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1341 lines
46 KiB
1341 lines
46 KiB
2 years ago
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<?php
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/**
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* function for the main export logic
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\Controllers\Database\ExportController as DatabaseExportController;
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use PhpMyAdmin\Controllers\Server\ExportController as ServerExportController;
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use PhpMyAdmin\Controllers\Table\ExportController as TableExportController;
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use PhpMyAdmin\Plugins\ExportPlugin;
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use PhpMyAdmin\Plugins\SchemaPlugin;
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use function __;
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use function array_merge_recursive;
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use function error_get_last;
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use function fclose;
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use function file_exists;
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use function fopen;
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use function function_exists;
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use function fwrite;
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use function gzencode;
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use function header;
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use function htmlentities;
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use function htmlspecialchars;
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use function implode;
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use function in_array;
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use function ini_get;
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use function is_array;
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use function is_file;
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use function is_numeric;
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use function is_string;
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use function is_writable;
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use function mb_strlen;
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use function mb_strpos;
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use function mb_strtolower;
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use function mb_substr;
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use function ob_list_handlers;
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use function preg_match;
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use function preg_replace;
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use function strlen;
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use function strtolower;
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use function substr;
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use function time;
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use function trim;
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use function urlencode;
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/**
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* PhpMyAdmin\Export class
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*/
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class Export
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{
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/** @var DatabaseInterface */
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private $dbi;
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/** @var mixed */
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public $dumpBuffer = '';
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/** @var int */
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public $dumpBufferLength = 0;
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/** @var array */
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public $dumpBufferObjects = [];
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/**
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* @param DatabaseInterface $dbi DatabaseInterface instance
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*/
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public function __construct($dbi)
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{
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$this->dbi = $dbi;
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}
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/**
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* Sets a session variable upon a possible fatal error during export
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*/
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public function shutdown(): void
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{
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$error = error_get_last();
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if ($error == null || ! mb_strpos($error['message'], 'execution time')) {
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return;
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}
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//set session variable to check if there was error while exporting
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$_SESSION['pma_export_error'] = $error['message'];
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}
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/**
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* Detect ob_gzhandler
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*/
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public function isGzHandlerEnabled(): bool
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{
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/** @var string[] $handlers */
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$handlers = ob_list_handlers();
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return in_array('ob_gzhandler', $handlers);
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}
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/**
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* Detect whether gzencode is needed; it might not be needed if
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* the server is already compressing by itself
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*/
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public function gzencodeNeeded(): bool
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{
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/*
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* We should gzencode only if the function exists
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* but we don't want to compress twice, therefore
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* gzencode only if transparent compression is not enabled
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* and gz compression was not asked via $cfg['OBGzip']
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* but transparent compression does not apply when saving to server
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*/
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return function_exists('gzencode')
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&& ((! ini_get('zlib.output_compression')
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&& ! $this->isGzHandlerEnabled())
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|| $GLOBALS['save_on_server']
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|| $GLOBALS['config']->get('PMA_USR_BROWSER_AGENT') === 'CHROME');
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}
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/**
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* Output handler for all exports, if needed buffering, it stores data into
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* $this->dumpBuffer, otherwise it prints them out.
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*
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* @param string $line the insert statement
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*/
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public function outputHandler(?string $line): bool
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{
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global $time_start, $save_filename;
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// Kanji encoding convert feature
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if ($GLOBALS['output_kanji_conversion']) {
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$line = Encoding::kanjiStrConv($line, $GLOBALS['knjenc'], $GLOBALS['xkana'] ?? '');
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}
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// If we have to buffer data, we will perform everything at once at the end
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if ($GLOBALS['buffer_needed']) {
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$this->dumpBuffer .= $line;
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if ($GLOBALS['onfly_compression']) {
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$this->dumpBufferLength += strlen((string) $line);
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if ($this->dumpBufferLength > $GLOBALS['memory_limit']) {
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if ($GLOBALS['output_charset_conversion']) {
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$this->dumpBuffer = Encoding::convertString('utf-8', $GLOBALS['charset'], $this->dumpBuffer);
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}
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if ($GLOBALS['compression'] === 'gzip' && $this->gzencodeNeeded()) {
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// as a gzipped file
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// without the optional parameter level because it bugs
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$this->dumpBuffer = gzencode($this->dumpBuffer);
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}
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if ($GLOBALS['save_on_server']) {
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$writeResult = @fwrite($GLOBALS['file_handle'], (string) $this->dumpBuffer);
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// Here, use strlen rather than mb_strlen to get the length
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// in bytes to compare against the number of bytes written.
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if ($writeResult != strlen((string) $this->dumpBuffer)) {
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$GLOBALS['message'] = Message::error(
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__('Insufficient space to save the file %s.')
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);
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$GLOBALS['message']->addParam($save_filename);
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return false;
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}
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} else {
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echo $this->dumpBuffer;
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}
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$this->dumpBuffer = '';
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$this->dumpBufferLength = 0;
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}
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} else {
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$timeNow = time();
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if ($time_start >= $timeNow + 30) {
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$time_start = $timeNow;
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header('X-pmaPing: Pong');
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}
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}
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} elseif ($GLOBALS['asfile']) {
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if ($GLOBALS['output_charset_conversion']) {
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$line = Encoding::convertString('utf-8', $GLOBALS['charset'], $line);
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}
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if ($GLOBALS['save_on_server'] && mb_strlen((string) $line) > 0) {
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if ($GLOBALS['file_handle'] !== null) {
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$writeResult = @fwrite($GLOBALS['file_handle'], (string) $line);
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} else {
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$writeResult = false;
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}
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// Here, use strlen rather than mb_strlen to get the length
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// in bytes to compare against the number of bytes written.
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if (! $writeResult || $writeResult != strlen((string) $line)) {
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$GLOBALS['message'] = Message::error(
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__('Insufficient space to save the file %s.')
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);
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$GLOBALS['message']->addParam($save_filename);
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return false;
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}
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$timeNow = time();
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if ($time_start >= $timeNow + 30) {
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$time_start = $timeNow;
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header('X-pmaPing: Pong');
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}
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} else {
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// We export as file - output normally
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echo $line;
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}
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} else {
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// We export as html - replace special chars
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echo htmlspecialchars((string) $line);
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}
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return true;
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}
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/**
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* Returns HTML containing the footer for a displayed export
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*
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* @param string $backButton the link for going Back
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* @param string $refreshButton the link for refreshing page
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*
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* @return string the HTML output
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*/
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public function getHtmlForDisplayedExportFooter(
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string $backButton,
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string $refreshButton
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): string {
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/**
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* Close the html tags and add the footers for on-screen export
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*/
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return '</textarea>'
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. ' </form>'
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. '<br>'
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// bottom back button
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. $backButton
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. $refreshButton
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. '</div>'
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. '<script type="text/javascript">' . "\n"
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. '//<![CDATA[' . "\n"
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. 'var $body = $("body");' . "\n"
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. '$("#textSQLDUMP")' . "\n"
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. '.width($body.width() - 50)' . "\n"
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. '.height($body.height() - 100);' . "\n"
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. '//]]>' . "\n"
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. '</script>' . "\n";
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}
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/**
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* Computes the memory limit for export
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*
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* @return int the memory limit
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*/
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public function getMemoryLimit(): int
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{
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$memoryLimit = trim((string) ini_get('memory_limit'));
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$memoryLimitNumber = (int) substr($memoryLimit, 0, -1);
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$lowerLastChar = strtolower(substr($memoryLimit, -1));
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// 2 MB as default
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if (empty($memoryLimit) || $memoryLimit == '-1') {
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$memoryLimit = 2 * 1024 * 1024;
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} elseif ($lowerLastChar === 'm') {
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$memoryLimit = $memoryLimitNumber * 1024 * 1024;
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} elseif ($lowerLastChar === 'k') {
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$memoryLimit = $memoryLimitNumber * 1024;
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} elseif ($lowerLastChar === 'g') {
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$memoryLimit = $memoryLimitNumber * 1024 * 1024 * 1024;
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} else {
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$memoryLimit = (int) $memoryLimit;
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}
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// Some of memory is needed for other things and as threshold.
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// During export I had allocated (see memory_get_usage function)
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// approx 1.2MB so this comes from that.
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if ($memoryLimit > 1500000) {
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$memoryLimit -= 1500000;
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}
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// Some memory is needed for compression, assume 1/3
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$memoryLimit /= 8;
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return $memoryLimit;
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}
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/**
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* Returns the filename and MIME type for a compression and an export plugin
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*
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* @param ExportPlugin $exportPlugin the export plugin
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* @param string $compression compression asked
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* @param string $filename the filename
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*
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* @return string[] the filename and mime type
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*/
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public function getFinalFilenameAndMimetypeForFilename(
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ExportPlugin $exportPlugin,
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string $compression,
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string $filename
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): array {
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// Grab basic dump extension and mime type
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// Check if the user already added extension;
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// get the substring where the extension would be if it was included
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$requiredExtension = '.' . $exportPlugin->getProperties()->getExtension();
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$extensionLength = mb_strlen($requiredExtension);
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$userExtension = mb_substr($filename, -$extensionLength);
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if (mb_strtolower($userExtension) != $requiredExtension) {
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$filename .= $requiredExtension;
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}
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$mediaType = $exportPlugin->getProperties()->getMimeType();
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// If dump is going to be compressed, set correct mime_type and add
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// compression to extension
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if ($compression === 'gzip') {
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$filename .= '.gz';
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$mediaType = 'application/x-gzip';
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} elseif ($compression === 'zip') {
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$filename .= '.zip';
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$mediaType = 'application/zip';
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}
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return [
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$filename,
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$mediaType,
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];
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}
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/**
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||
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* Return the filename and MIME type for export file
|
||
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*
|
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* @param string $exportType type of export
|
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* @param string $rememberTemplate whether to remember template
|
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* @param ExportPlugin $exportPlugin the export plugin
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* @param string $compression compression asked
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||
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* @param string $filenameTemplate the filename template
|
||
|
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*
|
||
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* @return string[] the filename template and mime type
|
||
|
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*/
|
||
|
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public function getFilenameAndMimetype(
|
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|
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string $exportType,
|
||
|
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string $rememberTemplate,
|
||
|
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ExportPlugin $exportPlugin,
|
||
|
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string $compression,
|
||
|
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string $filenameTemplate
|
||
|
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): array {
|
||
|
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if ($exportType === 'server') {
|
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|
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if (! empty($rememberTemplate)) {
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$GLOBALS['config']->setUserValue(
|
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'pma_server_filename_template',
|
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|
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'Export/file_template_server',
|
||
|
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$filenameTemplate
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|
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);
|
||
|
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}
|
||
|
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} elseif ($exportType === 'database') {
|
||
|
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if (! empty($rememberTemplate)) {
|
||
|
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$GLOBALS['config']->setUserValue(
|
||
|
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'pma_db_filename_template',
|
||
|
|
'Export/file_template_database',
|
||
|
|
$filenameTemplate
|
||
|
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);
|
||
|
|
}
|
||
|
|
} elseif ($exportType === 'raw') {
|
||
|
|
if (! empty($rememberTemplate)) {
|
||
|
|
$GLOBALS['config']->setUserValue(
|
||
|
|
'pma_raw_filename_template',
|
||
|
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'Export/file_template_raw',
|
||
|
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$filenameTemplate
|
||
|
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);
|
||
|
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}
|
||
|
|
} else {
|
||
|
|
if (! empty($rememberTemplate)) {
|
||
|
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$GLOBALS['config']->setUserValue(
|
||
|
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'pma_table_filename_template',
|
||
|
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'Export/file_template_table',
|
||
|
|
$filenameTemplate
|
||
|
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);
|
||
|
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}
|
||
|
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}
|
||
|
|
|
||
|
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$filename = Util::expandUserString($filenameTemplate);
|
||
|
|
// remove dots in filename (coming from either the template or already
|
||
|
|
// part of the filename) to avoid a remote code execution vulnerability
|
||
|
|
$filename = Sanitize::sanitizeFilename($filename, true);
|
||
|
|
|
||
|
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return $this->getFinalFilenameAndMimetypeForFilename($exportPlugin, $compression, $filename);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Open the export file
|
||
|
|
*
|
||
|
|
* @param string $filename the export filename
|
||
|
|
* @param bool $quickExport whether it's a quick export or not
|
||
|
|
*
|
||
|
|
* @return array the full save filename, possible message and the file handle
|
||
|
|
*/
|
||
|
|
public function openFile(string $filename, bool $quickExport): array
|
||
|
|
{
|
||
|
|
$fileHandle = null;
|
||
|
|
$message = '';
|
||
|
|
$doNotSaveItOver = true;
|
||
|
|
|
||
|
|
if (isset($_POST['quick_export_onserver_overwrite'])) {
|
||
|
|
$doNotSaveItOver = $_POST['quick_export_onserver_overwrite'] !== 'saveitover';
|
||
|
|
}
|
||
|
|
|
||
|
|
$saveFilename = Util::userDir((string) ($GLOBALS['cfg']['SaveDir'] ?? ''))
|
||
|
|
. preg_replace('@[/\\\\]@', '_', $filename);
|
||
|
|
|
||
|
|
if (
|
||
|
|
@file_exists($saveFilename)
|
||
|
|
&& ((! $quickExport && empty($_POST['onserver_overwrite']))
|
||
|
|
|| ($quickExport
|
||
|
|
&& $doNotSaveItOver))
|
||
|
|
) {
|
||
|
|
$message = Message::error(
|
||
|
|
__(
|
||
|
|
'File %s already exists on server, change filename or check overwrite option.'
|
||
|
|
)
|
||
|
|
);
|
||
|
|
$message->addParam($saveFilename);
|
||
|
|
} elseif (@is_file($saveFilename) && ! @is_writable($saveFilename)) {
|
||
|
|
$message = Message::error(
|
||
|
|
__(
|
||
|
|
'The web server does not have permission to save the file %s.'
|
||
|
|
)
|
||
|
|
);
|
||
|
|
$message->addParam($saveFilename);
|
||
|
|
} else {
|
||
|
|
$fileHandle = @fopen($saveFilename, 'w');
|
||
|
|
|
||
|
|
if ($fileHandle === false) {
|
||
|
|
$message = Message::error(
|
||
|
|
__(
|
||
|
|
'The web server does not have permission to save the file %s.'
|
||
|
|
)
|
||
|
|
);
|
||
|
|
$message->addParam($saveFilename);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
$saveFilename,
|
||
|
|
$message,
|
||
|
|
$fileHandle,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close the export file
|
||
|
|
*
|
||
|
|
* @param resource $fileHandle the export file handle
|
||
|
|
* @param string $dumpBuffer the current dump buffer
|
||
|
|
* @param string $saveFilename the export filename
|
||
|
|
*
|
||
|
|
* @return Message a message object (or empty string)
|
||
|
|
*/
|
||
|
|
public function closeFile(
|
||
|
|
$fileHandle,
|
||
|
|
string $dumpBuffer,
|
||
|
|
string $saveFilename
|
||
|
|
): Message {
|
||
|
|
$writeResult = @fwrite($fileHandle, $dumpBuffer);
|
||
|
|
fclose($fileHandle);
|
||
|
|
// Here, use strlen rather than mb_strlen to get the length
|
||
|
|
// in bytes to compare against the number of bytes written.
|
||
|
|
if (strlen($dumpBuffer) > 0 && (! $writeResult || $writeResult != strlen($dumpBuffer))) {
|
||
|
|
$message = new Message(
|
||
|
|
__('Insufficient space to save the file %s.'),
|
||
|
|
Message::ERROR,
|
||
|
|
[$saveFilename]
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
$message = new Message(
|
||
|
|
__('Dump has been saved to file %s.'),
|
||
|
|
Message::SUCCESS,
|
||
|
|
[$saveFilename]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $message;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compress the export buffer
|
||
|
|
*
|
||
|
|
* @param array|string $dumpBuffer the current dump buffer
|
||
|
|
* @param string $compression the compression mode
|
||
|
|
* @param string $filename the filename
|
||
|
|
*
|
||
|
|
* @return array|string|bool
|
||
|
|
*/
|
||
|
|
public function compress($dumpBuffer, string $compression, string $filename)
|
||
|
|
{
|
||
|
|
if ($compression === 'zip' && function_exists('gzcompress')) {
|
||
|
|
$zipExtension = new ZipExtension();
|
||
|
|
$filename = substr($filename, 0, -4); // remove extension (.zip)
|
||
|
|
$dumpBuffer = $zipExtension->createFile($dumpBuffer, $filename);
|
||
|
|
} elseif ($compression === 'gzip' && $this->gzencodeNeeded() && is_string($dumpBuffer)) {
|
||
|
|
// without the optional parameter level because it bugs
|
||
|
|
$dumpBuffer = gzencode($dumpBuffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $dumpBuffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Saves the dump buffer for a particular table in an array
|
||
|
|
* Used in separate files export
|
||
|
|
*
|
||
|
|
* @param string $objectName the name of current object to be stored
|
||
|
|
* @param bool $append optional boolean to append to an existing index or not
|
||
|
|
*/
|
||
|
|
public function saveObjectInBuffer(string $objectName, bool $append = false): void
|
||
|
|
{
|
||
|
|
if (! empty($this->dumpBuffer)) {
|
||
|
|
if ($append && isset($this->dumpBufferObjects[$objectName])) {
|
||
|
|
$this->dumpBufferObjects[$objectName] .= $this->dumpBuffer;
|
||
|
|
} else {
|
||
|
|
$this->dumpBufferObjects[$objectName] = $this->dumpBuffer;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Re - initialize
|
||
|
|
$this->dumpBuffer = '';
|
||
|
|
$this->dumpBufferLength = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns HTML containing the header for a displayed export
|
||
|
|
*
|
||
|
|
* @param string $exportType the export type
|
||
|
|
* @param string $db the database name
|
||
|
|
* @param string $table the table name
|
||
|
|
*
|
||
|
|
* @return string[] the generated HTML and back button
|
||
|
|
*/
|
||
|
|
public function getHtmlForDisplayedExportHeader(
|
||
|
|
string $exportType,
|
||
|
|
string $db,
|
||
|
|
string $table
|
||
|
|
): array {
|
||
|
|
$html = '<div>';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Displays a back button with all the $_POST data in the URL
|
||
|
|
* (store in a variable to also display after the textarea)
|
||
|
|
*/
|
||
|
|
$backButton = '<p>[ <a href="';
|
||
|
|
if ($exportType === 'server') {
|
||
|
|
$backButton .= Url::getFromRoute('/server/export') . '" data-post="' . Url::getCommon([], '', false);
|
||
|
|
} elseif ($exportType === 'database') {
|
||
|
|
$backButton .= Url::getFromRoute('/database/export') . '" data-post="' . Url::getCommon(
|
||
|
|
['db' => $db],
|
||
|
|
'',
|
||
|
|
false
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
$backButton .= Url::getFromRoute('/table/export') . '" data-post="' . Url::getCommon(
|
||
|
|
['db' => $db, 'table' => $table],
|
||
|
|
'',
|
||
|
|
false
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$postParams = $_POST;
|
||
|
|
|
||
|
|
// Convert the multiple select elements from an array to a string
|
||
|
|
if ($exportType === 'database') {
|
||
|
|
$structOrDataForced = empty($postParams['structure_or_data_forced']);
|
||
|
|
if ($structOrDataForced && ! isset($postParams['table_structure'])) {
|
||
|
|
$postParams['table_structure'] = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($structOrDataForced && ! isset($postParams['table_data'])) {
|
||
|
|
$postParams['table_data'] = [];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($postParams as $name => $value) {
|
||
|
|
if (is_array($value)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$backButton .= '&' . urlencode((string) $name) . '=' . urlencode((string) $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
$backButton .= '&repopulate=1">' . __('Back') . '</a> ]</p>';
|
||
|
|
$html .= '<br>';
|
||
|
|
$html .= $backButton;
|
||
|
|
$refreshButton = '<form id="export_refresh_form" method="POST" action="'
|
||
|
|
. Url::getFromRoute('/export') . '" class="disableAjax">';
|
||
|
|
$refreshButton .= '[ <a class="disableAjax export_refresh_btn">' . __('Refresh') . '</a> ]';
|
||
|
|
foreach ($postParams as $name => $value) {
|
||
|
|
if (is_array($value)) {
|
||
|
|
foreach ($value as $val) {
|
||
|
|
$refreshButton .= '<input type="hidden" name="' . htmlentities((string) $name)
|
||
|
|
. '[]" value="' . htmlentities((string) $val) . '">';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$refreshButton .= '<input type="hidden" name="' . htmlentities((string) $name)
|
||
|
|
. '" value="' . htmlentities((string) $value) . '">';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$refreshButton .= '</form>';
|
||
|
|
$html .= $refreshButton
|
||
|
|
. '<br>'
|
||
|
|
. '<form name="nofunction">'
|
||
|
|
. '<textarea name="sqldump" cols="50" rows="30" '
|
||
|
|
. 'id="textSQLDUMP" wrap="OFF">';
|
||
|
|
|
||
|
|
return [
|
||
|
|
$html,
|
||
|
|
$backButton,
|
||
|
|
$refreshButton,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Export at the server level
|
||
|
|
*
|
||
|
|
* @param string|array $dbSelect the selected databases to export
|
||
|
|
* @param string $whatStrucOrData structure or data or both
|
||
|
|
* @param ExportPlugin $exportPlugin the selected export plugin
|
||
|
|
* @param string $crlf end of line character(s)
|
||
|
|
* @param string $errorUrl the URL in case of error
|
||
|
|
* @param string $exportType the export type
|
||
|
|
* @param bool $doRelation whether to export relation info
|
||
|
|
* @param bool $doComments whether to add comments
|
||
|
|
* @param bool $doMime whether to add MIME info
|
||
|
|
* @param bool $doDates whether to add dates
|
||
|
|
* @param array $aliases alias information for db/table/column
|
||
|
|
* @param string $separateFiles whether it is a separate-files export
|
||
|
|
*/
|
||
|
|
public function exportServer(
|
||
|
|
$dbSelect,
|
||
|
|
string $whatStrucOrData,
|
||
|
|
ExportPlugin $exportPlugin,
|
||
|
|
string $crlf,
|
||
|
|
string $errorUrl,
|
||
|
|
string $exportType,
|
||
|
|
bool $doRelation,
|
||
|
|
bool $doComments,
|
||
|
|
bool $doMime,
|
||
|
|
bool $doDates,
|
||
|
|
array $aliases,
|
||
|
|
string $separateFiles
|
||
|
|
): void {
|
||
|
|
if (! empty($dbSelect) && is_array($dbSelect)) {
|
||
|
|
$tmpSelect = implode('|', $dbSelect);
|
||
|
|
$tmpSelect = '|' . $tmpSelect . '|';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Walk over databases
|
||
|
|
foreach ($GLOBALS['dblist']->databases as $currentDb) {
|
||
|
|
if (! isset($tmpSelect) || ! mb_strpos(' ' . $tmpSelect, '|' . $currentDb . '|')) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables = $this->dbi->getTables($currentDb);
|
||
|
|
$this->exportDatabase(
|
||
|
|
$currentDb,
|
||
|
|
$tables,
|
||
|
|
$whatStrucOrData,
|
||
|
|
$tables,
|
||
|
|
$tables,
|
||
|
|
$exportPlugin,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases,
|
||
|
|
$separateFiles === 'database' ? $separateFiles : ''
|
||
|
|
);
|
||
|
|
if ($separateFiles !== 'server') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->saveObjectInBuffer($currentDb);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Export at the database level
|
||
|
|
*
|
||
|
|
* @param string $db the database to export
|
||
|
|
* @param array $tables the tables to export
|
||
|
|
* @param string $whatStrucOrData structure or data or both
|
||
|
|
* @param array $tableStructure whether to export structure for each table
|
||
|
|
* @param array $tableData whether to export data for each table
|
||
|
|
* @param ExportPlugin $exportPlugin the selected export plugin
|
||
|
|
* @param string $crlf end of line character(s)
|
||
|
|
* @param string $errorUrl the URL in case of error
|
||
|
|
* @param string $exportType the export type
|
||
|
|
* @param bool $doRelation whether to export relation info
|
||
|
|
* @param bool $doComments whether to add comments
|
||
|
|
* @param bool $doMime whether to add MIME info
|
||
|
|
* @param bool $doDates whether to add dates
|
||
|
|
* @param array $aliases Alias information for db/table/column
|
||
|
|
* @param string $separateFiles whether it is a separate-files export
|
||
|
|
*/
|
||
|
|
public function exportDatabase(
|
||
|
|
string $db,
|
||
|
|
array $tables,
|
||
|
|
string $whatStrucOrData,
|
||
|
|
array $tableStructure,
|
||
|
|
array $tableData,
|
||
|
|
ExportPlugin $exportPlugin,
|
||
|
|
string $crlf,
|
||
|
|
string $errorUrl,
|
||
|
|
string $exportType,
|
||
|
|
bool $doRelation,
|
||
|
|
bool $doComments,
|
||
|
|
bool $doMime,
|
||
|
|
bool $doDates,
|
||
|
|
array $aliases,
|
||
|
|
string $separateFiles
|
||
|
|
): void {
|
||
|
|
$dbAlias = ! empty($aliases[$db]['alias'])
|
||
|
|
? $aliases[$db]['alias'] : '';
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportDBHeader($db, $dbAlias)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportDBCreate($db, $exportType, $dbAlias)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($separateFiles === 'database') {
|
||
|
|
$this->saveObjectInBuffer('database', true);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
($GLOBALS['sql_structure_or_data'] === 'structure'
|
||
|
|
|| $GLOBALS['sql_structure_or_data'] === 'structure_and_data')
|
||
|
|
&& isset($GLOBALS['sql_procedure_function'])
|
||
|
|
) {
|
||
|
|
$exportPlugin->exportRoutines($db, $aliases);
|
||
|
|
|
||
|
|
if ($separateFiles === 'database') {
|
||
|
|
$this->saveObjectInBuffer('routines');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$views = [];
|
||
|
|
|
||
|
|
foreach ($tables as $table) {
|
||
|
|
$tableObject = new Table($table, $db);
|
||
|
|
// if this is a view, collect it for later;
|
||
|
|
// views must be exported after the tables
|
||
|
|
$isView = $tableObject->isView();
|
||
|
|
if ($isView) {
|
||
|
|
$views[] = $table;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
($whatStrucOrData === 'structure'
|
||
|
|
|| $whatStrucOrData === 'structure_and_data')
|
||
|
|
&& in_array($table, $tableStructure)
|
||
|
|
) {
|
||
|
|
// for a view, export a stand-in definition of the table
|
||
|
|
// to resolve view dependencies (only when it's a single-file export)
|
||
|
|
if ($isView) {
|
||
|
|
if (
|
||
|
|
$separateFiles == ''
|
||
|
|
&& isset($GLOBALS['sql_create_view'])
|
||
|
|
&& ! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'stand_in',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} elseif (isset($GLOBALS['sql_create_table'])) {
|
||
|
|
$tableSize = $GLOBALS['maxsize'];
|
||
|
|
// Checking if the maximum table size constrain has been set
|
||
|
|
// And if that constrain is a valid number or not
|
||
|
|
if ($tableSize !== '' && is_numeric($tableSize)) {
|
||
|
|
// This obtains the current table's size
|
||
|
|
$query = 'SELECT data_length + index_length
|
||
|
|
from information_schema.TABLES
|
||
|
|
WHERE table_schema = "' . $this->dbi->escapeString($db) . '"
|
||
|
|
AND table_name = "' . $this->dbi->escapeString($table) . '"';
|
||
|
|
|
||
|
|
$size = (int) $this->dbi->fetchValue($query);
|
||
|
|
//Converting the size to MB
|
||
|
|
$size /= 1024 / 1024;
|
||
|
|
if ($size > $tableSize) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'create_table',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// if this is a view or a merge table, don't export data
|
||
|
|
if (
|
||
|
|
($whatStrucOrData === 'data' || $whatStrucOrData === 'structure_and_data')
|
||
|
|
&& in_array($table, $tableData)
|
||
|
|
&& ! $isView
|
||
|
|
) {
|
||
|
|
$tableObj = new Table($table, $db);
|
||
|
|
$nonGeneratedCols = $tableObj->getNonGeneratedColumns(true);
|
||
|
|
|
||
|
|
$localQuery = 'SELECT ' . implode(', ', $nonGeneratedCols)
|
||
|
|
. ' FROM ' . Util::backquote($db)
|
||
|
|
. '.' . Util::backquote($table);
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportData($db, $table, $crlf, $errorUrl, $localQuery, $aliases)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// this buffer was filled, we save it and go to the next one
|
||
|
|
if ($separateFiles === 'database') {
|
||
|
|
$this->saveObjectInBuffer('table_' . $table);
|
||
|
|
}
|
||
|
|
|
||
|
|
// now export the triggers (needs to be done after the data because
|
||
|
|
// triggers can modify already imported tables)
|
||
|
|
if (
|
||
|
|
! isset($GLOBALS['sql_create_trigger']) || ($whatStrucOrData !== 'structure'
|
||
|
|
&& $whatStrucOrData !== 'structure_and_data')
|
||
|
|
|| ! in_array($table, $tableStructure)
|
||
|
|
) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'triggers',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($separateFiles !== 'database') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->saveObjectInBuffer('table_' . $table, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($GLOBALS['sql_create_view'])) {
|
||
|
|
foreach ($views as $view) {
|
||
|
|
// no data export for a view
|
||
|
|
if ($whatStrucOrData !== 'structure' && $whatStrucOrData !== 'structure_and_data') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$view,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'create_view',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($separateFiles !== 'database') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->saveObjectInBuffer('view_' . $view);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportDBFooter($db)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// export metadata related to this db
|
||
|
|
if (isset($GLOBALS['sql_metadata'])) {
|
||
|
|
// Types of metadata to export.
|
||
|
|
// In the future these can be allowed to be selected by the user
|
||
|
|
$metadataTypes = $this->getMetadataTypes();
|
||
|
|
$exportPlugin->exportMetadata($db, $tables, $metadataTypes);
|
||
|
|
|
||
|
|
if ($separateFiles === 'database') {
|
||
|
|
$this->saveObjectInBuffer('metadata');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($separateFiles === 'database') {
|
||
|
|
$this->saveObjectInBuffer('extra');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
($GLOBALS['sql_structure_or_data'] !== 'structure'
|
||
|
|
&& $GLOBALS['sql_structure_or_data'] !== 'structure_and_data')
|
||
|
|
|| ! isset($GLOBALS['sql_procedure_function'])
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$exportPlugin->exportEvents($db);
|
||
|
|
|
||
|
|
if ($separateFiles !== 'database') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->saveObjectInBuffer('events');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Export a raw query
|
||
|
|
*
|
||
|
|
* @param string $whatStrucOrData whether to export structure for each table or raw
|
||
|
|
* @param ExportPlugin $exportPlugin the selected export plugin
|
||
|
|
* @param string $crlf end of line character(s)
|
||
|
|
* @param string $errorUrl the URL in case of error
|
||
|
|
* @param string $sqlQuery the query to be executed
|
||
|
|
* @param string $exportType the export type
|
||
|
|
*/
|
||
|
|
public static function exportRaw(
|
||
|
|
string $whatStrucOrData,
|
||
|
|
ExportPlugin $exportPlugin,
|
||
|
|
string $crlf,
|
||
|
|
string $errorUrl,
|
||
|
|
string $sqlQuery,
|
||
|
|
string $exportType
|
||
|
|
): void {
|
||
|
|
// In case the we need to dump just the raw query
|
||
|
|
if ($whatStrucOrData !== 'raw') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportRawQuery($errorUrl, $sqlQuery, $crlf)) {
|
||
|
|
$GLOBALS['message'] = Message::error(
|
||
|
|
// phpcs:disable Generic.Files.LineLength.TooLong
|
||
|
|
/* l10n: A query written by the user is a "raw query" that could be using no tables or databases in particular */
|
||
|
|
__('Exporting a raw query is not supported for this export method.')
|
||
|
|
);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Export at the table level
|
||
|
|
*
|
||
|
|
* @param string $db the database to export
|
||
|
|
* @param string $table the table to export
|
||
|
|
* @param string $whatStrucOrData structure or data or both
|
||
|
|
* @param ExportPlugin $exportPlugin the selected export plugin
|
||
|
|
* @param string $crlf end of line character(s)
|
||
|
|
* @param string $errorUrl the URL in case of error
|
||
|
|
* @param string $exportType the export type
|
||
|
|
* @param bool $doRelation whether to export relation info
|
||
|
|
* @param bool $doComments whether to add comments
|
||
|
|
* @param bool $doMime whether to add MIME info
|
||
|
|
* @param bool $doDates whether to add dates
|
||
|
|
* @param string|null $allrows whether "dump all rows" was ticked
|
||
|
|
* @param string $limitTo upper limit
|
||
|
|
* @param string $limitFrom starting limit
|
||
|
|
* @param string $sqlQuery query for which exporting is requested
|
||
|
|
* @param array $aliases Alias information for db/table/column
|
||
|
|
*/
|
||
|
|
public function exportTable(
|
||
|
|
string $db,
|
||
|
|
string $table,
|
||
|
|
string $whatStrucOrData,
|
||
|
|
ExportPlugin $exportPlugin,
|
||
|
|
string $crlf,
|
||
|
|
string $errorUrl,
|
||
|
|
string $exportType,
|
||
|
|
bool $doRelation,
|
||
|
|
bool $doComments,
|
||
|
|
bool $doMime,
|
||
|
|
bool $doDates,
|
||
|
|
?string $allrows,
|
||
|
|
string $limitTo,
|
||
|
|
string $limitFrom,
|
||
|
|
string $sqlQuery,
|
||
|
|
array $aliases
|
||
|
|
): void {
|
||
|
|
$dbAlias = ! empty($aliases[$db]['alias'])
|
||
|
|
? $aliases[$db]['alias'] : '';
|
||
|
|
if (! $exportPlugin->exportDBHeader($db, $dbAlias)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($allrows) && $allrows == '0' && $limitTo > 0 && $limitFrom >= 0) {
|
||
|
|
$addQuery = ' LIMIT '
|
||
|
|
. ($limitFrom > 0 ? $limitFrom . ', ' : '')
|
||
|
|
. $limitTo;
|
||
|
|
} else {
|
||
|
|
$addQuery = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
$tableObject = new Table($table, $db);
|
||
|
|
$isView = $tableObject->isView();
|
||
|
|
if ($whatStrucOrData === 'structure' || $whatStrucOrData === 'structure_and_data') {
|
||
|
|
if ($isView) {
|
||
|
|
if (isset($GLOBALS['sql_create_view'])) {
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'create_view',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} elseif (isset($GLOBALS['sql_create_table'])) {
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'create_table',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If this is an export of a single view, we have to export data;
|
||
|
|
// for example, a PDF report
|
||
|
|
// if it is a merge table, no data is exported
|
||
|
|
if ($whatStrucOrData === 'data' || $whatStrucOrData === 'structure_and_data') {
|
||
|
|
if (! empty($sqlQuery)) {
|
||
|
|
// only preg_replace if needed
|
||
|
|
if (! empty($addQuery)) {
|
||
|
|
// remove trailing semicolon before adding a LIMIT
|
||
|
|
$sqlQuery = preg_replace('%;\s*$%', '', $sqlQuery);
|
||
|
|
}
|
||
|
|
|
||
|
|
$localQuery = $sqlQuery . $addQuery;
|
||
|
|
$this->dbi->selectDb($db);
|
||
|
|
} else {
|
||
|
|
// Data is exported only for Non-generated columns
|
||
|
|
$tableObj = new Table($table, $db);
|
||
|
|
$nonGeneratedCols = $tableObj->getNonGeneratedColumns(true);
|
||
|
|
|
||
|
|
$localQuery = 'SELECT ' . implode(', ', $nonGeneratedCols)
|
||
|
|
. ' FROM ' . Util::backquote($db)
|
||
|
|
. '.' . Util::backquote($table) . $addQuery;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportData($db, $table, $crlf, $errorUrl, $localQuery, $aliases)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// now export the triggers (needs to be done after the data because
|
||
|
|
// triggers can modify already imported tables)
|
||
|
|
if (
|
||
|
|
isset($GLOBALS['sql_create_trigger']) && ($whatStrucOrData === 'structure'
|
||
|
|
|| $whatStrucOrData === 'structure_and_data')
|
||
|
|
) {
|
||
|
|
if (
|
||
|
|
! $exportPlugin->exportStructure(
|
||
|
|
$db,
|
||
|
|
$table,
|
||
|
|
$crlf,
|
||
|
|
$errorUrl,
|
||
|
|
'triggers',
|
||
|
|
$exportType,
|
||
|
|
$doRelation,
|
||
|
|
$doComments,
|
||
|
|
$doMime,
|
||
|
|
$doDates,
|
||
|
|
$aliases
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exportPlugin->exportDBFooter($db)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! isset($GLOBALS['sql_metadata'])) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Types of metadata to export.
|
||
|
|
// In the future these can be allowed to be selected by the user
|
||
|
|
$metadataTypes = $this->getMetadataTypes();
|
||
|
|
$exportPlugin->exportMetadata($db, $table, $metadataTypes);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads correct page after doing export
|
||
|
|
*/
|
||
|
|
public function showPage(string $exportType): void
|
||
|
|
{
|
||
|
|
global $active_page, $containerBuilder;
|
||
|
|
|
||
|
|
if ($exportType === 'server') {
|
||
|
|
$active_page = Url::getFromRoute('/server/export');
|
||
|
|
/** @var ServerExportController $controller */
|
||
|
|
$controller = $containerBuilder->get(ServerExportController::class);
|
||
|
|
$controller();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($exportType === 'database') {
|
||
|
|
$active_page = Url::getFromRoute('/database/export');
|
||
|
|
/** @var DatabaseExportController $controller */
|
||
|
|
$controller = $containerBuilder->get(DatabaseExportController::class);
|
||
|
|
$controller();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$active_page = Url::getFromRoute('/table/export');
|
||
|
|
/** @var TableExportController $controller */
|
||
|
|
$controller = $containerBuilder->get(TableExportController::class);
|
||
|
|
$controller();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Merge two alias arrays, if array1 and array2 have
|
||
|
|
* conflicting alias then array2 value is used if it
|
||
|
|
* is non empty otherwise array1 value.
|
||
|
|
*
|
||
|
|
* @param array $aliases1 first array of aliases
|
||
|
|
* @param array $aliases2 second array of aliases
|
||
|
|
*
|
||
|
|
* @return array resultant merged aliases info
|
||
|
|
*/
|
||
|
|
public function mergeAliases(array $aliases1, array $aliases2): array
|
||
|
|
{
|
||
|
|
// First do a recursive array merge
|
||
|
|
// on aliases arrays.
|
||
|
|
$aliases = array_merge_recursive($aliases1, $aliases2);
|
||
|
|
// Now, resolve conflicts in aliases, if any
|
||
|
|
foreach ($aliases as $dbName => $db) {
|
||
|
|
// If alias key is an array then
|
||
|
|
// it is a merge conflict.
|
||
|
|
if (isset($db['alias']) && is_array($db['alias'])) {
|
||
|
|
$val1 = $db['alias'][0];
|
||
|
|
$val2 = $db['alias'][1];
|
||
|
|
// Use aliases2 alias if non empty
|
||
|
|
$aliases[$dbName]['alias'] = empty($val2) ? $val1 : $val2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! isset($db['tables'])) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($db['tables'] as $tableName => $tbl) {
|
||
|
|
if (isset($tbl['alias']) && is_array($tbl['alias'])) {
|
||
|
|
$val1 = $tbl['alias'][0];
|
||
|
|
$val2 = $tbl['alias'][1];
|
||
|
|
// Use aliases2 alias if non empty
|
||
|
|
$aliases[$dbName]['tables'][$tableName]['alias'] = empty($val2) ? $val1 : $val2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! isset($tbl['columns'])) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($tbl['columns'] as $col => $colAs) {
|
||
|
|
if (! isset($colAs) || ! is_array($colAs)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$val1 = $colAs[0];
|
||
|
|
$val2 = $colAs[1];
|
||
|
|
// Use aliases2 alias if non empty
|
||
|
|
$aliases[$dbName]['tables'][$tableName]['columns'][$col] = empty($val2) ? $val1 : $val2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $aliases;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Locks tables
|
||
|
|
*
|
||
|
|
* @param string $db database name
|
||
|
|
* @param array $tables list of table names
|
||
|
|
* @param string $lockType lock type; "[LOW_PRIORITY] WRITE" or "READ [LOCAL]"
|
||
|
|
*
|
||
|
|
* @return mixed result of the query
|
||
|
|
*/
|
||
|
|
public function lockTables(string $db, array $tables, string $lockType = 'WRITE')
|
||
|
|
{
|
||
|
|
$locks = [];
|
||
|
|
foreach ($tables as $table) {
|
||
|
|
$locks[] = Util::backquote($db) . '.'
|
||
|
|
. Util::backquote($table) . ' ' . $lockType;
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = 'LOCK TABLES ' . implode(', ', $locks);
|
||
|
|
|
||
|
|
return $this->dbi->tryQuery($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Releases table locks
|
||
|
|
*
|
||
|
|
* @return mixed result of the query
|
||
|
|
*/
|
||
|
|
public function unlockTables()
|
||
|
|
{
|
||
|
|
return $this->dbi->tryQuery('UNLOCK TABLES');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns all the metadata types that can be exported with a database or a table
|
||
|
|
*
|
||
|
|
* @return string[] metadata types.
|
||
|
|
*/
|
||
|
|
public function getMetadataTypes(): array
|
||
|
|
{
|
||
|
|
return [
|
||
|
|
'column_info',
|
||
|
|
'table_uiprefs',
|
||
|
|
'tracking',
|
||
|
|
'bookmark',
|
||
|
|
'relation',
|
||
|
|
'table_coords',
|
||
|
|
'pdf_pages',
|
||
|
|
'savedsearches',
|
||
|
|
'central_columns',
|
||
|
|
'export_templates',
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the checked clause, depending on the presence of key in array
|
||
|
|
*
|
||
|
|
* @param string $key the key to look for
|
||
|
|
* @param array $array array to verify
|
||
|
|
*
|
||
|
|
* @return string the checked clause
|
||
|
|
*/
|
||
|
|
public function getCheckedClause(string $key, array $array): string
|
||
|
|
{
|
||
|
|
if (in_array($key, $array)) {
|
||
|
|
return ' checked="checked"';
|
||
|
|
}
|
||
|
|
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* get all the export options and verify
|
||
|
|
* call and include the appropriate Schema Class depending on $export_type
|
||
|
|
*
|
||
|
|
* @param string|null $exportType format of the export
|
||
|
|
*/
|
||
|
|
public function processExportSchema(?string $exportType): void
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* default is PDF, otherwise validate it's only letters a-z
|
||
|
|
*/
|
||
|
|
if (! isset($exportType) || ! preg_match('/^[a-zA-Z]+$/', $exportType)) {
|
||
|
|
$exportType = 'pdf';
|
||
|
|
}
|
||
|
|
|
||
|
|
// sanitize this parameter which will be used below in a file inclusion
|
||
|
|
$exportType = Core::securePath($exportType);
|
||
|
|
|
||
|
|
// get the specific plugin
|
||
|
|
/** @var SchemaPlugin $exportPlugin */
|
||
|
|
$exportPlugin = Plugins::getPlugin('schema', $exportType);
|
||
|
|
|
||
|
|
// Check schema export type
|
||
|
|
if ($exportPlugin === null) {
|
||
|
|
Core::fatalError(__('Bad type!'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->dbi->selectDb($_POST['db']);
|
||
|
|
$exportPlugin->exportSchema($_POST['db']);
|
||
|
|
}
|
||
|
|
}
|