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