phpmyadmin/libraries/plugins/auth/AuthenticationConfig.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Config Authentication plugin for phpMyAdmin
   5  *
   6  * @package    PhpMyAdmin-Authentication
   7  * @subpackage Config
   8  */
   9 if (! defined('PHPMYADMIN')) {
  10     exit;
  11 }
  12
  13 /* Get the authentication interface */
  14 require_once 'libraries/plugins/AuthenticationPlugin.class.php';
  15
  16 /**
  17  * Handles the config authentication method
  18  *
  19  * @package PhpMyAdmin-Authentication
  20  */
  21 class AuthenticationConfig extends AuthenticationPlugin
  22 {
  23     /**
  24      * Displays authentication form
  25      *
  26      * @return boolean always true
  27      */
  28     public function auth()
  29     {
  30         return true;
  31     }
  32
  33     /**
  34      * Gets advanced authentication settings
  35      *
  36      * @return boolean always true
  37      */
  38     public function authCheck()
  39     {
  40         return true;
  41     }
  42
  43     /**
  44      * Set the user and password after last checkings if required
  45      *
  46      * @return boolean always true
  47      */
  48     public function authSetUser()
  49     {
  50         return true;
  51     }
  52
  53     /**
  54      * User is not allowed to login to MySQL -> authentication failed
  55      *
  56      * @global string  the MySQL error message PHP returns
  57      * @global string  the connection type (persistent or not)
  58      * @global string  the MySQL server port to use
  59      * @global string  the MySQL socket port to use
  60      * @global array   the current server settings
  61      * @global string  the font face to use in case of failure
  62      * @global string  the default font size to use in case of failure
  63      * @global string  the big font size to use in case of failure
  64      * @global boolean tell the "PMA_mysqlDie()" function headers have been
  65      *                 sent
  66      *
  67      * @return boolean   always true (no return indeed)
  68      */
  69     public function authFails()
  70     {
  71         $conn_error = PMA_DBI_getError();
  72         if (! $conn_error) {
  73             $conn_error = __('Cannot connect: invalid settings.');
  74         }
  75
  76         /* HTML header */
  77         $response = PMA_Response::getInstance();
  78         $response->getFooter()->setMinimal();
  79         $header = $response->getHeader();
  80         $header->setBodyId('loginform');
  81         $header->setTitle(__('Access denied'));
  82         $header->disableMenu();
  83         echo '<br /><br />
  84     <center>
  85         <h1>';
  86         echo sprintf(__('Welcome to %s'), ' phpMyAdmin ');
  87         echo '</h1>
  88     </center>
  89     <br />
  90     <table cellpadding="0" cellspacing="3" style="margin: 0 auto" width="80%">
  91         <tr>
  92             <td>';
  93         if (isset($GLOBALS['allowDeny_forbidden'])
  94             && $GLOBALS['allowDeny_forbidden']
  95         ) {
  96             trigger_error(__('Access denied'), E_USER_NOTICE);
  97         } else {
  98             // Check whether user has configured something
  99             if ($GLOBALS['PMA_Config']->source_mtime == 0) {
 100                 echo '<p>' . sprintf(
 101                     __(
 102                         'You probably did not create a configuration file.'
 103                         . ' You might want to use the %1$ssetup script%2$s to'
 104                         . ' create one.'
 105                     ),
 106                     '<a href="setup/">',
 107                     '</a>'
 108                 ) . '</p>' . "\n";
 109             } elseif (! isset($GLOBALS['errno'])
 110                 || (isset($GLOBALS['errno']) && $GLOBALS['errno'] != 2002)
 111                 && $GLOBALS['errno'] != 2003
 112             ) {
 113                 // if we display the "Server not responding" error, do not confuse
 114                 // users by telling them they have a settings problem
 115                 // (note: it's true that they could have a badly typed host name,
 116                 // but anyway the current message tells that the server
 117                 //  rejected the connection, which is not really what happened)
 118                 // 2002 is the error given by mysqli
 119                 // 2003 is the error given by mysql
 120                 trigger_error(
 121                     __(
 122                         'phpMyAdmin tried to connect to the MySQL server, and the'
 123                         . ' server rejected the connection. You should check the'
 124                         . ' host, username and password in your configuration and'
 125                         . ' make sure that they correspond to the information given'
 126                         . ' by the administrator of the MySQL server.'
 127                     ), E_USER_WARNING
 128                 );
 129             }
 130             echo PMA_Util::mysqlDie(
 131                 $conn_error, '', true, '', false
 132             );
 133         }
 134         $GLOBALS['error_handler']->dispUserErrors();
 135         echo '</td>
 136         </tr>
 137         <tr>
 138             <td>' . "\n";
 139         echo '<a href="'
 140             . $GLOBALS['cfg']['DefaultTabServer']
 141             . PMA_generate_common_url(array()) . '" class="button disableAjax">'
 142             . __('Retry to connect')
 143             . '</a>' . "\n";
 144         echo '</td>
 145         </tr>' . "\n";
 146         if (count($GLOBALS['cfg']['Servers']) > 1) {
 147             // offer a chance to login to other servers if the current one failed
 148             include_once './libraries/select_server.lib.php';
 149             echo '<tr>' . "\n";
 150             echo ' <td>' . "\n";
 151             echo PMA_selectServer(true, true);
 152             echo ' </td>' . "\n";
 153             echo '</tr>' . "\n";
 154         }
 155         echo '</table>' . "\n";
 156         exit;
 157         return true;
 158     }
 159
 160     /**
 161      * This method is called when any PluginManager to which the observer
 162      * is attached calls PluginManager::notify()
 163      *
 164      * @param SplSubject $subject The PluginManager notifying the observer
 165      *                            of an update.
 166      *
 167      * @return void
 168      */
 169     public function update (SplSubject $subject)
 170     {
 171     }
 172 }