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0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
179afa7f | 3 | * Copyright (C) 2003-2008 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 $globals; |
29 | XDB::$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 | $bt->newEvent("MySQLI connection", 0, mysqli_connect_error()); | |
34 | return false; | |
35 | } | |
32d9ae72 | 36 | } |
37 | XDB::$mysqli->autocommit(true); | |
821744e0 | 38 | XDB::$mysqli->set_charset($globals->dbcharset); |
32d9ae72 | 39 | return true; |
40 | } | |
f1ca33de | 41 | |
ed3f4d3e | 42 | public static function _prepare($args) |
43 | { | |
f62bd784 | 44 | $query = array_map(Array('XDB', 'escape'), $args); |
0337d704 | 45 | $query[0] = str_replace('{?}', '%s', str_replace('%', '%%', $args[0])); |
46 | return call_user_func_array('sprintf', $query); | |
47 | } | |
13a25546 | 48 | |
6995a9b9 | 49 | public static function _reformatQuery($query) |
7c571120 | 50 | { |
a4f89886 | 51 | $query = preg_split("/\n\\s*/", trim($query)); |
7c571120 | 52 | $length = 0; |
d3c52d30 | 53 | foreach ($query as $key=>$line) { |
54 | $local = -2; | |
a14159bf | 55 | if (preg_match('/^([A-Z]+(?:\s+(?:JOIN|BY|FROM|INTO))?)\s+(.*)/u', $line, $matches) |
85d3b330 | 56 | && $matches[1] != 'AND' && $matches[1] != 'OR') |
57 | { | |
d3c52d30 | 58 | $local = strlen($matches[1]); |
59 | $line = $matches[1] . ' ' . $matches[2]; | |
60 | $length = max($length, $local); | |
7c571120 | 61 | } |
d3c52d30 | 62 | $query[$key] = array($line, $local); |
7c571120 | 63 | } |
64 | $res = ''; | |
d3c52d30 | 65 | foreach ($query as $array) { |
66 | list($line, $local) = $array; | |
9630c649 | 67 | $local = max(0, $length - $local); |
7c571120 | 68 | $res .= str_repeat(' ', $local) . $line . "\n"; |
69 | $length += 2 * (substr_count($line, '(') - substr_count($line, ')')); | |
70 | } | |
71 | return $res; | |
72 | } | |
73 | ||
ed3f4d3e | 74 | public static function _query($query) |
75 | { | |
f1ca33de | 76 | global $globals; |
77 | ||
821744e0 | 78 | if (!XDB::$mysqli && !XDB::connect()) { |
12ccfec7 | 79 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
80 | Platal::page()->kill('Impossible de se connecter à la base de données.'); |
81 | exit; | |
821744e0 | 82 | } |
83 | ||
81e9c63f | 84 | if ($globals->debug & DEBUG_BT) { |
f1ca33de | 85 | $explain = array(); |
5fb22b39 | 86 | if (strpos($query, 'FOUND_ROWS()') === false) { |
32d9ae72 | 87 | $res = XDB::$mysqli->query("EXPLAIN $query"); |
88 | if ($res) { | |
89 | while ($row = $res->fetch_assoc()) { | |
5fb22b39 | 90 | $explain[] = $row; |
91 | } | |
32d9ae72 | 92 | $res->free(); |
5fb22b39 | 93 | } |
f1ca33de | 94 | } |
d3f26be9 | 95 | PlBacktrace::$bt['MySQL']->start(XDB::_reformatQuery($query)); |
f1ca33de | 96 | } |
97 | ||
32d9ae72 | 98 | $res = XDB::$mysqli->query($query); |
0381e170 | 99 | |
81e9c63f | 100 | if ($globals->debug & DEBUG_BT) { |
d3f26be9 | 101 | PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : XDB::$mysqli->affected_rows, |
102 | XDB::$mysqli->error, | |
103 | $explain); | |
f1ca33de | 104 | } |
084a60da FB |
105 | |
106 | if ($res === false) { | |
12ccfec7 | 107 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
108 | if (strpos($query, 'INSERT') === false && strpos($query, 'UPDATE') === false |
109 | && strpos($query, 'REPLACE') === false && strpos($query, 'DELETE') === false) { | |
7f10bc61 | 110 | $text = 'Erreur lors de l\'interrogation de la base de données'; |
084a60da | 111 | } else { |
7f10bc61 | 112 | $text = 'Erreur lors de l\'écriture dans la base de données'; |
084a60da | 113 | } |
7f10bc61 FB |
114 | if ($globals->debug) { |
115 | $text .= '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>'; | |
f8eaef22 FB |
116 | } else { |
117 | $file = fopen($globals->spoolroot . '/spool/tmp/query_errors', 'a'); | |
118 | fwrite($file, '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>' | |
119 | . '<pre>' . XDB::$mysqli->error . '</pre>' . "\n"); | |
120 | fclose($file); | |
7f10bc61 FB |
121 | } |
122 | Platal::page()->kill($text); | |
084a60da FB |
123 | exit; |
124 | } | |
f1ca33de | 125 | return $res; |
126 | } | |
127 | ||
6995a9b9 | 128 | public static function query() |
0337d704 | 129 | { |
08cce2ff | 130 | return new XOrgDBResult(XDB::_prepare(func_get_args())); |
0337d704 | 131 | } |
132 | ||
6995a9b9 | 133 | public static function execute() |
f1ca33de | 134 | { |
fe556813 FB |
135 | global $globals; |
136 | $args = func_get_args(); | |
137 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
138 | return; | |
139 | } | |
140 | return XDB::_query(XDB::_prepare($args)); | |
0337d704 | 141 | } |
13a25546 | 142 | |
6995a9b9 | 143 | public static function iterator() |
0337d704 | 144 | { |
08cce2ff | 145 | return new XOrgDBIterator(XDB::_prepare(func_get_args())); |
0337d704 | 146 | } |
13a25546 | 147 | |
6995a9b9 | 148 | public static function iterRow() |
0337d704 | 149 | { |
08cce2ff | 150 | return new XOrgDBIterator(XDB::_prepare(func_get_args()), MYSQL_NUM); |
0337d704 | 151 | } |
13a25546 | 152 | |
6995a9b9 | 153 | public static function insertId() |
13a25546 | 154 | { |
32d9ae72 | 155 | return XDB::$mysqli->insert_id; |
13a25546 | 156 | } |
157 | ||
0380bf85 | 158 | public static function errno() |
159 | { | |
0380bf85 | 160 | return XDB::$mysqli->errno; |
161 | } | |
162 | ||
163 | public static function error() | |
834fd0f6 | 164 | { |
0380bf85 | 165 | return XDB::$mysqli->error; |
166 | } | |
167 | ||
168 | public static function affectedRows() | |
169 | { | |
170 | return XDB::$mysqli->affected_rows; | |
171 | } | |
172 | ||
f62bd784 | 173 | public static function escape($var) |
0337d704 | 174 | { |
175 | switch (gettype($var)) { | |
13a25546 | 176 | case 'boolean': |
177 | return $var ? 1 : 0; | |
178 | ||
179 | case 'integer': | |
180 | case 'double': | |
181 | case 'float': | |
182 | return $var; | |
183 | ||
184 | case 'string': | |
185 | return "'".addslashes($var)."'"; | |
186 | ||
187 | case 'NULL': | |
188 | return 'NULL'; | |
189 | ||
190 | case 'object': | |
113f6de8 | 191 | if ($var instanceof PlFlagSet) { |
04c1b2eb FB |
192 | return "'" . addslashes($var->flags()) . "'"; |
193 | } | |
13a25546 | 194 | case 'array': |
195 | return "'".addslashes(serialize($var))."'"; | |
196 | ||
197 | default: | |
198 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 199 | } |
200 | } | |
0337d704 | 201 | } |
202 | ||
0337d704 | 203 | class XOrgDBResult |
204 | { | |
0337d704 | 205 | |
32d9ae72 | 206 | private $_res; |
0337d704 | 207 | |
0381e170 | 208 | public function __construct($query) |
0337d704 | 209 | { |
755abda6 | 210 | $this->_res = XDB::_query($query); |
0337d704 | 211 | } |
212 | ||
0381e170 | 213 | public function free() |
0337d704 | 214 | { |
0381e170 | 215 | if ($this->_res) { |
216 | $this->_res->free(); | |
217 | } | |
0337d704 | 218 | unset($this); |
219 | } | |
220 | ||
0381e170 | 221 | protected function _fetchRow() |
0337d704 | 222 | { |
0381e170 | 223 | return $this->_res ? $this->_res->fetch_row() : null; |
0337d704 | 224 | } |
225 | ||
0381e170 | 226 | protected function _fetchAssoc() |
0337d704 | 227 | { |
0381e170 | 228 | return $this->_res ? $this->_res->fetch_assoc() : null; |
0337d704 | 229 | } |
230 | ||
0381e170 | 231 | public function fetchAllRow() |
0337d704 | 232 | { |
233 | $result = Array(); | |
0381e170 | 234 | if (!$this->_res) { |
235 | return $result; | |
236 | } | |
32d9ae72 | 237 | while ($result[] = $this->_res->fetch_row()); |
0337d704 | 238 | array_pop($result); |
239 | $this->free(); | |
240 | return $result; | |
241 | } | |
242 | ||
0381e170 | 243 | public function fetchAllAssoc() |
0337d704 | 244 | { |
245 | $result = Array(); | |
0381e170 | 246 | if (!$this->_res) { |
247 | return $result; | |
248 | } | |
32d9ae72 | 249 | while ($result[] = $this->_res->fetch_assoc()); |
0337d704 | 250 | array_pop($result); |
251 | $this->free(); | |
252 | return $result; | |
253 | } | |
254 | ||
0381e170 | 255 | public function fetchOneAssoc() |
0337d704 | 256 | { |
257 | $tmp = $this->_fetchAssoc(); | |
258 | $this->free(); | |
259 | return $tmp; | |
260 | } | |
261 | ||
0381e170 | 262 | public function fetchOneRow() |
0337d704 | 263 | { |
264 | $tmp = $this->_fetchRow(); | |
265 | $this->free(); | |
266 | return $tmp; | |
267 | } | |
268 | ||
0381e170 | 269 | public function fetchOneCell() |
0337d704 | 270 | { |
271 | $tmp = $this->_fetchRow(); | |
272 | $this->free(); | |
273 | return $tmp[0]; | |
274 | } | |
275 | ||
0381e170 | 276 | public function fetchColumn($key = 0) |
0337d704 | 277 | { |
278 | $res = Array(); | |
279 | if (is_numeric($key)) { | |
280 | while($tmp = $this->_fetchRow()) { | |
281 | $res[] = $tmp[$key]; | |
282 | } | |
283 | } else { | |
284 | while($tmp = $this->_fetchAssoc()) { | |
285 | $res[] = $tmp[$key]; | |
286 | } | |
287 | } | |
288 | $this->free(); | |
289 | return $res; | |
290 | } | |
291 | ||
0381e170 | 292 | public function fetchOneField() |
0380bf85 | 293 | { |
0381e170 | 294 | return $this->_res ? $this->_res->fetch_field() : null; |
0380bf85 | 295 | } |
296 | ||
0381e170 | 297 | public function fetchFields() |
0380bf85 | 298 | { |
299 | $res = array(); | |
300 | while ($res[] = $this->fetchOneField()); | |
301 | return $res; | |
302 | } | |
303 | ||
0381e170 | 304 | public function numRows() |
0337d704 | 305 | { |
0381e170 | 306 | return $this->_res ? $this->_res->num_rows : 0; |
0337d704 | 307 | } |
0380bf85 | 308 | |
0381e170 | 309 | public function fieldCount() |
0380bf85 | 310 | { |
0381e170 | 311 | return $this->_res ? $this->_res->field_count : 0; |
0380bf85 | 312 | } |
0337d704 | 313 | } |
314 | ||
2b1ee50b | 315 | require_once dirname(__FILE__) . '/pliterator.php'; |
316 | ||
0381e170 | 317 | class XOrgDBIterator extends XOrgDBResult implements PlIterator |
0337d704 | 318 | { |
85d3b330 | 319 | private $_result; |
320 | private $_pos; | |
321 | private $_total; | |
0380bf85 | 322 | private $_fpos; |
323 | private $_fields; | |
85d3b330 | 324 | private $_mode = MYSQL_ASSOC; |
0337d704 | 325 | |
0381e170 | 326 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 327 | { |
0381e170 | 328 | parent::__construct($query); |
0337d704 | 329 | $this->_pos = 0; |
0381e170 | 330 | $this->_total = $this->numRows(); |
0380bf85 | 331 | $this->_fpost = 0; |
0381e170 | 332 | $this->_fields = $this->fieldCount(); |
0337d704 | 333 | $this->_mode = $mode; |
334 | } | |
335 | ||
0381e170 | 336 | public function next() |
0337d704 | 337 | { |
338 | $this->_pos ++; | |
339 | if ($this->_pos > $this->_total) { | |
0381e170 | 340 | $this->free(); |
0337d704 | 341 | unset($this); |
342 | return null; | |
343 | } | |
0381e170 | 344 | return $this->_mode != MYSQL_ASSOC ? $this->_fetchRow() : $this->_fetchAssoc(); |
0337d704 | 345 | } |
346 | ||
0381e170 | 347 | public function first() |
0337d704 | 348 | { |
349 | return $this->_pos == 1; | |
350 | } | |
351 | ||
0381e170 | 352 | public function last() |
0337d704 | 353 | { |
0380bf85 | 354 | return $this->_pos == $this->_total; |
0337d704 | 355 | } |
356 | ||
0381e170 | 357 | public function total() |
0337d704 | 358 | { |
359 | return $this->_total; | |
360 | } | |
0380bf85 | 361 | |
0381e170 | 362 | public function nextField() |
0380bf85 | 363 | { |
364 | $this->_fpos++; | |
365 | if ($this->_fpos > $this->_fields) { | |
366 | return null; | |
367 | } | |
0381e170 | 368 | return $this->fetchOneField(); |
0380bf85 | 369 | } |
370 | ||
0381e170 | 371 | public function firstField() |
0380bf85 | 372 | { |
373 | return $this->_fpos == 1; | |
374 | } | |
375 | ||
0381e170 | 376 | public function lastField() |
0380bf85 | 377 | { |
378 | return $this->_fpos == $this->_fields; | |
379 | } | |
380 | ||
0381e170 | 381 | public function totalFields() |
0380bf85 | 382 | { |
383 | return $this->_fields; | |
384 | } | |
0337d704 | 385 | } |
386 | ||
a7de4ef7 | 387 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 388 | ?> |