File "ExportCsv.php"
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MIME-type: text/x-php
Charset: utf-8
<?php
/**
* CSV export code
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Export;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Plugins\ExportPlugin;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
use PhpMyAdmin\Properties\Options\Items\HiddenPropertyItem;
use PhpMyAdmin\Properties\Options\Items\TextPropertyItem;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
use function __;
use function mb_strtolower;
use function mb_substr;
use function preg_replace;
use function str_replace;
use function stripslashes;
use function trim;
/**
* Handles the export for the CSV format
*/
class ExportCsv extends ExportPlugin
{
/**
* @psalm-return non-empty-lowercase-string
*/
public function getName(): string
{
return 'csv';
}
protected function setProperties(): ExportPluginProperties
{
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('CSV');
$exportPluginProperties->setExtension('csv');
$exportPluginProperties->setMimeType('text/comma-separated-values');
$exportPluginProperties->setOptionsText(__('Options'));
// create the root group that will be the options field for
// $exportPluginProperties
// this will be shown as "Format specific options"
$exportSpecificOptions = new OptionsPropertyRootGroup('Format Specific Options');
// general options main group
$generalOptions = new OptionsPropertyMainGroup('general_opts');
// create leaf items and add them to the group
$leaf = new TextPropertyItem(
'separator',
__('Columns separated with:')
);
$generalOptions->addProperty($leaf);
$leaf = new TextPropertyItem(
'enclosed',
__('Columns enclosed with:')
);
$generalOptions->addProperty($leaf);
$leaf = new TextPropertyItem(
'escaped',
__('Columns escaped with:')
);
$generalOptions->addProperty($leaf);
$leaf = new TextPropertyItem(
'terminated',
__('Lines terminated with:')
);
$generalOptions->addProperty($leaf);
$leaf = new TextPropertyItem(
'null',
__('Replace NULL with:')
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
'removeCRLF',
__('Remove carriage return/line feed characters within columns')
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
'columns',
__('Put columns names in the first row')
);
$generalOptions->addProperty($leaf);
$leaf = new HiddenPropertyItem('structure_or_data');
$generalOptions->addProperty($leaf);
// add the main group to the root group
$exportSpecificOptions->addProperty($generalOptions);
// set the options for the export plugin property item
$exportPluginProperties->setOptions($exportSpecificOptions);
return $exportPluginProperties;
}
/**
* Outputs export header
*/
public function exportHeader(): bool
{
global $what, $csv_terminated, $csv_separator, $csv_enclosed, $csv_escaped;
// Here we just prepare some values for export
if ($what === 'excel') {
$csv_terminated = "\015\012";
switch ($GLOBALS['excel_edition']) {
case 'win':
// as tested on Windows with Excel 2002 and Excel 2007
$csv_separator = ';';
break;
case 'mac_excel2003':
$csv_separator = ';';
break;
case 'mac_excel2008':
$csv_separator = ',';
break;
}
$csv_enclosed = '"';
$csv_escaped = '"';
if (isset($GLOBALS['excel_columns'])) {
$GLOBALS['csv_columns'] = true;
}
} else {
if (empty($csv_terminated) || mb_strtolower($csv_terminated) === 'auto') {
$csv_terminated = $GLOBALS['crlf'];
} else {
$csv_terminated = str_replace(
[
'\\r',
'\\n',
'\\t',
],
[
"\015",
"\012",
"\011",
],
$csv_terminated
);
}
$csv_separator = str_replace('\\t', "\011", $csv_separator);
}
return true;
}
/**
* Outputs export footer
*/
public function exportFooter(): bool
{
return true;
}
/**
* Outputs database header
*
* @param string $db Database name
* @param string $dbAlias Alias of db
*/
public function exportDBHeader($db, $dbAlias = ''): bool
{
return true;
}
/**
* Outputs database footer
*
* @param string $db Database name
*/
public function exportDBFooter($db): bool
{
return true;
}
/**
* Outputs CREATE DATABASE statement
*
* @param string $db Database name
* @param string $exportType 'server', 'database', 'table'
* @param string $dbAlias Aliases of db
*/
public function exportDBCreate($db, $exportType, $dbAlias = ''): bool
{
return true;
}
/**
* Outputs the content of a table in CSV format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $errorUrl the url to go back in case of error
* @param string $sqlQuery SQL query for obtaining data
* @param array $aliases Aliases of db/table/columns
*/
public function exportData(
$db,
$table,
$crlf,
$errorUrl,
$sqlQuery,
array $aliases = []
): bool {
global $what, $csv_terminated, $csv_separator, $csv_enclosed, $csv_escaped, $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
// Gets the data from the database
$result = $dbi->query($sqlQuery, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_UNBUFFERED);
$fields_cnt = $result->numFields();
// If required, get fields name at the first line
if (isset($GLOBALS['csv_columns']) && $GLOBALS['csv_columns']) {
$schema_insert = '';
foreach ($result->getFieldNames() as $col_as) {
if (! empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
}
$col_as = stripslashes($col_as);
if ($csv_enclosed == '') {
$schema_insert .= $col_as;
} else {
$schema_insert .= $csv_enclosed
. str_replace($csv_enclosed, $csv_escaped . $csv_enclosed, $col_as)
. $csv_enclosed;
}
$schema_insert .= $csv_separator;
}
$schema_insert = trim(mb_substr($schema_insert, 0, -1));
if (! $this->export->outputHandler($schema_insert . $csv_terminated)) {
return false;
}
}
// Format the data
while ($row = $result->fetchRow()) {
$schema_insert = '';
for ($j = 0; $j < $fields_cnt; $j++) {
if (! isset($row[$j])) {
$schema_insert .= $GLOBALS[$what . '_null'];
} elseif ($row[$j] == '0' || $row[$j] != '') {
// always enclose fields
if ($what === 'excel') {
$row[$j] = preg_replace("/\015(\012)?/", "\012", $row[$j]);
}
// remove CRLF characters within field
if (isset($GLOBALS[$what . '_removeCRLF']) && $GLOBALS[$what . '_removeCRLF']) {
$row[$j] = str_replace(
[
"\r",
"\n",
],
'',
$row[$j]
);
}
if ($csv_enclosed == '') {
$schema_insert .= $row[$j];
} else {
// also double the escape string if found in the data
if ($csv_escaped != $csv_enclosed) {
$schema_insert .= $csv_enclosed
. str_replace(
$csv_enclosed,
$csv_escaped . $csv_enclosed,
str_replace(
$csv_escaped,
$csv_escaped . $csv_escaped,
$row[$j]
)
)
. $csv_enclosed;
} else {
// avoid a problem when escape string equals enclose
$schema_insert .= $csv_enclosed
. str_replace($csv_enclosed, $csv_escaped . $csv_enclosed, $row[$j])
. $csv_enclosed;
}
}
} else {
$schema_insert .= '';
}
if ($j >= $fields_cnt - 1) {
continue;
}
$schema_insert .= $csv_separator;
}
if (! $this->export->outputHandler($schema_insert . $csv_terminated)) {
return false;
}
}
return true;
}
/**
* Outputs result of raw query in CSV format
*
* @param string $errorUrl the url to go back in case of error
* @param string|null $db the database where the query is executed
* @param string $sqlQuery the rawquery to output
* @param string $crlf the end of line sequence
*/
public function exportRawQuery(string $errorUrl, ?string $db, string $sqlQuery, string $crlf): bool
{
global $dbi;
if ($db !== null) {
$dbi->selectDb($db);
}
return $this->exportData($db ?? '', '', $crlf, $errorUrl, $sqlQuery);
}
}