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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 | ||
6995a9b9 | 162 | public static function execute() |
f1ca33de | 163 | { |
fe556813 FB |
164 | global $globals; |
165 | $args = func_get_args(); | |
166 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
167 | return; | |
168 | } | |
e4f6c7d0 | 169 | return self::_query(XDB::_prepare($args)); |
0337d704 | 170 | } |
13a25546 | 171 | |
6995a9b9 | 172 | public static function iterator() |
0337d704 | 173 | { |
e4f6c7d0 | 174 | return new XOrgDBIterator(self::_prepare(func_get_args())); |
0337d704 | 175 | } |
13a25546 | 176 | |
6995a9b9 | 177 | public static function iterRow() |
0337d704 | 178 | { |
e4f6c7d0 FB |
179 | return new XOrgDBIterator(self::_prepare(func_get_args()), MYSQL_NUM); |
180 | } | |
181 | ||
182 | private static function findQuery($params, $default = array()) | |
183 | { | |
184 | for ($i = 0 ; $i < count($default) ; ++$i) { | |
185 | $is_query = false; | |
186 | foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) { | |
187 | if (stripos($params[0], $kwd) !== false) { | |
188 | $is_query = true; | |
189 | break; | |
190 | } | |
191 | } | |
192 | if ($is_query) { | |
193 | break; | |
194 | } else { | |
195 | $default[$i] = array_shift($params); | |
196 | } | |
197 | } | |
198 | return array($default, $params); | |
199 | } | |
200 | ||
201 | /** Fetch all rows returned by the given query. | |
202 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllRow()). | |
203 | * Optional arguments are given *before* the query. | |
204 | */ | |
205 | public static function fetchAllRow() | |
206 | { | |
207 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
208 | return self::queryv($query)->fetchAllRow($args[0], $args[1]); | |
209 | } | |
210 | ||
211 | /** Fetch all rows returned by the given query. | |
212 | * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllAssoc()). | |
213 | * Optional arguments are given *before* the query. | |
214 | */ | |
215 | public static function fetchAllAssoc() | |
216 | { | |
217 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
218 | return self::queryv($query)->fetchAllAssoc($args[0], $args[1]); | |
219 | } | |
220 | ||
221 | public static function fetchOneCell() | |
222 | { | |
223 | list($args, $query) = self::findQuery(func_get_args()); | |
224 | return self::queryv($query)->fetchOneCell(); | |
225 | } | |
226 | ||
227 | public static function fetchOneRow() | |
228 | { | |
229 | list($args, $query) = self::findQuery(func_get_args()); | |
230 | return self::queryv($query)->fetchOneRow(); | |
231 | } | |
232 | ||
233 | public static function fetchOneAssoc() | |
234 | { | |
235 | list($args, $query) = self::findQuery(func_get_args()); | |
236 | return self::queryv($query)->fetchOneAssoc(); | |
237 | } | |
238 | ||
239 | /** Fetch a column from the result of the given query. | |
240 | * This functions can take 1 optional arguments (cf XOrgDBResult::fetchColumn()). | |
241 | * Optional arguments are given *before* the query. | |
242 | */ | |
243 | public static function fetchColumn() | |
244 | { | |
245 | list($args, $query) = self::findQuery(func_get_args(), array(0)); | |
246 | return self::queryv($query)->fetchColumn(); | |
0337d704 | 247 | } |
13a25546 | 248 | |
6995a9b9 | 249 | public static function insertId() |
13a25546 | 250 | { |
e4f6c7d0 | 251 | return self::$mysqli->insert_id; |
13a25546 | 252 | } |
253 | ||
0380bf85 | 254 | public static function errno() |
255 | { | |
e4f6c7d0 | 256 | return self::$mysqli->errno; |
0380bf85 | 257 | } |
258 | ||
259 | public static function error() | |
834fd0f6 | 260 | { |
e4f6c7d0 | 261 | return self::$mysqli->error; |
0380bf85 | 262 | } |
263 | ||
264 | public static function affectedRows() | |
265 | { | |
e4f6c7d0 | 266 | return self::$mysqli->affected_rows; |
0380bf85 | 267 | } |
268 | ||
f62bd784 | 269 | public static function escape($var) |
0337d704 | 270 | { |
271 | switch (gettype($var)) { | |
13a25546 | 272 | case 'boolean': |
273 | return $var ? 1 : 0; | |
274 | ||
275 | case 'integer': | |
276 | case 'double': | |
277 | case 'float': | |
278 | return $var; | |
279 | ||
280 | case 'string': | |
281 | return "'".addslashes($var)."'"; | |
282 | ||
283 | case 'NULL': | |
284 | return 'NULL'; | |
285 | ||
286 | case 'object': | |
113f6de8 | 287 | if ($var instanceof PlFlagSet) { |
04c1b2eb FB |
288 | return "'" . addslashes($var->flags()) . "'"; |
289 | } | |
13a25546 | 290 | case 'array': |
291 | return "'".addslashes(serialize($var))."'"; | |
292 | ||
293 | default: | |
294 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 295 | } |
296 | } | |
0337d704 | 297 | } |
298 | ||
0337d704 | 299 | class XOrgDBResult |
300 | { | |
0337d704 | 301 | |
32d9ae72 | 302 | private $_res; |
0337d704 | 303 | |
0381e170 | 304 | public function __construct($query) |
0337d704 | 305 | { |
755abda6 | 306 | $this->_res = XDB::_query($query); |
0337d704 | 307 | } |
308 | ||
0381e170 | 309 | public function free() |
0337d704 | 310 | { |
0381e170 | 311 | if ($this->_res) { |
312 | $this->_res->free(); | |
313 | } | |
0337d704 | 314 | unset($this); |
315 | } | |
316 | ||
0381e170 | 317 | protected function _fetchRow() |
0337d704 | 318 | { |
0381e170 | 319 | return $this->_res ? $this->_res->fetch_row() : null; |
0337d704 | 320 | } |
321 | ||
0381e170 | 322 | protected function _fetchAssoc() |
0337d704 | 323 | { |
0381e170 | 324 | return $this->_res ? $this->_res->fetch_assoc() : null; |
0337d704 | 325 | } |
326 | ||
e4f6c7d0 | 327 | public function fetchAllRow($id = false, $keep_array = false) |
0337d704 | 328 | { |
329 | $result = Array(); | |
0381e170 | 330 | if (!$this->_res) { |
331 | return $result; | |
332 | } | |
e4f6c7d0 FB |
333 | while (($data = $this->_res->fetch_row())) { |
334 | if ($id !== false) { | |
335 | $key = $data[$id]; | |
336 | unset($data[$id]); | |
337 | if (!$keep_array && count($data) == 1) { | |
338 | reset($data); | |
339 | $result[$key] = current($data); | |
340 | } else { | |
341 | $result[$key] = $data; | |
342 | } | |
343 | } else { | |
344 | $result[] = $data; | |
345 | } | |
346 | } | |
0337d704 | 347 | $this->free(); |
348 | return $result; | |
349 | } | |
350 | ||
e4f6c7d0 | 351 | public function fetchAllAssoc($id = false, $keep_array = false) |
0337d704 | 352 | { |
353 | $result = Array(); | |
0381e170 | 354 | if (!$this->_res) { |
355 | return $result; | |
356 | } | |
e4f6c7d0 FB |
357 | while (($data = $this->_res->fetch_assoc())) { |
358 | if ($id !== false) { | |
359 | $key = $data[$id]; | |
360 | unset($data[$id]); | |
361 | if (!$keep_array && count($data) == 1) { | |
362 | reset($data); | |
363 | $result[$key] = current($data); | |
364 | } else { | |
365 | $result[$key] = $data; | |
366 | } | |
367 | } else { | |
368 | $result[] = $data; | |
369 | } | |
370 | } | |
0337d704 | 371 | $this->free(); |
372 | return $result; | |
373 | } | |
374 | ||
0381e170 | 375 | public function fetchOneAssoc() |
0337d704 | 376 | { |
377 | $tmp = $this->_fetchAssoc(); | |
378 | $this->free(); | |
379 | return $tmp; | |
380 | } | |
381 | ||
0381e170 | 382 | public function fetchOneRow() |
0337d704 | 383 | { |
384 | $tmp = $this->_fetchRow(); | |
385 | $this->free(); | |
386 | return $tmp; | |
387 | } | |
388 | ||
0381e170 | 389 | public function fetchOneCell() |
0337d704 | 390 | { |
391 | $tmp = $this->_fetchRow(); | |
392 | $this->free(); | |
393 | return $tmp[0]; | |
394 | } | |
395 | ||
0381e170 | 396 | public function fetchColumn($key = 0) |
0337d704 | 397 | { |
398 | $res = Array(); | |
399 | if (is_numeric($key)) { | |
400 | while($tmp = $this->_fetchRow()) { | |
401 | $res[] = $tmp[$key]; | |
402 | } | |
403 | } else { | |
404 | while($tmp = $this->_fetchAssoc()) { | |
405 | $res[] = $tmp[$key]; | |
406 | } | |
407 | } | |
408 | $this->free(); | |
409 | return $res; | |
410 | } | |
411 | ||
0381e170 | 412 | public function fetchOneField() |
0380bf85 | 413 | { |
0381e170 | 414 | return $this->_res ? $this->_res->fetch_field() : null; |
0380bf85 | 415 | } |
416 | ||
0381e170 | 417 | public function fetchFields() |
0380bf85 | 418 | { |
419 | $res = array(); | |
420 | while ($res[] = $this->fetchOneField()); | |
421 | return $res; | |
422 | } | |
423 | ||
0381e170 | 424 | public function numRows() |
0337d704 | 425 | { |
0381e170 | 426 | return $this->_res ? $this->_res->num_rows : 0; |
0337d704 | 427 | } |
0380bf85 | 428 | |
0381e170 | 429 | public function fieldCount() |
0380bf85 | 430 | { |
0381e170 | 431 | return $this->_res ? $this->_res->field_count : 0; |
0380bf85 | 432 | } |
0337d704 | 433 | } |
434 | ||
2b1ee50b | 435 | require_once dirname(__FILE__) . '/pliterator.php'; |
436 | ||
0381e170 | 437 | class XOrgDBIterator extends XOrgDBResult implements PlIterator |
0337d704 | 438 | { |
85d3b330 | 439 | private $_result; |
440 | private $_pos; | |
441 | private $_total; | |
0380bf85 | 442 | private $_fpos; |
443 | private $_fields; | |
85d3b330 | 444 | private $_mode = MYSQL_ASSOC; |
0337d704 | 445 | |
0381e170 | 446 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 447 | { |
0381e170 | 448 | parent::__construct($query); |
0337d704 | 449 | $this->_pos = 0; |
0381e170 | 450 | $this->_total = $this->numRows(); |
0380bf85 | 451 | $this->_fpost = 0; |
0381e170 | 452 | $this->_fields = $this->fieldCount(); |
0337d704 | 453 | $this->_mode = $mode; |
454 | } | |
455 | ||
0381e170 | 456 | public function next() |
0337d704 | 457 | { |
458 | $this->_pos ++; | |
459 | if ($this->_pos > $this->_total) { | |
0381e170 | 460 | $this->free(); |
0337d704 | 461 | unset($this); |
462 | return null; | |
463 | } | |
0381e170 | 464 | return $this->_mode != MYSQL_ASSOC ? $this->_fetchRow() : $this->_fetchAssoc(); |
0337d704 | 465 | } |
466 | ||
0381e170 | 467 | public function first() |
0337d704 | 468 | { |
469 | return $this->_pos == 1; | |
470 | } | |
471 | ||
0381e170 | 472 | public function last() |
0337d704 | 473 | { |
0380bf85 | 474 | return $this->_pos == $this->_total; |
0337d704 | 475 | } |
476 | ||
0381e170 | 477 | public function total() |
0337d704 | 478 | { |
479 | return $this->_total; | |
480 | } | |
0380bf85 | 481 | |
0381e170 | 482 | public function nextField() |
0380bf85 | 483 | { |
484 | $this->_fpos++; | |
485 | if ($this->_fpos > $this->_fields) { | |
486 | return null; | |
487 | } | |
0381e170 | 488 | return $this->fetchOneField(); |
0380bf85 | 489 | } |
490 | ||
0381e170 | 491 | public function firstField() |
0380bf85 | 492 | { |
493 | return $this->_fpos == 1; | |
494 | } | |
495 | ||
0381e170 | 496 | public function lastField() |
0380bf85 | 497 | { |
498 | return $this->_fpos == $this->_fields; | |
499 | } | |
500 | ||
0381e170 | 501 | public function totalFields() |
0380bf85 | 502 | { |
503 | return $this->_fields; | |
504 | } | |
0337d704 | 505 | } |
506 | ||
a7de4ef7 | 507 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 508 | ?> |