sql.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * SQL executor
   5  *
   6  * @todo    we must handle the case if sql.php is called directly with a query
   7  *          that returns 0 rows - to prevent cyclic redirects or includes
   8  * @package PhpMyAdmin
   9  */
  10 declare(strict_types=1);
  11
  12 use PhpMyAdmin\CheckUserPrivileges;
  13 use PhpMyAdmin\Config\PageSettings;
  14 use PhpMyAdmin\DatabaseInterface;
  15 use PhpMyAdmin\ParseAnalyze;
  16 use PhpMyAdmin\Response;
  17 use PhpMyAdmin\Sql;
  18 use PhpMyAdmin\Url;
  19 use PhpMyAdmin\Util;
  20
  21 if (! defined('ROOT_PATH')) {
  22     define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
  23 }
  24
  25 global $cfg, $containerBuilder, $pmaThemeImage;
  26
  27 require_once ROOT_PATH . 'libraries/common.inc.php';
  28
  29 /** @var Response $response */
  30 $response = $containerBuilder->get(Response::class);
  31
  32 /** @var DatabaseInterface $dbi */
  33 $dbi = $containerBuilder->get(DatabaseInterface::class);
  34
  35 /** @var CheckUserPrivileges $checkUserPrivileges */
  36 $checkUserPrivileges = $containerBuilder->get('check_user_privileges');
  37 $checkUserPrivileges->getPrivileges();
  38
  39 PageSettings::showGroup('Browse');
  40
  41 $header = $response->getHeader();
  42 $scripts = $header->getScripts();
  43 $scripts->addFile('vendor/jquery/jquery.uitablefilter.js');
  44 $scripts->addFile('table/change.js');
  45 $scripts->addFile('indexes.js');
  46 $scripts->addFile('gis_data_editor.js');
  47 $scripts->addFile('multi_column_sort.js');
  48
  49 /** @var Sql $sql */
  50 $sql = $containerBuilder->get('sql');
  51
  52 /**
  53  * Set ajax_reload in the response if it was already set
  54  */
  55 if (isset($ajax_reload) && $ajax_reload['reload'] === true) {
  56     $response->addJSON('ajax_reload', $ajax_reload);
  57 }
  58
  59 /**
  60  * Defines the url to return to in case of error in a sql statement
  61  */
  62 $is_gotofile  = true;
  63 if (empty($goto)) {
  64     if (empty($table)) {
  65         $goto = Util::getScriptNameForOption(
  66             $cfg['DefaultTabDatabase'],
  67             'database'
  68         );
  69     } else {
  70         $goto = Util::getScriptNameForOption(
  71             $cfg['DefaultTabTable'],
  72             'table'
  73         );
  74     }
  75 } // end if
  76
  77 if (! isset($err_url)) {
  78     $err_url = (! empty($back) ? $back : $goto)
  79         . '?' . Url::getCommon(['db' => $GLOBALS['db']])
  80         . ((mb_strpos(' ' . $goto, 'db_') != 1
  81             && strlen($table) > 0)
  82             ? '&amp;table=' . urlencode($table)
  83             : ''
  84         );
  85 } // end if
  86
  87 // Coming from a bookmark dialog
  88 if (isset($_POST['bkm_fields']['bkm_sql_query'])) {
  89     $sql_query = $_POST['bkm_fields']['bkm_sql_query'];
  90 } elseif (isset($_POST['sql_query'])) {
  91     $sql_query = $_POST['sql_query'];
  92 }
  93
  94 // This one is just to fill $db
  95 if (isset($_POST['bkm_fields']['bkm_database'])) {
  96     $db = $_POST['bkm_fields']['bkm_database'];
  97 }
  98
  99 // During grid edit, if we have a relational field, show the dropdown for it.
 100 if (isset($_POST['get_relational_values'])
 101     && $_POST['get_relational_values'] == true
 102 ) {
 103     $sql->getRelationalValues($db, $table);
 104     // script has exited at this point
 105 }
 106
 107 // Just like above, find possible values for enum fields during grid edit.
 108 if (isset($_POST['get_enum_values']) && $_POST['get_enum_values'] == true) {
 109     $sql->getEnumOrSetValues($db, $table, "enum");
 110     // script has exited at this point
 111 }
 112
 113
 114 // Find possible values for set fields during grid edit.
 115 if (isset($_POST['get_set_values']) && $_POST['get_set_values'] == true) {
 116     $sql->getEnumOrSetValues($db, $table, "set");
 117     // script has exited at this point
 118 }
 119
 120 if (isset($_GET['get_default_fk_check_value'])
 121     && $_GET['get_default_fk_check_value'] == true
 122 ) {
 123     $response = Response::getInstance();
 124     $response->addJSON(
 125         'default_fk_check_value',
 126         Util::isForeignKeyCheck()
 127     );
 128     exit;
 129 }
 130
 131 /**
 132  * Check ajax request to set the column order and visibility
 133  */
 134 if (isset($_POST['set_col_prefs']) && $_POST['set_col_prefs'] == true) {
 135     $sql->setColumnOrderOrVisibility($table, $db);
 136     // script has exited at this point
 137 }
 138
 139 // Default to browse if no query set and we have table
 140 // (needed for browsing from DefaultTabTable)
 141 if (empty($sql_query) && strlen($table) > 0 && strlen($db) > 0) {
 142     $sql_query = $sql->getDefaultSqlQueryForBrowse($db, $table);
 143
 144     // set $goto to what will be displayed if query returns 0 rows
 145     $goto = '';
 146 } else {
 147     // Now we can check the parameters
 148     Util::checkParameters(['sql_query']);
 149 }
 150
 151 /**
 152  * Parse and analyze the query
 153  */
 154 list(
 155     $analyzed_sql_results,
 156     $db,
 157     $table_from_sql
 158 ) = ParseAnalyze::sqlQuery($sql_query, $db);
 159 // @todo: possibly refactor
 160 extract($analyzed_sql_results);
 161
 162 if ($table != $table_from_sql && ! empty($table_from_sql)) {
 163     $table = $table_from_sql;
 164 }
 165
 166
 167 /**
 168  * Check rights in case of DROP DATABASE
 169  *
 170  * This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
 171  * but since a malicious user may pass this variable by url/form, we don't take
 172  * into account this case.
 173  */
 174 if ($sql->hasNoRightsToDropDatabase(
 175     $analyzed_sql_results,
 176     $cfg['AllowUserDropDatabase'],
 177     $dbi->isSuperuser()
 178 )) {
 179     Util::mysqlDie(
 180         __('"DROP DATABASE" statements are disabled.'),
 181         '',
 182         false,
 183         $err_url
 184     );
 185 } // end if
 186
 187 /**
 188  * Need to find the real end of rows?
 189  */
 190 if (isset($find_real_end) && $find_real_end) {
 191     $unlim_num_rows = $sql->findRealEndOfRows($db, $table);
 192 }
 193
 194
 195 /**
 196  * Bookmark add
 197  */
 198 if (isset($_POST['store_bkm'])) {
 199     $sql->addBookmark($goto);
 200     // script has exited at this point
 201 } // end if
 202
 203
 204 /**
 205  * Sets or modifies the $goto variable if required
 206  */
 207 if ($goto == 'sql.php') {
 208     $is_gotofile = false;
 209     $goto = 'sql.php' . Url::getCommon(
 210         [
 211             'db' => $db,
 212             'table' => $table,
 213             'sql_query' => $sql_query,
 214         ]
 215     );
 216 } // end if
 217
 218 $sql->executeQueryAndSendQueryResponse(
 219     $analyzed_sql_results, // analyzed_sql_results
 220     $is_gotofile, // is_gotofile
 221     $db, // db
 222     $table, // table
 223     isset($find_real_end) ? $find_real_end : null, // find_real_end
 224     isset($import_text) ? $import_text : null, // sql_query_for_bookmark
 225     isset($extra_data) ? $extra_data : null, // extra_data
 226     isset($message_to_show) ? $message_to_show : null, // message_to_show
 227     isset($message) ? $message : null, // message
 228     isset($sql_data) ? $sql_data : null, // sql_data
 229     $goto, // goto
 230     $pmaThemeImage, // pmaThemeImage
 231     isset($disp_query) ? $display_query : null, // disp_query
 232     isset($disp_message) ? $disp_message : null, // disp_message
 233     isset($query_type) ? $query_type : null, // query_type
 234     $sql_query, // sql_query
 235     isset($selected) ? $selected : null, // selectedTables
 236     isset($complete_query) ? $complete_query : null // complete_query
 237 );