2008-06-11 03:52:38 +09:00
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<?php
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2009-01-15 07:02:18 +09:00
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/**
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2009-08-26 07:12:20 +09:00
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* StatusNet, the distributed open-source microblogging tool
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2008-06-11 03:52:38 +09:00
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*
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2009-01-15 07:02:18 +09:00
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* Utilities for theme files and paths
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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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2008-06-11 03:52:38 +09:00
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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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2009-01-15 07:02:18 +09:00
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*
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* @category Paths
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2009-08-26 07:12:20 +09:00
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* @package StatusNet
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2009-08-26 07:19:04 +09:00
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* @author Evan Prodromou <evan@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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2009-11-09 07:04:46 +09:00
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* @copyright 2008-2009 StatusNet, Inc.
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2009-01-15 07:02:18 +09:00
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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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2009-08-26 07:16:46 +09:00
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* @link http://status.net/
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2008-06-11 03:52:38 +09:00
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*/
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2009-08-26 23:41:36 +09:00
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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2009-01-15 07:02:18 +09:00
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exit(1);
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}
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/**
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2009-11-09 07:04:46 +09:00
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* Class for querying and manipulating a theme
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2009-01-15 07:02:18 +09:00
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*
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2009-11-09 07:04:46 +09:00
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* Themes are directories with some expected sub-directories and files
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* in them. They're found in either local/theme (for locally-installed themes)
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* or theme/ subdir of installation dir.
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2010-10-14 13:46:32 +09:00
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*
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2010-04-22 00:16:42 +09:00
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* Note that the 'local' directory can be overridden as $config['local']['path']
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* and $config['local']['dir'] etc.
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2009-01-15 07:02:18 +09:00
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*
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2009-11-09 07:04:46 +09:00
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* This used to be a couple of functions, but for various reasons it's nice
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* to have a class instead.
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*
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* @category Output
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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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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2009-01-15 07:02:18 +09:00
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*/
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2008-06-11 03:52:38 +09:00
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2009-11-09 07:04:46 +09:00
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class Theme
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2008-12-24 04:33:23 +09:00
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{
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2010-09-03 06:11:52 +09:00
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var $name = null;
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2009-11-09 07:04:46 +09:00
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var $dir = null;
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var $path = null;
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2008-06-11 03:52:38 +09:00
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2009-11-09 07:04:46 +09:00
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/**
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* Constructor
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*
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* Determines the proper directory and path for this theme.
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*
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* @param string $name Name of the theme; defaults to config value
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*/
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2009-01-15 07:02:18 +09:00
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2009-11-09 07:04:46 +09:00
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function __construct($name=null)
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{
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if (empty($name)) {
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$name = common_config('site', 'theme');
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}
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2010-09-03 06:11:52 +09:00
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if (!self::validName($name)) {
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throw new ServerException("Invalid theme name.");
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}
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$this->name = $name;
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2009-11-09 07:04:46 +09:00
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// Check to see if it's in the local dir
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2009-11-09 11:18:57 +09:00
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$localroot = self::localRoot();
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2009-11-09 07:04:46 +09:00
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$fulldir = $localroot.'/'.$name;
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if (file_exists($fulldir) && is_dir($fulldir)) {
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$this->dir = $fulldir;
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2010-04-22 00:16:42 +09:00
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$this->path = $this->relativeThemePath('local', 'local', 'theme/' . $name);
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2009-11-09 07:04:46 +09:00
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return;
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}
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// Check to see if it's in the distribution dir
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2009-06-23 01:31:55 +09:00
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2009-11-09 11:18:57 +09:00
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$instroot = self::installRoot();
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2009-11-09 07:04:46 +09:00
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$fulldir = $instroot.'/'.$name;
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if (file_exists($fulldir) && is_dir($fulldir)) {
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$this->dir = $fulldir;
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2010-04-22 00:16:42 +09:00
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$this->path = $this->relativeThemePath('theme', 'theme', $name);
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}
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}
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2009-11-09 07:04:46 +09:00
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2010-04-22 00:16:42 +09:00
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/**
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* Build a full URL to the given theme's base directory, possibly
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* using an offsite theme server path.
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2010-10-14 13:46:32 +09:00
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*
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2010-04-22 00:16:42 +09:00
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* @param string $group configuration section name to pull paths from
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* @param string $fallbackSubdir default subdirectory under INSTALLDIR
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* @param string $name theme name
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2010-10-14 13:46:32 +09:00
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*
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2010-04-22 00:16:42 +09:00
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* @return string URL
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2010-10-14 13:46:32 +09:00
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*
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2010-04-22 00:16:42 +09:00
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* @todo consolidate code with that for other customizable paths
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*/
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2009-11-09 07:04:46 +09:00
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2010-04-22 00:16:42 +09:00
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protected function relativeThemePath($group, $fallbackSubdir, $name)
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{
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2010-10-14 13:46:32 +09:00
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if (StatusNet::isHTTPS()) {
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2009-11-09 07:04:46 +09:00
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2010-10-14 13:46:32 +09:00
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$sslserver = common_config($group, 'sslserver');
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if (empty($sslserver)) {
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$server = common_config('site', 'server');
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$path = common_config('site', 'path') . '/';
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if ($fallbackSubdir) {
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$path .= $fallbackSubdir . '/';
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}
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} else {
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$server = $sslserver;
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$path = common_config($group, 'sslpath');
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if (empty($path)) {
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$path = common_config($group, 'path');
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}
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2009-11-09 07:04:46 +09:00
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}
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2010-10-14 13:46:32 +09:00
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if ($path[strlen($path)-1] != '/') {
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$path .= '/';
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}
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2009-11-09 07:04:46 +09:00
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2010-10-14 13:46:32 +09:00
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if ($path[0] != '/') {
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$path = '/'.$path;
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}
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2009-11-09 07:04:46 +09:00
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2010-10-14 13:46:32 +09:00
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return 'https://'.$server.$path.$name;
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2009-11-09 07:04:46 +09:00
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2010-10-14 13:46:32 +09:00
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} else {
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2010-02-12 06:47:47 +09:00
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2010-10-14 13:46:32 +09:00
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$path = common_config($group, 'path');
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2010-04-22 00:16:42 +09:00
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2010-10-14 13:46:32 +09:00
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if (empty($path)) {
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$path = common_config('site', 'path') . '/';
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if ($fallbackSubdir) {
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$path .= $fallbackSubdir . '/';
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}
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2010-02-12 06:47:47 +09:00
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}
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2010-10-14 13:46:32 +09:00
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if ($path[strlen($path)-1] != '/') {
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$path .= '/';
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}
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2009-11-09 07:04:46 +09:00
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2010-10-14 13:46:32 +09:00
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if ($path[0] != '/') {
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$path = '/'.$path;
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}
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$server = common_config($group, 'server');
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if (empty($server)) {
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$server = common_config('site', 'server');
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}
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return 'http://'.$server.$path.$name;
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}
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2009-06-23 01:31:55 +09:00
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}
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2009-11-09 07:04:46 +09:00
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/**
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* Gets the full local filename of a file in this theme.
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*
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* @param string $relative relative name, like 'logo.png'
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*
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* @return string full pathname, like /var/www/mublog/theme/default/logo.png
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*/
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function getFile($relative)
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{
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return $this->dir.'/'.$relative;
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2009-06-23 01:31:55 +09:00
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}
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2009-11-09 07:04:46 +09:00
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/**
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* Gets the full HTTP url of a file in this theme
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*
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* @param string $relative relative name, like 'logo.png'
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*
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* @return string full URL, like 'http://example.com/theme/default/logo.png'
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*/
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function getPath($relative)
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{
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return $this->path.'/'.$relative;
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2009-06-23 01:31:55 +09:00
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}
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2010-09-03 06:11:52 +09:00
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/**
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* Fetch a list of other themes whose CSS needs to be pulled in before
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* this theme's, based on following the theme.ini 'include' settings.
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* (May be empty if this theme has no include dependencies.)
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*
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* @return array of strings with theme names
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*/
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function getDeps()
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{
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$chain = $this->doGetDeps(array($this->name));
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array_pop($chain); // Drop us back off
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return $chain;
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}
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protected function doGetDeps($chain)
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{
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$data = $this->getMetadata();
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if (!empty($data['include'])) {
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$include = $data['include'];
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// Protect against cycles!
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if (!in_array($include, $chain)) {
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try {
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$theme = new Theme($include);
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array_unshift($chain, $include);
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return $theme->doGetDeps($chain);
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} catch (Exception $e) {
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common_log(LOG_ERR,
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"Exception while fetching theme dependencies " .
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"for $this->name: " . $e->getMessage());
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}
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}
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}
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return $chain;
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}
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/**
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* Pull data from the theme's theme.ini file.
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* @fixme calling getFile will fall back to default theme, this may be unsafe.
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2010-10-14 13:46:32 +09:00
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*
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2010-09-03 06:11:52 +09:00
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* @return associative array of strings
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*/
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function getMetadata()
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{
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$iniFile = $this->getFile('theme.ini');
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if (file_exists($iniFile)) {
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return parse_ini_file($iniFile);
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} else {
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return array();
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}
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}
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2009-11-09 07:04:46 +09:00
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/**
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* Gets the full path of a file in a theme dir based on its relative name
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*
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* @param string $relative relative path within the theme directory
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* @param string $name name of the theme; defaults to current theme
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*
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* @return string File path to the theme file
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*/
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2009-06-23 01:31:55 +09:00
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2009-11-09 07:04:46 +09:00
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static function file($relative, $name=null)
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{
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$theme = new Theme($name);
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return $theme->getFile($relative);
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2008-12-24 04:19:07 +09:00
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}
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2009-06-23 01:31:55 +09:00
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2009-11-09 07:04:46 +09:00
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/**
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* Gets the full URL of a file in a theme dir based on its relative name
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*
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* @param string $relative relative path within the theme directory
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* @param string $name name of the theme; defaults to current theme
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*
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* @return string URL of the file
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*/
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2009-06-23 01:31:55 +09:00
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2009-11-09 07:04:46 +09:00
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static function path($relative, $name=null)
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{
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$theme = new Theme($name);
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return $theme->getPath($relative);
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}
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2009-11-09 07:16:50 +09:00
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2009-11-09 11:18:57 +09:00
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/**
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* list available theme names
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*
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* @return array list of available theme names
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*/
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static function listAvailable()
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{
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$local = self::subdirsOf(self::localRoot());
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$install = self::subdirsOf(self::installRoot());
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$i = array_search('base', $install);
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unset($install[$i]);
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return array_merge($local, $install);
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}
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/**
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* Utility for getting subdirs of a directory
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*
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* @param string $dir full path to directory to check
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*
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* @return array relative filenames of subdirs, or empty array
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*/
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protected static function subdirsOf($dir)
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{
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$subdirs = array();
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if (is_dir($dir)) {
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if ($dh = opendir($dir)) {
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while (($filename = readdir($dh)) !== false) {
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if ($filename != '..' && $filename !== '.' &&
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is_dir($dir.'/'.$filename)) {
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$subdirs[] = $filename;
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}
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}
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closedir($dh);
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}
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}
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return $subdirs;
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}
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2009-11-09 07:16:50 +09:00
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/**
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* Local root dir for themes
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*
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* @return string local root dir for themes
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*/
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protected static function localRoot()
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{
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2010-04-22 00:16:42 +09:00
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$basedir = common_config('local', 'dir');
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if (empty($basedir)) {
|
|
|
|
$basedir = INSTALLDIR . '/local';
|
|
|
|
}
|
|
|
|
|
|
|
|
return $basedir . '/theme';
|
2009-11-09 07:16:50 +09:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Root dir for themes that are shipped with StatusNet
|
|
|
|
*
|
|
|
|
* @return string root dir for StatusNet themes
|
|
|
|
*/
|
|
|
|
|
|
|
|
protected static function installRoot()
|
|
|
|
{
|
|
|
|
$instroot = common_config('theme', 'dir');
|
|
|
|
|
|
|
|
if (empty($instroot)) {
|
|
|
|
$instroot = INSTALLDIR.'/theme';
|
|
|
|
}
|
|
|
|
|
|
|
|
return $instroot;
|
|
|
|
}
|
2010-09-03 06:11:52 +09:00
|
|
|
|
|
|
|
static function validName($name)
|
|
|
|
{
|
|
|
|
return preg_match('/^[a-z0-9][a-z0-9_-]*$/i', $name);
|
|
|
|
}
|
2009-04-12 11:08:55 +09:00
|
|
|
}
|