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4263 changed files with 3014 additions and 720369 deletions
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@ -1,957 +0,0 @@
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<?php
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/**
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* Tracking changes on databases, tables and views
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\ConfigStorage\Relation;
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use PhpMyAdmin\Plugins\Export\ExportSql;
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use PhpMyAdmin\SqlParser\Parser;
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use PhpMyAdmin\SqlParser\Statements\AlterStatement;
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use PhpMyAdmin\SqlParser\Statements\CreateStatement;
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use PhpMyAdmin\SqlParser\Statements\DeleteStatement;
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use PhpMyAdmin\SqlParser\Statements\DropStatement;
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use PhpMyAdmin\SqlParser\Statements\InsertStatement;
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use PhpMyAdmin\SqlParser\Statements\RenameStatement;
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use PhpMyAdmin\SqlParser\Statements\TruncateStatement;
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use PhpMyAdmin\SqlParser\Statements\UpdateStatement;
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use function array_values;
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use function count;
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use function explode;
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use function intval;
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use function is_array;
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use function mb_strpos;
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use function mb_strstr;
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use function mb_substr;
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use function preg_quote;
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use function preg_replace;
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use function rtrim;
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use function serialize;
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use function sprintf;
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use function str_replace;
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use function strtotime;
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use function substr;
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use function trim;
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/**
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* This class tracks changes on databases, tables and views.
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*
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* @todo use stristr instead of strstr
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*/
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class Tracker
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{
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public const TRACKER_ENABLED_CACHE_KEY = 'phpmyadmin.tracker.enabled';
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/**
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* Cache to avoid quering tracking status multiple times.
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*
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* @var array
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*/
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protected static $trackingCache = [];
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/**
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* Actually enables tracking. This needs to be done after all
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* underlaying code is initialized.
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*/
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public static function enable(): void
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{
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Cache::set(self::TRACKER_ENABLED_CACHE_KEY, true);
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}
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/**
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* Gets the on/off value of the Tracker module, starts initialization.
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*
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* @static
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*/
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public static function isActive(): bool
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{
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global $dbi;
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$trackingEnabled = Cache::get(self::TRACKER_ENABLED_CACHE_KEY, false);
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if (! $trackingEnabled) {
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return false;
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}
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/**
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* We need to avoid attempt to track any queries from {@link Relation::getRelationParameters()}
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*/
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Cache::set(self::TRACKER_ENABLED_CACHE_KEY, false);
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$relation = new Relation($dbi);
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$relationParameters = $relation->getRelationParameters();
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/* Restore original state */
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Cache::set(self::TRACKER_ENABLED_CACHE_KEY, true);
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return $relationParameters->trackingFeature !== null;
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}
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/**
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* Parses the name of a table from a SQL statement substring.
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*
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* @param string $string part of SQL statement
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*
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* @return string the name of table
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*
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* @static
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*/
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protected static function getTableName($string)
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{
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if (mb_strstr($string, '.')) {
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$temp = explode('.', $string);
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$tableName = $temp[1];
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} else {
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$tableName = $string;
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}
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$str = explode("\n", $tableName);
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$tableName = $str[0];
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$tableName = str_replace([';', '`'], '', $tableName);
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$tableName = trim($tableName);
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return $tableName;
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}
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/**
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* Gets the tracking status of a table, is it active or disabled ?
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*
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* @param string $dbName name of database
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* @param string $tableName name of table
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*
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* @static
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*/
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public static function isTracked($dbName, $tableName): bool
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{
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global $dbi;
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$trackingEnabled = Cache::get(self::TRACKER_ENABLED_CACHE_KEY, false);
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if (! $trackingEnabled) {
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return false;
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}
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if (isset(self::$trackingCache[$dbName][$tableName])) {
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return self::$trackingCache[$dbName][$tableName];
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}
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/**
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* We need to avoid attempt to track any queries from {@link Relation::getRelationParameters()}
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*/
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Cache::set(self::TRACKER_ENABLED_CACHE_KEY, false);
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$relation = new Relation($dbi);
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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/* Restore original state */
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Cache::set(self::TRACKER_ENABLED_CACHE_KEY, true);
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if ($trackingFeature === null) {
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return false;
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}
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$sqlQuery = sprintf(
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'SELECT tracking_active FROM %s.%s WHERE db_name = \'%s\' AND table_name = \'%s\''
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. ' ORDER BY version DESC LIMIT 1',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$dbi->escapeString($dbName),
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$dbi->escapeString($tableName)
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);
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$result = $dbi->fetchValue($sqlQuery, 0, DatabaseInterface::CONNECT_CONTROL) == 1;
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self::$trackingCache[$dbName][$tableName] = $result;
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return $result;
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}
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/**
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* Returns the comment line for the log.
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*
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* @return string Comment, contains date and username
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*/
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public static function getLogComment()
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{
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$date = Util::date('Y-m-d H:i:s');
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$user = preg_replace('/\s+/', ' ', $GLOBALS['cfg']['Server']['user']);
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return '# log ' . $date . ' ' . $user . "\n";
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}
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/**
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* Creates tracking version of a table / view
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* (in other words: create a job to track future changes on the table).
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*
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* @param string $dbName name of database
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* @param string $tableName name of table
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* @param string $version version
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* @param string $trackingSet set of tracking statements
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* @param bool $isView if table is a view
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*
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* @static
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*/
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public static function createVersion(
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$dbName,
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$tableName,
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$version,
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$trackingSet = '',
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bool $isView = false
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): bool {
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global $sql_backquotes, $export_type, $dbi;
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$relation = new Relation($dbi);
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if ($trackingSet == '') {
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$trackingSet = $GLOBALS['cfg']['Server']['tracking_default_statements'];
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}
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$exportSqlPlugin = Plugins::getPlugin('export', 'sql', [
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'export_type' => (string) $export_type,
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'single_table' => false,
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]);
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if (! $exportSqlPlugin instanceof ExportSql) {
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return false;
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}
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$sql_backquotes = true;
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$date = Util::date('Y-m-d H:i:s');
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// Get data definition snapshot of table
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$columns = $dbi->getColumns($dbName, $tableName, true);
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// int indices to reduce size
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$columns = array_values($columns);
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// remove Privileges to reduce size
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for ($i = 0, $nb = count($columns); $i < $nb; $i++) {
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unset($columns[$i]['Privileges']);
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}
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$indexes = $dbi->getTableIndexes($dbName, $tableName);
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$snapshot = [
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'COLUMNS' => $columns,
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'INDEXES' => $indexes,
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];
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$snapshot = serialize($snapshot);
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// Get DROP TABLE / DROP VIEW and CREATE TABLE SQL statements
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$sql_backquotes = true;
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$createSql = '';
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_table'] == true && $isView === false) {
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$createSql .= self::getLogComment()
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. 'DROP TABLE IF EXISTS ' . Util::backquote($tableName) . ";\n";
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}
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_view'] == true && $isView === true) {
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$createSql .= self::getLogComment()
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. 'DROP VIEW IF EXISTS ' . Util::backquote($tableName) . ";\n";
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}
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$createSql .= self::getLogComment() .
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$exportSqlPlugin->getTableDef($dbName, $tableName, "\n", '');
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// Save version
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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if ($trackingFeature === null) {
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return false;
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}
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$sqlQuery = sprintf(
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'/*NOTRACK*/' . "\n" . 'INSERT INTO %s.%s (db_name, table_name, version,'
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. ' date_created, date_updated, schema_snapshot, schema_sql, data_sql, tracking)'
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. ' values (\'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\')',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$dbi->escapeString($dbName),
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$dbi->escapeString($tableName),
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$dbi->escapeString($version),
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$dbi->escapeString($date),
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$dbi->escapeString($date),
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$dbi->escapeString($snapshot),
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$dbi->escapeString($createSql),
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$dbi->escapeString("\n"),
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$dbi->escapeString($trackingSet)
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);
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$dbi->queryAsControlUser($sqlQuery);
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// Deactivate previous version
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return self::deactivateTracking($dbName, $tableName, (int) $version - 1);
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}
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/**
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* Removes all tracking data for a table or a version of a table
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*
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* @param string $dbName name of database
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* @param string $tableName name of table
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* @param string $version version
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*/
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public static function deleteTracking($dbName, $tableName, $version = ''): bool
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{
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global $dbi;
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$relation = new Relation($dbi);
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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if ($trackingFeature === null) {
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return false;
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}
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$sqlQuery = sprintf(
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'/*NOTRACK*/' . "\n" . 'DELETE FROM %s.%s WHERE `db_name` = \'%s\' AND `table_name` = \'%s\'',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$dbi->escapeString($dbName),
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$dbi->escapeString($tableName)
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);
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if ($version) {
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$sqlQuery .= " AND `version` = '" . $dbi->escapeString($version) . "'";
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}
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return (bool) $dbi->queryAsControlUser($sqlQuery);
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}
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/**
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* Creates tracking version of a database
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* (in other words: create a job to track future changes on the database).
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*
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* @param string $dbName name of database
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* @param string $version version
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* @param string $query query
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* @param string $trackingSet set of tracking statements
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*/
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public static function createDatabaseVersion(
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$dbName,
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$version,
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$query,
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$trackingSet = 'CREATE DATABASE,ALTER DATABASE,DROP DATABASE'
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): bool {
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global $dbi;
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$relation = new Relation($dbi);
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$date = Util::date('Y-m-d H:i:s');
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if ($trackingSet == '') {
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$trackingSet = $GLOBALS['cfg']['Server']['tracking_default_statements'];
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}
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$createSql = '';
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if ($GLOBALS['cfg']['Server']['tracking_add_drop_database'] == true) {
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$createSql .= self::getLogComment() . 'DROP DATABASE IF EXISTS ' . Util::backquote($dbName) . ";\n";
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}
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$createSql .= self::getLogComment() . $query;
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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if ($trackingFeature === null) {
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return false;
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}
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// Save version
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$sqlQuery = sprintf(
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'/*NOTRACK*/' . "\n" . 'INSERT INTO %s.%s (db_name, table_name, version,'
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. ' date_created, date_updated, schema_snapshot, schema_sql, data_sql, tracking)'
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. ' values (\'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\')',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$dbi->escapeString($dbName),
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$dbi->escapeString(''),
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$dbi->escapeString($version),
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$dbi->escapeString($date),
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$dbi->escapeString($date),
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$dbi->escapeString(''),
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$dbi->escapeString($createSql),
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$dbi->escapeString("\n"),
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$dbi->escapeString($trackingSet)
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);
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return (bool) $dbi->queryAsControlUser($sqlQuery);
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}
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/**
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* Changes tracking of a table.
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*
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* @param string $dbName name of database
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* @param string $tableName name of table
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* @param string $version version
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* @param int $newState the new state of tracking
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*/
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private static function changeTracking(
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$dbName,
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$tableName,
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$version,
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$newState
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): bool {
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global $dbi;
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$relation = new Relation($dbi);
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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if ($trackingFeature === null) {
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return false;
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}
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$sqlQuery = sprintf(
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'UPDATE %s.%s SET `tracking_active` = \'%d\''
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. ' WHERE `db_name` = \'%s\' AND `table_name` = \'%s\' AND `version` = \'%s\'',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$newState,
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$dbi->escapeString($dbName),
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$dbi->escapeString($tableName),
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$dbi->escapeString((string) $version)
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);
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return (bool) $dbi->queryAsControlUser($sqlQuery);
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}
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/**
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* Changes tracking data of a table.
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*
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* @param string $dbName name of database
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* @param string $tableName name of table
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* @param string $version version
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* @param string $type type of data(DDL || DML)
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* @param string|array $newData the new tracking data
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*
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* @static
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*/
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public static function changeTrackingData(
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$dbName,
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$tableName,
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$version,
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$type,
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$newData
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): bool {
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global $dbi;
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$relation = new Relation($dbi);
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|
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if ($type === 'DDL') {
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$saveTo = 'schema_sql';
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} elseif ($type === 'DML') {
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$saveTo = 'data_sql';
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} else {
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return false;
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}
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$date = Util::date('Y-m-d H:i:s');
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$newDataProcessed = '';
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if (is_array($newData)) {
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foreach ($newData as $data) {
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$newDataProcessed .= '# log ' . $date . ' ' . $data['username']
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. $dbi->escapeString($data['statement']) . "\n";
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}
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} else {
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$newDataProcessed = $newData;
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}
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$trackingFeature = $relation->getRelationParameters()->trackingFeature;
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if ($trackingFeature === null) {
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return false;
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}
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|
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$sqlQuery = sprintf(
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'UPDATE %s.%s SET `%s` = \'%s\' WHERE `db_name` = \'%s\' AND `table_name` = \'%s\' AND `version` = \'%s\'',
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Util::backquote($trackingFeature->database),
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Util::backquote($trackingFeature->tracking),
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$saveTo,
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$newDataProcessed,
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$dbi->escapeString($dbName),
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$dbi->escapeString($tableName),
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$dbi->escapeString($version)
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||||
);
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$result = $dbi->queryAsControlUser($sqlQuery);
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|
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return (bool) $result;
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}
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|
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/**
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* Activates tracking of a table.
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*
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* @param string $dbname name of database
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* @param string $tablename name of table
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||||
* @param string $version version
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||||
*/
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public static function activateTracking($dbname, $tablename, $version): bool
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||||
{
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return self::changeTracking($dbname, $tablename, $version, 1);
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||||
}
|
||||
|
||||
/**
|
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* Deactivates tracking of a table.
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||||
*
|
||||
* @param string $dbname name of database
|
||||
* @param string $tablename name of table
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||||
* @param string $version version
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||||
*/
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public static function deactivateTracking($dbname, $tablename, $version): bool
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||||
{
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return self::changeTracking($dbname, $tablename, $version, 0);
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||||
}
|
||||
|
||||
/**
|
||||
* Gets the newest version of a tracking job
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||||
* (in other words: gets the HEAD version).
|
||||
*
|
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* @param string $dbname name of database
|
||||
* @param string $tablename name of table
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||||
* @param string $statement tracked statement
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||||
*
|
||||
* @return int (-1 if no version exists | > 0 if a version exists)
|
||||
*
|
||||
* @static
|
||||
*/
|
||||
public static function getVersion(string $dbname, string $tablename, ?string $statement = null)
|
||||
{
|
||||
global $dbi;
|
||||
|
||||
$relation = new Relation($dbi);
|
||||
$trackingFeature = $relation->getRelationParameters()->trackingFeature;
|
||||
if ($trackingFeature === null) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
$sqlQuery = sprintf(
|
||||
'SELECT MAX(version) FROM %s.%s WHERE `db_name` = \'%s\' AND `table_name` = \'%s\'',
|
||||
Util::backquote($trackingFeature->database),
|
||||
Util::backquote($trackingFeature->tracking),
|
||||
$dbi->escapeString($dbname),
|
||||
$dbi->escapeString($tablename)
|
||||
);
|
||||
|
||||
if ($statement != '') {
|
||||
$sqlQuery .= " AND FIND_IN_SET('" . $statement . "',tracking) > 0";
|
||||
}
|
||||
|
||||
$result = $dbi->tryQueryAsControlUser($sqlQuery);
|
||||
|
||||
if ($result === false) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
$row = $result->fetchRow();
|
||||
|
||||
return intval($row[0] ?? -1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the record of a tracking job.
|
||||
*
|
||||
* @param string $dbname name of database
|
||||
* @param string $tablename name of table
|
||||
* @param string $version version number
|
||||
*
|
||||
* @return mixed record DDM log, DDL log, structure snapshot, tracked
|
||||
* statements.
|
||||
*
|
||||
* @static
|
||||
*/
|
||||
public static function getTrackedData($dbname, $tablename, $version)
|
||||
{
|
||||
global $dbi;
|
||||
|
||||
$relation = new Relation($dbi);
|
||||
$trackingFeature = $relation->getRelationParameters()->trackingFeature;
|
||||
if ($trackingFeature === null) {
|
||||
return [];
|
||||
}
|
||||
|
||||
$sqlQuery = sprintf(
|
||||
'SELECT * FROM %s.%s WHERE `db_name` = \'%s\'',
|
||||
Util::backquote($trackingFeature->database),
|
||||
Util::backquote($trackingFeature->tracking),
|
||||
$dbi->escapeString($dbname)
|
||||
);
|
||||
if (! empty($tablename)) {
|
||||
$sqlQuery .= " AND `table_name` = '"
|
||||
. $dbi->escapeString($tablename) . "' ";
|
||||
}
|
||||
|
||||
$sqlQuery .= " AND `version` = '" . $dbi->escapeString($version)
|
||||
. "' ORDER BY `version` DESC LIMIT 1";
|
||||
|
||||
$mixed = $dbi->queryAsControlUser($sqlQuery)->fetchAssoc();
|
||||
|
||||
// PHP 7.4 fix for accessing array offset on null
|
||||
if ($mixed === []) {
|
||||
$mixed = [
|
||||
'schema_sql' => null,
|
||||
'data_sql' => null,
|
||||
'tracking' => null,
|
||||
'schema_snapshot' => null,
|
||||
];
|
||||
}
|
||||
|
||||
// Parse log
|
||||
$logSchemaEntries = explode('# log ', (string) $mixed['schema_sql']);
|
||||
$logDataEntries = explode('# log ', (string) $mixed['data_sql']);
|
||||
|
||||
$ddlDateFrom = $date = Util::date('Y-m-d H:i:s');
|
||||
|
||||
$ddlog = [];
|
||||
$firstIteration = true;
|
||||
|
||||
// Iterate tracked data definition statements
|
||||
// For each log entry we want to get date, username and statement
|
||||
foreach ($logSchemaEntries as $logEntry) {
|
||||
if (trim($logEntry) == '') {
|
||||
continue;
|
||||
}
|
||||
|
||||
$date = mb_substr($logEntry, 0, 19);
|
||||
$username = mb_substr(
|
||||
$logEntry,
|
||||
20,
|
||||
mb_strpos($logEntry, "\n") - 20
|
||||
);
|
||||
if ($firstIteration) {
|
||||
$ddlDateFrom = $date;
|
||||
$firstIteration = false;
|
||||
}
|
||||
|
||||
$statement = rtrim((string) mb_strstr($logEntry, "\n"));
|
||||
|
||||
$ddlog[] = [
|
||||
'date' => $date,
|
||||
'username' => $username,
|
||||
'statement' => $statement,
|
||||
];
|
||||
}
|
||||
|
||||
$dateFrom = $ddlDateFrom;
|
||||
$ddlDateTo = $date;
|
||||
|
||||
$dmlDateFrom = $dateFrom;
|
||||
|
||||
$dmlog = [];
|
||||
$firstIteration = true;
|
||||
|
||||
// Iterate tracked data manipulation statements
|
||||
// For each log entry we want to get date, username and statement
|
||||
foreach ($logDataEntries as $logEntry) {
|
||||
if (trim($logEntry) == '') {
|
||||
continue;
|
||||
}
|
||||
|
||||
$date = mb_substr($logEntry, 0, 19);
|
||||
$username = mb_substr(
|
||||
$logEntry,
|
||||
20,
|
||||
mb_strpos($logEntry, "\n") - 20
|
||||
);
|
||||
if ($firstIteration) {
|
||||
$dmlDateFrom = $date;
|
||||
$firstIteration = false;
|
||||
}
|
||||
|
||||
$statement = rtrim((string) mb_strstr($logEntry, "\n"));
|
||||
|
||||
$dmlog[] = [
|
||||
'date' => $date,
|
||||
'username' => $username,
|
||||
'statement' => $statement,
|
||||
];
|
||||
}
|
||||
|
||||
$dmlDateTo = $date;
|
||||
|
||||
// Define begin and end of date range for both logs
|
||||
$data = [];
|
||||
if (strtotime($ddlDateFrom) <= strtotime($dmlDateFrom)) {
|
||||
$data['date_from'] = $ddlDateFrom;
|
||||
} else {
|
||||
$data['date_from'] = $dmlDateFrom;
|
||||
}
|
||||
|
||||
if (strtotime($ddlDateTo) >= strtotime($dmlDateTo)) {
|
||||
$data['date_to'] = $ddlDateTo;
|
||||
} else {
|
||||
$data['date_to'] = $dmlDateTo;
|
||||
}
|
||||
|
||||
$data['ddlog'] = $ddlog;
|
||||
$data['dmlog'] = $dmlog;
|
||||
$data['tracking'] = $mixed['tracking'];
|
||||
$data['schema_snapshot'] = $mixed['schema_snapshot'];
|
||||
|
||||
return $data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses a query. Gets
|
||||
* - statement identifier (UPDATE, ALTER TABLE, ...)
|
||||
* - type of statement, is it part of DDL or DML ?
|
||||
* - tablename
|
||||
*
|
||||
* @param string $query query
|
||||
*
|
||||
* @return array containing identifier, type and tablename.
|
||||
*
|
||||
* @static
|
||||
* @todo: using PMA SQL Parser when possible
|
||||
* @todo: support multi-table/view drops
|
||||
*/
|
||||
public static function parseQuery($query): array
|
||||
{
|
||||
// Usage of PMA_SQP does not work here
|
||||
//
|
||||
// require_once("libraries/sqlparser.lib.php");
|
||||
// $parsed_sql = PMA_SQP_parse($query);
|
||||
// $sql_info = PMA_SQP_analyze($parsed_sql);
|
||||
|
||||
$parser = new Parser($query);
|
||||
|
||||
$tokens = $parser->list->tokens;
|
||||
|
||||
// Parse USE statement, need it for SQL dump imports
|
||||
if ($tokens[0]->value === 'USE') {
|
||||
$GLOBALS['db'] = $tokens[2]->value;
|
||||
}
|
||||
|
||||
$result = [];
|
||||
|
||||
if (! empty($parser->statements)) {
|
||||
$statement = $parser->statements[0];
|
||||
$options = isset($statement->options) ? $statement->options->options : null;
|
||||
|
||||
/*
|
||||
* DDL statements
|
||||
*/
|
||||
$result['type'] = 'DDL';
|
||||
|
||||
// Parse CREATE statement
|
||||
if ($statement instanceof CreateStatement) {
|
||||
if (empty($options) || ! isset($options[6])) {
|
||||
return $result;
|
||||
}
|
||||
|
||||
if ($options[6] === 'VIEW' || $options[6] === 'TABLE') {
|
||||
$result['identifier'] = 'CREATE ' . $options[6];
|
||||
$result['tablename'] = $statement->name !== null ? $statement->name->table : null;
|
||||
} elseif ($options[6] === 'DATABASE') {
|
||||
$result['identifier'] = 'CREATE DATABASE';
|
||||
$result['tablename'] = '';
|
||||
|
||||
// In case of CREATE DATABASE, database field of the CreateStatement is the name of the database
|
||||
$GLOBALS['db'] = $statement->name !== null ? $statement->name->database : null;
|
||||
} elseif (
|
||||
$options[6] === 'INDEX'
|
||||
|| $options[6] === 'UNIQUE INDEX'
|
||||
|| $options[6] === 'FULLTEXT INDEX'
|
||||
|| $options[6] === 'SPATIAL INDEX'
|
||||
) {
|
||||
$result['identifier'] = 'CREATE INDEX';
|
||||
|
||||
// In case of CREATE INDEX, we have to get the table name from body of the statement
|
||||
$result['tablename'] = $statement->body[3]->value === '.' ? $statement->body[4]->value
|
||||
: $statement->body[2]->value;
|
||||
}
|
||||
} elseif ($statement instanceof AlterStatement) { // Parse ALTER statement
|
||||
if (empty($options) || ! isset($options[3])) {
|
||||
return $result;
|
||||
}
|
||||
|
||||
if ($options[3] === 'VIEW' || $options[3] === 'TABLE') {
|
||||
$result['identifier'] = 'ALTER ' . $options[3];
|
||||
$result['tablename'] = $statement->table->table;
|
||||
} elseif ($options[3] === 'DATABASE') {
|
||||
$result['identifier'] = 'ALTER DATABASE';
|
||||
$result['tablename'] = '';
|
||||
|
||||
$GLOBALS['db'] = $statement->table->table;
|
||||
}
|
||||
} elseif ($statement instanceof DropStatement) { // Parse DROP statement
|
||||
if (empty($options) || ! isset($options[1])) {
|
||||
return $result;
|
||||
}
|
||||
|
||||
if ($options[1] === 'VIEW' || $options[1] === 'TABLE') {
|
||||
$result['identifier'] = 'DROP ' . $options[1];
|
||||
$result['tablename'] = $statement->fields[0]->table;
|
||||
} elseif ($options[1] === 'DATABASE') {
|
||||
$result['identifier'] = 'DROP DATABASE';
|
||||
$result['tablename'] = '';
|
||||
|
||||
$GLOBALS['db'] = $statement->fields[0]->table;
|
||||
} elseif ($options[1] === 'INDEX') {
|
||||
$result['identifier'] = 'DROP INDEX';
|
||||
$result['tablename'] = $statement->table->table;
|
||||
}
|
||||
} elseif ($statement instanceof RenameStatement) { // Parse RENAME statement
|
||||
$result['identifier'] = 'RENAME TABLE';
|
||||
$result['tablename'] = $statement->renames[0]->old->table;
|
||||
$result['tablename_after_rename'] = $statement->renames[0]->new->table;
|
||||
}
|
||||
|
||||
if (isset($result['identifier'])) {
|
||||
return $result;
|
||||
}
|
||||
|
||||
/*
|
||||
* DML statements
|
||||
*/
|
||||
$result['type'] = 'DML';
|
||||
|
||||
// Parse UPDATE statement
|
||||
if ($statement instanceof UpdateStatement) {
|
||||
$result['identifier'] = 'UPDATE';
|
||||
$result['tablename'] = $statement->tables[0]->table;
|
||||
}
|
||||
|
||||
// Parse INSERT INTO statement
|
||||
if ($statement instanceof InsertStatement) {
|
||||
$result['identifier'] = 'INSERT';
|
||||
$result['tablename'] = $statement->into->dest->table;
|
||||
}
|
||||
|
||||
// Parse DELETE statement
|
||||
if ($statement instanceof DeleteStatement) {
|
||||
$result['identifier'] = 'DELETE';
|
||||
$result['tablename'] = $statement->from[0]->table;
|
||||
}
|
||||
|
||||
// Parse TRUNCATE statement
|
||||
if ($statement instanceof TruncateStatement) {
|
||||
$result['identifier'] = 'TRUNCATE';
|
||||
$result['tablename'] = $statement->table->table;
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Analyzes a given SQL statement and saves tracking data.
|
||||
*
|
||||
* @param string $query a SQL query
|
||||
*
|
||||
* @static
|
||||
*/
|
||||
public static function handleQuery($query): void
|
||||
{
|
||||
global $dbi;
|
||||
|
||||
$relation = new Relation($dbi);
|
||||
|
||||
// If query is marked as untouchable, leave
|
||||
if (mb_strstr($query, '/*NOTRACK*/')) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (! (substr($query, -1) === ';')) {
|
||||
$query .= ";\n";
|
||||
}
|
||||
|
||||
// Get database name
|
||||
$dbname = trim($GLOBALS['db'] ?? '', '`');
|
||||
// $dbname can be empty, for example when coming from Synchronize
|
||||
// and this is a query for the remote server
|
||||
if (empty($dbname)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Get some information about query
|
||||
$result = self::parseQuery($query);
|
||||
|
||||
// If we found a valid statement
|
||||
if (! isset($result['identifier'])) {
|
||||
return;
|
||||
}
|
||||
|
||||
// The table name was not found, see issue: #16837 as an example
|
||||
// Also checks if the value is not null
|
||||
if (! isset($result['tablename'])) {
|
||||
return;
|
||||
}
|
||||
|
||||
$version = self::getVersion($dbname, $result['tablename'], $result['identifier']);
|
||||
|
||||
// If version not exists and auto-creation is enabled
|
||||
if ($GLOBALS['cfg']['Server']['tracking_version_auto_create'] == true && $version == -1) {
|
||||
// Create the version
|
||||
|
||||
switch ($result['identifier']) {
|
||||
case 'CREATE TABLE':
|
||||
self::createVersion($dbname, $result['tablename'], '1');
|
||||
break;
|
||||
case 'CREATE VIEW':
|
||||
self::createVersion($dbname, $result['tablename'], '1', '', true);
|
||||
break;
|
||||
case 'CREATE DATABASE':
|
||||
self::createDatabaseVersion($dbname, '1', $query);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// If version exists
|
||||
if ($version == -1) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (! self::isTracked($dbname, $result['tablename'])) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ($result['type'] === 'DDL') {
|
||||
$saveTo = 'schema_sql';
|
||||
} elseif ($result['type'] === 'DML') {
|
||||
$saveTo = 'data_sql';
|
||||
} else {
|
||||
$saveTo = '';
|
||||
}
|
||||
|
||||
$date = Util::date('Y-m-d H:i:s');
|
||||
|
||||
// Cut off `dbname`. from query
|
||||
$query = preg_replace(
|
||||
'/`' . preg_quote($dbname, '/') . '`\s?\./',
|
||||
'',
|
||||
$query
|
||||
);
|
||||
|
||||
// Add log information
|
||||
$query = self::getLogComment() . $query;
|
||||
|
||||
$trackingFeature = $relation->getRelationParameters()->trackingFeature;
|
||||
if ($trackingFeature === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Mark it as untouchable
|
||||
$sqlQuery = sprintf(
|
||||
'/*NOTRACK*/' . "\n" . 'UPDATE %s.%s SET %s = CONCAT(%s, \'' . "\n" . '%s\'), `date_updated` = \'%s\'',
|
||||
Util::backquote($trackingFeature->database),
|
||||
Util::backquote($trackingFeature->tracking),
|
||||
Util::backquote($saveTo),
|
||||
Util::backquote($saveTo),
|
||||
$dbi->escapeString($query),
|
||||
$date
|
||||
);
|
||||
|
||||
// If table was renamed we have to change
|
||||
// the tablename attribute in pma_tracking too
|
||||
if ($result['identifier'] === 'RENAME TABLE') {
|
||||
$sqlQuery .= ', `table_name` = \''
|
||||
. $dbi->escapeString($result['tablename_after_rename'])
|
||||
. '\' ';
|
||||
}
|
||||
|
||||
// Save the tracking information only for
|
||||
// 1. the database
|
||||
// 2. the table / view
|
||||
// 3. the statements
|
||||
// we want to track
|
||||
$sqlQuery .= " WHERE FIND_IN_SET('" . $result['identifier'] . "',tracking) > 0" .
|
||||
" AND `db_name` = '" . $dbi->escapeString($dbname ?? '') . "' " .
|
||||
" AND `table_name` = '"
|
||||
. $dbi->escapeString($result['tablename']) . "' " .
|
||||
" AND `version` = '" . $dbi->escapeString((string) $version) . "' ";
|
||||
|
||||
$dbi->queryAsControlUser($sqlQuery);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue