tbl_export.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Table export
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 declare(strict_types=1);
   9
  10 use PhpMyAdmin\Config\PageSettings;
  11 use PhpMyAdmin\DatabaseInterface;
  12 use PhpMyAdmin\Display\Export;
  13 use PhpMyAdmin\Relation;
  14 use PhpMyAdmin\Response;
  15
  16 if (! defined('ROOT_PATH')) {
  17     define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
  18 }
  19
  20 global $containerBuilder, $db, $url_query;
  21
  22 require_once ROOT_PATH . 'libraries/common.inc.php';
  23
  24 /** @var Response $response */
  25 $response = $containerBuilder->get(Response::class);
  26
  27 /** @var DatabaseInterface $dbi */
  28 $dbi = $containerBuilder->get(DatabaseInterface::class);
  29
  30 PageSettings::showGroup('Export');
  31
  32 $header = $response->getHeader();
  33 $scripts = $header->getScripts();
  34 $scripts->addFile('export.js');
  35
  36 // Get the relation settings
  37 /** @var Relation $relation */
  38 $relation = $containerBuilder->get('relation');
  39 $cfgRelation = $relation->getRelationsParam();
  40
  41 /** @var Export $displayExport */
  42 $displayExport = $containerBuilder->get('display_export');
  43
  44 // handling export template actions
  45 if (isset($_POST['templateAction']) && $cfgRelation['exporttemplateswork']) {
  46     $displayExport->handleTemplateActions($cfgRelation);
  47     exit;
  48 }
  49
  50 /**
  51  * Gets tables information and displays top links
  52  */
  53 require_once ROOT_PATH . 'libraries/tbl_common.inc.php';
  54 $url_query .= '&amp;goto=tbl_export.php&amp;back=tbl_export.php';
  55
  56 // Dump of a table
  57
  58 $export_page_title = __('View dump (schema) of table');
  59
  60 // When we have some query, we need to remove LIMIT from that and possibly
  61 // generate WHERE clause (if we are asked to export specific rows)
  62
  63 if (! empty($sql_query)) {
  64     $parser = new PhpMyAdmin\SqlParser\Parser($sql_query);
  65
  66     if (! empty($parser->statements[0])
  67         && ($parser->statements[0] instanceof PhpMyAdmin\SqlParser\Statements\SelectStatement)
  68     ) {
  69         // Finding aliases and removing them, but we keep track of them to be
  70         // able to replace them in select expression too.
  71         $aliases = [];
  72         foreach ($parser->statements[0]->from as $from) {
  73             if (! empty($from->table) && ! empty($from->alias)) {
  74                 $aliases[$from->alias] = $from->table;
  75                 // We remove the alias of the table because they are going to
  76                 // be replaced anyway.
  77                 $from->alias = null;
  78                 $from->expr = null; // Force rebuild.
  79             }
  80         }
  81
  82         // Rebuilding the SELECT and FROM clauses.
  83         if (count($parser->statements[0]->from) > 0
  84             && count($parser->statements[0]->union) === 0
  85         ) {
  86             $replaces = [
  87                 [
  88                     'FROM',
  89                     'FROM ' . PhpMyAdmin\SqlParser\Components\ExpressionArray::build(
  90                         $parser->statements[0]->from
  91                     ),
  92                 ],
  93             ];
  94         }
  95
  96         // Checking if the WHERE clause has to be replaced.
  97         if (! empty($where_clause) && is_array($where_clause)) {
  98             $replaces[] = [
  99                 'WHERE',
 100                 'WHERE (' . implode(') OR (', $where_clause) . ')',
 101             ];
 102         }
 103
 104         // Preparing to remove the LIMIT clause.
 105         $replaces[] = [
 106             'LIMIT',
 107             '',
 108         ];
 109
 110         // Replacing the clauses.
 111         $sql_query = PhpMyAdmin\SqlParser\Utils\Query::replaceClauses(
 112             $parser->statements[0],
 113             $parser->list,
 114             $replaces
 115         );
 116
 117         // Removing the aliases by finding the alias followed by a dot.
 118         $tokens = PhpMyAdmin\SqlParser\Lexer::getTokens($sql_query);
 119         foreach ($aliases as $alias => $table) {
 120             $tokens = PhpMyAdmin\SqlParser\Utils\Tokens::replaceTokens(
 121                 $tokens,
 122                 [
 123                     [
 124                         'value_str' => $alias,
 125                     ],
 126                     [
 127                         'type' => PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR,
 128                         'value_str' => '.',
 129                     ],
 130                 ],
 131                 [
 132                     new PhpMyAdmin\SqlParser\Token($table),
 133                     new PhpMyAdmin\SqlParser\Token('.', PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR),
 134                 ]
 135             );
 136         }
 137         $sql_query = PhpMyAdmin\SqlParser\TokensList::build($tokens);
 138     }
 139
 140     echo PhpMyAdmin\Util::getMessage(PhpMyAdmin\Message::success());
 141 }
 142
 143 if (! isset($sql_query)) {
 144     $sql_query = '';
 145 }
 146 if (! isset($num_tables)) {
 147     $num_tables = 0;
 148 }
 149 if (! isset($unlim_num_rows)) {
 150     $unlim_num_rows = 0;
 151 }
 152 if (! isset($multi_values)) {
 153     $multi_values = '';
 154 }
 155 $response = Response::getInstance();
 156 $response->addHTML(
 157     $displayExport->getDisplay(
 158         'table',
 159         $db,
 160         $table,
 161         $sql_query,
 162         $num_tables,
 163         $unlim_num_rows,
 164         $multi_values
 165     )
 166 );