Asset::getHeight()   A
last analyzed

Complexity

Conditions 5
Paths 4

Size

Total Lines 13
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 5
eloc 7
nc 4
nop 0
dl 0
loc 13
rs 9.6111
c 0
b 0
f 0
1
<?php
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3
/**
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 * This file is part of Cecil.
5
 *
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 * (c) Arnaud Ligny <[email protected]>
7
 *
8
 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
10
 */
11
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declare(strict_types=1);
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14
namespace Cecil;
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use Cecil\Asset\Image;
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use Cecil\Builder;
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use Cecil\Cache;
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use Cecil\Collection\Page\Page;
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use Cecil\Config;
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use Cecil\Exception\ConfigException;
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use Cecil\Exception\RuntimeException;
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use Cecil\Url;
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use Cecil\Util;
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use Cecil\Util\ImageOptimizer as Optimizer;
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use MatthiasMullie\Minify;
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use ScssPhp\ScssPhp\Compiler;
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use ScssPhp\ScssPhp\OutputStyle;
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use wapmorgan\Mp3Info\Mp3Info;
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/**
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 * 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
{
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    public const IMAGE_THUMB = 'thumbnails';
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    /** @var Builder */
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    protected $builder;
44
45
    /** @var Config */
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    protected $config;
47
48
    /** @var array */
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    protected $data = [];
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51
    /** @var array Cache tags */
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    protected $cacheTags = [];
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54
    /**
55
     * Creates an Asset from a file path, an array of files path or an URL.
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     * Options:
57
     * [
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     *     'filename' => <string>,
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     *     'leading_slash' => <bool>
60
     *     'ignore_missing' => <bool>,
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     *     'fingerprint' => <bool>,
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     *     'minify' => <bool>,
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     *     'optimize' => <bool>,
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     *     'fallback' => <string>,
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     *     'useragent' => <string>,
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     * ]
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     *
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     * @param Builder      $builder
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     * @param string|array $paths
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     * @param array|null   $options
71
     *
72
     * @throws RuntimeException
73
     */
74
    public function __construct(Builder $builder, string|array $paths, array|null $options = null)
75
    {
76
        $this->builder = $builder;
77
        $this->config = $builder->getConfig();
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        $paths = \is_array($paths) ? $paths : [$paths];
79
        // checks path(s)
80
        array_walk($paths, function ($path) {
81
            // must be a string
82
            if (!\is_string($path)) {
83
                throw new RuntimeException(\sprintf('The path of an asset must be a string ("%s" given).', \gettype($path)));
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            }
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            // can't be empty
86
            if (empty($path)) {
87
                throw new RuntimeException('The path of an asset can\'t be empty.');
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            }
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            // can't be relative
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            if (substr($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
        });
94
        $this->data = [
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            'file'     => '',    // absolute file path
96
            'files'    => [],    // array of absolute files path
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            'missing'  => false, // if file not found but missing allowed: 'missing' is true
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            '_path'    => '',    // original path
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            'path'     => '',    // public path
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            'url'      => null,  // URL if it's a remote file
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            'ext'      => '',    // file extension
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            'type'     => '',    // file type (e.g.: image, audio, video, etc.)
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            'subtype'  => '',    // file media type (e.g.: image/png, audio/mp3, etc.)
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            'size'     => 0,     // file size (in bytes)
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            'width'    => 0,     // image width (in pixels)
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            'height'   => 0,     // image height (in pixels)
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            'exif'     => [],    // image exif data
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            'content'  => '',    // file content
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            'hash'     => '',    // file content hash (md5)
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        ];
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        // handles options
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        $options = array_merge(
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            [
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                'filename'       => '',
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                'leading_slash'  => true,
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                'ignore_missing' => false,
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                'fingerprint'    => $this->config->isEnabled('assets.fingerprint'),
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                'minify'         => $this->config->isEnabled('assets.minify'),
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                'optimize'       => $this->config->isEnabled('assets.images.optimize'),
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                'fallback'       => '',
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                'useragent'      => (string) $this->config->get('assets.remote.useragent.default'),
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            ],
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            \is_array($options) ? $options : []
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        );
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        // cache
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        $cache = new Cache($this->builder, 'assets');
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        $locateCacheKey = \sprintf('%s_locate__%s__%s', $options['filename'] ?: implode('_', $paths), $this->builder->getBuildId(), $this->builder->getVersion());
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        // locate file(s) and get content
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        if (!$cache->has($locateCacheKey)) {
133
            $pathsCount = \count($paths);
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            for ($i = 0; $i < $pathsCount; $i++) {
135
                try {
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                    $this->data['missing'] = false;
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                    $locate = $this->locateFile($paths[$i], $options['fallback'], $options['useragent']);
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                    $file = $locate['file'];
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                    $path = $locate['path'];
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                    $type = Util\File::getMediaType($file)[0];
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                    if ($i > 0) { // bundle
142
                        if ($type != $this->data['type']) {
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                            throw new RuntimeException(\sprintf('Asset bundle type error (%s != %s).', $type, $this->data['type']));
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                        }
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                    }
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                    $this->data['file'] = $file;
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                    $this->data['files'][] = $file;
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                    $this->data['path'] = $path;
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                    $this->data['url'] = Util\File::isRemote($paths[$i]) ? $paths[$i] : null;
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                    $this->data['ext'] = Util\File::getExtension($file);
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                    $this->data['type'] = $type;
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                    $this->data['subtype'] = Util\File::getMediaType($file)[1];
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                    $this->data['size'] += filesize($file);
154
                    $this->data['content'] .= Util\File::fileGetContents($file);
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                    $this->data['hash'] = hash('md5', $this->data['content']);
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                    // bundle default filename
157
                    $filename = $options['filename'];
158
                    if ($pathsCount > 1 && empty($filename)) {
159
                        switch ($this->data['ext']) {
160
                            case 'scss':
161
                            case 'css':
162
                                $filename = 'styles.css';
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                                break;
164
                            case 'js':
165
                                $filename = 'scripts.js';
166
                                break;
167
                            default:
168
                                throw new RuntimeException(\sprintf('Asset bundle supports %s files only.', '.scss, .css and .js'));
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                        }
170
                    }
171
                    // apply bundle filename to path
172
                    if (!empty($filename)) {
173
                        $this->data['path'] = $filename;
174
                    }
175
                    // add leading slash
176
                    if ($options['leading_slash']) {
177
                        $this->data['path'] = '/' . ltrim($this->data['path'], '/');
178
                    }
179
                    $this->data['_path'] = $this->data['path'];
180
                } catch (RuntimeException $e) {
181
                    if ($options['ignore_missing']) {
182
                        $this->data['missing'] = true;
183
                        continue;
184
                    }
185
                    throw new RuntimeException(
186
                        \sprintf('Can\'t handle asset "%s".', $paths[$i]),
187
                        previous: $e
188
                    );
189
                }
190
            }
191
            $cache->set($locateCacheKey, $this->data);
192
        }
193
        $this->data = $cache->get($locateCacheKey);
194
195
        // missing
196
        if ($this->data['missing']) {
197
            return;
198
        }
199
200
        // cache
201
        $cache = new Cache($this->builder, 'assets');
202
        // create cache tags from options
203
        $this->cacheTags = $options;
204
        // remove unnecessary cache tags
205
        unset($this->cacheTags['optimize'], $this->cacheTags['ignore_missing'], $this->cacheTags['fallback'], $this->cacheTags['useragent']);
206
        if (!\in_array($this->data['ext'], ['css', 'js', 'scss'])) {
207
            unset($this->cacheTags['minify']);
208
        }
209
        // optimize image?
210
        $optimize = false;
211
        if ($options['optimize'] && $this->data['type'] == 'image' && !$this->isImageInCdn()) {
212
            $optimize = true;
213
            $quality = (int) $this->config->get('assets.images.quality');
214
            $this->cacheTags['quality'] = $quality;
215
        }
216
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
217
        if (!$cache->has($cacheKey)) {
218
            // fingerprinting
219
            if ($options['fingerprint']) {
220
                $this->doFingerprint();
221
            }
222
            // compiling Sass files
223
            $this->doCompile();
224
            // minifying (CSS and JavaScript files)
225
            if ($options['minify']) {
226
                $this->doMinify();
227
            }
228
            // get image width, height and exif
229
            if ($this->data['type'] == 'image') {
230
                $this->data['width'] = $this->getWidth();
231
                $this->data['height'] = $this->getHeight();
232
                if ($this->data['subtype'] == 'image/jpeg') {
233
                    $this->data['exif'] = Util\File::readExif($this->data['file']);
234
                }
235
            }
236
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
237
            $this->builder->getLogger()->debug(\sprintf('Asset cached: "%s"', $this->data['path']));
238
            // optimizing images files (in cache directory)
239
            if ($optimize) {
240
                $this->optimize($cache->getContentFilePathname($this->data['path']), $this->data['path'], $quality);
241
            }
242
        }
243
        $this->data = $cache->get($cacheKey);
244
    }
245
246
    /**
247
     * Returns path.
248
     */
249
    public function __toString(): string
250
    {
251
        $this->save();
252
253
        if ($this->isImageInCdn()) {
254
            return $this->buildImageCdnUrl();
255
        }
256
257
        if ($this->builder->getConfig()->isEnabled('canonicalurl')) {
258
            return (string) new Url($this->builder, $this->data['path'], ['canonical' => true]);
259
        }
260
261
        return $this->data['path'];
262
    }
263
264
    /**
265
     * Compiles a SCSS + cache.
266
     *
267
     * @throws RuntimeException
268
     */
269
    public function compile(): self
270
    {
271
        $this->cacheTags['compile'] = true;
272
        $cache = new Cache($this->builder, 'assets');
273
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
274
        if (!$cache->has($cacheKey)) {
275
            $this->doCompile();
276
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
277
        }
278
        $this->data = $cache->get($cacheKey);
279
280
        return $this;
281
    }
282
283
    /**
284
     * Minifying a CSS or a JS.
285
     */
286
    public function minify(): self
287
    {
288
        $this->cacheTags['minify'] = true;
289
        $cache = new Cache($this->builder, 'assets');
290
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
291
        if (!$cache->has($cacheKey)) {
292
            $this->doMinify();
293
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
294
        }
295
        $this->data = $cache->get($cacheKey);
296
297
        return $this;
298
    }
299
300
    /**
301
     * Add hash to the file name + cache.
302
     */
303
    public function fingerprint(): self
304
    {
305
        $this->cacheTags['fingerprint'] = true;
306
        $cache = new Cache($this->builder, 'assets');
307
        $cacheKey = $cache->createKeyFromAsset($this, $this->cacheTags);
308
        if (!$cache->has($cacheKey)) {
309
            $this->doFingerprint();
310
            $cache->set($cacheKey, $this->data, $this->config->get('cache.assets.ttl'));
311
        }
312
        $this->data = $cache->get($cacheKey);
313
314
        return $this;
315
    }
316
317
    /**
318
     * Scales down an image to a new $width.
319
     *
320
     * @throws RuntimeException
321
     */
322
    public function resize(int $width): self
323
    {
324
        $this->checkImage();
325
326
        // if the image is already smaller than the requested width, return it
327
        if ($width >= $this->data['width']) {
328
            return $this;
329
        }
330
331
        $assetResized = clone $this;
332
        $assetResized->data['width'] = $width;
333
334
        if ($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
        $quality = (int) $this->config->get('assets.images.quality');
341
342
        $cache = new Cache($this->builder, 'assets');
343
        $assetResized->cacheTags['quality'] = $quality;
344
        $assetResized->cacheTags['width'] = $width;
345
        $cacheKey = $cache->createKeyFromAsset($assetResized, $assetResized->cacheTags);
346
        if (!$cache->has($cacheKey)) {
347
            $assetResized->data['content'] = Image::resize($assetResized, $width, $quality);
348
            $assetResized->data['path'] = '/' . Util::joinPath(
349
                (string) $this->config->get('assets.target'),
350
                self::IMAGE_THUMB,
351
                (string) $width,
352
                $assetResized->data['path']
353
            );
354
            $assetResized->data['path'] = $this->deduplicateThumbPath($assetResized->data['path']);
355
            $assetResized->data['height'] = $assetResized->getHeight();
356
            $assetResized->data['size'] = \strlen($assetResized->data['content']);
357
358
            $cache->set($cacheKey, $assetResized->data, $this->config->get('cache.assets.ttl'));
359
            $this->builder->getLogger()->debug(\sprintf('Asset resized: "%s" (%sx)', $assetResized->data['path'], $width));
360
        }
361
        $assetResized->data = $cache->get($cacheKey);
362
363
        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
    public function cover(int $width, int $height): self
372
    {
373
        $this->checkImage();
374
375
        $assetResized = clone $this;
376
        $assetResized->data['width'] = $width;
377
        $assetResized->data['height'] = $height;
378
379
        $quality = (int) $this->config->get('assets.images.quality');
380
381
        $cache = new Cache($this->builder, 'assets');
382
        $assetResized->cacheTags['quality'] = $quality;
383
        $assetResized->cacheTags['width'] = $width;
384
        $assetResized->cacheTags['height'] = $height;
385
        $cacheKey = $cache->createKeyFromAsset($assetResized, $assetResized->cacheTags);
386
        if (!$cache->has($cacheKey)) {
387
            $assetResized->data['content'] = Image::cover($assetResized, $width, $height, $quality);
388
            $assetResized->data['path'] = '/' . Util::joinPath(
389
                (string) $this->config->get('assets.target'),
390
                self::IMAGE_THUMB,
391
                (string) $width . 'x' . (string) $height,
392
                $assetResized->data['path']
393
            );
394
            $assetResized->data['path'] = $this->deduplicateThumbPath($assetResized->data['path']);
395
            $assetResized->data['size'] = \strlen($assetResized->data['content']);
396
397
            $cache->set($cacheKey, $assetResized->data, $this->config->get('cache.assets.ttl'));
398
            $this->builder->getLogger()->debug(\sprintf('Asset resized: "%s" (%sx%s)', $assetResized->data['path'], $width, $height));
399
        }
400
        $assetResized->data = $cache->get($cacheKey);
401
402
        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
    public function convert(string $format, ?int $quality = null): self
448
    {
449
        if ($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'], $format));
451
        }
452
453
        if ($quality === null) {
454
            $quality = (int) $this->config->get('assets.images.quality');
455
        }
456
457
        $asset = clone $this;
458
        $asset['ext'] = $format;
459
        $asset->data['subtype'] = "image/$format";
460
461
        if ($this->isImageInCdn()) {
462
            return $asset; // returns the asset with the new extension only: CDN do the rest of the job
463
        }
464
465
        $cache = new Cache($this->builder, 'assets');
466
        $this->cacheTags['quality'] = $quality;
467
        if ($this->data['width']) {
468
            $this->cacheTags['width'] = $this->data['width'];
469
        }
470
        $cacheKey = $cache->createKeyFromAsset($asset, $this->cacheTags);
471
        if (!$cache->has($cacheKey)) {
472
            $asset->data['content'] = Image::convert($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', $quality);
501
    }
502
503
    /**
504
     * Implements \ArrayAccess.
505
     */
506
    #[\ReturnTypeWillChange]
507
    public function offsetSet($offset, $value): void
508
    {
509
        if (!\is_null($offset)) {
510
            $this->data[$offset] = $value;
511
        }
512
    }
513
514
    /**
515
     * Implements \ArrayAccess.
516
     */
517
    #[\ReturnTypeWillChange]
518
    public function offsetExists($offset): bool
519
    {
520
        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[$offset]);
530
    }
531
532
    /**
533
     * Implements \ArrayAccess.
534
     */
535
    #[\ReturnTypeWillChange]
536
    public function offsetGet($offset)
537
    {
538
        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
    public function getIntegrity(string $algo = 'sha384'): string
548
    {
549
        return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true)));
550
    }
551
552
    /**
553
     * Returns MP3 file infos.
554
     *
555
     * @see https://github.com/wapmorgan/Mp3Info
556
     */
557
    public function getAudio(): Mp3Info
558
    {
559
        if ($this->data['type'] !== 'audio') {
560
            throw new RuntimeException(\sprintf('Not able to get audio infos of "%s".', $this->data['path']));
561
        }
562
563
        return new Mp3Info($this->data['file']);
564
    }
565
566
    /**
567
     * Returns MP4 file infos.
568
     *
569
     * @see https://github.com/clwu88/php-read-mp4info
570
     */
571
    public function getVideo(): array
572
    {
573
        if ($this->data['type'] !== 'video') {
574
            throw new RuntimeException(\sprintf('Not able to get video infos of "%s".', $this->data['path']));
575
        }
576
577
        return (array) \Clwu\Mp4::getInfo($this->data['file']);
578
    }
579
580
    /**
581
     * Returns the Data URL (encoded in Base64).
582
     *
583
     * @throws RuntimeException
584
     */
585
    public function dataurl(): string
586
    {
587
        if ($this->data['type'] == 'image' && !Image::isSVG($this)) {
588
            return Image::getDataUrl($this, (int) $this->config->get('assets.images.quality'));
589
        }
590
591
        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
    public function save(): void
600
    {
601
        if ($this->data['missing']) {
602
            return;
603
        }
604
605
        $cache = new Cache($this->builder, 'assets');
606
        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
        $this->builder->addAsset($this->data['path']);
613
    }
614
615
    /**
616
     * Is the asset an image and is it in CDN?
617
     */
618
    public function isImageInCdn(): bool
619
    {
620
        if (
621
            $this->data['type'] == 'image'
622
            && $this->config->isEnabled('assets.images.cdn')
623
            && $this->data['ext'] != 'ico'
624
            && (Image::isSVG($this) && $this->config->isEnabled('assets.images.cdn.svg'))
625
        ) {
626
            return true;
627
        }
628
        // handle remote image?
629
        if ($this->data['url'] !== null && $this->config->isEnabled('assets.images.cdn.remote')) {
630
            return true;
631
        }
632
633
        return false;
634
    }
635
636
    /**
637
     * Builds a relative path from a URL.
638
     * Used for remote files.
639
     */
640
    public static function buildPathFromUrl(string $url): string
641
    {
642
        $host = parse_url($url, PHP_URL_HOST);
643
        $path = parse_url($url, PHP_URL_PATH);
644
        $query = parse_url($url, PHP_URL_QUERY);
645
        $ext = pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION);
646
647
        // Google Fonts hack
648
        if (Util\Str::endsWith($path, '/css') || Util\Str::endsWith($path, '/css2')) {
649
            $ext = 'css';
650
        }
651
652
        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
    public static function sanitize(string $string): string
659
    {
660
        return str_replace(['<', '>', ':', '"', '\\', '|', '?', '*'], '_', $string);
661
    }
662
663
    /**
664
     * Compiles a SCSS.
665
     *
666
     * @throws RuntimeException
667
     */
668
    protected function doCompile(): self
669
    {
670
        // abort if not a SCSS file
671
        if ($this->data['ext'] != 'scss') {
672
            return $this;
673
        }
674
        $scssPhp = new Compiler();
675
        // import paths
676
        $importDir = [];
677
        $importDir[] = Util::joinPath($this->config->getStaticPath());
678
        $importDir[] = Util::joinPath($this->config->getAssetsPath());
679
        $scssDir = (array) $this->config->get('assets.compile.import');
680
        $themes = $this->config->getTheme() ?? [];
681
        foreach ($scssDir as $dir) {
682
            $importDir[] = Util::joinPath($this->config->getStaticPath(), $dir);
683
            $importDir[] = Util::joinPath($this->config->getAssetsPath(), $dir);
684
            $importDir[] = Util::joinPath(\dirname($this->data['file']), $dir);
685
            foreach ($themes as $theme) {
686
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir"));
687
                $importDir[] = Util::joinPath($this->config->getThemeDirPath($theme, "assets/$dir"));
688
            }
689
        }
690
        $scssPhp->setQuietDeps(true);
691
        $scssPhp->setImportPaths(array_unique($importDir));
692
        // adds source map
693
        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
        $outputStyles = ['expanded', 'compressed'];
712
        $outputStyle = strtolower((string) $this->config->get('assets.compile.style'));
713
        if (!\in_array($outputStyle, $outputStyles)) {
714
            throw new ConfigException(\sprintf('"%s" value must be "%s".', 'assets.compile.style', implode('" or "', $outputStyles)));
715
        }
716
        $scssPhp->setOutputStyle($outputStyle == 'compressed' ? OutputStyle::COMPRESSED : OutputStyle::EXPANDED);
717
        // set variables
718
        $variables = $this->config->get('assets.compile.variables');
719
        if (!empty($variables)) {
720
            $variables = array_map('ScssPhp\ScssPhp\ValueConverter::parseValue', $variables);
721
            $scssPhp->replaceVariables($variables);
722
        }
723
        // debug
724
        if ($this->builder->isDebug()) {
725
            $scssPhp->setQuietDeps(false);
726
            $this->builder->getLogger()->debug(\sprintf("SCSS compiler imported paths:\n%s", Util\Str::arrayToList(array_unique($importDir))));
727
        }
728
        // update data
729
        $this->data['path'] = preg_replace('/sass|scss/m', 'css', $this->data['path']);
730
        $this->data['ext'] = 'css';
731
        $this->data['type'] = 'text';
732
        $this->data['subtype'] = 'text/css';
733
        $this->data['content'] = $scssPhp->compileString($this->data['content'])->getCss();
734
        $this->data['size'] = \strlen($this->data['content']);
735
736
        $this->builder->getLogger()->debug(\sprintf('Asset compiled: "%s"', $this->data['path']));
737
738
        return $this;
739
    }
740
741
    /**
742
     * Minifying a CSS or a JS + cache.
743
     *
744
     * @throws RuntimeException
745
     */
746
    protected function doMinify(): self
747
    {
748
        // compile SCSS files
749
        if ($this->data['ext'] == 'scss') {
750
            $this->doCompile();
751
        }
752
        // abort if already minified
753
        if (substr($this->data['path'], -8) == '.min.css' || substr($this->data['path'], -7) == '.min.js') {
754
            return $this;
755
        }
756
        // abord if not a CSS or JS file
757
        if (!\in_array($this->data['ext'], ['css', 'js'])) {
758
            return $this;
759
        }
760
        // in debug mode: disable minify to preserve inline source map
761
        if ($this->builder->isDebug() && $this->config->isEnabled('assets.compile.sourcemap')) {
762
            return $this;
763
        }
764
        switch ($this->data['ext']) {
765
            case 'css':
766
                $minifier = new Minify\CSS($this->data['content']);
767
                break;
768
            case 'js':
769
                $minifier = new Minify\JS($this->data['content']);
770
                break;
771
            default:
772
                throw new RuntimeException(\sprintf('Not able to minify "%s".', $this->data['path']));
773
        }
774
        $this->data['content'] = $minifier->minify();
775
        $this->data['size'] = \strlen($this->data['content']);
776
777
        $this->builder->getLogger()->debug(\sprintf('Asset minified: "%s"', $this->data['path']));
778
779
        return $this;
780
    }
781
782
    /**
783
     * Add hash to the file name.
784
     */
785
    protected function doFingerprint(): self
786
    {
787
        $hash = hash('md5', $this->data['content']);
788
        $this->data['path'] = preg_replace(
789
            '/\.' . $this->data['ext'] . '$/m',
790
            ".$hash." . $this->data['ext'],
791
            $this->data['path']
792
        );
793
        $this->builder->getLogger()->debug(\sprintf('Asset fingerprinted: "%s"', $this->data['path']));
794
795
        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
    private function locateFile(string $path, ?string $fallback = null, ?string $userAgent = null): array
812
    {
813
        // remote file
814
        if (Util\File::isRemote($path)) {
815
            try {
816
                $content = $this->getRemoteFileContent($path, $userAgent);
817
                $path = self::buildPathFromUrl($path);
818
                $cache = new Cache($this->builder, 'assets/remote');
819
                if (!$cache->has($path)) {
820
                    $cache->set($path, [
821
                        'content' => $content,
822
                        'path'    => $path,
823
                    ], $this->config->get('cache.assets.remote.ttl'));
824
                }
825
                return [
826
                    'file' => $cache->getContentFilePathname($path),
827
                    'path' => $path,
828
                ];
829
            } catch (RuntimeException $e) {
830
                if (empty($fallback)) {
831
                    throw new RuntimeException($e->getMessage());
832
                }
833
                $path = $fallback;
834
            }
835
        }
836
837
        // checks in assets/
838
        $file = Util::joinFile($this->config->getAssetsPath(), $path);
839
        if (Util\File::getFS()->exists($file)) {
840
            return [
841
                'file' => $file,
842
                'path' => $path,
843
            ];
844
        }
845
846
        // checks in each themes/<theme>/assets/
847
        foreach ($this->config->getTheme() ?? [] as $theme) {
848
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'assets'), $path);
849
            if (Util\File::getFS()->exists($file)) {
850
                return [
851
                    'file' => $file,
852
                    'path' => $path,
853
                ];
854
            }
855
        }
856
857
        // checks in static/
858
        $file = Util::joinFile($this->config->getStaticPath(), $path);
859
        if (Util\File::getFS()->exists($file)) {
860
            return [
861
                'file' => $file,
862
                'path' => $path,
863
            ];
864
        }
865
866
        // checks in each themes/<theme>/static/
867
        foreach ($this->config->getTheme() ?? [] as $theme) {
868
            $file = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path);
869
            if (Util\File::getFS()->exists($file)) {
870
                return [
871
                    'file' => $file,
872
                    'path' => $path,
873
                ];
874
            }
875
        }
876
877
        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
    private function getRemoteFileContent(string $path, ?string $userAgent = null): string
887
    {
888
        if (!Util\File::isRemoteExists($path)) {
889
            throw new RuntimeException(\sprintf('Can\'t get remote file "%s".', $path));
890
        }
891
        if (false === $content = Util\File::fileGetContents($path, $userAgent)) {
892
            throw new RuntimeException(\sprintf('Can\'t get content of remote file "%s".', $path));
893
        }
894
        if (\strlen($content) <= 1) {
895
            throw new RuntimeException(\sprintf('Remote file "%s" is empty.', $path));
896
        }
897
898
        return $content;
899
    }
900
901
    /**
902
     * Optimizing $filepath image.
903
     * Returns the new file size.
904
     */
905
    private function optimize(string $filepath, string $path, int $quality): int
906
    {
907
        $message = \sprintf('Asset not optimized: "%s"', $path);
908
        $sizeBefore = filesize($filepath);
909
        Optimizer::create($quality)->optimize($filepath);
910
        $sizeAfter = filesize($filepath);
911
        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
        $this->builder->getLogger()->debug($message);
920
921
        return $sizeAfter;
922
    }
923
924
    /**
925
     * Returns the width of an image/SVG.
926
     *
927
     * @throws RuntimeException
928
     */
929
    private function getWidth(): int
930
    {
931
        if ($this->data['type'] != 'image') {
932
            return 0;
933
        }
934
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
935
            return (int) $svg->width;
936
        }
937
        if (false === $size = $this->getImageSize()) {
938
            throw new RuntimeException(\sprintf('Not able to get width of "%s".', $this->data['path']));
939
        }
940
941
        return $size[0];
942
    }
943
944
    /**
945
     * Returns the height of an image/SVG.
946
     *
947
     * @throws RuntimeException
948
     */
949
    private function getHeight(): int
950
    {
951
        if ($this->data['type'] != 'image') {
952
            return 0;
953
        }
954
        if (Image::isSVG($this) && false !== $svg = Image::getSvgAttributes($this)) {
955
            return (int) $svg->height;
956
        }
957
        if (false === $size = $this->getImageSize()) {
958
            throw new RuntimeException(\sprintf('Not able to get height of "%s".', $this->data['path']));
959
        }
960
961
        return $size[1];
962
    }
963
964
    /**
965
     * Returns image size informations.
966
     *
967
     * @see https://www.php.net/manual/function.getimagesize.php
968
     *
969
     * @return array|false
970
     */
971
    private function getImageSize()
972
    {
973
        if (!$this->data['type'] == 'image') {
974
            return false;
975
        }
976
977
        try {
978
            if (false === $size = getimagesizefromstring($this->data['content'])) {
979
                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
        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) $this->config->get('assets.images.cdn.url')
1009
        );
1010
    }
1011
1012
    /**
1013
     * Checks if the asset is not missing and is typed as an image.
1014
     *
1015
     * @throws RuntimeException
1016
     */
1017
    private function checkImage(): void
1018
    {
1019
        if ($this->data['missing']) {
1020
            throw new RuntimeException(\sprintf('Not able to resize "%s": file not found.', $this->data['path']));
1021
        }
1022
        if ($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
    private function deduplicateThumbPath(string $path): string
1031
    {
1032
        // https://regex101.com/r/rDRWnL/1
1033
        $pattern = '/(' . self::IMAGE_THUMB . '\/\d+(x\d+){0,1})\/' . self::IMAGE_THUMB . '\/\d+\/(.*)/i';
1034
1035
        return preg_replace($pattern, '$1/$3', $path);
1036
    }
1037
}
1038