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deletenotice.php 5.64 KB
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<?php
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/**
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 * StatusNet, the distributed open-source microblogging tool
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 *
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 * Class for deleting a notice
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
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 * 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/>.
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 *
 * @category  Personal
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 * @package   StatusNet
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 * @author    Evan Prodromou <evan@status.net>
 * @author    Sarven Capadisli <csarven@status.net>
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 * @copyright 2008 StatusNet, Inc.
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 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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 * @link      http://status.net/
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 */

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if (!defined('STATUSNET') && !defined('LACONICA')) {
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    exit(1);
}
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class DeletenoticeAction extends Action
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{
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    var $error        = null;
    var $user         = null;
    var $notice       = null;
    var $profile      = null;
    var $user_profile = null;

    function prepare($args)
    {
        parent::prepare($args);

        $this->user   = common_current_user();
        $notice_id    = $this->trimmed('notice');
        $this->notice = Notice::staticGet($notice_id);

        if (!$this->notice) {
            common_user_error(_('No such notice.'));
            exit;
        }

        $this->profile      = $this->notice->getProfile();
        $this->user_profile = $this->user->getProfile();

        return true;
    }
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    function handle($args)
    {
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        parent::handle($args);
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        if (!common_logged_in()) {
            common_user_error(_('Not logged in.'));
            exit;
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        } else if ($this->notice->profile_id != $this->user_profile->id &&
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                   !$this->user->hasRight(Right::DELETEOTHERSNOTICE)) {
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            common_user_error(_('Can\'t delete this notice.'));
            exit;
        }
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        // XXX: Ajax!
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        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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            $this->deleteNotice();
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        } else if ($_SERVER['REQUEST_METHOD'] == 'GET') {
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            $this->showForm();
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        }
    }
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    /**
     * Show the page notice
     *
     * Shows instructions for the page
     *
     * @return void
     */

    function showPageNotice()
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    {
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        $instr  = $this->getInstructions();
        $output = common_markup_to_html($instr);

        $this->elementStart('div', 'instructions');
        $this->raw($output);
        $this->elementEnd('div');
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    }
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    function getInstructions()
    {
        return _('You are about to permanently delete a notice. ' .
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                 'Once this is done, it cannot be undone.');
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    }

    function title()
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    {
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        return _('Delete notice');
    }
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    /**
     * Wrapper for showing a page
     *
     * Stores an error and shows the page
     *
     * @param string $error Error, if any
     *
     * @return void
     */

    function showForm($error = null)
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    {
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        $this->error = $error;
        $this->showPage();
    }

    /**
     * Insert delete notice form into the content
     *
     * @return void
     */
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    function showContent()
    {
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        $this->elementStart('form', array('id' => 'form_notice_delete',
                                          'class' => 'form_settings',
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                                          'method' => 'post',
                                          'action' => common_local_url('deletenotice')));
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        $this->elementStart('fieldset');
        $this->element('legend', null, _('Delete notice'));
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        $this->hidden('token', common_session_token());
        $this->hidden('notice', $this->trimmed('notice'));
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        $this->element('p', null, _('Are you sure you want to delete this notice?'));
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        $this->submit('form_action-no',
                      // TRANS: Button label on the delete notice form.
                      _m('BUTTON','No'),
                      'submit form_action-primary',
                      'no',
                      // TRANS: Submit button title for 'No' when deleting a notice.
                      _("Do not delete this notice"));
        $this->submit('form_action-yes',
                      // TRANS: Button label on the delete notice form.
                      _m('BUTTON','Yes'),
                      'submit form_action-secondary',
                      'yes',
                      // TRANS: Submit button title for 'Yes' when deleting a notice.
                      _('Delete this notice'));
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        $this->elementEnd('fieldset');
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        $this->elementEnd('form');
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    }
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    function deleteNotice()
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    {
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        // CSRF protection
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        $token = $this->trimmed('token');
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        if (!$token || $token != common_session_token()) {
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            $this->showForm(_('There was a problem with your session token. ' .
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                              'Try again, please.'));
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            return;
        }
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        if ($this->arg('yes')) {
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            if (Event::handle('StartDeleteOwnNotice', array($this->user, $this->notice))) {
                $this->notice->delete();
                Event::handle('EndDeleteOwnNotice', array($this->user, $this->notice));
            }
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        }
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        $url = common_get_returnto();
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        if ($url) {
            common_set_returnto(null);
        } else {
            $url = common_local_url('public');
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        }
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        common_redirect($url, 303);
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    }
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}