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119 lines
2.9 KiB
119 lines
2.9 KiB
2 years ago
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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\Controllers\Database\SqlController;
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use function __;
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use function defined;
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use function strlen;
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final class DbTableExists
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{
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/**
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* Ensure the database and the table exist (else move to the "parent" script)
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* and display headers
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*/
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public static function check(): void
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{
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self::checkDatabase();
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self::checkTable();
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}
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private static function checkDatabase(): void
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{
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global $db, $dbi, $is_db, $message, $show_as_php, $sql_query;
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if (! empty($is_db)) {
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return;
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}
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$is_db = false;
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if (strlen($db) > 0) {
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$is_db = @$dbi->selectDb($db);
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}
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if ($is_db || defined('IS_TRANSFORMATION_WRAPPER')) {
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return;
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}
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$response = ResponseRenderer::getInstance();
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if ($response->isAjax()) {
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$response->setRequestStatus(false);
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$response->addJSON(
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'message',
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Message::error(__('No databases selected.'))
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);
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exit;
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}
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$urlParams = ['reload' => 1];
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if (isset($message)) {
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$urlParams['message'] = $message;
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}
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if (! empty($sql_query)) {
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$urlParams['sql_query'] = $sql_query;
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}
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if (isset($show_as_php)) {
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$urlParams['show_as_php'] = $show_as_php;
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}
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Core::sendHeaderLocation('./index.php?route=/' . Url::getCommonRaw($urlParams, '&'));
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exit;
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}
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private static function checkTable(): void
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{
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global $containerBuilder, $db, $table, $dbi, $is_table;
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if (! empty($is_table) || defined('PMA_SUBMIT_MULT') || defined('TABLE_MAY_BE_ABSENT')) {
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return;
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}
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$is_table = false;
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if (strlen($table) > 0) {
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$is_table = $dbi->getCache()->getCachedTableContent([$db, $table], false);
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if ($is_table) {
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return;
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}
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$result = $dbi->tryQuery('SHOW TABLES LIKE \'' . $dbi->escapeString($table) . '\';');
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$is_table = $result && $result->numRows();
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}
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if ($is_table) {
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return;
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}
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if (defined('IS_TRANSFORMATION_WRAPPER')) {
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exit;
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}
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if (strlen($table) > 0) {
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/**
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* SHOW TABLES doesn't show temporary tables, so try select
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* (as it can happen just in case temporary table, it should be fast):
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*/
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$result = $dbi->tryQuery('SELECT COUNT(*) FROM ' . Util::backquote($table) . ';');
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$is_table = $result && $result->numRows();
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}
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if ($is_table) {
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return;
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}
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/** @var SqlController $controller */
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$controller = $containerBuilder->get(SqlController::class);
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$controller();
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exit;
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}
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}
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