Passed
Pull Request — master (#2207)
by Arnaud
10:11 queued 05:20
created

Asset::isImageInCdn()   B

Complexity

Conditions 8
Paths 3

Size

Total Lines 16
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 8.7021

Importance

Changes 0
Metric Value
cc 8
eloc 9
nc 3
nop 0
dl 0
loc 16
ccs 7
cts 9
cp 0.7778
crap 8.7021
rs 8.4444
c 0
b 0
f 0
1
<?php
2
3
/**
4
 * This file is part of Cecil.
5
 *
6
 * (c) Arnaud Ligny <[email protected]>
7
 *
8
 * For the full copyright and license information, please view the LICENSE
9
 * file that was distributed with this source code.
10
 */
11
12
declare(strict_types=1);
13
14
namespace Cecil;
15
16
use Cecil\Asset\Image;
17
use Cecil\Builder;
18
use Cecil\Cache;
19
use Cecil\Collection\Page\Page;
20
use Cecil\Config;
21
use Cecil\Exception\ConfigException;
22
use Cecil\Exception\RuntimeException;
23
use Cecil\Url;
24
use Cecil\Util;
25
use Cecil\Util\ImageOptimizer as Optimizer;
26
use MatthiasMullie\Minify;
27
use ScssPhp\ScssPhp\Compiler;
28
use ScssPhp\ScssPhp\OutputStyle;
29
use wapmorgan\Mp3Info\Mp3Info;
30
31
/**
32
 * Asset class.
33
 *
34
 * Represents an asset (file) in the Cecil project.
35
 * Handles file locating, content reading, compiling, minifying, fingerprinting,
36
 * resizing images, and more.
37
 */
38
class Asset implements \ArrayAccess
39
{
40
    public const IMAGE_THUMB = 'thumbnails';
41
42
    /** @var Builder */
43
    protected $builder;
44
45
    /** @var Config */
46
    protected $config;
47
48
    /** @var array */
49
    protected $data = [];
50
51
    /** @var array Cache tags */
52
    protected $cacheTags = [];
53
54
    /**
55
     * Creates an Asset from a file path, an array of files path or an URL.
56
     * Options:
57
     * [
58
     *     'filename' => <string>,
59
     *     'leading_slash' => <bool>
60
     *     'ignore_missing' => <bool>,
61
     *     'fingerprint' => <bool>,
62
     *     'minify' => <bool>,
63
     *     'optimize' => <bool>,
64
     *     'fallback' => <string>,
65
     *     'useragent' => <string>,
66
     * ]
67
     *
68
     * @param Builder      $builder
69
     * @param string|array $paths
70
     * @param array|null   $options
71
     *
72
     * @throws RuntimeException
73
     */
74 1
    public function __construct(Builder $builder, string|array $paths, array|null $options = null)
75
    {
76 1
        $this->builder = $builder;
77 1
        $this->config = $builder->getConfig();
78 1
        $paths = \is_array($paths) ? $paths : [$paths];
79
        // checks path(s)
80 1
        array_walk($paths, function ($path) {
81
            // must be a string
82 1
            if (!\is_string($path)) {
83
                throw new RuntimeException(\sprintf('The path of an asset must be a string ("%s" given).', \gettype($path)));
84
            }
85
            // can't be empty
86 1
            if (empty($path)) {
87
                throw new RuntimeException('The path of an asset can\'t be empty.');
88
            }
89
            // can't be relative
90 1
            if (substr($path, 0, 2) == '..') {
91
                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));
92
            }
93 1
        });
94 1
        $this->data = [
95 1
            'file'     => '',    // absolute file path
96 1
            'files'    => [],    // array of absolute files path
97 1
            'missing'  => false, // if file not found but missing allowed: 'missing' is true
98 1
            '_path'    => '',    // original path
99 1
            'path'     => '',    // public path
100 1
            'url'      => null,  // URL if it's a remote file
101 1
            'ext'      => '',    // file extension
102 1
            'type'     => '',    // file type (e.g.: image, audio, video, etc.)
103 1
            'subtype'  => '',    // file media type (e.g.: image/png, audio/mp3, etc.)
104 1
            'size'     => 0,     // file size (in bytes)
105 1
            'width'    => 0,     // image width (in pixels)
106 1
            'height'   => 0,     // image height (in pixels)
107 1
            'exif'     => [],    // image exif data
108 1
            'content'  => '',    // file content
109 1
            'hash'     => '',    // file content hash (md5)
110 1
        ];
111
112
        // handles options
113 1
        $options = array_merge(
114 1
            [
115 1
                'filename'       => '',
116 1
                'leading_slash'  => true,
117 1
                'ignore_missing' => false,
118 1
                'fingerprint'    => $this->config->isEnabled('assets.fingerprint'),
119 1
                'minify'         => $this->config->isEnabled('assets.minify'),
120 1
                'optimize'       => $this->config->isEnabled('assets.images.optimize'),
121 1
                'fallback'       => '',
122 1
                'useragent'      => (string) $this->config->get('assets.remote.useragent.default'),
123 1
            ],
124 1
            \is_array($options) ? $options : []
125 1
        );
126
127
        // cache
128 1
        $cache = new Cache($this->builder, 'assets');
129 1
        $locateCacheKey = \sprintf('%s_locate__%s__%s', $options['filename'] ?: implode('_', $paths), $this->builder->getBuildId(), $this->builder->getVersion());
130
131
        // locate file(s) and get content
132 1
        if (!$cache->has($locateCacheKey)) {
133 1
            $pathsCount = \count($paths);
134 1
            for ($i = 0; $i < $pathsCount; $i++) {
135
                try {
136 1
                    $this->data['missing'] = false;
137 1
                    $locate = $this->locateFile($paths[$i], $options['fallback'], $options['useragent']);
138 1
                    $file = $locate['file'];
139 1
                    $path = $locate['path'];
140 1
                    $type = Util\File::getMediaType($file)[0];
141 1
                    if ($i > 0) { // bundle
142 1
                        if ($type != $this->data['type']) {
143
                            throw new RuntimeException(\sprintf('Asset bundle type error (%s != %s).', $type, $this->data['type']));
144
                        }
145
                    }
146 1
                    $this->data['file'] = $file;
147 1
                    $this->data['files'][] = $file;
148 1
                    $this->data['path'] = $path;
149 1
                    $this->data['url'] = Util\File::isRemote($paths[$i]) ? $paths[$i] : null;
150 1
                    $this->data['ext'] = Util\File::getExtension($file);
151 1
                    $this->data['type'] = $type;
152 1
                    $this->data['subtype'] = Util\File::getMediaType($file)[1];
153 1
                    $this->data['size'] += filesize($file);
154 1
                    $this->data['content'] .= Util\File::fileGetContents($file);
155 1
                    $this->data['hash'] = hash('md5', $this->data['content']);
156
                    // bundle default filename
157 1
                    $filename = $options['filename'];
158 1
                    if ($pathsCount > 1 && empty($filename)) {
159 1
                        switch ($this->data['ext']) {
160 1
                            case 'scss':
161 1
                            case 'css':
162 1
                                $filename = 'styles.css';
163 1
                                break;
164 1
                            case 'js':
165 1
                                $filename = 'scripts.js';
166 1
                                break;
167
                            default:
168
                                throw new RuntimeException(\sprintf('Asset bundle supports %s files only.', '.scss, .css and .js'));
169
                        }
170
                    }
171
                    // apply bundle filename to path
172 1
                    if (!empty($filename)) {
173 1
                        $this->data['path'] = $filename;
174
                    }
175
                    // add leading slash
176 1
                    if ($options['leading_slash']) {
177 1
                        $this->data['path'] = '/' . ltrim($this->data['path'], '/');
178
                    }
179 1
                    $this->data['_path'] = $this->data['path'];
180 1
                } catch (RuntimeException $e) {
181 1
                    if ($options['ignore_missing']) {
182 1
                        $this->data['missing'] = true;
183 1
                        continue;
184
                    }
185
                    throw new RuntimeException(
186
                        \sprintf('Can\'t handle asset "%s".', $paths[$i]),
187
                        previous: $e
188
                    );
189
                }
190
            }
191 1
            $cache->set($locateCacheKey, $this->data);
192
        }
193 1
        $this->data = $cache->get($locateCacheKey);
194
195
        // missing
196 1
        if ($this->data['missing']) {
197 1
            return;
198
        }
199
200
        // cache
201 1
        $cache = new Cache($this->builder, 'assets');
202
        // create cache tags from options
203 1
        $this->cacheTags = $options;
204
        // remove unnecessary cache tags
205 1
        unset($this->cacheTags['optimize'], $this->cacheTags['ignore_missing'], $this->cacheTags['fallback'], $this->cacheTags['useragent']);
206 1
        if (!\in_array($this->data['ext'], ['css', 'js', 'scss'])) {
207 1
            unset($this->cacheTags['minify']);
208
        }
209
        // optimize image?
210 1
        $optimize = false;
211 1
        if ($options['optimize'] && $this->data['type'] == 'image' && !$this->isImageInCdn()) {
212 1
            $optimize = true;
213 1
            $quality = (int) $this->config->get('assets.images.quality');
214 1
            $this->cacheTags['quality'] = $quality;
215
        }
216 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
217 1
        if (!$cache->has($cacheKey)) {
218
            // fingerprinting
219 1
            if ($options['fingerprint']) {
220
                $this->doFingerprint();
221
            }
222
            // compiling Sass files
223 1
            $this->doCompile();
224
            // minifying (CSS and JavaScript files)
225 1
            if ($options['minify']) {
226
                $this->doMinify();
227
            }
228
            // get image width, height and exif
229 1
            if ($this->data['type'] == 'image') {
230 1
                $this->data['width'] = $this->getWidth();
231 1
                $this->data['height'] = $this->getHeight();
232 1
                if ($this->data['subtype'] == 'image/jpeg') {
233 1
                    $this->data['exif'] = Util\File::readExif($this->data['file']);
234
                }
235
            }
236 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
237 1
            $this->builder->getLogger()->debug(\sprintf('Asset cached: "%s"', $this->data['path']));
238
            // optimizing images files (in cache directory)
239 1
            if ($optimize) {
240 1
                $this->optimize($cache->getContentFilePathname($this->data['path']), $this->data['path'], $quality);
241
            }
242
        }
243 1
        $this->data = $cache->get($cacheKey);
244
    }
245
246
    /**
247
     * Returns path.
248
     */
249 1
    public function __toString(): string
250
    {
251 1
        $this->save();
252
253 1
        if ($this->isImageInCdn()) {
254
            return $this->buildImageCdnUrl();
255
        }
256
257 1
        if ($this->builder->getConfig()->isEnabled('canonicalurl')) {
258
            return (string) new Url($this->builder, $this->data['path'], ['canonical' => true]);
259
        }
260
261 1
        return $this->data['path'];
262
    }
263
264
    /**
265
     * Compiles a SCSS + cache.
266
     *
267
     * @throws RuntimeException
268
     */
269 1
    public function compile(): self
270
    {
271 1
        $this->cacheTags['compile'] = true;
272 1
        $cache = new Cache($this->builder, 'assets');
273 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
274 1
        if (!$cache->has($cacheKey)) {
275 1
            $this->doCompile();
276 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
277
        }
278 1
        $this->data = $cache->get($cacheKey);
279
280 1
        return $this;
281
    }
282
283
    /**
284
     * Minifying a CSS or a JS.
285
     */
286 1
    public function minify(): self
287
    {
288 1
        $this->cacheTags['minify'] = true;
289 1
        $cache = new Cache($this->builder, 'assets');
290 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
291 1
        if (!$cache->has($cacheKey)) {
292 1
            $this->doMinify();
293 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
294
        }
295 1
        $this->data = $cache->get($cacheKey);
296
297 1
        return $this;
298
    }
299
300
    /**
301
     * Add hash to the file name + cache.
302
     */
303 1
    public function fingerprint(): self
304
    {
305 1
        $this->cacheTags['fingerprint'] = true;
306 1
        $cache = new Cache($this->builder, 'assets');
307 1
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
308 1
        if (!$cache->has($cacheKey)) {
309 1
            $this->doFingerprint();
310 1
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
311
        }
312 1
        $this->data = $cache->get($cacheKey);
313
314 1
        return $this;
315
    }
316
317
    /**
318
     * Scales down an image to a new $width.
319
     *
320
     * @throws RuntimeException
321
     */
322 1
    public function resize(int $width): self
323
    {
324 1
        $this->checkImage();
325
326
        // if the image is already smaller than the requested width, return it
327 1
        if ($width >= $this->data['width']) {
328 1
            return $this;
329
        }
330
331 1
        $assetResized = clone $this;
332 1
        $assetResized->data['width'] = $width;
333
334 1
        if ($this->isImageInCdn()) {
335
            $assetResized->data['height'] = round($this->data['height'] / ($this->data['width'] / $width));
336
337
            return $assetResized; // returns asset with the new dimensions only: CDN do the rest of the job
338
        }
339
340 1
        $quality = (int) $this->config->get('assets.images.quality');
341
342 1
        $cache = new Cache($this->builder, 'assets');
343 1
        $assetResized->cacheTags['quality'] = $quality;
344 1
        $assetResized->cacheTags['width'] = $width;
345 1
        $cacheKey = $cache->createKeyFromAsset($assetResized, $assetResized->cacheTags);
346 1
        if (!$cache->has($cacheKey)) {
347 1
            $assetResized->data['content'] = Image::resize($assetResized, $width, $quality);
348 1
            $assetResized->data['path'] = '/' . Util::joinPath(
349 1
                (string) $this->config->get('assets.target'),
350 1
                self::IMAGE_THUMB,
351 1
                (string) $width,
352 1
                $assetResized->data['path']
353 1
            );
354 1
            $assetResized->data['path'] = $this->deduplicateThumbPath($assetResized->data['path']);
355 1
            $assetResized->data['height'] = $assetResized->getHeight();
356 1
            $assetResized->data['size'] = \strlen($assetResized->data['content']);
357
358 1
            $cache->set($cacheKey, $assetResized->data, $this->config->get('cache.assets.ttl'));
359 1
            $this->builder->getLogger()->debug(\sprintf('Asset resized: "%s" (%sx)', $assetResized->data['path'], $width));
360
        }
361 1
        $assetResized->data = $cache->get($cacheKey);
362
363 1
        return $assetResized;
364
    }
365
366
    /**
367
     * Crops the image to the specified width and height, keeping the specified position.
368
     *
369
     * @throws RuntimeException
370
     */
371 1
    public function cover(int $width, int $height): self
372
    {
373 1
        $this->checkImage();
374
375 1
        $assetResized = clone $this;
376 1
        $assetResized->data['width'] = $width;
377 1
        $assetResized->data['height'] = $height;
378
379 1
        $quality = (int) $this->config->get('assets.images.quality');
380
381 1
        $cache = new Cache($this->builder, 'assets');
382 1
        $assetResized->cacheTags['quality'] = $quality;
383 1
        $assetResized->cacheTags['width'] = $width;
384 1
        $assetResized->cacheTags['height'] = $height;
385 1
        $cacheKey = $cache->createKeyFromAsset($assetResized, $assetResized->cacheTags);
386 1
        if (!$cache->has($cacheKey)) {
387 1
            $assetResized->data['content'] = Image::cover($assetResized, $width, $height, $quality);
388 1
            $assetResized->data['path'] = '/' . Util::joinPath(
389 1
                (string) $this->config->get('assets.target'),
390 1
                self::IMAGE_THUMB,
391 1
                (string) $width . 'x' . (string) $height,
392 1
                $assetResized->data['path']
393 1
            );
394 1
            $assetResized->data['path'] = $this->deduplicateThumbPath($assetResized->data['path']);
395 1
            $assetResized->data['size'] = \strlen($assetResized->data['content']);
396
397 1
            $cache->set($cacheKey, $assetResized->data, $this->config->get('cache.assets.ttl'));
398 1
            $this->builder->getLogger()->debug(\sprintf('Asset resized: "%s" (%sx%s)', $assetResized->data['path'], $width, $height));
399
        }
400 1
        $assetResized->data = $cache->get($cacheKey);
401
402 1
        return $assetResized;
403
    }
404
405
    /**
406
     * Creates a maskable image (with a padding = 20%).
407
     *
408
     * @throws RuntimeException
409
     */
410
    public function maskable(?int $padding = null): self
411
    {
412
        $this->checkImage();
413
414
        if ($padding === null) {
415
            $padding = 20; // default padding
416
        }
417
418
        $assetMaskable = clone $this;
419
420
        $quality = (int) $this->config->get('assets.images.quality');
421
422
        $cache = new Cache($this->builder, 'assets');
423
        $assetMaskable->cacheTags['maskable'] = true;
424
        $cacheKey = $cache->createKeyFromAsset($assetMaskable, $assetMaskable->cacheTags);
425
        if (!$cache->has($cacheKey)) {
426
            $assetMaskable->data['content'] = Image::maskable($assetMaskable, $quality, $padding);
427
            $assetMaskable->data['path'] = '/' . Util::joinPath(
428
                (string) $this->config->get('assets.target'),
429
                'maskable',
430
                $assetMaskable->data['path']
431
            );
432
            $assetMaskable->data['size'] = \strlen($assetMaskable->data['content']);
433
434
            $cache->set($cacheKey, $assetMaskable->data, $this->config->get('cache.assets.ttl'));
435
            $this->builder->getLogger()->debug(\sprintf('Asset maskabled: "%s"', $assetMaskable->data['path']));
436
        }
437
        $assetMaskable->data = $cache->get($cacheKey);
438
439
        return $assetMaskable;
440
    }
441
442
    /**
443
     * Converts an image asset to $format format.
444
     *
445
     * @throws RuntimeException
446
     */
447 1
    public function convert(string $format, ?int $quality = null): self
448
    {
449 1
        if ($this->data['type'] != 'image') {
450
            throw new RuntimeException(\sprintf('Not able to convert "%s" (%s) to %s: not an image.', $this->data['path'], $this->data['type'], $format));
451
        }
452
453 1
        if ($quality === null) {
454 1
            $quality = (int) $this->config->get('assets.images.quality');
455
        }
456
457 1
        $asset = clone $this;
458 1
        $asset['ext'] = $format;
459 1
        $asset->data['subtype'] = "image/$format";
460
461 1
        if ($this->isImageInCdn()) {
462
            return $asset; // returns the asset with the new extension only: CDN do the rest of the job
463
        }
464
465 1
        $cache = new Cache($this->builder, 'assets');
466 1
        $this->cacheTags['quality'] = $quality;
467 1
        if ($this->data['width']) {
468 1
            $this->cacheTags['width'] = $this->data['width'];
469
        }
470 1
        $cacheKey = $cache->createKeyFromAsset($asset, $this->cacheTags);
471 1
        if (!$cache->has($cacheKey)) {
472 1
            $asset->data['content'] = Image::convert($asset, $format, $quality);
473
            $asset->data['path'] = preg_replace('/\.' . $this->data['ext'] . '$/m', ".$format", $this->data['path']);
474
            $asset->data['size'] = \strlen($asset->data['content']);
475
            $cache->set($cacheKey, $asset->data, $this->config->get('cache.assets.ttl'));
476
            $this->builder->getLogger()->debug(\sprintf('Asset converted: "%s" (%s -> %s)', $asset->data['path'], $this->data['ext'], $format));
477
        }
478
        $asset->data = $cache->get($cacheKey);
479
480
        return $asset;
481
    }
482
483
    /**
484
     * Converts an image asset to WebP format.
485
     *
486
     * @throws RuntimeException
487
     */
488
    public function webp(?int $quality = null): self
489
    {
490
        return $this->convert('webp', $quality);
491
    }
492
493
    /**
494
     * Converts an image asset to AVIF format.
495
     *
496
     * @throws RuntimeException
497
     */
498
    public function avif(?int $quality = null): self
499
    {
500
        return $this->convert('avif', $quality);
501
    }
502
503
    /**
504
     * Implements \ArrayAccess.
505
     */
506 1
    #[\ReturnTypeWillChange]
507
    public function offsetSet($offset, $value): void
508
    {
509 1
        if (!\is_null($offset)) {
510 1
            $this->data[$offset] = $value;
511
        }
512
    }
513
514
    /**
515
     * Implements \ArrayAccess.
516
     */
517 1
    #[\ReturnTypeWillChange]
518
    public function offsetExists($offset): bool
519
    {
520 1
        return isset($this->data[$offset]);
521
    }
522
523
    /**
524
     * Implements \ArrayAccess.
525
     */
526
    #[\ReturnTypeWillChange]
527
    public function offsetUnset($offset): void
528
    {
529
        unset($this->data[$offset]);
530
    }
531
532
    /**
533
     * Implements \ArrayAccess.
534
     */
535 1
    #[\ReturnTypeWillChange]
536
    public function offsetGet($offset)
537
    {
538 1
        return isset($this->data[$offset]) ? $this->data[$offset] : null;
539
    }
540
541
    /**
542
     * Hashing content of an asset with the specified algo, sha384 by default.
543
     * Used for SRI (Subresource Integrity).
544
     *
545
     * @see https://developer.mozilla.org/fr/docs/Web/Security/Subresource_Integrity
546
     */
547 1
    public function getIntegrity(string $algo = 'sha384'): string
548
    {
549 1
        return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true)));
550
    }
551
552
    /**
553
     * Returns MP3 file infos.
554
     *
555
     * @see https://github.com/wapmorgan/Mp3Info
556
     */
557 1
    public function getAudio(): Mp3Info
558
    {
559 1
        if ($this->data['type'] !== 'audio') {
560
            throw new RuntimeException(\sprintf('Not able to get audio infos of "%s".', $this->data['path']));
561
        }
562
563 1
        return new Mp3Info($this->data['file']);
564
    }
565
566
    /**
567
     * Returns MP4 file infos.
568
     *
569
     * @see https://github.com/clwu88/php-read-mp4info
570
     */
571 1
    public function getVideo(): array
572
    {
573 1
        if ($this->data['type'] !== 'video') {
574
            throw new RuntimeException(\sprintf('Not able to get video infos of "%s".', $this->data['path']));
575
        }
576
577 1
        return (array) \Clwu\Mp4::getInfo($this->data['file']);
578
    }
579
580
    /**
581
     * Returns the Data URL (encoded in Base64).
582
     *
583
     * @throws RuntimeException
584
     */
585 1
    public function dataurl(): string
586
    {
587 1
        if ($this->data['type'] == 'image' && !Image::isSVG($this)) {
588 1
            return Image::getDataUrl($this, (int) $this->config->get('assets.images.quality'));
589
        }
590
591 1
        return \sprintf('data:%s;base64,%s', $this->data['subtype'], base64_encode($this->data['content']));
592
    }
593
594
    /**
595
     * Adds asset path to the list of assets to save.
596
     *
597
     * @throws RuntimeException
598
     */
599 1
    public function save(): void
600
    {
601 1
        if ($this->data['missing']) {
602 1
            return;
603
        }
604
605 1
        $cache = new Cache($this->builder, 'assets');
606 1
        if (empty($this->data['path']) || !Util\File::getFS()->exists($cache->getContentFilePathname($this->data['path']))) {
607
            throw new RuntimeException(
608
                \sprintf('Can\'t add "%s" to assets list. Please clear cache and retry.', $this->data['path'])
609
            );
610
        }
611
612 1
        $this->builder->addAsset($this->data['path']);
613
    }
614
615
    /**
616
     * Is the asset an image and is it in CDN?
617
     */
618 1
    public function isImageInCdn(): bool
619
    {
620
        if (
621 1
            $this->data['type'] == 'image'
622 1
            && $this->config->isEnabled('assets.images.cdn')
623 1
            && $this->data['ext'] != 'ico'
624 1
            && (Image::isSVG($this) && $this->config->isEnabled('assets.images.cdn.svg'))
625
        ) {
626
            return true;
627
        }
628
        // handle remote image?
629 1
        if ($this->data['url'] !== null && $this->config->isEnabled('assets.images.cdn.remote')) {
630
            return true;
631
        }
632
633 1
        return false;
634
    }
635
636
    /**
637
     * Builds a relative path from a URL.
638
     * Used for remote files.
639
     */
640 1
    public static function buildPathFromUrl(string $url): string
641
    {
642 1
        $host = parse_url($url, PHP_URL_HOST);
643 1
        $path = parse_url($url, PHP_URL_PATH);
644 1
        $query = parse_url($url, PHP_URL_QUERY);
645 1
        $ext = pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION);
646
647
        // Google Fonts hack
648 1
        if (Util\Str::endsWith($path, '/css') || Util\Str::endsWith($path, '/css2')) {
649 1
            $ext = 'css';
650
        }
651
652 1
        return Page::slugify(\sprintf('%s%s%s%s', $host, self::sanitize($path), $query ? "-$query" : '', $query && $ext ? ".$ext" : ''));
653
    }
654
655
    /**
656
     * Replaces some characters by '_'.
657
     */
658 1
    public static function sanitize(string $string): string
659
    {
660 1
        return str_replace(['<', '>', ':', '"', '\\', '|', '?', '*'], '_', $string);
661
    }
662
663
    /**
664
     * Compiles a SCSS.
665
     *
666
     * @throws RuntimeException
667
     */
668 1
    protected function doCompile(): self
669
    {
670
        // abort if not a SCSS file
671 1
        if ($this->data['ext'] != 'scss') {
672 1
            return $this;
673
        }
674 1
        $scssPhp = new Compiler();
675
        // import paths
676 1
        $importDir = [];
677 1
        $importDir[] = Util::joinPath($this->config->getStaticPath());
678 1
        $importDir[] = Util::joinPath($this->config->getAssetsPath());
679 1
        $scssDir = (array) $this->config->get('assets.compile.import');
680 1
        $themes = $this->config->getTheme() ?? [];
681 1
        foreach ($scssDir as $dir) {
682 1
            $importDir[] = Util::joinPath($this->config->getStaticPath(), $dir);
683 1
            $importDir[] = Util::joinPath($this->config->getAssetsPath(), $dir);
684 1
            $importDir[] = Util::joinPath(\dirname($this->data['file']), $dir);
685 1
            foreach ($themes as $theme) {
686 1
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir"));
687 1
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "assets/$dir"));
688
            }
689
        }
690 1
        $scssPhp->setQuietDeps(true);
691 1
        $scssPhp->setImportPaths(array_unique($importDir));
692
        // adds source map
693 1
        if ($this->builder->isDebug() && $this->config->isEnabled('assets.compile.sourcemap')) {
694
            $importDir = [];
695
            $assetDir = (string) $this->config->get('assets.dir');
696
            $assetDirPos = strrpos($this->data['file'], DIRECTORY_SEPARATOR . $assetDir . DIRECTORY_SEPARATOR);
697
            $fileRelPath = substr($this->data['file'], $assetDirPos + 8);
698
            $filePath = Util::joinFile($this->config->getOutputPath(), $fileRelPath);
699
            $importDir[] = \dirname($filePath);
700
            foreach ($scssDir as $dir) {
701
                $importDir[] = Util::joinFile($this->config->getOutputPath(), $dir);
702
            }
703
            $scssPhp->setImportPaths(array_unique($importDir));
704
            $scssPhp->setSourceMap(Compiler::SOURCE_MAP_INLINE);
705
            $scssPhp->setSourceMapOptions([
706
                'sourceMapBasepath' => Util::joinPath($this->config->getOutputPath()),
707
                'sourceRoot'        => '/',
708
            ]);
709
        }
710
        // defines output style
711 1
        $outputStyles = ['expanded', 'compressed'];
712 1
        $outputStyle = strtolower((string) $this->config->get('assets.compile.style'));
713 1
        if (!\in_array($outputStyle, $outputStyles)) {
714
            throw new ConfigException(\sprintf('"%s" value must be "%s".', 'assets.compile.style', implode('" or "', $outputStyles)));
715
        }
716 1
        $scssPhp->setOutputStyle($outputStyle == 'compressed' ? OutputStyle::COMPRESSED : OutputStyle::EXPANDED);
717
        // set variables
718 1
        $variables = $this->config->get('assets.compile.variables');
719 1
        if (!empty($variables)) {
720 1
            $variables = array_map('ScssPhp\ScssPhp\ValueConverter::parseValue', $variables);
721 1
            $scssPhp->replaceVariables($variables);
722
        }
723
        // debug
724 1
        if ($this->builder->isDebug()) {
725 1
            $scssPhp->setQuietDeps(false);
726 1
            $this->builder->getLogger()->debug(\sprintf("SCSS compiler imported paths:\n%s", Util\Str::arrayToList(array_unique($importDir))));
727
        }
728
        // update data
729 1
        $this->data['path'] = preg_replace('/sass|scss/m', 'css', $this->data['path']);
730 1
        $this->data['ext'] = 'css';
731 1
        $this->data['type'] = 'text';
732 1
        $this->data['subtype'] = 'text/css';
733 1
        $this->data['content'] = $scssPhp->compileString($this->data['content'])->getCss();
734 1
        $this->data['size'] = \strlen($this->data['content']);
735
736 1
        $this->builder->getLogger()->debug(\sprintf('Asset compiled: "%s"', $this->data['path']));
737
738 1
        return $this;
739
    }
740
741
    /**
742
     * Minifying a CSS or a JS + cache.
743
     *
744
     * @throws RuntimeException
745
     */
746 1
    protected function doMinify(): self
747
    {
748
        // compile SCSS files
749 1
        if ($this->data['ext'] == 'scss') {
750
            $this->doCompile();
751
        }
752
        // abort if already minified
753 1
        if (substr($this->data['path'], -8) == '.min.css' || substr($this->data['path'], -7) == '.min.js') {
754
            return $this;
755
        }
756
        // abord if not a CSS or JS file
757 1
        if (!\in_array($this->data['ext'], ['css', 'js'])) {
758
            return $this;
759
        }
760
        // in debug mode: disable minify to preserve inline source map
761 1
        if ($this->builder->isDebug() && $this->config->isEnabled('assets.compile.sourcemap')) {
762
            return $this;
763
        }
764 1
        switch ($this->data['ext']) {
765 1
            case 'css':
766 1
                $minifier = new Minify\CSS($this->data['content']);
767 1
                break;
768 1
            case 'js':
769 1
                $minifier = new Minify\JS($this->data['content']);
770 1
                break;
771
            default:
772
                throw new RuntimeException(\sprintf('Not able to minify "%s".', $this->data['path']));
773
        }
774 1
        $this->data['content'] = $minifier->minify();
775 1
        $this->data['size'] = \strlen($this->data['content']);
776
777 1
        $this->builder->getLogger()->debug(\sprintf('Asset minified: "%s"', $this->data['path']));
778
779 1
        return $this;
780
    }
781
782
    /**
783
     * Add hash to the file name.
784
     */
785 1
    protected function doFingerprint(): self
786
    {
787 1
        $hash = hash('md5', $this->data['content']);
788 1
        $this->data['path'] = preg_replace(
789 1
            '/\.' . $this->data['ext'] . '$/m',
790 1
            ".$hash." . $this->data['ext'],
791 1
            $this->data['path']
792 1
        );
793 1
        $this->builder->getLogger()->debug(\sprintf('Asset fingerprinted: "%s"', $this->data['path']));
794
795 1
        return $this;
796
    }
797
798
    /**
799
     * Returns local file path and updated path, or throw an exception.
800
     * If $fallback path is set, it will be used if the remote file is not found.
801
     *
802
     * Try to locate the file in:
803
     *   (1. remote file)
804
     *   1. assets
805
     *   2. themes/<theme>/assets
806
     *   3. static
807
     *   4. themes/<theme>/static
808
     *
809
     * @throws RuntimeException
810
     */
811 1
    private function locateFile(string $path, ?string $fallback = null, ?string $userAgent = null): array
812
    {
813
        // remote file
814 1
        if (Util\File::isRemote($path)) {
815
            try {
816 1
                $content = $this->getRemoteFileContent($path, $userAgent);
817 1
                $path = self::buildPathFromUrl($path);
818 1
                $cache = new Cache($this->builder, 'assets/remote');
819 1
                if (!$cache->has($path)) {
820 1
                    $cache->set($path, [
821 1
                        'content' => $content,
822 1
                        'path'    => $path,
823 1
                    ], $this->config->get('cache.assets.remote.ttl'));
824
                }
825 1
                return [
826 1
                    'file' => $cache->getContentFilePathname($path),
827 1
                    'path' => $path,
828 1
                ];
829 1
            } catch (RuntimeException $e) {
830 1
                if (empty($fallback)) {
831
                    throw new RuntimeException($e->getMessage());
832
                }
833 1
                $path = $fallback;
834
            }
835
        }
836
837
        // checks in assets/
838 1
        $file = Util::joinFile($this->config->getAssetsPath(), $path);
839 1
        if (Util\File::getFS()->exists($file)) {
840 1
            return [
841 1
                'file' => $file,
842 1
                'path' => $path,
843 1
            ];
844
        }
845
846
        // checks in each themes/<theme>/assets/
847 1
        foreach ($this->config->getTheme() ?? [] as $theme) {
848 1
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'assets'), $path);
849 1
            if (Util\File::getFS()->exists($file)) {
850 1
                return [
851 1
                    'file' => $file,
852 1
                    'path' => $path,
853 1
                ];
854
            }
855
        }
856
857
        // checks in static/
858 1
        $file = Util::joinFile($this->config->getStaticPath(), $path);
859 1
        if (Util\File::getFS()->exists($file)) {
860 1
            return [
861 1
                'file' => $file,
862 1
                'path' => $path,
863 1
            ];
864
        }
865
866
        // checks in each themes/<theme>/static/
867 1
        foreach ($this->config->getTheme() ?? [] as $theme) {
868 1
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path);
869 1
            if (Util\File::getFS()->exists($file)) {
870 1
                return [
871 1
                    'file' => $file,
872 1
                    'path' => $path,
873 1
                ];
874
            }
875
        }
876
877 1
        throw new RuntimeException(\sprintf('Can\'t locate file "%s".', $path));
878
    }
879
880
    /**
881
     * Try to get remote file content.
882
     * Returns file content or throw an exception.
883
     *
884
     * @throws RuntimeException
885
     */
886 1
    private function getRemoteFileContent(string $path, ?string $userAgent = null): string
887
    {
888 1
        if (!Util\File::isRemoteExists($path)) {
889 1
            throw new RuntimeException(\sprintf('Can\'t get remote file "%s".', $path));
890
        }
891 1
        if (false === $content = Util\File::fileGetContents($path, $userAgent)) {
892
            throw new RuntimeException(\sprintf('Can\'t get content of remote file "%s".', $path));
893
        }
894 1
        if (\strlen($content) <= 1) {
895
            throw new RuntimeException(\sprintf('Remote file "%s" is empty.', $path));
896
        }
897
898 1
        return $content;
899
    }
900
901
    /**
902
     * Optimizing $filepath image.
903
     * Returns the new file size.
904
     */
905 1
    private function optimize(string $filepath, string $path, int $quality): int
906
    {
907 1
        $message = \sprintf('Asset not optimized: "%s"', $path);
908 1
        $sizeBefore = filesize($filepath);
909 1
        Optimizer::create($quality)->optimize($filepath);
910 1
        $sizeAfter = filesize($filepath);
911 1
        if ($sizeAfter < $sizeBefore) {
912
            $message = \sprintf(
913
                'Asset optimized: "%s" (%s Ko -> %s Ko)',
914
                $path,
915
                ceil($sizeBefore / 1000),
916
                ceil($sizeAfter / 1000)
917
            );
918
        }
919 1
        $this->builder->getLogger()->debug($message);
920
921 1
        return $sizeAfter;
922
    }
923
924
    /**
925
     * Returns the width of an image/SVG.
926
     *
927
     * @throws RuntimeException
928
     */
929 1
    private function getWidth(): int
930
    {
931 1
        if ($this->data['type'] != 'image') {
932
            return 0;
933
        }
934 1
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
935 1
            return (int) $svg->width;
936
        }
937 1
        if (false === $size = $this->getImageSize()) {
938
            throw new RuntimeException(\sprintf('Not able to get width of "%s".', $this->data['path']));
939
        }
940
941 1
        return $size[0];
942
    }
943
944
    /**
945
     * Returns the height of an image/SVG.
946
     *
947
     * @throws RuntimeException
948
     */
949 1
    private function getHeight(): int
950
    {
951 1
        if ($this->data['type'] != 'image') {
952
            return 0;
953
        }
954 1
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
955 1
            return (int) $svg->height;
956
        }
957 1
        if (false === $size = $this->getImageSize()) {
958
            throw new RuntimeException(\sprintf('Not able to get height of "%s".', $this->data['path']));
959
        }
960
961 1
        return $size[1];
962
    }
963
964
    /**
965
     * Returns image size informations.
966
     *
967
     * @see https://www.php.net/manual/function.getimagesize.php
968
     *
969
     * @return array|false
970
     */
971 1
    private function getImageSize()
972
    {
973 1
        if (!$this->data['type'] == 'image') {
974
            return false;
975
        }
976
977
        try {
978 1
            if (false === $size = getimagesizefromstring($this->data['content'])) {
979 1
                return false;
980
            }
981
        } catch (\Exception $e) {
982
            throw new RuntimeException(\sprintf('Handling asset "%s" failed: "%s"', $this->data['path'], $e->getMessage()));
983
        }
984
985 1
        return $size;
986
    }
987
988
    /**
989
     * Builds CDN image URL.
990
     */
991
    private function buildImageCdnUrl(): string
992
    {
993
        return str_replace(
994
            [
995
                '%account%',
996
                '%image_url%',
997
                '%width%',
998
                '%quality%',
999
                '%format%',
1000
            ],
1001
            [
1002
                $this->config->get('assets.images.cdn.account') ?? '',
1003
                ltrim($this->data['url'] ?? (string) new Url($this->builder, $this->data['path'], ['canonical' => $this->config->get('assets.images.cdn.canonical') ?? true]), '/'),
1004
                $this->data['width'],
1005
                (int) $this->config->get('assets.images.quality'),
1006
                $this->data['ext'],
1007
            ],
1008
            (string) $this->config->get('assets.images.cdn.url')
1009
        );
1010
    }
1011
1012
    /**
1013
     * Checks if the asset is not missing and is typed as an image.
1014
     *
1015
     * @throws RuntimeException
1016
     */
1017 1
    private function checkImage(): void
1018
    {
1019 1
        if ($this->data['missing']) {
1020
            throw new RuntimeException(\sprintf('Not able to resize "%s": file not found.', $this->data['path']));
1021
        }
1022 1
        if ($this->data['type'] != 'image') {
1023
            throw new RuntimeException(\sprintf('Not able to resize "%s": not an image.', $this->data['path']));
1024
        }
1025
    }
1026
1027
    /**
1028
     * Remove redondant '/thumbnails/<width>/' in the path.
1029
     */
1030 1
    private function deduplicateThumbPath(string $path): string
1031
    {
1032
        // https://regex101.com/r/rDRWnL/1
1033 1
        $pattern = '/(' . self::IMAGE_THUMB . '\/\d+(x\d+){0,1})\/' . self::IMAGE_THUMB . '\/\d+\/(.*)/i';
1034
1035 1
        return preg_replace($pattern, '$1/$3', $path);
1036
    }
1037
}
1038