163 lines
4.9 KiB
PHP
163 lines
4.9 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* function for the main export logic
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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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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* @return void
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*/
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function PMA_shutdown()
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{
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$a = error_get_last();
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if ($a != null && strpos($a['message'], "execution time")) {
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//write in partially downloaded file for future reference of user
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print_r($a);
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//set session variable to check if there was error while exporting
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$_SESSION['pma_export_error'] = $a['message'];
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}
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}
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/**
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* Detect ob_gzhandler
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*
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* @return bool
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*/
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function PMA_isGzHandlerEnabled()
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{
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return in_array('ob_gzhandler', ob_list_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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* @return bool Whether gzencode is needed
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*/
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function PMA_gzencodeNeeded()
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{
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if (@function_exists('gzencode')
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&& ! @ini_get('zlib.output_compression')
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&& ! PMA_isGzHandlerEnabled()
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) {
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return true;
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} else {
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return false;
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}
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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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* $dump_buffer, otherwise it prints thems out.
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*
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* @param string $line the insert statement
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*
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* @return bool Whether output succeeded
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*/
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function PMA_exportOutputHandler($line)
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{
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global $time_start, $dump_buffer, $dump_buffer_len, $save_filename;
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// Kanji encoding convert feature
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if ($GLOBALS['output_kanji_conversion']) {
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$line = PMA_Kanji_strConv(
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$line,
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$GLOBALS['knjenc'],
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isset($GLOBALS['xkana']) ? $GLOBALS['xkana'] : ''
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);
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}
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// If we have to buffer data, we will perform everything at once at the end
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if ($GLOBALS['buffer_needed']) {
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$dump_buffer .= $line;
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if ($GLOBALS['onfly_compression']) {
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$dump_buffer_len += strlen($line);
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if ($dump_buffer_len > $GLOBALS['memory_limit']) {
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if ($GLOBALS['output_charset_conversion']) {
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$dump_buffer = PMA_convertString(
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'utf-8',
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$GLOBALS['charset_of_file'],
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$dump_buffer
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);
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}
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// as bzipped
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if ($GLOBALS['compression'] == 'bzip2'
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&& @function_exists('bzcompress')
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) {
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$dump_buffer = bzcompress($dump_buffer);
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} elseif ($GLOBALS['compression'] == 'gzip'
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&& PMA_gzencodeNeeded()
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) {
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// as a gzipped file
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// without the optional parameter level because it bugs
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$dump_buffer = gzencode($dump_buffer);
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}
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if ($GLOBALS['save_on_server']) {
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$write_result = @fwrite($GLOBALS['file_handle'], $dump_buffer);
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if ($write_result != strlen($dump_buffer)) {
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$GLOBALS['message'] = PMA_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 $dump_buffer;
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}
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$dump_buffer = '';
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$dump_buffer_len = 0;
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}
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} else {
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$time_now = time();
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if ($time_start >= $time_now + 30) {
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$time_start = $time_now;
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header('X-pmaPing: Pong');
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} // end if
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}
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} else {
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if ($GLOBALS['asfile']) {
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if ($GLOBALS['output_charset_conversion']) {
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$line = PMA_convertString(
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'utf-8',
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$GLOBALS['charset_of_file'],
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$line
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);
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}
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if ($GLOBALS['save_on_server'] && strlen($line) > 0) {
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$write_result = @fwrite($GLOBALS['file_handle'], $line);
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if (! $write_result || ($write_result != strlen($line))) {
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$GLOBALS['message'] = PMA_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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$time_now = time();
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if ($time_start >= $time_now + 30) {
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$time_start = $time_now;
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header('X-pmaPing: Pong');
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} // end if
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} else {
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// We export as file - output normally
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echo $line;
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}
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} else {
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// We export as html - replace special chars
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echo htmlspecialchars($line);
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}
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}
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return true;
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} // end of the 'PMA_exportOutputHandler()' function
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?>
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