Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
0.00% |
0 / 115 |
|
0.00% |
0 / 6 |
CRAP | |
0.00% |
0 / 1 |
| mysql_extractor | |
0.00% |
0 / 115 |
|
0.00% |
0 / 6 |
1640 | |
0.00% |
0 / 1 |
| write_start | |
0.00% |
0 / 8 |
|
0.00% |
0 / 1 |
6 | |||
| write_table | |
0.00% |
0 / 10 |
|
0.00% |
0 / 1 |
42 | |||
| write_data | |
0.00% |
0 / 3 |
|
0.00% |
0 / 1 |
6 | |||
| write_data_mysqli | |
0.00% |
0 / 40 |
|
0.00% |
0 / 1 |
210 | |||
| new_write_table | |
0.00% |
0 / 9 |
|
0.00% |
0 / 1 |
6 | |||
| old_write_table | |
0.00% |
0 / 45 |
|
0.00% |
0 / 1 |
210 | |||
| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\db\extractor; |
| 15 | |
| 16 | use phpbb\db\extractor\exception\extractor_not_initialized_exception; |
| 17 | |
| 18 | class mysql_extractor extends base_extractor |
| 19 | { |
| 20 | /** |
| 21 | * {@inheritdoc} |
| 22 | */ |
| 23 | public function write_start($table_prefix) |
| 24 | { |
| 25 | if (!$this->is_initialized) |
| 26 | { |
| 27 | throw new extractor_not_initialized_exception(); |
| 28 | } |
| 29 | |
| 30 | $sql_data = "#\n"; |
| 31 | $sql_data .= "# phpBB Backup Script\n"; |
| 32 | $sql_data .= "# Dump of tables for $table_prefix\n"; |
| 33 | $sql_data .= "# DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n"; |
| 34 | $sql_data .= "#\n"; |
| 35 | $this->flush($sql_data); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * {@inheritdoc} |
| 40 | */ |
| 41 | public function write_table($table_name) |
| 42 | { |
| 43 | static $new_extract; |
| 44 | |
| 45 | if (!$this->is_initialized) |
| 46 | { |
| 47 | throw new extractor_not_initialized_exception(); |
| 48 | } |
| 49 | |
| 50 | if ($new_extract === null) |
| 51 | { |
| 52 | if ($this->db->get_sql_layer() === 'mysqli' || version_compare($this->db->sql_server_info(true), '3.23.20', '>=')) |
| 53 | { |
| 54 | $new_extract = true; |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | $new_extract = false; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | if ($new_extract) |
| 63 | { |
| 64 | $this->new_write_table($table_name); |
| 65 | } |
| 66 | else |
| 67 | { |
| 68 | $this->old_write_table($table_name); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * {@inheritdoc} |
| 74 | */ |
| 75 | public function write_data($table_name) |
| 76 | { |
| 77 | if (!$this->is_initialized) |
| 78 | { |
| 79 | throw new extractor_not_initialized_exception(); |
| 80 | } |
| 81 | |
| 82 | $this->write_data_mysqli($table_name); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Extracts data from database table (for MySQLi driver) |
| 87 | * |
| 88 | * @param string $table_name name of the database table |
| 89 | * @return void |
| 90 | * @throws extractor_not_initialized_exception when calling this function before init_extractor() |
| 91 | */ |
| 92 | protected function write_data_mysqli($table_name) |
| 93 | { |
| 94 | if (!$this->is_initialized) |
| 95 | { |
| 96 | throw new extractor_not_initialized_exception(); |
| 97 | } |
| 98 | |
| 99 | $sql = "SELECT * |
| 100 | FROM $table_name"; |
| 101 | $result = mysqli_query($this->db->get_db_connect_id(), $sql, MYSQLI_USE_RESULT); |
| 102 | if ($result != false) |
| 103 | { |
| 104 | $fields_cnt = mysqli_num_fields($result); |
| 105 | |
| 106 | // Get field information |
| 107 | $field = mysqli_fetch_fields($result); |
| 108 | $field_set = array(); |
| 109 | |
| 110 | for ($j = 0; $j < $fields_cnt; $j++) |
| 111 | { |
| 112 | $field_set[] = $field[$j]->name; |
| 113 | } |
| 114 | |
| 115 | $search = array("\\", "'", "\x00", "\x0a", "\x0d", "\x1a", '"'); |
| 116 | $replace = array("\\\\", "\\'", '\0', '\n', '\r', '\Z', '\\"'); |
| 117 | $fields = implode(', ', $field_set); |
| 118 | $sql_data = 'INSERT INTO ' . $table_name . ' (' . $fields . ') VALUES '; |
| 119 | $first_set = true; |
| 120 | $query_len = 0; |
| 121 | $max_len = get_usable_memory(); |
| 122 | |
| 123 | while ($row = mysqli_fetch_row($result)) |
| 124 | { |
| 125 | $values = array(); |
| 126 | if ($first_set) |
| 127 | { |
| 128 | $query = $sql_data . '('; |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | $query .= ',('; |
| 133 | } |
| 134 | |
| 135 | for ($j = 0; $j < $fields_cnt; $j++) |
| 136 | { |
| 137 | if (!isset($row[$j]) || is_null($row[$j])) |
| 138 | { |
| 139 | $values[$j] = 'NULL'; |
| 140 | } |
| 141 | else if (($field[$j]->flags & 32768) && !($field[$j]->flags & 1024)) |
| 142 | { |
| 143 | $values[$j] = $row[$j]; |
| 144 | } |
| 145 | else |
| 146 | { |
| 147 | $values[$j] = "'" . str_replace($search, $replace, $row[$j]) . "'"; |
| 148 | } |
| 149 | } |
| 150 | $query .= implode(', ', $values) . ')'; |
| 151 | |
| 152 | $query_len += strlen($query); |
| 153 | if ($query_len > $max_len) |
| 154 | { |
| 155 | $this->flush($query . ";\n\n"); |
| 156 | $query = ''; |
| 157 | $query_len = 0; |
| 158 | $first_set = true; |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | $first_set = false; |
| 163 | } |
| 164 | } |
| 165 | mysqli_free_result($result); |
| 166 | |
| 167 | // check to make sure we have nothing left to flush |
| 168 | if (!$first_set && $query) |
| 169 | { |
| 170 | $this->flush($query . ";\n\n"); |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Extracts database table structure (for MySQLi or MySQL 3.23.20+) |
| 177 | * |
| 178 | * @param string $table_name name of the database table |
| 179 | * @return void |
| 180 | * @throws extractor_not_initialized_exception when calling this function before init_extractor() |
| 181 | */ |
| 182 | protected function new_write_table($table_name) |
| 183 | { |
| 184 | if (!$this->is_initialized) |
| 185 | { |
| 186 | throw new extractor_not_initialized_exception(); |
| 187 | } |
| 188 | |
| 189 | $sql = 'SHOW CREATE TABLE ' . $table_name; |
| 190 | $result = $this->db->sql_query($sql); |
| 191 | $row = $this->db->sql_fetchrow($result); |
| 192 | |
| 193 | $sql_data = '# Table: ' . $table_name . "\n"; |
| 194 | $sql_data .= "DROP TABLE IF EXISTS $table_name;\n"; |
| 195 | $this->flush($sql_data . $row['Create Table'] . ";\n\n"); |
| 196 | |
| 197 | $this->db->sql_freeresult($result); |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * Extracts database table structure (for MySQL versions older than 3.23.20) |
| 202 | * |
| 203 | * @param string $table_name name of the database table |
| 204 | * @return void |
| 205 | * @throws extractor_not_initialized_exception when calling this function before init_extractor() |
| 206 | */ |
| 207 | protected function old_write_table($table_name) |
| 208 | { |
| 209 | if (!$this->is_initialized) |
| 210 | { |
| 211 | throw new extractor_not_initialized_exception(); |
| 212 | } |
| 213 | |
| 214 | $sql_data = '# Table: ' . $table_name . "\n"; |
| 215 | $sql_data .= "DROP TABLE IF EXISTS $table_name;\n"; |
| 216 | $sql_data .= "CREATE TABLE $table_name(\n"; |
| 217 | $rows = array(); |
| 218 | |
| 219 | $sql = "SHOW FIELDS |
| 220 | FROM $table_name"; |
| 221 | $result = $this->db->sql_query($sql); |
| 222 | |
| 223 | while ($row = $this->db->sql_fetchrow($result)) |
| 224 | { |
| 225 | $line = ' ' . $row['Field'] . ' ' . $row['Type']; |
| 226 | |
| 227 | if (!is_null($row['Default'])) |
| 228 | { |
| 229 | $line .= " DEFAULT '{$row['Default']}'"; |
| 230 | } |
| 231 | |
| 232 | if ($row['Null'] != 'YES') |
| 233 | { |
| 234 | $line .= ' NOT NULL'; |
| 235 | } |
| 236 | |
| 237 | if ($row['Extra'] != '') |
| 238 | { |
| 239 | $line .= ' ' . $row['Extra']; |
| 240 | } |
| 241 | |
| 242 | $rows[] = $line; |
| 243 | } |
| 244 | $this->db->sql_freeresult($result); |
| 245 | |
| 246 | $sql = "SHOW KEYS |
| 247 | FROM $table_name"; |
| 248 | |
| 249 | $result = $this->db->sql_query($sql); |
| 250 | |
| 251 | $index = array(); |
| 252 | while ($row = $this->db->sql_fetchrow($result)) |
| 253 | { |
| 254 | $kname = $row['Key_name']; |
| 255 | |
| 256 | if ($kname != 'PRIMARY') |
| 257 | { |
| 258 | if ($row['Non_unique'] == 0) |
| 259 | { |
| 260 | $kname = "UNIQUE|$kname"; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | if ($row['Sub_part']) |
| 265 | { |
| 266 | $row['Column_name'] .= '(' . $row['Sub_part'] . ')'; |
| 267 | } |
| 268 | $index[$kname][] = $row['Column_name']; |
| 269 | } |
| 270 | $this->db->sql_freeresult($result); |
| 271 | |
| 272 | foreach ($index as $key => $columns) |
| 273 | { |
| 274 | $line = ' '; |
| 275 | |
| 276 | if ($key == 'PRIMARY') |
| 277 | { |
| 278 | $line .= 'PRIMARY KEY (' . implode(', ', $columns) . ')'; |
| 279 | } |
| 280 | else if (strpos($key, 'UNIQUE') === 0) |
| 281 | { |
| 282 | $line .= 'UNIQUE ' . substr($key, 7) . ' (' . implode(', ', $columns) . ')'; |
| 283 | } |
| 284 | else if (strpos($key, 'FULLTEXT') === 0) |
| 285 | { |
| 286 | $line .= 'FULLTEXT ' . substr($key, 9) . ' (' . implode(', ', $columns) . ')'; |
| 287 | } |
| 288 | else |
| 289 | { |
| 290 | $line .= "KEY $key (" . implode(', ', $columns) . ')'; |
| 291 | } |
| 292 | |
| 293 | $rows[] = $line; |
| 294 | } |
| 295 | |
| 296 | $sql_data .= implode(",\n", $rows); |
| 297 | $sql_data .= "\n);\n\n"; |
| 298 | |
| 299 | $this->flush($sql_data); |
| 300 | } |
| 301 | } |