db_search.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * searchs the entire database
   5  *
   6  * @todo    make use of UNION when searching multiple tables
   7  * @todo    display executed query, optional?
   8  * @package phpMyAdmin
   9  */
  10
  11 /**
  12  *
  13  */
  14 require_once './libraries/common.inc.php';
  15
  16 $GLOBALS['js_include'][] = 'db_search.js';
  17 $GLOBALS['js_include'][] = 'sql.js';
  18 $GLOBALS['js_include'][] = 'makegrid.js';
  19
  20 /**
  21  * Gets some core libraries and send headers
  22  */
  23 require './libraries/db_common.inc.php';
  24
  25 /**
  26  * init
  27  */
  28 // If config variable $GLOBALS['cfg']['Usedbsearch'] is on false : exit.
  29 if (! $GLOBALS['cfg']['UseDbSearch']) {
  30     PMA_mysqlDie(__('Access denied'), '', false, $err_url);
  31 } // end if
  32 $url_query .= '&amp;goto=db_search.php';
  33 $url_params['goto'] = 'db_search.php';
  34
  35 /**
  36  * @global array list of tables from the current database
  37  * but do not clash with $tables coming from db_info.inc.php
  38  */
  39 $tables_names_only = PMA_DBI_get_tables($GLOBALS['db']);
  40
  41 $search_options = array(
  42     '1' => __('at least one of the words'),
  43     '2' => __('all words'),
  44     '3' => __('the exact phrase'),
  45     '4' => __('as regular expression'),
  46 );
  47
  48 if (empty($_REQUEST['search_option']) || ! is_string($_REQUEST['search_option'])
  49  || ! array_key_exists($_REQUEST['search_option'], $search_options)) {
  50     $search_option = 1;
  51     unset($_REQUEST['submit_search']);
  52 } else {
  53     $search_option = (int) $_REQUEST['search_option'];
  54     $option_str = $search_options[$_REQUEST['search_option']];
  55 }
  56
  57 if (empty($_REQUEST['search_str']) || ! is_string($_REQUEST['search_str'])) {
  58     unset($_REQUEST['submit_search']);
  59     $searched = '';
  60 } else {
  61     $searched = htmlspecialchars($_REQUEST['search_str']);
  62     // For "as regular expression" (search option 4), we should not treat
  63     // this as an expression that contains a LIKE (second parameter of
  64     // PMA_sqlAddSlashes()).
  65     //
  66     // Usage example: If user is seaching for a literal $ in a regexp search,
  67     // he should enter \$ as the value.
  68     $search_str = PMA_sqlAddSlashes($_REQUEST['search_str'], ($search_option == 4 ? false : true));
  69 }
  70
  71 $tables_selected = array();
  72 if (empty($_REQUEST['table_select']) || ! is_array($_REQUEST['table_select'])) {
  73     unset($_REQUEST['submit_search']);
  74 } elseif (! isset($_REQUEST['selectall']) && ! isset($_REQUEST['unselectall'])) {
  75     $tables_selected = array_intersect($_REQUEST['table_select'], $tables_names_only);
  76 }
  77
  78 if (isset($_REQUEST['selectall'])) {
  79     $tables_selected = $tables_names_only;
  80 } elseif (isset($_REQUEST['unselectall'])) {
  81     $tables_selected = array();
  82 }
  83
  84 if (empty($_REQUEST['field_str']) || ! is_string($_REQUEST['field_str'])) {
  85     unset($field_str);
  86 } else {
  87     $field_str = PMA_sqlAddSlashes($_REQUEST['field_str'], true);
  88 }
  89
  90 /**
  91  * Displays top links if we are not in an Ajax request
  92  */
  93 $sub_part = '';
  94
  95 if ( $GLOBALS['is_ajax_request'] != true) {
  96     require './libraries/db_info.inc.php';
  97     echo '<div id="searchresults">';
  98 }
  99
 100 /**
 101  * 1. Main search form has been submitted
 102  */
 103 if (isset($_REQUEST['submit_search'])) {
 104
 105     /**
 106      * Builds the SQL search query
 107      *
 108      * @todo    can we make use of fulltextsearch IN BOOLEAN MODE for this?
 109      * PMA_backquote
 110      * PMA_DBI_free_result
 111      * PMA_DBI_fetch_assoc
 112      * $GLOBALS['db']
 113      * explode
 114      * count
 115      * strlen
 116      * @param string   the table name
 117      * @param string   restrict the search to this field
 118      * @param string   the string to search
 119      * @param integer  type of search (1 -> 1 word at least, 2 -> all words,
 120      *                                   3 -> exact string, 4 -> regexp)
 121      *
 122      * @return  array    3 SQL querys (for count, display and delete results)
 123      *
 124      * @global  string   the url to return to in case of errors
 125      * @global  string   charset connection
 126      */
 127     function PMA_getSearchSqls($table, $field, $search_str, $search_option)
 128     {
 129         global $err_url;
 130
 131         // Statement types
 132         $sqlstr_select = 'SELECT';
 133         $sqlstr_delete = 'DELETE';
 134
 135         // Fields to select
 136         $tblfields = PMA_DBI_fetch_result('SHOW FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($GLOBALS['db']),
 137             null, 'Field');
 138
 139         // Table to use
 140         $sqlstr_from = ' FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($table);
 141
 142         $search_words    = (($search_option > 2) ? array($search_str) : explode(' ', $search_str));
 143         $search_wds_cnt  = count($search_words);
 144
 145         $like_or_regex   = (($search_option == 4) ? 'REGEXP' : 'LIKE');
 146         $automatic_wildcard   = (($search_option < 3) ? '%' : '');
 147
 148         $fieldslikevalues = array();
 149         foreach ($search_words as $search_word) {
 150             // Eliminates empty values
 151             if (strlen($search_word) === 0) {
 152                 continue;
 153             }
 154
 155             $thefieldlikevalue = array();
 156             foreach ($tblfields as $tblfield) {
 157                 if (! isset($field) || strlen($field) == 0 || $tblfield == $field) {
 158                     $thefieldlikevalue[] = 'CONVERT(' . PMA_backquote($tblfield) . ' USING utf8)'
 159                                          . ' ' . $like_or_regex . ' '
 160                                          . "'" . $automatic_wildcard
 161                                          . $search_word
 162                                          . $automatic_wildcard . "'";
 163                 }
 164             } // end for
 165
 166             if (count($thefieldlikevalue) > 0) {
 167                 $fieldslikevalues[]      = implode(' OR ', $thefieldlikevalue);
 168             }
 169         } // end for
 170
 171         $implode_str  = ($search_option == 1 ? ' OR ' : ' AND ');
 172         if ( empty($fieldslikevalues)) {
 173             // this could happen when the "inside field" does not exist
 174             // in any selected tables
 175             $sqlstr_where = ' WHERE FALSE';
 176         } else {
 177             $sqlstr_where = ' WHERE (' . implode(') ' . $implode_str . ' (', $fieldslikevalues) . ')';
 178         }
 179         unset($fieldslikevalues);
 180
 181         // Builds complete queries
 182         $sql['select_fields'] = $sqlstr_select . ' * ' . $sqlstr_from . $sqlstr_where;
 183         // here, I think we need to still use the COUNT clause, even for
 184         // VIEWs, anyway we have a WHERE clause that should limit results
 185         $sql['select_count']  = $sqlstr_select . ' COUNT(*) AS `count`' . $sqlstr_from . $sqlstr_where;
 186         $sql['delete']        = $sqlstr_delete . $sqlstr_from . $sqlstr_where;
 187
 188         return $sql;
 189     } // end of the "PMA_getSearchSqls()" function
 190
 191
 192     /**
 193      * Displays the results
 194      */
 195     $this_url_params = array(
 196         'db'    => $GLOBALS['db'],
 197         'goto'  => 'db_sql.php',
 198         'pos'   => 0,
 199         'is_js_confirmed' => 0,
 200     );
 201
 202     // Displays search string
 203     echo '<br />' . "\n"
 204         .'<table class="data">' . "\n"
 205         .'<caption class="tblHeaders">' . "\n"
 206         .sprintf(__('Search results for "<i>%s</i>" %s:'),
 207             $searched, $option_str) . "\n"
 208         .'</caption>' . "\n";
 209
 210     $num_search_result_total = 0;
 211     $odd_row = true;
 212
 213     foreach ($tables_selected as $each_table) {
 214         // Gets the SQL statements
 215         $newsearchsqls = PMA_getSearchSqls($each_table, (! empty($field_str) ? $field_str : ''), $search_str, $search_option);
 216
 217         // Executes the "COUNT" statement
 218         $res_cnt = PMA_DBI_fetch_value($newsearchsqls['select_count']);
 219         $num_search_result_total += $res_cnt;
 220
 221         $sql_query .= $newsearchsqls['select_count'];
 222
 223         echo '<tr class="noclick ' . ($odd_row ? 'odd' : 'even') . '">'
 224             .'<td>' . sprintf(_ngettext('%s match inside table <i>%s</i>', '%s matches inside table <i>%s</i>', $res_cnt), $res_cnt,
 225                 htmlspecialchars($each_table)) . "</td>\n";
 226
 227         if ($res_cnt > 0) {
 228             $this_url_params['sql_query'] = $newsearchsqls['select_fields'];
 229              $browse_result_path = 'sql.php' . PMA_generate_common_url($this_url_params);
 230              ?>
 231             <td> <a name="browse_search" href="<?php echo $browse_result_path; ?>" onclick="loadResult('<?php echo $browse_result_path ?> ',' <?php echo  $each_table?> ' , '<?php echo PMA_generate_common_url($GLOBALS['db'], $each_table)?>','<?php echo ($GLOBALS['cfg']['AjaxEnable']); ?>');return false;" ><?php echo __('Browse') ?></a>   </td>
 232             <?php
 233             $this_url_params['sql_query'] = $newsearchsqls['delete'];
 234             $delete_result_path = 'sql.php' . PMA_generate_common_url($this_url_params);
 235             ?>
 236             <td> <a name="delete_search" href="<?php echo $delete_result_path; ?>" onclick="deleteResult('<?php echo $delete_result_path ?>' , ' <?php printf(__('Delete the matches for the %s table?'), htmlspecialchars($each_table)); ?>','<?php echo ($GLOBALS['cfg']['AjaxEnable']); ?>');return false;" ><?php echo __('Delete') ?></a>   </td>
 237             <?php
 238          } else {
 239             echo '<td>&nbsp;</td>' . "\n"
 240                 .'<td>&nbsp;</td>' . "\n";
 241         }// end if else
 242         $odd_row = ! $odd_row;
 243         echo '</tr>' . "\n";
 244     } // end for
 245
 246     echo '</table>' . "\n";
 247
 248     if (count($tables_selected) > 1) {
 249         echo '<p>' . sprintf(_ngettext('<b>Total:</b> <i>%s</i> match', '<b>Total:</b> <i>%s</i> matches', $num_search_result_total),
 250             $num_search_result_total) . '</p>' . "\n";
 251     }
 252 } // end 1.
 253
 254 /**
 255  * If we are in an Ajax request, we need to exit after displaying all the HTML
 256  */
 257 if ($GLOBALS['is_ajax_request'] == true) {
 258     exit;
 259 }
 260 else {
 261     echo '</div>';//end searchresults div
 262 }
 263
 264 /**
 265  * 2. Displays the main search form
 266  */
 267 ?>
 268 <a name="db_search"></a>
 269 <form id="db_search_form"<?php echo ($GLOBALS['cfg']['AjaxEnable'] ? ' class="ajax"' : ''); ?> method="post" action="db_search.php" name="db_search">
 270 <?php echo PMA_generate_common_hidden_inputs($GLOBALS['db']); ?>
 271 <fieldset>
 272     <legend><?php echo __('Search in database'); ?></legend>
 273
 274     <table class="formlayout">
 275     <tr><td><?php echo __('Words or values to search for (wildcard: "%"):'); ?></td>
 276         <td><input type="text" name="search_str" size="60"
 277                 value="<?php echo $searched; ?>" /></td>
 278     </tr>
 279     <tr><td align="right" valign="top">
 280             <?php echo __('Find:'); ?></td>
 281             <td><?php
 282
 283 $choices = array(
 284     '1' => __('at least one of the words') . PMA_showHint(__('Words are separated by a space character (" ").')),
 285     '2' => __('all words') . PMA_showHint(__('Words are separated by a space character (" ").')),
 286     '3' => __('the exact phrase'),
 287     '4' => __('as regular expression') . ' ' . PMA_showMySQLDocu('Regexp', 'Regexp')
 288 );
 289 // 4th parameter set to true to add line breaks
 290 // 5th parameter set to false to avoid htmlspecialchars() escaping in the label
 291 //  since we have some HTML in some labels
 292 PMA_display_html_radio('search_option', $choices, $search_option, true, false);
 293 unset($choices);
 294             ?>
 295             </td>
 296     </tr>
 297     <tr><td align="right" valign="top">
 298             <?php echo __('Inside tables:'); ?></td>
 299         <td rowspan="2">
 300 <?php
 301 echo '            <select name="table_select[]" size="6" multiple="multiple">' . "\n";
 302 foreach ($tables_names_only as $each_table) {
 303     if (in_array($each_table, $tables_selected)) {
 304         $is_selected = ' selected="selected"';
 305     } else {
 306         $is_selected = '';
 307     }
 308
 309     echo '                <option value="' . htmlspecialchars($each_table) . '"'
 310         . $is_selected . '>'
 311         . str_replace(' ', '&nbsp;', htmlspecialchars($each_table)) . '</option>' . "\n";
 312 } // end while
 313
 314 echo '            </select>' . "\n";
 315 $alter_select =
 316     '<a href="db_search.php' . PMA_generate_common_url(array_merge($url_params, array('selectall' => 1))) . '#db_search"'
 317     . ' onclick="setSelectOptions(\'db_search\', \'table_select[]\', true); return false;">' . __('Select All') . '</a>'
 318     . '&nbsp;/&nbsp;'
 319     . '<a href="db_search.php' . PMA_generate_common_url(array_merge($url_params, array('unselectall' => 1))) . '#db_search"'
 320     . ' onclick="setSelectOptions(\'db_search\', \'table_select[]\', false); return false;">' . __('Unselect All') . '</a>';
 321 ?>
 322         </td>
 323     </tr>
 324     <tr><td align="right" valign="bottom">
 325             <?php echo $alter_select; ?></td>
 326     </tr>
 327     <tr><td align="right">
 328             <?php echo __('Inside column:'); ?></td>
 329         <td><input type="text" name="field_str" size="60"
 330                 value="<?php echo ! empty($field_str) ? htmlspecialchars($field_str) : ''; ?>" /></td>
 331     </tr>
 332     </table>
 333 </fieldset>
 334 <fieldset class="tblFooters">
 335     <input type="submit" name="submit_search" value="<?php echo __('Go'); ?>"
 336         id="buttonGo" />
 337 </fieldset>
 338 </form>
 339
 340 <!-- These two table-image and table-link elements display the table name in browse search results  -->
 341 <div id='table-info'>
 342 <a class="item" id="table-link" ></a>
 343 </div>
 344 <div id="browse-results">
 345 <!-- this browse-results div is used to load the browse and delete results in the db search -->
 346 </div>
 347 <br class="clearfloat" />
 348 <div id="sqlqueryform">
 349 <!-- this sqlqueryform div is used to load the delete form in the db search -->
 350 </div>
 351 <!--  toggle query box link-->
 352 <a id="togglequerybox"></a>
 353
 354 <?php
 355 /**
 356  * Displays the footer
 357  */
 358 require './libraries/footer.inc.php';
 359 ?>