<?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * Laconica, the distributed open-source microblogging tool
*
- * This program is free software: you can redistribute it and/or modify
+ * Base class for all actions (~views)
+ *
+ * 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.
*
* 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 Action
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Sarven Capadisli <csarven@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+require_once INSTALLDIR.'/lib/noticeform.php';
+require_once INSTALLDIR.'/lib/htmloutputter.php';
+
+/**
+ * Base class for all actions
+ *
+ * This is the base class for all actions in the package. An action is
+ * more or less a "view" in an MVC framework.
+ *
+ * Actions are responsible for extracting and validating parameters; using
+ * model classes to read and write to the database; and doing ouput.
+ *
+ * @category Output
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Sarven Capadisli <csarven@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ *
+ * @see HTMLOutputter
*/
+class Action extends HTMLOutputter // lawsuit
+{
+ var $args;
+
+ /**
+ * Constructor
+ *
+ * Just wraps the HTMLOutputter constructor.
+ *
+ * @param string $output URI to output to, default = stdout
+ * @param boolean $indent Whether to indent output, default true
+ *
+ * @see XMLOutputter::__construct
+ * @see HTMLOutputter::__construct
+ */
+ function __construct($output='php://output', $indent=true)
+ {
+ parent::__construct($output, $indent);
+ }
+
+ /**
+ * For initializing members of the class.
+ *
+ * @param array $argarray misc. arguments
+ *
+ * @return boolean true
+ */
+ function prepare($argarray)
+ {
+ $this->args =& common_copy_args($argarray);
+ return true;
+ }
+
+ /**
+ * Show page, a template method.
+ *
+ * @return nothing
+ */
+ function showPage()
+ {
+ if (Event::handle('StartShowHTML', array($this))) {
+ $this->startHTML();
+ Event::handle('EndShowHTML', array($this));
+ }
+ if (Event::handle('StartShowHead', array($this))) {
+ $this->showHead();
+ Event::handle('EndShowHead', array($this));
+ }
+ if (Event::handle('StartShowBody', array($this))) {
+ $this->showBody();
+ Event::handle('EndShowBody', array($this));
+ }
+ if (Event::handle('StartEndHTML', array($this))) {
+ $this->endHTML();
+ Event::handle('EndEndHTML', array($this));
+ }
+ }
+
+ /**
+ * Show head, a template method.
+ *
+ * @return nothing
+ */
+ function showHead()
+ {
+ // XXX: attributes (profile?)
+ $this->elementStart('head');
+ $this->showTitle();
+ $this->showShortcutIcon();
+ $this->showStylesheets();
+ $this->showScripts();
+ $this->showOpenSearch();
+ $this->showFeeds();
+ $this->showDescription();
+ $this->extraHead();
+ $this->elementEnd('head');
+ }
+
+ /**
+ * Show title, a template method.
+ *
+ * @return nothing
+ */
+ function showTitle()
+ {
+ $this->element('title', null,
+ sprintf(_("%s - %s"),
+ $this->title(),
+ common_config('site', 'name')));
+ }
+
+ /**
+ * Returns the page title
+ *
+ * SHOULD overload
+ *
+ * @return string page title
+ */
+
+ function title()
+ {
+ return _("Untitled page");
+ }
+
+ /**
+ * Show themed shortcut icon
+ *
+ * @return nothing
+ */
+ function showShortcutIcon()
+ {
+ if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/favicon.ico')) {
+ $this->element('link', array('rel' => 'shortcut icon',
+ 'href' => theme_path('favicon.ico')));
+ } else {
+ $this->element('link', array('rel' => 'shortcut icon',
+ 'href' => common_path('favicon.ico')));
+ }
+
+ if (common_config('site', 'mobile')) {
+ if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/apple-touch-icon.png')) {
+ $this->element('link', array('rel' => 'apple-touch-icon',
+ 'href' => theme_path('apple-touch-icon.png')));
+ } else {
+ $this->element('link', array('rel' => 'apple-touch-icon',
+ 'href' => common_path('apple-touch-icon.png')));
+ }
+ }
+ }
+
+ /**
+ * Show stylesheets
+ *
+ * @return nothing
+ */
+ function showStylesheets()
+ {
+ if (Event::handle('StartShowStyles', array($this))) {
+ if (Event::handle('StartShowLaconicaStyles', array($this))) {
+ $this->element('link', array('rel' => 'stylesheet',
+ 'type' => 'text/css',
+ 'href' => theme_path('css/display.css', null) . '?version=' . LACONICA_VERSION,
+ 'media' => 'screen, projection, tv'));
+ if (common_config('site', 'mobile')) {
+ $this->element('link', array('rel' => 'stylesheet',
+ 'type' => 'text/css',
+ 'href' => theme_path('css/mobile.css', 'base') . '?version=' . LACONICA_VERSION,
+ // TODO: "handheld" CSS for other mobile devices
+ 'media' => 'only screen and (max-device-width: 480px)')); // Mobile WebKit
+ }
+ $this->element('link', array('rel' => 'stylesheet',
+ 'type' => 'text/css',
+ 'href' => theme_path('css/print.css', 'base') . '?version=' . LACONICA_VERSION,
+ 'media' => 'print'));
+ Event::handle('EndShowLaconicaStyles', array($this));
+ }
+ if (Event::handle('StartShowUAStyles', array($this))) {
+ $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
+ 'href="'.theme_path('css/ie.css', 'base').'?version='.LACONICA_VERSION.'" /><![endif]');
+ foreach (array(6,7) as $ver) {
+ if (file_exists(theme_file('css/ie'.$ver.'.css', 'base'))) {
+ // Yes, IE people should be put in jail.
+ $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
+ 'href="'.theme_path('css/ie'.$ver.'.css', 'base').'?version='.LACONICA_VERSION.'" /><![endif]');
+ }
+ }
+ $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
+ 'href="'.theme_path('css/ie.css', null).'?version='.LACONICA_VERSION.'" /><![endif]');
+ Event::handle('EndShowUAStyles', array($this));
+ }
+ Event::handle('EndShowStyles', array($this));
+ }
+ }
+
+ /**
+ * Show javascript headers
+ *
+ * @return nothing
+ */
+ function showScripts()
+ {
+ if (Event::handle('StartShowScripts', array($this))) {
+ if (Event::handle('StartShowJQueryScripts', array($this))) {
+ $this->element('script', array('type' => 'text/javascript',
+ 'src' => common_path('js/jquery.min.js')),
+ ' ');
+ $this->element('script', array('type' => 'text/javascript',
+ 'src' => common_path('js/jquery.form.js')),
+ ' ');
+ Event::handle('EndShowJQueryScripts', array($this));
+ }
+ if (Event::handle('StartShowLaconicaScripts', array($this))) {
+ $this->element('script', array('type' => 'text/javascript',
+ 'src' => common_path('js/xbImportNode.js')),
+ ' ');
+ $this->element('script', array('type' => 'text/javascript',
+ 'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
+ ' ');
+ // Frame-busting code to avoid clickjacking attacks.
+ $this->element('script', array('type' => 'text/javascript'),
+ 'if (window.top !== window.self) { window.top.location.href = window.self.location.href; }');
+ Event::handle('EndShowLaconicaScripts', array($this));
+ }
+ Event::handle('EndShowScripts', array($this));
+ }
+ }
+
+ /**
+ * Show OpenSearch headers
+ *
+ * @return nothing
+ */
+ function showOpenSearch()
+ {
+ $this->element('link', array('rel' => 'search',
+ 'type' => 'application/opensearchdescription+xml',
+ 'href' => common_local_url('opensearch', array('type' => 'people')),
+ 'title' => common_config('site', 'name').' People Search'));
+ $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
+ 'href' => common_local_url('opensearch', array('type' => 'notice')),
+ 'title' => common_config('site', 'name').' Notice Search'));
+ }
+
+ /**
+ * Show feed headers
+ *
+ * MAY overload
+ *
+ * @return nothing
+ */
+
+ function showFeeds()
+ {
+ $feeds = $this->getFeeds();
+
+ if ($feeds) {
+ foreach ($feeds as $feed) {
+ $this->element('link', array('rel' => $feed->rel(),
+ 'href' => $feed->url,
+ 'type' => $feed->mimeType(),
+ 'title' => $feed->title));
+ }
+ }
+ }
+
+ /**
+ * Show description.
+ *
+ * SHOULD overload
+ *
+ * @return nothing
+ */
+ function showDescription()
+ {
+ // does nothing by default
+ }
+
+ /**
+ * Show extra stuff in <head>.
+ *
+ * MAY overload
+ *
+ * @return nothing
+ */
+ function extraHead()
+ {
+ // does nothing by default
+ }
+
+ /**
+ * Show body.
+ *
+ * Calls template methods
+ *
+ * @return nothing
+ */
+ function showBody()
+ {
+ $this->elementStart('body', (common_current_user()) ? array('id' => $this->trimmed('action'),
+ 'class' => 'user_in')
+ : array('id' => $this->trimmed('action')));
+ $this->elementStart('div', array('id' => 'wrap'));
+ if (Event::handle('StartShowHeader', array($this))) {
+ $this->showHeader();
+ Event::handle('EndShowHeader', array($this));
+ }
+ $this->showCore();
+ if (Event::handle('StartShowFooter', array($this))) {
+ $this->showFooter();
+ Event::handle('EndShowFooter', array($this));
+ }
+ $this->elementEnd('div');
+ $this->elementEnd('body');
+ }
+
+ /**
+ * Show header of the page.
+ *
+ * Calls template methods
+ *
+ * @return nothing
+ */
+ function showHeader()
+ {
+ $this->elementStart('div', array('id' => 'header'));
+ $this->showLogo();
+ $this->showPrimaryNav();
+ $this->showSiteNotice();
+ if (common_logged_in()) {
+ $this->showNoticeForm();
+ } else {
+ $this->showAnonymousMessage();
+ }
+ $this->elementEnd('div');
+ }
+
+ /**
+ * Show configured logo.
+ *
+ * @return nothing
+ */
+ function showLogo()
+ {
+ $this->elementStart('address', array('id' => 'site_contact',
+ 'class' => 'vcard'));
+ $this->elementStart('a', array('class' => 'url home bookmark',
+ 'href' => common_local_url('public')));
+ if (common_config('site', 'logo') || file_exists(theme_file('logo.png'))) {
+ $this->element('img', array('class' => 'logo photo',
+ 'src' => (common_config('site', 'logo')) ? common_config('site', 'logo') : theme_path('logo.png'),
+ 'alt' => common_config('site', 'name')));
+ }
+ $this->element('span', array('class' => 'fn org'), common_config('site', 'name'));
+ $this->elementEnd('a');
+ $this->elementEnd('address');
+ }
+
+ /**
+ * Show primary navigation.
+ *
+ * @return nothing
+ */
+ function showPrimaryNav()
+ {
+ $user = common_current_user();
+
+ $this->elementStart('dl', array('id' => 'site_nav_global_primary'));
+ $this->element('dt', null, _('Primary site navigation'));
+ $this->elementStart('dd');
+ $this->elementStart('ul', array('class' => 'nav'));
+ if (Event::handle('StartPrimaryNav', array($this))) {
+ if ($user) {
+ $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
+ _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
+ $this->menuItem(common_local_url('profilesettings'),
+ _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
+ if (common_config('xmpp', 'enabled')) {
+ $this->menuItem(common_local_url('imsettings'),
+ _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
+ } else {
+ $this->menuItem(common_local_url('smssettings'),
+ _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
+ }
+ $this->menuItem(common_local_url('invite'),
+ _('Invite'),
+ sprintf(_('Invite friends and colleagues to join you on %s'),
+ common_config('site', 'name')),
+ false, 'nav_invitecontact');
+ $this->menuItem(common_local_url('logout'),
+ _('Logout'), _('Logout from the site'), false, 'nav_logout');
+ }
+ else {
+ if (!common_config('site', 'closed')) {
+ $this->menuItem(common_local_url('register'),
+ _('Register'), _('Create an account'), false, 'nav_register');
+ }
+ $this->menuItem(common_local_url('openidlogin'),
+ _('OpenID'), _('Login with OpenID'), false, 'nav_openid');
+ $this->menuItem(common_local_url('login'),
+ _('Login'), _('Login to the site'), false, 'nav_login');
+ }
+ $this->menuItem(common_local_url('doc', array('title' => 'help')),
+ _('Help'), _('Help me!'), false, 'nav_help');
+ $this->menuItem(common_local_url('peoplesearch'),
+ _('Search'), _('Search for people or text'), false, 'nav_search');
+ Event::handle('EndPrimaryNav', array($this));
+ }
+ $this->elementEnd('ul');
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ }
+
+ /**
+ * Show site notice.
+ *
+ * @return nothing
+ */
+ function showSiteNotice()
+ {
+ // Revist. Should probably do an hAtom pattern here
+ $text = common_config('site', 'notice');
+ if ($text) {
+ $this->elementStart('dl', array('id' => 'site_notice',
+ 'class' => 'system_notice'));
+ $this->element('dt', null, _('Site notice'));
+ $this->elementStart('dd', null);
+ $this->raw($text);
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ }
+ }
+
+ /**
+ * Show notice form.
+ *
+ * MAY overload if no notice form needed... or direct message box????
+ *
+ * @return nothing
+ */
+ function showNoticeForm()
+ {
+ $notice_form = new NoticeForm($this);
+ $notice_form->show();
+ }
+
+ /**
+ * Show anonymous message.
+ *
+ * SHOULD overload
+ *
+ * @return nothing
+ */
+ function showAnonymousMessage()
+ {
+ // needs to be defined by the class
+ }
+
+ /**
+ * Show core.
+ *
+ * Shows local navigation, content block and aside.
+ *
+ * @return nothing
+ */
+ function showCore()
+ {
+ $this->elementStart('div', array('id' => 'core'));
+ if (Event::handle('StartShowLocalNavBlock', array($this))) {
+ $this->showLocalNavBlock();
+ Event::handle('EndShowLocalNavBlock', array($this));
+ }
+ if (Event::handle('StartShowContentBlock', array($this))) {
+ $this->showContentBlock();
+ Event::handle('EndShowContentBlock', array($this));
+ }
+ $this->showAside();
+ $this->elementEnd('div');
+ }
+
+ /**
+ * Show local navigation block.
+ *
+ * @return nothing
+ */
+ function showLocalNavBlock()
+ {
+ $this->elementStart('dl', array('id' => 'site_nav_local_views'));
+ $this->element('dt', null, _('Local views'));
+ $this->elementStart('dd');
+ $this->showLocalNav();
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ }
+
+ /**
+ * Show local navigation.
+ *
+ * SHOULD overload
+ *
+ * @return nothing
+ */
+ function showLocalNav()
+ {
+ // does nothing by default
+ }
+
+ /**
+ * Show content block.
+ *
+ * @return nothing
+ */
+ function showContentBlock()
+ {
+ $this->elementStart('div', array('id' => 'content'));
+ $this->showPageTitle();
+ $this->showPageNoticeBlock();
+ $this->elementStart('div', array('id' => 'content_inner'));
+ // show the actual content (forms, lists, whatever)
+ $this->showContent();
+ $this->elementEnd('div');
+ $this->elementEnd('div');
+ }
+
+ /**
+ * Show page title.
+ *
+ * @return nothing
+ */
+ function showPageTitle()
+ {
+ $this->element('h1', null, $this->title());
+ }
+
+ /**
+ * Show page notice block.
+ *
+ * @return nothing
+ */
+ function showPageNoticeBlock()
+ {
+ $this->elementStart('dl', array('id' => 'page_notice',
+ 'class' => 'system_notice'));
+ $this->element('dt', null, _('Page notice'));
+ $this->elementStart('dd');
+ if (Event::handle('StartShowPageNotice', array($this))) {
+ $this->showPageNotice();
+ Event::handle('EndShowPageNotice', array($this));
+ }
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ }
+
+ /**
+ * Show page notice.
+ *
+ * SHOULD overload (unless there's not a notice)
+ *
+ * @return nothing
+ */
+ function showPageNotice()
+ {
+ }
+
+ /**
+ * Show content.
+ *
+ * MUST overload (unless there's not a notice)
+ *
+ * @return nothing
+ */
+ function showContent()
+ {
+ }
+
+ /**
+ * Show Aside.
+ *
+ * @return nothing
+ */
+
+ function showAside()
+ {
+ $this->elementStart('div', array('id' => 'aside_primary',
+ 'class' => 'aside'));
+ if (Event::handle('StartShowExportData', array($this))) {
+ $this->showExportData();
+ Event::handle('EndShowExportData', array($this));
+ }
+ if (Event::handle('StartShowSections', array($this))) {
+ $this->showSections();
+ Event::handle('EndShowSections', array($this));
+ }
+ $this->elementEnd('div');
+ }
+
+ /**
+ * Show export data feeds.
+ *
+ * @return void
+ */
+
+ function showExportData()
+ {
+ $feeds = $this->getFeeds();
+ if ($feeds) {
+ $fl = new FeedList($this);
+ $fl->show($feeds);
+ }
+ }
+
+ /**
+ * Show sections.
+ *
+ * SHOULD overload
+ *
+ * @return nothing
+ */
+ function showSections()
+ {
+ // for each section, show it
+ }
+
+ /**
+ * Show footer.
+ *
+ * @return nothing
+ */
+ function showFooter()
+ {
+ $this->elementStart('div', array('id' => 'footer'));
+ $this->showSecondaryNav();
+ $this->showLicenses();
+ $this->elementEnd('div');
+ }
+
+ /**
+ * Show secondary navigation.
+ *
+ * @return nothing
+ */
+ function showSecondaryNav()
+ {
+ $this->elementStart('dl', array('id' => 'site_nav_global_secondary'));
+ $this->element('dt', null, _('Secondary site navigation'));
+ $this->elementStart('dd', null);
+ $this->elementStart('ul', array('class' => 'nav'));
+ if (Event::handle('StartSecondaryNav', array($this))) {
+ $this->menuItem(common_local_url('doc', array('title' => 'help')),
+ _('Help'));
+ $this->menuItem(common_local_url('doc', array('title' => 'about')),
+ _('About'));
+ $this->menuItem(common_local_url('doc', array('title' => 'faq')),
+ _('FAQ'));
+ $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
+ _('Privacy'));
+ $this->menuItem(common_local_url('doc', array('title' => 'source')),
+ _('Source'));
+ $this->menuItem(common_local_url('doc', array('title' => 'contact')),
+ _('Contact'));
+ $this->menuItem(common_local_url('doc', array('title' => 'badge')),
+ _('Badge'));
+ Event::handle('EndSecondaryNav', array($this));
+ }
+ $this->elementEnd('ul');
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ }
+
+ /**
+ * Show licenses.
+ *
+ * @return nothing
+ */
+ function showLicenses()
+ {
+ $this->elementStart('dl', array('id' => 'licenses'));
+ $this->showLaconicaLicense();
+ $this->showContentLicense();
+ $this->elementEnd('dl');
+ }
+
+ /**
+ * Show Laconica license.
+ *
+ * @return nothing
+ */
+ function showLaconicaLicense()
+ {
+ $this->element('dt', array('id' => 'site_laconica_license'), _('Laconica software license'));
+ $this->elementStart('dd', null);
+ if (common_config('site', 'broughtby')) {
+ $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
+ } else {
+ $instr = _('**%%site.name%%** is a microblogging service. ');
+ }
+ $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);
+ $output = common_markup_to_html($instr);
+ $this->raw($output);
+ $this->elementEnd('dd');
+ // do it
+ }
+
+ /**
+ * Show content license.
+ *
+ * @return nothing
+ */
+ function showContentLicense()
+ {
+ $this->element('dt', array('id' => 'site_content_license'), _('Laconica software license'));
+ $this->elementStart('dd', array('id' => 'site_content_license_cc'));
+ $this->elementStart('p');
+ $this->element('img', array('id' => 'license_cc',
+ 'src' => common_config('license', 'image'),
+ 'alt' => common_config('license', 'title')));
+ //TODO: This is dirty: i18n
+ $this->text(_('All '.common_config('site', 'name').' content and data are available under the '));
+ $this->element('a', array('class' => 'license',
+ 'rel' => 'external license',
+ 'href' => common_config('license', 'url')),
+ common_config('license', 'title'));
+ $this->text(_('license.'));
+ $this->elementEnd('p');
+ $this->elementEnd('dd');
+ }
+
+ /**
+ * Return last modified, if applicable.
+ *
+ * MAY override
+ *
+ * @return string last modified http header
+ */
+ function lastModified()
+ {
+ // For comparison with If-Last-Modified
+ // If not applicable, return null
+ return null;
+ }
+
+ /**
+ * Return etag, if applicable.
+ *
+ * MAY override
+ *
+ * @return string etag http header
+ */
+ function etag()
+ {
+ return null;
+ }
+
+ /**
+ * Return true if read only.
+ *
+ * MAY override
+ *
+ * @param array $args other arguments
+ *
+ * @return boolean is read only action?
+ */
+
+ function isReadOnly($args)
+ {
+ return false;
+ }
+
+ /**
+ * Returns query argument or default value if not found
+ *
+ * @param string $key requested argument
+ * @param string $def default value to return if $key is not provided
+ *
+ * @return boolean is read only action?
+ */
+ function arg($key, $def=null)
+ {
+ if (array_key_exists($key, $this->args)) {
+ return $this->args[$key];
+ } else {
+ return $def;
+ }
+ }
+
+ /**
+ * Returns trimmed query argument or default value if not found
+ *
+ * @param string $key requested argument
+ * @param string $def default value to return if $key is not provided
+ *
+ * @return boolean is read only action?
+ */
+ function trimmed($key, $def=null)
+ {
+ $arg = $this->arg($key, $def);
+ return is_string($arg) ? trim($arg) : $arg;
+ }
+
+ /**
+ * Handler method
+ *
+ * @param array $argarray is ignored since it's now passed in in prepare()
+ *
+ * @return boolean is read only action?
+ */
+ function handle($argarray=null)
+ {
+ $lm = $this->lastModified();
+ $etag = $this->etag();
+ if ($etag) {
+ header('ETag: ' . $etag);
+ }
+ if ($lm) {
+ header('Last-Modified: ' . date(DATE_RFC1123, $lm));
+ if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
+ $ims = strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']);
+ if ($lm <= $ims) {
+ $if_none_match = $_SERVER['HTTP_IF_NONE_MATCH'];
+ if (!$if_none_match ||
+ !$etag ||
+ $this->_hasEtag($etag, $if_none_match)) {
+ header('HTTP/1.1 304 Not Modified');
+ // Better way to do this?
+ exit(0);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Has etag? (private)
+ *
+ * @param string $etag etag http header
+ * @param string $if_none_match ifNoneMatch http header
+ *
+ * @return boolean
+ */
+
+ function _hasEtag($etag, $if_none_match)
+ {
+ $etags = explode(',', $if_none_match);
+ return in_array($etag, $etags) || in_array('*', $etags);
+ }
+
+ /**
+ * Boolean understands english (yes, no, true, false)
+ *
+ * @param string $key query key we're interested in
+ * @param string $def default value
+ *
+ * @return boolean interprets yes/no strings as boolean
+ */
+ function boolean($key, $def=false)
+ {
+ $arg = strtolower($this->trimmed($key));
+
+ if (is_null($arg)) {
+ return $def;
+ } else if (in_array($arg, array('true', 'yes', '1'))) {
+ return true;
+ } else if (in_array($arg, array('false', 'no', '0'))) {
+ return false;
+ } else {
+ return $def;
+ }
+ }
+
+ /**
+ * Server error
+ *
+ * @param string $msg error message to display
+ * @param integer $code http error code, 500 by default
+ *
+ * @return nothing
+ */
+
+ function serverError($msg, $code=500)
+ {
+ $action = $this->trimmed('action');
+ common_debug("Server error '$code' on '$action': $msg", __FILE__);
+ throw new ServerException($msg, $code);
+ }
+
+ /**
+ * Client error
+ *
+ * @param string $msg error message to display
+ * @param integer $code http error code, 400 by default
+ *
+ * @return nothing
+ */
+
+ function clientError($msg, $code=400)
+ {
+ $action = $this->trimmed('action');
+ common_debug("User error '$code' on '$action': $msg", __FILE__);
+ throw new ClientException($msg, $code);
+ }
+
+ /**
+ * Returns the current URL
+ *
+ * @return string current URL
+ */
+
+ function selfUrl()
+ {
+ $action = $this->trimmed('action');
+ $args = $this->args;
+ unset($args['action']);
+ if (array_key_exists('submit', $args)) {
+ unset($args['submit']);
+ }
+ foreach (array_keys($_COOKIE) as $cookie) {
+ unset($args[$cookie]);
+ }
+ return common_local_url($action, $args);
+ }
-if (!defined('LACONICA')) { exit(1); }
+ /**
+ * Generate a menu item
+ *
+ * @param string $url menu URL
+ * @param string $text menu name
+ * @param string $title title attribute, null by default
+ * @param boolean $is_selected current menu item, false by default
+ * @param string $id element id, null by default
+ *
+ * @return nothing
+ */
+ function menuItem($url, $text, $title=null, $is_selected=false, $id=null)
+ {
+ // Added @id to li for some control.
+ // XXX: We might want to move this to htmloutputter.php
+ $lattrs = array();
+ if ($is_selected) {
+ $lattrs['class'] = 'current';
+ }
-class Action { // lawsuit
+ (is_null($id)) ? $lattrs : $lattrs['id'] = $id;
- var $args;
+ $this->elementStart('li', $lattrs);
+ $attrs['href'] = $url;
+ if ($title) {
+ $attrs['title'] = $title;
+ }
+ $this->element('a', $attrs, $text);
+ $this->elementEnd('li');
+ }
- function Action() {
- }
+ /**
+ * Generate pagination links
+ *
+ * @param boolean $have_before is there something before?
+ * @param boolean $have_after is there something after?
+ * @param integer $page current page
+ * @param string $action current action
+ * @param array $args rest of query arguments
+ *
+ * @return nothing
+ */
+ function pagination($have_before, $have_after, $page, $action, $args=null)
+ {
+ // Does a little before-after block for next/prev page
+ if ($have_before || $have_after) {
+ $this->elementStart('div', array('class' => 'pagination'));
+ $this->elementStart('dl', null);
+ $this->element('dt', null, _('Pagination'));
+ $this->elementStart('dd', null);
+ $this->elementStart('ul', array('class' => 'nav'));
+ }
+ if ($have_before) {
+ $pargs = array('page' => $page-1);
+ $this->elementStart('li', array('class' => 'nav_prev'));
+ $this->element('a', array('href' => common_local_url($action, $args, $pargs),
+ 'rel' => 'prev'),
+ _('After'));
+ $this->elementEnd('li');
+ }
+ if ($have_after) {
+ $pargs = array('page' => $page+1);
+ $this->elementStart('li', array('class' => 'nav_next'));
+ $this->element('a', array('href' => common_local_url($action, $args, $pargs),
+ 'rel' => 'next'),
+ _('Before'));
+ $this->elementEnd('li');
+ }
+ if ($have_before || $have_after) {
+ $this->elementEnd('ul');
+ $this->elementEnd('dd');
+ $this->elementEnd('dl');
+ $this->elementEnd('div');
+ }
+ }
- function arg($key) {
- if (array_key_exists($key, $this->args)) {
- return $this->args[$key];
- } else {
- return NULL;
- }
- }
+ /**
+ * An array of feeds for this action.
+ *
+ * Returns an array of potential feeds for this action.
+ *
+ * @return array Feed object to show in head and links
+ */
- function handle($argarray) {
- $this->args = array();
- foreach ($argarray as $k => $v) {
- $this->args[$k] = $v;
- }
- }
+ function getFeeds()
+ {
+ return null;
+ }
}
projects / quix0rs-gnu-social.git / blobdiff