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