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0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
a7f778a5 | 3 | * Copyright (C) 2003-2009 Polytechnique.org * |
0337d704 | 4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | **************************************************************************/ | |
21 | ||
08cce2ff | 22 | class XDB |
0337d704 | 23 | { |
32d9ae72 | 24 | private static $mysqli = null; |
25 | ||
821744e0 | 26 | public static function connect() |
32d9ae72 | 27 | { |
821744e0 | 28 | global $globals; |
e4f6c7d0 | 29 | self::$mysqli = new mysqli($globals->dbhost, $globals->dbuser, $globals->dbpwd, $globals->dbdb); |
81e9c63f | 30 | if ($globals->debug & DEBUG_BT) { |
d3f26be9 | 31 | $bt = new PlBacktrace('MySQL'); |
32 | if (mysqli_connect_errno()) { | |
33 | $bt->newEvent("MySQLI connection", 0, mysqli_connect_error()); | |
34 | return false; | |
35 | } | |
32d9ae72 | 36 | } |
e4f6c7d0 FB |
37 | self::$mysqli->autocommit(true); |
38 | self::$mysqli->set_charset($globals->dbcharset); | |
32d9ae72 | 39 | return true; |
40 | } | |
f1ca33de | 41 | |
ed3f4d3e | 42 | public static function _prepare($args) |
43 | { | |
4d6eeacc | 44 | global $globals; |
f62bd784 | 45 | $query = array_map(Array('XDB', 'escape'), $args); |
4d6eeacc VZ |
46 | $query[0] = preg_replace('/#([a-z0-9]*)#/', $globals->dbprefix . '$1', $args[0]); |
47 | $query[0] = str_replace('%', '%%', $query[0]); | |
48 | $query[0] = str_replace('{?}', '%s', $query[0]); | |
0337d704 | 49 | return call_user_func_array('sprintf', $query); |
50 | } | |
13a25546 | 51 | |
6995a9b9 | 52 | public static function _reformatQuery($query) |
7c571120 | 53 | { |
a4f89886 | 54 | $query = preg_split("/\n\\s*/", trim($query)); |
7c571120 | 55 | $length = 0; |
d3c52d30 | 56 | foreach ($query as $key=>$line) { |
57 | $local = -2; | |
a14159bf | 58 | if (preg_match('/^([A-Z]+(?:\s+(?:JOIN|BY|FROM|INTO))?)\s+(.*)/u', $line, $matches) |
85d3b330 | 59 | && $matches[1] != 'AND' && $matches[1] != 'OR') |
60 | { | |
d3c52d30 | 61 | $local = strlen($matches[1]); |
62 | $line = $matches[1] . ' ' . $matches[2]; | |
63 | $length = max($length, $local); | |
7c571120 | 64 | } |
d3c52d30 | 65 | $query[$key] = array($line, $local); |
7c571120 | 66 | } |
67 | $res = ''; | |
d3c52d30 | 68 | foreach ($query as $array) { |
69 | list($line, $local) = $array; | |
9630c649 | 70 | $local = max(0, $length - $local); |
7c571120 | 71 | $res .= str_repeat(' ', $local) . $line . "\n"; |
72 | $length += 2 * (substr_count($line, '(') - substr_count($line, ')')); | |
73 | } | |
74 | return $res; | |
75 | } | |
76 | ||
ed3f4d3e | 77 | public static function _query($query) |
78 | { | |
f1ca33de | 79 | global $globals; |
80 | ||
e4f6c7d0 | 81 | if (!self::$mysqli && !self::connect()) { |
12ccfec7 | 82 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
83 | Platal::page()->kill('Impossible de se connecter à la base de données.'); |
84 | exit; | |
821744e0 | 85 | } |
86 | ||
81e9c63f | 87 | if ($globals->debug & DEBUG_BT) { |
f1ca33de | 88 | $explain = array(); |
5fb22b39 | 89 | if (strpos($query, 'FOUND_ROWS()') === false) { |
e4f6c7d0 | 90 | $res = self::$mysqli->query("EXPLAIN $query"); |
32d9ae72 | 91 | if ($res) { |
92 | while ($row = $res->fetch_assoc()) { | |
5fb22b39 | 93 | $explain[] = $row; |
94 | } | |
32d9ae72 | 95 | $res->free(); |
5fb22b39 | 96 | } |
f1ca33de | 97 | } |
d3f26be9 | 98 | PlBacktrace::$bt['MySQL']->start(XDB::_reformatQuery($query)); |
f1ca33de | 99 | } |
100 | ||
32d9ae72 | 101 | $res = XDB::$mysqli->query($query); |
0381e170 | 102 | |
81e9c63f | 103 | if ($globals->debug & DEBUG_BT) { |
e4f6c7d0 FB |
104 | PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : self::$mysqli->affected_rows, |
105 | self::$mysqli->error, | |
d3f26be9 | 106 | $explain); |
f1ca33de | 107 | } |
084a60da FB |
108 | |
109 | if ($res === false) { | |
12ccfec7 | 110 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
111 | if (strpos($query, 'INSERT') === false && strpos($query, 'UPDATE') === false |
112 | && strpos($query, 'REPLACE') === false && strpos($query, 'DELETE') === false) { | |
7f10bc61 | 113 | $text = 'Erreur lors de l\'interrogation de la base de données'; |
084a60da | 114 | } else { |
7f10bc61 | 115 | $text = 'Erreur lors de l\'écriture dans la base de données'; |
084a60da | 116 | } |
7f10bc61 FB |
117 | if ($globals->debug) { |
118 | $text .= '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>'; | |
f8eaef22 FB |
119 | } else { |
120 | $file = fopen($globals->spoolroot . '/spool/tmp/query_errors', 'a'); | |
121 | fwrite($file, '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>' | |
122 | . '<pre>' . XDB::$mysqli->error . '</pre>' . "\n"); | |
123 | fclose($file); | |
7f10bc61 FB |
124 | } |
125 | Platal::page()->kill($text); | |
084a60da FB |
126 | exit; |
127 | } | |
f1ca33de | 128 | return $res; |
129 | } | |
130 | ||
e4f6c7d0 FB |
131 | private static function queryv($query) |
132 | { | |
133 | return new XOrgDBResult(self::_prepare($query)); | |
134 | } | |
135 | ||
6995a9b9 | 136 | public static function query() |
0337d704 | 137 | { |
e4f6c7d0 | 138 | return self::queryv(func_get_args()); |
0337d704 | 139 | } |
140 | ||
20973bf8 FB |
141 | public static function format() |
142 | { | |
e4f6c7d0 | 143 | return self::_prepare(func_get_args()); |
20973bf8 FB |
144 | } |
145 | ||
0ef5bd4b FB |
146 | // Produce the SQL statement for setting/unsetting a flag |
147 | public static function changeFlag($fieldname, $flagname, $state) | |
148 | { | |
149 | if ($state) { | |
150 | return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname); | |
151 | } else { | |
152 | return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname); | |
153 | } | |
154 | } | |
155 | ||
156 | // Produce the SQL statement representing an array | |
157 | public static function formatArray(array $array) | |
158 | { | |
159 | return '(' . implode(', ', array_map(array('XDB', 'escape'), $array)) . ')'; | |
160 | } | |
161 | ||
adf947ff RB |
162 | const WILDCARD_EXACT = 0x00; |
163 | const WILDCARD_PREFIX = 0x01; | |
164 | const WILDCARD_SUFFIX = 0x02; | |
165 | const WILDCARD_CONTAINS = 0x03; // WILDCARD_PREFIX | WILDCARD_SUFFIX | |
166 | ||
167 | // Returns the SQL statement for a wildcard search. | |
168 | public static function formatWildcards($mode, $text) | |
169 | { | |
170 | if ($mode == self::WILDCARD_EXACT) { | |
171 | return XDB::format(' = {?}', $text); | |
172 | } else { | |
173 | $text = str_replace(array('%', '_'), array('\%', '\_'), $text); | |
174 | if ($mode & self::WILDCARD_PREFIX) { | |
175 | $text = $text . '%'; | |
176 | } | |
177 | if ($mode & self::WILDCARD_SUFFIX) { | |
178 | $text = '%' . $text; | |
179 | } | |
180 | return XDB::format(" LIKE {?}", $text); | |
181 | } | |
182 | } | |
183 | ||
6995a9b9 | 184 | public static function execute() |
f1ca33de | 185 | { |
fe556813 FB |
186 | global $globals; |
187 | $args = func_get_args(); | |
188 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
189 | return; | |
190 | } | |
e4f6c7d0 | 191 | return self::_query(XDB::_prepare($args)); |
0337d704 | 192 | } |
13a25546 | 193 | |
6995a9b9 | 194 | public static function iterator() |
0337d704 | 195 | { |
e4f6c7d0 | 196 | return new XOrgDBIterator(self::_prepare(func_get_args())); |
0337d704 | 197 | } |
13a25546 | 198 | |
6995a9b9 | 199 | public static function iterRow() |
0337d704 | 200 | { |
e4f6c7d0 FB |
201 | return new XOrgDBIterator(self::_prepare(func_get_args()), MYSQL_NUM); |
202 | } | |
203 | ||
204 | private static function findQuery($params, $default = array()) | |
205 | { | |
206 | for ($i = 0 ; $i < count($default) ; ++$i) { | |
207 | $is_query = false; | |
208 | foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) { | |
209 | if (stripos($params[0], $kwd) !== false) { | |
210 | $is_query = true; | |
211 | break; | |
212 | } | |
213 | } | |
214 | if ($is_query) { | |
215 | break; | |
216 | } else { | |
217 | $default[$i] = array_shift($params); | |
218 | } | |
219 | } | |
220 | return array($default, $params); | |
221 | } | |
222 | ||
223 | /** Fetch all rows returned by the given query. | |
224 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllRow()). | |
225 | * Optional arguments are given *before* the query. | |
226 | */ | |
227 | public static function fetchAllRow() | |
228 | { | |
229 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
230 | return self::queryv($query)->fetchAllRow($args[0], $args[1]); | |
231 | } | |
232 | ||
233 | /** Fetch all rows returned by the given query. | |
234 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllAssoc()). | |
235 | * Optional arguments are given *before* the query. | |
236 | */ | |
237 | public static function fetchAllAssoc() | |
238 | { | |
239 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
240 | return self::queryv($query)->fetchAllAssoc($args[0], $args[1]); | |
241 | } | |
242 | ||
243 | public static function fetchOneCell() | |
244 | { | |
245 | list($args, $query) = self::findQuery(func_get_args()); | |
246 | return self::queryv($query)->fetchOneCell(); | |
247 | } | |
248 | ||
249 | public static function fetchOneRow() | |
250 | { | |
251 | list($args, $query) = self::findQuery(func_get_args()); | |
252 | return self::queryv($query)->fetchOneRow(); | |
253 | } | |
254 | ||
255 | public static function fetchOneAssoc() | |
256 | { | |
257 | list($args, $query) = self::findQuery(func_get_args()); | |
258 | return self::queryv($query)->fetchOneAssoc(); | |
259 | } | |
260 | ||
261 | /** Fetch a column from the result of the given query. | |
262 | * This functions can take 1 optional arguments (cf XOrgDBResult::fetchColumn()). | |
263 | * Optional arguments are given *before* the query. | |
264 | */ | |
265 | public static function fetchColumn() | |
266 | { | |
267 | list($args, $query) = self::findQuery(func_get_args(), array(0)); | |
268 | return self::queryv($query)->fetchColumn(); | |
0337d704 | 269 | } |
13a25546 | 270 | |
6995a9b9 | 271 | public static function insertId() |
13a25546 | 272 | { |
e4f6c7d0 | 273 | return self::$mysqli->insert_id; |
13a25546 | 274 | } |
275 | ||
0380bf85 | 276 | public static function errno() |
277 | { | |
e4f6c7d0 | 278 | return self::$mysqli->errno; |
0380bf85 | 279 | } |
280 | ||
281 | public static function error() | |
834fd0f6 | 282 | { |
e4f6c7d0 | 283 | return self::$mysqli->error; |
0380bf85 | 284 | } |
285 | ||
286 | public static function affectedRows() | |
287 | { | |
e4f6c7d0 | 288 | return self::$mysqli->affected_rows; |
0380bf85 | 289 | } |
290 | ||
f62bd784 | 291 | public static function escape($var) |
0337d704 | 292 | { |
293 | switch (gettype($var)) { | |
13a25546 | 294 | case 'boolean': |
295 | return $var ? 1 : 0; | |
296 | ||
297 | case 'integer': | |
298 | case 'double': | |
299 | case 'float': | |
300 | return $var; | |
301 | ||
302 | case 'string': | |
303 | return "'".addslashes($var)."'"; | |
304 | ||
305 | case 'NULL': | |
306 | return 'NULL'; | |
307 | ||
308 | case 'object': | |
113f6de8 | 309 | if ($var instanceof PlFlagSet) { |
04c1b2eb FB |
310 | return "'" . addslashes($var->flags()) . "'"; |
311 | } | |
13a25546 | 312 | case 'array': |
313 | return "'".addslashes(serialize($var))."'"; | |
314 | ||
315 | default: | |
316 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 317 | } |
318 | } | |
0337d704 | 319 | } |
320 | ||
0337d704 | 321 | class XOrgDBResult |
322 | { | |
0337d704 | 323 | |
32d9ae72 | 324 | private $_res; |
0337d704 | 325 | |
0381e170 | 326 | public function __construct($query) |
0337d704 | 327 | { |
755abda6 | 328 | $this->_res = XDB::_query($query); |
0337d704 | 329 | } |
330 | ||
0381e170 | 331 | public function free() |
0337d704 | 332 | { |
0381e170 | 333 | if ($this->_res) { |
334 | $this->_res->free(); | |
335 | } | |
0337d704 | 336 | unset($this); |
337 | } | |
338 | ||
0381e170 | 339 | protected function _fetchRow() |
0337d704 | 340 | { |
0381e170 | 341 | return $this->_res ? $this->_res->fetch_row() : null; |
0337d704 | 342 | } |
343 | ||
0381e170 | 344 | protected function _fetchAssoc() |
0337d704 | 345 | { |
0381e170 | 346 | return $this->_res ? $this->_res->fetch_assoc() : null; |
0337d704 | 347 | } |
348 | ||
e4f6c7d0 | 349 | public function fetchAllRow($id = false, $keep_array = false) |
0337d704 | 350 | { |
351 | $result = Array(); | |
0381e170 | 352 | if (!$this->_res) { |
353 | return $result; | |
354 | } | |
e4f6c7d0 FB |
355 | while (($data = $this->_res->fetch_row())) { |
356 | if ($id !== false) { | |
357 | $key = $data[$id]; | |
358 | unset($data[$id]); | |
359 | if (!$keep_array && count($data) == 1) { | |
360 | reset($data); | |
361 | $result[$key] = current($data); | |
362 | } else { | |
363 | $result[$key] = $data; | |
364 | } | |
365 | } else { | |
366 | $result[] = $data; | |
367 | } | |
368 | } | |
0337d704 | 369 | $this->free(); |
370 | return $result; | |
371 | } | |
372 | ||
e4f6c7d0 | 373 | public function fetchAllAssoc($id = false, $keep_array = false) |
0337d704 | 374 | { |
375 | $result = Array(); | |
0381e170 | 376 | if (!$this->_res) { |
377 | return $result; | |
378 | } | |
e4f6c7d0 FB |
379 | while (($data = $this->_res->fetch_assoc())) { |
380 | if ($id !== false) { | |
381 | $key = $data[$id]; | |
382 | unset($data[$id]); | |
383 | if (!$keep_array && count($data) == 1) { | |
384 | reset($data); | |
385 | $result[$key] = current($data); | |
386 | } else { | |
387 | $result[$key] = $data; | |
388 | } | |
389 | } else { | |
390 | $result[] = $data; | |
391 | } | |
392 | } | |
0337d704 | 393 | $this->free(); |
394 | return $result; | |
395 | } | |
396 | ||
0381e170 | 397 | public function fetchOneAssoc() |
0337d704 | 398 | { |
399 | $tmp = $this->_fetchAssoc(); | |
400 | $this->free(); | |
401 | return $tmp; | |
402 | } | |
403 | ||
0381e170 | 404 | public function fetchOneRow() |
0337d704 | 405 | { |
406 | $tmp = $this->_fetchRow(); | |
407 | $this->free(); | |
408 | return $tmp; | |
409 | } | |
410 | ||
0381e170 | 411 | public function fetchOneCell() |
0337d704 | 412 | { |
413 | $tmp = $this->_fetchRow(); | |
414 | $this->free(); | |
415 | return $tmp[0]; | |
416 | } | |
417 | ||
0381e170 | 418 | public function fetchColumn($key = 0) |
0337d704 | 419 | { |
420 | $res = Array(); | |
421 | if (is_numeric($key)) { | |
422 | while($tmp = $this->_fetchRow()) { | |
423 | $res[] = $tmp[$key]; | |
424 | } | |
425 | } else { | |
426 | while($tmp = $this->_fetchAssoc()) { | |
427 | $res[] = $tmp[$key]; | |
428 | } | |
429 | } | |
430 | $this->free(); | |
431 | return $res; | |
432 | } | |
433 | ||
0381e170 | 434 | public function fetchOneField() |
0380bf85 | 435 | { |
0381e170 | 436 | return $this->_res ? $this->_res->fetch_field() : null; |
0380bf85 | 437 | } |
438 | ||
0381e170 | 439 | public function fetchFields() |
0380bf85 | 440 | { |
441 | $res = array(); | |
442 | while ($res[] = $this->fetchOneField()); | |
443 | return $res; | |
444 | } | |
445 | ||
0381e170 | 446 | public function numRows() |
0337d704 | 447 | { |
0381e170 | 448 | return $this->_res ? $this->_res->num_rows : 0; |
0337d704 | 449 | } |
0380bf85 | 450 | |
0381e170 | 451 | public function fieldCount() |
0380bf85 | 452 | { |
0381e170 | 453 | return $this->_res ? $this->_res->field_count : 0; |
0380bf85 | 454 | } |
0337d704 | 455 | } |
456 | ||
2b1ee50b | 457 | require_once dirname(__FILE__) . '/pliterator.php'; |
458 | ||
0381e170 | 459 | class XOrgDBIterator extends XOrgDBResult implements PlIterator |
0337d704 | 460 | { |
85d3b330 | 461 | private $_result; |
462 | private $_pos; | |
463 | private $_total; | |
0380bf85 | 464 | private $_fpos; |
465 | private $_fields; | |
85d3b330 | 466 | private $_mode = MYSQL_ASSOC; |
0337d704 | 467 | |
0381e170 | 468 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 469 | { |
0381e170 | 470 | parent::__construct($query); |
0337d704 | 471 | $this->_pos = 0; |
0381e170 | 472 | $this->_total = $this->numRows(); |
0380bf85 | 473 | $this->_fpost = 0; |
0381e170 | 474 | $this->_fields = $this->fieldCount(); |
0337d704 | 475 | $this->_mode = $mode; |
476 | } | |
477 | ||
0381e170 | 478 | public function next() |
0337d704 | 479 | { |
480 | $this->_pos ++; | |
481 | if ($this->_pos > $this->_total) { | |
0381e170 | 482 | $this->free(); |
0337d704 | 483 | unset($this); |
484 | return null; | |
485 | } | |
0381e170 | 486 | return $this->_mode != MYSQL_ASSOC ? $this->_fetchRow() : $this->_fetchAssoc(); |
0337d704 | 487 | } |
488 | ||
0381e170 | 489 | public function first() |
0337d704 | 490 | { |
491 | return $this->_pos == 1; | |
492 | } | |
493 | ||
0381e170 | 494 | public function last() |
0337d704 | 495 | { |
0380bf85 | 496 | return $this->_pos == $this->_total; |
0337d704 | 497 | } |
498 | ||
0381e170 | 499 | public function total() |
0337d704 | 500 | { |
501 | return $this->_total; | |
502 | } | |
0380bf85 | 503 | |
0381e170 | 504 | public function nextField() |
0380bf85 | 505 | { |
506 | $this->_fpos++; | |
507 | if ($this->_fpos > $this->_fields) { | |
508 | return null; | |
509 | } | |
0381e170 | 510 | return $this->fetchOneField(); |
0380bf85 | 511 | } |
512 | ||
0381e170 | 513 | public function firstField() |
0380bf85 | 514 | { |
515 | return $this->_fpos == 1; | |
516 | } | |
517 | ||
0381e170 | 518 | public function lastField() |
0380bf85 | 519 | { |
520 | return $this->_fpos == $this->_fields; | |
521 | } | |
522 | ||
0381e170 | 523 | public function totalFields() |
0380bf85 | 524 | { |
525 | return $this->_fields; | |
526 | } | |
0337d704 | 527 | } |
528 | ||
a7de4ef7 | 529 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 530 | ?> |