- $storage->put($path, $data);
-
- // Set visibility when a non-AWS-s3, s3-like storage option is in use.
- // Done since this call can break s3-like services but desired for other image stores.
- // Attempting to set ACL during above put request requires different permissions
- // hence would technically be a breaking change for actual s3 usage.
- $usingS3 = strtolower(config('filesystems.images')) === 's3';
- $usingS3Like = $usingS3 && !is_null(config('filesystems.disks.s3.endpoint'));
- if (!$usingS3Like) {
- $storage->setVisibility($path, 'public');
- }
- }
-
- /**
- * Clean up an image file name to be both URL and storage safe.
- */
- protected function cleanImageFileName(string $name): string
- {
- $name = str_replace(' ', '-', $name);
- $nameParts = explode('.', $name);
- $extension = array_pop($nameParts);
- $name = implode('-', $nameParts);
- $name = Str::slug($name);
-
- if (strlen($name) === 0) {
- $name = Str::random(10);
- }
-
- return $name . '.' . $extension;
- }
-
- /**
- * Checks if the image is a gif. Returns true if it is, else false.
- */
- protected function isGif(Image $image): bool
- {
- return strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'gif';
- }
-
- /**
- * Check if the given image and image data is apng.
- */
- protected function isApngData(Image $image, string &$imageData): bool
- {
- $isPng = strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'png';
- if (!$isPng) {
- return false;
- }
-
- $initialHeader = substr($imageData, 0, strpos($imageData, 'IDAT'));
-
- return strpos($initialHeader, 'acTL') !== false;
- }
-
- /**
- * Get the thumbnail for an image.
- * If $keepRatio is true only the width will be used.
- * Checks the cache then storage to avoid creating / accessing the filesystem on every check.
- *
- * @throws Exception
- * @throws InvalidArgumentException
- */
- public function getThumbnail(Image $image, ?int $width, ?int $height, bool $keepRatio = false): string
- {
- // Do not resize GIF images where we're not cropping
- if ($keepRatio && $this->isGif($image)) {
- return $this->getPublicUrl($image->path);
- }
-
- $thumbDirName = '/' . ($keepRatio ? 'scaled-' : 'thumbs-') . $width . '-' . $height . '/';
- $imagePath = $image->path;
- $thumbFilePath = dirname($imagePath) . $thumbDirName . basename($imagePath);
-
- $thumbCacheKey = 'images::' . $image->id . '::' . $thumbFilePath;
-
- // Return path if in cache
- $cachedThumbPath = $this->cache->get($thumbCacheKey);
- if ($cachedThumbPath) {
- return $this->getPublicUrl($cachedThumbPath);
- }
-
- // If thumbnail has already been generated, serve that and cache path
- $storage = $this->getStorageDisk($image->type);
- if ($storage->exists($this->adjustPathForStorageDisk($thumbFilePath, $image->type))) {
- $this->cache->put($thumbCacheKey, $thumbFilePath, 60 * 60 * 72);
-
- return $this->getPublicUrl($thumbFilePath);
- }
-
- $imageData = $storage->get($this->adjustPathForStorageDisk($imagePath, $image->type));
-
- // Do not resize apng images where we're not cropping
- if ($keepRatio && $this->isApngData($image, $imageData)) {
- $this->cache->put($thumbCacheKey, $image->path, 60 * 60 * 72);
-
- return $this->getPublicUrl($image->path);
- }
-
- // If not in cache and thumbnail does not exist, generate thumb and cache path
- $thumbData = $this->resizeImage($imageData, $width, $height, $keepRatio);
- $this->saveImageDataInPublicSpace($storage, $this->adjustPathForStorageDisk($thumbFilePath, $image->type), $thumbData);
- $this->cache->put($thumbCacheKey, $thumbFilePath, 60 * 60 * 72);
-
- return $this->getPublicUrl($thumbFilePath);
- }
-
- /**
- * Resize the image of given data to the specified size, and return the new image data.
- *
- * @throws ImageUploadException
- */
- protected function resizeImage(string $imageData, ?int $width, ?int $height, bool $keepRatio): string
- {
- try {
- $thumb = $this->imageTool->make($imageData);
- } catch (ErrorException|NotSupportedException $e) {
- throw new ImageUploadException(trans('errors.cannot_create_thumbs'));
- }
-
- $this->orientImageToOriginalExif($thumb, $imageData);
-
- if ($keepRatio) {
- $thumb->resize($width, $height, function ($constraint) {
- $constraint->aspectRatio();
- $constraint->upsize();
- });
- } else {
- $thumb->fit($width, $height);
- }
-
- $thumbData = (string) $thumb->encode();
-
- // Use original image data if we're keeping the ratio
- // and the resizing does not save any space.
- if ($keepRatio && strlen($thumbData) > strlen($imageData)) {
- return $imageData;
- }
-
- return $thumbData;
- }
-
- /**
- * Orientate the given intervention image based upon the given original image data.
- * Intervention does have an `orientate` method but the exif data it needs is lost before it
- * can be used (At least when created using binary string data) so we need to do some
- * implementation on our side to use the original image data.
- * Bulk of logic taken from: https://github.com/Intervention/image/blob/b734a4988b2148e7d10364b0609978a88d277536/src/Intervention/Image/Commands/OrientateCommand.php
- * Copyright (c) Oliver Vogel, MIT License.
- */
- protected function orientImageToOriginalExif(InterventionImage $image, string $originalData): void
- {
- if (!extension_loaded('exif')) {
- return;
- }
-
- $stream = Utils::streamFor($originalData)->detach();
- $exif = @exif_read_data($stream);
- $orientation = $exif ? ($exif['Orientation'] ?? null) : null;
-
- switch ($orientation) {
- case 2:
- $image->flip();
- break;
- case 3:
- $image->rotate(180);
- break;
- case 4:
- $image->rotate(180)->flip();
- break;
- case 5:
- $image->rotate(270)->flip();
- break;
- case 6:
- $image->rotate(270);
- break;
- case 7:
- $image->rotate(90)->flip();
- break;
- case 8:
- $image->rotate(90);
- break;
- }
projects / bookstack / blobdiff