/usr/share/php/Icinga/Web/LessCompiler.php is in php-icinga 2.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web;
use Icinga\Application\Logger;
use RecursiveArrayIterator;
use RecursiveIteratorIterator;
use lessc;
/**
* Compile LESS into CSS
*
* Comments will be removed always. lessc is messing them up.
*/
class LessCompiler
{
/**
* lessphp compiler
*
* @var lessc
*/
protected $lessc;
/**
* Array of LESS files
*
* @var string[]
*/
protected $lessFiles = array();
/**
* Array of module LESS files indexed by module names
*
* @var array[]
*/
protected $moduleLessFiles = array();
/**
* LESS source
*
* @var string
*/
protected $source;
/**
* Path of the LESS theme
*
* @var string
*/
protected $theme;
/**
* Create a new LESS compiler
*/
public function __construct()
{
require_once 'lessphp/lessc.inc.php';
$this->lessc = new lessc();
// Discourage usage of import because we're caching based on an explicit list of LESS files to compile
$this->lessc->importDisabled = true;
}
/**
* Add a Web 2 LESS file
*
* @param string $lessFile Path to the LESS file
*
* @return $this
*/
public function addLessFile($lessFile)
{
$this->lessFiles[] = realpath($lessFile);
return $this;
}
/**
* Add a module LESS file
*
* @param string $moduleName Name of the module
* @param string $lessFile Path to the LESS file
*
* @return $this
*/
public function addModuleLessFile($moduleName, $lessFile)
{
if (! isset($this->moduleLessFiles[$moduleName])) {
$this->moduleLessFiles[$moduleName] = array();
}
$this->moduleLessFiles[$moduleName][] = realpath($lessFile);
return $this;
}
/**
* Get the list of LESS files added to the compiler
*
* @return string[]
*/
public function getLessFiles()
{
$lessFiles = $this->lessFiles;
foreach ($this->moduleLessFiles as $moduleLessFiles) {
$lessFiles = array_merge($lessFiles, $moduleLessFiles);
}
if ($this->theme !== null) {
$lessFiles[] = $this->theme;
}
return $lessFiles;
}
/**
* Set the path to the LESS theme
*
* @param string $theme Path to the LESS theme
*
* @return $this
*/
public function setTheme($theme)
{
if (is_file($theme) && is_readable($theme)) {
$this->theme = $theme;
} else {
Logger::error('Can\t load theme %s. Make sure that the theme exists and is readable', $theme);
}
return $this;
}
/**
* Instruct the compiler to minify CSS
*
* @return $this
*/
public function compress()
{
$this->lessc->setFormatter('compressed');
return $this;
}
/**
* Render to CSS
*
* @return string
*/
public function render()
{
foreach ($this->lessFiles as $lessFile) {
$this->source .= file_get_contents($lessFile);
}
$moduleCss = '';
foreach ($this->moduleLessFiles as $moduleName => $moduleLessFiles) {
$moduleCss .= '.icinga-module.module-' . $moduleName . ' {';
foreach ($moduleLessFiles as $moduleLessFile) {
$moduleCss .= file_get_contents($moduleLessFile);
}
$moduleCss .= '}';
}
$this->source .= $moduleCss;
if ($this->theme !== null) {
$this->source .= file_get_contents($this->theme);
}
return preg_replace(
'/(\.icinga-module\.module-[^\s]+) (#layout\.[^\s]+)/m',
'\2 \1',
$this->lessc->compile($this->source)
);
}
}
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