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Alexander Schwarz
2022-11-21 09:47:28 +01:00
commit 76cec83d26
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pma/libraries/classes/Plugins/Export/ExportYaml.php Normal file
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<?php
/**
* Set of functions used to build YAML dumps of tables
*/
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\HiddenPropertyItem;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
use function is_numeric;
use function str_replace;
use function stripslashes;
use function strpos;
/**
* Handles the export for the YAML format
*/
class ExportYaml extends ExportPlugin
{
public function __construct()
{
parent::__construct();
$this->setProperties();
}
/**
* Sets the export YAML properties
*
* @return void
*/
protected function setProperties()
{
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('YAML');
$exportPluginProperties->setExtension('yml');
$exportPluginProperties->setMimeType('text/yaml');
$exportPluginProperties->setForceFile(true);
$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 primary items and add them to the group
$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);
$this->properties = $exportPluginProperties;
}
/**
* Outputs export header
*
* @return bool Whether it succeeded
*/
public function exportHeader()
{
$this->export->outputHandler(
'%YAML 1.1' . $GLOBALS['crlf'] . '---' . $GLOBALS['crlf']
);
return true;
}
/**
* Outputs export footer
*
* @return bool Whether it succeeded
*/
public function exportFooter()
{
$this->export->outputHandler('...' . $GLOBALS['crlf']);
return true;
}
/**
* Outputs database header
*
* @param string $db Database name
* @param string $db_alias Aliases of db
*
* @return bool Whether it succeeded
*/
public function exportDBHeader($db, $db_alias = '')
{
return true;
}
/**
* Outputs database footer
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function exportDBFooter($db)
{
return true;
}
/**
* Outputs CREATE DATABASE statement
*
* @param string $db Database name
* @param string $export_type 'server', 'database', 'table'
* @param string $db_alias Aliases of db
*
* @return bool Whether it succeeded
*/
public function exportDBCreate($db, $export_type, $db_alias = '')
{
return true;
}
/**
* Outputs the content of a table in JSON format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param string $sql_query SQL query for obtaining data
* @param array $aliases Aliases of db/table/columns
*
* @return bool Whether it succeeded
*/
public function exportData(
$db,
$table,
$crlf,
$error_url,
$sql_query,
array $aliases = []
) {
global $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
$result = $dbi->query(
$sql_query,
DatabaseInterface::CONNECT_USER,
DatabaseInterface::QUERY_UNBUFFERED
);
$columns_cnt = $dbi->numFields($result);
$fieldsMeta = $dbi->getFieldsMeta($result);
$columns = [];
for ($i = 0; $i < $columns_cnt; $i++) {
$col_as = $dbi->fieldName($result, $i);
if (! empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
}
$columns[$i] = stripslashes($col_as);
}
$buffer = '';
$record_cnt = 0;
while ($record = $dbi->fetchRow($result)) {
$record_cnt++;
// Output table name as comment if this is the first record of the table
if ($record_cnt == 1) {
$buffer = '# ' . $db_alias . '.' . $table_alias . $crlf;
$buffer .= '-' . $crlf;
} else {
$buffer = '-' . $crlf;
}
for ($i = 0; $i < $columns_cnt; $i++) {
if (! isset($record[$i])) {
continue;
}
if ($record[$i] === null) {
$buffer .= ' ' . $columns[$i] . ': null' . $crlf;
continue;
}
if (is_numeric($record[$i]) && strpos($fieldsMeta[$i]->type, 'string') === false) {
$buffer .= ' ' . $columns[$i] . ': ' . $record[$i] . $crlf;
continue;
}
$record[$i] = str_replace(
[
'\\',
'"',
"\n",
"\r",
],
[
'\\\\',
'\"',
'\n',
'\r',
],
$record[$i]
);
$buffer .= ' ' . $columns[$i] . ': "' . $record[$i] . '"' . $crlf;
}
if (! $this->export->outputHandler($buffer)) {
return false;
}
}
$dbi->freeResult($result);
return true;
}
/**
* Outputs result raw query in YAML format
*
* @param string $err_url the url to go back in case of error
* @param string $sql_query the rawquery to output
* @param string $crlf the end of line sequence
*
* @return bool if succeeded
*/
public function exportRawQuery(string $err_url, string $sql_query, string $crlf): bool
{
return $this->exportData('', '', $crlf, $err_url, $sql_query);
}
}