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<?php |
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declare(strict_types=1); |
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namespace PhpMyAdmin\Triggers; |
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use PhpMyAdmin\DatabaseInterface; |
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use PhpMyAdmin\Html\Generator; |
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use PhpMyAdmin\Message; |
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use PhpMyAdmin\Query\Generator as QueryGenerator; |
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use PhpMyAdmin\ResponseRenderer; |
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use PhpMyAdmin\Template; |
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use PhpMyAdmin\Util; |
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use Webmozart\Assert\Assert; |
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use function __; |
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use function array_column; |
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use function array_multisort; |
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use function count; |
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use function explode; |
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use function htmlspecialchars; |
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use function in_array; |
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use function mb_strtoupper; |
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use function sprintf; |
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use function str_contains; |
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use function trim; |
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use const SORT_ASC; |
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/** |
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* Functions for trigger management. |
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*/ |
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class Triggers |
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{ |
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/** @var array<int, string> */ |
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private array $time = ['BEFORE', 'AFTER']; |
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/** @var array<int, string> */ |
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private array $event = ['INSERT', 'UPDATE', 'DELETE']; |
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112 |
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public function __construct( |
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private DatabaseInterface $dbi, |
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private Template $template, |
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private ResponseRenderer $response, |
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) { |
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} |
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/** |
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* Handles editor requests for adding or editing an item |
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*/ |
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public function handleEditor(): void |
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{ |
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$GLOBALS['errors'] ??= null; |
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$GLOBALS['message'] ??= null; |
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if (! empty($_POST['editor_process_add']) || ! empty($_POST['editor_process_edit'])) { |
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$sqlQuery = ''; |
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$itemQuery = $this->getQueryFromRequest(); |
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// set by getQueryFromRequest() |
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if (! count($GLOBALS['errors'])) { |
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// Execute the created query |
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if (! empty($_POST['editor_process_edit'])) { |
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// Backup the old trigger, in case something goes wrong |
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$trigger = $this->getDataFromName($_POST['item_original_name']); |
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$createItem = $trigger['create']; |
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$dropItem = $trigger['drop'] . ';'; |
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$result = $this->dbi->tryQuery($dropItem); |
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if (! $result) { |
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$GLOBALS['errors'][] = sprintf( |
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__('The following query has failed: "%s"'), |
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htmlspecialchars($dropItem), |
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) |
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. '<br>' |
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. __('MySQL said: ') . $this->dbi->getError(); |
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} else { |
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$result = $this->dbi->tryQuery($itemQuery); |
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if (! $result) { |
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$GLOBALS['errors'][] = sprintf( |
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__('The following query has failed: "%s"'), |
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htmlspecialchars($itemQuery), |
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) |
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. '<br>' |
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. __('MySQL said: ') . $this->dbi->getError(); |
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// We dropped the old item, but were unable to create the |
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// new one. Try to restore the backup query. |
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$result = $this->dbi->tryQuery($createItem); |
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if (! $result) { |
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$GLOBALS['errors'] = $this->checkResult($createItem, $GLOBALS['errors']); |
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} |
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} else { |
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$GLOBALS['message'] = Message::success( |
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__('Trigger %1$s has been modified.'), |
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); |
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$GLOBALS['message']->addParam( |
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Util::backquote($_POST['item_name']), |
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); |
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$sqlQuery = $dropItem . $itemQuery; |
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} |
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} |
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} else { |
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// 'Add a new item' mode |
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$result = $this->dbi->tryQuery($itemQuery); |
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if (! $result) { |
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$GLOBALS['errors'][] = sprintf( |
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__('The following query has failed: "%s"'), |
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htmlspecialchars($itemQuery), |
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) |
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. '<br><br>' |
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. __('MySQL said: ') . $this->dbi->getError(); |
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} else { |
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$GLOBALS['message'] = Message::success( |
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__('Trigger %1$s has been created.'), |
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); |
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$GLOBALS['message']->addParam( |
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Util::backquote($_POST['item_name']), |
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); |
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$sqlQuery = $itemQuery; |
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} |
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} |
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} |
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if (count($GLOBALS['errors'])) { |
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$GLOBALS['message'] = Message::error( |
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'<b>' |
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. __( |
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'One or more errors have occurred while processing your request:', |
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) |
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. '</b>', |
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); |
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$GLOBALS['message']->addHtml('<ul>'); |
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foreach ($GLOBALS['errors'] as $string) { |
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$GLOBALS['message']->addHtml('<li>' . $string . '</li>'); |
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} |
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$GLOBALS['message']->addHtml('</ul>'); |
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} |
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$output = Generator::getMessage($GLOBALS['message'], $sqlQuery); |
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if ($this->response->isAjax()) { |
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if ($GLOBALS['message']->isSuccess()) { |
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$items = self::getDetails($this->dbi, $GLOBALS['db'], $GLOBALS['table'], ''); |
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$trigger = false; |
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foreach ($items as $value) { |
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if ($value['name'] != $_POST['item_name']) { |
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continue; |
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} |
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$trigger = $value; |
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} |
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$insert = false; |
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if (empty($GLOBALS['table']) || ($trigger !== false && $GLOBALS['table'] == $trigger['table'])) { |
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$insert = true; |
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$hasTriggerPrivilege = Util::currentUserHasPrivilege( |
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'TRIGGER', |
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$GLOBALS['db'], |
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$GLOBALS['table'], |
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); |
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$this->response->addJSON( |
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'new_row', |
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$this->template->render('triggers/row', [ |
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'db' => $GLOBALS['db'], |
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'table' => $GLOBALS['table'], |
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'trigger' => $trigger, |
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'has_drop_privilege' => $hasTriggerPrivilege, |
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'has_edit_privilege' => $hasTriggerPrivilege, |
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'row_class' => '', |
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]), |
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); |
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$this->response->addJSON( |
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'name', |
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htmlspecialchars( |
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mb_strtoupper( |
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$_POST['item_name'], |
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), |
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), |
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); |
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} |
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$this->response->addJSON('insert', $insert); |
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$this->response->addJSON('message', $output); |
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} else { |
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$this->response->addJSON('message', $GLOBALS['message']); |
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$this->response->setRequestStatus(false); |
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} |
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$this->response->addJSON('tableType', 'triggers'); |
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exit; |
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} |
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} |
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/** |
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* Display a form used to add/edit a trigger, if necessary |
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*/ |
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if ( |
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! count($GLOBALS['errors']) |
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&& (! empty($_POST['editor_process_add']) |
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|| ! empty($_POST['editor_process_edit']) |
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|| (empty($_REQUEST['add_item']) |
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&& empty($_REQUEST['edit_item']))) // FIXME: this must be simpler than that |
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) { |
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return; |
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} |
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$mode = ''; |
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$item = null; |
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$title = ''; |
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// Get the data for the form (if any) |
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if (! empty($_REQUEST['add_item'])) { |
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$title = __('Add trigger'); |
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$item = $this->getDataFromRequest(); |
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$mode = 'add'; |
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} elseif (! empty($_REQUEST['edit_item'])) { |
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$title = __('Edit trigger'); |
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if (! empty($_REQUEST['item_name']) && empty($_POST['editor_process_edit'])) { |
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$item = $this->getDataFromName($_REQUEST['item_name']); |
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if ($item !== null) { |
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$item['item_original_name'] = $item['item_name']; |
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} |
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} else { |
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$item = $this->getDataFromRequest(); |
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} |
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$mode = 'edit'; |
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} |
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$this->sendEditor($mode, $item, $title, $GLOBALS['db'], $GLOBALS['table']); |
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} |
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/** |
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* This function will generate the values that are required to for the editor |
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* |
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* @return mixed[] Data necessary to create the editor. |
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*/ |
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8 |
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public function getDataFromRequest(): array |
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{ |
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8 |
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$retval = []; |
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$indices = [ |
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'item_name', |
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'item_table', |
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'item_original_name', |
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'item_action_timing', |
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'item_event_manipulation', |
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'item_definition', |
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'item_definer', |
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]; |
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foreach ($indices as $index) { |
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$retval[$index] = $_POST[$index] ?? ''; |
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} |
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return $retval; |
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} |
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/** |
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* This function will generate the values that are required to complete |
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* the "Edit trigger" form given the name of a trigger. |
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* |
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* @param string $name The name of the trigger. |
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* |
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* @return mixed[]|null Data necessary to create the editor. |
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*/ |
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public function getDataFromName(string $name): array|null |
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{ |
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$temp = []; |
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$items = self::getDetails($this->dbi, $GLOBALS['db'], $GLOBALS['table'], ''); |
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foreach ($items as $value) { |
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if ($value['name'] != $name) { |
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continue; |
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} |
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275
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$temp = $value; |
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} |
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278
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if (empty($temp)) { |
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return null; |
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} |
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282
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$retval = []; |
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283
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$retval['create'] = $temp['create']; |
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284
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$retval['drop'] = $temp['drop']; |
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285
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$retval['item_name'] = $temp['name']; |
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286
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$retval['item_table'] = $temp['table']; |
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287
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$retval['item_action_timing'] = $temp['action_timing']; |
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288
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$retval['item_event_manipulation'] = $temp['event_manipulation']; |
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289
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$retval['item_definition'] = $temp['definition']; |
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290
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$retval['item_definer'] = $temp['definer']; |
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291
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292
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return $retval; |
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293
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} |
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294
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295
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/** |
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296
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* Displays a form used to add/edit a trigger |
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297
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* |
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298
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* @param string $mode If the editor will be used to edit a trigger or add a new one: 'edit' or 'add'. |
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299
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* @param mixed[] $item Data for the trigger returned by getDataFromRequest() or getDataFromName() |
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300
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*/ |
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301
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72 |
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public function getEditorForm(string $db, string $table, string $mode, array $item): string |
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302
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{ |
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303
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72 |
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$tables = $this->getTables($db); |
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304
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305
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72 |
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return $this->template->render('triggers/editor_form', [ |
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72 |
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'db' => $db, |
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307
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72 |
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'table' => $table, |
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308
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72 |
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'is_edit' => $mode === 'edit', |
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309
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72 |
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'item' => $item, |
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310
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72 |
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'tables' => $tables, |
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311
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72 |
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'time' => $this->time, |
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312
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72 |
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'events' => $this->event, |
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313
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72 |
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'is_ajax' => $this->response->isAjax(), |
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314
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72 |
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]); |
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315
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} |
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316
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317
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/** |
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318
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* Composes the query necessary to create a trigger from an HTTP request. |
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319
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* |
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320
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* @return string The CREATE TRIGGER query. |
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321
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*/ |
|
322
|
16 |
|
public function getQueryFromRequest(): string |
|
323
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{ |
|
324
|
16 |
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$GLOBALS['errors'] ??= null; |
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325
|
|
|
|
|
326
|
16 |
|
$query = 'CREATE '; |
|
327
|
16 |
|
if (! empty($_POST['item_definer'])) { |
|
328
|
12 |
|
if (str_contains($_POST['item_definer'], '@')) { |
|
329
|
8 |
|
$arr = explode('@', $_POST['item_definer']); |
|
330
|
8 |
|
$query .= 'DEFINER=' . Util::backquote($arr[0]); |
|
331
|
8 |
|
$query .= '@' . Util::backquote($arr[1]) . ' '; |
|
332
|
|
|
} else { |
|
333
|
4 |
|
$GLOBALS['errors'][] = __('The definer must be in the "username@hostname" format!'); |
|
334
|
|
|
} |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
16 |
|
$query .= 'TRIGGER '; |
|
338
|
16 |
|
if (! empty($_POST['item_name'])) { |
|
339
|
12 |
|
$query .= Util::backquote($_POST['item_name']) . ' '; |
|
340
|
|
|
} else { |
|
341
|
4 |
|
$GLOBALS['errors'][] = __('You must provide a trigger name!'); |
|
342
|
|
|
} |
|
343
|
|
|
|
|
344
|
16 |
|
if (! empty($_POST['item_timing']) && in_array($_POST['item_timing'], $this->time)) { |
|
345
|
12 |
|
$query .= $_POST['item_timing'] . ' '; |
|
346
|
|
|
} else { |
|
347
|
4 |
|
$GLOBALS['errors'][] = __('You must provide a valid timing for the trigger!'); |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
16 |
|
if (! empty($_POST['item_event']) && in_array($_POST['item_event'], $this->event)) { |
|
351
|
8 |
|
$query .= $_POST['item_event'] . ' '; |
|
352
|
|
|
} else { |
|
353
|
8 |
|
$GLOBALS['errors'][] = __('You must provide a valid event for the trigger!'); |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
16 |
|
$query .= 'ON '; |
|
357
|
16 |
|
if (! empty($_POST['item_table']) && in_array($_POST['item_table'], $this->dbi->getTables($GLOBALS['db']))) { |
|
358
|
4 |
|
$query .= Util::backquote($_POST['item_table']); |
|
359
|
|
|
} else { |
|
360
|
12 |
|
$GLOBALS['errors'][] = __('You must provide a valid table name!'); |
|
361
|
|
|
} |
|
362
|
|
|
|
|
363
|
16 |
|
$query .= ' FOR EACH ROW '; |
|
364
|
16 |
|
if (! empty($_POST['item_definition'])) { |
|
365
|
12 |
|
$query .= $_POST['item_definition']; |
|
366
|
|
|
} else { |
|
367
|
4 |
|
$GLOBALS['errors'][] = __('You must provide a trigger definition.'); |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
16 |
|
return $query; |
|
371
|
|
|
} |
|
372
|
|
|
|
|
373
|
|
|
/** |
|
374
|
|
|
* @param string $createStatement Query |
|
375
|
|
|
* @param mixed[] $errors Errors |
|
376
|
|
|
* |
|
377
|
|
|
* @return mixed[] |
|
378
|
|
|
*/ |
|
379
|
|
|
private function checkResult(string $createStatement, array $errors): array |
|
380
|
|
|
{ |
|
381
|
|
|
// OMG, this is really bad! We dropped the query, |
|
382
|
|
|
// failed to create a new one |
|
383
|
|
|
// and now even the backup query does not execute! |
|
384
|
|
|
// This should not happen, but we better handle |
|
385
|
|
|
// this just in case. |
|
386
|
|
|
$errors[] = __('Sorry, we failed to restore the dropped trigger.') . '<br>' |
|
387
|
|
|
. __('The backed up query was:') |
|
388
|
|
|
. '"' . htmlspecialchars($createStatement) . '"<br>' |
|
389
|
|
|
. __('MySQL said: ') . $this->dbi->getError(); |
|
390
|
|
|
|
|
391
|
|
|
return $errors; |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
/** |
|
395
|
|
|
* Send editor via ajax or by echoing. |
|
396
|
|
|
* |
|
397
|
|
|
* @param string $mode Editor mode 'add' or 'edit' |
|
398
|
|
|
* @param mixed[]|null $item Data necessary to create the editor |
|
399
|
|
|
* @param string $title Title of the editor |
|
400
|
|
|
* @param string $db Database |
|
401
|
|
|
* @param string $table Table |
|
402
|
|
|
*/ |
|
403
|
|
|
private function sendEditor(string $mode, array|null $item, string $title, string $db, string $table): void |
|
404
|
|
|
{ |
|
405
|
|
|
if ($item !== null) { |
|
|
|
|
|
|
406
|
|
|
$editor = $this->getEditorForm($db, $table, $mode, $item); |
|
407
|
|
|
if ($this->response->isAjax()) { |
|
408
|
|
|
$this->response->addJSON('message', $editor); |
|
409
|
|
|
$this->response->addJSON('title', $title); |
|
410
|
|
|
} else { |
|
411
|
|
|
echo "\n\n<h2>" . $title . "</h2>\n\n" . $editor; |
|
412
|
|
|
unset($_POST); |
|
413
|
|
|
} |
|
414
|
|
|
|
|
415
|
|
|
exit; |
|
|
|
|
|
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
$message = __('Error in processing request:') . ' '; |
|
419
|
|
|
$message .= sprintf( |
|
420
|
|
|
__('No trigger with name %1$s found in database %2$s.'), |
|
421
|
|
|
htmlspecialchars(Util::backquote($_REQUEST['item_name'])), |
|
422
|
|
|
htmlspecialchars(Util::backquote($db)), |
|
423
|
|
|
); |
|
424
|
|
|
$message = Message::error($message); |
|
425
|
|
|
if ($this->response->isAjax()) { |
|
426
|
|
|
$this->response->setRequestStatus(false); |
|
427
|
|
|
$this->response->addJSON('message', $message); |
|
428
|
|
|
exit; |
|
|
|
|
|
|
429
|
|
|
} |
|
430
|
|
|
|
|
431
|
|
|
echo $message->getDisplay(); |
|
432
|
|
|
} |
|
433
|
|
|
|
|
434
|
|
|
public function export(): void |
|
435
|
|
|
{ |
|
436
|
|
|
if (empty($_GET['export_item']) || empty($_GET['item_name'])) { |
|
437
|
|
|
return; |
|
438
|
|
|
} |
|
439
|
|
|
|
|
440
|
|
|
$itemName = $_GET['item_name']; |
|
441
|
|
|
$triggers = self::getDetails($this->dbi, $GLOBALS['db'], $GLOBALS['table'], ''); |
|
442
|
|
|
$exportData = false; |
|
443
|
|
|
|
|
444
|
|
|
foreach ($triggers as $trigger) { |
|
445
|
|
|
if ($trigger['name'] === $itemName) { |
|
446
|
|
|
$exportData = $trigger['create']; |
|
447
|
|
|
break; |
|
448
|
|
|
} |
|
449
|
|
|
} |
|
450
|
|
|
|
|
451
|
|
|
if ($exportData !== false) { |
|
452
|
|
|
$title = sprintf(__('Export of trigger %s'), htmlspecialchars(Util::backquote($itemName))); |
|
453
|
|
|
|
|
454
|
|
|
if ($this->response->isAjax()) { |
|
455
|
|
|
$this->response->addJSON('message', htmlspecialchars(trim($exportData))); |
|
456
|
|
|
$this->response->addJSON('title', $title); |
|
457
|
|
|
|
|
458
|
|
|
exit; |
|
|
|
|
|
|
459
|
|
|
} |
|
460
|
|
|
|
|
461
|
|
|
$this->response->addHTML($this->template->render('triggers/export', [ |
|
462
|
|
|
'data' => $exportData, |
|
463
|
|
|
'item_name' => $itemName, |
|
464
|
|
|
])); |
|
465
|
|
|
|
|
466
|
|
|
return; |
|
467
|
|
|
} |
|
468
|
|
|
|
|
469
|
|
|
$message = sprintf( |
|
470
|
|
|
__('Error in processing request: No trigger with name %1$s found in database %2$s.'), |
|
471
|
|
|
htmlspecialchars(Util::backquote($itemName)), |
|
472
|
|
|
htmlspecialchars(Util::backquote($GLOBALS['db'])), |
|
473
|
|
|
); |
|
474
|
|
|
$message = Message::error($message); |
|
475
|
|
|
|
|
476
|
|
|
if ($this->response->isAjax()) { |
|
477
|
|
|
$this->response->setRequestStatus(false); |
|
478
|
|
|
$this->response->addJSON('message', $message); |
|
479
|
|
|
|
|
480
|
|
|
exit; |
|
|
|
|
|
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
$this->response->addHTML($message->getDisplay()); |
|
484
|
|
|
} |
|
485
|
|
|
|
|
486
|
|
|
/** |
|
487
|
|
|
* Returns details about the TRIGGERs for a specific table or database. |
|
488
|
|
|
* |
|
489
|
|
|
* @param string $db db name |
|
490
|
|
|
* @param string $table table name |
|
491
|
|
|
* @param string $delimiter the delimiter to use (may be empty) |
|
492
|
|
|
* |
|
493
|
|
|
* @return mixed[] information about triggers (may be empty) |
|
494
|
|
|
*/ |
|
495
|
16 |
|
public static function getDetails( |
|
496
|
|
|
DatabaseInterface $dbi, |
|
497
|
|
|
string $db, |
|
498
|
|
|
string $table = '', |
|
499
|
|
|
string $delimiter = '//', |
|
500
|
|
|
): array { |
|
501
|
16 |
|
$result = []; |
|
502
|
16 |
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) { |
|
503
|
8 |
|
$query = QueryGenerator::getInformationSchemaTriggersRequest( |
|
504
|
8 |
|
$dbi->quoteString($db), |
|
505
|
8 |
|
$table === '' ? null : $dbi->quoteString($table), |
|
506
|
8 |
|
); |
|
507
|
|
|
} else { |
|
508
|
8 |
|
$query = 'SHOW TRIGGERS FROM ' . Util::backquote($db); |
|
509
|
8 |
|
if ($table !== '') { |
|
510
|
4 |
|
$query .= ' LIKE ' . $dbi->quoteString($table) . ';'; |
|
511
|
|
|
} |
|
512
|
|
|
} |
|
513
|
|
|
|
|
514
|
|
|
/** @var mixed[][] $triggers */ |
|
515
|
16 |
|
$triggers = $dbi->fetchResult($query); |
|
516
|
|
|
|
|
517
|
16 |
|
foreach ($triggers as $trigger) { |
|
518
|
16 |
|
$newTrigger = Trigger::tryFromArray($trigger); |
|
519
|
16 |
|
if ($newTrigger === null) { |
|
520
|
|
|
continue; |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
16 |
|
$oneResult = []; |
|
524
|
16 |
|
$oneResult['name'] = $newTrigger->name; |
|
525
|
16 |
|
$oneResult['table'] = $newTrigger->table; |
|
526
|
16 |
|
$oneResult['action_timing'] = $newTrigger->timing; |
|
527
|
16 |
|
$oneResult['event_manipulation'] = $newTrigger->event; |
|
528
|
16 |
|
$oneResult['definition'] = $newTrigger->statement; |
|
529
|
16 |
|
$oneResult['definer'] = $newTrigger->definer; |
|
530
|
|
|
|
|
531
|
|
|
// do not prepend the schema name; this way, importing the |
|
532
|
|
|
// definition into another schema will work |
|
533
|
16 |
|
$oneResult['full_trigger_name'] = Util::backquote($newTrigger->name); |
|
534
|
16 |
|
$oneResult['drop'] = 'DROP TRIGGER IF EXISTS ' . $oneResult['full_trigger_name']; |
|
535
|
16 |
|
$oneResult['create'] = sprintf( |
|
536
|
16 |
|
"CREATE TRIGGER %s %s %s ON %s\n FOR EACH ROW %s\n%s\n", |
|
537
|
16 |
|
$oneResult['full_trigger_name'], |
|
538
|
16 |
|
$newTrigger->timing, |
|
539
|
16 |
|
$newTrigger->event, |
|
540
|
16 |
|
Util::backquote($newTrigger->table), |
|
541
|
16 |
|
$newTrigger->statement, |
|
542
|
16 |
|
$delimiter, |
|
543
|
16 |
|
); |
|
544
|
|
|
|
|
545
|
16 |
|
$result[] = $oneResult; |
|
546
|
|
|
} |
|
547
|
|
|
|
|
548
|
|
|
// Sort results by name |
|
549
|
16 |
|
$name = array_column($result, 'name'); |
|
550
|
16 |
|
array_multisort($name, SORT_ASC, $result); |
|
|
|
|
|
|
551
|
|
|
|
|
552
|
16 |
|
return $result; |
|
553
|
|
|
} |
|
554
|
|
|
|
|
555
|
|
|
/** @return list<non-empty-string> */ |
|
|
|
|
|
|
556
|
72 |
|
private function getTables(string $db): array |
|
557
|
|
|
{ |
|
558
|
72 |
|
$query = sprintf( |
|
559
|
72 |
|
'SELECT `TABLE_NAME` FROM `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=%s' |
|
560
|
72 |
|
. " AND `TABLE_TYPE` IN ('BASE TABLE', 'SYSTEM VERSIONED')", |
|
561
|
72 |
|
$this->dbi->quoteString($db), |
|
562
|
72 |
|
); |
|
563
|
72 |
|
$tables = $this->dbi->fetchResult($query); |
|
564
|
72 |
|
Assert::allStringNotEmpty($tables); |
|
565
|
72 |
|
Assert::isList($tables); |
|
566
|
|
|
|
|
567
|
72 |
|
return $tables; |
|
568
|
|
|
} |
|
569
|
|
|
} |
|
570
|
|
|
|
phpmyadmin /
phpmyadmin
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths