Asset::getIntegrity() - Code Metrics - Inspection of "Apply fixes from StyleCI (#785)" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

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Push — fingerprint ( 35d32d...db2713 )

by Arnaud

created 2020-05-12 16:22 UTC

Asset::getIntegrity() A

↳ Parent: Asset

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php
/**
 * This file is part of the Cecil/Cecil package.
 *
 * Copyright (c) Arnaud Ligny <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cecil\Assets;

use Cecil\Builder;
use Cecil\Config;
use Cecil\Exception\Exception;
use Cecil\Util;
use MatthiasMullie\Minify;
use ScssPhp\ScssPhp\Compiler;

class Asset implements \ArrayAccess
{
    const ASSETS_OUTPUT_DIR = '/';

    /** @var Builder */
    protected $builder;
    /** @var Config */
    protected $config;
    /** @var array */
    protected $data = [];
    /** @var bool */
    protected $fingerprinted = false;
    /** @var bool */
    protected $compiled = false;
    /** @var bool */
    protected $minified = false;

    /**
     * Creates an Asset from file.
     *
     * $options[
     *     'fingerprint' => true,
     *     'minify'      => true,
     *     'attributes'  => ['title' => 'Titre'],
     * ];
     *
     * @param Builder    $builder
     * @param string     $path
     * @param array|null $options
     */
    public function __construct(Builder $builder, string $path, array $options = null)
    {
        $this->builder = $builder;
        $this->config = $builder->getConfig();
        $path = '/'.ltrim($path, '/');

        if (false === $filePath = $this->findFile($path)) {
            throw new Exception(sprintf('Asset file "%s" doesn\'t exist.', $path));
        }

        $pathinfo = pathinfo($path);

        // handles options
        $fingerprint = (bool) $this->config->get('assets.fingerprint.auto');
        $minify = (bool) $this->config->get('assets.minify.auto');
        $attributes = null;
        extract(is_array($options) ? $options : [], EXTR_IF_EXISTS);

        // set data
        $this->data['file'] = $filePath;
        $this->data['path'] = Util::joinPath(self::ASSETS_OUTPUT_DIR, $path);
        $this->data['ext'] = $pathinfo['extension'];
        $this->data['type'] = explode('/', mime_content_type($filePath))[0];
        $this->data['source'] = file_get_contents($filePath);
        $this->data['content'] = $this->data['source'];
        $this->data['attributes'] = $attributes;

        // fingerprinting
        if ($fingerprint) {
            $this->fingerprint();
        }
        // compiling
        if ((bool) $this->config->get('assets.compile.auto')) {
            $this->compile();
        }
        // minifying
        if ($minify) {
            $this->minify();
        }
    }

    /**
     * Returns Asset path.
     *
     * @return string
     */
    public function __toString(): string
    {
        return $this->data['path'];
    }

    /**
     * Fingerprints a file.
     *
     * @return self
     */
    public function fingerprint(): self
    {
        if ($this->fingerprinted) {
            return $this;
        }

        $fingerprint = hash('md5', $this->data['source']);
        $this->data['path'] = preg_replace(
            '/\.'.$this->data['ext'].'$/m',
            ".$fingerprint.".$this->data['ext'],
            $this->data['path']
        );

        $this->fingerprinted = true;

        return $this;
    }

    /**
     * Compiles a SCSS.
     *
     * @return self
     */
    public function compile(): self
    {
        if ($this->compiled) {
            return $this;
        }

        if ($this->data['ext'] != 'scss') {
            return $this;
        }

        $cache = new Cache($this->builder, 'assets');
        $cacheKey = $cache->createKeyFromAsset($this);
        if (!$cache->has($cacheKey)) {
            $scssPhp = new Compiler();
            $scssDir = $this->config->get('assets.compile.import') ?? [];
            $themes = $this->config->getTheme() ?? [];
            foreach ($scssDir as $dir) {
                $scssPhp->addImportPath(Util::joinPath($this->config->getStaticPath(), $dir));
                $scssPhp->addImportPath(Util::joinPath(dirname($this->data['file']), $dir));
                foreach ($themes as $theme) {
                    $scssPhp->addImportPath(Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir")));
                }
            }
            $scssPhp->setVariables($this->config->get('assets.compile.variables') ?? []);
            $scssPhp->setFormatter('ScssPhp\ScssPhp\Formatter\\'.ucfirst($this->config->get('assets.compile.style')));
            $this->data['path'] = preg_replace('/scss/m', 'css', $this->data['path']);
            $this->data['ext'] = 'css';
            $this->data['content'] = $scssPhp->compile($this->data['content']);
            $this->compiled = true;
            $cache->set($cacheKey, $this->data);
        }
        $this->data = $cache->get($cacheKey);

        return $this;
    }

    /**
     * Minifying a CSS or a JS.
     *
     * @return self
     */
    public function minify(): self
    {
        if ($this->minified) {
            return $this;
        }

        if ($this->data['ext'] == 'scss') {
            $this->compile();
        }

        if ($this->data['ext'] != 'css' && $this->data['ext'] != 'js') {
            return $this;
        }

        $cache = new Cache($this->builder, 'assets');
        $cacheKey = $cache->createKeyFromAsset($this);
        if (!$cache->has($cacheKey)) {
            switch ($this->data['ext']) {
                case 'css':
                    $minifier = new Minify\CSS($this->data['content']);
                    break;
                case 'js':
                    $minifier = new Minify\JS($this->data['content']);
                    break;
                default:
                    throw new Exception(sprintf('Not able to minify "%s"', $this->data['path']));
            }
            $this->data['path'] = preg_replace(
                '/\.'.$this->data['ext'].'$/m',
                '.min.'.$this->data['ext'],
                $this->data['path']
            );
            $this->data['content'] = $minifier->minify();
            $this->minified = true;
            $cache->set($cacheKey, $this->data);
        }
        $this->data = $cache->get($cacheKey);

        return $this;
    }

    /**
     * Implements \ArrayAccess.
     */
    public function offsetSet($offset, $value)
    {
        if (!is_null($offset)) {
            $this->data[$offset] = $value;
        }
    }

    /**
     * Implements \ArrayAccess.
     */
    public function offsetExists($offset)
    {
        return isset($this->data[$offset]);
    }

    /**
     * Implements \ArrayAccess.
     */
    public function offsetUnset($offset)
    {
        unset($this->data[$offset]);
    }

    /**
     * Implements \ArrayAccess.
     */
    public function offsetGet($offset)
    {
        return isset($this->data[$offset]) ? $this->data[$offset] : null;
    }

    /**
     * Hashing content of an asset with the specified algo, sha384 by default.
     * Used for SRI (Subresource Integrity).
     *
     * @see https://developer.mozilla.org/fr/docs/Web/Security/Subresource_Integrity
     *
     * @return string
     */
    public function getIntegrity(string $algo = 'sha384'): string
    {
        return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true)));
    }

    /**
     * Saves file.
     * Note: a file from `static/` with the same name will be overridden.
     *
     * @throws Exception
     *
     * @return void
     */
    public function save(): void
    {
        $file = Util::joinFile($this->config->getOutputPath(), $this->data['path']);
        if (!$this->builder->getBuildOptions()['dry-run']) {
            try {
                Util::getFS()->dumpFile($file, $this->data['content']);
            } catch (\Symfony\Component\Filesystem\Exception\IOException $e) {
                throw new Exception(\sprintf('Can\'t save asset "%s"', $this->data['path']));
            }
        }
    }

    /**
     * Try to find a static file (in site or theme(s)) if exists or returns false.
     *
     * @param string $path
     *
     * @return string|false
     */
    private function findFile(string $path)
    {
        $filePath = Util::joinFile($this->config->getStaticPath(), $path);
        if (Util::getFS()->exists($filePath)) {
            return $filePath;
        }

        // checks in each theme
        foreach ($this->config->getTheme() as $theme) {
            $filePath = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path);
            if (Util::getFS()->exists($filePath)) {
                return $filePath;
            }
        }

        return false;
    }
}


1			<?php
2			/**
3			* This file is part of the Cecil/Cecil package.
4			*
5			* Copyright (c) Arnaud Ligny <[email protected]>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			namespace Cecil\Assets;
12
13			use Cecil\Builder;
14			use Cecil\Config;
15			use Cecil\Exception\Exception;
16			use Cecil\Util;
17			use MatthiasMullie\Minify;
18			use ScssPhp\ScssPhp\Compiler;
19
20			class Asset implements \ArrayAccess
21			{
22			const ASSETS_OUTPUT_DIR = '/';
23
24			/** @var Builder */
25			protected $builder;
26			/** @var Config */
27			protected $config;
28			/** @var array */
29			protected $data = [];
30			/** @var bool */
31			protected $fingerprinted = false;
32			/** @var bool */
33			protected $compiled = false;
34			/** @var bool */
35			protected $minified = false;
36
37			/**
38			* Creates an Asset from file.
39			*
40			* $options[
41			* 'fingerprint' => true,
42			* 'minify' => true,
43			* 'attributes' => ['title' => 'Titre'],
44			* ];
45			*
46			* @param Builder $builder
47			* @param string $path
48			* @param array\|null $options
49			*/
50			public function __construct(Builder $builder, string $path, array $options = null)
51			{
52			$this->builder = $builder;
53			$this->config = $builder->getConfig();
54			$path = '/'.ltrim($path, '/');
55
56			if (false === $filePath = $this->findFile($path)) {
57			throw new Exception(sprintf('Asset file "%s" doesn\'t exist.', $path));
58			}
59
60			$pathinfo = pathinfo($path);
61
62			// handles options
63			$fingerprint = (bool) $this->config->get('assets.fingerprint.auto');
64			$minify = (bool) $this->config->get('assets.minify.auto');
65			$attributes = null;
66			extract(is_array($options) ? $options : [], EXTR_IF_EXISTS);
67
68			// set data
69			$this->data['file'] = $filePath;
70			$this->data['path'] = Util::joinPath(self::ASSETS_OUTPUT_DIR, $path);
71			$this->data['ext'] = $pathinfo['extension'];
72			$this->data['type'] = explode('/', mime_content_type($filePath))[0];
73			$this->data['source'] = file_get_contents($filePath);
74			$this->data['content'] = $this->data['source'];
75			$this->data['attributes'] = $attributes;
76
77			// fingerprinting
78			if ($fingerprint) {
79			$this->fingerprint();
80			}
81			// compiling
82			if ((bool) $this->config->get('assets.compile.auto')) {
83			$this->compile();
84			}
85			// minifying
86			if ($minify) {
87			$this->minify();
88			}
89			}
90
91			/**
92			* Returns Asset path.
93			*
94			* @return string
95			*/
96			public function __toString(): string
97			{
98			return $this->data['path'];
99			}
100
101			/**
102			* Fingerprints a file.
103			*
104			* @return self
105			*/
106			public function fingerprint(): self
107			{
108			if ($this->fingerprinted) {
109			return $this;
110			}
111
112			$fingerprint = hash('md5', $this->data['source']);
113			$this->data['path'] = preg_replace(
114			'/\.'.$this->data['ext'].'$/m',
115			".$fingerprint.".$this->data['ext'],
116			$this->data['path']
117			);
118
119			$this->fingerprinted = true;
120
121			return $this;
122			}
123
124			/**
125			* Compiles a SCSS.
126			*
127			* @return self
128			*/
129			public function compile(): self
130			{
131			if ($this->compiled) {
132			return $this;
133			}
134
135			if ($this->data['ext'] != 'scss') {
136			return $this;
137			}
138
139			$cache = new Cache($this->builder, 'assets');
140			$cacheKey = $cache->createKeyFromAsset($this);
141			if (!$cache->has($cacheKey)) {
142			$scssPhp = new Compiler();
143			$scssDir = $this->config->get('assets.compile.import') ?? [];
144			$themes = $this->config->getTheme() ?? [];
145			foreach ($scssDir as $dir) {
146			$scssPhp->addImportPath(Util::joinPath($this->config->getStaticPath(), $dir));
147			$scssPhp->addImportPath(Util::joinPath(dirname($this->data['file']), $dir));
148			foreach ($themes as $theme) {
149			$scssPhp->addImportPath(Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir")));
150			}
151			}
152			$scssPhp->setVariables($this->config->get('assets.compile.variables') ?? []);
153			$scssPhp->setFormatter('ScssPhp\ScssPhp\Formatter\\'.ucfirst($this->config->get('assets.compile.style')));
154			$this->data['path'] = preg_replace('/scss/m', 'css', $this->data['path']);
155			$this->data['ext'] = 'css';
156			$this->data['content'] = $scssPhp->compile($this->data['content']);
157			$this->compiled = true;
158			$cache->set($cacheKey, $this->data);
159			}
160			$this->data = $cache->get($cacheKey);
161
162			return $this;
163			}
164
165			/**
166			* Minifying a CSS or a JS.
167			*
168			* @return self
169			*/
170			public function minify(): self
171			{
172			if ($this->minified) {
173			return $this;
174			}
175
176			if ($this->data['ext'] == 'scss') {
177			$this->compile();
178			}
179
180			if ($this->data['ext'] != 'css' && $this->data['ext'] != 'js') {
181			return $this;
182			}
183
184			$cache = new Cache($this->builder, 'assets');
185			$cacheKey = $cache->createKeyFromAsset($this);
186			if (!$cache->has($cacheKey)) {
187			switch ($this->data['ext']) {
188			case 'css':
189			$minifier = new Minify\CSS($this->data['content']);
190			break;
191			case 'js':
192			$minifier = new Minify\JS($this->data['content']);
193			break;
194			default:
195			throw new Exception(sprintf('Not able to minify "%s"', $this->data['path']));
196			}
197			$this->data['path'] = preg_replace(
198			'/\.'.$this->data['ext'].'$/m',
199			'.min.'.$this->data['ext'],
200			$this->data['path']
201			);
202			$this->data['content'] = $minifier->minify();
203			$this->minified = true;
204			$cache->set($cacheKey, $this->data);
205			}
206			$this->data = $cache->get($cacheKey);
207
208			return $this;
209			}
210
211			/**
212			* Implements \ArrayAccess.
213			*/
214			public function offsetSet($offset, $value)
215			{
216			if (!is_null($offset)) {
217			$this->data[$offset] = $value;
218			}
219			}
220
221			/**
222			* Implements \ArrayAccess.
223			*/
224			public function offsetExists($offset)
225			{
226			return isset($this->data[$offset]);
227			}
228
229			/**
230			* Implements \ArrayAccess.
231			*/
232			public function offsetUnset($offset)
233			{
234			unset($this->data[$offset]);
235			}
236
237			/**
238			* Implements \ArrayAccess.
239			*/
240			public function offsetGet($offset)
241			{
242			return isset($this->data[$offset]) ? $this->data[$offset] : null;
243			}
244
245			/**
246			* Hashing content of an asset with the specified algo, sha384 by default.
247			* Used for SRI (Subresource Integrity).
248			*
249			* @see https://developer.mozilla.org/fr/docs/Web/Security/Subresource_Integrity
250			*
251			* @return string
252			*/
253			public function getIntegrity(string $algo = 'sha384'): string
254			{
255			return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true)));
256			}
257
258			/**
259			* Saves file.
260			* Note: a file from `static/` with the same name will be overridden.
261			*
262			* @throws Exception
263			*
264			* @return void
265			*/
266			public function save(): void
267			{
268			$file = Util::joinFile($this->config->getOutputPath(), $this->data['path']);
269			if (!$this->builder->getBuildOptions()['dry-run']) {
270			try {
271			Util::getFS()->dumpFile($file, $this->data['content']);
272			} catch (\Symfony\Component\Filesystem\Exception\IOException $e) {
273			throw new Exception(\sprintf('Can\'t save asset "%s"', $this->data['path']));
274			}
275			}
276			}
277
278			/**
279			* Try to find a static file (in site or theme(s)) if exists or returns false.
280			*
281			* @param string $path
282			*
283			* @return string\|false
284			*/
285			private function findFile(string $path)
286			{
287			$filePath = Util::joinFile($this->config->getStaticPath(), $path);
288			if (Util::getFS()->exists($filePath)) {
289			return $filePath;
290			}
291
292			// checks in each theme
293			foreach ($this->config->getTheme() as $theme) {
294			$filePath = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path);
295			if (Util::getFS()->exists($filePath)) {
296			return $filePath;
297			}
298			}
299
300			return false;
301			}
302			}
303

Cecilapp / Cecil

Push — fingerprint ( 35d32d...db2713 )

Asset::getIntegrity() A

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