1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
|
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Returns an array of available DBMS with some data, if a DBMS is specified it will only
* return data for that DBMS and will load its extension if necessary.
*/
function get_available_dbms($dbms = false, $return_unavailable = false, $only_20x_options = false)
{
global $lang;
$available_dbms = array(
// Note: php 5.5 alpha 2 deprecated mysql.
// Keep mysqli before mysql in this list.
'mysqli' => array(
'LABEL' => 'MySQL with MySQLi Extension',
'SCHEMA' => 'mysql_41',
'MODULE' => 'mysqli',
'DELIM' => ';',
'DRIVER' => 'phpbb\db\driver\mysqli',
'AVAILABLE' => true,
'2.0.x' => true,
),
'mysql' => array(
'LABEL' => 'MySQL',
'SCHEMA' => 'mysql',
'MODULE' => 'mysql',
'DELIM' => ';',
'DRIVER' => 'phpbb\db\driver\mysql',
'AVAILABLE' => true,
'2.0.x' => true,
),
'mssql' => array(
'LABEL' => 'MS SQL Server 2000+',
'SCHEMA' => 'mssql',
'MODULE' => 'mssql',
'DELIM' => 'GO',
'DRIVER' => 'phpbb\db\driver\mssql',
'AVAILABLE' => true,
'2.0.x' => true,
),
'mssql_odbc'=> array(
'LABEL' => 'MS SQL Server [ ODBC ]',
'SCHEMA' => 'mssql',
'MODULE' => 'odbc',
'DELIM' => 'GO',
'DRIVER' => 'phpbb\db\driver\mssql_odbc',
'AVAILABLE' => true,
'2.0.x' => true,
),
'mssqlnative' => array(
'LABEL' => 'MS SQL Server 2005+ [ Native ]',
'SCHEMA' => 'mssql',
'MODULE' => 'sqlsrv',
'DELIM' => 'GO',
'DRIVER' => 'phpbb\db\driver\mssqlnative',
'AVAILABLE' => true,
'2.0.x' => false,
),
'oracle' => array(
'LABEL' => 'Oracle',
'SCHEMA' => 'oracle',
'MODULE' => 'oci8',
'DELIM' => '/',
'DRIVER' => 'phpbb\db\driver\oracle',
'AVAILABLE' => true,
'2.0.x' => false,
),
'postgres' => array(
'LABEL' => 'PostgreSQL 8.3+',
'SCHEMA' => 'postgres',
'MODULE' => 'pgsql',
'DELIM' => ';',
'DRIVER' => 'phpbb\db\driver\postgres',
'AVAILABLE' => true,
'2.0.x' => true,
),
'sqlite' => array(
'LABEL' => 'SQLite',
'SCHEMA' => 'sqlite',
'MODULE' => 'sqlite',
'DELIM' => ';',
'DRIVER' => 'phpbb\db\driver\sqlite',
'AVAILABLE' => true,
'2.0.x' => false,
),
'sqlite3' => array(
'LABEL' => 'SQLite3',
'SCHEMA' => 'sqlite',
'MODULE' => 'sqlite3',
'DELIM' => ';',
'DRIVER' => 'phpbb\db\driver\sqlite3',
'AVAILABLE' => true,
'2.0.x' => false,
),
);
if ($dbms)
{
if (isset($available_dbms[$dbms]))
{
$available_dbms = array($dbms => $available_dbms[$dbms]);
}
else
{
return array();
}
}
// now perform some checks whether they are really available
foreach ($available_dbms as $db_name => $db_ary)
{
if ($only_20x_options && !$db_ary['2.0.x'])
{
if ($return_unavailable)
{
$available_dbms[$db_name]['AVAILABLE'] = false;
}
else
{
unset($available_dbms[$db_name]);
}
continue;
}
$dll = $db_ary['MODULE'];
if (!@extension_loaded($dll))
{
if ($return_unavailable)
{
$available_dbms[$db_name]['AVAILABLE'] = false;
}
else
{
unset($available_dbms[$db_name]);
}
continue;
}
$any_db_support = true;
}
if ($return_unavailable)
{
$available_dbms['ANY_DB_SUPPORT'] = $any_db_support;
}
return $available_dbms;
}
/**
* Generate the drop down of available database options
*/
function dbms_select($default = '', $only_20x_options = false)
{
global $lang;
$available_dbms = get_available_dbms(false, false, $only_20x_options);
$dbms_options = '';
foreach ($available_dbms as $dbms_name => $details)
{
$selected = ($dbms_name == $default) ? ' selected="selected"' : '';
$dbms_options .= '<option value="' . $dbms_name . '"' . $selected .'>' . $lang['DLL_' . strtoupper($dbms_name)] . '</option>';
}
return $dbms_options;
}
/**
* Get tables of a database
*
* @deprecated
*/
function get_tables(&$db)
{
$db_tools = new \phpbb\db\tools($db);
return $db_tools->sql_list_tables();
}
/**
* Used to test whether we are able to connect to the database the user has specified
* and identify any problems (eg there are already tables with the names we want to use
* @param array $dbms should be of the format of an element of the array returned by {@link get_available_dbms get_available_dbms()}
* necessary extensions should be loaded already
*/
function connect_check_db($error_connect, &$error, $dbms_details, $table_prefix, $dbhost, $dbuser, $dbpasswd, $dbname, $dbport, $prefix_may_exist = false, $load_dbal = true, $unicode_check = true)
{
global $phpbb_root_path, $phpEx, $config, $lang;
$dbms = $dbms_details['DRIVER'];
// Instantiate it and set return on error true
$db = new $dbms();
$db->sql_return_on_error(true);
// Check that we actually have a database name before going any further.....
if ($dbms_details['DRIVER'] != 'phpbb\db\driver\sqlite' && $dbms_details['DRIVER'] != 'phpbb\db\driver\sqlite3' && $dbms_details['DRIVER'] != 'phpbb\db\driver\oracle' && $dbname === '')
{
$error[] = $lang['INST_ERR_DB_NO_NAME'];
return false;
}
// Make sure we don't have a daft user who thinks having the SQLite database in the forum directory is a good idea
if (($dbms_details['DRIVER'] == 'phpbb\db\driver\sqlite' || $dbms_details['DRIVER'] == 'phpbb\db\driver\sqlite3') && stripos(phpbb_realpath($dbhost), phpbb_realpath('../')) === 0)
{
$error[] = $lang['INST_ERR_DB_FORUM_PATH'];
return false;
}
// Check the prefix length to ensure that index names are not too long and does not contain invalid characters
switch ($dbms_details['DRIVER'])
{
case 'phpbb\db\driver\mysql':
case 'phpbb\db\driver\mysqli':
if (strspn($table_prefix, '-./\\') !== 0)
{
$error[] = $lang['INST_ERR_PREFIX_INVALID'];
return false;
}
// no break;
case 'phpbb\db\driver\postgres':
$prefix_length = 36;
break;
case 'phpbb\db\driver\mssql':
case 'phpbb\db\driver\mssql_odbc':
case 'phpbb\db\driver\mssqlnative':
$prefix_length = 90;
break;
case 'phpbb\db\driver\sqlite':
case 'phpbb\db\driver\sqlite3':
$prefix_length = 200;
break;
case 'phpbb\db\driver\oracle':
$prefix_length = 6;
break;
}
if (strlen($table_prefix) > $prefix_length)
{
$error[] = sprintf($lang['INST_ERR_PREFIX_TOO_LONG'], $prefix_length);
return false;
}
// Try and connect ...
if (is_array($db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, true)))
{
$db_error = $db->sql_error();
$error[] = $lang['INST_ERR_DB_CONNECT'] . '<br />' . (($db_error['message']) ? utf8_convert_message($db_error['message']) : $lang['INST_ERR_DB_NO_ERROR']);
}
else
{
// Likely matches for an existing phpBB installation
if (!$prefix_may_exist)
{
$temp_prefix = strtolower($table_prefix);
$table_ary = array($temp_prefix . 'attachments', $temp_prefix . 'config', $temp_prefix . 'sessions', $temp_prefix . 'topics', $temp_prefix . 'users');
$tables = get_tables($db);
$tables = array_map('strtolower', $tables);
$table_intersect = array_intersect($tables, $table_ary);
if (sizeof($table_intersect))
{
$error[] = $lang['INST_ERR_PREFIX'];
}
}
// Make sure that the user has selected a sensible DBAL for the DBMS actually installed
switch ($dbms_details['DRIVER'])
{
case 'phpbb\db\driver\mysqli':
if (version_compare(mysqli_get_server_info($db->get_db_connect_id()), '4.1.3', '<'))
{
$error[] = $lang['INST_ERR_DB_NO_MYSQLI'];
}
break;
case 'phpbb\db\driver\sqlite':
if (version_compare(sqlite_libversion(), '2.8.2', '<'))
{
$error[] = $lang['INST_ERR_DB_NO_SQLITE'];
}
break;
case 'phpbb\db\driver\sqlite3':
$version = \SQLite3::version();
if (version_compare($version['versionString'], '3.6.15', '<'))
{
$error[] = $lang['INST_ERR_DB_NO_SQLITE3'];
}
break;
case 'phpbb\db\driver\oracle':
if ($unicode_check)
{
$sql = "SELECT *
FROM NLS_DATABASE_PARAMETERS
WHERE PARAMETER = 'NLS_RDBMS_VERSION'
OR PARAMETER = 'NLS_CHARACTERSET'";
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$stats[$row['parameter']] = $row['value'];
}
$db->sql_freeresult($result);
if (version_compare($stats['NLS_RDBMS_VERSION'], '9.2', '<') && $stats['NLS_CHARACTERSET'] !== 'UTF8')
{
$error[] = $lang['INST_ERR_DB_NO_ORACLE'];
}
}
break;
case 'phpbb\db\driver\postgres':
if ($unicode_check)
{
$sql = "SHOW server_encoding;";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row['server_encoding'] !== 'UNICODE' && $row['server_encoding'] !== 'UTF8')
{
$error[] = $lang['INST_ERR_DB_NO_POSTGRES'];
}
}
break;
}
}
if ($error_connect && (!isset($error) || !sizeof($error)))
{
return true;
}
return false;
}
/**
* Removes "/* style" as well as "# style" comments from $input.
*
* @param string $input Input string
*
* @return string Input string with comments removed
*/
function phpbb_remove_comments($input)
{
// Remove /* */ comments (http://ostermiller.org/findcomment.html)
$input = preg_replace('#/\*(.|[\r\n])*?\*/#', "\n", $input);
// Remove # style comments
$input = preg_replace('/\n{2,}/', "\n", preg_replace('/^#.*$/m', "\n", $input));
return $input;
}
/**
* split_sql_file will split an uploaded sql file into single sql statements.
* Note: expects trim() to have already been run on $sql.
*/
function split_sql_file($sql, $delimiter)
{
$sql = str_replace("\r" , '', $sql);
$data = preg_split('/' . preg_quote($delimiter, '/') . '$/m', $sql);
$data = array_map('trim', $data);
// The empty case
$end_data = end($data);
if (empty($end_data))
{
unset($data[key($data)]);
}
return $data;
}
/**
* For replacing {L_*} strings with preg_replace_callback
*/
function adjust_language_keys_callback($matches)
{
if (!empty($matches[1]))
{
global $lang, $db;
return (!empty($lang[$matches[1]])) ? $db->sql_escape($lang[$matches[1]]) : $db->sql_escape($matches[1]);
}
}
/**
* Creates the output to be stored in a phpBB config.php file
*
* @param array $data Array containing the database connection information
* @param string $dbms The name of the DBAL class to use
* @param bool $debug If the debug constants should be enabled by default or not
* @param bool $debug_container If the container should be compiled on
* every page load or not
* @param bool $debug_test If the DEBUG_TEST constant should be added
* NOTE: Only for use within the testing framework
*
* @return string The output to write to the file
*/
function phpbb_create_config_file_data($data, $dbms, $debug = false, $debug_container = false, $debug_test = false)
{
$config_data = "<?php\n";
$config_data .= "// phpBB 3.1.x auto-generated configuration file\n// Do not change anything in this file!\n";
$config_data_array = array(
'dbms' => $dbms,
'dbhost' => $data['dbhost'],
'dbport' => $data['dbport'],
'dbname' => $data['dbname'],
'dbuser' => $data['dbuser'],
'dbpasswd' => htmlspecialchars_decode($data['dbpasswd']),
'table_prefix' => $data['table_prefix'],
'phpbb_adm_relative_path' => 'adm/',
'acm_type' => 'phpbb\cache\driver\file',
);
foreach ($config_data_array as $key => $value)
{
$config_data .= "\${$key} = '" . str_replace("'", "\\'", str_replace('\\', '\\\\', $value)) . "';\n";
}
$config_data .= "\n@define('PHPBB_INSTALLED', true);\n";
$config_data .= "// @define('PHPBB_DISPLAY_LOAD_TIME', true);\n";
if ($debug)
{
$config_data .= "@define('DEBUG', true);\n";
}
else
{
$config_data .= "// @define('DEBUG', true);\n";
}
if ($debug_container)
{
$config_data .= "@define('DEBUG_CONTAINER', true);\n";
}
else
{
$config_data .= "// @define('DEBUG_CONTAINER', true);\n";
}
if ($debug_test)
{
$config_data .= "@define('DEBUG_TEST', true);\n";
}
return $config_data;
}
/**
* Check whether a file should be ignored on update
*
* We ignore new files in some circumstances:
* 1. The file is a language file, but the language is not installed
* 2. The file is a style file, but the style is not installed
* 3. The file is a style language file, but the language is not installed
*
* @param string $phpbb_root_path phpBB root path
* @param string $file File including path from phpbb root
* @return bool Should we ignore the new file or add it to the board?
*/
function phpbb_ignore_new_file_on_update($phpbb_root_path, $file)
{
$ignore_new_file = false;
// We ignore new files in some circumstances:
// 1. The file is a language file, but the language is not installed
if (!$ignore_new_file && strpos($file, 'language/') === 0)
{
list($language_dir, $language_iso) = explode('/', $file);
$ignore_new_file = !file_exists($phpbb_root_path . $language_dir . '/' . $language_iso);
}
// 2. The file is a style file, but the style is not installed
if (!$ignore_new_file && strpos($file, 'styles/') === 0)
{
list($styles_dir, $style_name) = explode('/', $file);
$ignore_new_file = !file_exists($phpbb_root_path . $styles_dir . '/' . $style_name);
}
// 3. The file is a style language file, but the language is not installed
if (!$ignore_new_file && strpos($file, 'styles/') === 0)
{
$dirs = explode('/', $file);
if (sizeof($dirs) >= 5)
{
list($styles_dir, $style_name, $template_component, $language_iso) = explode('/', $file);
if ($template_component == 'theme' && $language_iso !== 'images')
{
$ignore_new_file = !file_exists($phpbb_root_path . 'language/' . $language_iso);
}
}
}
return $ignore_new_file;
}
/**
* Check whether phpBB is installed.
*
* @param string $phpbb_root_path Path to the phpBB board root.
* @param string $php_ext PHP file extension.
*
* @return bool Returns true if phpBB is installed.
*/
function phpbb_check_installation_exists($phpbb_root_path, $php_ext)
{
// Try opening config file
if (file_exists($phpbb_root_path . 'config.' . $php_ext))
{
include($phpbb_root_path . 'config.' . $php_ext);
}
return defined('PHPBB_INSTALLED');
}
|
