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<?php
/* $Id: export.php,v 2.3.2.2 2004/02/18 16:12:41 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Get the variables sent or posted to this script and a core script
*/
require_once('./libraries/grab_globals.lib.php');
require_once('./libraries/common.lib.php');
require_once('./libraries/zip.lib.php');
PMA_checkParameters(array('what'));
// What type of export are we doing?
if ($what == 'excel') {
$type = 'csv';
} else {
$type = $what;
}
// Get the functions specific to the export type
require('./libraries/export/' . preg_replace('@\.\.*@','.',$type) . '.php');
// Generate error url
if ($export_type == 'server') {
$err_url = 'server_export.php?' . PMA_generate_common_url();
} elseif ($export_type == 'database') {
$err_url = 'db_details_export.php?' . PMA_generate_common_url($db);
} else {
$err_url = 'tbl_properties_export.php?' . PMA_generate_common_url($db, $table);
}
/**
* Increase time limit for script execution and initializes some variables
*/
@set_time_limit($cfg['ExecTimeLimit']);
// Start with empty buffer
$dump_buffer = '';
$dump_buffer_len = 0;
// We send fake headers to avoid browser timeout when buffering
$time_start = time();
/**
* Output handler for all exports, if needed buffering, it stores data into
* $dump_buffer, otherwise it prints thems out.
*
* @param string the insert statement
*
* @return bool Whether output suceeded
*/
function PMA_exportOutputHandler($line)
{
global $time_start, $dump_buffer, $dump_buffer_len, $save_filename;
// Kanji encoding convert feature
if (function_exists('PMA_kanji_str_conv')) {
$line = PMA_kanji_str_conv($line, $GLOBALS['knjenc'], isset($GLOBALS['xkana']) ? $GLOBALS['xkana'] : '');
}
// If we have to buffer data, we will perform everything at once at the end
if ($GLOBALS['buffer_needed']) {
$dump_buffer .= $line;
if ($GLOBALS['onfly_compression']) {
$dump_buffer_len += strlen($dump_buffer);
if ($dump_buffer_len > $GLOBALS['memory_limit']) {
// as bzipped
if ($GLOBALS['output_charset_conversion']) {
$dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
}
if ($GLOBALS['compression'] == 'bzip' && @function_exists('bzcompress')) {
$dump_buffer = bzcompress($dump_buffer);
}
// as a gzipped file
else if ($GLOBALS['compression'] == 'gzip' && @function_exists('gzencode')) {
// without the optional parameter level because it bug
$dump_buffer = gzencode($dump_buffer);
}
if ($GLOBALS['save_on_server']) {
$write_result = @fwrite($GLOBALS['file_handle'], $dump_buffer);
if (!$write_result || ($write_result != strlen($line))) {
$GLOBALS['message'] = sprintf($GLOBALS['strNoSpace'], htmlspecialchars($save_filename));
return FALSE;
}
} else {
echo $dump_buffer;
}
$dump_buffer = '';
$dump_buffer_len = 0;
}
} else {
$time_now = time();
if ($time_start >= $time_now + 30) {
$time_start = $time_now;
header('X-pmaPing: Pong');
} // end if
}
} else {
if ($GLOBALS['asfile']) {
if ($GLOBALS['save_on_server']) {
$write_result = @fwrite($GLOBALS['file_handle'], $line);
if (!$write_result || ($write_result != strlen($line))) {
$GLOBALS['message'] = sprintf($GLOBALS['strNoSpace'], htmlspecialchars($save_filename));
return FALSE;
}
$time_now = time();
if ($time_start >= $time_now + 30) {
$time_start = $time_now;
header('X-pmaPing: Pong');
} // end if
} else {
// We export as file - output normally
if ($GLOBALS['output_charset_conversion']) {
$line = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $line);
}
echo $line;
}
} else {
// We export as html - replace special chars
echo htmlspecialchars($line);
}
}
return TRUE;
} // end of the 'PMA_exportOutputHandler()' function
// Will we save dump on server?
$save_on_server = isset($cfg['SaveDir']) && !empty($cfg['SaveDir']) && !empty($onserver);
// Ensure compressed formats are associated with the download feature
if (empty($asfile)) {
if ($save_on_server) {
$asfile = TRUE;
} elseif (isset($compression) && ($compression == 'zip' | $compression == 'gzip' | $compression == 'bzip')) {
$asfile = TRUE;
} else {
$asfile = FALSE;
}
} else {
$asfile = TRUE;
}
// Defines the default <CR><LF> format
$crlf = PMA_whichCrlf();
// Do we need to convert charset?
$output_charset_conversion = $asfile &&
$cfg['AllowAnywhereRecoding'] && $allow_recoding
&& isset($charset_of_file) && $charset_of_file != $charset;
// Set whether we will need buffering
$buffer_needed = isset($compression) && ($compression == 'zip' | $compression == 'gzip' | $compression == 'bzip');
// Use on fly compression?
$onfly_compression = $GLOBALS['cfg']['CompressOnFly'] && isset($compression) && ($compression == 'gzip' | $compression == 'bzip');
if ($onfly_compression) {
$memory_limit = trim(@ini_get('memory_limit'));
// 2 MB as default
if (empty($memory_limit)) $memory_limit = 2 * 1024 * 1024;
if (strtolower(substr($memory_limit, -1)) == 'm') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
elseif (strtolower(substr($memory_limit, -1)) == 'k') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
elseif (strtolower(substr($memory_limit, -1)) == 'g') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024 * 1024;
else $memory_limit = (int)$memory_limit;
// Some of memory is needed for other thins and as treshold.
// Nijel: During export I had allocated (see memory_get_usage function)
// approx 1.2MB so this comes from that.
if ($memory_limit > 1500000) $memory_limit -= 1500000;
// Some memory is needed for compression, assume 1/3
$memory_limit *= 2/3;
}
// Generate filename and mime type if needed
if ($asfile) {
$pma_uri_parts = parse_url($cfg['PmaAbsoluteUri']);
if ($export_type == 'server') {
if (isset($remember_template)) {
setcookie('pma_server_filename_template', $filename_template , 0,
substr($pma_uri_parts['path'], 0, strrpos($pma_uri_parts['path'], '/')),
'', ($pma_uri_parts['scheme'] == 'https'));
}
$filename = str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template));
} elseif ($export_type == 'database') {
if (isset($remember_template)) {
setcookie('pma_db_filename_template', $filename_template , 0,
substr($pma_uri_parts['path'], 0, strrpos($pma_uri_parts['path'], '/')),
'', ($pma_uri_parts['scheme'] == 'https'));
}
$filename = str_replace('__DB__', $db, str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template)));
} else {
if (isset($remember_template)) {
setcookie('pma_table_filename_template', $filename_template , 0,
substr($pma_uri_parts['path'], 0, strrpos($pma_uri_parts['path'], '/')),
'', ($pma_uri_parts['scheme'] == 'https'));
}
$filename = str_replace('__TABLE__', $table, str_replace('__DB__', $db, str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template))));
}
// convert filename to iso-8859-1, it is safer
if (!(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding)) {
$filename = PMA_convert_string($charset, 'iso-8859-1', $filename);
} else {
$filename = PMA_convert_string($convcharset, 'iso-8859-1', $filename);
}
// Generate basic dump extension
if ($type == 'csv') {
$filename .= '.csv';
$mime_type = 'text/x-csv';
} else if ($type == 'xml') {
$filename .= '.xml';
$mime_type = 'text/xml';
} else if ($type == 'latex') {
$filename .= '.tex';
$mime_type = 'application/x-tex';
} else {
$filename .= '.sql';
// loic1: 'application/octet-stream' is the registered IANA type but
// MSIE and Opera seems to prefer 'application/octetstream'
$mime_type = (PMA_USR_BROWSER_AGENT == 'IE' || PMA_USR_BROWSER_AGENT == 'OPERA')
? 'application/octetstream'
: 'application/octet-stream';
}
// If dump is going to be compressed, set correct mime_type and add
// compression to extension
if (isset($compression) && $compression == 'bzip') {
$filename .= '.bz2';
$mime_type = 'application/x-bzip';
} else if (isset($compression) && $compression == 'gzip') {
$filename .= '.gz';
$mime_type = 'application/x-gzip';
} else if (isset($compression) && $compression == 'zip') {
$filename .= '.zip';
$mime_type = 'application/x-zip';
}
}
// Open file on server if needed
if ($save_on_server) {
if (substr($cfg['SaveDir'], -1) != '/') {
$cfg['SaveDir'] .= '/';
}
$save_filename = $cfg['SaveDir'] . preg_replace('@[/\\\\]@','_',$filename);
unset($message);
if (file_exists($save_filename) && empty($onserverover)) {
$message = sprintf($strFileAlreadyExists, htmlspecialchars($save_filename));
} else {
if (is_file($save_filename) && !is_writable($save_filename)) {
$message = sprintf($strNoPermission, htmlspecialchars($save_filename));
} else {
if (!$file_handle = @fopen($save_filename, 'w')) {
$message = sprintf($strNoPermission, htmlspecialchars($save_filename));
}
}
}
if (isset($message)) {
$js_to_run = 'functions.js';
require_once('./header.inc.php');
if ($export_type == 'server') {
$active_page = 'server_export.php';
require('./server_export.php');
} elseif ($export_type == 'database') {
$active_page = 'db_details_export.php';
require('./db_details_export.php');
} else {
$active_page = 'tbl_properties_export.php';
require('./tbl_properties_export.php');
}
exit();
}
}
/**
* Send headers depending on whether the user chose to download a dump file
* or not
*/
if (!$save_on_server) {
if ($asfile ) {
// Download
header('Content-Type: ' . $mime_type);
header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
// lem9 & loic1: IE need specific headers
if (PMA_USR_BROWSER_AGENT == 'IE') {
header('Content-Disposition: inline; filename="' . $filename . '"');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
} else {
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Pragma: no-cache');
}
} else {
// HTML
$backup_cfgServer = $cfg['Server'];
require_once('./header.inc.php');
$cfg['Server'] = $backup_cfgServer;
unset($backup_cfgServer);
echo '<div align="' . $cell_align_left . '">' . "\n";
echo ' <pre>' . "\n";
} // end download
}
// Check if we have something to export
if ($export_type == 'database') {
$tables = PMA_mysql_list_tables($db);
$num_tables = ($tables) ? @mysql_numrows($tables) : 0;
if ($num_tables == 0) {
$message = $strNoTablesFound;
$js_to_run = 'functions.js';
require_once('./header.inc.php');
if ($export_type == 'server') {
$active_page = 'server_export.php';
require('./server_export.php');
} elseif ($export_type == 'database') {
$active_page = 'db_details_export.php';
require('./db_details_export.php');
} else {
$active_page = 'tbl_properties_export.php';
require('./tbl_properties_export.php');
}
exit();
}
}
// Add possibly some comments to export
PMA_exportHeader();
// Will we need relation & co. setup?
$do_relation = isset($GLOBALS[$what . '_relation']);
$do_comments = isset($GLOBALS[$what . '_comments']);
$do_mime = isset($GLOBALS[$what . '_mime']);
if ($do_relation || $do_comments || $do_mime) {
require_once('./libraries/relation.lib.php');
$cfgRelation = PMA_getRelationsParam();
}
if ($do_mime) {
require_once('./libraries/transformations.lib.php');
}
// Include dates in export?
$do_dates = isset($GLOBALS[$what . '_dates']);
/**
* Builds the dump
*/
// Gets the number of tables if a dump of a database has been required
if ($export_type == 'server') {
/**
* Gets the databases list - if it has not been built yet
*/
if ($server > 0 && empty($dblist)) {
PMA_availableDatabases();
}
if (isset($db_select)) {
$tmp_select = implode($db_select, '|');
$tmp_select = '|' . $tmp_select . '|';
}
// Walk over databases
foreach($dblist AS $current_db) {
if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $current_db . '|'))
|| !isset($tmp_select)) {
PMA_exportDBHeader($current_db);
PMA_exportDBCreate($current_db);
$tables = PMA_mysql_list_tables($current_db);
$num_tables = ($tables) ? @mysql_numrows($tables) : 0;
$i = 0;
while ($i < $num_tables) {
$table = PMA_mysql_tablename($tables, $i);
$local_query = 'SELECT * FROM ' . PMA_backquote($current_db) . '.' . PMA_backquote($table);
if (isset($GLOBALS[$what . '_structure'])) PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates);
if (isset($GLOBALS[$what . '_data'])) PMA_exportData($current_db, $table, $crlf, $err_url, $local_query);
$i++;
}
PMA_exportDBFooter($current_db);
}
}
} elseif ($export_type == 'database') {
PMA_exportDBHeader($db);
if (isset($table_select)) {
$tmp_select = implode($table_select, '|');
$tmp_select = '|' . $tmp_select . '|';
}
$i = 0;
while ($i < $num_tables) {
$table = PMA_mysql_tablename($tables, $i);
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $table . '|'))
|| !isset($tmp_select)) {
if (isset($GLOBALS[$what . '_structure'])) PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates);
if (isset($GLOBALS[$what . '_data'])) PMA_exportData($db, $table, $crlf, $err_url, $local_query);
}
$i++;
}
PMA_exportDBFooter($db);
} else {
PMA_exportDBHeader($db);
// We export just one table
if ($limit_to > 0 && $limit_from >= 0) {
$add_query = ' LIMIT '
. (($limit_from > 0) ? $limit_from . ', ' : '')
. $limit_to;
} else {
$add_query = '';
}
if (!empty($sql_query)) {
$local_query = $sql_query . $add_query;
PMA_mysql_select_db($db);
} else {
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
}
if (isset($GLOBALS[$what . '_structure'])) PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates);
if (isset($GLOBALS[$what . '_data'])) PMA_exportData($db, $table, $crlf, $err_url, $local_query);
PMA_exportDBFooter($db);
}
/**
* Send the dump as a file...
*/
if (!empty($asfile)) {
// Convert the charset if required.
if ($output_charset_conversion) {
$dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
}
// Do the compression
// 1. as a gzipped file
if (isset($compression) && $compression == 'zip') {
if (@function_exists('gzcompress')) {
if ($type == 'csv' ) {
$extbis = '.csv';
} else if ($type == 'xml') {
$extbis = '.xml';
} else {
$extbis = '.sql';
}
$zipfile = new zipfile();
$zipfile -> addFile($dump_buffer, $filename . $extbis);
$dump_buffer = $zipfile -> file();
}
}
// 2. as a bzipped file
else if (isset($compression) && $compression == 'bzip') {
if (@function_exists('bzcompress')) {
$dump_buffer = bzcompress($dump_buffer);
if ($dump_buffer === -8) {
require_once('./header.inc.php');
echo sprintf($strBzError, '<a href="http://bugs.php.net/bug.php?id=17300" target="_blank">17300</a>');
require_once('./footer.inc.php');
}
}
}
// 3. as a gzipped file
else if (isset($compression) && $compression == 'gzip') {
if (@function_exists('gzencode')) {
// without the optional parameter level because it bug
$dump_buffer = gzencode($dump_buffer);
}
}
/* If ve saved on server, we have to close file now */
if ($save_on_server) {
$write_result = @fwrite($file_handle, $dump_buffer);
fclose($file_handle);
if (strlen($dump_buffer) !=0 && (!$write_result || ($write_result != strlen($dump_buffer)))) {
$message = sprintf($strNoSpace, htmlspecialchars($save_filename));
} else {
$message = sprintf($strDumpSaved, htmlspecialchars($save_filename));
}
$js_to_run = 'functions.js';
require_once('./header.inc.php');
if ($export_type == 'server') {
$active_page = 'server_export.php';
require_once('./server_export.php');
} elseif ($export_type == 'database') {
$active_page = 'db_details_export.php';
require_once('./db_details_export.php');
} else {
$active_page = 'tbl_properties_export.php';
require_once('./tbl_properties_export.php');
}
exit();
} else {
echo $dump_buffer;
}
}
/**
* Displays the dump...
*/
else {
/**
* Close the html tags and add the footers in dump is displayed on screen
*/
echo ' </pre>' . "\n";
echo '</div>' . "\n";
echo "\n";
require_once('./footer.inc.php');
} // end if
?>
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