Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Login block

 *

 * @package   block_login

 * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class block_login extends block_base {

    function init() {

        $this->title = get_string('pluginname', 'block_login');

    }

    function applicable_formats() {

        return array('site' => true);

    }

    function get_content() {

        global $USER, $CFG, $SESSION, $OUTPUT;

        require_once($CFG->libdir . '/authlib.php');

        $wwwroot = '';

        $signup = '';

        if ($this->content !== NULL) {

            return $this->content;

        }

        $wwwroot = $CFG->wwwroot;

        if (signup_is_enabled()) {

            $signup = $wwwroot . '/login/signup.php';

        }

        // TODO: now that we have multiauth it is hard to find out if there is a way to change password

        $forgot = $wwwroot . '/login/forgot_password.php';

        $username = get_moodle_cookie();

        $this->content = new stdClass();

        $this->content->footer = '';

        $this->content->text = '';

        if (!isloggedin() or isguestuser()) {   // Show the block

            if (empty($CFG->authloginviaemail)) {

                $strusername = get_string('username');

            } else {

                $strusername = get_string('usernameemail');

            }

            $this->content->text .= "\n".'<form class="loginform" id="login" method="post" action="'.get_login_url().'">';

            $this->content->text .= '<div class="mb-3">';

            $this->content->text .= '<label for="login_username">'.$strusername.'</label>';

            $this->content->text .= '<input type="text" name="username" id="login_username" ';

            $this->content->text .= ' class="form-control" value="'.s($username).'" autocomplete="username"/></div>';

            $this->content->text .= '<div class="mb-3"><label for="login_password">'.get_string('password').'</label>';

            $this->content->text .= '<input type="password" name="password" id="login_password" ';

            $this->content->text .= ' class="form-control" value="" autocomplete="current-password"/>';

            $this->content->text .= '</div>';

            // ReCaptcha.

            if (login_captcha_enabled()) {

                require_once($CFG->libdir . '/recaptchalib_v2.php');

                $this->content->text .= '<div class="mb-3">';

                $this->content->text .= recaptcha_get_challenge_html(RECAPTCHA_API_URL, $CFG->recaptchapublickey,

                    current_language(), true);

                $this->content->text .= '</div>';

            }

            $this->content->text .= '<div class="mb-3">';

            $this->content->text .= '<input type="submit" class="btn btn-primary btn-block" value="'.get_string('login').'" />';

            $this->content->text .= '</div>';

            $this->content->text .= '<input type="hidden" name="logintoken" value="'.s(\core\session\manager::get_login_token()).'" />';

            $this->content->text .= "</form>\n";

            if (!empty($signup)) {

                $this->content->text .= '<div><a href="'.$signup.'">'.get_string('startsignup').'</a></div>';

            }

            if (!empty($forgot)) {

                $this->content->text .= '<div><a href="'.$forgot.'">'.get_string('forgotaccount').'</a></div>';

            }

            $authsequence = get_enabled_auth_plugins(); // Get all auths, in sequence.

            $potentialidps = array();

            foreach ($authsequence as $authname) {

                $authplugin = get_auth_plugin($authname);

                $potentialidps = array_merge($potentialidps, $authplugin->loginpage_idp_list($this->page->url->out(false)));

            }

            if (!empty($potentialidps)) {

                $this->content->text .= '<div class="potentialidps">';

                $this->content->text .= '<h6>' . get_string('potentialidps', 'auth') . '</h6>';

                $this->content->text .= '<div class="potentialidplist">';

                foreach ($potentialidps as $idp) {

                    $this->content->text .= '<div class="potentialidp">';

                    $this->content->text .= '<a class="btn btn-secondary btn-block" ';

                    $this->content->text .= 'href="' . $idp['url']->out() . '" title="' . s($idp['name']) . '">';

                    if (!empty($idp['iconurl'])) {

                        $this->content->text .= '<img src="' . s($idp['iconurl']) . '" width="24" height="24" class="mr-1"/>';

                    }

                    $this->content->text .= s($idp['name']) . '</a></div>';

                }

                $this->content->text .= '</div>';

                $this->content->text .= '</div>';

            }

        }

        return $this->content;

    }

}