Passed
Push — master ( a34110...9000cd )
by Arnaud
04:52
created

Asset::webp()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
c 1
b 0
f 0
nc 1
nop 1
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
1
<?php
2
3
declare(strict_types=1);
4
5
/*
6
 * This file is part of Cecil.
7
 *
8
 * Copyright (c) Arnaud Ligny <[email protected]>
9
 *
10
 * For the full copyright and license information, please view the LICENSE
11
 * file that was distributed with this source code.
12
 */
13
14
namespace Cecil\Assets;
15
16
use Cecil\Assets\Image\Optimizer;
17
use Cecil\Builder;
18
use Cecil\Collection\Page\Page;
19
use Cecil\Config;
20
use Cecil\Exception\ConfigException;
21
use Cecil\Exception\RuntimeException;
22
use Cecil\Url;
23
use Cecil\Util;
24
use MatthiasMullie\Minify;
25
use ScssPhp\ScssPhp\Compiler;
26
use ScssPhp\ScssPhp\OutputStyle;
27
use wapmorgan\Mp3Info\Mp3Info;
28
29
class Asset implements \ArrayAccess
30
{
31
    /** @var Builder */
32
    protected $builder;
33
34
    /** @var Config */
35
    protected $config;
36
37
    /** @var array */
38
    protected $data = [];
39
40
    /** @var array Cache tags */
41
    protected $cacheTags = [];
42
43
    /**
44
     * Creates an Asset from a file path, an array of files path or an URL.
45
     * Options:
46
     * [
47
     *     'filename' => <string>,
48
     *     'leading_slash' => <bool>
49
     *     'ignore_missing' => <bool>,
50
     *     'fingerprint' => <bool>,
51
     *     'minify' => <bool>,
52
     *     'optimize' => <bool>,
53
     *     'fallback' => <string>,
54
     *     'useragent' => <string>,
55
     * ]
56
     *
57
     * @param Builder      $builder
58
     * @param string|array $paths
59
     * @param array|null   $options
60
     *
61
     * @throws RuntimeException
62
     */
63 1
    public function __construct(Builder $builder, string|array $paths, array|null $options = null)
64
    {
65 1
        $this->builder = $builder;
66 1
        $this->config = $builder->getConfig();
67 1
        $paths = \is_array($paths) ? $paths : [$paths];
68
        // checks path(s)
69 1
        array_walk($paths, function ($path) {
70
            // must be a string
71 1
            if (!\is_string($path)) {
72
                throw new RuntimeException(\sprintf('The path of an asset must be a string ("%s" given).', \gettype($path)));
73
            }
74
            // can't be empty
75 1
            if (empty($path)) {
76
                throw new RuntimeException('The path of an asset can\'t be empty.');
77
            }
78
            // can't be relative
79 1
            if (substr($path, 0, 2) == '..') {
80
                throw new RuntimeException(\sprintf('The path of asset "%s" is wrong: it must be directly relative to `assets` or `static` directory, or a remote URL.', $path));
81
            }
82 1
        });
83 1
        $this->data = [
84 1
            'file'     => '',    // absolute file path
85 1
            'files'    => [],    // array of absolute files path
86 1
            'missing'  => false, // if file not found but missing allowed: 'missing' is true
87 1
            '_path'    => '',    // original path
88 1
            'path'     => '',    // public path
89 1
            'url'      => null,  // URL if it's a remote file
90 1
            'ext'      => '',    // file extension
91 1
            'type'     => '',    // file type (e.g.: image, audio, video, etc.)
92 1
            'subtype'  => '',    // file media type (e.g.: image/png, audio/mp3, etc.)
93 1
            'size'     => 0,     // file size (in bytes)
94 1
            'width'    => 0,     // image width (in pixels)
95 1
            'height'   => 0,     // image height (in pixels)
96 1
            'exif'     => [],    // image exif data
97 1
            'content'  => '',    // file content
98 1
        ];
99
100
        // handles options
101 1
        $options = array_merge(
102 1
            [
103 1
                'filename'       => '',
104 1
                'leading_slash'  => true,
105 1
                'ignore_missing' => false,
106 1
                'fingerprint'    => $this->config->isEnabled('assets.fingerprint'),
107 1
                'minify'         => $this->config->isEnabled('assets.minify'),
108 1
                'optimize'       => $this->config->isEnabled('assets.images.optimize'),
109 1
                'fallback'       => '',
110 1
                'useragent'      => (string) $this->config->get('assets.remote.useragent.default'),
111 1
            ],
112 1
            \is_array($options) ? $options : []
113 1
        );
114
115
        // cache
116 1
        $cache = new Cache($this->builder, 'assets');
117 1
        $this->cacheTags = $options;
118 1
        unset($this->cacheTags['ignore_missing'], $this->cacheTags['fallback'], $this->cacheTags['useragent']);
119 1
        $locateCacheKey = \sprintf('%s_locate__%s__%s', $options['filename'] ?: implode('_', $paths), $this->builder->getBuilId(), $this->builder->getVersion());
120
121
        // locate file(s) and get content
122 1
        if (!$cache->has($locateCacheKey)) {
123 1
            $pathsCount = \count($paths);
124 1
            for ($i = 0; $i < $pathsCount; $i++) {
125
                try {
126 1
                    $this->data['missing'] = false;
127 1
                    $locate = $this->locateFile($paths[$i], $options['fallback'], $options['useragent']);
128 1
                    $file = $locate['file'];
129 1
                    $path = $locate['path'];
130 1
                    $type = Util\File::getMediaType($file)[0];
131 1
                    if ($i > 0) { // bundle
132 1
                        if ($type != $this->data['type']) {
133
                            throw new RuntimeException(\sprintf('Asset bundle type error (%s != %s).', $type, $this->data['type']));
134
                        }
135
                    }
136 1
                    $this->data['file'] = $file;
137 1
                    $this->data['files'][] = $file;
138 1
                    $this->data['path'] = $path;
139 1
                    $this->data['url'] = Util\File::isRemote($paths[$i]) ? $paths[$i] : null;
140 1
                    $this->data['ext'] = Util\File::getExtension($file);
141 1
                    $this->data['type'] = $type;
142 1
                    $this->data['subtype'] = Util\File::getMediaType($file)[1];
143 1
                    $this->data['size'] += filesize($file);
144 1
                    $this->data['content'] .= Util\File::fileGetContents($file);
145
                    // bundle default filename
146 1
                    $filename = $options['filename'];
147 1
                    if ($pathsCount > 1 && empty($filename)) {
148 1
                        switch ($this->data['ext']) {
149 1
                            case 'scss':
150 1
                            case 'css':
151 1
                                $filename = 'styles.css';
152 1
                                break;
153 1
                            case 'js':
154 1
                                $filename = 'scripts.js';
155 1
                                break;
156
                            default:
157
                                throw new RuntimeException(\sprintf('Asset bundle supports %s files only.', '.scss, .css and .js'));
158
                        }
159
                    }
160
                    // apply bundle filename to path
161 1
                    if (!empty($filename)) {
162 1
                        $this->data['path'] = $filename;
163
                    }
164
                    // add leading slash
165 1
                    if ($options['leading_slash']) {
166 1
                        $this->data['path'] = '/' . ltrim($this->data['path'], '/');
167
                    }
168 1
                    $this->data['_path'] = $this->data['path'];
169 1
                } catch (RuntimeException $e) {
170 1
                    if ($options['ignore_missing']) {
171 1
                        $this->data['missing'] = true;
172 1
                        continue;
173
                    }
174
                    throw new RuntimeException(
175
                        \sprintf('Can\'t handle asset "%s".', $paths[$i]),
176
                        previous: $e
177
                    );
178
                }
179
            }
180 1
            $cache->set($locateCacheKey, $this->data);
181
        }
182 1
        $this->data = $cache->get($locateCacheKey);
183
184
        // missing
185 1
        if ($this->data['missing']) {
186 1
            return;
187
        }
188
189
        // cache
190 1
        $cache = new Cache($this->builder, 'assets');
191 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
192 1
        if (!$cache->has($cacheKey)) {
193
            // image: width, height and exif
194 1
            if ($this->data['type'] == 'image') {
195 1
                $this->data['width'] = $this->getWidth();
196 1
                $this->data['height'] = $this->getHeight();
197 1
                if ($this->data['subtype'] == 'image/jpeg') {
198 1
                    $this->data['exif'] = Util\File::readExif($this->data['file']);
199
                }
200
            }
201
            // fingerprinting
202 1
            if ($options['fingerprint']) {
203
                $this->doFingerprint();
204
            }
205
            // compiling Sass files
206 1
            $this->doCompile();
207
            // minifying (CSS and JavScript files)
208 1
            if ($options['minify']) {
209 1
                $this->doMinify();
210
            }
211 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
212 1
            $this->builder->getLogger()->debug(\sprintf('Asset created: "%s"', $this->data['path']));
213
            // optimizing images files (in cache)
214 1
            if ($options['optimize'] && $this->data['type'] == 'image' && !$this->isImageInCdn()) {
215 1
                $this->optimize($cache->getContentFilePathname($this->data['path']), $this->data['path']);
216
            }
217
        }
218 1
        $this->data = $cache->get($cacheKey);
219
    }
220
221
    /**
222
     * Returns path.
223
     */
224 1
    public function __toString(): string
225
    {
226 1
        $this->save();
227
228 1
        if ($this->isImageInCdn()) {
229
            return $this->buildImageCdnUrl();
230
        }
231
232 1
        if ($this->builder->getConfig()->isEnabled('canonicalurl')) {
233
            return (string) new Url($this->builder, $this->data['path'], ['canonical' => true]);
234
        }
235
236 1
        return $this->data['path'];
237
    }
238
239
    /**
240
     * Compiles a SCSS + cache.
241
     *
242
     * @throws RuntimeException
243
     */
244 1
    public function compile(): self
245
    {
246 1
        $this->cacheTags['compile'] = true;
247 1
        $cache = new Cache($this->builder, 'assets');
248 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
249 1
        if (!$cache->has($cacheKey)) {
250 1
            $this->doCompile();
251 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
252
        }
253 1
        $this->data = $cache->get($cacheKey);
254
255 1
        return $this;
256
    }
257
258
    /**
259
     * Minifying a CSS or a JS.
260
     */
261 1
    public function minify(): self
262
    {
263 1
        $this->cacheTags['minify'] = true;
264 1
        $cache = new Cache($this->builder, 'assets');
265 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
266 1
        if (!$cache->has($cacheKey)) {
267 1
            $this->doMinify();
268 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
269
        }
270 1
        $this->data = $cache->get($cacheKey);
271
272 1
        return $this;
273
    }
274
275
    /**
276
     * Add hash to the file name + cache.
277
     */
278 1
    public function fingerprint(): self
279
    {
280 1
        $this->cacheTags['fingerprint'] = true;
281 1
        $cache = new Cache($this->builder, 'assets');
282 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
283 1
        if (!$cache->has($cacheKey)) {
284 1
            $this->doFingerprint();
285 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
286
        }
287 1
        $this->data = $cache->get($cacheKey);
288
289 1
        return $this;
290
    }
291
292
    /**
293
     * Resizes an image with a new $width.
294
     *
295
     * @throws RuntimeException
296
     */
297 1
    public function resize(int $width): self
298
    {
299 1
        if ($this->data['missing']) {
300
            throw new RuntimeException(\sprintf('Not able to resize "%s": file not found.', $this->data['path']));
301
        }
302 1
        if ($this->data['type'] != 'image') {
303
            throw new RuntimeException(\sprintf('Not able to resize "%s": not an image.', $this->data['path']));
304
        }
305 1
        if ($width >= $this->data['width']) {
306 1
            return $this;
307
        }
308
309 1
        $assetResized = clone $this;
310 1
        $assetResized->data['width'] = $width;
311
312 1
        if ($this->isImageInCdn()) {
313
            $assetResized->data['height'] = round($this->data['height'] / ($this->data['width'] / $width));
314
315
            return $assetResized; // returns asset with the new dimensions only: CDN do the rest of the job
316
        }
317
318 1
        $quality = (int) $this->config->get('assets.images.quality');
319
320 1
        $cache = new Cache($this->builder, 'assets');
321 1
        $this->cacheTags['quality'] = $quality;
322 1
        $this->cacheTags['width'] = $width;
323 1
        $cacheKey = $cache->createKeyFromAsset($assetResized, $this->cacheTags);
324 1
        if (!$cache->has($cacheKey)) {
325 1
            $assetResized->data['content'] = Image::resize($assetResized, $width, $quality);
326 1
            $assetResized->data['path'] = '/' . Util::joinPath(
327 1
                (string) $this->config->get('assets.target'),
328 1
                'thumbnails',
329 1
                (string) $width,
330 1
                $assetResized->data['path']
331 1
            );
332 1
            $assetResized->data['height'] = $assetResized->getHeight();
333 1
            $assetResized->data['size'] = \strlen($assetResized->data['content']);
334
335 1
            $cache->set($cacheKey, $assetResized->data, $this->config->get('cache.assets.ttl'));
336 1
            $this->builder->getLogger()->debug(\sprintf('Asset resized: "%s" (%sx)', $assetResized->data['path'], $width));
337
        }
338 1
        $assetResized->data = $cache->get($cacheKey);
339
340 1
        return $assetResized;
341
    }
342
343
    /**
344
     * Converts an image asset to $format format.
345
     *
346
     * @throws RuntimeException
347
     */
348 1
    public function convert(string $format, ?int $quality = null): self
349
    {
350 1
        if ($this->data['type'] != 'image') {
351
            throw new RuntimeException(\sprintf('Not able to convert "%s" (%s) to %s: not an image.', $this->data['path'], $this->data['type'], $format));
352
        }
353
354 1
        if ($quality === null) {
355 1
            $quality = (int) $this->config->get('assets.images.quality');
356
        }
357
358 1
        $asset = clone $this;
359 1
        $asset['ext'] = $format;
360 1
        $asset->data['subtype'] = "image/$format";
361
362 1
        if ($this->isImageInCdn()) {
363
            return $asset; // returns the asset with the new extension only: CDN do the rest of the job
364
        }
365
366 1
        $cache = new Cache($this->builder, 'assets');
367 1
        $this->cacheTags['quality'] = $quality;
368 1
        if ($this->data['width']) {
369 1
            $this->cacheTags['width'] = $this->data['width'];
370
        }
371 1
        $cacheKey = $cache->createKeyFromAsset($asset, $this->cacheTags);
372 1
        if (!$cache->has($cacheKey)) {
373
            try {
374 1
                $asset->data['content'] = Image::convert($asset, $format, $quality);
375 1
            } catch (\Exception $e) {
376 1
                $this->builder->getLogger()->error(\sprintf('Error while converting "%s" to %s: %s', $this->data['path'], $format, $e->getMessage()));
377 1
                return $this;
378
            }
379
            $asset->data['path'] = preg_replace('/\.' . $this->data['ext'] . '$/m', ".$format", $this->data['path']);
380
            $asset->data['size'] = \strlen($asset->data['content']);
381
            $cache->set($cacheKey, $asset->data, $this->config->get('cache.assets.ttl'));
382
            $this->builder->getLogger()->debug(\sprintf('Asset converted: "%s" (%s -> %s)', $asset->data['path'], $this->data['ext'], $format));
383
        }
384
        $asset->data = $cache->get($cacheKey);
385
386
        return $asset;
387
    }
388
389
    /**
390
     * Converts an image asset to WebP format.
391
     *
392
     * @throws RuntimeException
393
     */
394 1
    public function webp(?int $quality = null): self
395
    {
396 1
        return $this->convert('webp', $quality);
397
    }
398
399
    /**
400
     * Converts an image asset to AVIF format.
401
     *
402
     * @throws RuntimeException
403
     */
404 1
    public function avif(?int $quality = null): self
405
    {
406 1
        return $this->convert('avif', $quality);
407
    }
408
409
    /**
410
     * Implements \ArrayAccess.
411
     */
412 1
    #[\ReturnTypeWillChange]
413
    public function offsetSet($offset, $value): void
414
    {
415 1
        if (!\is_null($offset)) {
416 1
            $this->data[$offset] = $value;
417
        }
418
    }
419
420
    /**
421
     * Implements \ArrayAccess.
422
     */
423 1
    #[\ReturnTypeWillChange]
424
    public function offsetExists($offset): bool
425
    {
426 1
        return isset($this->data[$offset]);
427
    }
428
429
    /**
430
     * Implements \ArrayAccess.
431
     */
432
    #[\ReturnTypeWillChange]
433
    public function offsetUnset($offset): void
434
    {
435
        unset($this->data[$offset]);
436
    }
437
438
    /**
439
     * Implements \ArrayAccess.
440
     */
441 1
    #[\ReturnTypeWillChange]
442
    public function offsetGet($offset)
443
    {
444 1
        return isset($this->data[$offset]) ? $this->data[$offset] : null;
445
    }
446
447
    /**
448
     * Hashing content of an asset with the specified algo, sha384 by default.
449
     * Used for SRI (Subresource Integrity).
450
     *
451
     * @see https://developer.mozilla.org/fr/docs/Web/Security/Subresource_Integrity
452
     */
453 1
    public function getIntegrity(string $algo = 'sha384'): string
454
    {
455 1
        return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true)));
456
    }
457
458
    /**
459
     * Returns MP3 file infos.
460
     *
461
     * @see https://github.com/wapmorgan/Mp3Info
462
     */
463 1
    public function getAudio(): Mp3Info
464
    {
465 1
        if ($this->data['type'] !== 'audio') {
466
            throw new RuntimeException(\sprintf('Not able to get audio infos of "%s".', $this->data['path']));
467
        }
468
469 1
        return new Mp3Info($this->data['file']);
470
    }
471
472
    /**
473
     * Returns MP4 file infos.
474
     *
475
     * @see https://github.com/clwu88/php-read-mp4info
476
     */
477 1
    public function getVideo(): array
478
    {
479 1
        if ($this->data['type'] !== 'video') {
480
            throw new RuntimeException(\sprintf('Not able to get video infos of "%s".', $this->data['path']));
481
        }
482
483 1
        return (array) \Clwu\Mp4::getInfo($this->data['file']);
484
    }
485
486
    /**
487
     * Returns the Data URL (encoded in Base64).
488
     *
489
     * @throws RuntimeException
490
     */
491 1
    public function dataurl(): string
492
    {
493 1
        if ($this->data['type'] == 'image' && !Image::isSVG($this)) {
494 1
            return Image::getDataUrl($this, (int) $this->config->get('assets.images.quality'));
495
        }
496
497 1
        return \sprintf('data:%s;base64,%s', $this->data['subtype'], base64_encode($this->data['content']));
498
    }
499
500
    /**
501
     * Adds asset path to the list of assets to save.
502
     *
503
     * @throws RuntimeException
504
     */
505 1
    public function save(): void
506
    {
507 1
        if ($this->data['missing']) {
508 1
            return;
509
        }
510
511 1
        $cache = new Cache($this->builder, 'assets');
512 1
        if (empty($this->data['path']) || !Util\File::getFS()->exists($cache->getContentFilePathname($this->data['path']))) {
513
            throw new RuntimeException(
514
                \sprintf('Can\'t add "%s" to assets list. Please clear cache and retry.', $this->data['path'])
515
            );
516
        }
517
518 1
        $this->builder->addAsset($this->data['path']);
519
    }
520
521
    /**
522
     * Is the asset an image and is it in CDN?
523
     */
524 1
    public function isImageInCdn(): bool
525
    {
526
        if (
527 1
            $this->data['type'] == 'image'
528 1
            && $this->config->isEnabled('assets.images.cdn')
529 1
            && $this->data['ext'] != 'ico'
530 1
            && (Image::isSVG($this) && $this->config->isEnabled('assets.images.cdn.svg'))
531
        ) {
532
            return true;
533
        }
534
        // handle remote image?
535 1
        if ($this->data['url'] !== null && $this->config->isEnabled('assets.images.cdn.remote')) {
536
            return true;
537
        }
538
539 1
        return false;
540
    }
541
542
    /**
543
     * Builds a relative path from a URL.
544
     * Used for remote files.
545
     */
546 1
    public static function buildPathFromUrl(string $url): string
547
    {
548 1
        $host = parse_url($url, PHP_URL_HOST);
549 1
        $path = parse_url($url, PHP_URL_PATH);
550 1
        $query = parse_url($url, PHP_URL_QUERY);
551 1
        $ext = pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION);
552
553
        // Google Fonts hack
554 1
        if (Util\Str::endsWith($path, '/css') || Util\Str::endsWith($path, '/css2')) {
555 1
            $ext = 'css';
556
        }
557
558 1
        return Page::slugify(\sprintf('%s%s%s%s', $host, self::sanitize($path), $query ? "-$query" : '', $query && $ext ? ".$ext" : ''));
559
    }
560
561
    /**
562
     * Replaces some characters by '_'.
563
     */
564 1
    public static function sanitize(string $string): string
565
    {
566 1
        return str_replace(['<', '>', ':', '"', '\\', '|', '?', '*'], '_', $string);
567
    }
568
569
    /**
570
     * Compiles a SCSS.
571
     *
572
     * @throws RuntimeException
573
     */
574 1
    protected function doCompile(): self
575
    {
576
        // abort if not a SCSS file
577 1
        if ($this->data['ext'] != 'scss') {
578 1
            return $this;
579
        }
580 1
        $scssPhp = new Compiler();
581
        // import paths
582 1
        $importDir = [];
583 1
        $importDir[] = Util::joinPath($this->config->getStaticPath());
584 1
        $importDir[] = Util::joinPath($this->config->getAssetsPath());
585 1
        $scssDir = (array) $this->config->get('assets.compile.import');
586 1
        $themes = $this->config->getTheme() ?? [];
587 1
        foreach ($scssDir as $dir) {
588 1
            $importDir[] = Util::joinPath($this->config->getStaticPath(), $dir);
589 1
            $importDir[] = Util::joinPath($this->config->getAssetsPath(), $dir);
590 1
            $importDir[] = Util::joinPath(\dirname($this->data['file']), $dir);
591 1
            foreach ($themes as $theme) {
592 1
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir"));
593 1
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "assets/$dir"));
594
            }
595
        }
596 1
        $scssPhp->setQuietDeps(true);
597 1
        $scssPhp->setImportPaths(array_unique($importDir));
598
        // adds source map
599 1
        if ($this->builder->isDebug() && $this->config->isEnabled('assets.compile.sourcemap')) {
600
            $importDir = [];
601
            $assetDir = (string) $this->config->get('assets.dir');
602
            $assetDirPos = strrpos($this->data['file'], DIRECTORY_SEPARATOR . $assetDir . DIRECTORY_SEPARATOR);
603
            $fileRelPath = substr($this->data['file'], $assetDirPos + 8);
604
            $filePath = Util::joinFile($this->config->getOutputPath(), $fileRelPath);
605
            $importDir[] = \dirname($filePath);
606
            foreach ($scssDir as $dir) {
607
                $importDir[] = Util::joinFile($this->config->getOutputPath(), $dir);
608
            }
609
            $scssPhp->setImportPaths(array_unique($importDir));
610
            $scssPhp->setSourceMap(Compiler::SOURCE_MAP_INLINE);
611
            $scssPhp->setSourceMapOptions([
612
                'sourceMapBasepath' => Util::joinPath($this->config->getOutputPath()),
613
                'sourceRoot'        => '/',
614
            ]);
615
        }
616
        // defines output style
617 1
        $outputStyles = ['expanded', 'compressed'];
618 1
        $outputStyle = strtolower((string) $this->config->get('assets.compile.style'));
619 1
        if (!\in_array($outputStyle, $outputStyles)) {
620
            throw new ConfigException(\sprintf('"%s" value must be "%s".', 'assets.compile.style', implode('" or "', $outputStyles)));
621
        }
622 1
        $scssPhp->setOutputStyle($outputStyle == 'compressed' ? OutputStyle::COMPRESSED : OutputStyle::EXPANDED);
623
        // set variables
624 1
        $variables = $this->config->get('assets.compile.variables');
625 1
        if (!empty($variables)) {
626 1
            $variables = array_map('ScssPhp\ScssPhp\ValueConverter::parseValue', $variables);
627 1
            $scssPhp->replaceVariables($variables);
628
        }
629
        // debug
630 1
        if ($this->builder->isDebug()) {
631 1
            $scssPhp->setQuietDeps(false);
632 1
            $this->builder->getLogger()->debug(\sprintf("SCSS compiler imported paths:\n%s", Util\Str::arrayToList(array_unique($importDir))));
633
        }
634
        // update data
635 1
        $this->data['path'] = preg_replace('/sass|scss/m', 'css', $this->data['path']);
636 1
        $this->data['ext'] = 'css';
637 1
        $this->data['type'] = 'text';
638 1
        $this->data['subtype'] = 'text/css';
639 1
        $this->data['content'] = $scssPhp->compileString($this->data['content'])->getCss();
640 1
        $this->data['size'] = \strlen($this->data['content']);
641
642 1
        $this->builder->getLogger()->debug(\sprintf('Asset compiled: "%s"', $this->data['path']));
643
644 1
        return $this;
645
    }
646
647
    /**
648
     * Minifying a CSS or a JS + cache.
649
     *
650
     * @throws RuntimeException
651
     */
652 1
    protected function doMinify(): self
653
    {
654
        // in debug mode: disable minify to preserve inline source map
655 1
        if ($this->builder->isDebug() && $this->config->isEnabled('assets.compile.sourcemap')) {
656
            return $this;
657
        }
658
        // abord if not a CSS or JS file
659 1
        if ($this->data['ext'] != 'css' && $this->data['ext'] != 'js') {
660
            return $this;
661
        }
662
        // abort if already minified
663 1
        if (substr($this->data['path'], -8) == '.min.css' || substr($this->data['path'], -7) == '.min.js') {
664
            return $this;
665
        }
666
        // compile SCSS files
667 1
        if ($this->data['ext'] == 'scss') {
668
            $this->compile();
669
        }
670 1
        switch ($this->data['ext']) {
671 1
            case 'css':
672 1
                $minifier = new Minify\CSS($this->data['content']);
673 1
                break;
674 1
            case 'js':
675 1
                $minifier = new Minify\JS($this->data['content']);
676 1
                break;
677
            default:
678
                throw new RuntimeException(\sprintf('Not able to minify "%s".', $this->data['path']));
679
        }
680 1
        $this->data['content'] = $minifier->minify();
681 1
        $this->data['size'] = \strlen($this->data['content']);
682
683 1
        $this->builder->getLogger()->debug(\sprintf('Asset minified: "%s"', $this->data['path']));
684
685 1
        return $this;
686
    }
687
688
    /**
689
     * Add hash to the file name.
690
     */
691 1
    protected function doFingerprint(): self
692
    {
693 1
        $hash = hash('md5', $this->data['content']);
694 1
        $this->data['path'] = preg_replace(
695 1
            '/\.' . $this->data['ext'] . '$/m',
696 1
            ".$hash." . $this->data['ext'],
697 1
            $this->data['path']
698 1
        );
699 1
        $this->builder->getLogger()->debug(\sprintf('Asset fingerprinted: "%s"', $this->data['path']));
700
701 1
        return $this;
702
    }
703
704
    /**
705
     * Returns local file path and updated path, or throw an exception.
706
     * If $fallback path is set, it will be used if the remote file is not found.
707
     *
708
     * Try to locate the file in:
709
     *   (1. remote file)
710
     *   1. assets
711
     *   2. themes/<theme>/assets
712
     *   3. static
713
     *   4. themes/<theme>/static
714
     *
715
     * @throws RuntimeException
716
     */
717 1
    private function locateFile(string $path, ?string $fallback = null, ?string $userAgent = null): array
718
    {
719
        // remote file
720 1
        if (Util\File::isRemote($path)) {
721
            try {
722 1
                $content = $this->getRemoteFileContent($path, $userAgent);
723 1
                $path = self::buildPathFromUrl($path);
724 1
                $cache = new Cache($this->builder, 'assets/remote');
725 1
                if (!$cache->has($path)) {
726 1
                    $cache->set($path, [
727 1
                        'content' => $content,
728 1
                        'path'    => $path,
729 1
                    ], $this->config->get('cache.assets.remote.ttl'));
730
                }
731 1
                return [
732 1
                    'file' => $cache->getContentFilePathname($path),
733 1
                    'path' => $path,
734 1
                ];
735 1
            } catch (RuntimeException $e) {
736 1
                if (empty($fallback)) {
737
                    throw new RuntimeException($e->getMessage());
738
                }
739 1
                $path = $fallback;
740
            }
741
        }
742
743
        // checks in assets/
744 1
        $file = Util::joinFile($this->config->getAssetsPath(), $path);
745 1
        if (Util\File::getFS()->exists($file)) {
746 1
            return [
747 1
                'file' => $file,
748 1
                'path' => $path,
749 1
            ];
750
        }
751
752
        // checks in each themes/<theme>/assets/
753 1
        foreach ($this->config->getTheme() ?? [] as $theme) {
754 1
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'assets'), $path);
755 1
            if (Util\File::getFS()->exists($file)) {
756 1
                return [
757 1
                    'file' => $file,
758 1
                    'path' => $path,
759 1
                ];
760
            }
761
        }
762
763
        // checks in static/
764 1
        $file = Util::joinFile($this->config->getStaticTargetPath(), $path);
765 1
        if (Util\File::getFS()->exists($file)) {
766 1
            return [
767 1
                'file' => $file,
768 1
                'path' => $path,
769 1
            ];
770
        }
771
772
        // checks in each themes/<theme>/static/
773 1
        foreach ($this->config->getTheme() ?? [] as $theme) {
774 1
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path);
775 1
            if (Util\File::getFS()->exists($file)) {
776 1
                return [
777 1
                    'file' => $file,
778 1
                    'path' => $path,
779 1
                ];
780
            }
781
        }
782
783 1
        throw new RuntimeException(\sprintf('Can\'t locate file "%s".', $path));
784
    }
785
786
    /**
787
     * Try to get remote file content.
788
     * Returns file content or throw an exception.
789
     *
790
     * @throws RuntimeException
791
     */
792 1
    private function getRemoteFileContent(string $path, ?string $userAgent = null): string
793
    {
794 1
        if (!Util\File::isRemoteExists($path)) {
795 1
            throw new RuntimeException(\sprintf('Can\'t get remote file "%s".', $path));
796
        }
797 1
        if (false === $content = Util\File::fileGetContents($path, $userAgent)) {
798
            throw new RuntimeException(\sprintf('Can\'t get content of remote file "%s".', $path));
799
        }
800 1
        if (\strlen($content) <= 1) {
801
            throw new RuntimeException(\sprintf('Remote file "%s" is empty.', $path));
802
        }
803
804 1
        return $content;
805
    }
806
807
    /**
808
     * Optimizing $filepath image.
809
     * Returns the new file size.
810
     */
811 1
    private function optimize(string $filepath, string $path): int
812
    {
813 1
        $quality = (int) $this->config->get('assets.images.quality');
814 1
        $message = \sprintf('Asset processed: "%s"', $path);
815 1
        $sizeBefore = filesize($filepath);
816 1
        Optimizer::create($quality)->optimize($filepath);
817 1
        $sizeAfter = filesize($filepath);
818 1
        if ($sizeAfter < $sizeBefore) {
819
            $message = \sprintf(
820
                'Asset optimized: "%s" (%s Ko -> %s Ko)',
821
                $path,
822
                ceil($sizeBefore / 1000),
823
                ceil($sizeAfter / 1000)
824
            );
825
        }
826 1
        $this->builder->getLogger()->debug($message);
827
828 1
        return $sizeAfter;
829
    }
830
831
    /**
832
     * Returns the width of an image/SVG.
833
     *
834
     * @throws RuntimeException
835
     */
836 1
    private function getWidth(): int
837
    {
838 1
        if ($this->data['type'] != 'image') {
839
            return 0;
840
        }
841 1
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
842 1
            return (int) $svg->width;
843
        }
844 1
        if (false === $size = $this->getImageSize()) {
845
            throw new RuntimeException(\sprintf('Not able to get width of "%s".', $this->data['path']));
846
        }
847
848 1
        return $size[0];
849
    }
850
851
    /**
852
     * Returns the height of an image/SVG.
853
     *
854
     * @throws RuntimeException
855
     */
856 1
    private function getHeight(): int
857
    {
858 1
        if ($this->data['type'] != 'image') {
859
            return 0;
860
        }
861 1
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
862 1
            return (int) $svg->height;
863
        }
864 1
        if (false === $size = $this->getImageSize()) {
865
            throw new RuntimeException(\sprintf('Not able to get height of "%s".', $this->data['path']));
866
        }
867
868 1
        return $size[1];
869
    }
870
871
    /**
872
     * Returns image size informations.
873
     *
874
     * @see https://www.php.net/manual/function.getimagesize.php
875
     *
876
     * @return array|false
877
     */
878 1
    private function getImageSize()
879
    {
880 1
        if (!$this->data['type'] == 'image') {
881
            return false;
882
        }
883
884
        try {
885 1
            if (false === $size = getimagesizefromstring($this->data['content'])) {
886 1
                return false;
887
            }
888
        } catch (\Exception $e) {
889
            throw new RuntimeException(\sprintf('Handling asset "%s" failed: "%s"', $this->data['path'], $e->getMessage()));
890
        }
891
892 1
        return $size;
893
    }
894
895
    /**
896
     * Builds CDN image URL.
897
     */
898
    private function buildImageCdnUrl(): string
899
    {
900
        return str_replace(
901
            [
902
                '%account%',
903
                '%image_url%',
904
                '%width%',
905
                '%quality%',
906
                '%format%',
907
            ],
908
            [
909
                $this->config->get('assets.images.cdn.account') ?? '',
910
                ltrim($this->data['url'] ?? (string) new Url($this->builder, $this->data['path'], ['canonical' => $this->config->get('assets.images.cdn.canonical') ?? true]), '/'),
911
                $this->data['width'],
912
                (int) $this->config->get('assets.images.quality'),
913
                $this->data['ext'],
914
            ],
915
            (string) $this->config->get('assets.images.cdn.url')
916
        );
917
    }
918
}
919