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554 lines
17 KiB
554 lines
17 KiB
2 years ago
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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Plugins\Export;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\Plugins\ExportPlugin;
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use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
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use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
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use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
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use PhpMyAdmin\Properties\Options\Items\HiddenPropertyItem;
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use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
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use PhpMyAdmin\Util;
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use PhpMyAdmin\Version;
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use function __;
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use function count;
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use function htmlspecialchars;
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use function is_array;
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use function mb_substr;
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use function rtrim;
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use function str_replace;
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use function stripslashes;
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use function strlen;
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use const PHP_VERSION;
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/**
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* Used to build XML dumps of tables
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*/
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class ExportXml extends ExportPlugin
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{
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/**
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* Table name
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*
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* @var string
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*/
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private $table;
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/**
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* Table names
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*
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* @var array
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*/
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private $tables = [];
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/**
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* @psalm-return non-empty-lowercase-string
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*/
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public function getName(): string
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{
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return 'xml';
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}
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/**
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* Initialize the local variables that are used for export XML
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*/
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private function initSpecificVariables(): void
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{
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global $table, $tables;
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$this->setTable($table);
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if (! is_array($tables)) {
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return;
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}
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$this->setTables($tables);
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}
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protected function setProperties(): ExportPluginProperties
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{
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// create the export plugin property item
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$exportPluginProperties = new ExportPluginProperties();
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$exportPluginProperties->setText('XML');
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$exportPluginProperties->setExtension('xml');
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$exportPluginProperties->setMimeType('text/xml');
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$exportPluginProperties->setOptionsText(__('Options'));
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// create the root group that will be the options field for
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// $exportPluginProperties
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// this will be shown as "Format specific options"
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$exportSpecificOptions = new OptionsPropertyRootGroup('Format Specific Options');
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// general options main group
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$generalOptions = new OptionsPropertyMainGroup('general_opts');
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// create primary items and add them to the group
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$leaf = new HiddenPropertyItem('structure_or_data');
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$generalOptions->addProperty($leaf);
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// add the main group to the root group
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$exportSpecificOptions->addProperty($generalOptions);
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// export structure main group
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$structure = new OptionsPropertyMainGroup(
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'structure',
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__('Object creation options (all are recommended)')
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);
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// create primary items and add them to the group
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$leaf = new BoolPropertyItem(
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'export_events',
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__('Events')
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);
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$structure->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'export_functions',
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__('Functions')
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);
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$structure->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'export_procedures',
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__('Procedures')
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);
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$structure->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'export_tables',
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__('Tables')
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);
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$structure->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'export_triggers',
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__('Triggers')
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);
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$structure->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'export_views',
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__('Views')
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);
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$structure->addProperty($leaf);
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$exportSpecificOptions->addProperty($structure);
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// data main group
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$data = new OptionsPropertyMainGroup(
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'data',
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__('Data dump options')
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);
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// create primary items and add them to the group
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$leaf = new BoolPropertyItem(
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'export_contents',
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__('Export contents')
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);
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$data->addProperty($leaf);
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$exportSpecificOptions->addProperty($data);
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// set the options for the export plugin property item
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$exportPluginProperties->setOptions($exportSpecificOptions);
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return $exportPluginProperties;
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}
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/**
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* Generates output for SQL defintions of routines
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*
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* @param string $db Database name
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* @param string $type Item type to be used in XML output
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* @param string $dbitype Item type used in DBI queries
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*
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* @return string XML with definitions
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*/
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private function exportRoutinesDefinition($db, $type, $dbitype)
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{
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global $dbi;
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// Export routines
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$routines = $dbi->getProceduresOrFunctions($db, $dbitype);
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return $this->exportDefinitions($db, $type, $dbitype, $routines);
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}
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/**
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* Generates output for SQL defintions
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*
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* @param string $db Database name
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* @param string $type Item type to be used in XML output
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* @param string $dbitype Item type used in DBI queries
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* @param array $names Names of items to export
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*
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* @return string XML with definitions
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*/
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private function exportDefinitions($db, $type, $dbitype, array $names)
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{
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global $crlf, $dbi;
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$head = '';
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if ($names) {
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foreach ($names as $name) {
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$head .= ' <pma:' . $type . ' name="'
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. htmlspecialchars($name) . '">' . $crlf;
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// Do some formatting
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$sql = $dbi->getDefinition($db, $dbitype, $name);
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$sql = htmlspecialchars(rtrim($sql));
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$sql = str_replace("\n", "\n ", $sql);
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$head .= ' ' . $sql . $crlf;
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$head .= ' </pma:' . $type . '>' . $crlf;
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}
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}
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return $head;
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}
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/**
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* Outputs export header. It is the first method to be called, so all
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* the required variables are initialized here.
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*/
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public function exportHeader(): bool
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{
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$this->initSpecificVariables();
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global $crlf, $cfg, $db, $dbi;
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$table = $this->getTable();
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$tables = $this->getTables();
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$export_struct = isset($GLOBALS['xml_export_functions'])
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|| isset($GLOBALS['xml_export_procedures'])
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|| isset($GLOBALS['xml_export_tables'])
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|| isset($GLOBALS['xml_export_triggers'])
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|| isset($GLOBALS['xml_export_views']);
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$export_data = isset($GLOBALS['xml_export_contents']);
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if ($GLOBALS['output_charset_conversion']) {
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$charset = $GLOBALS['charset'];
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} else {
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$charset = 'utf-8';
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}
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$head = '<?xml version="1.0" encoding="' . $charset . '"?>' . $crlf
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. '<!--' . $crlf
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. '- phpMyAdmin XML Dump' . $crlf
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. '- version ' . Version::VERSION . $crlf
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. '- https://www.phpmyadmin.net' . $crlf
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. '-' . $crlf
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. '- ' . __('Host:') . ' ' . htmlspecialchars($cfg['Server']['host']);
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if (! empty($cfg['Server']['port'])) {
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$head .= ':' . $cfg['Server']['port'];
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}
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$head .= $crlf
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. '- ' . __('Generation Time:') . ' '
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. Util::localisedDate() . $crlf
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. '- ' . __('Server version:') . ' ' . $dbi->getVersionString() . $crlf
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. '- ' . __('PHP Version:') . ' ' . PHP_VERSION . $crlf
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. '-->' . $crlf . $crlf;
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$head .= '<pma_xml_export version="1.0"'
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. ($export_struct
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? ' xmlns:pma="https://www.phpmyadmin.net/some_doc_url/"'
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: '')
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. '>' . $crlf;
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if ($export_struct) {
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$result = $dbi->fetchResult(
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'SELECT `DEFAULT_CHARACTER_SET_NAME`, `DEFAULT_COLLATION_NAME`'
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. ' FROM `information_schema`.`SCHEMATA` WHERE `SCHEMA_NAME`'
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. ' = \'' . $dbi->escapeString($db) . '\' LIMIT 1'
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);
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$db_collation = $result[0]['DEFAULT_COLLATION_NAME'];
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$db_charset = $result[0]['DEFAULT_CHARACTER_SET_NAME'];
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$head .= ' <!--' . $crlf;
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$head .= ' - Structure schemas' . $crlf;
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$head .= ' -->' . $crlf;
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$head .= ' <pma:structure_schemas>' . $crlf;
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$head .= ' <pma:database name="' . htmlspecialchars($db)
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. '" collation="' . htmlspecialchars($db_collation) . '" charset="' . htmlspecialchars($db_charset)
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. '">' . $crlf;
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if (count($tables) === 0) {
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$tables[] = $table;
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}
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foreach ($tables as $table) {
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// Export tables and views
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$result = $dbi->fetchResult(
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'SHOW CREATE TABLE ' . Util::backquote($db) . '.'
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. Util::backquote($table),
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0
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);
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$tbl = (string) $result[$table][1];
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$is_view = $dbi->getTable($db, $table)
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->isView();
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if ($is_view) {
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$type = 'view';
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} else {
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$type = 'table';
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}
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if ($is_view && ! isset($GLOBALS['xml_export_views'])) {
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continue;
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}
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if (! $is_view && ! isset($GLOBALS['xml_export_tables'])) {
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continue;
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}
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$head .= ' <pma:' . $type . ' name="' . htmlspecialchars($table) . '">'
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. $crlf;
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$tbl = ' ' . htmlspecialchars($tbl);
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$tbl = str_replace("\n", "\n ", $tbl);
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$head .= $tbl . ';' . $crlf;
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$head .= ' </pma:' . $type . '>' . $crlf;
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if (! isset($GLOBALS['xml_export_triggers']) || ! $GLOBALS['xml_export_triggers']) {
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continue;
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}
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// Export triggers
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$triggers = $dbi->getTriggers($db, $table);
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if (! $triggers) {
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continue;
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}
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foreach ($triggers as $trigger) {
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$code = $trigger['create'];
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$head .= ' <pma:trigger name="'
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. htmlspecialchars($trigger['name']) . '">' . $crlf;
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// Do some formatting
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$code = mb_substr(rtrim($code), 0, -3);
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$code = ' ' . htmlspecialchars($code);
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$code = str_replace("\n", "\n ", $code);
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$head .= $code . $crlf;
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$head .= ' </pma:trigger>' . $crlf;
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}
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unset($trigger, $triggers);
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}
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if (isset($GLOBALS['xml_export_functions']) && $GLOBALS['xml_export_functions']) {
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$head .= $this->exportRoutinesDefinition($db, 'function', 'FUNCTION');
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}
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if (isset($GLOBALS['xml_export_procedures']) && $GLOBALS['xml_export_procedures']) {
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$head .= $this->exportRoutinesDefinition($db, 'procedure', 'PROCEDURE');
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}
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if (isset($GLOBALS['xml_export_events']) && $GLOBALS['xml_export_events']) {
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// Export events
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$events = $dbi->fetchResult(
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'SELECT EVENT_NAME FROM information_schema.EVENTS '
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. "WHERE EVENT_SCHEMA='" . $dbi->escapeString($db)
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. "'"
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);
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$head .= $this->exportDefinitions($db, 'event', 'EVENT', $events);
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}
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unset($result);
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$head .= ' </pma:database>' . $crlf;
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$head .= ' </pma:structure_schemas>' . $crlf;
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if ($export_data) {
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$head .= $crlf;
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}
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}
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return $this->export->outputHandler($head);
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}
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/**
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* Outputs export footer
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*/
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public function exportFooter(): bool
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{
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$foot = '</pma_xml_export>';
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return $this->export->outputHandler($foot);
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}
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/**
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* Outputs database header
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*
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* @param string $db Database name
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* @param string $dbAlias Aliases of db
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*/
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public function exportDBHeader($db, $dbAlias = ''): bool
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{
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global $crlf;
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if (empty($dbAlias)) {
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$dbAlias = $db;
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}
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if (isset($GLOBALS['xml_export_contents']) && $GLOBALS['xml_export_contents']) {
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$head = ' <!--' . $crlf
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. ' - ' . __('Database:') . ' \''
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. htmlspecialchars($dbAlias) . '\'' . $crlf
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|
|
. ' -->' . $crlf . ' <database name="'
|
||
|
|
. htmlspecialchars($dbAlias) . '">' . $crlf;
|
||
|
|
|
||
|
|
return $this->export->outputHandler($head);
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Outputs database footer
|
||
|
|
*
|
||
|
|
* @param string $db Database name
|
||
|
|
*/
|
||
|
|
public function exportDBFooter($db): bool
|
||
|
|
{
|
||
|
|
global $crlf;
|
||
|
|
|
||
|
|
if (isset($GLOBALS['xml_export_contents']) && $GLOBALS['xml_export_contents']) {
|
||
|
|
return $this->export->outputHandler(' </database>' . $crlf);
|
||
|
|
}
|
||
|
|
|
||
|
|
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 XML 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 $dbi;
|
||
|
|
|
||
|
|
// Do not export data for merge tables
|
||
|
|
if ($dbi->getTable($db, $table)->isMerge()) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$db_alias = $db;
|
||
|
|
$table_alias = $table;
|
||
|
|
$this->initAlias($aliases, $db_alias, $table_alias);
|
||
|
|
if (isset($GLOBALS['xml_export_contents']) && $GLOBALS['xml_export_contents']) {
|
||
|
|
$result = $dbi->query($sqlQuery, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_UNBUFFERED);
|
||
|
|
|
||
|
|
$columns_cnt = $result->numFields();
|
||
|
|
$columns = [];
|
||
|
|
foreach ($result->getFieldNames() as $column) {
|
||
|
|
$columns[] = stripslashes($column);
|
||
|
|
}
|
||
|
|
|
||
|
|
$buffer = ' <!-- ' . __('Table') . ' '
|
||
|
|
. htmlspecialchars($table_alias) . ' -->' . $crlf;
|
||
|
|
if (! $this->export->outputHandler($buffer)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
while ($record = $result->fetchRow()) {
|
||
|
|
$buffer = ' <table name="'
|
||
|
|
. htmlspecialchars($table_alias) . '">' . $crlf;
|
||
|
|
for ($i = 0; $i < $columns_cnt; $i++) {
|
||
|
|
$col_as = $columns[$i];
|
||
|
|
if (! empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
|
||
|
|
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
|
||
|
|
}
|
||
|
|
|
||
|
|
// If a cell is NULL, still export it to preserve
|
||
|
|
// the XML structure
|
||
|
|
if (! isset($record[$i])) {
|
||
|
|
$record[$i] = 'NULL';
|
||
|
|
}
|
||
|
|
|
||
|
|
$buffer .= ' <column name="'
|
||
|
|
. htmlspecialchars($col_as) . '">'
|
||
|
|
. htmlspecialchars((string) $record[$i])
|
||
|
|
. '</column>' . $crlf;
|
||
|
|
}
|
||
|
|
|
||
|
|
$buffer .= ' </table>' . $crlf;
|
||
|
|
|
||
|
|
if (! $this->export->outputHandler($buffer)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the table name
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getTable()
|
||
|
|
{
|
||
|
|
return $this->table;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the table name
|
||
|
|
*
|
||
|
|
* @param string $table table name
|
||
|
|
*/
|
||
|
|
private function setTable($table): void
|
||
|
|
{
|
||
|
|
$this->table = $table;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the table names
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function getTables()
|
||
|
|
{
|
||
|
|
return $this->tables;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the table names
|
||
|
|
*
|
||
|
|
* @param array $tables table names
|
||
|
|
*/
|
||
|
|
private function setTables(array $tables): void
|
||
|
|
{
|
||
|
|
$this->tables = $tables;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function isAvailable(): bool
|
||
|
|
{
|
||
|
|
global $db;
|
||
|
|
|
||
|
|
// Can't do server export.
|
||
|
|
return isset($db) && strlen($db) > 0;
|
||
|
|
}
|
||
|
|
}
|