59 lines
1.7 KiB
PHP
59 lines
1.7 KiB
PHP
<?php
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namespace BookStack\References\ModelResolvers;
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use BookStack\Uploads\Image;
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use BookStack\Uploads\ImageStorage;
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class ImageModelResolver implements CrossLinkModelResolver
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{
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protected ?string $pattern = null;
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public function resolve(string $link): ?Image
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{
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$pattern = $this->getUrlPattern();
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$matches = [];
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$match = preg_match($pattern, $link, $matches);
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if (!$match) {
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return null;
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}
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$path = $matches[2];
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// Strip thumbnail element from path if existing
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$originalPathSplit = array_filter(explode('/', $path), function (string $part) {
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$resizedDir = (str_starts_with($part, 'thumbs-') || str_starts_with($part, 'scaled-'));
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$missingExtension = !str_contains($part, '.');
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return !($resizedDir && $missingExtension);
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});
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// Build a database-format image path and search for the image entry
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$fullPath = '/uploads/images/' . ltrim(implode('/', $originalPathSplit), '/');
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return Image::query()->where('path', '=', $fullPath)->first();
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}
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/**
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* Get the regex pattern to identify image URLs.
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* Caches the pattern since it requires looking up to settings/config.
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*/
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protected function getUrlPattern(): string
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{
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if ($this->pattern) {
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return $this->pattern;
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}
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$urls = [url('/uploads/images')];
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$baseImageUrl = ImageStorage::getPublicUrl('/uploads/images');
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if ($baseImageUrl !== $urls[0]) {
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$urls[] = $baseImageUrl;
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}
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$imageUrlRegex = implode('|', array_map(fn ($url) => preg_quote($url, '/'), $urls));
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$this->pattern = '/^(' . $imageUrlRegex . ')\/(.+)/';
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return $this->pattern;
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}
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}
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