db->sql_fetchrow($result))
2757
        {
2758
                $add_id_ary[] = (int) $row['user_id'];
2759
2760
                if ($leader && !$row['group_leader'])
2761
                {
2762
                        $update_id_ary[] = (int) $row['user_id'];
2763
                }
2764
        }
2765
        $db->sql_freeresult($result);
2766
2767
        // Do all the users exist in this group?
2768
        $add_id_ary = array_diff($user_id_ary, $add_id_ary);
2769
2770
        // If we have no users
2771
        if (!sizeof($add_id_ary) && !sizeof($update_id_ary))
2772
        {
2773
                return 'GROUP_USERS_EXIST';
2774
        }
2775
2776
        $db->sql_transaction('begin');
2777
2778
        // Insert the new users
2779
        if (sizeof($add_id_ary))
2780
        {
2781
                $sql_ary = array();
2782
2783
                foreach ($add_id_ary as $user_id)
2784
                {
2785
                        $sql_ary[] = array(
2786
                                'user_id'                => (int) $user_id,
2787
                                'group_id'                => (int) $group_id,
2788
                                'group_leader'        => (int) $leader,
2789
                                'user_pending'        => (int) $pending,
2790
                        );
2791
                }
2792
2793
                $db->sql_multi_insert(USER_GROUP_TABLE, $sql_ary);
2794
        }
2795
2796
        if (sizeof($update_id_ary))
2797
        {
2798
                $sql = 'UPDATE ' . USER_GROUP_TABLE . '
2799
                        SET group_leader = 1
2800
                        WHERE ' . $db->sql_in_set('user_id', $update_id_ary) . "
2801
                                AND group_id = $group_id";
2802
                $db->sql_query($sql);
2803
        }
2804
2805
        if ($default)
2806
        {
2807
                group_user_attributes('default', $group_id, $user_id_ary, false, $group_name, $group_attributes);
2808
        }
2809
2810
        $db->sql_transaction('commit');
2811
2812
        // Clear permissions cache of relevant users
2813
        $auth->acl_clear_prefetch($user_id_ary);
2814
2815
        if (!$group_name)
2816
        {
2817
                $group_name = get_group_name($group_id);
2818
        }
2819
2820
        $log = ($leader) ? 'LOG_MODS_ADDED' : (($pending) ? 'LOG_USERS_PENDING' : 'LOG_USERS_ADDED');
2821
2822
        add_log('admin', $log, $group_name, implode(', ', $username_ary));
2823
2824
        group_update_listings($group_id);
2825
2826
        // Return false - no error
2827
        return false;
2828
}
2829
2830
/**
2831
* Remove a user/s from a given group. When we remove users we update their
2832
* default group_id. We do this by examining which "special" groups they belong
2833
* to. The selection is made based on a reasonable priority system
2834
*
2835
* @return false if no errors occurred, else the user lang string for the relevant error, for example 'NO_USER'
2836
*/
2837
function group_user_del($group_id, $user_id_ary = false, $username_ary = false, $group_name = false)
2838
{
2839
        global $db, $auth, $config;
2840
2841
        if ($config['coppa_enable'])
2842
        {
2843
                $group_order = array('ADMINISTRATORS', 'GLOBAL_MODERATORS', 'NEWLY_REGISTERED', 'REGISTERED_COPPA', 'REGISTERED', 'BOTS', 'GUESTS');
2844
        }
2845
        else
2846
        {
2847
                $group_order = array('ADMINISTRATORS', 'GLOBAL_MODERATORS', 'NEWLY_REGISTERED', 'REGISTERED', 'BOTS', 'GUESTS');
2848
        }
2849
2850
        // We need both username and user_id info
2851
        $result = user_get_id_name($user_id_ary, $username_ary);
2852
2853
        if (!sizeof($user_id_ary) || $result !== false)
2854
        {
2855
                return 'NO_USER';
2856
        }
2857
2858
        $sql = 'SELECT *
2859
                FROM ' . GROUPS_TABLE . '
2860
                WHERE ' . $db->sql_in_set('group_name', $group_order);
2861
        $result = $db->sql_query($sql);
2862
2863
        $group_order_id = $special_group_data = array();
2864
        while ($row = $db->sql_fetchrow($result))
2865
        {
2866
                $group_order_id[$row['group_name']] = $row['group_id'];
2867
2868
                $special_group_data[$row['group_id']] = array(
2869
                        'group_colour'                        => $row['group_colour'],
2870
                        'group_rank'                                => $row['group_rank'],
2871
                );
2872
2873
                // Only set the group avatar if one is defined...
2874
                if ($row['group_avatar'])
2875
                {
2876
                        $special_group_data[$row['group_id']] = array_merge($special_group_data[$row['group_id']], array(
2877
                                'group_avatar'                        => $row['group_avatar'],
2878
                                'group_avatar_type'                => $row['group_avatar_type'],
2879
                                'group_avatar_width'                => $row['group_avatar_width'],
2880
                                'group_avatar_height'        => $row['group_avatar_height'])
2881
                        );
2882
                }
2883
        }
2884
        $db->sql_freeresult($result);
2885
2886
        // Get users default groups - we only need to reset default group membership if the group from which the user gets removed is set as default
2887
        $sql = 'SELECT user_id, group_id
2888
                FROM ' . USERS_TABLE . '
2889
                WHERE ' . $db->sql_in_set('user_id', $user_id_ary);
2890
        $result = $db->sql_query($sql);
2891
2892
        $default_groups = array();
2893
        while ($row = $db->sql_fetchrow($result))
2894
        {
2895
                $default_groups[$row['user_id']] = $row['group_id'];
2896
        }
2897
        $db->sql_freeresult($result);
2898
2899
        // What special group memberships exist for these users?
2900
        $sql = 'SELECT g.group_id, g.group_name, ug.user_id
2901
                FROM ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g
2902
                WHERE ' . $db->sql_in_set('ug.user_id', $user_id_ary) . "
2903
                        AND g.group_id = ug.group_id
2904
                        AND g.group_id <> $group_id
2905
                        AND g.group_type = " . GROUP_SPECIAL . '
2906
                ORDER BY ug.user_id, g.group_id';
2907
        $result = $db->sql_query($sql);
2908
2909
        $temp_ary = array();
2910
        while ($row = $db->sql_fetchrow($result))
2911
        {
2912
                if ($default_groups[$row['user_id']] == $group_id && (!isset($temp_ary[$row['user_id']]) || $group_order_id[$row['group_name']] < $temp_ary[$row['user_id']]))
2913
                {
2914
                        $temp_ary[$row['user_id']] = $row['group_id'];
2915
                }
2916
        }
2917
        $db->sql_freeresult($result);
2918
2919
        // sql_where_ary holds the new default groups and their users
2920
        $sql_where_ary = array();
2921
        foreach ($temp_ary as $uid => $gid)
2922
        {
2923
                $sql_where_ary[$gid][] = $uid;
2924
        }
2925
        unset($temp_ary);
2926
2927
        foreach ($special_group_data as $gid => $default_data_ary)
2928
        {
2929
                if (isset($sql_where_ary[$gid]) && sizeof($sql_where_ary[$gid]))
2930
                {
2931
                        remove_default_rank($group_id, $sql_where_ary[$gid]);
2932
                        remove_default_avatar($group_id, $sql_where_ary[$gid]);
2933
                        group_set_user_default($gid, $sql_where_ary[$gid], $default_data_ary);
2934
                }
2935
        }
2936
        unset($special_group_data);
2937
2938
        $sql = 'DELETE FROM ' . USER_GROUP_TABLE . "
2939
                WHERE group_id = $group_id
2940
                        AND " . $db->sql_in_set('user_id', $user_id_ary);
2941
        $db->sql_query($sql);
2942
2943
        // Clear permissions cache of relevant users
2944
        $auth->acl_clear_prefetch($user_id_ary);
2945
2946
        if (!$group_name)
2947
        {
2948
                $group_name = get_group_name($group_id);
2949
        }
2950
2951
        $log = 'LOG_GROUP_REMOVE';
2952
2953
        if ($group_name)
2954
        {
2955
                add_log('admin', $log, $group_name, implode(', ', $username_ary));
2956
        }
2957
2958
        group_update_listings($group_id);
2959
2960
        // Return false - no error
2961
        return false;
2962
}
2963
2964
2965
/**
2966
* Removes the group avatar of the default group from the users in user_ids who have that group as default.
2967
*/
2968
function remove_default_avatar($group_id, $user_ids)
2969
{
2970
        global $db;
2971
2972
        if (!is_array($user_ids))
2973
        {
2974
                $user_ids = array($user_ids);
2975
        }
2976
        if (empty($user_ids))
2977
        {
2978
                return false;
2979
        }
2980
2981
        $user_ids = array_map('intval', $user_ids);
2982
2983
        $sql = 'SELECT *
2984
                FROM ' . GROUPS_TABLE . '
2985
                WHERE group_id = ' . (int)$group_id;
2986
        $result = $db->sql_query($sql);
2987
        if (!$row = $db->sql_fetchrow($result))
2988
        {
2989
                $db->sql_freeresult($result);
2990
                return false;
2991
        }
2992
        $db->sql_freeresult($result);
2993
2994
        $sql = 'UPDATE ' . USERS_TABLE . "
2995
                SET user_avatar = '',
2996
                        user_avatar_type = 0,
2997
                        user_avatar_width = 0,
2998
                        user_avatar_height = 0
2999
                WHERE group_id = " . (int) $group_id . "
3000
                AND user_avatar = '" . $db->sql_escape($row['group_avatar']) . "'
3001
                AND " . $db->sql_in_set('user_id', $user_ids);
3002
3003
        $db->sql_query($sql);
3004
}
3005
3006
/**
3007
* Removes the group rank of the default group from the users in user_ids who have that group as default.
3008
*/
3009
function remove_default_rank($group_id, $user_ids)
3010
{
3011
        global $db;
3012
3013
        if (!is_array($user_ids))
3014
        {
3015
                $user_ids = array($user_ids);
3016
        }
3017
        if (empty($user_ids))
3018
        {
3019
                return false;
3020
        }
3021
3022
        $user_ids = array_map('intval', $user_ids);
3023
3024
        $sql = 'SELECT *
3025
                FROM ' . GROUPS_TABLE . '
3026
                WHERE group_id = ' . (int)$group_id;
3027
        $result = $db->sql_query($sql);
3028
        if (!$row = $db->sql_fetchrow($result))
3029
        {
3030
                $db->sql_freeresult($result);
3031
                return false;
3032
        }
3033
        $db->sql_freeresult($result);
3034
3035
        $sql = 'UPDATE ' . USERS_TABLE . '
3036
                SET user_rank = 0
3037
                WHERE group_id = ' . (int)$group_id . '
3038
                AND user_rank <> 0
3039
                AND user_rank = ' . (int)$row['group_rank'] . '
3040
                AND ' . $db->sql_in_set('user_id', $user_ids);
3041
        $db->sql_query($sql);
3042
}
3043
3044
/**
3045
* This is used to promote (to leader), demote or set as default a member/s
3046
*/
3047
function group_user_attributes($action, $group_id, $user_id_ary = false, $username_ary = false, $group_name = false, $group_attributes = false)
3048
{
3049
        global $db, $auth, $phpbb_root_path, $phpEx, $config;
3050
3051
        // We need both username and user_id info
3052
        $result = user_get_id_name($user_id_ary, $username_ary);
3053
3054
        if (!sizeof($user_id_ary) || $result !== false)
3055
        {
3056
                return 'NO_USERS';
3057
        }
3058
3059
        if (!$group_name)
3060
        {
3061
                $group_name = get_group_name($group_id);
3062
        }
3063
3064
        switch ($action)
3065
        {
3066
                case 'demote':
3067
                case 'promote':
3068
3069
                        $sql = 'SELECT user_id FROM ' . USER_GROUP_TABLE . "
3070
                                WHERE group_id = $group_id
3071
                                        AND user_pending = 1
3072
                                        AND " . $db->sql_in_set('user_id', $user_id_ary);
3073
                        $result = $db->sql_query_limit($sql, 1);
3074
                        $not_empty = ($db->sql_fetchrow($result));
3075
                        $db->sql_freeresult($result);
3076
                        if ($not_empty)
3077
                        {
3078
                                return 'NO_VALID_USERS';
3079
                        }
3080
3081
                        $sql = 'UPDATE ' . USER_GROUP_TABLE . '
3082
                                SET group_leader = ' . (($action == 'promote') ? 1 : 0) . "
3083
                                WHERE group_id = $group_id
3084
                                        AND user_pending = 0
3085
                                        AND " . $db->sql_in_set('user_id', $user_id_ary);
3086
                        $db->sql_query($sql);
3087
3088
                        $log = ($action == 'promote') ? 'LOG_GROUP_PROMOTED' : 'LOG_GROUP_DEMOTED';
3089
                break;
3090
3091
                case 'approve':
3092
                        // Make sure we only approve those which are pending ;)
3093
                        $sql = 'SELECT u.user_id, u.user_email, u.username, u.username_clean, u.user_notify_type, u.user_jabber, u.user_lang
3094
                                FROM ' . USERS_TABLE . ' u, ' . USER_GROUP_TABLE . ' ug
3095
                                WHERE ug.group_id = ' . $group_id . '
3096
                                        AND ug.user_pending = 1
3097
                                        AND ug.user_id = u.user_id
3098
                                        AND ' . $db->sql_in_set('ug.user_id', $user_id_ary);
3099
                        $result = $db->sql_query($sql);
3100
3101
                        $user_id_ary = $email_users = array();
3102
                        while ($row = $db->sql_fetchrow($result))
3103
                        {
3104
                                $user_id_ary[] = $row['user_id'];
3105
                                $email_users[] = $row;
3106
                        }
3107
                        $db->sql_freeresult($result);
3108
3109
                        if (!sizeof($user_id_ary))
3110
                        {
3111
                                return false;
3112
                        }
3113
3114
                        $sql = 'UPDATE ' . USER_GROUP_TABLE . "
3115
                                SET user_pending = 0
3116
                                WHERE group_id = $group_id
3117
                                        AND " . $db->sql_in_set('user_id', $user_id_ary);
3118
                        $db->sql_query($sql);
3119
3120
                        // Send approved email to users...
3121
                        include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);
3122
                        $messenger = new messenger();
3123
3124
                        foreach ($email_users as $row)
3125
                        {
3126
                                $messenger->template('group_approved', $row['user_lang']);
3127
3128
                                $messenger->to($row['user_email'], $row['username']);
3129
                                $messenger->im($row['user_jabber'], $row['username']);
3130
3131
                                $messenger->assign_vars(array(
3132
                                        'USERNAME'                => htmlspecialchars_decode($row['username']),
3133
                                        'GROUP_NAME'        => htmlspecialchars_decode($group_name),
3134
                                        'U_GROUP'                => generate_board_url() . "/ucp.$phpEx?i=groups&mode=membership")
3135
                                );
3136
3137
                                $messenger->send($row['user_notify_type']);
3138
                        }
3139
3140
                        $messenger->save_queue();
3141
3142
                        $log = 'LOG_USERS_APPROVED';
3143
                break;
3144
3145
                case 'default':
3146
                        // We only set default group for approved members of the group
3147
                        $sql = 'SELECT user_id
3148
                                FROM ' . USER_GROUP_TABLE . "
3149
                                WHERE group_id = $group_id
3150
                                        AND user_pending = 0
3151
                                        AND " . $db->sql_in_set('user_id', $user_id_ary);
3152
                        $result = $db->sql_query($sql);
3153
3154
                        $user_id_ary = $username_ary = array();
3155
                        while ($row = $db->sql_fetchrow($result))
3156
                        {
3157
                                $user_id_ary[] = $row['user_id'];
3158
                        }
3159
                        $db->sql_freeresult($result);
3160
3161
                        $result = user_get_id_name($user_id_ary, $username_ary);
3162
                        if (!sizeof($user_id_ary) || $result !== false)
3163
                        {
3164
                                return 'NO_USERS';
3165
                        }
3166
3167
                        $sql = 'SELECT user_id, group_id FROM ' . USERS_TABLE . '
3168
                                WHERE ' . $db->sql_in_set('user_id', $user_id_ary, false, true);
3169
                        $result = $db->sql_query($sql);
3170
3171
                        $groups = array();
3172
                        while ($row = $db->sql_fetchrow($result))
3173
                        {
3174
                                if (!isset($groups[$row['group_id']]))
3175
                                {
3176
                                        $groups[$row['group_id']] = array();
3177
                                }
3178
                                $groups[$row['group_id']][] = $row['user_id'];
3179
                        }
3180
                        $db->sql_freeresult($result);
3181
3182
                        foreach ($groups as $gid => $uids)
3183
                        {
3184
                                remove_default_rank($gid, $uids);
3185
                                remove_default_avatar($gid, $uids);
3186
                        }
3187
                        group_set_user_default($group_id, $user_id_ary, $group_attributes);
3188
                        $log = 'LOG_GROUP_DEFAULTS';
3189
                break;
3190
        }
3191
3192
        // Clear permissions cache of relevant users
3193
        $auth->acl_clear_prefetch($user_id_ary);
3194
3195
        add_log('admin', $log, $group_name, implode(', ', $username_ary));
3196
3197
        group_update_listings($group_id);
3198
3199
        return false;
3200
}
3201
3202
/**
3203
* A small version of validate_username to check for a group name's existence. To be called directly.
3204
*/
3205
function group_validate_groupname($group_id, $group_name)
3206
{
3207
        global $config, $db;
3208
3209
        $group_name =  utf8_clean_string($group_name);
3210
3211
        if (!empty($group_id))
3212
        {
3213
                $sql = 'SELECT group_name
3214
                        FROM ' . GROUPS_TABLE . '
3215
                        WHERE group_id = ' . (int) $group_id;
3216
                $result = $db->sql_query($sql);
3217
                $row = $db->sql_fetchrow($result);
3218
                $db->sql_freeresult($result);
3219
3220
                if (!$row)
3221
                {
3222
                        return false;
3223
                }
3224
3225
                $allowed_groupname = utf8_clean_string($row['group_name']);
3226
3227
                if ($allowed_groupname == $group_name)
3228
                {
3229
                        return false;
3230
                }
3231
        }
3232
3233
        $sql = 'SELECT group_name
3234
                FROM ' . GROUPS_TABLE . "
3235
                WHERE LOWER(group_name) = '" . $db->sql_escape(utf8_strtolower($group_name)) . "'";
3236
        $result = $db->sql_query($sql);
3237
        $row = $db->sql_fetchrow($result);
3238
        $db->sql_freeresult($result);
3239
3240
        if ($row)
3241
        {
3242
                return 'GROUP_NAME_TAKEN';
3243
        }
3244
3245
        return false;
3246
}
3247
3248
/**
3249
* Set users default group
3250
*
3251
* @access private
3252
*/
3253
function group_set_user_default($group_id, $user_id_ary, $group_attributes = false, $update_listing = false)
3254
{
3255
        global $cache, $db;
3256
3257
        if (empty($user_id_ary))
3258
        {
3259
                return;
3260
        }
3261
3262
        $attribute_ary = array(
3263
                'group_colour'                        => 'string',
3264
                'group_rank'                        => 'int',
3265
                'group_avatar'                        => 'string',
3266
                'group_avatar_type'                => 'int',
3267
                'group_avatar_width'        => 'int',
3268
                'group_avatar_height'        => 'int',
3269
        );
3270
3271
        $sql_ary = array(
3272
                'group_id'                => $group_id
3273
        );
3274
3275
        // Were group attributes passed to the function? If not we need to obtain them
3276
        if ($group_attributes === false)
3277
        {
3278
                $sql = 'SELECT ' . implode(', ', array_keys($attribute_ary)) . '
3279
                        FROM ' . GROUPS_TABLE . "
3280
                        WHERE group_id = $group_id";
3281
                $result = $db->sql_query($sql);
3282
                $group_attributes = $db->sql_fetchrow($result);
3283
                $db->sql_freeresult($result);
3284
        }
3285
3286
        foreach ($attribute_ary as $attribute => $type)
3287
        {
3288
                if (isset($group_attributes[$attribute]))
3289
                {
3290
                        // If we are about to set an avatar or rank, we will not overwrite with empty, unless we are not actually changing the default group
3291
                        if ((strpos($attribute, 'group_avatar') === 0 || strpos($attribute, 'group_rank') === 0) && !$group_attributes[$attribute])
3292
                        {
3293
                                continue;
3294
                        }
3295
3296
                        settype($group_attributes[$attribute], $type);
3297
                        $sql_ary[str_replace('group_', 'user_', $attribute)] = $group_attributes[$attribute];
3298
                }
3299
        }
3300
3301
        // Before we update the user attributes, we will make a list of those having now the group avatar assigned
3302
        if (isset($sql_ary['user_avatar']))
3303
        {
3304
                // Ok, get the original avatar data from users having an uploaded one (we need to remove these from the filesystem)
3305
                $sql = 'SELECT user_id, group_id, user_avatar
3306
                        FROM ' . USERS_TABLE . '
3307
                        WHERE ' . $db->sql_in_set('user_id', $user_id_ary) . '
3308
                                AND user_avatar_type = ' . AVATAR_UPLOAD;
3309
                $result = $db->sql_query($sql);
3310
3311
                while ($row = $db->sql_fetchrow($result))
3312
                {
3313
                        avatar_delete('user', $row);
3314
                }
3315
                $db->sql_freeresult($result);
3316
        }
3317
        else
3318
        {
3319
                unset($sql_ary['user_avatar_type']);
3320
                unset($sql_ary['user_avatar_height']);
3321
                unset($sql_ary['user_avatar_width']);
3322
        }
3323
3324
        $sql = 'UPDATE ' . USERS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . '
3325
                WHERE ' . $db->sql_in_set('user_id', $user_id_ary);
3326
        $db->sql_query($sql);
3327
3328
        if (isset($sql_ary['user_colour']))
3329
        {
3330
                // Update any cached colour information for these users
3331
                $sql = 'UPDATE ' . FORUMS_TABLE . " SET forum_last_poster_colour = '" . $db->sql_escape($sql_ary['user_colour']) . "'
3332
                        WHERE " . $db->sql_in_set('forum_last_poster_id', $user_id_ary);
3333
                $db->sql_query($sql);
3334
3335
                $sql = 'UPDATE ' . TOPICS_TABLE . " SET topic_first_poster_colour = '" . $db->sql_escape($sql_ary['user_colour']) . "'
3336
                        WHERE " . $db->sql_in_set('topic_poster', $user_id_ary);
3337
                $db->sql_query($sql);
3338
3339
                $sql = 'UPDATE ' . TOPICS_TABLE . " SET topic_last_poster_colour = '" . $db->sql_escape($sql_ary['user_colour']) . "'
3340
                        WHERE " . $db->sql_in_set('topic_last_poster_id', $user_id_ary);
3341
                $db->sql_query($sql);
3342
3343
                global $config;
3344
3345
                if (in_array($config['newest_user_id'], $user_id_ary))
3346
                {
3347
                        set_config('newest_user_colour', $sql_ary['user_colour'], true);
3348
                }
3349
        }
3350
3351
        if ($update_listing)
3352
        {
3353
                group_update_listings($group_id);
3354
        }
3355
3356
        // Because some tables/caches use usercolour-specific data we need to purge this here.
3357
        $cache->destroy('sql', MODERATOR_CACHE_TABLE);
3358
}
3359
3360
/**
3361
* Get group name
3362
*/
3363
function get_group_name($group_id)
3364
{
3365
        global $db, $user;
3366
3367
        $sql = 'SELECT group_name, group_type
3368
                FROM ' . GROUPS_TABLE . '
3369
                WHERE group_id = ' . (int) $group_id;
3370
        $result = $db->sql_query($sql);
3371
        $row = $db->sql_fetchrow($result);
3372
        $db->sql_freeresult($result);
3373
3374
        if (!$row || ($row['group_type'] == GROUP_SPECIAL && empty($user->lang)))
3375
        {
3376
                return '';
3377
        }
3378
3379
        return ($row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $row['group_name']] : $row['group_name'];
3380
}
3381
3382
/**
3383
* Obtain either the members of a specified group, the groups the specified user is subscribed to
3384
* or checking if a specified user is in a specified group. This function does not return pending memberships.
3385
*
3386
* Note: Never use this more than once... first group your users/groups
3387
*/
3388
function group_memberships($group_id_ary = false, $user_id_ary = false, $return_bool = false)
3389
{
3390
        global $db;
3391
3392
        if (!$group_id_ary && !$user_id_ary)
3393
        {
3394
                return true;
3395
        }
3396
3397
        if ($user_id_ary)
3398
        {
3399
                $user_id_ary = (!is_array($user_id_ary)) ? array($user_id_ary) : $user_id_ary;
3400
        }
3401
3402
        if ($group_id_ary)
3403
        {
3404
                $group_id_ary = (!is_array($group_id_ary)) ? array($group_id_ary) : $group_id_ary;
3405
        }
3406
3407
        $sql = 'SELECT ug.*, u.username, u.username_clean, u.user_email
3408
                FROM ' . USER_GROUP_TABLE . ' ug, ' . USERS_TABLE . ' u
3409
                WHERE ug.user_id = u.user_id
3410
                        AND ug.user_pending = 0 AND ';
3411
3412
        if ($group_id_ary)
3413
        {
3414
                $sql .= ' ' . $db->sql_in_set('ug.group_id', $group_id_ary);
3415
        }
3416
3417
        if ($user_id_ary)
3418
        {
3419
                $sql .= ($group_id_ary) ? ' AND ' : ' ';
3420
                $sql .= $db->sql_in_set('ug.user_id', $user_id_ary);
3421
        }
3422
3423
        $result = ($return_bool) ? $db->sql_query_limit($sql, 1) : $db->sql_query($sql);
3424
3425
        $row = $db->sql_fetchrow($result);
3426
3427
        if ($return_bool)
3428
        {
3429
                $db->sql_freeresult($result);
3430
                return ($row) ? true : false;
3431
        }
3432
3433
        if (!$row)
3434
        {
3435
                return false;
3436
        }
3437
3438
        $return = array();
3439
3440
        do
3441
        {
3442
                $return[] = $row;
3443
        }
3444
        while ($row = $db->sql_fetchrow($result));
3445
3446
        $db->sql_freeresult($result);
3447
3448
        return $return;
3449
}
3450
3451
/**
3452
* Re-cache moderators and foes if group has a_ or m_ permissions
3453
*/
3454
function group_update_listings($group_id)
3455
{
3456
        global $auth;
3457
3458
        $hold_ary = $auth->acl_group_raw_data($group_id, array('a_', 'm_'));
3459
3460
        if (!sizeof($hold_ary))
3461
        {
3462
                return;
3463
        }
3464
3465
        $mod_permissions = $admin_permissions = false;
3466
3467
        foreach ($hold_ary as $g_id => $forum_ary)
3468
        {
3469
                foreach ($forum_ary as $forum_id => $auth_ary)
3470
                {
3471
                        foreach ($auth_ary as $auth_option => $setting)
3472
                        {
3473
                                if ($mod_permissions && $admin_permissions)
3474
                                {
3475
                                        break 3;
3476
                                }
3477
3478
                                if ($setting != ACL_YES)
3479
                                {
3480
                                        continue;
3481
                                }
3482
3483
                                if ($auth_option == 'm_')
3484
                                {
3485
                                        $mod_permissions = true;
3486
                                }
3487
3488
                                if ($auth_option == 'a_')
3489
                                {
3490
                                        $admin_permissions = true;
3491
                                }
3492
                        }
3493
                }
3494
        }
3495
3496
        if ($mod_permissions)
3497
        {
3498
                if (!function_exists('cache_moderators'))
3499
                {
3500
                        global $phpbb_root_path, $phpEx;
3501
                        include($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
3502
                }
3503
                cache_moderators();
3504
        }
3505
3506
        if ($mod_permissions || $admin_permissions)
3507
        {
3508
                if (!function_exists('update_foes'))
3509
                {
3510
                        global $phpbb_root_path, $phpEx;
3511
                        include($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
3512
                }
3513
                update_foes(array($group_id));
3514
        }
3515
}
3516
3517
3518
3519
/**
3520
* Funtion to make a user leave the NEWLY_REGISTERED system group.
3521
* @access public
3522
* @param $user_id The id of the user to remove from the group
3523
*/
3524
function remove_newly_registered($user_id, $user_data = false)
3525
{
3526
        global $db;
3527
3528
        if ($user_data === false)
3529
        {
3530
                $sql = 'SELECT *
3531
                        FROM ' . USERS_TABLE . '
3532
                        WHERE user_id = ' . $user_id;
3533
                $result = $db->sql_query($sql);
3534
                $user_row = $db->sql_fetchrow($result);
3535
                $db->sql_freeresult($result);
3536
3537
                if (!$user_row)
3538
                {
3539
                        return false;
3540
                }
3541
                else
3542
                {
3543
                        $user_data  = $user_row;
3544
                }
3545
        }
3546
3547
        if (empty($user_data['user_new']))
3548
        {
3549
                return false;
3550
        }
3551
3552
        $sql = 'SELECT group_id
3553
                FROM ' . GROUPS_TABLE . "
3554
                WHERE group_name = 'NEWLY_REGISTERED'
3555
                        AND group_type = " . GROUP_SPECIAL;
3556
        $result = $db->sql_query($sql);
3557
        $group_id = (int) $db->sql_fetchfield('group_id');
3558
        $db->sql_freeresult($result);
3559
3560
        if (!$group_id)
3561
        {
3562
                return false;
3563
        }
3564
3565
        // We need to call group_user_del here, because this function makes sure everything is correctly changed.
3566
        // A downside for a call within the session handler is that the language is not set up yet - so no log entry
3567
        group_user_del($group_id, $user_id);
3568
3569
        // Set user_new to 0 to let this not be triggered again
3570
        $sql = 'UPDATE ' . USERS_TABLE . '
3571
                SET user_new = 0
3572
                WHERE user_id = ' . $user_id;
3573
        $db->sql_query($sql);
3574
3575
        // The new users group was the users default group?
3576
        if ($user_data['group_id'] == $group_id)
3577
        {
3578
                // Which group is now the users default one?
3579
                $sql = 'SELECT group_id
3580
                        FROM ' . USERS_TABLE . '
3581
                        WHERE user_id = ' . $user_id;
3582
                $result = $db->sql_query($sql);
3583
                $user_data['group_id'] = $db->sql_fetchfield('group_id');
3584
                $db->sql_freeresult($result);
3585
        }
3586
3587
        return $user_data['group_id'];
3588
}
3589
3590
?>