c00491cd7a
Since these functions exit (or throw exception) after running, there is no need to have a 'return' statement or similar afterwards.
117 lines
3.7 KiB
PHP
117 lines
3.7 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* 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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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class MinifyAction extends Action
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{
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const TYPE_CSS = 'text/css';
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const TYPE_HTML = 'text/html';
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// there is some debate over the ideal JS Content-Type, but this is the
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// Apache default and what Yahoo! uses..
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const TYPE_JS = 'application/x-javascript';
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var $file;
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var $v;
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function isReadOnly($args)
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{
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return true;
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}
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function prepare($args)
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{
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parent::prepare($args);
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$this->v = $args['v'];
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$f = $this->arg('f');
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if(isset($f)) {
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$this->file = INSTALLDIR.'/'.$f;
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if(file_exists($this->file)) {
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return true;
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} else {
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// TRANS: Client error displayed when not providing a valid path in parameter "f".
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$this->clientError(_m('The parameter "f" is not a valid path.'),404);
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}
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}else{
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// TRANS: Client error displayed when not providing parameter "f".
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$this->clientError(_m('The parameter "f" is required but missing.'),500);
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}
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}
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function etag()
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{
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if(isset($this->v)) {
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return "\"" . crc32($this->file . $this->v) . "\"";
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}else{
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$stat = stat($this->file);
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return '"' . $stat['ino'] . '-' . $stat['size'] . '-' . $stat['mtime'] . '"';
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}
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}
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function lastModified()
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{
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return filemtime($this->file);
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}
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function handle($args)
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{
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parent::handle($args);
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$c = Cache::instance();
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if (!empty($c)) {
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$cacheKey = Cache::key(MinifyPlugin::cacheKey . ':' . $this->file . '?v=' . empty($this->v)?'':$this->v);
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$out = $c->get($cacheKey);
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}
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if(empty($out)) {
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$out = $this->minify($this->file);
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}
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if (!empty($c)) {
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$c->set($cacheKey, $out);
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}
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$sec = session_cache_expire() * 60;
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header('Cache-Control: public, max-age=' . $sec);
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header('Pragma: public');
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$this->raw($out);
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}
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function minify($file)
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{
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$info = pathinfo($file);
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switch(strtolower($info['extension'])){
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case 'js':
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$out = MinifyPlugin::minifyJs(file_get_contents($file));
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header('Content-Type: ' . self::TYPE_JS);
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break;
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case 'css':
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$options = array();
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$options['currentDir'] = dirname($file);
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$options['docRoot'] = INSTALLDIR;
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$out = MinifyPlugin::minifyCss(file_get_contents($file),$options);
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header('Content-Type: ' . self::TYPE_CSS);
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break;
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default:
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// TRANS: Client error displayed when trying to minify an unsupported file type.
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$this->clientError(_m('File type not supported.'),500);
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}
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return $out;
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}
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}
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