616 lines
20 KiB
PHP
616 lines
20 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Base class for all actions (~views)
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*
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* PHP version 5
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*
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* 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
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Action
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @copyright 2008 Control Yourself, 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://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/form.php';
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require_once INSTALLDIR.'/lib/htmloutputter.php';
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/**
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* Base class for all actions
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*
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* This is the base class for all actions in the package. An action is
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* more or less a "view" in an MVC framework.
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*
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* Actions are responsible for extracting and validating parameters; using
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* model classes to read and write to the database; and doing ouput.
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*
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* @category Output
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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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://laconi.ca/
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*
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* @see HTMLOutputter
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*/
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class Action extends HTMLOutputter // lawsuit
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{
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var $args;
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function Action()
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{
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}
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// For initializing members of the class
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function prepare($argarray)
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{
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$this->args =& common_copy_args($argarray);
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return true;
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}
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function showPage()
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{
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$this->startHTML();
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$this->showHead();
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$this->showBody();
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$this->endHTML();
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}
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function showHead()
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{
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// XXX: attributes (profile?)
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$this->startElement('head');
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$this->showTitle();
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$this->showStylesheets();
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$this->showScripts();
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$this->showOpenSearch();
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$this->showFeeds();
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$this->showDescription();
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$this->extraHead();
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$this->elementElement('head');
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}
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function showTitle()
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{
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$this->element('title', null,
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sprintf(_("%s - %s"),
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$this->title(),
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common_config('site', 'name')));
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}
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// SHOULD overload
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function title()
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{
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return _("Untitled page");
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}
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function showStylesheets()
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{
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$this->element('link', array('rel' => 'stylesheet',
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'type' => 'text/css',
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'href' => theme_path('display.css') . '?version=' . LACONICA_VERSION,
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'media' => 'screen, projection, tv'));
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foreach (array(6,7) as $ver) {
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if (file_exists(theme_file('ie'.$ver.'.css'))) {
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// Yes, IE people should be put in jail.
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$xw->writeComment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
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'href="'.theme_path('ie'.$ver.'.css').'?version='.LACONICA_VERSION.'" /><![endif]');
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}
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}
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}
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function showScripts()
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{
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$this->element('script', array('type' => 'text/javascript',
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'src' => common_path('js/jquery.min.js')),
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' ');
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$this->element('script', array('type' => 'text/javascript',
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'src' => common_path('js/jquery.form.js')),
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' ');
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$this->element('script', array('type' => 'text/javascript',
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'src' => common_path('js/xbImportNode.js')),
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' ');
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$this->element('script', array('type' => 'text/javascript',
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'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
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' ');
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}
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function showOpenSearch()
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{
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$this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
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'href' => common_local_url('opensearch', array('type' => 'people')),
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'title' => common_config('site', 'name').' People Search'));
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$this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
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'href' => common_local_url('opensearch', array('type' => 'notice')),
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'title' => common_config('site', 'name').' Notice Search'));
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}
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// MAY overload
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function showFeeds()
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{
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// does nothing by default
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}
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// SHOULD overload
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function showDescription()
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{
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// does nothing by default
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}
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// MAY overload
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function extraHead()
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{
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// does nothing by default
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}
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function showBody()
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{
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$this->elementStart('body');
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$this->elementStart('wrap');
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$this->showHeader();
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$this->showCore();
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$this->showFooter();
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$this->elementEnd('wrap');
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$this->elementEnd('body');
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}
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function showHeader()
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{
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$this->elementStart('div', array('id' => 'header'));
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$this->showLogo();
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$this->showPrimaryNav();
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$this->showSiteNotice();
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$this->showNoticeForm();
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$this->elementEnd('div');
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}
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function showLogo()
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{
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$this->elementStart('address', array('id' => 'site_contact',
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'class' => 'vcard'));
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$this->elementStart('a', array('class' => 'url home bookmark',
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'href' => common_local_url('public')));
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if ((isset($config['site']['logo']) && is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
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|| file_exists(theme_file('logo.png')))
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{
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$this->element('img', array('class' => 'logo photo',
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'src' => isset($config['site']['logo']) ?
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($config['site']['logo']) : theme_path('logo.png'),
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'alt' => $config['site']['name']));
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}
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$this->element('span', array('class' => 'fn org'), $config['site']['name']);
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$this->elementEnd('a');
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$this->elementEnd('address');
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}
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function showPrimaryNav()
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{
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$this->elementStart('dl', array('id' => 'site_nav_global_primary'));
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$this->element('dt', null, _('Primary site navigation'));
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$user = common_current_user();
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$this->elementStart('ul', array('id' => 'nav'));
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if ($user) {
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common_menu_item(common_local_url('all', array('nickname' => $user->nickname)),
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_('Home'));
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}
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common_menu_item(common_local_url('peoplesearch'), _('Search'));
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if ($user) {
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common_menu_item(common_local_url('profilesettings'),
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_('Settings'));
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common_menu_item(common_local_url('invite'),
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_('Invite'));
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common_menu_item(common_local_url('logout'),
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_('Logout'));
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} else {
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common_menu_item(common_local_url('login'), _('Login'));
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if (!common_config('site', 'closed')) {
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common_menu_item(common_local_url('register'), _('Register'));
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}
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common_menu_item(common_local_url('openidlogin'), _('OpenID'));
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}
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common_menu_item(common_local_url('doc', array('title' => 'help')),
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_('Help'));
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$this->elementEnd('ul');
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$this->elementEnd('dl');
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}
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// Revist. Should probably do an hAtom pattern here
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function showSiteNotice()
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{
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$this->elementStart('dl', array('id' => 'site_notice',
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'class' => 'system_notice'));
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$this->element('dt', null, _('Site notice'));
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$this->elementStart('dd', null);
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// Output a bunch of paragraphs here
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$this->elementEnd('dd');
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}
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// MAY overload if no notice form needed... or direct message box????
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function showNoticeForm()
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{
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$notice_form = new NoticeForm();
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$notice_form->show();
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}
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function showCore()
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{
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$this->elementStart('div' array('class' => 'core'));
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$this->showLocalNav();
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$this->showContentBlock();
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$this->showAside();
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$this->elementEnd('div');
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}
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// SHOULD overload (perhaps this should be a MUST because sometimes it is not used)
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function showLocalNav($menu)
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{
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$action = $this->trimmed('action');
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$this->elementStart('dl', array('id' => 'site_nav_local_views'));
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$this->element('dt', null, _('Local views'));
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$this->elementStart('ul', array('id' => 'nav'));
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foreach ($menu as $menuaction => $menudesc) {
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common_menu_item(common_local_url($menuaction,
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isset($menudesc[2]) ? $menudesc[2] : null),
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$menudesc[0],
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$menudesc[1],
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$action == $menuaction);
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}
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$this->elementEnd('ul');
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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function showContentBlock()
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{
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$this->elementStart('div', array('id' => 'content'));
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$this->showPageTitle();
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$this->showPageNotice();
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$this->showContent();
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$this->elementEnd('div');
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}
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function showPageTitle() {
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$this->element('h1', NULL, $this->title());
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}
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// SHOULD overload (unless there's not a notice)
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function showPageNotice()
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{
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$this->elementStart('dl', array('id' => 'page_notice',
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'class' => 'system_notice'));
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$this->element('dt', null, _('Page notice'));
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$this->elementStart('dd', null);
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// Output a bunch of paragraphs here
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$this->elementEnd('dd');
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}
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// MUST overload
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function showContent()
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{
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// show the actual content (forms, lists, whatever)
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$this->elementStart('div', array('id' => 'content_inner'));
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$this->elementEnd('div');
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}
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function showAside()
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{
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$this->showExportData();
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$this->showSections();
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}
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// MAY overload if there are feeds
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function showExportData()
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{
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// is there structure to this?
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// list of (visible!) feed links
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// can we reuse list of feeds from showFeeds() ?
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}
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// SHOULD overload
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function showSections() {
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// for each section, show it
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}
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function showFooter()
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{
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$this->elementStart('div', array('id' => 'footer'));
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$this->showSecondaryNav();
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$this->showLicenses();
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$this->elementEnd('div');
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}
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function showSecondaryNav()
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{
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$this->elementStart('ul', array('id' => 'nav_sub'));
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common_menu_item(common_local_url('doc', array('title' => 'help')),
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_('Help'));
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common_menu_item(common_local_url('doc', array('title' => 'about')),
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_('About'));
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common_menu_item(common_local_url('doc', array('title' => 'faq')),
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_('FAQ'));
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common_menu_item(common_local_url('doc', array('title' => 'privacy')),
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_('Privacy'));
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common_menu_item(common_local_url('doc', array('title' => 'source')),
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_('Source'));
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common_menu_item(common_local_url('doc', array('title' => 'contact')),
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_('Contact'));
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$this->elementEnd('ul');
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}
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function showLicenses()
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{
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$this->elementStart('dl', array('id' => 'licenses'));
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$this->showLaconicaLicense();
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$this->showContentLicense();
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$this->elementEnd('dl');
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}
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function showLaconicaLicense()
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{
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$this->element('dt', array('id' => 'site_laconica_license'), _('Laconica software license'));
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$this->elementStart('dd', null);
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if (common_config('site', 'broughtby')) {
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$instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
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} else {
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$instr = _('**%%site.name%%** is a microblogging service. ');
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}
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$instr .= sprintf(_('It runs the [Laconica](http://laconi.ca/) microblogging software, version %s, available under the [GNU Affero General Public License](http://www.fsf.org/licensing/licenses/agpl-3.0.html).'), LACONICA_VERSION);
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$output = common_markup_to_html($instr);
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common_raw($output);
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$this->elementEnd('dd');
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// do it
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}
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function showContentLicense()
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{
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$this->element('dt', array('id' => 'site_content_license'), _('Laconica software license'));
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$this->elementStart('dd', array('id' => 'site_content_license_cc'));
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$this->elementStart('p');
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common_text(_('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
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$this->element('a', array('class' => 'license',
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'rel' => 'external license',
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'href' => $config['license']['url']),
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$config['license']['title']);
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common_text(_('. Contributors should be attributed by full name or nickname.'));
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$this->elementEnd('p');
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$this->element('img', array('id' => 'license_cc',
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'src' => $config['license']['image'],
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'alt' => $config['license']['title']));
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$this->elementEnd('dd');
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}
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// For comparison with If-Last-Modified
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// If not applicable, return null
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function last_modified()
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{
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return null;
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}
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function etag()
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{
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return null;
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}
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function is_readonly()
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{
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return false;
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}
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function arg($key, $def=null)
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{
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if (array_key_exists($key, $this->args)) {
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return $this->args[$key];
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} else {
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return $def;
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}
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}
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function trimmed($key, $def=null)
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{
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$arg = $this->arg($key, $def);
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return (is_string($arg)) ? trim($arg) : $arg;
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}
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// Note: argarray ignored, since it's now passed in in prepare()
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function handle($argarray=null)
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{
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$lm = $this->last_modified();
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$etag = $this->etag();
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if ($etag) {
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header('ETag: ' . $etag);
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}
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if ($lm) {
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header('Last-Modified: ' . date(DATE_RFC1123, $lm));
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$if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
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if ($if_modified_since) {
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$ims = strtotime($if_modified_since);
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if ($lm <= $ims) {
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if (!$etag ||
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$this->_has_etag($etag, $_SERVER['HTTP_IF_NONE_MATCH'])) {
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header('HTTP/1.1 304 Not Modified');
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// Better way to do this?
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exit(0);
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}
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}
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}
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}
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}
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function _has_etag($etag, $if_none_match)
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{
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return ($if_none_match) && in_array($etag, explode(',', $if_none_match));
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}
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function boolean($key, $def=false)
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{
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$arg = strtolower($this->trimmed($key));
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if (is_null($arg)) {
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return $def;
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} else if (in_array($arg, array('true', 'yes', '1'))) {
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return true;
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} else if (in_array($arg, array('false', 'no', '0'))) {
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return false;
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} else {
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return $def;
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}
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}
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function server_error($msg, $code=500)
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{
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$action = $this->trimmed('action');
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common_debug("Server error '$code' on '$action': $msg", __FILE__);
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common_server_error($msg, $code);
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}
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function client_error($msg, $code=400)
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{
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$action = $this->trimmed('action');
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common_debug("User error '$code' on '$action': $msg", __FILE__);
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common_user_error($msg, $code);
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}
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function self_url()
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{
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$action = $this->trimmed('action');
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$args = $this->args;
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unset($args['action']);
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foreach (array_keys($_COOKIE) as $cookie) {
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unset($args[$cookie]);
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}
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return common_local_url($action, $args);
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}
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function nav_menu($menu)
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{
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$action = $this->trimmed('action');
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$this->elementStart('ul', array('id' => 'nav_views'));
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foreach ($menu as $menuaction => $menudesc) {
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common_menu_item(common_local_url($menuaction,
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isset($menudesc[2]) ? $menudesc[2] : null),
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$menudesc[0],
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$menudesc[1],
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$action == $menuaction);
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}
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$this->elementEnd('ul');
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}
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function common_show_header($pagetitle, $callable=null, $data=null, $headercall=null)
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{
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global $config, $xw;
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global $action; /* XXX: kind of cheating here. */
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common_start_html();
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$this->elementStart('head');
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if ($callable) {
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if ($data) {
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call_user_func($callable, $data);
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} else {
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call_user_func($callable);
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}
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}
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$this->elementEnd('head');
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$this->elementStart('body', $action);
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$this->elementStart('div', array('id' => 'wrap'));
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$this->elementStart('div', array('id' => 'content'));
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}
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// Added @id to li for some control. We might want to move this to htmloutputter.php
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function common_menu_item($id=null, $url, $text, $title=null, $is_selected=false)
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{
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$lattrs = array();
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if ($is_selected) {
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$lattrs['class'] = 'current';
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}
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$this->elementStart('li', (is_null($id)) ? null : array('id' => $id), $lattrs);
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$attrs['href'] = $url;
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if ($title) {
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$attrs['title'] = $title;
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}
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$this->element('a', $attrs, $text);
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$this->elementEnd('li');
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}
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// Does a little before-after block for next/prev page
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function pagination($have_before, $have_after, $page, $action, $args=null)
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{
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if ($have_before || $have_after) {
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$this->elementStart('div', array('class' => 'pagination'));
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$this->elementStart('dl', null);
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$this->element('dt', null, _('Pagination'));
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$this->elementStart('dd', null);
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$this->elementStart('ul', array('class' => 'nav'));
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}
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if ($have_before) {
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$pargs = array('page' => $page-1);
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$newargs = ($args) ? array_merge($args,$pargs) : $pargs;
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$this->elementStart('li', array('class' => 'nav_prev'));
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$this->element('a', array('href' => common_local_url($action, $newargs), 'rel' => 'prev'),
|
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_('After'));
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$this->elementEnd('li');
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}
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if ($have_after) {
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$pargs = array('page' => $page+1);
|
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$newargs = ($args) ? array_merge($args,$pargs) : $pargs;
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$this->elementStart('li', array('class' => 'nav_next'));
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$this->element('a', array('href' => common_local_url($action, $newargs), 'rel' => 'next'),
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_('Before'));
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$this->elementEnd('li');
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}
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if ($have_before || $have_after) {
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$this->elementEnd('ul');
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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$this->elementEnd('div');
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}
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}
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}
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