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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 | ||
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 | } |
1023ed57 FB |
117 | if (php_sapi_name() == 'cli') { |
118 | $text .= "\n" . XDB::_reformatQuery($query) | |
119 | . "\n" . XDB::$mysqli->error; | |
120 | } else if ($globals->debug) { | |
7f10bc61 | 121 | $text .= '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>'; |
f8eaef22 FB |
122 | } else { |
123 | $file = fopen($globals->spoolroot . '/spool/tmp/query_errors', 'a'); | |
124 | fwrite($file, '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>' | |
125 | . '<pre>' . XDB::$mysqli->error . '</pre>' . "\n"); | |
126 | fclose($file); | |
7f10bc61 FB |
127 | } |
128 | Platal::page()->kill($text); | |
084a60da FB |
129 | exit; |
130 | } | |
f1ca33de | 131 | return $res; |
132 | } | |
133 | ||
e4f6c7d0 FB |
134 | private static function queryv($query) |
135 | { | |
136 | return new XOrgDBResult(self::_prepare($query)); | |
137 | } | |
138 | ||
6995a9b9 | 139 | public static function query() |
0337d704 | 140 | { |
e4f6c7d0 | 141 | return self::queryv(func_get_args()); |
0337d704 | 142 | } |
143 | ||
20973bf8 FB |
144 | public static function format() |
145 | { | |
e4f6c7d0 | 146 | return self::_prepare(func_get_args()); |
20973bf8 FB |
147 | } |
148 | ||
0ef5bd4b FB |
149 | // Produce the SQL statement for setting/unsetting a flag |
150 | public static function changeFlag($fieldname, $flagname, $state) | |
151 | { | |
152 | if ($state) { | |
153 | return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname); | |
154 | } else { | |
155 | return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname); | |
156 | } | |
157 | } | |
158 | ||
159 | // Produce the SQL statement representing an array | |
160 | public static function formatArray(array $array) | |
161 | { | |
e677bc13 | 162 | return self::escape($array); |
0ef5bd4b FB |
163 | } |
164 | ||
adf947ff RB |
165 | const WILDCARD_EXACT = 0x00; |
166 | const WILDCARD_PREFIX = 0x01; | |
167 | const WILDCARD_SUFFIX = 0x02; | |
168 | const WILDCARD_CONTAINS = 0x03; // WILDCARD_PREFIX | WILDCARD_SUFFIX | |
169 | ||
170 | // Returns the SQL statement for a wildcard search. | |
171 | public static function formatWildcards($mode, $text) | |
172 | { | |
173 | if ($mode == self::WILDCARD_EXACT) { | |
174 | return XDB::format(' = {?}', $text); | |
175 | } else { | |
176 | $text = str_replace(array('%', '_'), array('\%', '\_'), $text); | |
177 | if ($mode & self::WILDCARD_PREFIX) { | |
178 | $text = $text . '%'; | |
179 | } | |
180 | if ($mode & self::WILDCARD_SUFFIX) { | |
181 | $text = '%' . $text; | |
182 | } | |
183 | return XDB::format(" LIKE {?}", $text); | |
184 | } | |
185 | } | |
186 | ||
47595f9a RB |
187 | // Returns a FIELD(blah, 3, 1, 2) for use in an order with custom orders |
188 | public static function formatCustomOrder($field, $values) | |
189 | { | |
29bd16df | 190 | return 'FIELD( ' . $field . ', ' . implode(', ', array_map(array('XDB', 'escape'), $values)) . ')'; |
47595f9a RB |
191 | } |
192 | ||
6995a9b9 | 193 | public static function execute() |
f1ca33de | 194 | { |
fe556813 FB |
195 | global $globals; |
196 | $args = func_get_args(); | |
197 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
198 | return; | |
199 | } | |
e4f6c7d0 | 200 | return self::_query(XDB::_prepare($args)); |
0337d704 | 201 | } |
13a25546 | 202 | |
6995a9b9 | 203 | public static function iterator() |
0337d704 | 204 | { |
e4f6c7d0 | 205 | return new XOrgDBIterator(self::_prepare(func_get_args())); |
0337d704 | 206 | } |
13a25546 | 207 | |
6995a9b9 | 208 | public static function iterRow() |
0337d704 | 209 | { |
e4f6c7d0 FB |
210 | return new XOrgDBIterator(self::_prepare(func_get_args()), MYSQL_NUM); |
211 | } | |
212 | ||
213 | private static function findQuery($params, $default = array()) | |
214 | { | |
215 | for ($i = 0 ; $i < count($default) ; ++$i) { | |
216 | $is_query = false; | |
217 | foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) { | |
218 | if (stripos($params[0], $kwd) !== false) { | |
219 | $is_query = true; | |
220 | break; | |
221 | } | |
222 | } | |
223 | if ($is_query) { | |
224 | break; | |
225 | } else { | |
226 | $default[$i] = array_shift($params); | |
227 | } | |
228 | } | |
229 | return array($default, $params); | |
230 | } | |
231 | ||
232 | /** Fetch all rows returned by the given query. | |
233 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllRow()). | |
234 | * Optional arguments are given *before* the query. | |
235 | */ | |
236 | public static function fetchAllRow() | |
237 | { | |
238 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
239 | return self::queryv($query)->fetchAllRow($args[0], $args[1]); | |
240 | } | |
241 | ||
242 | /** Fetch all rows returned by the given query. | |
243 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllAssoc()). | |
244 | * Optional arguments are given *before* the query. | |
245 | */ | |
246 | public static function fetchAllAssoc() | |
247 | { | |
248 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
249 | return self::queryv($query)->fetchAllAssoc($args[0], $args[1]); | |
250 | } | |
251 | ||
252 | public static function fetchOneCell() | |
253 | { | |
254 | list($args, $query) = self::findQuery(func_get_args()); | |
255 | return self::queryv($query)->fetchOneCell(); | |
256 | } | |
257 | ||
258 | public static function fetchOneRow() | |
259 | { | |
260 | list($args, $query) = self::findQuery(func_get_args()); | |
261 | return self::queryv($query)->fetchOneRow(); | |
262 | } | |
263 | ||
264 | public static function fetchOneAssoc() | |
265 | { | |
266 | list($args, $query) = self::findQuery(func_get_args()); | |
267 | return self::queryv($query)->fetchOneAssoc(); | |
268 | } | |
269 | ||
270 | /** Fetch a column from the result of the given query. | |
271 | * This functions can take 1 optional arguments (cf XOrgDBResult::fetchColumn()). | |
272 | * Optional arguments are given *before* the query. | |
273 | */ | |
274 | public static function fetchColumn() | |
275 | { | |
276 | list($args, $query) = self::findQuery(func_get_args(), array(0)); | |
277 | return self::queryv($query)->fetchColumn(); | |
0337d704 | 278 | } |
13a25546 | 279 | |
6995a9b9 | 280 | public static function insertId() |
13a25546 | 281 | { |
e4f6c7d0 | 282 | return self::$mysqli->insert_id; |
13a25546 | 283 | } |
284 | ||
0380bf85 | 285 | public static function errno() |
286 | { | |
e4f6c7d0 | 287 | return self::$mysqli->errno; |
0380bf85 | 288 | } |
289 | ||
290 | public static function error() | |
834fd0f6 | 291 | { |
e4f6c7d0 | 292 | return self::$mysqli->error; |
0380bf85 | 293 | } |
294 | ||
295 | public static function affectedRows() | |
296 | { | |
e4f6c7d0 | 297 | return self::$mysqli->affected_rows; |
0380bf85 | 298 | } |
299 | ||
f62bd784 | 300 | public static function escape($var) |
0337d704 | 301 | { |
302 | switch (gettype($var)) { | |
13a25546 | 303 | case 'boolean': |
304 | return $var ? 1 : 0; | |
305 | ||
306 | case 'integer': | |
307 | case 'double': | |
308 | case 'float': | |
309 | return $var; | |
310 | ||
311 | case 'string': | |
312 | return "'".addslashes($var)."'"; | |
313 | ||
314 | case 'NULL': | |
315 | return 'NULL'; | |
316 | ||
317 | case 'object': | |
113f6de8 | 318 | if ($var instanceof PlFlagSet) { |
04c1b2eb | 319 | return "'" . addslashes($var->flags()) . "'"; |
e677bc13 FB |
320 | } else { |
321 | return "'".addslashes(serialize($var))."'"; | |
04c1b2eb | 322 | } |
e677bc13 | 323 | |
13a25546 | 324 | case 'array': |
e677bc13 | 325 | return '(' . implode(', ', array_map(array('XDB', 'escape'), $var)) . ')'; |
13a25546 | 326 | |
327 | default: | |
328 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 329 | } |
330 | } | |
0337d704 | 331 | } |
332 | ||
0337d704 | 333 | class XOrgDBResult |
334 | { | |
0337d704 | 335 | |
32d9ae72 | 336 | private $_res; |
0337d704 | 337 | |
0381e170 | 338 | public function __construct($query) |
0337d704 | 339 | { |
755abda6 | 340 | $this->_res = XDB::_query($query); |
0337d704 | 341 | } |
342 | ||
0381e170 | 343 | public function free() |
0337d704 | 344 | { |
0381e170 | 345 | if ($this->_res) { |
346 | $this->_res->free(); | |
347 | } | |
0337d704 | 348 | unset($this); |
349 | } | |
350 | ||
0381e170 | 351 | protected function _fetchRow() |
0337d704 | 352 | { |
0381e170 | 353 | return $this->_res ? $this->_res->fetch_row() : null; |
0337d704 | 354 | } |
355 | ||
0381e170 | 356 | protected function _fetchAssoc() |
0337d704 | 357 | { |
0381e170 | 358 | return $this->_res ? $this->_res->fetch_assoc() : null; |
0337d704 | 359 | } |
360 | ||
e4f6c7d0 | 361 | public function fetchAllRow($id = false, $keep_array = false) |
0337d704 | 362 | { |
363 | $result = Array(); | |
0381e170 | 364 | if (!$this->_res) { |
365 | return $result; | |
366 | } | |
e4f6c7d0 FB |
367 | while (($data = $this->_res->fetch_row())) { |
368 | if ($id !== false) { | |
369 | $key = $data[$id]; | |
370 | unset($data[$id]); | |
371 | if (!$keep_array && count($data) == 1) { | |
372 | reset($data); | |
373 | $result[$key] = current($data); | |
374 | } else { | |
375 | $result[$key] = $data; | |
376 | } | |
377 | } else { | |
378 | $result[] = $data; | |
379 | } | |
380 | } | |
0337d704 | 381 | $this->free(); |
382 | return $result; | |
383 | } | |
384 | ||
e4f6c7d0 | 385 | public function fetchAllAssoc($id = false, $keep_array = false) |
0337d704 | 386 | { |
387 | $result = Array(); | |
0381e170 | 388 | if (!$this->_res) { |
389 | return $result; | |
390 | } | |
e4f6c7d0 FB |
391 | while (($data = $this->_res->fetch_assoc())) { |
392 | if ($id !== false) { | |
393 | $key = $data[$id]; | |
394 | unset($data[$id]); | |
395 | if (!$keep_array && count($data) == 1) { | |
396 | reset($data); | |
397 | $result[$key] = current($data); | |
398 | } else { | |
399 | $result[$key] = $data; | |
400 | } | |
401 | } else { | |
402 | $result[] = $data; | |
403 | } | |
404 | } | |
0337d704 | 405 | $this->free(); |
406 | return $result; | |
407 | } | |
408 | ||
0381e170 | 409 | public function fetchOneAssoc() |
0337d704 | 410 | { |
411 | $tmp = $this->_fetchAssoc(); | |
412 | $this->free(); | |
413 | return $tmp; | |
414 | } | |
415 | ||
0381e170 | 416 | public function fetchOneRow() |
0337d704 | 417 | { |
418 | $tmp = $this->_fetchRow(); | |
419 | $this->free(); | |
420 | return $tmp; | |
421 | } | |
422 | ||
0381e170 | 423 | public function fetchOneCell() |
0337d704 | 424 | { |
425 | $tmp = $this->_fetchRow(); | |
426 | $this->free(); | |
427 | return $tmp[0]; | |
428 | } | |
429 | ||
0381e170 | 430 | public function fetchColumn($key = 0) |
0337d704 | 431 | { |
432 | $res = Array(); | |
433 | if (is_numeric($key)) { | |
434 | while($tmp = $this->_fetchRow()) { | |
435 | $res[] = $tmp[$key]; | |
436 | } | |
437 | } else { | |
438 | while($tmp = $this->_fetchAssoc()) { | |
439 | $res[] = $tmp[$key]; | |
440 | } | |
441 | } | |
442 | $this->free(); | |
443 | return $res; | |
444 | } | |
445 | ||
0381e170 | 446 | public function fetchOneField() |
0380bf85 | 447 | { |
0381e170 | 448 | return $this->_res ? $this->_res->fetch_field() : null; |
0380bf85 | 449 | } |
450 | ||
0381e170 | 451 | public function fetchFields() |
0380bf85 | 452 | { |
453 | $res = array(); | |
454 | while ($res[] = $this->fetchOneField()); | |
455 | return $res; | |
456 | } | |
457 | ||
0381e170 | 458 | public function numRows() |
0337d704 | 459 | { |
0381e170 | 460 | return $this->_res ? $this->_res->num_rows : 0; |
0337d704 | 461 | } |
0380bf85 | 462 | |
0381e170 | 463 | public function fieldCount() |
0380bf85 | 464 | { |
0381e170 | 465 | return $this->_res ? $this->_res->field_count : 0; |
0380bf85 | 466 | } |
0337d704 | 467 | } |
468 | ||
2b1ee50b | 469 | require_once dirname(__FILE__) . '/pliterator.php'; |
470 | ||
0381e170 | 471 | class XOrgDBIterator extends XOrgDBResult implements PlIterator |
0337d704 | 472 | { |
85d3b330 | 473 | private $_result; |
474 | private $_pos; | |
475 | private $_total; | |
0380bf85 | 476 | private $_fpos; |
477 | private $_fields; | |
85d3b330 | 478 | private $_mode = MYSQL_ASSOC; |
0337d704 | 479 | |
0381e170 | 480 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 481 | { |
0381e170 | 482 | parent::__construct($query); |
0337d704 | 483 | $this->_pos = 0; |
0381e170 | 484 | $this->_total = $this->numRows(); |
0380bf85 | 485 | $this->_fpost = 0; |
0381e170 | 486 | $this->_fields = $this->fieldCount(); |
0337d704 | 487 | $this->_mode = $mode; |
488 | } | |
489 | ||
0381e170 | 490 | public function next() |
0337d704 | 491 | { |
492 | $this->_pos ++; | |
493 | if ($this->_pos > $this->_total) { | |
0381e170 | 494 | $this->free(); |
0337d704 | 495 | unset($this); |
496 | return null; | |
497 | } | |
0381e170 | 498 | return $this->_mode != MYSQL_ASSOC ? $this->_fetchRow() : $this->_fetchAssoc(); |
0337d704 | 499 | } |
500 | ||
0381e170 | 501 | public function first() |
0337d704 | 502 | { |
503 | return $this->_pos == 1; | |
504 | } | |
505 | ||
0381e170 | 506 | public function last() |
0337d704 | 507 | { |
0380bf85 | 508 | return $this->_pos == $this->_total; |
0337d704 | 509 | } |
510 | ||
0381e170 | 511 | public function total() |
0337d704 | 512 | { |
513 | return $this->_total; | |
514 | } | |
0380bf85 | 515 | |
0381e170 | 516 | public function nextField() |
0380bf85 | 517 | { |
518 | $this->_fpos++; | |
519 | if ($this->_fpos > $this->_fields) { | |
520 | return null; | |
521 | } | |
0381e170 | 522 | return $this->fetchOneField(); |
0380bf85 | 523 | } |
524 | ||
0381e170 | 525 | public function firstField() |
0380bf85 | 526 | { |
527 | return $this->_fpos == 1; | |
528 | } | |
529 | ||
0381e170 | 530 | public function lastField() |
0380bf85 | 531 | { |
532 | return $this->_fpos == $this->_fields; | |
533 | } | |
534 | ||
0381e170 | 535 | public function totalFields() |
0380bf85 | 536 | { |
537 | return $this->_fields; | |
538 | } | |
0337d704 | 539 | } |
540 | ||
a7de4ef7 | 541 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 542 | ?> |