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php爱好者> php文档>php代码:备份、恢复sql数据库

php代码:备份、恢复sql数据库

时间:2006-01-23  来源:wleige


require('includes/application_top.php');
if ($HTTP_GET_VARS['action']) {
  switch ($HTTP_GET_VARS['action']) {
    case 'forget':
    tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key = 'DB_LAST_RESTORE'");
    $messageStack->add_session(SUCCESS_LAST_RESTORE_CLEARED, 'success');
    tep_redirect(tep_href_link(FILENAME_BACKUP));
    break;
    case 'backupnow':
    tep_set_time_limit(0);
    $schema = '# citespa, Open Source E-Commerce Solutions' . "\n" .
            '# http://www.XXXXXX.com' . "\n" .
            '#' . "\n" .
            '# Database Backup For ' . STORE_NAME . "\n" .
            '# Copyright (c) ' . date('Y') . ' ' . STORE_OWNER . "\n" .
            '#' . "\n" .
            '# Database: ' . DB_DATABASE . "\n" .
            '# Database Server: ' . DB_SERVER . "\n" .
            '#' . "\n" .
            '# Backup Date: ' . date(PHP_DATE_TIME_FORMAT) . "\n\n";
    $tables_query = tep_db_query('show tables');
    while ($tables = tep_db_fetch_array($tables_query)) {
      list(,$table) = each($tables);
      $schema .= 'drop table if exists ' . $table . ';' . "\n" .
              'create table ' . $table . ' (' . "\n";
      $table_list = array();
      $fields_query = tep_db_query("show fields from " . $table);
      while ($fields = tep_db_fetch_array($fields_query)) {
        $table_list[] = $fields['Field'];
        $schema .= ' ' . $fields['Field'] . ' ' . $fields['Type'];
        if (strlen($fields['Default']) > 0) $schema .= ' default '' . $fields['Default'] . ''';
        if ($fields['Null'] != 'YES') $schema .= ' not null';
        if (isset($fields['Extra'])) $schema .= ' ' . $fields['Extra'];
        $schema .= ',' . "\n";
      }
      $schema = ereg_replace(",\n$", '', $schema);
      // Add the keys
      $index = array();
      $keys_query = tep_db_query("show keys from " . $table);
      while ($keys = tep_db_fetch_array($keys_query)) {
        $kname = $keys['Key_name'];
        if (!isset($index[$kname])) {
        $index[$kname] = array('unique' => !$keys['Non_unique'],
                        'columns' => array());
        }
        $index[$kname]['columns'][] = $keys['Column_name'];
      }
      while (list($kname, $info) = each($index)) {
        $schema .= ',' . "\n";
        $columns = implode($info['columns'], ', ');
        if ($kname == 'PRIMARY') {
        $schema .= ' PRIMARY KEY (' . $columns . ')';
        } elseif ($info['unique']) {
        $schema .= ' UNIQUE ' . $kname . ' (' . $columns . ')';
        } else {
        $schema .= ' KEY ' . $kname . ' (' . $columns . ')';
        }
      }
      $schema .= "\n" . ');' . "\n\n";
      // Dump the data
      $rows_query = tep_db_query("select " . implode(',', $table_list) . " from " . $table);
      while ($rows = tep_db_fetch_array($rows_query)) {
        $schema_insert = 'insert into ' . $table . ' (' . implode(', ', $table_list) . ') values (';
        reset($table_list);
        while (list(,$i) = each($table_list)) {
        if (!isset($rows[$i])) {
          $schema_insert .= 'NULL, ';
        } elseif ($rows[$i] != '') {
          $row = addslashes($rows[$i]);
          $row = ereg_replace("\n#", "\n".'#', $row);
          $schema_insert .= ''' . $row . '', ';
        } else {
          $schema_insert .= ''', ';
        }
        }
        $schema_insert = ereg_replace(', $', '', $schema_insert) . ');' . "\n";
        $schema .= $schema_insert;
      }
      $schema .= "\n";
    }
    if ($HTTP_POST_VARS['download'] == 'yes') {
      $backup_file = 'db_' . DB_DATABASE . '-' . date('YmdHis') . '.sql';
      switch ($HTTP_POST_VARS['compress']) {
        case 'no':
        header('Content-type: application/x-octet-stream');
        header('Content-disposition: attachment; filename=' . $backup_file);
        echo $schema;
        exit;
        break;
        case 'gzip':
        if ($fp = fopen(DIR_FS_BACKUP . $backup_file, 'w')) {
          fputs($fp, $schema);
          fclose($fp);
          exec(LOCAL_EXE_GZIP . ' ' . DIR_FS_BACKUP . $backup_file);
          $backup_file .= '.gz';
        }
        if ($fp = fopen(DIR_FS_BACKUP . $backup_file, 'rb')) {
          $buffer = fread($fp, filesize(DIR_FS_BACKUP . $backup_file));
          fclose($fp);
          unlink(DIR_FS_BACKUP . $backup_file);
          header('Content-type: application/x-octet-stream');
          header('Content-disposition: attachment; filename=' . $backup_file);
          echo $buffer;
          exit;
        }
        break;
        case 'zip':
        if ($fp = fopen(DIR_FS_BACKUP . $backup_file, 'w')) {
          fputs($fp, $schema);
          fclose($fp);
          exec(LOCAL_EXE_ZIP . ' -j ' . DIR_FS_BACKUP . $backup_file . '.zip ' . DIR_FS_BACKUP . $backup_file);
          unlink(DIR_FS_BACKUP . $backup_file);
          $backup_file .= '.zip';
        }
        if ($fp = fopen(DIR_FS_BACKUP . $backup_file, 'rb')) {
          $buffer = fread($fp, filesize(DIR_FS_BACKUP . $backup_file));
          fclose($fp);
          unlink(DIR_FS_BACKUP . $backup_file);
          header('Content-type: application/x-octet-stream');
          header('Content-disposition: attachment; filename=' . $backup_file);
          echo $buffer;
          exit;
        }
      }
    } else {
      $backup_file = DIR_FS_BACKUP . 'db_' . DB_DATABASE . '-' . date('YmdHis') . '.sql';
      if ($fp = fopen($backup_file, 'w')) {
        fputs($fp, $schema);
        fclose($fp);
        switch ($HTTP_POST_VARS['compress']) {
        case 'gzip':
          exec(LOCAL_EXE_GZIP . ' ' . $backup_file);
          break;
        case 'zip':
          exec(LOCAL_EXE_ZIP . ' -j ' . $backup_file . '.zip ' . $backup_file);
          unlink($backup_file);
        }
      }
      $messageStack->add_session(SUCCESS_DATABASE_SAVED, 'success');
      tep_redirect(tep_href_link(FILENAME_BACKUP));
    }
    break;
    case 'restorenow':
    case 'restorelocalnow':
    tep_set_time_limit(0);
    if ($HTTP_GET_VARS['action'] == 'restorenow') {
      $read_from = $HTTP_GET_VARS['file'];
      if (file_exists(DIR_FS_BACKUP . $HTTP_GET_VARS['file'])) {
        $restore_file = DIR_FS_BACKUP . $HTTP_GET_VARS['file'];
        $extension = substr($HTTP_GET_VARS['file'], -3);
        if ( ($extension == 'sql') || ($extension == '.gz') || ($extension == 'zip') ) {
        switch ($extension) {
          case 'sql':
            $restore_from = $restore_file;
            $remove_raw = false;
            break;
          case '.gz':
            $restore_from = substr($restore_file, 0, -3);
            exec(LOCAL_EXE_GUNZIP . ' ' . $restore_file . ' -c > ' . $restore_from);
            $remove_raw = true;
            break;
          case 'zip':
            $restore_from = substr($restore_file, 0, -4);
            exec(LOCAL_EXE_UNZIP . ' ' . $restore_file . ' -d ' . DIR_FS_BACKUP);
            $remove_raw = true;
        }
        if ( ($restore_from) && (file_exists($restore_from)) && (filesize($restore_from) > 15000) ) {
          $fd = fopen($restore_from, 'rb');
          $restore_query = fread($fd, filesize($restore_from));
          fclose($fd);
        }
        }
      }
    } elseif ($HTTP_GET_VARS['action'] == 'restorelocalnow') {
      if ($HTTP_POST_FILES['sql_file']) {
        $uploaded_file = $HTTP_POST_FILES['sql_file']['tmp_name'];
        $read_from = basename($HTTP_POST_FILES['sql_file']['name']);
      } elseif ($HTTP_POST_VARS['sql_file']) {
        $uploaded_file = $HTTP_POST_VARS['sql_file'];
        $read_from = basename($HTTP_POST_VARS['sql_file_name']);
      } else {
        $uploaded_file = $sql_file;
        $read_from = basename($sql_file_name);
      }
      if ($uploaded_file != 'none') {
        if (tep_is_uploaded_file($uploaded_file)) {
        $restore_query = fread(fopen($uploaded_file, 'r'), filesize($uploaded_file));
        }
      }
    }
    if ($restore_query) {
      $sql_array = array();
      $sql_length = strlen($restore_query);
      $pos = strpos($restore_query, ';');
      for ($i=$pos; $i
      $tables_query = tep_db_query('show tables');
      while ($tables = tep_db_fetch_array($tables_query)) {
        list(,$table) = each($tables);
        tep_db_query("drop table " . $table);
      }
      for ($i=0; $i
      tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key = 'DB_LAST_RESTORE'");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " values ('', 'Last Database Restore', 'DB_LAST_RESTORE', '" . $read_from . "', 'Last database restore file', '6', '', '', now(), '', '')");
      if ($remove_raw) {
        unlink($restore_from);
      }
    }
    $messageStack->add_session(SUCCESS_DATABASE_RESTORED, 'success');
    tep_redirect(tep_href_link(FILENAME_BACKUP));
    break;
    case 'download':
    $extension = substr($HTTP_GET_VARS['file'], -3);
    if ( ($extension == 'zip') || ($extension == '.gz') || ($extension == 'sql') ) {
      if ($fp = fopen(DIR_FS_BACKUP . $HTTP_GET_VARS['file'], 'rb')) {
        $buffer = fread($fp, filesize(DIR_FS_BACKUP . $HTTP_GET_VARS['file']));
        fclose($fp);
        header('Content-type: application/x-octet-stream');
        header('Content-disposition: attachment; filename=' . $HTTP_GET_VARS['file']);
        echo $buffer;
        exit;
      }
    } else {
      $messageStack->add(ERROR_DOWNLOAD_LINK_NOT_ACCEPTABLE, 'error');
    }
    break;
    case 'deleteconfirm':
    if (strstr($HTTP_GET_VARS['file'], '..')) tep_redirect(tep_href_link(FILENAME_BACKUP));
    tep_remove(DIR_FS_BACKUP . '/' . $HTTP_GET_VARS['file']);
    if (!$tep_remove_error) {
      $messageStack->add_session(SUCCESS_BACKUP_DELETED, 'success');
      tep_redirect(tep_href_link(FILENAME_BACKUP));
    }
    break;
  }
}
// check if the backup directory exists
$dir_ok = false;
if (is_dir(DIR_FS_BACKUP)) {
  $dir_ok = true;
  if (!is_writeable(DIR_FS_BACKUP)) $messageStack->add(ERROR_BACKUP_DIRECTORY_NOT_WRITEABLE, 'error');
} else {
  $messageStack->add(ERROR_BACKUP_DIRECTORY_DOES_NOT_EXIST, 'error');
}
?>
>
">
  " valign="top">" cellspacing="1" cellpadding="1" class="columnLeft">
  
  
   
   
      
        
        
      
   
   
   
   
      
        
        
         
         
         
           
        
read()) {
    if (!is_dir(DIR_FS_BACKUP . $file)) {
    $contents[] = $file;
    }
  }
  sort($contents);
  for ($files=0; $files
    $check = 0;
    if (((!$HTTP_GET_VARS['file']) || ($HTTP_GET_VARS['file'] == $entry)) && (!$buInfo) && ($HTTP_GET_VARS['action'] != 'backup') && ($HTTP_GET_VARS['action'] != 'restorelocal')) {
    $file_array['file'] = $entry;
    $file_array['date'] = date(PHP_DATE_TIME_FORMAT, filemtime(DIR_FS_BACKUP . $entry));
    $file_array['size'] = number_format(filesize(DIR_FS_BACKUP . $entry)) . ' bytes';
    switch (substr($entry, -3)) {
      case 'zip': $file_array['compression'] = 'ZIP'; break;
      case '.gz': $file_array['compression'] = 'GZIP'; break;
      default: $file_array['compression'] = TEXT_NO_EXTENSION; break;
    }
    $buInfo = new objectInfo($file_array);
    }
    if (is_object($buInfo) && ($entry == $buInfo->file)) {
    echo '         ' . "\n";
    $onclick_link = 'file=' . $buInfo->file . '&action=restore';
    } else {
    echo '         ' . "\n";
    $onclick_link = 'file=' . $entry;
    }
?>
          ' . tep_image(DIR_WS_ICONS . 'file_download.gif', ICON_FILE_DOWNLOAD) . ' ' . $entry; ?>
         
           bytes
          file) ) { echo tep_image(DIR_WS_IMAGES . 'icon_arrow_right.gif', ''); } else { echo '' . tep_image(DIR_WS_IMAGES . 'icon_info.gif', IMAGE_ICON_INFO) . ''; } ?>
        
close();
}
?>
        
         
          ' . tep_image_button('button_backup.gif', IMAGE_BACKUP) . ''; if ( ($HTTP_GET_VARS['action'] != 'restorelocal') && ($dir) ) echo ' ' . tep_image_button('button_restore.gif', IMAGE_RESTORE) . ''; ?>
        
        
          ' . TEXT_FORGET . ''; ?>
        
        
'' . TEXT_INFO_HEADING_NEW_BACKUP . '');
    $contents = array('form' => tep_draw_form('backup', FILENAME_BACKUP, 'action=backupnow'));
    $contents[] = array('text' => TEXT_INFO_NEW_BACKUP);
    if ($messageStack->size > 0) {
    $contents[] = array('text' => '
' . tep_draw_radio_field('compress', 'no', true) . ' ' . TEXT_INFO_USE_NO_COMPRESSION);
    $contents[] = array('text' => '
' . tep_draw_radio_field('download', 'yes', true) . ' ' . TEXT_INFO_DOWNLOAD_ONLY . '*
*' . TEXT_INFO_BEST_THROUGH_HTTPS);
    } else {
    $contents[] = array('text' => '
' . tep_draw_radio_field('compress', 'gzip', true) . ' ' . TEXT_INFO_USE_GZIP);
    $contents[] = array('text' => tep_draw_radio_field('compress', 'zip') . ' ' . TEXT_INFO_USE_ZIP);
    $contents[] = array('text' => tep_draw_radio_field('compress', 'no') . ' ' . TEXT_INFO_USE_NO_COMPRESSION);
    $contents[] = array('text' => '
' . tep_draw_checkbox_field('download', 'yes') . ' ' . TEXT_INFO_DOWNLOAD_ONLY . '*
*' . TEXT_INFO_BEST_THROUGH_HTTPS);
    }
    $contents[] = array('align' => 'center', 'text' => '
' . tep_image_submit('button_backup.gif', IMAGE_BACKUP) . ' ' . tep_image_button('button_cancel.gif', IMAGE_CANCEL) . '');
    break;
  case 'restore':
    $heading[] = array('text' => '' . $buInfo->date . '');
    $contents[] = array('text' => tep_break_string(sprintf(TEXT_INFO_RESTORE, DIR_FS_BACKUP . (($buInfo->compression != TEXT_NO_EXTENSION) ? substr($buInfo->file, 0, strrpos($buInfo->file, '.')) : $buInfo->file), ($buInfo->compression != TEXT_NO_EXTENSION) ? TEXT_INFO_UNPACK : ''), 35, ' '));
    $contents[] = array('align' => 'center', 'text' => '
file . '&action=restorenow') . '">' . tep_image_button('button_restore.gif', IMAGE_RESTORE) . ' file) . '">' . tep_image_button('button_cancel.gif', IMAGE_CANCEL) . '');
    break;
  case 'restorelocal':
    $heading[] = array('text' => '' . TEXT_INFO_HEADING_RESTORE_LOCAL . '');
    $contents = array('form' => tep_draw_form('restore', FILENAME_BACKUP, 'action=restorelocalnow', 'post', 'enctype="multipart/form-data"'));
    $contents[] = array('text' => TEXT_INFO_RESTORE_LOCAL . '
' . TEXT_INFO_BEST_THROUGH_HTTPS);
    $contents[] = array('text' => '
' . tep_draw_file_field('sql_file'));
    $contents[] = array('text' => TEXT_INFO_RESTORE_LOCAL_RAW_FILE);
    $contents[] = array('align' => 'center', 'text' => '
' . tep_image_submit('button_restore.gif', IMAGE_restore) . ' ' . tep_image_button('button_cancel.gif', IMAGE_CANCEL) . '');
    break;
  case 'delete':
    $heading[] = array('text' => '' . $buInfo->date . '');
    $contents = array('form' => tep_draw_form('delete', FILENAME_BACKUP, 'file=' . $buInfo->file . '&action=deleteconfirm'));
    $contents[] = array('text' => TEXT_DELETE_INTRO);
    $contents[] = array('text' => '
' . $buInfo->file . '');
    $contents[] = array('align' => 'center', 'text' => '
' . tep_image_submit('button_delete.gif', IMAGE_DELETE) . ' file) . '">' . tep_image_button('button_cancel.gif', IMAGE_CANCEL) . '');
    break;
  default:
    if (is_object($buInfo)) {
    $heading[] = array('text' => '' . $buInfo->date . '');
    $contents[] = array('align' => 'center', 'text' => 'file . '&action=restore') . '">' . tep_image_button('button_restore.gif', IMAGE_RESTORE) . ' file . '&action=delete') . '">' . tep_image_button('button_delete.gif', IMAGE_DELETE) . '');
    $contents[] = array('text' => '
' . TEXT_INFO_DATE . ' ' . $buInfo->date);
    $contents[] = array('text' => TEXT_INFO_SIZE . ' ' . $buInfo->size);
    $contents[] = array('text' => '
' . TEXT_INFO_COMPRESSION . ' ' . $buInfo->compression);
    }
    break;
}
if ( (tep_not_null($heading)) && (tep_not_null($contents)) ) {
  echo '         ' . "\n";
  $box = new box;
  echo $box->infoBox($heading, $contents);
  echo '         ' . "\n";
}
?>
      
   
   
  


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