blocks/login/block_login.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Login block
  19  *
  20  * @package   block_login
  21  * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 class block_login extends block_base {
  26     function init() {
  27         $this->title = get_string('pluginname', 'block_login');
  28     }
  29
  30     function applicable_formats() {
  31         return array('site' => true);
  32     }
  33
  34     function get_content () {
  35         global $USER, $CFG, $SESSION;
  36         $wwwroot = '';
  37         $signup = '';
  38
  39         if ($this->content !== NULL) {
  40             return $this->content;
  41         }
  42
  43         if (empty($CFG->loginhttps)) {
  44             $wwwroot = $CFG->wwwroot;
  45         } else {
  46             // This actually is not so secure ;-), 'cause we're
  47             // in unencrypted connection...
  48             $wwwroot = str_replace("http://", "https://", $CFG->wwwroot);
  49         }
  50
  51         if (!empty($CFG->registerauth)) {
  52             $authplugin = get_auth_plugin($CFG->registerauth);
  53             if ($authplugin->can_signup()) {
  54                 $signup = $wwwroot . '/login/signup.php';
  55             }
  56         }
  57         // TODO: now that we have multiauth it is hard to find out if there is a way to change password
  58         $forgot = $wwwroot . '/login/forgot_password.php';
  59
  60         if (!empty($CFG->loginpasswordautocomplete)) {
  61             $autocomplete = 'autocomplete="off"';
  62         } else {
  63             $autocomplete = '';
  64         }
  65
  66         $username = get_moodle_cookie();
  67
  68         $this->content = new stdClass();
  69         $this->content->footer = '';
  70         $this->content->text = '';
  71
  72         if (!isloggedin() or isguestuser()) {   // Show the block
  73             if (empty($CFG->authloginviaemail)) {
  74                 $strusername = get_string('username');
  75             } else {
  76                 $strusername = get_string('usernameemail');
  77             }
  78
  79             $this->content->text .= "\n".'<form class="loginform" id="login" method="post" action="'.get_login_url().'" '.$autocomplete.'>';
  80
  81             $this->content->text .= '<div class="c1 fld username"><label for="login_username">'.$strusername.'</label>';
  82             $this->content->text .= '<input type="text" name="username" id="login_username" value="'.s($username).'" /></div>';
  83
  84             $this->content->text .= '<div class="c1 fld password"><label for="login_password">'.get_string('password').'</label>';
  85
  86             $this->content->text .= '<input type="password" name="password" id="login_password" value="" '.$autocomplete.' /></div>';
  87
  88             if (isset($CFG->rememberusername) and $CFG->rememberusername == 2) {
  89                 $checked = $username ? 'checked="checked"' : '';
  90                 $this->content->text .= '<div class="c1 rememberusername"><input type="checkbox" name="rememberusername" id="rememberusername" value="1" '.$checked.'/>';
  91                 $this->content->text .= ' <label for="rememberusername">'.get_string('rememberusername', 'admin').'</label></div>';
  92             }
  93
  94             $this->content->text .= '<div class="c1 btn"><input type="submit" value="'.get_string('login').'" /></div>';
  95
  96             $this->content->text .= "</form>\n";
  97
  98             if (!empty($signup)) {
  99                 $this->content->footer .= '<div><a href="'.$signup.'">'.get_string('startsignup').'</a></div>';
 100             }
 101             if (!empty($forgot)) {
 102                 $this->content->footer .= '<div><a href="'.$forgot.'">'.get_string('forgotaccount').'</a></div>';
 103             }
 104         }
 105
 106         return $this->content;
 107     }
 108 }
 109
 110