export.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * @todo    too much die here, or?
   5  * @package phpMyAdmin
   6  */
   7
   8 /**
   9  * Get the variables sent or posted to this script and a core script
  10  */
  11 require_once './libraries/common.inc.php';
  12 require_once './libraries/zip.lib.php';
  13 require_once './libraries/plugin_interface.lib.php';
  14
  15 PMA_checkParameters(array('what', 'export_type'));
  16
  17 // Scan plugins
  18 $export_list = PMA_getPlugins('./libraries/export/', array('export_type' => $export_type, 'single_table' => isset($single_table)));
  19
  20 // Backward compatbility
  21 $type = $what;
  22
  23 // Check export type
  24 if (!isset($export_list[$type])) {
  25     die('Bad type!');
  26 }
  27
  28 /**
  29  * valid compression methods
  30  */
  31 $compression_methods = array(
  32     'zip',
  33     'gzip',
  34     'bzip',
  35 );
  36
  37 /**
  38  * init and variable checking
  39  */
  40 $compression = false;
  41 $onserver = false;
  42 $save_on_server = false;
  43 $buffer_needed = false;
  44
  45 // Is it a quick or custom export?
  46 if($_REQUEST['quick_or_custom'] == 'quick') {
  47     $quick_export = true;
  48 } else {
  49     $quick_export = false;
  50 }
  51
  52 if ($_REQUEST['output_format'] == 'astext') {
  53     $asfile = false;
  54 } else {
  55     $asfile = true;
  56     if (in_array($_REQUEST['compression'], $compression_methods)) {
  57         $compression = $_REQUEST['compression'];
  58         $buffer_needed = true;
  59     }
  60     if (($quick_export && !empty($_REQUEST['quick_export_onserver'])) || (!$quick_export && !empty($_REQUEST['onserver']))) {
  61         if($quick_export) {
  62             $onserver = $_REQUEST['quick_export_onserver'];
  63         } else {
  64             $onserver = $_REQUEST['onserver'];
  65         }
  66         // Will we save dump on server?
  67         $save_on_server = ! empty($cfg['SaveDir']) && $onserver;
  68     }
  69 }
  70
  71 // Does export require to be into file?
  72 if (isset($export_list[$type]['force_file']) && ! $asfile) {
  73     $message = PMA_Message::error(__('Selected export type has to be saved in file!'));
  74     require_once './libraries/header.inc.php';
  75     if ($export_type == 'server') {
  76         $active_page = 'server_export.php';
  77         require './server_export.php';
  78     } elseif ($export_type == 'database') {
  79         $active_page = 'db_export.php';
  80         require './db_export.php';
  81     } else {
  82         $active_page = 'tbl_export.php';
  83         require './tbl_export.php';
  84     }
  85     exit();
  86 }
  87
  88 // Generate error url and check for needed variables
  89 if ($export_type == 'server') {
  90     $err_url = 'server_export.php?' . PMA_generate_common_url();
  91 } elseif ($export_type == 'database' && strlen($db)) {
  92     $err_url = 'db_export.php?' . PMA_generate_common_url($db);
  93     // Check if we have something to export
  94     if (isset($table_select)) {
  95         $tables = $table_select;
  96     } else {
  97         $tables = array();
  98     }
  99 } elseif ($export_type == 'table' && strlen($db) && strlen($table)) {
 100     $err_url = 'tbl_export.php?' . PMA_generate_common_url($db, $table);
 101 } else {
 102     die('Bad parameters!');
 103 }
 104
 105 // Get the functions specific to the export type
 106 require './libraries/export/' . PMA_securePath($type) . '.php';
 107
 108 /**
 109  * Increase time limit for script execution and initializes some variables
 110  */
 111 @set_time_limit($cfg['ExecTimeLimit']);
 112 if (!empty($cfg['MemoryLimit'])) {
 113     @ini_set('memory_limit', $cfg['MemoryLimit']);
 114 }
 115
 116 // Start with empty buffer
 117 $dump_buffer = '';
 118 $dump_buffer_len = 0;
 119
 120 // We send fake headers to avoid browser timeout when buffering
 121 $time_start = time();
 122
 123
 124 /**
 125  * Output handler for all exports, if needed buffering, it stores data into
 126  * $dump_buffer, otherwise it prints thems out.
 127  *
 128  * @param   string  the insert statement
 129  *
 130  * @return  bool    Whether output suceeded
 131  */
 132 function PMA_exportOutputHandler($line)
 133 {
 134     global $time_start, $dump_buffer, $dump_buffer_len, $save_filename;
 135
 136     // Kanji encoding convert feature
 137     if ($GLOBALS['output_kanji_conversion']) {
 138         $line = PMA_kanji_str_conv($line, $GLOBALS['knjenc'], isset($GLOBALS['xkana']) ? $GLOBALS['xkana'] : '');
 139     }
 140     // If we have to buffer data, we will perform everything at once at the end
 141     if ($GLOBALS['buffer_needed']) {
 142
 143         $dump_buffer .= $line;
 144         if ($GLOBALS['onfly_compression']) {
 145
 146             $dump_buffer_len += strlen($line);
 147
 148             if ($dump_buffer_len > $GLOBALS['memory_limit']) {
 149                 if ($GLOBALS['output_charset_conversion']) {
 150                     $dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
 151                 }
 152                 // as bzipped
 153                 if ($GLOBALS['compression'] == 'bzip'  && @function_exists('bzcompress')) {
 154                     $dump_buffer = bzcompress($dump_buffer);
 155                 }
 156                 // as a gzipped file
 157                 elseif ($GLOBALS['compression'] == 'gzip' && @function_exists('gzencode')) {
 158                     // without the optional parameter level because it bug
 159                     $dump_buffer = gzencode($dump_buffer);
 160                 }
 161                 if ($GLOBALS['save_on_server']) {
 162                     $write_result = @fwrite($GLOBALS['file_handle'], $dump_buffer);
 163                     if (!$write_result || ($write_result != strlen($dump_buffer))) {
 164                         $GLOBALS['message'] = PMA_Message::error(__('Insufficient space to save the file %s.'));
 165                         $GLOBALS['message']->addParam($save_filename);
 166                         return false;
 167                     }
 168                 } else {
 169                     echo $dump_buffer;
 170                 }
 171                 $dump_buffer = '';
 172                 $dump_buffer_len = 0;
 173             }
 174         } else {
 175             $time_now = time();
 176             if ($time_start >= $time_now + 30) {
 177                 $time_start = $time_now;
 178                 header('X-pmaPing: Pong');
 179             } // end if
 180         }
 181     } else {
 182         if ($GLOBALS['asfile']) {
 183             if ($GLOBALS['output_charset_conversion']) {
 184                 $line = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $line);
 185             }
 186             if ($GLOBALS['save_on_server'] && strlen($line) > 0) {
 187                 $write_result = @fwrite($GLOBALS['file_handle'], $line);
 188                 if (!$write_result || ($write_result != strlen($line))) {
 189                     $GLOBALS['message'] = PMA_Message::error(__('Insufficient space to save the file %s.'));
 190                     $GLOBALS['message']->addParam($save_filename);
 191                     return false;
 192                 }
 193                 $time_now = time();
 194                 if ($time_start >= $time_now + 30) {
 195                     $time_start = $time_now;
 196                     header('X-pmaPing: Pong');
 197                 } // end if
 198             } else {
 199                 // We export as file - output normally
 200                 echo $line;
 201             }
 202         } else {
 203             // We export as html - replace special chars
 204             echo htmlspecialchars($line);
 205         }
 206     }
 207     return true;
 208 } // end of the 'PMA_exportOutputHandler()' function
 209
 210 // Defines the default <CR><LF> format. For SQL always use \n as MySQL wants this on all platforms.
 211 if ($what == 'sql') {
 212     $crlf = "\n";
 213 } else {
 214     $crlf = PMA_whichCrlf();
 215 }
 216
 217 $output_kanji_conversion = function_exists('PMA_kanji_str_conv') && $type != 'xls';
 218
 219 // Do we need to convert charset?
 220 $output_charset_conversion = $asfile && $GLOBALS['PMA_recoding_engine'] != PMA_CHARSET_NONE
 221     && isset($charset_of_file) && $charset_of_file != $charset
 222     && $type != 'xls';
 223
 224 // Use on the fly compression?
 225 $onfly_compression = $GLOBALS['cfg']['CompressOnFly'] && ($compression == 'gzip' || $compression == 'bzip');
 226 if ($onfly_compression) {
 227     $memory_limit = trim(@ini_get('memory_limit'));
 228     // 2 MB as default
 229     if (empty($memory_limit)) {
 230         $memory_limit = 2 * 1024 * 1024;
 231     }
 232
 233     if (strtolower(substr($memory_limit, -1)) == 'm') {
 234         $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
 235     } elseif (strtolower(substr($memory_limit, -1)) == 'k') {
 236         $memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
 237     } elseif (strtolower(substr($memory_limit, -1)) == 'g') {
 238         $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024 * 1024;
 239     } else {
 240         $memory_limit = (int)$memory_limit;
 241     }
 242
 243     // Some of memory is needed for other thins and as treshold.
 244     // Nijel: During export I had allocated (see memory_get_usage function)
 245     //        approx 1.2MB so this comes from that.
 246     if ($memory_limit > 1500000) {
 247         $memory_limit -= 1500000;
 248     }
 249
 250     // Some memory is needed for compression, assume 1/3
 251     $memory_limit /= 8;
 252 }
 253
 254 // Generate filename and mime type if needed
 255 if ($asfile) {
 256     $pma_uri_parts = parse_url($cfg['PmaAbsoluteUri']);
 257     if ($export_type == 'server') {
 258         if (isset($remember_template)) {
 259             $GLOBALS['PMA_Config']->setUserValue('pma_server_filename_template',
 260                 'Export/file_template_server', $filename_template);
 261         }
 262     } elseif ($export_type == 'database') {
 263         if (isset($remember_template)) {
 264             $GLOBALS['PMA_Config']->setUserValue('pma_db_filename_template',
 265                 'Export/file_template_database', $filename_template);
 266         }
 267     } else {
 268         if (isset($remember_template)) {
 269             $GLOBALS['PMA_Config']->setUserValue('pma_table_filename_template',
 270                 'Export/file_template_table', $filename_template);
 271         }
 272     }
 273     $filename = PMA_expandUserString($filename_template);
 274     $filename = PMA_sanitize_filename($filename);
 275
 276     // Grab basic dump extension and mime type
 277     // Check if the user already added extension; get the substring where the extension would be if it was included
 278     $extension_start_pos = strlen($filename) - strlen($export_list[$type]['extension']) - 1;
 279     $user_extension = substr($filename, $extension_start_pos, strlen($filename));
 280     $required_extension = "." . $export_list[$type]['extension'];
 281     if(strtolower($user_extension) != $required_extension) {
 282         $filename  .= $required_extension;
 283     }
 284     $mime_type  = $export_list[$type]['mime_type'];
 285
 286     // If dump is going to be compressed, set correct mime_type and add
 287     // compression to extension
 288     if ($compression == 'bzip') {
 289         $filename  .= '.bz2';
 290         $mime_type = 'application/x-bzip2';
 291     } elseif ($compression == 'gzip') {
 292         $filename  .= '.gz';
 293         $mime_type = 'application/x-gzip';
 294     } elseif ($compression == 'zip') {
 295         $filename  .= '.zip';
 296         $mime_type = 'application/zip';
 297     }
 298 }
 299
 300 // Open file on server if needed
 301 if ($save_on_server) {
 302     $save_filename = PMA_userDir($cfg['SaveDir']) . preg_replace('@[/\\\\]@', '_', $filename);
 303     unset($message);
 304     if (file_exists($save_filename) && ((!$quick_export && empty($onserverover)) || ($quick_export && $_REQUEST['quick_export_onserverover'] != 'saveitover'))) {
 305         $message = PMA_Message::error(__('File %s already exists on server, change filename or check overwrite option.'));
 306         $message->addParam($save_filename);
 307     } else {
 308         if (is_file($save_filename) && !is_writable($save_filename)) {
 309             $message = PMA_Message::error(__('The web server does not have permission to save the file %s.'));
 310             $message->addParam($save_filename);
 311         } else {
 312             if (!$file_handle = @fopen($save_filename, 'w')) {
 313                 $message = PMA_Message::error(__('The web server does not have permission to save the file %s.'));
 314                 $message->addParam($save_filename);
 315             }
 316         }
 317     }
 318     if (isset($message)) {
 319         require_once './libraries/header.inc.php';
 320         if ($export_type == 'server') {
 321             $active_page = 'server_export.php';
 322             require './server_export.php';
 323         } elseif ($export_type == 'database') {
 324             $active_page = 'db_export.php';
 325             require './db_export.php';
 326         } else {
 327             $active_page = 'tbl_export.php';
 328             require './tbl_export.php';
 329         }
 330         exit();
 331     }
 332 }
 333
 334 /**
 335  * Send headers depending on whether the user chose to download a dump file
 336  * or not
 337  */
 338 if (!$save_on_server) {
 339     if ($asfile) {
 340         // Download
 341         // (avoid rewriting data containing HTML with anchors and forms;
 342         // this was reported to happen under Plesk)
 343         @ini_set('url_rewriter.tags','');
 344         $filename = PMA_sanitize_filename($filename);
 345
 346         header('Content-Type: ' . $mime_type);
 347         header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
 348         // Tested behavior of
 349         //       IE 5.50.4807.2300
 350         //       IE 6.0.2800.1106 (small glitch, asks twice when I click Open)
 351         //       IE 6.0.2900.2180
 352         //       Firefox 1.0.6
 353         // in http and https
 354         header('Content-Disposition: attachment; filename="' . $filename . '"');
 355         if (PMA_USR_BROWSER_AGENT == 'IE') {
 356             header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 357             header('Pragma: public');
 358         } else {
 359             header('Pragma: no-cache');
 360             // test case: exporting a database into a .gz file with Safari
 361             // would produce files not having the current time
 362             // (added this header for Safari but should not harm other browsers)
 363             header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
 364         }
 365     } else {
 366         // HTML
 367         if ($export_type == 'database') {
 368             $num_tables = count($tables);
 369             if ($num_tables == 0) {
 370                 $message = PMA_Message::error(__('No tables found in database.'));
 371                 require_once './libraries/header.inc.php';
 372                 $active_page = 'db_export.php';
 373                 require './db_export.php';
 374                 exit();
 375             }
 376         }
 377         $backup_cfgServer = $cfg['Server'];
 378         require_once './libraries/header.inc.php';
 379         $cfg['Server'] = $backup_cfgServer;
 380         unset($backup_cfgServer);
 381         echo "\n" . '<div align="' . $cell_align_left . '">' . "\n";
 382         //echo '    <pre>' . "\n";
 383
 384         /**
 385          * Displays a back button with all the $_REQUEST data in the URL (store in a variable to also display after the textarea)
 386          */
 387          $back_button = '<p>[ <a href="';
 388         if ($export_type == 'server') {
 389            $back_button .= 'server_export.php?' . PMA_generate_common_url();
 390          } elseif ($export_type == 'database') {
 391             $back_button .= 'db_export.php?' . PMA_generate_common_url($db);
 392         } else {
 393             $back_button .= 'tbl_export.php?' . PMA_generate_common_url($db, $table);
 394         }
 395
 396         // Convert the multiple select elements from an array to a string
 397         if($export_type == 'server' && isset($_REQUEST['db_select'])) {
 398             $_REQUEST['db_select'] = implode(",", $_REQUEST['db_select']);
 399         } elseif($export_type == 'database' && isset($_REQUEST['table_select'])) {
 400             $_REQUEST['table_select'] = implode(",", $_REQUEST['table_select']);
 401         }
 402
 403         foreach($_REQUEST as $name => $value) {
 404             $back_button .= '&' . urlencode($name) . '=' . urlencode($value);
 405         }
 406         $back_button .= '&repopulate=1">Back</a> ]</p>';
 407
 408         echo $back_button;
 409         echo '    <form name="nofunction">' . "\n"
 410            // remove auto-select for now: there is no way to select
 411            // only a part of the text; anyway, it should obey
 412            // $cfg['TextareaAutoSelect']
 413            //. '        <textarea name="sqldump" cols="50" rows="30" onclick="this.select();" id="textSQLDUMP" wrap="OFF">' . "\n";
 414            . '        <textarea name="sqldump" cols="50" rows="30" id="textSQLDUMP" wrap="OFF">' . "\n";
 415     } // end download
 416 }
 417
 418 // Fake loop just to allow skip of remain of this code by break, I'd really
 419 // need exceptions here :-)
 420 do {
 421
 422 // Add possibly some comments to export
 423 if (!PMA_exportHeader()) {
 424     break;
 425 }
 426
 427 // Will we need relation & co. setup?
 428 $do_relation = isset($GLOBALS[$what . '_relation']);
 429 $do_comments = isset($GLOBALS[$what . '_include_comments']);
 430 $do_mime     = isset($GLOBALS[$what . '_mime']);
 431 if ($do_relation || $do_comments || $do_mime) {
 432     $cfgRelation = PMA_getRelationsParam();
 433 }
 434 if ($do_mime) {
 435     require_once './libraries/transformations.lib.php';
 436 }
 437
 438 // Include dates in export?
 439 $do_dates   = isset($GLOBALS[$what . '_dates']);
 440
 441 /**
 442  * Builds the dump
 443  */
 444 // Gets the number of tables if a dump of a database has been required
 445 if ($export_type == 'server') {
 446     if (isset($db_select)) {
 447         $tmp_select = implode($db_select, '|');
 448         $tmp_select = '|' . $tmp_select . '|';
 449     }
 450     // Walk over databases
 451     foreach ($GLOBALS['pma']->databases as $current_db) {
 452         if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $current_db . '|'))
 453             || !isset($tmp_select)) {
 454             if (!PMA_exportDBHeader($current_db)) {
 455                 break 2;
 456             }
 457             if (!PMA_exportDBCreate($current_db)) {
 458                 break 2;
 459             }
 460             if (function_exists('PMA_exportRoutines') && strpos($GLOBALS['sql_structure_or_data'], 'structure') !== false && isset($GLOBALS['sql_procedure_function'])) {
 461                 PMA_exportRoutines($current_db);
 462             }
 463
 464             $tables = PMA_DBI_get_tables($current_db);
 465             $views = array();
 466             foreach ($tables as $table) {
 467                 // if this is a view, collect it for later; views must be exported
 468                 // after the tables
 469                 $is_view = PMA_Table::isView($current_db, $table);
 470                 if ($is_view) {
 471                     $views[] = $table;
 472                 }
 473                 if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 474                     // for a view, export a stand-in definition of the table
 475                     // to resolve view dependencies
 476                     if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ? 'stand_in' : 'create_table', $export_type)) {
 477                         break 3;
 478                     }
 479                 }
 480                 // if this is a view or a merge table, don't export data
 481                 if (($GLOBALS[$what . '_structure_or_data'] == 'data' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') && !($is_view || PMA_Table::isMerge($current_db, $table))) {
 482                     $local_query  = 'SELECT * FROM ' . PMA_backquote($current_db) . '.' . PMA_backquote($table);
 483                     if (!PMA_exportData($current_db, $table, $crlf, $err_url, $local_query)) {
 484                         break 3;
 485                     }
 486                 }
 487                 // now export the triggers (needs to be done after the data because
 488                 // triggers can modify already imported tables)
 489                 if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 490                     if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
 491                         break 2;
 492                     }
 493                 }
 494             }
 495             foreach($views as $view) {
 496                 // no data export for a view
 497                 if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 498                     if (!PMA_exportStructure($current_db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'create_view', $export_type)) {
 499                         break 3;
 500                     }
 501                 }
 502             }
 503             if (!PMA_exportDBFooter($current_db)) {
 504                 break 2;
 505             }
 506         }
 507     }
 508 } elseif ($export_type == 'database') {
 509     if (!PMA_exportDBHeader($db)) {
 510         break;
 511     }
 512
 513     if (function_exists('PMA_exportRoutines') && strpos($GLOBALS['sql_structure_or_data'], 'structure') !== false && isset($GLOBALS['sql_procedure_function'])) {
 514             PMA_exportRoutines($db);
 515     }
 516
 517     $i = 0;
 518     $views = array();
 519     // $tables contains the choices from the user (via $table_select)
 520     foreach ($tables as $table) {
 521         // if this is a view, collect it for later; views must be exported after
 522         // the tables
 523         $is_view = PMA_Table::isView($db, $table);
 524         if ($is_view) {
 525             $views[] = $table;
 526         }
 527         if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 528             // for a view, export a stand-in definition of the table
 529             // to resolve view dependencies
 530             if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ? 'stand_in' : 'create_table', $export_type)) {
 531                 break 2;
 532             }
 533         }
 534         // if this is a view or a merge table, don't export data
 535         if (($GLOBALS[$what . '_structure_or_data'] == 'data' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') && !($is_view || PMA_Table::isMerge($db, $table))) {
 536             $local_query  = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
 537             if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
 538                 break 2;
 539             }
 540         }
 541         // now export the triggers (needs to be done after the data because
 542         // triggers can modify already imported tables)
 543         if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 544             if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
 545                 break 2;
 546             }
 547         }
 548     }
 549     foreach ($views as $view) {
 550         // no data export for a view
 551         if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 552             if (!PMA_exportStructure($db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'create_view', $export_type)) {
 553                 break 2;
 554             }
 555         }
 556     }
 557
 558     if (!PMA_exportDBFooter($db)) {
 559         break;
 560     }
 561 } else {
 562     if (!PMA_exportDBHeader($db)) {
 563         break;
 564     }
 565     // We export just one table
 566     // $allrows comes from the form when "Dump all rows" has been selected
 567     if ($allrows == '0' && $limit_to > 0 && $limit_from >= 0) {
 568         $add_query  = ' LIMIT '
 569                     . (($limit_from > 0) ? $limit_from . ', ' : '')
 570                     . $limit_to;
 571     } else {
 572         $add_query  = '';
 573     }
 574
 575     $is_view = PMA_Table::isView($db, $table);
 576     if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 577         if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, $is_view ? 'create_view' : 'create_table', $export_type)) {
 578             break;
 579         }
 580     }
 581     // If this is an export of a single view, we have to export data;
 582     // for example, a PDF report
 583     // if it is a merge table, no data is exported
 584     if (($GLOBALS[$what . '_structure_or_data'] == 'data' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') && ! PMA_Table::isMerge($db, $table)) {
 585         if (!empty($sql_query)) {
 586             // only preg_replace if needed
 587             if (!empty($add_query)) {
 588                 // remove trailing semicolon before adding a LIMIT
 589                 $sql_query = preg_replace('%;\s*$%', '', $sql_query);
 590             }
 591             $local_query = $sql_query . $add_query;
 592             PMA_DBI_select_db($db);
 593         } else {
 594             $local_query  = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
 595         }
 596         if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
 597             break;
 598         }
 599     }
 600     // now export the triggers (needs to be done after the data because
 601     // triggers can modify already imported tables)
 602     if ($GLOBALS[$what . '_structure_or_data'] == 'structure' || $GLOBALS[$what . '_structure_or_data'] == 'structure_and_data') {
 603         if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates, 'triggers', $export_type)) {
 604             break 2;
 605         }
 606     }
 607     if (!PMA_exportDBFooter($db)) {
 608         break;
 609     }
 610 }
 611 if (!PMA_exportFooter()) {
 612     break;
 613 }
 614
 615 } while (false);
 616 // End of fake loop
 617
 618 if ($save_on_server && isset($message)) {
 619     require_once './libraries/header.inc.php';
 620     if ($export_type == 'server') {
 621         $active_page = 'server_export.php';
 622         require './server_export.php';
 623     } elseif ($export_type == 'database') {
 624         $active_page = 'db_export.php';
 625         require './db_export.php';
 626     } else {
 627         $active_page = 'tbl_export.php';
 628         require './tbl_export.php';
 629     }
 630     exit();
 631 }
 632
 633 /**
 634  * Send the dump as a file...
 635  */
 636 if (!empty($asfile)) {
 637     // Convert the charset if required.
 638     if ($output_charset_conversion) {
 639         $dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
 640     }
 641
 642     // Do the compression
 643     // 1. as a zipped file
 644     if ($compression == 'zip') {
 645         if (@function_exists('gzcompress')) {
 646             $zipfile = new zipfile();
 647             $zipfile -> addFile($dump_buffer, substr($filename, 0, -4));
 648             $dump_buffer = $zipfile -> file();
 649         }
 650     }
 651     // 2. as a bzipped file
 652     elseif ($compression == 'bzip') {
 653         if (@function_exists('bzcompress')) {
 654             $dump_buffer = bzcompress($dump_buffer);
 655         }
 656     }
 657     // 3. as a gzipped file
 658     elseif ($compression == 'gzip') {
 659         if (@function_exists('gzencode') && !@ini_get('zlib.output_compression')) {
 660             // without the optional parameter level because it bug
 661             $dump_buffer = gzencode($dump_buffer);
 662         }
 663     }
 664
 665     /* If ve saved on server, we have to close file now */
 666     if ($save_on_server) {
 667         $write_result = @fwrite($file_handle, $dump_buffer);
 668         fclose($file_handle);
 669         if (strlen($dump_buffer) !=0 && (!$write_result || ($write_result != strlen($dump_buffer)))) {
 670             $message = new PMA_Message(__('Insufficient space to save the file %s.'), PMA_Message::ERROR, $save_filename);
 671         } else {
 672             $message = new PMA_Message(__('Dump has been saved to file %s.'), PMA_Message::SUCCESS, $save_filename);
 673         }
 674
 675         require_once './libraries/header.inc.php';
 676         if ($export_type == 'server') {
 677             $active_page = 'server_export.php';
 678             require_once './server_export.php';
 679         } elseif ($export_type == 'database') {
 680             $active_page = 'db_export.php';
 681             require_once './db_export.php';
 682         } else {
 683             $active_page = 'tbl_export.php';
 684             require_once './tbl_export.php';
 685         }
 686         exit();
 687     } else {
 688         echo $dump_buffer;
 689     }
 690 }
 691 /**
 692  * Displays the dump...
 693  */
 694 else {
 695     /**
 696      * Close the html tags and add the footers in dump is displayed on screen
 697      */
 698     echo '</textarea>' . "\n"
 699        . '    </form>' . "\n";
 700     echo $back_button;
 701
 702     echo "\n";
 703     echo '</div>' . "\n";
 704     echo "\n";
 705 ?>
 706 <script type="text/javascript">
 707 //<![CDATA[
 708     var bodyWidth=null; var bodyHeight=null;
 709     if (document.getElementById('textSQLDUMP')) {
 710         bodyWidth  = self.innerWidth;
 711         bodyHeight = self.innerHeight;
 712         if (!bodyWidth && !bodyHeight) {
 713             if (document.compatMode && document.compatMode == "BackCompat") {
 714                 bodyWidth  = document.body.clientWidth;
 715                 bodyHeight = document.body.clientHeight;
 716             } else if (document.compatMode && document.compatMode == "CSS1Compat") {
 717                 bodyWidth  = document.documentElement.clientWidth;
 718                 bodyHeight = document.documentElement.clientHeight;
 719             }
 720         }
 721         document.getElementById('textSQLDUMP').style.width=(bodyWidth-50) + 'px';
 722         document.getElementById('textSQLDUMP').style.height=(bodyHeight-100) + 'px';
 723     }
 724 //]]>
 725 </script>
 726 <?php
 727     require './libraries/footer.inc.php';
 728 } // end if
 729 ?>