Viewing file:  export.php (24.09 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/* $Id: export.php,v 2.38.2.2 2006/04/14 09:45:23 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/common.lib.php');
require_once('./libraries/zip.lib.php');
PMA_checkParameters(array('what', 'export_type'));
// What type of export are we doing?
if ($what == 'excel') {
$type = 'csv';
} else {
$type = $what;
}
// Get the functions specific to the export type
require('./libraries/export/' . PMA_securePath($type) . '.php');
// Generate error url
if ($export_type == 'server') {
$err_url = 'server_export.php?' . PMA_generate_common_url();
} elseif ($export_type == 'database' && isset($db) && strlen($db)) {
$err_url = 'db_details_export.php?' . PMA_generate_common_url($db);
} elseif ($export_type == 'table' && isset($db) && strlen($db) && isset($table) && strlen($table)) {
$err_url = 'tbl_properties_export.php?' . PMA_generate_common_url($db, $table);
} else {
die('Bad parameters!');
}
/**
* Increase time limit for script execution and initializes some variables
*/
@set_time_limit($cfg['ExecTimeLimit']);
if (!empty($cfg['MemoryLimit'])) {
@ini_set('memory_limit', $cfg['MemoryLimit']);
}
// 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, $save_filename;
// Kanji encoding convert feature
if ($GLOBALS['output_kanji_conversion']) {
$line = PMA_kanji_str_conv($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']) {
$dump_buffer_len += strlen($line);
if ($dump_buffer_len > $GLOBALS['memory_limit']) {
if ($GLOBALS['output_charset_conversion']) {
$dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
}
// as bzipped
if ($GLOBALS['compression'] == 'bzip' && @function_exists('bzcompress')) {
$dump_buffer = bzcompress($dump_buffer);
}
// as a gzipped file
elseif ($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 || ($write_result != strlen($dump_buffer))) {
$GLOBALS['message'] = sprintf($GLOBALS['strNoSpace'], htmlspecialchars($save_filename));
$GLOBALS['show_error_header'] = TRUE;
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 ($GLOBALS['save_on_server'] && strlen($line) > 0) {
$write_result = @fwrite($GLOBALS['file_handle'], $line);
if (!$write_result || ($write_result != strlen($line))) {
$GLOBALS['message'] = sprintf($GLOBALS['strNoSpace'], htmlspecialchars($save_filename));
$GLOBALS['show_error_header'] = TRUE;
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 {
$asfile = TRUE;
}
// Defines the default <CR><LF> format. For SQL always use \n as MySQL wants this on all platforms.
if ($what == 'sql') {
$crlf = "\n";
} else {
$crlf = PMA_whichCrlf();
}
$output_kanji_conversion = function_exists('PMA_kanji_str_conv') && $type != 'xls';
// Do we need to convert charset?
$output_charset_conversion = $asfile &&
$cfg['AllowAnywhereRecoding'] && $allow_recoding
&& isset($charset_of_file) && $charset_of_file != $charset
&& $type != 'xls';
// 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, $GLOBALS['cookie_path'], '', $GLOBALS['is_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, $GLOBALS['cookie_path'], '', $GLOBALS['is_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, $GLOBALS['cookie_path'], '', $GLOBALS['is_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';
$mime_type = 'text/comma-separated-values';
} elseif ($type == 'htmlexcel') {
$filename .= '.xls';
$mime_type = 'application/vnd.ms-excel';
} elseif ($type == 'htmlword') {
$filename .= '.doc';
$mime_type = 'application/vnd.ms-word';
} elseif ($type == 'xls') {
$filename .= '.xls';
$mime_type = 'application/vnd.ms-excel';
} elseif ($type == 'xml') {
$filename .= '.xml';
$mime_type = 'text/xml';
} elseif ($type == 'latex') {
$filename .= '.tex';
$mime_type = 'application/x-tex';
} elseif ($type == 'pdf') {
$filename .= '.pdf';
$mime_type = 'application/pdf';
} else {
$filename .= '.sql';
// text/x-sql is correct MIME type, however safari ignores further
// Content-Disposition header, so we must force it to download it this
// way...
$mime_type = PMA_USR_BROWSER_AGENT == 'SAFARI'
? 'application/octet-stream'
: 'text/x-sql';
}
// If dump is going to be compressed, set correct encoding or mime_type and add
// compression to extension
$content_encoding = '';
if (isset($compression) && $compression == 'bzip') {
$filename .= '.bz2';
// browsers don't like this:
//$content_encoding = 'x-bzip2';
$mime_type = 'application/x-bzip2';
} elseif (isset($compression) && $compression == 'gzip') {
$filename .= '.gz';
// Needed to avoid recompression by server modules like mod_gzip.
// It seems necessary to check about zlib.output_compression
// to avoid compressing twice
if (!@ini_get('zlib.output_compression')) {
$content_encoding = 'x-gzip';
$mime_type = 'application/x-gzip';
}
} elseif (isset($compression) && $compression == 'zip') {
$filename .= '.zip';
$mime_type = 'application/zip';
}
}
// Open file on server if needed
if ($save_on_server) {
$save_filename = PMA_userDir($cfg['SaveDir']) . preg_replace('@[/\\\\]@', '_', $filename);
unset($message);
if (file_exists($save_filename) && empty($onserverover)) {
$message = sprintf($strFileAlreadyExists, htmlspecialchars($save_filename));
$GLOBALS['show_error_header'] = TRUE;
} else {
if (is_file($save_filename) && !is_writable($save_filename)) {
$message = sprintf($strNoPermission, htmlspecialchars($save_filename));
$GLOBALS['show_error_header'] = TRUE;
} else {
if (!$file_handle = @fopen($save_filename, 'w')) {
$message = sprintf($strNoPermission, htmlspecialchars($save_filename));
$GLOBALS['show_error_header'] = TRUE;
}
}
}
if (isset($message)) {
$js_to_run = 'functions.js';
require_once('./libraries/header.inc.php');
if ($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 ($asfile ) {
// Download
if (!empty($content_encoding)) {
header('Content-Encoding: ' . $content_encoding);
}
header('Content-Type: ' . $mime_type);
header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
// lem9: Tested behavior of
// IE 5.50.4807.2300
// IE 6.0.2800.1106 (small glitch, asks twice when I click Open)
// IE 6.0.2900.2180
// Firefox 1.0.6
// in http and https
header('Content-Disposition: attachment; filename="' . $filename . '"');
if (PMA_USR_BROWSER_AGENT == 'IE') {
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
} else {
header('Pragma: no-cache');
}
} else {
// HTML
$backup_cfgServer = $cfg['Server'];
require_once('./libraries/header.inc.php');
$cfg['Server'] = $backup_cfgServer;
unset($backup_cfgServer);
echo "\n" . '<div align="' . $cell_align_left . '">' . "\n";
//echo ' <pre>' . "\n";
echo ' <form name="nofunction">' . "\n"
// remove auto-select for now: there is no way to select
// only a part of the text; anyway, it should obey
// $cfg['TextareaAutoSelect']
//. ' <textarea name="sqldump" cols="50" rows="30" onclick="this.select();" id="textSQLDUMP" wrap="OFF">' . "\n";
. ' <textarea name="sqldump" cols="50" rows="30" id="textSQLDUMP" wrap="OFF">' . "\n";
} // end download
}
// Check if we have something to export
if ($export_type == 'database') {
$tables = PMA_DBI_get_tables($db);
$num_tables = count($tables);
if ($num_tables == 0) {
$message = $strNoTablesFound;
$js_to_run = 'functions.js';
require_once('./libraries/header.inc.php');
if ($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();
}
}
// Fake loop just to allow skip of remain of this code by break, I'd really
// need exceptions here :-)
do {
// Add possibly some comments to export
if (!PMA_exportHeader()) {
break;
}
// 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)) {
if (!PMA_exportDBHeader($current_db)) {
break 2;
}
if (!PMA_exportDBCreate($current_db)) {
break 2;
}
$tables = PMA_DBI_get_tables($current_db);
$views = array();
foreach ($tables as $table) {
// if this is a view, collect it for later; views must be exported
// after the tables
if (PMA_tableIsView($current_db, $table)) {
$views[] = $table;
continue;
}
$local_query = 'SELECT * FROM ' . PMA_backquote($current_db) . '.' . PMA_backquote($table);
if (isset($GLOBALS[$what . '_structure'])) {
if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
break 3;
}
}
if (isset($GLOBALS[$what . '_data'])) {
if (!PMA_exportData($current_db, $table, $crlf, $err_url, $local_query)) {
break 3;
}
}
}
foreach($views as $view) {
// no data export for a view
if (isset($GLOBALS[$what . '_structure'])) {
if (!PMA_exportStructure($current_db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
break 3;
}
}
}
if (!PMA_exportDBFooter($current_db)) {
break 2;
}
}
}
} elseif ($export_type == 'database') {
if (!PMA_exportDBHeader($db)) {
break;
}
if (isset($table_select)) {
$tmp_select = implode($table_select, '|');
$tmp_select = '|' . $tmp_select . '|';
}
$i = 0;
$views = array();
foreach ($tables as $table) {
// if this is a view, collect it for later; views must be exported after
// the tables
if (PMA_tableIsView($db, $table)) {
$views[] = $table;
continue;
}
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $table . '|'))
|| !isset($tmp_select)) {
if (isset($GLOBALS[$what . '_structure'])) {
if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
break 2;
}
}
if (isset($GLOBALS[$what . '_data'])) {
if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
break 2;
}
}
}
}
foreach ($views as $view) {
// no data export for a view
if (isset($GLOBALS[$what . '_structure'])) {
if (!PMA_exportStructure($db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
break 2;
}
}
}
if (!PMA_exportDBFooter($db)) {
break;
}
} else {
if (!PMA_exportDBHeader($db)) {
break;
}
// We export just one table
if ($limit_to > 0 && $limit_from >= 0) {
$add_query = ' LIMIT '
. (($limit_from > 0) ? $limit_from . ', ' : '')
. $limit_to;
} else {
$add_query = '';
}
if (!empty($sql_query)) {
// only preg_replace if needed
if (!empty($add_query)) {
// remove trailing semicolon before adding a LIMIT
$sql_query = preg_replace('%;\s*$%', '', $sql_query);
}
$local_query = $sql_query . $add_query;
PMA_DBI_select_db($db);
} else {
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
}
if (isset($GLOBALS[$what . '_structure'])) {
if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
break;
}
}
// I think we have to export data for a single view; for example PDF report
if (isset($GLOBALS[$what . '_data'])) {
if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
break;
}
}
if (!PMA_exportDBFooter($db)) {
break;
}
}
if (!PMA_exportFooter()) {
break;
}
} while (FALSE);
// End of fake loop
if ($save_on_server && isset($message)) {
$js_to_run = 'functions.js';
require_once('./libraries/header.inc.php');
if ($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 {
$active_page = 'tbl_properties_export.php';
require('./tbl_properties_export.php');
}
exit();
}
/**
* Send the dump as a file...
*/
if (!empty($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')) {
$zipfile = new zipfile();
$zipfile -> addFile($dump_buffer, substr($filename, 0, -4));
$dump_buffer = $zipfile -> file();
}
}
// 2. as a bzipped file
elseif (isset($compression) && $compression == 'bzip') {
if (@function_exists('bzcompress')) {
$dump_buffer = bzcompress($dump_buffer);
if ($dump_buffer === -8) {
require_once('./libraries/header.inc.php');
echo sprintf($strBzError, '<a href="http://bugs.php.net/bug.php?id=17300" target="_blank">17300</a>');
require_once('./libraries/footer.inc.php');
}
}
}
// 3. as a gzipped file
elseif (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));
}
$js_to_run = 'functions.js';
require_once('./libraries/header.inc.php');
if ($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 '</textarea>' . "\n"
. ' </form>' . "\n";
echo '</div>' . "\n";
echo "\n";
?>
<script type="text/javascript" language="javascript">
//<![CDATA[
var bodyWidth=null; var bodyHeight=null;
if (document.getElementById('textSQLDUMP')) {
bodyWidth = self.innerWidth;
bodyHeight = self.innerHeight;
if (!bodyWidth && !bodyHeight) {
if (document.compatMode && document.compatMode == "BackCompat") {
bodyWidth = document.body.clientWidth;
bodyHeight = document.body.clientHeight;
} else if (document.compatMode && document.compatMode == "CSS1Compat") {
bodyWidth = document.documentElement.clientWidth;
bodyHeight = document.documentElement.clientHeight;
}
}
document.getElementById('textSQLDUMP').style.width=(bodyWidth-50) + 'px';
document.getElementById('textSQLDUMP').style.height=(bodyHeight-100) + 'px';
}
//]]>
</script>
<?php
require_once('./libraries/footer.inc.php');
} // end if
?>
|