Adding upstream version 2.12.1.upstream/2.12.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 259 insertions, 0 deletions

diff --git a/library/Icinga/Application/Libraries/Library.php b/library/Icinga/Application/Libraries/Library.php
new file mode 100644
index 0000000..63e50b2
--- /dev/null
+++ b/library/Icinga/Application/Libraries/Library.php
@@ -0,0 +1,259 @@
+<?php
+/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Application\Libraries;
+
+use CallbackFilterIterator;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\Json\JsonDecodeException;
+use Icinga\Util\Json;
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+
+class Library
+{
+    /** @var string */
+    protected $path;
+
+    /** @var string */
+    protected $jsAssetPath;
+
+    /** @var string */
+    protected $cssAssetPath;
+
+    /** @var string */
+    protected $staticAssetPath;
+
+    /** @var string */
+    protected $version;
+
+    /** @var array */
+    protected $metaData;
+
+    /** @var array */
+    protected $assets;
+
+    /**
+     * Create a new Library
+     *
+     * @param string $path
+     */
+    public function __construct($path)
+    {
+        $this->path = $path;
+    }
+
+    /**
+     * Get this library's path
+     *
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    /**
+     * Get path of this library's JS assets
+     *
+     * @return string
+     */
+    public function getJsAssetPath()
+    {
+        $this->assets();
+        return $this->jsAssetPath;
+    }
+
+    /**
+     * Get path of this library's CSS assets
+     *
+     * @return string
+     */
+    public function getCssAssetPath()
+    {
+        $this->assets();
+        return $this->cssAssetPath;
+    }
+
+    /**
+     * Get path of this library's static assets
+     *
+     * @return string
+     */
+    public function getStaticAssetPath()
+    {
+        $this->assets();
+        return $this->staticAssetPath;
+    }
+
+    /**
+     * Get this library's name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->metaData()['name'];
+    }
+
+    /**
+     * Get this library's version
+     *
+     * @return string
+     */
+    public function getVersion()
+    {
+        if ($this->version === null) {
+            if (isset($this->metaData()['version'])) {
+                $this->version = trim(ltrim($this->metaData()['version'], 'v'));
+            } else {
+                $versionFile = $this->path . DIRECTORY_SEPARATOR . 'VERSION';
+                if (file_exists($versionFile)) {
+                    $this->version = trim(ltrim(file_get_contents($versionFile), 'v'));
+                } else {
+                    $this->version = '';
+                }
+            }
+        }
+
+        return $this->version;
+    }
+
+    /**
+     * Check whether the given package is required
+     *
+     * @param string $vendor The vendor of the project
+     * @param string $project The project's name
+     *
+     * @return bool
+     */
+    public function isRequired($vendor, $project)
+    {
+        // Ensure the parts are lowercase and separated by dashes, not capital letters
+        $project = strtolower(join('-', preg_split('/\w(?=[A-Z])/', $project)));
+
+        return isset($this->metaData()['require'][strtolower($vendor) . '/' . $project]);
+    }
+
+    /**
+     * Get this library's JS assets
+     *
+     * @return string[] Asset paths
+     */
+    public function getJsAssets()
+    {
+        return $this->assets()['js'];
+    }
+
+    /**
+     * Get this library's CSS assets
+     *
+     * @return string[] Asset paths
+     */
+    public function getCssAssets()
+    {
+        return $this->assets()['css'];
+    }
+
+    /**
+     * Get this library's static assets
+     *
+     * @return string[] Asset paths
+     */
+    public function getStaticAssets()
+    {
+        return $this->assets()['static'];
+    }
+
+    /**
+     * Register this library's autoloader
+     *
+     * @return void
+     */
+    public function registerAutoloader()
+    {
+        $autoloaderPath = join(DIRECTORY_SEPARATOR, [$this->path, 'vendor', 'autoload.php']);
+        if (file_exists($autoloaderPath)) {
+            require_once $autoloaderPath;
+        }
+    }
+
+    /**
+     * Parse and return this library's metadata
+     *
+     * @return array
+     *
+     * @throws ConfigurationError
+     * @throws JsonDecodeException
+     */
+    protected function metaData()
+    {
+        if ($this->metaData === null) {
+            $metaData = @file_get_contents($this->path . DIRECTORY_SEPARATOR . 'composer.json');
+            if ($metaData === false) {
+                throw new ConfigurationError('Library at "%s" is not a composerized project', $this->path);
+            }
+
+            $this->metaData = Json::decode($metaData, true);
+        }
+
+        return $this->metaData;
+    }
+
+    /**
+     * Register and return this library's assets
+     *
+     * @return array
+     */
+    protected function assets()
+    {
+        if ($this->assets !== null) {
+            return $this->assets;
+        }
+
+        $listAssets = function ($type) {
+            $dir = join(DIRECTORY_SEPARATOR, [$this->path, 'asset', $type]);
+            if (! is_dir($dir)) {
+                return [];
+            }
+
+            $this->{$type . 'AssetPath'} = $dir;
+
+            $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(
+                $dir,
+                RecursiveDirectoryIterator::CURRENT_AS_FILEINFO | RecursiveDirectoryIterator::SKIP_DOTS
+            ));
+            if ($type === 'static') {
+                return $iterator;
+            }
+
+            return new CallbackFilterIterator(
+                $iterator,
+                function ($path) use ($type) {
+                    if ($type === 'js' && $path->getExtension() === 'js') {
+                        return substr($path->getPathname(), -5 - strlen($type)) !== ".min.$type";
+                    } elseif ($type === 'css'
+                        && ($path->getExtension() === 'css' || $path->getExtension() === 'less')
+                    ) {
+                        return substr($path->getPathname(), -5 - strlen($type)) !== ".min.$type";
+                    }
+
+                    return false;
+                }
+            );
+        };
+
+        $this->assets = [];
+
+        $jsAssets = $listAssets('js');
+        $this->assets['js'] = is_array($jsAssets) ? $jsAssets : iterator_to_array($jsAssets);
+
+        $cssAssets = $listAssets('css');
+        $this->assets['css'] = is_array($cssAssets) ? $cssAssets : iterator_to_array($cssAssets);
+
+        $staticAssets = $listAssets('static');
+        $this->assets['static'] = is_array($staticAssets) ? $staticAssets : iterator_to_array($staticAssets);
+
+        return $this->assets;
+    }
+}