phpmyadmin/libraries/Header.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Used to render the header of PMA's pages
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 require_once 'libraries/Scripts.class.php';
  13 require_once 'libraries/RecentFavoriteTable.class.php';
  14 require_once 'libraries/Menu.class.php';
  15 require_once 'libraries/navigation/Navigation.class.php';
  16 require_once 'libraries/url_generating.lib.php';
  17
  18
  19 /**
  20  * Class used to output the HTTP and HTML headers
  21  *
  22  * @package PhpMyAdmin
  23  */
  24 class PMA_Header
  25 {
  26     /**
  27      * PMA_Scripts instance
  28      *
  29      * @access private
  30      * @var PMA_Scripts
  31      */
  32     private $_scripts;
  33     /**
  34      * PMA_Menu instance
  35      *
  36      * @access private
  37      * @var PMA_Menu
  38      */
  39     private $_menu;
  40     /**
  41      * Whether to offer the option of importing user settings
  42      *
  43      * @access private
  44      * @var bool
  45      */
  46     private $_userprefsOfferImport;
  47     /**
  48      * The page title
  49      *
  50      * @access private
  51      * @var string
  52      */
  53     private $_title;
  54     /**
  55      * The value for the id attribute for the body tag
  56      *
  57      * @access private
  58      * @var string
  59      */
  60     private $_bodyId;
  61     /**
  62      * Whether to show the top menu
  63      *
  64      * @access private
  65      * @var bool
  66      */
  67     private $_menuEnabled;
  68     /**
  69      * Whether to show the warnings
  70      *
  71      * @access private
  72      * @var bool
  73      */
  74     private $_warningsEnabled;
  75     /**
  76      * Whether the page is in 'print view' mode
  77      *
  78      * @access private
  79      * @var bool
  80      */
  81     private $_isPrintView;
  82     /**
  83      * Whether we are servicing an ajax request.
  84      * We can't simply use $GLOBALS['is_ajax_request']
  85      * here since it may have not been initialised yet.
  86      *
  87      * @access private
  88      * @var bool
  89      */
  90     private $_isAjax;
  91     /**
  92      * Whether to display anything
  93      *
  94      * @access private
  95      * @var bool
  96      */
  97     private $_isEnabled;
  98     /**
  99      * Whether the HTTP headers (and possibly some HTML)
 100      * have already been sent to the browser
 101      *
 102      * @access private
 103      * @var bool
 104      */
 105     private $_headerIsSent;
 106
 107     /**
 108      * Creates a new class instance
 109      */
 110     public function __construct()
 111     {
 112         $this->_isEnabled = true;
 113         $this->_isAjax = false;
 114         $this->_bodyId = '';
 115         $this->_title  = '';
 116         $db = ! empty($GLOBALS['db']) ? $GLOBALS['db'] : '';
 117         $table = ! empty($GLOBALS['table']) ? $GLOBALS['table'] : '';
 118         $this->_menu   = new PMA_Menu(
 119             $GLOBALS['server'],
 120             $db,
 121             $table
 122         );
 123         $this->_menuEnabled = true;
 124         $this->_warningsEnabled = true;
 125         $this->_isPrintView = false;
 126         $this->_scripts     = new PMA_Scripts();
 127         $this->_addDefaultScripts();
 128         $this->_headerIsSent = false;
 129         // if database storage for user preferences is transient,
 130         // offer to load exported settings from localStorage
 131         // (detection will be done in JavaScript)
 132         $this->_userprefsOfferImport = false;
 133         if ($GLOBALS['PMA_Config']->get('user_preferences') == 'session'
 134             && ! isset($_SESSION['userprefs_autoload'])
 135         ) {
 136             $this->_userprefsOfferImport = true;
 137         }
 138     }
 139
 140     /**
 141      * Loads common scripts
 142      *
 143      * @return void
 144      */
 145     private function _addDefaultScripts()
 146     {
 147         $this->_scripts->addFile('jquery/jquery-1.8.3.min.js');
 148         $this->_scripts->addFile('ajax.js');
 149         $this->_scripts->addFile('keyhandler.js');
 150         $this->_scripts->addFile('jquery/jquery-ui-1.9.2.custom.min.js');
 151         $this->_scripts->addFile('jquery/jquery.sprintf.js');
 152         $this->_scripts->addFile('jquery/jquery.cookie.js');
 153         $this->_scripts->addFile('jquery/jquery.mousewheel.js');
 154         $this->_scripts->addFile('jquery/jquery.event.drag-2.2.js');
 155         $this->_scripts->addFile('jquery/jquery-ui-timepicker-addon.js');
 156         $this->_scripts->addFile('jquery/jquery.ba-hashchange-1.3.js');
 157         $this->_scripts->addFile('jquery/jquery.debounce-1.0.5.js');
 158         $this->_scripts->addFile('jquery/jquery.menuResizer-1.0.js');
 159
 160         // Cross-framing protection
 161         if ($GLOBALS['cfg']['AllowThirdPartyFraming'] === false) {
 162             $this->_scripts->addFile('cross_framing_protection.js');
 163         }
 164
 165         $this->_scripts->addFile('rte.js');
 166         if ($GLOBALS['cfg']['SendErrorReports'] !== 'never') {
 167             $this->_scripts->addFile('tracekit/tracekit.js');
 168             $this->_scripts->addFile('error_report.js');
 169         }
 170
 171         // Here would not be a good place to add CodeMirror because
 172         // the user preferences have not been merged at this point
 173
 174         // Localised strings
 175         $params = array('lang' => $GLOBALS['lang']);
 176         if (isset($GLOBALS['db'])) {
 177             $params['db'] = $GLOBALS['db'];
 178         }
 179         $this->_scripts->addFile('messages.php' . PMA_URL_getCommon($params));
 180         // Append the theme id to this url to invalidate
 181         // the cache on a theme change. Though this might be
 182         // unavailable for fatal errors.
 183         if (isset($_SESSION['PMA_Theme'])) {
 184             $theme_id = urlencode($_SESSION['PMA_Theme']->getId());
 185         } else {
 186             $theme_id = 'default';
 187         }
 188         $this->_scripts->addFile(
 189             'get_image.js.php?theme=' . $theme_id
 190         );
 191         $this->_scripts->addFile('doclinks.js');
 192         $this->_scripts->addFile('functions.js');
 193         $this->_scripts->addFile('navigation.js');
 194         $this->_scripts->addFile('indexes.js');
 195         $this->_scripts->addFile('common.js');
 196         $this->_scripts->addCode($this->getJsParamsCode());
 197     }
 198
 199     /**
 200      * Returns, as an array, a list of parameters
 201      * used on the client side
 202      *
 203      * @return array
 204      */
 205     public function getJsParams()
 206     {
 207         $db = ! empty($GLOBALS['db']) ? $GLOBALS['db'] : '';
 208         $table = ! empty($GLOBALS['table']) ? $GLOBALS['table'] : '';
 209         return array(
 210             'common_query' => PMA_URL_getCommon('', '', '&'),
 211             'opendb_url' => $GLOBALS['cfg']['DefaultTabDatabase'],
 212             'safari_browser' => PMA_USR_BROWSER_AGENT == 'SAFARI' ? 1 : 0,
 213             'querywindow_height' => $GLOBALS['cfg']['QueryWindowHeight'],
 214             'querywindow_width' => $GLOBALS['cfg']['QueryWindowWidth'],
 215             'collation_connection' => $GLOBALS['collation_connection'],
 216             'lang' => $GLOBALS['lang'],
 217             'server' => $GLOBALS['server'],
 218             'table' => $table,
 219             'db'    => $db,
 220             'token' => $_SESSION[' PMA_token '],
 221             'text_dir' => $GLOBALS['text_dir'],
 222             'pma_absolute_uri' => $GLOBALS['cfg']['PmaAbsoluteUri'],
 223             'pma_text_default_tab' => PMA_Util::getTitleForTarget(
 224                 $GLOBALS['cfg']['DefaultTabTable']
 225             ),
 226             'pma_text_left_default_tab' => PMA_Util::getTitleForTarget(
 227                 $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
 228             ),
 229             'confirm' => $GLOBALS['cfg']['Confirm']
 230         );
 231     }
 232
 233     /**
 234      * Returns, as a string, a list of parameters
 235      * used on the client side
 236      *
 237      * @return string
 238      */
 239     public function getJsParamsCode()
 240     {
 241         $params = $this->getJsParams();
 242         foreach ($params as $key => $value) {
 243             $params[$key] = $key . ':"' . PMA_escapeJsString($value) . '"';
 244         }
 245         return 'PMA_commonParams.setAll({' . implode(',', $params) . '});';
 246     }
 247
 248     /**
 249      * Disables the rendering of the header
 250      *
 251      * @return void
 252      */
 253     public function disable()
 254     {
 255         $this->_isEnabled = false;
 256     }
 257
 258     /**
 259      * Set the ajax flag to indicate whether
 260      * we are sevicing an ajax request
 261      *
 262      * @param bool $isAjax Whether we are sevicing an ajax request
 263      *
 264      * @return void
 265      */
 266     public function setAjax($isAjax)
 267     {
 268         $this->_isAjax = ($isAjax == true);
 269     }
 270
 271     /**
 272      * Returns the PMA_Scripts object
 273      *
 274      * @return PMA_Scripts object
 275      */
 276     public function getScripts()
 277     {
 278         return $this->_scripts;
 279     }
 280
 281     /**
 282      * Returns the PMA_Menu object
 283      *
 284      * @return PMA_Menu object
 285      */
 286     public function getMenu()
 287     {
 288         return $this->_menu;
 289     }
 290
 291     /**
 292      * Setter for the ID attribute in the BODY tag
 293      *
 294      * @param string $id Value for the ID attribute
 295      *
 296      * @return void
 297      */
 298     public function setBodyId($id)
 299     {
 300         $this->_bodyId = htmlspecialchars($id);
 301     }
 302
 303     /**
 304      * Setter for the title of the page
 305      *
 306      * @param string $title New title
 307      *
 308      * @return void
 309      */
 310     public function setTitle($title)
 311     {
 312         $this->_title = htmlspecialchars($title);
 313     }
 314
 315     /**
 316      * Disables the display of the top menu
 317      *
 318      * @return void
 319      */
 320     public function disableMenu()
 321     {
 322         $this->_menuEnabled = false;
 323     }
 324
 325     /**
 326      * Disables the display of the top menu
 327      *
 328      * @return void
 329      */
 330     public function disableWarnings()
 331     {
 332         $this->_warningsEnabled = false;
 333     }
 334
 335     /**
 336      * Turns on 'print view' mode
 337      *
 338      * @return void
 339      */
 340     public function enablePrintView()
 341     {
 342         $this->disableMenu();
 343         $this->setTitle(__('Print view') . ' - phpMyAdmin ' . PMA_VERSION);
 344         $this->_isPrintView = true;
 345     }
 346
 347     /**
 348      * Generates the header
 349      *
 350      * @return string The header
 351      */
 352     public function getDisplay()
 353     {
 354         $retval = '';
 355         if (! $this->_headerIsSent) {
 356             if (! $this->_isAjax && $this->_isEnabled) {
 357                 $this->sendHttpHeaders();
 358                 $retval .= $this->_getHtmlStart();
 359                 $retval .= $this->_getMetaTags();
 360                 $retval .= $this->_getLinkTags();
 361                 $retval .= $this->getTitleTag();
 362
 363                 // The user preferences have been merged at this point
 364                 // so we can conditionally add CodeMirror
 365                 if ($GLOBALS['cfg']['CodemirrorEnable']) {
 366                     $this->_scripts->addFile('codemirror/lib/codemirror.js');
 367                     $this->_scripts->addFile('codemirror/mode/sql/sql.js');
 368                     $this->_scripts->addFile('codemirror/addon/runmode/runmode.js');
 369                 }
 370                 if ($this->_userprefsOfferImport) {
 371                     $this->_scripts->addFile('config.js');
 372                 }
 373                 $retval .= $this->_scripts->getDisplay();
 374                 $retval .= $this->_getBodyStart();
 375                 if ($this->_menuEnabled && $GLOBALS['server'] > 0) {
 376                     $nav = new PMA_Navigation();
 377                     $retval .= $nav->getDisplay();
 378                 }
 379                 // Include possible custom headers
 380                 if (file_exists(CUSTOM_HEADER_FILE)) {
 381                     $retval .= '<div id="pma_header">';
 382                     ob_start();
 383                     include CUSTOM_HEADER_FILE;
 384                     $retval .= ob_get_contents();
 385                     ob_end_clean();
 386                     $retval .= '</div>';
 387                 }
 388                 // offer to load user preferences from localStorage
 389                 if ($this->_userprefsOfferImport) {
 390                     include_once './libraries/user_preferences.lib.php';
 391                     $retval .= PMA_userprefsAutoloadGetHeader();
 392                 }
 393                 // pass configuration for hint tooltip display
 394                 // (to be used by PMA_tooltip() in js/functions.js)
 395                 if (! $GLOBALS['cfg']['ShowHint']) {
 396                     $retval .= '<span id="no_hint" class="hide"></span>';
 397                 }
 398                 $retval .= $this->_getWarnings();
 399                 if ($this->_menuEnabled && $GLOBALS['server'] > 0) {
 400                     $retval .= $this->_menu->getDisplay();
 401                     $retval .= sprintf(
 402                         '<a id="goto_pagetop" href="#" title="%s">%s</a>',
 403                         __('Click on the bar to scroll to top of page'),
 404                         PMA_Util::getImage('s_top.png')
 405                     );
 406                 }
 407                 $retval .= '<div id="page_content">';
 408                 $retval .= $this->getMessage();
 409             }
 410             if ($this->_isEnabled && empty($_REQUEST['recent_table'])) {
 411                 $retval .= $this->_addRecentTable(
 412                     $GLOBALS['db'],
 413                     $GLOBALS['table']
 414                 );
 415             }
 416         }
 417         return $retval;
 418     }
 419
 420     /**
 421      * Returns the message to be displayed at the top of
 422      * the page, including the executed SQL query, if any.
 423      *
 424      * @return string
 425      */
 426     public function getMessage()
 427     {
 428         $retval = '';
 429         $message = '';
 430         if (! empty($GLOBALS['message'])) {
 431             $message = $GLOBALS['message'];
 432             unset($GLOBALS['message']);
 433         } else if (! empty($_REQUEST['message'])) {
 434             $message = $_REQUEST['message'];
 435         }
 436         if (! empty($message)) {
 437             if (isset($GLOBALS['buffer_message'])) {
 438                 $buffer_message = $GLOBALS['buffer_message'];
 439             }
 440             $retval .= PMA_Util::getMessage($message);
 441             if (isset($buffer_message)) {
 442                 $GLOBALS['buffer_message'] = $buffer_message;
 443             }
 444         }
 445         return $retval;
 446     }
 447
 448     /**
 449      * Sends out the HTTP headers
 450      *
 451      * @return void
 452      */
 453     public function sendHttpHeaders()
 454     {
 455         $https = $GLOBALS['PMA_Config']->isHttps();
 456         $mapTilesUrls = ' *.tile.openstreetmap.org *.tile.opencyclemap.org';
 457
 458         /**
 459          * Sends http headers
 460          */
 461         $GLOBALS['now'] = gmdate('D, d M Y H:i:s') . ' GMT';
 462         if (! defined('TESTSUITE')) {
 463             $use_captcha = (
 464                 !empty($GLOBALS['cfg']['CaptchaLoginPrivateKey'])
 465                 && !empty($GLOBALS['cfg']['CaptchaLoginPublicKey'])
 466             );
 467             /* Prevent against ClickJacking by disabling framing */
 468             if (! $GLOBALS['cfg']['AllowThirdPartyFraming']) {
 469                 header(
 470                     'X-Frame-Options: DENY'
 471                 );
 472             }
 473             header(
 474                 "Content-Security-Policy: default-src 'self' "
 475                 . ($use_captcha ? 'https://www.google.com ' : ' ')
 476                 . $GLOBALS['cfg']['CSPAllow'] . ';'
 477                 . "script-src 'self' 'unsafe-inline' 'unsafe-eval' "
 478                 . ($use_captcha ? 'https://www.google.com ' : ' ')
 479                 . $GLOBALS['cfg']['CSPAllow'] . ';'
 480                 . ";"
 481                 . "style-src 'self' 'unsafe-inline' "
 482                 . ($use_captcha ? 'https://www.google.com ' : ' ')
 483                 . $GLOBALS['cfg']['CSPAllow']
 484                 . ";"
 485                 . "img-src 'self' data: "
 486                 . $GLOBALS['cfg']['CSPAllow']
 487                 . ($https ? "" : $mapTilesUrls)
 488                 // for reCAPTCHA
 489                 . ($use_captcha ? ' https://www.google.com' : ' ')
 490                 . ";"
 491             );
 492             header(
 493                 "X-Content-Security-Policy: default-src 'self' "
 494                 . ($use_captcha ? 'https://www.google.com ' : ' ')
 495                 . $GLOBALS['cfg']['CSPAllow'] . ';'
 496                 . "options inline-script eval-script;"
 497                 . "img-src 'self' data: "
 498                 . $GLOBALS['cfg']['CSPAllow']
 499                 . ($https ? "" : $mapTilesUrls)
 500                 // for reCAPTCHA
 501                 . ($use_captcha ? ' https://www.google.com' : ' ')
 502                 . ";"
 503             );
 504             if (PMA_USR_BROWSER_AGENT == 'SAFARI'
 505                 && PMA_USR_BROWSER_VER < '6.0.0'
 506             ) {
 507                 header(
 508                     "X-WebKit-CSP: allow 'self' "
 509                     . ($use_captcha ? 'https://www.google.com ' : ' ')
 510                     . $GLOBALS['cfg']['CSPAllow'] . ';'
 511                     . "options inline-script eval-script;"
 512                     . "img-src 'self' data: "
 513                     . $GLOBALS['cfg']['CSPAllow']
 514                     . ($https ? "" : $mapTilesUrls)
 515                     // for reCAPTCHA
 516                     . ($use_captcha ? ' https://www.google.com' : ' ')
 517                     . ";"
 518                 );
 519             } else {
 520                 header(
 521                     "X-WebKit-CSP: default-src 'self' "
 522                     . ($use_captcha ? 'https://www.google.com ' : ' ')
 523                     . $GLOBALS['cfg']['CSPAllow'] . ';'
 524                     . "script-src 'self' "
 525                     . ($use_captcha ? 'https://www.google.com ' : ' ')
 526                     . $GLOBALS['cfg']['CSPAllow']
 527                     . " 'unsafe-inline' 'unsafe-eval';"
 528                     . "style-src 'self' 'unsafe-inline' "
 529                     . ($use_captcha ? 'https://www.google.com ' : ' ')
 530                     . ';'
 531                     . "img-src 'self' data: "
 532                     . $GLOBALS['cfg']['CSPAllow']
 533                     . ($https ? "" : $mapTilesUrls)
 534                     // for reCAPTCHA
 535                     . ($use_captcha ? ' https://www.google.com' : ' ')
 536                     . ";"
 537                 );
 538             }
 539         }
 540         PMA_noCacheHeader();
 541         if (! defined('IS_TRANSFORMATION_WRAPPER') && ! defined('TESTSUITE')) {
 542             // Define the charset to be used
 543             header('Content-Type: text/html; charset=utf-8');
 544         }
 545         $this->_headerIsSent = true;
 546     }
 547
 548     /**
 549      * Returns the DOCTYPE and the start HTML tag
 550      *
 551      * @return string DOCTYPE and HTML tags
 552      */
 553     private function _getHtmlStart()
 554     {
 555         $lang = $GLOBALS['available_languages'][$GLOBALS['lang']][1];
 556         $dir  = $GLOBALS['text_dir'];
 557
 558         $retval  = "<!DOCTYPE HTML>";
 559         $retval .= "<html lang='$lang' dir='$dir' class='";
 560         $retval .= strtolower(PMA_USR_BROWSER_AGENT) . " ";
 561         $retval .= strtolower(PMA_USR_BROWSER_AGENT)
 562             . intval(PMA_USR_BROWSER_VER) . "'>";
 563
 564         return $retval;
 565     }
 566
 567     /**
 568      * Returns the META tags
 569      *
 570      * @return string the META tags
 571      */
 572     private function _getMetaTags()
 573     {
 574         $retval  = '<meta charset="utf-8" />';
 575         $retval .= '<meta name="robots" content="noindex,nofollow" />';
 576         $retval .= '<meta http-equiv="X-UA-Compatible" content="IE=Edge">';
 577         if (! $GLOBALS['cfg']['AllowThirdPartyFraming']) {
 578             $retval .= '<style id="cfs-style">html{display: none;}</style>';
 579         }
 580         return $retval;
 581     }
 582
 583     /**
 584      * Returns the LINK tags for the favicon and the stylesheets
 585      *
 586      * @return string the LINK tags
 587      */
 588     private function _getLinkTags()
 589     {
 590         $retval = '<link rel="icon" href="favicon.ico" '
 591             . 'type="image/x-icon" />'
 592             . '<link rel="shortcut icon" href="favicon.ico" '
 593             . 'type="image/x-icon" />';
 594         // stylesheets
 595         $basedir    = defined('PMA_PATH_TO_BASEDIR') ? PMA_PATH_TO_BASEDIR : '';
 596         $common_url = PMA_URL_getCommon(array('server' => $GLOBALS['server']));
 597         $theme_id   = $GLOBALS['PMA_Config']->getThemeUniqueValue();
 598         $theme_path = $GLOBALS['pmaThemePath'];
 599
 600         if ($this->_isPrintView) {
 601             $retval .= '<link rel="stylesheet" type="text/css" href="'
 602                 . $basedir . 'print.css" />';
 603         } else {
 604             $retval .= '<link rel="stylesheet" type="text/css" href="'
 605                 . $basedir . 'phpmyadmin.css.php'
 606                 . $common_url . '&amp;nocache='
 607                 . $theme_id . $GLOBALS['text_dir'] . '" />';
 608             $retval .= '<link rel="stylesheet" type="text/css" href="'
 609                 . $theme_path . '/jquery/jquery-ui-1.9.2.custom.css" />';
 610         }
 611
 612         return $retval;
 613     }
 614
 615     /**
 616      * Returns the TITLE tag
 617      *
 618      * @return string the TITLE tag
 619      */
 620     public function getTitleTag()
 621     {
 622         $retval  = "<title>";
 623         $retval .= $this->_getPageTitle();
 624         $retval .= "</title>";
 625         return $retval;
 626     }
 627
 628     /**
 629      * If the page is missing the title, this function
 630      * will set it to something reasonable
 631      *
 632      * @return string
 633      */
 634     private function _getPageTitle()
 635     {
 636         if (empty($this->_title)) {
 637             if ($GLOBALS['server'] > 0) {
 638                 if (! empty($GLOBALS['table'])) {
 639                     $temp_title = $GLOBALS['cfg']['TitleTable'];
 640                 } else if (! empty($GLOBALS['db'])) {
 641                     $temp_title = $GLOBALS['cfg']['TitleDatabase'];
 642                 } elseif (! empty($GLOBALS['cfg']['Server']['host'])) {
 643                     $temp_title = $GLOBALS['cfg']['TitleServer'];
 644                 } else {
 645                     $temp_title = $GLOBALS['cfg']['TitleDefault'];
 646                 }
 647                 $this->_title = htmlspecialchars(
 648                     PMA_Util::expandUserString($temp_title)
 649                 );
 650             } else {
 651                 $this->_title = 'phpMyAdmin';
 652             }
 653         }
 654         return $this->_title;
 655     }
 656
 657     /**
 658      * Returns the close tag to the HEAD
 659      * and the start tag for the BODY
 660      *
 661      * @return string HEAD and BODY tags
 662      */
 663     private function _getBodyStart()
 664     {
 665         $retval = "</head><body";
 666         if (! empty($this->_bodyId)) {
 667             $retval .= " id='" . $this->_bodyId . "'";
 668         }
 669         $retval .= ">";
 670         return $retval;
 671     }
 672
 673     /**
 674      * Returns some warnings to be displayed at the top of the page
 675      *
 676      * @return string The warnings
 677      */
 678     private function _getWarnings()
 679     {
 680         $retval = '';
 681         if ($this->_warningsEnabled) {
 682             $retval .= "<noscript>";
 683             $retval .= PMA_message::error(
 684                 __("Javascript must be enabled past this point!")
 685             )->getDisplay();
 686             $retval .= "</noscript>";
 687         }
 688         return $retval;
 689     }
 690
 691     /**
 692      * Add recently used table and reload the navigation.
 693      *
 694      * @param string $db    Database name where the table is located.
 695      * @param string $table The table name
 696      *
 697      * @return string
 698      */
 699     private function _addRecentTable($db, $table)
 700     {
 701         $retval = '';
 702         if ($this->_menuEnabled
 703             && strlen($table)
 704             && $GLOBALS['cfg']['NumRecentTables'] > 0
 705         ) {
 706             $tmp_result = PMA_RecentFavoriteTable::getInstance('recent')->add($db, $table);
 707             if ($tmp_result === true) {
 708                 $params  = array('ajax_request' => true, 'recent_table' => true);
 709                 $url     = 'index.php' . PMA_URL_getCommon($params);
 710                 $retval  = '<a class="hide" id="update_recent_tables"';
 711                 $retval .= ' href="' . $url . '"></a>';
 712             } else {
 713                 $error  = $tmp_result;
 714                 $retval = $error->getDisplay();
 715             }
 716         }
 717         return $retval;
 718     }
 719 }
 720
 721 ?>