2 /* vim: set expandtab sw=4 ts=4 sts=4: */
4 * @todo too much die here, or?
10 * Get the variables sent or posted to this script and a core script
12 require_once './libraries/common.inc.php';
13 require_once './libraries/zip.lib.php';
14 require_once './libraries/plugin_interface.lib.php';
16 PMA_checkParameters(array('what', 'export_type'));
19 $export_list = PMA_getPlugins('./libraries/export/', array('export_type' => $export_type, 'single_table' => isset($single_table)));
21 // Backward compatbility
25 if (!isset($export_list[$type])) {
30 * valid compression methods
32 $compression_methods = array(
39 * init and variable checking
43 $save_on_server = false;
44 $buffer_needed = false;
45 if (empty($_REQUEST['asfile'])) {
49 if (in_array($_REQUEST['compression'], $compression_methods)) {
50 $compression = $_REQUEST['compression'];
51 $buffer_needed = true;
53 if (!empty($_REQUEST['onserver'])) {
54 $onserver = $_REQUEST['onserver'];
55 // Will we save dump on server?
56 $save_on_server = ! empty($cfg['SaveDir']) && $onserver;
60 // Does export require to be into file?
61 if (isset($export_list[$type]['force_file']) && ! $asfile) {
62 $message = PMA_Message
::error('strExportMustBeFile');
63 $GLOBALS['js_include'][] = 'functions.js';
64 require_once './libraries/header.inc.php';
65 if ($export_type == 'server') {
66 $active_page = 'server_export.php';
67 require './server_export.php';
68 } elseif ($export_type == 'database') {
69 $active_page = 'db_export.php';
70 require './db_export.php';
72 $active_page = 'tbl_export.php';
73 require './tbl_export.php';
78 // Generate error url and check for needed variables
79 if ($export_type == 'server') {
80 $err_url = 'server_export.php?' . PMA_generate_common_url();
81 } elseif ($export_type == 'database' && strlen($db)) {
82 $err_url = 'db_export.php?' . PMA_generate_common_url($db);
83 // Check if we have something to export
84 if (isset($table_select)) {
85 $tables = $table_select;
89 } elseif ($export_type == 'table' && strlen($db) && strlen($table)) {
90 $err_url = 'tbl_export.php?' . PMA_generate_common_url($db, $table);
92 die('Bad parameters!');
95 // Get the functions specific to the export type
96 require './libraries/export/' . PMA_securePath($type) . '.php';
99 * Increase time limit for script execution and initializes some variables
101 @set_time_limit
($cfg['ExecTimeLimit']);
102 if (!empty($cfg['MemoryLimit'])) {
103 @ini_set
('memory_limit', $cfg['MemoryLimit']);
106 // Start with empty buffer
108 $dump_buffer_len = 0;
110 // We send fake headers to avoid browser timeout when buffering
111 $time_start = time();
115 * Output handler for all exports, if needed buffering, it stores data into
116 * $dump_buffer, otherwise it prints thems out.
118 * @param string the insert statement
120 * @return bool Whether output suceeded
122 function PMA_exportOutputHandler($line)
124 global $time_start, $dump_buffer, $dump_buffer_len, $save_filename;
126 // Kanji encoding convert feature
127 if ($GLOBALS['output_kanji_conversion']) {
128 $line = PMA_kanji_str_conv($line, $GLOBALS['knjenc'], isset($GLOBALS['xkana']) ?
$GLOBALS['xkana'] : '');
130 // If we have to buffer data, we will perform everything at once at the end
131 if ($GLOBALS['buffer_needed']) {
133 $dump_buffer .= $line;
134 if ($GLOBALS['onfly_compression']) {
136 $dump_buffer_len +
= strlen($line);
138 if ($dump_buffer_len > $GLOBALS['memory_limit']) {
139 if ($GLOBALS['output_charset_conversion']) {
140 $dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
143 if ($GLOBALS['compression'] == 'bzip' && @function_exists
('bzcompress')) {
144 $dump_buffer = bzcompress($dump_buffer);
147 elseif ($GLOBALS['compression'] == 'gzip' && @function_exists
('gzencode')) {
148 // without the optional parameter level because it bug
149 $dump_buffer = gzencode($dump_buffer);
151 if ($GLOBALS['save_on_server']) {
152 $write_result = @fwrite
($GLOBALS['file_handle'], $dump_buffer);
153 if (!$write_result ||
($write_result != strlen($dump_buffer))) {
154 $GLOBALS['message'] = PMA_Message
::error('strNoSpace');
155 $GLOBALS['message']->addParam($save_filename);
162 $dump_buffer_len = 0;
166 if ($time_start >= $time_now +
30) {
167 $time_start = $time_now;
168 header('X-pmaPing: Pong');
172 if ($GLOBALS['asfile']) {
173 if ($GLOBALS['output_charset_conversion']) {
174 $line = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $line);
176 if ($GLOBALS['save_on_server'] && strlen($line) > 0) {
177 $write_result = @fwrite
($GLOBALS['file_handle'], $line);
178 if (!$write_result ||
($write_result != strlen($line))) {
179 $GLOBALS['message'] = PMA_Message
::error('strNoSpace');
180 $GLOBALS['message']->addParam($save_filename);
184 if ($time_start >= $time_now +
30) {
185 $time_start = $time_now;
186 header('X-pmaPing: Pong');
189 // We export as file - output normally
193 // We export as html - replace special chars
194 echo htmlspecialchars($line);
198 } // end of the 'PMA_exportOutputHandler()' function
200 // Defines the default <CR><LF> format. For SQL always use \n as MySQL wants this on all platforms.
201 if ($what == 'sql') {
204 $crlf = PMA_whichCrlf();
207 $output_kanji_conversion = function_exists('PMA_kanji_str_conv') && $type != 'xls';
209 // Do we need to convert charset?
210 $output_charset_conversion = $asfile && $cfg['AllowAnywhereRecoding']
211 && isset($charset_of_file) && $charset_of_file != $charset
214 // Use on the fly compression?
215 $onfly_compression = $GLOBALS['cfg']['CompressOnFly'] && ($compression == 'gzip' ||
$compression == 'bzip');
216 if ($onfly_compression) {
217 $memory_limit = trim(@ini_get
('memory_limit'));
219 if (empty($memory_limit)) {
220 $memory_limit = 2 * 1024 * 1024;
223 if (strtolower(substr($memory_limit, -1)) == 'm') {
224 $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
225 } elseif (strtolower(substr($memory_limit, -1)) == 'k') {
226 $memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
227 } elseif (strtolower(substr($memory_limit, -1)) == 'g') {
228 $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024 * 1024;
230 $memory_limit = (int)$memory_limit;
233 // Some of memory is needed for other thins and as treshold.
234 // Nijel: During export I had allocated (see memory_get_usage function)
235 // approx 1.2MB so this comes from that.
236 if ($memory_limit > 1500000) {
237 $memory_limit -= 1500000;
240 // Some memory is needed for compression, assume 1/3
244 // Generate filename and mime type if needed
246 $pma_uri_parts = parse_url($cfg['PmaAbsoluteUri']);
247 if ($export_type == 'server') {
248 if (isset($remember_template)) {
249 PMA_setCookie('pma_server_filename_template', $filename_template);
251 $filename = str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template));
252 } elseif ($export_type == 'database') {
253 if (isset($remember_template)) {
254 PMA_setCookie('pma_db_filename_template', $filename_template);
256 $filename = str_replace('__DB__', $db, str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template)));
258 if (isset($remember_template)) {
259 PMA_setCookie('pma_table_filename_template', $filename_template);
261 $filename = str_replace('__TABLE__', $table, str_replace('__DB__', $db, str_replace('__SERVER__', $GLOBALS['cfg']['Server']['host'], strftime($filename_template))));
264 // convert filename to iso-8859-1, it is safer
265 if (!(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] )) {
266 $filename = PMA_convert_string($charset, 'iso-8859-1', $filename);
268 $filename = PMA_convert_string($convcharset, 'iso-8859-1', $filename);
271 // Grab basic dump extension and mime type
272 $filename .= '.' . $export_list[$type]['extension'];
273 $mime_type = $export_list[$type]['mime_type'];
275 // If dump is going to be compressed, set correct mime_type and add
276 // compression to extension
277 if ($compression == 'bzip') {
279 $mime_type = 'application/x-bzip2';
280 } elseif ($compression == 'gzip') {
282 $mime_type = 'application/x-gzip';
283 } elseif ($compression == 'zip') {
285 $mime_type = 'application/zip';
289 // Open file on server if needed
290 if ($save_on_server) {
291 $save_filename = PMA_userDir($cfg['SaveDir']) . preg_replace('@[/\\\\]@', '_', $filename);
293 if (file_exists($save_filename) && empty($onserverover)) {
294 $message = PMA_Message
::error('strFileAlreadyExists');
295 $message->addParam($save_filename);
297 if (is_file($save_filename) && !is_writable($save_filename)) {
298 $message = PMA_Message
::error('strNoPermission');
299 $message->addParam($save_filename);
301 if (!$file_handle = @fopen
($save_filename, 'w')) {
302 $message = PMA_Message
::error('strNoPermission');
303 $message->addParam($save_filename);
307 if (isset($message)) {
308 $GLOBALS['js_include'][] = 'functions.js';
309 require_once './libraries/header.inc.php';
310 if ($export_type == 'server') {
311 $active_page = 'server_export.php';
312 require './server_export.php';
313 } elseif ($export_type == 'database') {
314 $active_page = 'db_export.php';
315 require './db_export.php';
317 $active_page = 'tbl_export.php';
318 require './tbl_export.php';
325 * Send headers depending on whether the user chose to download a dump file
328 if (!$save_on_server) {
331 // (avoid rewriting data containing HTML with anchors and forms;
332 // this was reported to happen under Plesk)
333 @ini_set
('url_rewriter.tags','');
335 header('Content-Type: ' . $mime_type);
336 header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
337 // lem9: Tested behavior of
339 // IE 6.0.2800.1106 (small glitch, asks twice when I click Open)
343 header('Content-Disposition: attachment; filename="' . $filename . '"');
344 if (PMA_USR_BROWSER_AGENT
== 'IE') {
345 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
346 header('Pragma: public');
348 header('Pragma: no-cache');
349 // test case: exporting a database into a .gz file with Safari
350 // would produce files not having the current time
351 // (added this header for Safari but should not harm other browsers)
352 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
356 if ($export_type == 'database') {
357 $num_tables = count($tables);
358 if ($num_tables == 0) {
359 $message = PMA_Message
::error('strNoTablesFound');
360 $GLOBALS['js_include'][] = 'functions.js';
361 require_once './libraries/header.inc.php';
362 $active_page = 'db_export.php';
363 require './db_export.php';
367 $backup_cfgServer = $cfg['Server'];
368 require_once './libraries/header.inc.php';
369 $cfg['Server'] = $backup_cfgServer;
370 unset($backup_cfgServer);
371 echo "\n" . '<div align="' . $cell_align_left . '">' . "\n";
372 //echo ' <pre>' . "\n";
373 echo ' <form name="nofunction">' . "\n"
374 // remove auto-select for now: there is no way to select
375 // only a part of the text; anyway, it should obey
376 // $cfg['TextareaAutoSelect']
377 //. ' <textarea name="sqldump" cols="50" rows="30" onclick="this.select();" id="textSQLDUMP" wrap="OFF">' . "\n";
378 . ' <textarea name="sqldump" cols="50" rows="30" id="textSQLDUMP" wrap="OFF">' . "\n";
382 // Fake loop just to allow skip of remain of this code by break, I'd really
383 // need exceptions here :-)
386 // Add possibly some comments to export
387 if (!PMA_exportHeader()) {
391 // Will we need relation & co. setup?
392 $do_relation = isset($GLOBALS[$what . '_relation']);
393 $do_comments = isset($GLOBALS[$what . '_comments']);
394 $do_mime = isset($GLOBALS[$what . '_mime']);
395 if ($do_relation ||
$do_comments ||
$do_mime) {
396 require_once './libraries/relation.lib.php';
397 $cfgRelation = PMA_getRelationsParam();
400 require_once './libraries/transformations.lib.php';
403 // Include dates in export?
404 $do_dates = isset($GLOBALS[$what . '_dates']);
409 // Gets the number of tables if a dump of a database has been required
410 if ($export_type == 'server') {
411 if (isset($db_select)) {
412 $tmp_select = implode($db_select, '|');
413 $tmp_select = '|' . $tmp_select . '|';
415 // Walk over databases
416 foreach ($GLOBALS['pma']->databases
as $current_db) {
417 if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $current_db . '|'))
418 ||
!isset($tmp_select)) {
419 if (!PMA_exportDBHeader($current_db)) {
422 if (!PMA_exportDBCreate($current_db)) {
425 $tables = PMA_DBI_get_tables($current_db);
427 foreach ($tables as $table) {
428 // if this is a view, collect it for later; views must be exported
430 $is_view = PMA_Table
::isView($current_db, $table);
434 if (isset($GLOBALS[$what . '_structure'])) {
435 // for a view, export a stand-in definition of the table
436 // to resolve view dependencies
437 if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ?
'stand_in' : 'create_table', $export_type)) {
441 if (isset($GLOBALS[$what . '_data']) && ! $is_view) {
442 $local_query = 'SELECT * FROM ' . PMA_backquote($current_db) . '.' . PMA_backquote($table);
443 if (!PMA_exportData($current_db, $table, $crlf, $err_url, $local_query)) {
447 // now export the triggers (needs to be done after the data because
448 // triggers can modify already imported tables)
449 if (isset($GLOBALS[$what . '_structure'])) {
450 if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
455 foreach($views as $view) {
456 // no data export for a view
457 if (isset($GLOBALS[$what . '_structure'])) {
458 if (!PMA_exportStructure($current_db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'create_view', $export_type)) {
463 if (!PMA_exportDBFooter($current_db)) {
468 } elseif ($export_type == 'database') {
469 if (!PMA_exportDBHeader($db)) {
474 // $tables contains the choices from the user (via $table_select)
475 foreach ($tables as $table) {
476 // if this is a view, collect it for later; views must be exported after
478 $is_view = PMA_Table
::isView($db, $table);
482 if (isset($GLOBALS[$what . '_structure'])) {
483 // for a view, export a stand-in definition of the table
484 // to resolve view dependencies
485 if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ?
'stand_in' : 'create_table', $export_type)) {
489 if (isset($GLOBALS[$what . '_data']) && ! $is_view) {
490 $local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
491 if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
495 // now export the triggers (needs to be done after the data because
496 // triggers can modify already imported tables)
497 if (isset($GLOBALS[$what . '_structure'])) {
498 if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
503 foreach ($views as $view) {
504 // no data export for a view
505 if (isset($GLOBALS[$what . '_structure'])) {
506 if (!PMA_exportStructure($db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'create_view', $export_type)) {
512 if (!PMA_exportDBFooter($db)) {
516 if (!PMA_exportDBHeader($db)) {
519 // We export just one table
520 // $allrows comes from the form when "Dump all rows" has been selected
521 if ($allrows == '0' && $limit_to > 0 && $limit_from >= 0) {
522 $add_query = ' LIMIT '
523 . (($limit_from > 0) ?
$limit_from . ', ' : '')
529 $is_view = PMA_Table
::isView($db, $table);
530 if (isset($GLOBALS[$what . '_structure'])) {
531 if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ?
'create_view' : 'create_table', $export_type)) {
535 // If this is an export of a single view, we have to export data;
536 // for example, a PDF report
537 if (isset($GLOBALS[$what . '_data'])) {
538 if (!empty($sql_query)) {
539 // only preg_replace if needed
540 if (!empty($add_query)) {
541 // remove trailing semicolon before adding a LIMIT
542 $sql_query = preg_replace('%;\s*$%', '', $sql_query);
544 $local_query = $sql_query . $add_query;
545 PMA_DBI_select_db($db);
547 $local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
549 if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
553 // now export the triggers (needs to be done after the data because
554 // triggers can modify already imported tables)
555 if (isset($GLOBALS[$what . '_structure'])) {
556 if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
560 if (!PMA_exportDBFooter($db)) {
564 if (!PMA_exportFooter()) {
571 if ($save_on_server && isset($message)) {
572 $GLOBALS['js_include'][] = 'functions.js';
573 require_once './libraries/header.inc.php';
574 if ($export_type == 'server') {
575 $active_page = 'server_export.php';
576 require './server_export.php';
577 } elseif ($export_type == 'database') {
578 $active_page = 'db_export.php';
579 require './db_export.php';
581 $active_page = 'tbl_export.php';
582 require './tbl_export.php';
588 * Send the dump as a file...
590 if (!empty($asfile)) {
591 // Convert the charset if required.
592 if ($output_charset_conversion) {
593 $dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
596 // Do the compression
597 // 1. as a zipped file
598 if ($compression == 'zip') {
599 if (@function_exists
('gzcompress')) {
600 $zipfile = new zipfile();
601 $zipfile -> addFile($dump_buffer, substr($filename, 0, -4));
602 $dump_buffer = $zipfile -> file();
605 // 2. as a bzipped file
606 elseif ($compression == 'bzip') {
607 if (@function_exists
('bzcompress')) {
608 $dump_buffer = bzcompress($dump_buffer);
611 // 3. as a gzipped file
612 elseif ($compression == 'gzip') {
613 if (@function_exists
('gzencode') && !@ini_get
('zlib.output_compression')) {
614 // without the optional parameter level because it bug
615 $dump_buffer = gzencode($dump_buffer);
619 /* If ve saved on server, we have to close file now */
620 if ($save_on_server) {
621 $write_result = @fwrite
($file_handle, $dump_buffer);
622 fclose($file_handle);
623 if (strlen($dump_buffer) !=0 && (!$write_result ||
($write_result != strlen($dump_buffer)))) {
624 $message = new PMA_Message('strNoSpace', PMA_Message
::ERROR
, $save_filename);
626 $message = new PMA_Message('strDumpSaved', PMA_Message
::SUCCESS
, $save_filename);
629 $GLOBALS['js_include'][] = 'functions.js';
630 require_once './libraries/header.inc.php';
631 if ($export_type == 'server') {
632 $active_page = 'server_export.php';
633 require_once './server_export.php';
634 } elseif ($export_type == 'database') {
635 $active_page = 'db_export.php';
636 require_once './db_export.php';
638 $active_page = 'tbl_export.php';
639 require_once './tbl_export.php';
647 * Displays the dump...
651 * Close the html tags and add the footers in dump is displayed on screen
653 //echo ' </pre>' . "\n";
654 echo '</textarea>' . "\n"
656 echo '</div>' . "\n";
659 <script type
="text/javascript">
661 var bodyWidth
=null; var bodyHeight
=null;
662 if (document
.getElementById('textSQLDUMP')) {
663 bodyWidth
= self
.innerWidth
;
664 bodyHeight
= self
.innerHeight
;
665 if (!bodyWidth
&& !bodyHeight
) {
666 if (document
.compatMode
&& document
.compatMode
== "BackCompat") {
667 bodyWidth
= document
.body
.clientWidth
;
668 bodyHeight
= document
.body
.clientHeight
;
669 } else if (document
.compatMode
&& document
.compatMode
== "CSS1Compat") {
670 bodyWidth
= document
.documentElement
.clientWidth
;
671 bodyHeight
= document
.documentElement
.clientHeight
;
674 document
.getElementById('textSQLDUMP').style
.width
=(bodyWidth
-50) +
'px';
675 document
.getElementById('textSQLDUMP').style
.height
=(bodyHeight
-100) +
'px';
680 require_once './libraries/footer.inc.php';