Combine and minimize core and default app css files

This commit is contained in:
Bart Visscher 2012-05-14 17:57:43 +02:00
parent 2faae817f1
commit f71fec8cdc
11 changed files with 367 additions and 10 deletions

229
3rdparty/mediawiki/CSSMin.php vendored Normal file
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@ -0,0 +1,229 @@
<?php
/**
* Minification of CSS stylesheets.
*
* Copyright 2010 Wikimedia Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
* OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* @file
* @version 0.1.1 -- 2010-09-11
* @author Trevor Parscal <tparscal@wikimedia.org>
* @copyright Copyright 2010 Wikimedia Foundation
* @license http://www.apache.org/licenses/LICENSE-2.0
*/
/**
* Transforms CSS data
*
* This class provides minification, URL remapping, URL extracting, and data-URL embedding.
*/
class CSSMin {
/* Constants */
/**
* Maximum file size to still qualify for in-line embedding as a data-URI
*
* 24,576 is used because Internet Explorer has a 32,768 byte limit for data URIs,
* which when base64 encoded will result in a 1/3 increase in size.
*/
const EMBED_SIZE_LIMIT = 24576;
const URL_REGEX = 'url\(\s*[\'"]?(?P<file>[^\?\)\'"]*)(?P<query>\??[^\)\'"]*)[\'"]?\s*\)';
/* Protected Static Members */
/** @var array List of common image files extensions and mime-types */
protected static $mimeTypes = array(
'gif' => 'image/gif',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'png' => 'image/png',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'xbm' => 'image/x-xbitmap',
);
/* Static Methods */
/**
* Gets a list of local file paths which are referenced in a CSS style sheet
*
* @param $source string CSS data to remap
* @param $path string File path where the source was read from (optional)
* @return array List of local file references
*/
public static function getLocalFileReferences( $source, $path = null ) {
$files = array();
$rFlags = PREG_OFFSET_CAPTURE | PREG_SET_ORDER;
if ( preg_match_all( '/' . self::URL_REGEX . '/', $source, $matches, $rFlags ) ) {
foreach ( $matches as $match ) {
$file = ( isset( $path )
? rtrim( $path, '/' ) . '/'
: '' ) . "{$match['file'][0]}";
// Only proceed if we can access the file
if ( !is_null( $path ) && file_exists( $file ) ) {
$files[] = $file;
}
}
}
return $files;
}
/**
* @param $file string
* @return bool|string
*/
protected static function getMimeType( $file ) {
$realpath = realpath( $file );
// Try a couple of different ways to get the mime-type of a file, in order of
// preference
if (
$realpath
&& function_exists( 'finfo_file' )
&& function_exists( 'finfo_open' )
&& defined( 'FILEINFO_MIME_TYPE' )
) {
// As of PHP 5.3, this is how you get the mime-type of a file; it uses the Fileinfo
// PECL extension
return finfo_file( finfo_open( FILEINFO_MIME_TYPE ), $realpath );
} elseif ( function_exists( 'mime_content_type' ) ) {
// Before this was deprecated in PHP 5.3, this was how you got the mime-type of a file
return mime_content_type( $file );
} else {
// Worst-case scenario has happened, use the file extension to infer the mime-type
$ext = strtolower( pathinfo( $file, PATHINFO_EXTENSION ) );
if ( isset( self::$mimeTypes[$ext] ) ) {
return self::$mimeTypes[$ext];
}
}
return false;
}
/**
* Remaps CSS URL paths and automatically embeds data URIs for URL rules
* preceded by an /* @embed * / comment
*
* @param $source string CSS data to remap
* @param $local string File path where the source was read from
* @param $remote string URL path to the file
* @param $embedData bool If false, never do any data URI embedding, even if / * @embed * / is found
* @return string Remapped CSS data
*/
public static function remap( $source, $local, $remote, $embedData = true ) {
$pattern = '/((?P<embed>\s*\/\*\s*\@embed\s*\*\/)(?P<pre>[^\;\}]*))?' .
self::URL_REGEX . '(?P<post>[^;]*)[\;]?/';
$offset = 0;
while ( preg_match( $pattern, $source, $match, PREG_OFFSET_CAPTURE, $offset ) ) {
// Skip fully-qualified URLs and data URIs
$urlScheme = parse_url( $match['file'][0], PHP_URL_SCHEME );
if ( $urlScheme ) {
// Move the offset to the end of the match, leaving it alone
$offset = $match[0][1] + strlen( $match[0][0] );
continue;
}
// URLs with absolute paths like /w/index.php need to be expanded
// to absolute URLs but otherwise left alone
if ( $match['file'][0] !== '' && $match['file'][0][0] === '/' ) {
// Replace the file path with an expanded (possibly protocol-relative) URL
// ...but only if wfExpandUrl() is even available.
// This will not be the case if we're running outside of MW
$lengthIncrease = 0;
if ( function_exists( 'wfExpandUrl' ) ) {
$expanded = wfExpandUrl( $match['file'][0], PROTO_RELATIVE );
$origLength = strlen( $match['file'][0] );
$lengthIncrease = strlen( $expanded ) - $origLength;
$source = substr_replace( $source, $expanded,
$match['file'][1], $origLength
);
}
// Move the offset to the end of the match, leaving it alone
$offset = $match[0][1] + strlen( $match[0][0] ) + $lengthIncrease;
continue;
}
// Shortcuts
$embed = $match['embed'][0];
$pre = $match['pre'][0];
$post = $match['post'][0];
$query = $match['query'][0];
$url = "{$remote}/{$match['file'][0]}";
$file = "{$local}/{$match['file'][0]}";
// bug 27052 - Guard against double slashes, because foo//../bar
// apparently resolves to foo/bar on (some?) clients
$url = preg_replace( '#([^:])//+#', '\1/', $url );
$replacement = false;
if ( $local !== false && file_exists( $file ) ) {
// Add version parameter as a time-stamp in ISO 8601 format,
// using Z for the timezone, meaning GMT
$url .= '?' . gmdate( 'Y-m-d\TH:i:s\Z', round( filemtime( $file ), -2 ) );
// Embedding requires a bit of extra processing, so let's skip that if we can
if ( $embedData && $embed ) {
$type = self::getMimeType( $file );
// Detect when URLs were preceeded with embed tags, and also verify file size is
// below the limit
var_dump($match['embed'], $file, filesize($file));
if (
$type
&& $match['embed'][1] > 0
&& filesize( $file ) < self::EMBED_SIZE_LIMIT
) {
// Strip off any trailing = symbols (makes browsers freak out)
$data = base64_encode( file_get_contents( $file ) );
// Build 2 CSS properties; one which uses a base64 encoded data URI in place
// of the @embed comment to try and retain line-number integrity, and the
// other with a remapped an versioned URL and an Internet Explorer hack
// making it ignored in all browsers that support data URIs
$replacement = "{$pre}url(data:{$type};base64,{$data}){$post};";
$replacement .= "{$pre}url({$url}){$post}!ie;";
}
}
if ( $replacement === false ) {
// Assume that all paths are relative to $remote, and make them absolute
$replacement = "{$embed}{$pre}url({$url}){$post};";
}
} elseif ( $local === false ) {
// Assume that all paths are relative to $remote, and make them absolute
$replacement = "{$embed}{$pre}url({$url}{$query}){$post};";
}
if ( $replacement !== false ) {
// Perform replacement on the source
$source = substr_replace(
$source, $replacement, $match[0][1], strlen( $match[0][0] )
);
// Move the offset to the end of the replacement in the source
$offset = $match[0][1] + strlen( $replacement );
continue;
}
// Move the offset to the end of the match, leaving it alone
$offset = $match[0][1] + strlen( $match[0][0] );
}
return $source;
}
/**
* Removes whitespace from CSS data
*
* @param $css string CSS data to minify
* @return string Minified CSS data
*/
public static function minify( $css ) {
return trim(
str_replace(
array( '; ', ': ', ' {', '{ ', ', ', '} ', ';}' ),
array( ';', ':', '{', '{', ',', '}', '}' ),
preg_replace( array( '/\s+/', '/\/\*.*?\*\//s' ), array( ' ', '' ), $css )
)
);
}
}

5
core/minimizer.php Normal file
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@ -0,0 +1,5 @@
<?php
$minimizer = new OC_Minimizer_CSS();
$files = $minimizer->findFiles(OC_Util::$core_styles);
$minimizer->output($files);

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@ -4,6 +4,9 @@
<title>ownCloud</title> <title>ownCloud</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="shortcut icon" href="<?php echo image_path('', 'favicon.png'); ?>" /><link rel="apple-touch-icon-precomposed" href="<?php echo image_path('', 'favicon-touch.png'); ?>" /> <link rel="shortcut icon" href="<?php echo image_path('', 'favicon.png'); ?>" /><link rel="apple-touch-icon-precomposed" href="<?php echo image_path('', 'favicon-touch.png'); ?>" />
<?php if (!defined('DEBUG') || !DEBUG): ?>
<link rel="stylesheet" href="<?php echo OC_Helper::linkToRemote('core.css', false) ?>" type="text/css" media="screen" />
<?php endif ?>
<?php foreach($_['cssfiles'] as $cssfile): ?> <?php foreach($_['cssfiles'] as $cssfile): ?>
<link rel="stylesheet" href="<?php echo $cssfile; ?>" type="text/css" media="screen" /> <link rel="stylesheet" href="<?php echo $cssfile; ?>" type="text/css" media="screen" />
<?php endforeach; ?> <?php endforeach; ?>

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@ -4,6 +4,9 @@
<title><?php echo isset($_['application']) && !empty($_['application'])?$_['application'].' | ':'' ?>ownCloud <?php echo OC_User::getUser()?' ('.OC_User::getUser().') ':'' ?></title> <title><?php echo isset($_['application']) && !empty($_['application'])?$_['application'].' | ':'' ?>ownCloud <?php echo OC_User::getUser()?' ('.OC_User::getUser().') ':'' ?></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="shortcut icon" href="<?php echo image_path('', 'favicon.png'); ?>" /><link rel="apple-touch-icon-precomposed" href="<?php echo image_path('', 'favicon-touch.png'); ?>" /> <link rel="shortcut icon" href="<?php echo image_path('', 'favicon.png'); ?>" /><link rel="apple-touch-icon-precomposed" href="<?php echo image_path('', 'favicon-touch.png'); ?>" />
<?php if (!defined('DEBUG') || !DEBUG): ?>
<link rel="stylesheet" href="<?php echo OC_Helper::linkToRemote('core.css', false) ?>" type="text/css" media="screen" />
<?php endif ?>
<?php foreach($_['cssfiles'] as $cssfile): ?> <?php foreach($_['cssfiles'] as $cssfile): ?>
<link rel="stylesheet" href="<?php echo $cssfile; ?>" type="text/css" media="screen" /> <link rel="stylesheet" href="<?php echo $cssfile; ?>" type="text/css" media="screen" />
<?php endforeach; ?> <?php endforeach; ?>

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@ -73,6 +73,12 @@ class OC_App{
self::$init = true; self::$init = true;
if (!defined('DEBUG') || !DEBUG){
if (is_null($types)) {
OC_Util::$core_styles = OC_Util::$styles;
OC_Util::$styles = array();
}
}
// return // return
return true; return true;
} }

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@ -230,6 +230,8 @@ class OC{
OC_Config::setValue('version',implode('.',OC_Util::getVersion())); OC_Config::setValue('version',implode('.',OC_Util::getVersion()));
} }
OC_AppConfig::setValue('core', 'remote_core.css', '/core/minimizer.php');
OC_App::updateApps(); OC_App::updateApps();
} }
} }
@ -278,13 +280,9 @@ class OC{
public static function loadfile(){ public static function loadfile(){
if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE)){ if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE)){
if(substr(OC::$REQUESTEDFILE, -3) == 'css'){ if(substr(OC::$REQUESTEDFILE, -3) == 'css'){
$appswebroot = (string) OC::$APPSWEBROOT; $file = 'apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE;
$webroot = (string) OC::$WEBROOT; $minimizer = new OC_Minimizer_CSS();
$cssfile = file_get_contents(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE); $minimizer->output(array(array(OC::$APPSROOT, OC::$APPSWEBROOT, $file)));
$cssfile = str_replace('%appswebroot%', $appswebroot, $cssfile);
$cssfile = str_replace('%webroot%', $webroot, $cssfile);
header('Content-Type: text/css');
echo $cssfile;
exit; exit;
}elseif(substr(OC::$REQUESTEDFILE, -3) == 'php'){ }elseif(substr(OC::$REQUESTEDFILE, -3) == 'php'){
require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE); require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE);

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@ -112,8 +112,8 @@ class OC_Helper {
* *
* Returns a absolute url to the given service. * Returns a absolute url to the given service.
*/ */
public static function linkToRemote( $service ) { public static function linkToRemote( $service, $add_slash = true ) {
return self::linkToAbsolute( '', 'remote.php') . '/' . $service . '/'; return self::linkToAbsolute( '', 'remote.php') . '/' . $service . ($add_slash?'/':'');
} }
/** /**

39
lib/minimizer.php Normal file
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@ -0,0 +1,39 @@
<?php
abstract class OC_Minimizer
{
protected $files = array();
protected function appendIfExist($root, $webroot, $file) {
if (is_file($root.'/'.$file)) {
$this->files[] = array($root, $webroot, $file);
return true;
}
return false;
}
public function getLastModified($files) {
$last_modified = 0;
foreach($files as $file_info) {
$file = $file_info[0] . '/' . $file_info[2];
$filemtime = filemtime($file);
if ($filemtime > $last_modified) {
$last_modified = $filemtime;
}
}
return $last_modified;
}
abstract public function minimizeFiles($files);
public function output($files) {
header('Content-Type: '.$this->contentType);
OC_Response::enableCaching();
$last_modified = $this->getLastModified($files);
OC_Response::setLastModifiedHeader($last_modified);
$out = $this->minimizeFiles($files);
header('Content-Length: '.strlen($out));
echo $out;
}
}

73
lib/minimizer/css.php Normal file
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@ -0,0 +1,73 @@
<?php
require_once('mediawiki/CSSMin.php');
class OC_Minimizer_CSS extends OC_Minimizer
{
protected $contentType = 'text/css';
public function findFiles($styles) {
// Read the selected theme from the config file
$theme=OC_Config::getValue( "theme" );
// Read the detected formfactor and use the right file name.
$fext = OC_Template::getFormFactorExtension();
foreach($styles as $style){
// is it in 3rdparty?
if($this->appendIfExist(OC::$THIRDPARTYROOT, OC::$THIRDPARTYWEBROOT, $style.'.css')) {
// or in apps?
}elseif($this->appendIfExist(OC::$APPSROOT, OC::$APPSWEBROOT, "apps/$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$APPSROOT, OC::$APPSWEBROOT, "apps/$style.css" )) {
// or in the owncloud root?
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "$style.css" )) {
// or in core ?
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "core/$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "core/$style.css" )) {
}else{
echo('css file not found: style:'.$style.' formfactor:'.$fext.' webroot:'.OC::$WEBROOT.' serverroot:'.OC::$SERVERROOT);
die();
}
}
// Add the theme css files. you can override the default values here
if(!empty($theme)) {
foreach($styles as $style){
if($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/apps/$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/apps/$style.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/$style.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/core/$style$fext.css" )) {
}elseif($this->appendIfExist(OC::$SERVERROOT, OC::$WEBROOT, "themes/$theme/core/$style.css" )) {
}
}
}
return $this->files;
}
public function minimizeFiles($files) {
$css_out = '';
$appswebroot = (string) OC::$APPSWEBROOT;
$webroot = (string) OC::$WEBROOT;
foreach($files as $file_info) {
$file = $file_info[0] . '/' . $file_info[2];
$css_out .= '/* ' . $file . ' */' . "\n";
$css = file_get_contents($file);
if (strpos($file, OC::$APPSROOT) == 0) {
$css = str_replace('%appswebroot%', $appswebroot, $css);
$css = str_replace('%webroot%', $webroot, $css);
}
$remote = $file_info[1];
$remote .= '../';
$remote .= dirname($file_info[2]);
$css_out .= CSSMin::remap($css, dirname($file), $remote, true);
}
$css_out = CSSMin::minify($css_out);
return $css_out;
}
}

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@ -10,6 +10,7 @@ class OC_Util {
public static $headers=array(); public static $headers=array();
private static $rootMounted=false; private static $rootMounted=false;
private static $fsSetup=false; private static $fsSetup=false;
public static $core_styles=array();
// Can be set up // Can be set up
public static function setupFS( $user = "", $root = "files" ){// configure the initial filesystem based on the configuration public static function setupFS( $user = "", $root = "files" ){// configure the initial filesystem based on the configuration

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@ -7,7 +7,7 @@ if (!$pos = strpos($path_info, '/', 1)) {
$pos = strlen($path_info); $pos = strlen($path_info);
} }
$service=substr($path_info, 1, $pos-1); $service=substr($path_info, 1, $pos-1);
$file = OCP\CONFIG::getAppValue('core', 'remote_' . $service); $file = OC_AppConfig::getValue('core', 'remote_' . $service);
if(is_null($file)){ if(is_null($file)){
header('HTTP/1.0 404 Not Found'); header('HTTP/1.0 404 Not Found');
exit; exit;