Settings.php
5 years ago
WordPress.php
5 years ago
WordPressDbStatement.php
6 years ago
WordPressTracker.php
5 years ago
WordPressTracker.php
262 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Matomo - free/libre analytics platform |
| 4 | * |
| 5 | * @link https://matomo.org |
| 6 | * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 7 | * @package matomo |
| 8 | */ |
| 9 | |
| 10 | namespace Piwik\Tracker\Db; |
| 11 | |
| 12 | use Piwik\Db\Adapter\WordPressDbStatement; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit; // if accessed directly |
| 16 | } |
| 17 | |
| 18 | class WordPress extends Mysqli { |
| 19 | |
| 20 | private $old_suppress_errors_value = null; |
| 21 | |
| 22 | public function disconnect() { |
| 23 | // we do not want to disconnect WordPress DB ever as it breaks eg the tests where it loses all |
| 24 | // temporary tables... also we should leave it up to WordPress whether it wants to close db or not |
| 25 | // global $wpdb; |
| 26 | // $wpdb->close(); |
| 27 | // if ($this->connection) { |
| 28 | // parent::disconnect(); |
| 29 | // } |
| 30 | } |
| 31 | |
| 32 | public function connect() { |
| 33 | // do not connect to DB |
| 34 | } |
| 35 | |
| 36 | public function lastInsertId( $tableName = null, $primaryKey = null ) { |
| 37 | global $wpdb; |
| 38 | |
| 39 | if ( empty( $wpdb->insert_id ) ) { |
| 40 | return $this->fetchOne( 'SELECT LAST_INSERT_ID()' ); |
| 41 | } |
| 42 | |
| 43 | return $wpdb->insert_id; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @param \wpdb $wpdb |
| 48 | * |
| 49 | * @throws \Zend_Db_Statement_Exception |
| 50 | */ |
| 51 | private function after_execute_query( $wpdb ) { |
| 52 | $lastError = $wpdb->last_error; |
| 53 | |
| 54 | if ( $lastError && !$this->getErrorNumberFromMessage($lastError) ) { |
| 55 | // see #174 mysqli message usually doesn't include the error code so we need to add it for isErrNo to work |
| 56 | // we want to execute this while errors are suppressed |
| 57 | $row = $wpdb->get_row('SHOW ERRORS', ARRAY_A); |
| 58 | if (!empty($row['Code'])) { |
| 59 | $lastError = '['.$row['Code'].'] ' . $lastError; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | if ( isset( $this->old_suppress_errors_value ) ) { |
| 64 | $wpdb->suppress_errors( $this->old_suppress_errors_value ); |
| 65 | $this->old_suppress_errors_value = null; |
| 66 | } |
| 67 | |
| 68 | if ( $lastError ) { |
| 69 | throw new \Zend_Db_Statement_Exception( $lastError ); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | private function before_execute_query( $wpdb ) { |
| 74 | if ( ! $wpdb->suppress_errors |
| 75 | && defined( 'WP_DEBUG' ) |
| 76 | && WP_DEBUG |
| 77 | && defined( 'WP_DEBUG_DISPLAY' ) |
| 78 | && WP_DEBUG_DISPLAY ) { |
| 79 | // we want to prevent showing these notices |
| 80 | if ( defined( 'MATOMO_SUPPRESS_DB_ERRORS' ) ) { |
| 81 | if ( MATOMO_SUPPRESS_DB_ERRORS === true ) { |
| 82 | $this->old_suppress_errors_value = $wpdb->suppress_errors( true ); |
| 83 | } |
| 84 | |
| 85 | // any other value than false and we will not supproess |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | $this->old_suppress_errors_value = $wpdb->suppress_errors( true ); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | private function getErrorNumberFromMessage( $message ) { |
| 94 | if ( preg_match( '/(?:\[|\s)([0-9]{4})(?:\]|\s)/', $message, $match ) ) { |
| 95 | return $match[1]; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Test error number |
| 101 | * |
| 102 | * @param \Exception $e |
| 103 | * @param string $errno |
| 104 | * |
| 105 | * @return bool |
| 106 | */ |
| 107 | public function isErrNo( $e, $errno ) { |
| 108 | $errorCode = $this->getErrorNumberFromMessage($e->getMessage()); |
| 109 | return !empty($errorCode) && $errorCode == $errno; |
| 110 | } |
| 111 | |
| 112 | public function rowCount( $queryResult ) { |
| 113 | return $queryResult->rowCount(); |
| 114 | } |
| 115 | |
| 116 | private function prepareWp( $sql, $bind = array() ) { |
| 117 | global $wpdb; |
| 118 | |
| 119 | // fix some queries |
| 120 | $sql = str_replace( '%', '%%', $sql ); // eg when "value like 'done%'" |
| 121 | |
| 122 | if ( is_array( $bind ) && empty( $bind ) ) { |
| 123 | return $sql; |
| 124 | } |
| 125 | if ( ! is_array( $bind ) ) { |
| 126 | $bind = array( $bind ); |
| 127 | } |
| 128 | |
| 129 | $has_replaced_null = false; |
| 130 | $null_placeholder = '_#__###NULL###_' . rand(1, PHP_INT_MAX) . ' __#_'; |
| 131 | // random number not really needed but may prevent random issues that someone could somehow inject easily something |
| 132 | |
| 133 | foreach ($bind as $index => $val) { |
| 134 | if (is_object($val) && method_exists($val, '__toString')) { |
| 135 | $bind[$index] = $val->__toString(); |
| 136 | } |
| 137 | |
| 138 | if (is_null($val)) { |
| 139 | $bind[$index] = $null_placeholder; |
| 140 | $has_replaced_null = true; |
| 141 | } elseif (is_string($val) && strpos($val, $null_placeholder) !== false) { |
| 142 | throw new \Exception('unexpected bind param'); // preventing random injections or something |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | $sql = str_replace( '?', '%s', $sql ); |
| 147 | |
| 148 | $query = $wpdb->prepare( $sql, $bind ); |
| 149 | |
| 150 | if ($has_replaced_null) { |
| 151 | $query = str_replace("'$null_placeholder'", 'NULL', $query); |
| 152 | } |
| 153 | |
| 154 | return $query; |
| 155 | } |
| 156 | |
| 157 | public function query( $query, $parameters = array() ) { |
| 158 | global $wpdb; |
| 159 | |
| 160 | $test_query = trim( $query ); |
| 161 | if ( strpos( $test_query, '/*' ) === 0 ) { |
| 162 | // remove eg "/* trigger = CronArchive */" |
| 163 | $startPos = strpos( $test_query, '*/' ); |
| 164 | $test_query = substr( $test_query, $startPos + strlen( '*/' ) ); |
| 165 | $test_query = trim( $test_query ); |
| 166 | } |
| 167 | |
| 168 | if ( preg_match( '/^\s*(select)\s/i', $test_query ) ) { |
| 169 | // WordPress does not fetch any result when doing a select... it's only supposed to be used for things like |
| 170 | // insert / update / drop ... |
| 171 | $result = $this->fetchAll( $query, $parameters ); |
| 172 | } else { |
| 173 | $query = $this->prepareWp( $query, $parameters ); |
| 174 | $this->before_execute_query( $wpdb ); |
| 175 | $result = $wpdb->query( $query ); |
| 176 | $this->after_execute_query( $wpdb ); |
| 177 | } |
| 178 | |
| 179 | return new WordPressDbStatement( $this, $query, $result ); |
| 180 | } |
| 181 | |
| 182 | public function beginTransaction() { |
| 183 | global $wpdb; |
| 184 | if ( ! $this->activeTransaction === false ) { |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | $wpdb->query( 'START TRANSACTION' ); |
| 189 | $this->activeTransaction = uniqid(); |
| 190 | |
| 191 | return $this->activeTransaction; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Commit Transaction |
| 196 | * |
| 197 | * @param $xid |
| 198 | * |
| 199 | * @throws DbException |
| 200 | * @internal param TransactionID $string from beginTransaction |
| 201 | */ |
| 202 | public function commit( $xid ) { |
| 203 | global $wpdb; |
| 204 | |
| 205 | if ( $this->activeTransaction != $xid || $this->activeTransaction === false ) { |
| 206 | return; |
| 207 | } |
| 208 | |
| 209 | $this->activeTransaction = false; |
| 210 | |
| 211 | $wpdb->query( 'COMMIT' ); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Rollback Transaction |
| 216 | * |
| 217 | * @param $xid |
| 218 | * |
| 219 | * @throws DbException |
| 220 | * @internal param TransactionID $string from beginTransaction |
| 221 | */ |
| 222 | public function rollBack( $xid ) { |
| 223 | global $wpdb; |
| 224 | |
| 225 | if ( $this->activeTransaction != $xid || $this->activeTransaction === false ) { |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | $this->activeTransaction = false; |
| 230 | |
| 231 | $wpdb->query( 'ROLLBACK' ); |
| 232 | } |
| 233 | |
| 234 | public function fetch( $query, $parameters = array() ) { |
| 235 | global $wpdb; |
| 236 | $prepare = $this->prepareWp( $query, $parameters ); |
| 237 | |
| 238 | $this->before_execute_query( $wpdb ); |
| 239 | |
| 240 | $row = $wpdb->get_row( $prepare, ARRAY_A ); |
| 241 | |
| 242 | $this->after_execute_query( $wpdb ); |
| 243 | |
| 244 | return $row; |
| 245 | } |
| 246 | |
| 247 | public function fetchAll( $query, $parameters = array() ) { |
| 248 | global $wpdb; |
| 249 | $prepare = $this->prepareWp( $query, $parameters ); |
| 250 | |
| 251 | $this->before_execute_query( $wpdb ); |
| 252 | |
| 253 | $results = $wpdb->get_results( $prepare, ARRAY_A ); |
| 254 | |
| 255 | $this->after_execute_query( $wpdb ); |
| 256 | |
| 257 | return $results; |
| 258 | } |
| 259 | |
| 260 | |
| 261 | } |
| 262 |