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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* handles creation of VIEWs
*
* @todo js error when view name is empty (strFormEmpty)
* @todo (also validate if js is disabled, after form submission?)
* @package PhpMyAdmin
*/
use PhpMyAdmin\Core;
use PhpMyAdmin\Response;
use PhpMyAdmin\Template;
require_once './libraries/common.inc.php';
/**
* Runs common work
*/
require './libraries/db_common.inc.php';
$url_params['goto'] = 'tbl_structure.php';
$url_params['back'] = 'view_create.php';
$response = Response::getInstance();
$view_algorithm_options = array(
'UNDEFINED',
'MERGE',
'TEMPTABLE',
);
$view_with_options = array(
'CASCADED',
'LOCAL'
);
$view_security_options = array(
'DEFINER',
'INVOKER'
);
// View name is a compulsory field
if (isset($_POST['view']['name'])
&& empty($_POST['view']['name'])
) {
$message = PhpMyAdmin\Message::error(__('View name can not be empty!'));
$response->addJSON(
'message',
$message
);
$response->setRequestStatus(false);
exit;
}
if (isset($_POST['createview']) || isset($_POST['alterview'])) {
/**
* Creates the view
*/
$sep = "\r\n";
if (isset($_POST['createview'])) {
$sql_query = 'CREATE';
if (isset($_POST['view']['or_replace'])) {
$sql_query .= ' OR REPLACE';
}
} else {
$sql_query = 'ALTER';
}
if (Core::isValid($_POST['view']['algorithm'], $view_algorithm_options)) {
$sql_query .= $sep . ' ALGORITHM = ' . $_POST['view']['algorithm'];
}
if (! empty($_POST['view']['definer'])) {
if (strpos($_POST['view']['definer'], '@') === false) {
$sql_query .= $sep . 'DEFINER='
. PhpMyAdmin\Util::backquote($_POST['view']['definer']);
} else {
$arr = explode('@', $_POST['view']['definer']);
$sql_query .= $sep . 'DEFINER=' . PhpMyAdmin\Util::backquote($arr[0]);
$sql_query .= '@' . PhpMyAdmin\Util::backquote($arr[1]) . ' ';
}
}
if (isset($_POST['view']['sql_security'])) {
if (in_array($_POST['view']['sql_security'], $view_security_options)) {
$sql_query .= $sep . ' SQL SECURITY '
. $_POST['view']['sql_security'];
}
}
$sql_query .= $sep . ' VIEW '
. PhpMyAdmin\Util::backquote($_POST['view']['name']);
if (! empty($_POST['view']['column_names'])) {
$sql_query .= $sep . ' (' . $_POST['view']['column_names'] . ')';
}
$sql_query .= $sep . ' AS ' . $_POST['view']['as'];
if (isset($_POST['view']['with'])) {
if (in_array($_POST['view']['with'], $view_with_options)) {
$sql_query .= $sep . ' WITH ' . $_POST['view']['with']
. ' CHECK OPTION';
}
}
if (!$GLOBALS['dbi']->tryQuery($sql_query)) {
if (! isset($_POST['ajax_dialog'])) {
$message = PhpMyAdmin\Message::rawError($GLOBALS['dbi']->getError());
return;
}
$response->addJSON(
'message',
PhpMyAdmin\Message::error(
"<i>" . htmlspecialchars($sql_query) . "</i><br /><br />"
. $GLOBALS['dbi']->getError()
)
);
$response->setRequestStatus(false);
exit;
}
// If different column names defined for VIEW
$view_columns = array();
if (isset($_POST['view']['column_names'])) {
$view_columns = explode(',', $_POST['view']['column_names']);
}
$column_map = $GLOBALS['dbi']->getColumnMapFromSql(
$_POST['view']['as'], $view_columns
);
$systemDb = $GLOBALS['dbi']->getSystemDatabase();
$pma_transformation_data = $systemDb->getExistingTransformationData(
$GLOBALS['db']
);
if ($pma_transformation_data !== false) {
// SQL for store new transformation details of VIEW
$new_transformations_sql = $systemDb->getNewTransformationDataSql(
$pma_transformation_data, $column_map,
$_POST['view']['name'], $GLOBALS['db']
);
// Store new transformations
if ($new_transformations_sql != '') {
$GLOBALS['dbi']->tryQuery($new_transformations_sql);
}
}
unset($pma_transformation_data);
if (! isset($_POST['ajax_dialog'])) {
$message = PhpMyAdmin\Message::success();
include 'tbl_structure.php';
} else {
$response->addJSON(
'message',
PhpMyAdmin\Util::getMessage(
PhpMyAdmin\Message::success(),
$sql_query
)
);
$response->setRequestStatus(true);
}
exit;
}
$sql_query = ! empty($_POST['sql_query']) ? $_POST['sql_query'] : '';
// prefill values if not already filled from former submission
$view = array(
'operation' => 'create',
'or_replace' => '',
'algorithm' => '',
'definer' => '',
'sql_security' => '',
'name' => '',
'column_names' => '',
'as' => $sql_query,
'with' => '',
'algorithm' => '',
);
// Used to prefill the fields when editing a view
if (isset($_GET['db']) && isset($_GET['table'])) {
$item = $GLOBALS['dbi']->fetchSingleRow(
sprintf(
"SELECT `VIEW_DEFINITION`, `CHECK_OPTION`, `DEFINER`,
`SECURITY_TYPE`
FROM `INFORMATION_SCHEMA`.`VIEWS`
WHERE TABLE_SCHEMA='%s'
AND TABLE_NAME='%s';",
$GLOBALS['dbi']->escapeString($_GET['db']),
$GLOBALS['dbi']->escapeString($_GET['table'])
)
);
$createView = $GLOBALS['dbi']->getTable($_GET['db'], $_GET['table'])
->showCreate();
// CREATE ALGORITHM=<ALGORITHM> DE...
$parts = explode(" ", substr($createView, 17));
$item['ALGORITHM'] = $parts[0];
$view['operation'] = 'alter';
$view['definer'] = $item['DEFINER'];
$view['sql_security'] = $item['SECURITY_TYPE'];
$view['name'] = $_GET['table'];
$view['as'] = $item['VIEW_DEFINITION'];
$view['with'] = $item['CHECK_OPTION'];
$view['algorithm'] = $item['ALGORITHM'];
}
if (Core::isValid($_POST['view'], 'array')) {
$view = array_merge($view, $_POST['view']);
}
$url_params['db'] = $GLOBALS['db'];
$url_params['reload'] = 1;
echo Template::get('view_create')->render([
'ajax_dialog' => isset($_POST['ajax_dialog']),
'text_dir' => $text_dir,
'url_params' => $url_params,
'view' => $view,
'view_algorithm_options' => $view_algorithm_options,
'view_with_options' => $view_with_options,
'view_security_options' => $view_security_options,
]);