Viewing file:  ExportXml.php (17.78 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used to build XML dumps of tables
*
* @package PhpMyAdmin-Export
* @subpackage XML
*/
namespace PhpMyAdmin\Plugins\Export;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Export;
use PhpMyAdmin\Plugins\ExportPlugin;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
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\Util;
if (strlen($GLOBALS['db']) === 0) { /* Can't do server export */
$GLOBALS['skip_import'] = true;
return;
}
/**
* Handles the export for the XML class
*
* @package PhpMyAdmin-Export
* @subpackage XML
*/
class ExportXml extends ExportPlugin
{
/**
* Table name
*
* @var string
*/
private $_table;
/**
* Table names
*
* @var array
*/
private $_tables;
/**
* Constructor
*/
public function __construct()
{
$this->setProperties();
}
/**
* Initialize the local variables that are used for export XML
*
* @return void
*/
protected function initSpecificVariables()
{
global $table, $tables;
$this->_setTable($table);
if (is_array($tables)) {
$this->_setTables($tables);
}
}
/**
* Sets the export XML properties
*
* @return void
*/
protected function setProperties()
{
// create the export plugin property item
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('XML');
$exportPluginProperties->setExtension('xml');
$exportPluginProperties->setMimeType('text/xml');
$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);
// export structure main group
$structure = new OptionsPropertyMainGroup(
"structure", __('Object creation options (all are recommended)')
);
// create primary items and add them to the group
$leaf = new BoolPropertyItem(
"export_events",
__('Events')
);
$structure->addProperty($leaf);
$leaf = new BoolPropertyItem(
"export_functions",
__('Functions')
);
$structure->addProperty($leaf);
$leaf = new BoolPropertyItem(
"export_procedures",
__('Procedures')
);
$structure->addProperty($leaf);
$leaf = new BoolPropertyItem(
"export_tables",
__('Tables')
);
$structure->addProperty($leaf);
$leaf = new BoolPropertyItem(
"export_triggers",
__('Triggers')
);
$structure->addProperty($leaf);
$leaf = new BoolPropertyItem(
"export_views",
__('Views')
);
$structure->addProperty($leaf);
$exportSpecificOptions->addProperty($structure);
// data main group
$data = new OptionsPropertyMainGroup(
"data", __('Data dump options')
);
// create primary items and add them to the group
$leaf = new BoolPropertyItem(
"export_contents",
__('Export contents')
);
$data->addProperty($leaf);
$exportSpecificOptions->addProperty($data);
// set the options for the export plugin property item
$exportPluginProperties->setOptions($exportSpecificOptions);
$this->properties = $exportPluginProperties;
}
/**
* Generates output for SQL defintions of routines
*
* @param string $db Database name
* @param string $type Item type to be used in XML output
* @param string $dbitype Item type used in DBI qieries
*
* @return string XML with definitions
*/
private function _exportRoutines($db, $type, $dbitype)
{
// Export routines
$routines = $GLOBALS['dbi']->getProceduresOrFunctions(
$db,
$dbitype
);
return $this->_exportDefinitions($db, $type, $dbitype, $routines);
}
/**
* Generates output for SQL defintions
*
* @param string $db Database name
* @param string $type Item type to be used in XML output
* @param string $dbitype Item type used in DBI qieries
* @param array $names Names of items to export
*
* @return string XML with definitions
*/
private function _exportDefinitions($db, $type, $dbitype, array $names)
{
global $crlf;
$head = '';
if ($names) {
foreach ($names as $name) {
$head .= ' <pma:' . $type . ' name="'
. htmlspecialchars($name) . '">' . $crlf;
// Do some formatting
$sql = $GLOBALS['dbi']->getDefinition($db, $dbitype, $name);
$sql = htmlspecialchars(rtrim($sql));
$sql = str_replace("\n", "\n ", $sql);
$head .= " " . $sql . $crlf;
$head .= ' </pma:' . $type . '>' . $crlf;
}
}
return $head;
}
/**
* Outputs export header. It is the first method to be called, so all
* the required variables are initialized here.
*
* @return bool Whether it succeeded
*/
public function exportHeader()
{
$this->initSpecificVariables();
global $crlf, $cfg, $db;
$table = $this->_getTable();
$tables = $this->_getTables();
$export_struct = isset($GLOBALS['xml_export_functions'])
|| isset($GLOBALS['xml_export_procedures'])
|| isset($GLOBALS['xml_export_tables'])
|| isset($GLOBALS['xml_export_triggers'])
|| isset($GLOBALS['xml_export_views']);
$export_data = isset($GLOBALS['xml_export_contents']) ? true : false;
if ($GLOBALS['output_charset_conversion']) {
$charset = $GLOBALS['charset'];
} else {
$charset = 'utf-8';
}
$head = '<?xml version="1.0" encoding="' . $charset . '"?>' . $crlf
. '<!--' . $crlf
. '- phpMyAdmin XML Dump' . $crlf
. '- version ' . PMA_VERSION . $crlf
. '- https://www.phpmyadmin.net' . $crlf
. '-' . $crlf
. '- ' . __('Host:') . ' ' . htmlspecialchars($cfg['Server']['host']);
if (!empty($cfg['Server']['port'])) {
$head .= ':' . $cfg['Server']['port'];
}
$head .= $crlf
. '- ' . __('Generation Time:') . ' '
. Util::localisedDate() . $crlf
. '- ' . __('Server version:') . ' ' . $GLOBALS['dbi']->getVersionString() . $crlf
. '- ' . __('PHP Version:') . ' ' . phpversion() . $crlf
. '-->' . $crlf . $crlf;
$head .= '<pma_xml_export version="1.0"'
. (($export_struct)
? ' xmlns:pma="https://www.phpmyadmin.net/some_doc_url/"'
: '')
. '>' . $crlf;
if ($export_struct) {
$result = $GLOBALS['dbi']->fetchResult(
'SELECT `DEFAULT_CHARACTER_SET_NAME`, `DEFAULT_COLLATION_NAME`'
. ' FROM `information_schema`.`SCHEMATA` WHERE `SCHEMA_NAME`'
. ' = \'' . $GLOBALS['dbi']->escapeString($db) . '\' LIMIT 1'
);
$db_collation = $result[0]['DEFAULT_COLLATION_NAME'];
$db_charset = $result[0]['DEFAULT_CHARACTER_SET_NAME'];
$head .= ' <!--' . $crlf;
$head .= ' - Structure schemas' . $crlf;
$head .= ' -->' . $crlf;
$head .= ' <pma:structure_schemas>' . $crlf;
$head .= ' <pma:database name="' . htmlspecialchars($db)
. '" collation="' . htmlspecialchars($db_collation) . '" charset="' . htmlspecialchars($db_charset)
. '">' . $crlf;
if (is_null($tables)) {
$tables = array();
}
if (count($tables) === 0) {
$tables[] = $table;
}
foreach ($tables as $table) {
// Export tables and views
$result = $GLOBALS['dbi']->fetchResult(
'SHOW CREATE TABLE ' . Util::backquote($db) . '.'
. Util::backquote($table),
0
);
$tbl = $result[$table][1];
$is_view = $GLOBALS['dbi']->getTable($db, $table)
->isView();
if ($is_view) {
$type = 'view';
} else {
$type = 'table';
}
if ($is_view && !isset($GLOBALS['xml_export_views'])) {
continue;
}
if (!$is_view && !isset($GLOBALS['xml_export_tables'])) {
continue;
}
$head .= ' <pma:' . $type . ' name="' . htmlspecialchars($table) . '">'
. $crlf;
$tbl = " " . htmlspecialchars($tbl);
$tbl = str_replace("\n", "\n ", $tbl);
$head .= $tbl . ';' . $crlf;
$head .= ' </pma:' . $type . '>' . $crlf;
if (isset($GLOBALS['xml_export_triggers'])
&& $GLOBALS['xml_export_triggers']
) {
// Export triggers
$triggers = $GLOBALS['dbi']->getTriggers($db, $table);
if ($triggers) {
foreach ($triggers as $trigger) {
$code = $trigger['create'];
$head .= ' <pma:trigger name="'
. htmlspecialchars($trigger['name']) . '">' . $crlf;
// Do some formatting
$code = mb_substr(rtrim($code), 0, -3);
$code = " " . htmlspecialchars($code);
$code = str_replace("\n", "\n ", $code);
$head .= $code . $crlf;
$head .= ' </pma:trigger>' . $crlf;
}
unset($trigger);
unset($triggers);
}
}
}
if (isset($GLOBALS['xml_export_functions'])
&& $GLOBALS['xml_export_functions']
) {
$head .= $this->_exportRoutines($db, 'function', 'FUNCTION');
}
if (isset($GLOBALS['xml_export_procedures'])
&& $GLOBALS['xml_export_procedures']
) {
$head .= $this->_exportRoutines($db, 'procedure', 'PROCEDURE');
}
if (isset($GLOBALS['xml_export_events'])
&& $GLOBALS['xml_export_events']
) {
// Export events
$events = $GLOBALS['dbi']->fetchResult(
"SELECT EVENT_NAME FROM information_schema.EVENTS "
. "WHERE EVENT_SCHEMA='" . $GLOBALS['dbi']->escapeString($db)
. "'"
);
$head .= $this->_exportDefinitions(
$db, 'event', 'EVENT', $events
);
}
unset($result);
$head .= ' </pma:database>' . $crlf;
$head .= ' </pma:structure_schemas>' . $crlf;
if ($export_data) {
$head .= $crlf;
}
}
return Export::outputHandler($head);
}
/**
* Outputs export footer
*
* @return bool Whether it succeeded
*/
public function exportFooter()
{
$foot = '</pma_xml_export>';
return Export::outputHandler($foot);
}
/**
* 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 = '')
{
global $crlf;
if (empty($db_alias)) {
$db_alias = $db;
}
if (isset($GLOBALS['xml_export_contents'])
&& $GLOBALS['xml_export_contents']
) {
$head = ' <!--' . $crlf
. ' - ' . __('Database:') . ' ' . '\''
. htmlspecialchars($db_alias) . '\'' . $crlf
. ' -->' . $crlf . ' <database name="'
. htmlspecialchars($db_alias) . '">' . $crlf;
return Export::outputHandler($head);
}
return true;
}
/**
* Outputs database footer
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function exportDBFooter($db)
{
global $crlf;
if (isset($GLOBALS['xml_export_contents'])
&& $GLOBALS['xml_export_contents']
) {
return Export::outputHandler(' </database>' . $crlf);
}
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 XML 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 $aliases = array()
) {
// Do not export data for merge tables
if ($GLOBALS['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 = $GLOBALS['dbi']->query(
$sql_query,
DatabaseInterface::CONNECT_USER,
DatabaseInterface::QUERY_UNBUFFERED
);
$columns_cnt = $GLOBALS['dbi']->numFields($result);
$columns = array();
for ($i = 0; $i < $columns_cnt; $i++) {
$columns[$i] = stripslashes($GLOBALS['dbi']->fieldName($result, $i));
}
unset($i);
$buffer = ' <!-- ' . __('Table') . ' '
. htmlspecialchars($table_alias) . ' -->' . $crlf;
if (!Export::outputHandler($buffer)) {
return false;
}
while ($record = $GLOBALS['dbi']->fetchRow($result)) {
$buffer = ' <table name="'
. htmlspecialchars($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]) || is_null($record[$i])) {
$record[$i] = 'NULL';
}
$buffer .= ' <column name="'
. htmlspecialchars($col_as) . '">'
. htmlspecialchars((string)$record[$i])
. '</column>' . $crlf;
}
$buffer .= ' </table>' . $crlf;
if (!Export::outputHandler($buffer)) {
return false;
}
}
$GLOBALS['dbi']->freeResult($result);
}
return true;
}
/* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
/**
* Gets the table name
*
* @return string
*/
private function _getTable()
{
return $this->_table;
}
/**
* Sets the table name
*
* @param string $table table name
*
* @return void
*/
private function _setTable($table)
{
$this->_table = $table;
}
/**
* Gets the table names
*
* @return array
*/
private function _getTables()
{
return $this->_tables;
}
/**
* Sets the table names
*
* @param array $tables table names
*
* @return void
*/
private function _setTables(array $tables)
{
$this->_tables = $tables;
}
}
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