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openidadminpanel.php 7.07 KB
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<?php
/**
 * StatusNet, the distributed open-source microblogging tool
 *
 * OpenID bridge administration panel
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Settings
 * @package   StatusNet
 * @author    Zach Copley <zach@status.net>
 * @copyright 2010 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    exit(1);
}

/**
 * Administer global OpenID settings
 *
 * @category Admin
 * @package  StatusNet
 * @author   Zach Copley <zach@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link     http://status.net/
 */

class OpenidadminpanelAction extends AdminPanelAction
{
    /**
     * Returns the page title
     *
     * @return string page title
     */

    function title()
    {
        return _m('OpenID');
    }

    /**
     * Instructions for using this form.
     *
     * @return string instructions
     */

    function getInstructions()
    {
        return _m('OpenID settings');
    }

    /**
     * Show the OpenID admin panel form
     *
     * @return void
     */

    function showForm()
    {
        $form = new OpenIDAdminPanelForm($this);
        $form->show();
        return;
    }

    /**
     * Save settings from the form
     *
     * @return void
     */

    function saveSettings()
    {
        static $settings = array(
            'openid' => array('trusted_provider', 'required_team')
        );

        static $booleans = array(
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            'openid' => array('append_username'),
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            'site' => array('openidonly')
        );

        $values = array();

        foreach ($settings as $section => $parts) {
            foreach ($parts as $setting) {
                $values[$section][$setting]
                    = $this->trimmed($setting);
            }
        }

        foreach ($booleans as $section => $parts) {
            foreach ($parts as $setting) {
                $values[$section][$setting]
                    = ($this->boolean($setting)) ? 1 : 0;
            }
        }

        // This throws an exception on validation errors

        $this->validate($values);

        // assert(all values are valid);

        $config = new Config();

        $config->query('BEGIN');

        foreach ($settings as $section => $parts) {
            foreach ($parts as $setting) {
                Config::save($section, $setting, $values[$section][$setting]);
            }
        }

        foreach ($booleans as $section => $parts) {
            foreach ($parts as $setting) {
                Config::save($section, $setting, $values[$section][$setting]);
            }
        }

        $config->query('COMMIT');

        return;
    }

    function validate(&$values)
    {
        // Validate consumer key and secret (can't be too long)

        if (mb_strlen($values['openid']['trusted_provider']) > 255) {
            $this->clientError(
                _m("Invalid provider URL. Max length is 255 characters.")
            );
        }

        if (mb_strlen($values['openid']['required_team']) > 255) {
            $this->clientError(
                _m("Invalid team name. Max length is 255 characters.")
            );
        }
    }
}

class OpenIDAdminPanelForm extends AdminForm
{
    /**
     * ID of the form
     *
     * @return int ID of the form
     */

    function id()
    {
        return 'openidadminpanel';
    }

    /**
     * class of the form
     *
     * @return string class of the form
     */

    function formClass()
    {
        return 'form_settings';
    }

    /**
     * Action of the form
     *
     * @return string URL of the action
     */

    function action()
    {
        return common_local_url('openidadminpanel');
    }

    /**
     * Data elements of the form
     *
     * @return void
     *
     * @todo Some of the options could prevent users from logging in again.
     *       Make sure that the acting administrator has a valid OpenID matching,
     *       or more carefully warn folks.
     */

    function formData()
    {
        $this->out->elementStart(
            'fieldset',
            array('id' => 'settings_openid')
        );
        $this->out->element('legend', null, _m('Trusted provider'));
        $this->out->element('p', 'form_guide',
            _m('By default, users are allowed to authenticate with any OpenID provider. ' .
               'If you are using your own OpenID service for shared sign-in, ' .
               'you can restrict access to only your own users here.'));
        $this->out->elementStart('ul', 'form_data');

        $this->li();
        $this->input(
            'trusted_provider',
            _m('Provider URL'),
            _m('All OpenID logins will be sent to this URL; other providers may not be used.'),
            'openid'
        );
        $this->unli();

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        $this->li();
        $this->out->checkbox(
            'append_username', _m('Append a username to base URL'),
            (bool) $this->value('append_username', 'openid'),
            _m('Login form will show the base URL and prompt for a username to add at the end. Use when OpenID provider URL should be the profile page for individual users.'),
            'true'
        );
        $this->unli();

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        $this->li();
        $this->input(
            'required_team',
             _m('Required team'),
            _m('Only allow logins from users in the given team (Launchpad extension).'),
            'openid'
        );
        $this->unli();

        $this->out->elementEnd('ul');
        $this->out->elementEnd('fieldset');

        $this->out->elementStart(
            'fieldset',
            array('id' => 'settings_openid-options')
        );
        $this->out->element('legend', null, _m('Options'));

        $this->out->elementStart('ul', 'form_data');

        $this->li();

        $this->out->checkbox(
            'openidonly', _m('Enable OpenID-only mode'),
            (bool) $this->value('openidonly', 'site'),
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            _m('Require all users to login via OpenID. Warning: disables password authentication for all users!'),
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            'true'
        );
        $this->unli();

        $this->out->elementEnd('ul');

        $this->out->elementEnd('fieldset');
    }

    /**
     * Action elements
     *
     * @return void
     */

    function formActions()
    {
        $this->out->submit('submit', _('Save'), 'submit', null, _m('Save OpenID settings'));
    }
}