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 $sql = new Sql();
  35
  36 /**
  37  * Set ajax_reload in the response if it was already set
  38  */
  39 if (isset($ajax_reload) && $ajax_reload['reload'] === true) {
  40     $response->addJSON('ajax_reload', $ajax_reload);
  41 }
  42
  43 /**
  44  * Defines the url to return to in case of error in a sql statement
  45  */
  46 $is_gotofile  = true;
  47 if (empty($goto)) {
  48     if (empty($table)) {
  49         $goto = Util::getScriptNameForOption(
  50             $GLOBALS['cfg']['DefaultTabDatabase'], 'database'
  51         );
  52     } else {
  53         $goto = Util::getScriptNameForOption(
  54             $GLOBALS['cfg']['DefaultTabTable'], 'table'
  55         );
  56     }
  57 } // end if
  58
  59 if (! isset($err_url)) {
  60     $err_url = (! empty($back) ? $back : $goto)
  61         . '?' . Url::getCommon(array('db' => $GLOBALS['db']))
  62         . ((mb_strpos(' ' . $goto, 'db_') != 1
  63             && strlen($table) > 0)
  64             ? '&amp;table=' . urlencode($table)
  65             : ''
  66         );
  67 } // end if
  68
  69 // Coming from a bookmark dialog
  70 if (isset($_POST['bkm_fields']['bkm_sql_query'])) {
  71     $sql_query = $_POST['bkm_fields']['bkm_sql_query'];
  72 } elseif (isset($_POST['sql_query'])) {
  73     $sql_query = $_POST['sql_query'];
  74 }
  75
  76 // This one is just to fill $db
  77 if (isset($_POST['bkm_fields']['bkm_database'])) {
  78     $db = $_POST['bkm_fields']['bkm_database'];
  79 }
  80
  81 // During grid edit, if we have a relational field, show the dropdown for it.
  82 if (isset($_POST['get_relational_values'])
  83     && $_POST['get_relational_values'] == true
  84 ) {
  85     $sql->getRelationalValues($db, $table);
  86     // script has exited at this point
  87 }
  88
  89 // Just like above, find possible values for enum fields during grid edit.
  90 if (isset($_POST['get_enum_values']) && $_POST['get_enum_values'] == true) {
  91     $sql->getEnumOrSetValues($db, $table, "enum");
  92     // script has exited at this point
  93 }
  94
  95
  96 // Find possible values for set fields during grid edit.
  97 if (isset($_POST['get_set_values']) && $_POST['get_set_values'] == true) {
  98     $sql->getEnumOrSetValues($db, $table, "set");
  99     // script has exited at this point
 100 }
 101
 102 if (isset($_GET['get_default_fk_check_value'])
 103     && $_GET['get_default_fk_check_value'] == true
 104 ) {
 105     $response = Response::getInstance();
 106     $response->addJSON(
 107         'default_fk_check_value', Util::isForeignKeyCheck()
 108     );
 109     exit;
 110 }
 111
 112 /**
 113  * Check ajax request to set the column order and visibility
 114  */
 115 if (isset($_POST['set_col_prefs']) && $_POST['set_col_prefs'] == true) {
 116     $sql->setColumnOrderOrVisibility($table, $db);
 117     // script has exited at this point
 118 }
 119
 120 // Default to browse if no query set and we have table
 121 // (needed for browsing from DefaultTabTable)
 122 if (empty($sql_query) && strlen($table) > 0 && strlen($db) > 0) {
 123     $sql_query = $sql->getDefaultSqlQueryForBrowse($db, $table);
 124
 125     // set $goto to what will be displayed if query returns 0 rows
 126     $goto = '';
 127 } else {
 128     // Now we can check the parameters
 129     Util::checkParameters(array('sql_query'));
 130 }
 131
 132 /**
 133  * Parse and analyze the query
 134  */
 135 list(
 136     $analyzed_sql_results,
 137     $db,
 138     $table_from_sql
 139 ) = ParseAnalyze::sqlQuery($sql_query, $db);
 140 // @todo: possibly refactor
 141 extract($analyzed_sql_results);
 142
 143 if ($table != $table_from_sql && !empty($table_from_sql)) {
 144     $table = $table_from_sql;
 145 }
 146
 147
 148 /**
 149  * Check rights in case of DROP DATABASE
 150  *
 151  * This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
 152  * but since a malicious user may pass this variable by url/form, we don't take
 153  * into account this case.
 154  */
 155 if ($sql->hasNoRightsToDropDatabase(
 156     $analyzed_sql_results, $cfg['AllowUserDropDatabase'], $GLOBALS['dbi']->isSuperuser()
 157 )) {
 158     Util::mysqlDie(
 159         __('"DROP DATABASE" statements are disabled.'),
 160         '',
 161         false,
 162         $err_url
 163     );
 164 } // end if
 165
 166 /**
 167  * Need to find the real end of rows?
 168  */
 169 if (isset($find_real_end) && $find_real_end) {
 170     $unlim_num_rows = $sql->findRealEndOfRows($db, $table);
 171 }
 172
 173
 174 /**
 175  * Bookmark add
 176  */
 177 if (isset($_POST['store_bkm'])) {
 178     $sql->addBookmark($goto);
 179     // script has exited at this point
 180 } // end if
 181
 182
 183 /**
 184  * Sets or modifies the $goto variable if required
 185  */
 186 if ($goto == 'sql.php') {
 187     $is_gotofile = false;
 188     $goto = 'sql.php' . Url::getCommon(
 189         array(
 190             'db' => $db,
 191             'table' => $table,
 192             'sql_query' => $sql_query
 193         )
 194     );
 195 } // end if
 196
 197 $sql->executeQueryAndSendQueryResponse(
 198     $analyzed_sql_results, // analyzed_sql_results
 199     $is_gotofile, // is_gotofile
 200     $db, // db
 201     $table, // table
 202     isset($find_real_end) ? $find_real_end : null, // find_real_end
 203     isset($import_text) ? $import_text : null, // sql_query_for_bookmark
 204     isset($extra_data) ? $extra_data : null, // extra_data
 205     isset($message_to_show) ? $message_to_show : null, // message_to_show
 206     isset($message) ? $message : null, // message
 207     isset($sql_data) ? $sql_data : null, // sql_data
 208     $goto, // goto
 209     $pmaThemeImage, // pmaThemeImage
 210     isset($disp_query) ? $display_query : null, // disp_query
 211     isset($disp_message) ? $disp_message : null, // disp_message
 212     isset($query_type) ? $query_type : null, // query_type
 213     $sql_query, // sql_query
 214     isset($selected) ? $selected : null, // selectedTables
 215     isset($complete_query) ? $complete_query : null // complete_query
 216 );