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<?php
/**
* CSV import plugin for phpMyAdmin using LOAD DATA
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Import;
use PhpMyAdmin\File;
use PhpMyAdmin\Message;
use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
use PhpMyAdmin\Properties\Options\Items\TextPropertyItem;
use PhpMyAdmin\Util;
use const PHP_EOL;
use function count;
use function is_array;
use function preg_split;
use function strlen;
use function trim;
// phpcs:disable PSR1.Files.SideEffects
// We need relations enabled and we work only on database
if (! isset($GLOBALS['plugin_param']) || $GLOBALS['plugin_param'] !== 'table') {
$GLOBALS['skip_import'] = true;
return;
}
// phpcs:enable
/**
* Handles the import for the CSV format using load data
*/
class ImportLdi extends AbstractImportCsv
{
public function __construct()
{
parent::__construct();
$this->setProperties();
}
/**
* Sets the import plugin properties.
* Called in the constructor.
*
* @return void
*/
protected function setProperties()
{
global $dbi;
if ($GLOBALS['cfg']['Import']['ldi_local_option'] === 'auto') {
$GLOBALS['cfg']['Import']['ldi_local_option'] = false;
$result = $dbi->tryQuery(
'SELECT @@local_infile;'
);
if ($result != false && $dbi->numRows($result) > 0) {
$tmp = $dbi->fetchRow($result);
if ($tmp[0] === 'ON') {
$GLOBALS['cfg']['Import']['ldi_local_option'] = true;
}
}
$dbi->freeResult($result);
unset($result);
}
$generalOptions = parent::setProperties();
$this->properties->setText('CSV using LOAD DATA');
$this->properties->setExtension('ldi');
$leaf = new TextPropertyItem(
'columns',
__('Column names: ')
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
'ignore',
__('Do not abort on INSERT error')
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
'local_option',
__('Use LOCAL keyword')
);
$generalOptions->addProperty($leaf);
}
/**
* Handles the whole import logic
*
* @param array $sql_data 2-element array with sql data
*
* @return void
*/
public function doImport(?File $importHandle = null, array &$sql_data = [])
{
global $finished, $import_file, $charset_conversion, $table, $dbi;
global $ldi_local_option, $ldi_replace, $ldi_ignore, $ldi_terminated,
$ldi_enclosed, $ldi_escaped, $ldi_new_line, $skip_queries, $ldi_columns;
$compression = '';
if ($importHandle !== null) {
$compression = $importHandle->getCompression();
}
if ($import_file === 'none'
|| $compression !== 'none'
|| $charset_conversion
) {
// We handle only some kind of data!
$GLOBALS['message'] = Message::error(
__('This plugin does not support compressed imports!')
);
$GLOBALS['error'] = true;
return;
}
$sql = 'LOAD DATA';
if (isset($ldi_local_option)) {
$sql .= ' LOCAL';
}
$sql .= ' INFILE \'' . $dbi->escapeString($import_file)
. '\'';
if (isset($ldi_replace)) {
$sql .= ' REPLACE';
} elseif (isset($ldi_ignore)) {
$sql .= ' IGNORE';
}
$sql .= ' INTO TABLE ' . Util::backquote($table);
if (strlen((string) $ldi_terminated) > 0) {
$sql .= ' FIELDS TERMINATED BY \'' . $ldi_terminated . '\'';
}
if (strlen((string) $ldi_enclosed) > 0) {
$sql .= ' ENCLOSED BY \''
. $dbi->escapeString($ldi_enclosed) . '\'';
}
if (strlen((string) $ldi_escaped) > 0) {
$sql .= ' ESCAPED BY \''
. $dbi->escapeString($ldi_escaped) . '\'';
}
if (strlen((string) $ldi_new_line) > 0) {
if ($ldi_new_line === 'auto') {
$ldi_new_line
= PHP_EOL == "\n"
? '\n'
: '\r\n';
}
$sql .= ' LINES TERMINATED BY \'' . $ldi_new_line . '\'';
}
if ($skip_queries > 0) {
$sql .= ' IGNORE ' . $skip_queries . ' LINES';
$skip_queries = 0;
}
if (strlen((string) $ldi_columns) > 0) {
$sql .= ' (';
$tmp = preg_split('/,( ?)/', $ldi_columns);
if (! is_array($tmp)) {
$tmp = [];
}
$cnt_tmp = count($tmp);
for ($i = 0; $i < $cnt_tmp; $i++) {
if ($i > 0) {
$sql .= ', ';
}
/* Trim also `, if user already included backquoted fields */
$sql .= Util::backquote(
trim($tmp[$i], " \t\r\n\0\x0B`")
);
}
$sql .= ')';
}
$this->import->runQuery($sql, $sql, $sql_data);
$this->import->runQuery('', '', $sql_data);
$finished = true;
}
}