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0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
2ab75571 | 3 | * Copyright (C) 2003-2010 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 | ||
7f6d1063 FB |
22 | class XDBException extends PlException { |
23 | public function __construct($query, $error) { | |
24 | if (strpos($query, 'INSERT') === false && strpos($query, 'UPDATE') === false | |
25 | && strpos($query, 'REPLACE') === false && strpos($query, 'DELETE') === false) { | |
26 | $text = 'Erreur lors de l\'interrogation de la base de données'; | |
27 | } else { | |
28 | $text = 'Erreur lors de l\'écriture dans la base de données'; | |
29 | } | |
30 | parent::__construct($text, $query . "\n" . $error); | |
31 | } | |
32 | } | |
33 | ||
08cce2ff | 34 | class XDB |
0337d704 | 35 | { |
32d9ae72 | 36 | private static $mysqli = null; |
37 | ||
821744e0 | 38 | public static function connect() |
32d9ae72 | 39 | { |
821744e0 | 40 | global $globals; |
e4f6c7d0 | 41 | self::$mysqli = new mysqli($globals->dbhost, $globals->dbuser, $globals->dbpwd, $globals->dbdb); |
81e9c63f | 42 | if ($globals->debug & DEBUG_BT) { |
d3f26be9 | 43 | $bt = new PlBacktrace('MySQL'); |
44 | if (mysqli_connect_errno()) { | |
45 | $bt->newEvent("MySQLI connection", 0, mysqli_connect_error()); | |
46 | return false; | |
47 | } | |
32d9ae72 | 48 | } |
e4f6c7d0 FB |
49 | self::$mysqli->autocommit(true); |
50 | self::$mysqli->set_charset($globals->dbcharset); | |
32d9ae72 | 51 | return true; |
52 | } | |
f1ca33de | 53 | |
ed3f4d3e | 54 | public static function _prepare($args) |
55 | { | |
4d6eeacc | 56 | global $globals; |
f62bd784 | 57 | $query = array_map(Array('XDB', 'escape'), $args); |
f3e3cab8 | 58 | $query[0] = preg_replace('/#([a-z0-9]+)#/', $globals->dbprefix . '$1', $args[0]); |
4d6eeacc VZ |
59 | $query[0] = str_replace('%', '%%', $query[0]); |
60 | $query[0] = str_replace('{?}', '%s', $query[0]); | |
0337d704 | 61 | return call_user_func_array('sprintf', $query); |
62 | } | |
13a25546 | 63 | |
6995a9b9 | 64 | public static function _reformatQuery($query) |
7c571120 | 65 | { |
a4f89886 | 66 | $query = preg_split("/\n\\s*/", trim($query)); |
7c571120 | 67 | $length = 0; |
d3c52d30 | 68 | foreach ($query as $key=>$line) { |
69 | $local = -2; | |
a14159bf | 70 | if (preg_match('/^([A-Z]+(?:\s+(?:JOIN|BY|FROM|INTO))?)\s+(.*)/u', $line, $matches) |
85d3b330 | 71 | && $matches[1] != 'AND' && $matches[1] != 'OR') |
72 | { | |
d3c52d30 | 73 | $local = strlen($matches[1]); |
74 | $line = $matches[1] . ' ' . $matches[2]; | |
75 | $length = max($length, $local); | |
7c571120 | 76 | } |
d3c52d30 | 77 | $query[$key] = array($line, $local); |
7c571120 | 78 | } |
79 | $res = ''; | |
d3c52d30 | 80 | foreach ($query as $array) { |
81 | list($line, $local) = $array; | |
9630c649 | 82 | $local = max(0, $length - $local); |
7c571120 | 83 | $res .= str_repeat(' ', $local) . $line . "\n"; |
84 | $length += 2 * (substr_count($line, '(') - substr_count($line, ')')); | |
85 | } | |
86 | return $res; | |
87 | } | |
88 | ||
ed3f4d3e | 89 | public static function _query($query) |
90 | { | |
f1ca33de | 91 | global $globals; |
92 | ||
e4f6c7d0 | 93 | if (!self::$mysqli && !self::connect()) { |
12ccfec7 | 94 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
95 | Platal::page()->kill('Impossible de se connecter à la base de données.'); |
96 | exit; | |
821744e0 | 97 | } |
98 | ||
81e9c63f | 99 | if ($globals->debug & DEBUG_BT) { |
f1ca33de | 100 | $explain = array(); |
5fb22b39 | 101 | if (strpos($query, 'FOUND_ROWS()') === false) { |
e4f6c7d0 | 102 | $res = self::$mysqli->query("EXPLAIN $query"); |
32d9ae72 | 103 | if ($res) { |
104 | while ($row = $res->fetch_assoc()) { | |
5fb22b39 | 105 | $explain[] = $row; |
106 | } | |
32d9ae72 | 107 | $res->free(); |
5fb22b39 | 108 | } |
f1ca33de | 109 | } |
d3f26be9 | 110 | PlBacktrace::$bt['MySQL']->start(XDB::_reformatQuery($query)); |
f1ca33de | 111 | } |
112 | ||
32d9ae72 | 113 | $res = XDB::$mysqli->query($query); |
0381e170 | 114 | |
81e9c63f | 115 | if ($globals->debug & DEBUG_BT) { |
e4f6c7d0 FB |
116 | PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : self::$mysqli->affected_rows, |
117 | self::$mysqli->error, | |
d3f26be9 | 118 | $explain); |
f1ca33de | 119 | } |
084a60da FB |
120 | |
121 | if ($res === false) { | |
7f6d1063 | 122 | throw new XDBException(XDB::_reformatQuery($query), XDB::$mysqli->error); |
084a60da | 123 | } |
f1ca33de | 124 | return $res; |
125 | } | |
126 | ||
e4f6c7d0 FB |
127 | private static function queryv($query) |
128 | { | |
129 | return new XOrgDBResult(self::_prepare($query)); | |
130 | } | |
131 | ||
6995a9b9 | 132 | public static function query() |
0337d704 | 133 | { |
e4f6c7d0 | 134 | return self::queryv(func_get_args()); |
0337d704 | 135 | } |
136 | ||
20973bf8 FB |
137 | public static function format() |
138 | { | |
e4f6c7d0 | 139 | return self::_prepare(func_get_args()); |
20973bf8 FB |
140 | } |
141 | ||
0ef5bd4b FB |
142 | // Produce the SQL statement for setting/unsetting a flag |
143 | public static function changeFlag($fieldname, $flagname, $state) | |
144 | { | |
145 | if ($state) { | |
146 | return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname); | |
147 | } else { | |
148 | return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname); | |
149 | } | |
150 | } | |
151 | ||
152 | // Produce the SQL statement representing an array | |
153 | public static function formatArray(array $array) | |
154 | { | |
e677bc13 | 155 | return self::escape($array); |
0ef5bd4b FB |
156 | } |
157 | ||
adf947ff RB |
158 | const WILDCARD_EXACT = 0x00; |
159 | const WILDCARD_PREFIX = 0x01; | |
160 | const WILDCARD_SUFFIX = 0x02; | |
161 | const WILDCARD_CONTAINS = 0x03; // WILDCARD_PREFIX | WILDCARD_SUFFIX | |
162 | ||
163 | // Returns the SQL statement for a wildcard search. | |
164 | public static function formatWildcards($mode, $text) | |
165 | { | |
166 | if ($mode == self::WILDCARD_EXACT) { | |
167 | return XDB::format(' = {?}', $text); | |
168 | } else { | |
169 | $text = str_replace(array('%', '_'), array('\%', '\_'), $text); | |
170 | if ($mode & self::WILDCARD_PREFIX) { | |
171 | $text = $text . '%'; | |
172 | } | |
173 | if ($mode & self::WILDCARD_SUFFIX) { | |
174 | $text = '%' . $text; | |
175 | } | |
176 | return XDB::format(" LIKE {?}", $text); | |
177 | } | |
178 | } | |
179 | ||
47595f9a RB |
180 | // Returns a FIELD(blah, 3, 1, 2) for use in an order with custom orders |
181 | public static function formatCustomOrder($field, $values) | |
182 | { | |
29bd16df | 183 | return 'FIELD( ' . $field . ', ' . implode(', ', array_map(array('XDB', 'escape'), $values)) . ')'; |
47595f9a RB |
184 | } |
185 | ||
6995a9b9 | 186 | public static function execute() |
f1ca33de | 187 | { |
fe556813 FB |
188 | global $globals; |
189 | $args = func_get_args(); | |
190 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
191 | return; | |
192 | } | |
e4f6c7d0 | 193 | return self::_query(XDB::_prepare($args)); |
0337d704 | 194 | } |
13a25546 | 195 | |
6995a9b9 | 196 | public static function iterator() |
0337d704 | 197 | { |
e4f6c7d0 | 198 | return new XOrgDBIterator(self::_prepare(func_get_args())); |
0337d704 | 199 | } |
13a25546 | 200 | |
6995a9b9 | 201 | public static function iterRow() |
0337d704 | 202 | { |
e4f6c7d0 FB |
203 | return new XOrgDBIterator(self::_prepare(func_get_args()), MYSQL_NUM); |
204 | } | |
205 | ||
206 | private static function findQuery($params, $default = array()) | |
207 | { | |
208 | for ($i = 0 ; $i < count($default) ; ++$i) { | |
209 | $is_query = false; | |
210 | foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) { | |
211 | if (stripos($params[0], $kwd) !== false) { | |
212 | $is_query = true; | |
213 | break; | |
214 | } | |
215 | } | |
216 | if ($is_query) { | |
217 | break; | |
218 | } else { | |
219 | $default[$i] = array_shift($params); | |
220 | } | |
221 | } | |
222 | return array($default, $params); | |
223 | } | |
224 | ||
225 | /** Fetch all rows returned by the given query. | |
226 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllRow()). | |
227 | * Optional arguments are given *before* the query. | |
228 | */ | |
229 | public static function fetchAllRow() | |
230 | { | |
231 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
232 | return self::queryv($query)->fetchAllRow($args[0], $args[1]); | |
233 | } | |
234 | ||
235 | /** Fetch all rows returned by the given query. | |
236 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllAssoc()). | |
237 | * Optional arguments are given *before* the query. | |
238 | */ | |
239 | public static function fetchAllAssoc() | |
240 | { | |
241 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
242 | return self::queryv($query)->fetchAllAssoc($args[0], $args[1]); | |
243 | } | |
244 | ||
245 | public static function fetchOneCell() | |
246 | { | |
247 | list($args, $query) = self::findQuery(func_get_args()); | |
248 | return self::queryv($query)->fetchOneCell(); | |
249 | } | |
250 | ||
251 | public static function fetchOneRow() | |
252 | { | |
253 | list($args, $query) = self::findQuery(func_get_args()); | |
254 | return self::queryv($query)->fetchOneRow(); | |
255 | } | |
256 | ||
257 | public static function fetchOneAssoc() | |
258 | { | |
259 | list($args, $query) = self::findQuery(func_get_args()); | |
260 | return self::queryv($query)->fetchOneAssoc(); | |
261 | } | |
262 | ||
263 | /** Fetch a column from the result of the given query. | |
264 | * This functions can take 1 optional arguments (cf XOrgDBResult::fetchColumn()). | |
265 | * Optional arguments are given *before* the query. | |
266 | */ | |
267 | public static function fetchColumn() | |
268 | { | |
269 | list($args, $query) = self::findQuery(func_get_args(), array(0)); | |
270 | return self::queryv($query)->fetchColumn(); | |
0337d704 | 271 | } |
13a25546 | 272 | |
6995a9b9 | 273 | public static function insertId() |
13a25546 | 274 | { |
e4f6c7d0 | 275 | return self::$mysqli->insert_id; |
13a25546 | 276 | } |
277 | ||
0380bf85 | 278 | public static function errno() |
279 | { | |
e4f6c7d0 | 280 | return self::$mysqli->errno; |
0380bf85 | 281 | } |
282 | ||
283 | public static function error() | |
834fd0f6 | 284 | { |
e4f6c7d0 | 285 | return self::$mysqli->error; |
0380bf85 | 286 | } |
287 | ||
288 | public static function affectedRows() | |
289 | { | |
e4f6c7d0 | 290 | return self::$mysqli->affected_rows; |
0380bf85 | 291 | } |
292 | ||
f62bd784 | 293 | public static function escape($var) |
0337d704 | 294 | { |
295 | switch (gettype($var)) { | |
13a25546 | 296 | case 'boolean': |
297 | return $var ? 1 : 0; | |
298 | ||
299 | case 'integer': | |
300 | case 'double': | |
301 | case 'float': | |
302 | return $var; | |
303 | ||
304 | case 'string': | |
305 | return "'".addslashes($var)."'"; | |
306 | ||
307 | case 'NULL': | |
308 | return 'NULL'; | |
309 | ||
310 | case 'object': | |
113f6de8 | 311 | if ($var instanceof PlFlagSet) { |
04c1b2eb | 312 | return "'" . addslashes($var->flags()) . "'"; |
e677bc13 FB |
313 | } else { |
314 | return "'".addslashes(serialize($var))."'"; | |
04c1b2eb | 315 | } |
e677bc13 | 316 | |
13a25546 | 317 | case 'array': |
e677bc13 | 318 | return '(' . implode(', ', array_map(array('XDB', 'escape'), $var)) . ')'; |
13a25546 | 319 | |
320 | default: | |
321 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 322 | } |
323 | } | |
0337d704 | 324 | } |
325 | ||
0337d704 | 326 | class XOrgDBResult |
327 | { | |
0337d704 | 328 | |
32d9ae72 | 329 | private $_res; |
0337d704 | 330 | |
0381e170 | 331 | public function __construct($query) |
0337d704 | 332 | { |
755abda6 | 333 | $this->_res = XDB::_query($query); |
0337d704 | 334 | } |
335 | ||
0381e170 | 336 | public function free() |
0337d704 | 337 | { |
0381e170 | 338 | if ($this->_res) { |
339 | $this->_res->free(); | |
340 | } | |
0337d704 | 341 | unset($this); |
342 | } | |
343 | ||
0381e170 | 344 | protected function _fetchRow() |
0337d704 | 345 | { |
0381e170 | 346 | return $this->_res ? $this->_res->fetch_row() : null; |
0337d704 | 347 | } |
348 | ||
0381e170 | 349 | protected function _fetchAssoc() |
0337d704 | 350 | { |
0381e170 | 351 | return $this->_res ? $this->_res->fetch_assoc() : null; |
0337d704 | 352 | } |
353 | ||
e4f6c7d0 | 354 | public function fetchAllRow($id = false, $keep_array = false) |
0337d704 | 355 | { |
356 | $result = Array(); | |
0381e170 | 357 | if (!$this->_res) { |
358 | return $result; | |
359 | } | |
e4f6c7d0 FB |
360 | while (($data = $this->_res->fetch_row())) { |
361 | if ($id !== false) { | |
362 | $key = $data[$id]; | |
363 | unset($data[$id]); | |
364 | if (!$keep_array && count($data) == 1) { | |
365 | reset($data); | |
366 | $result[$key] = current($data); | |
367 | } else { | |
368 | $result[$key] = $data; | |
369 | } | |
370 | } else { | |
371 | $result[] = $data; | |
372 | } | |
373 | } | |
0337d704 | 374 | $this->free(); |
375 | return $result; | |
376 | } | |
377 | ||
e4f6c7d0 | 378 | public function fetchAllAssoc($id = false, $keep_array = false) |
0337d704 | 379 | { |
380 | $result = Array(); | |
0381e170 | 381 | if (!$this->_res) { |
382 | return $result; | |
383 | } | |
e4f6c7d0 FB |
384 | while (($data = $this->_res->fetch_assoc())) { |
385 | if ($id !== false) { | |
386 | $key = $data[$id]; | |
387 | unset($data[$id]); | |
388 | if (!$keep_array && count($data) == 1) { | |
389 | reset($data); | |
390 | $result[$key] = current($data); | |
391 | } else { | |
392 | $result[$key] = $data; | |
393 | } | |
394 | } else { | |
395 | $result[] = $data; | |
396 | } | |
397 | } | |
0337d704 | 398 | $this->free(); |
399 | return $result; | |
400 | } | |
401 | ||
0381e170 | 402 | public function fetchOneAssoc() |
0337d704 | 403 | { |
404 | $tmp = $this->_fetchAssoc(); | |
405 | $this->free(); | |
406 | return $tmp; | |
407 | } | |
408 | ||
0381e170 | 409 | public function fetchOneRow() |
0337d704 | 410 | { |
411 | $tmp = $this->_fetchRow(); | |
412 | $this->free(); | |
413 | return $tmp; | |
414 | } | |
415 | ||
0381e170 | 416 | public function fetchOneCell() |
0337d704 | 417 | { |
418 | $tmp = $this->_fetchRow(); | |
419 | $this->free(); | |
420 | return $tmp[0]; | |
421 | } | |
422 | ||
0381e170 | 423 | public function fetchColumn($key = 0) |
0337d704 | 424 | { |
425 | $res = Array(); | |
426 | if (is_numeric($key)) { | |
427 | while($tmp = $this->_fetchRow()) { | |
428 | $res[] = $tmp[$key]; | |
429 | } | |
430 | } else { | |
431 | while($tmp = $this->_fetchAssoc()) { | |
432 | $res[] = $tmp[$key]; | |
433 | } | |
434 | } | |
435 | $this->free(); | |
436 | return $res; | |
437 | } | |
438 | ||
0381e170 | 439 | public function fetchOneField() |
0380bf85 | 440 | { |
0381e170 | 441 | return $this->_res ? $this->_res->fetch_field() : null; |
0380bf85 | 442 | } |
443 | ||
0381e170 | 444 | public function fetchFields() |
0380bf85 | 445 | { |
446 | $res = array(); | |
447 | while ($res[] = $this->fetchOneField()); | |
448 | return $res; | |
449 | } | |
450 | ||
0381e170 | 451 | public function numRows() |
0337d704 | 452 | { |
0381e170 | 453 | return $this->_res ? $this->_res->num_rows : 0; |
0337d704 | 454 | } |
0380bf85 | 455 | |
0381e170 | 456 | public function fieldCount() |
0380bf85 | 457 | { |
0381e170 | 458 | return $this->_res ? $this->_res->field_count : 0; |
0380bf85 | 459 | } |
0337d704 | 460 | } |
461 | ||
2b1ee50b | 462 | require_once dirname(__FILE__) . '/pliterator.php'; |
463 | ||
0381e170 | 464 | class XOrgDBIterator extends XOrgDBResult implements PlIterator |
0337d704 | 465 | { |
85d3b330 | 466 | private $_result; |
467 | private $_pos; | |
468 | private $_total; | |
0380bf85 | 469 | private $_fpos; |
470 | private $_fields; | |
85d3b330 | 471 | private $_mode = MYSQL_ASSOC; |
0337d704 | 472 | |
0381e170 | 473 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 474 | { |
0381e170 | 475 | parent::__construct($query); |
0337d704 | 476 | $this->_pos = 0; |
0381e170 | 477 | $this->_total = $this->numRows(); |
0380bf85 | 478 | $this->_fpost = 0; |
0381e170 | 479 | $this->_fields = $this->fieldCount(); |
0337d704 | 480 | $this->_mode = $mode; |
481 | } | |
482 | ||
0381e170 | 483 | public function next() |
0337d704 | 484 | { |
485 | $this->_pos ++; | |
486 | if ($this->_pos > $this->_total) { | |
0381e170 | 487 | $this->free(); |
0337d704 | 488 | unset($this); |
489 | return null; | |
490 | } | |
0381e170 | 491 | return $this->_mode != MYSQL_ASSOC ? $this->_fetchRow() : $this->_fetchAssoc(); |
0337d704 | 492 | } |
493 | ||
0381e170 | 494 | public function first() |
0337d704 | 495 | { |
496 | return $this->_pos == 1; | |
497 | } | |
498 | ||
0381e170 | 499 | public function last() |
0337d704 | 500 | { |
0380bf85 | 501 | return $this->_pos == $this->_total; |
0337d704 | 502 | } |
503 | ||
0381e170 | 504 | public function total() |
0337d704 | 505 | { |
506 | return $this->_total; | |
507 | } | |
0380bf85 | 508 | |
0381e170 | 509 | public function nextField() |
0380bf85 | 510 | { |
511 | $this->_fpos++; | |
512 | if ($this->_fpos > $this->_fields) { | |
513 | return null; | |
514 | } | |
0381e170 | 515 | return $this->fetchOneField(); |
0380bf85 | 516 | } |
517 | ||
0381e170 | 518 | public function firstField() |
0380bf85 | 519 | { |
520 | return $this->_fpos == 1; | |
521 | } | |
522 | ||
0381e170 | 523 | public function lastField() |
0380bf85 | 524 | { |
525 | return $this->_fpos == $this->_fields; | |
526 | } | |
527 | ||
0381e170 | 528 | public function totalFields() |
0380bf85 | 529 | { |
530 | return $this->_fields; | |
531 | } | |
0337d704 | 532 | } |
533 | ||
a7de4ef7 | 534 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 535 | ?> |