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Ayush Raj Srivastava
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Aug 26, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| <?php | ||
|
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| namespace App\Controller\ImageCache; | ||
|
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| use App\Service\UrlImageCacheService; | ||
| use Symfony\Bundle\FrameworkBundle\Controller\AbstractController; | ||
| use Symfony\Component\HttpFoundation\Request; | ||
| use Symfony\Component\HttpFoundation\Response; | ||
|
|
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| class ImageCacheController extends AbstractController | ||
| { | ||
| /** | ||
| * Logo URL | ||
| */ | ||
| const UVDESK_LOGO = 'https://updates.uvdesk.com/uvdesk-logo.png'; | ||
|
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| protected $urlImageCacheService; | ||
| protected $urlGenerator; | ||
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| public function __construct( | ||
| UrlImageCacheService $urlImageCacheService | ||
| ) { | ||
| $this->urlImageCacheService = $urlImageCacheService; | ||
| } | ||
|
|
||
| /** | ||
| * Get the cached image response | ||
| * @return Response | ||
| */ | ||
| public function getCachedImage(Request $request): Response | ||
| { | ||
| $response = $this->showImage(self::UVDESK_LOGO); | ||
|
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| $file = $response->getFile(); | ||
| $filePath = $file->getRealPath(); | ||
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| $relativePath = str_replace($this->getParameter('kernel.project_dir') . '/public', '', $filePath); | ||
| $imageUrl = $this->getParameter('uvdesk.site_url') . $relativePath; | ||
|
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| // Construct the URL to access the cached image | ||
| $imageUrl = preg_match('/\/$/', $this->getParameter('uvdesk.site_url')) ? $this->getParameter('uvdesk.site_url') . ltrim($relativePath, '/') : $this->getParameter('uvdesk.site_url') . '/' . ltrim($relativePath, '/'); | ||
|
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| // Return the image URL as JSON | ||
| return new Response(json_encode($imageUrl)); | ||
| } | ||
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| public function showImage(string $url): Response | ||
| { | ||
| $cachedImagePath = $this->urlImageCacheService->getCachedImage($url); | ||
|
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| return $this->file($cachedImagePath); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| <?php | ||
|
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| namespace App\Controller\ImageCache; | ||
|
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| use Intervention\Image\Exception\NotReadableException; | ||
| use Intervention\Image\ImageManager as BaseImageManager; | ||
| use Symfony\Component\DependencyInjection\ContainerInterface; | ||
|
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| class ImageManager extends BaseImageManager | ||
| { | ||
| protected $container; | ||
|
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| public function __construct(ContainerInterface $container) | ||
| { | ||
| $this->container = $container; | ||
| } | ||
|
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| public function make($data) | ||
| { | ||
| $driver = $this->createDriver(); | ||
|
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| if (filter_var($data, FILTER_VALIDATE_URL)) { | ||
| return $this->initFromUrl($driver, $data); | ||
| } | ||
|
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| return $driver->init($data); | ||
| } | ||
|
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| /** | ||
| * This method hit the tracker image url and create a live instance | ||
| * | ||
| * @param mixed $driver | ||
| * @param mixed $url | ||
| * @throws \Intervention\Image\Exception\NotReadableException | ||
| * @return mixed | ||
| */ | ||
| public function initFromUrl($driver, $url) | ||
| { | ||
| $domain = $this->container->getParameter('uvdesk.site_url'); | ||
|
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| $options = [ | ||
| 'http' => [ | ||
| 'method' => 'GET', | ||
| 'protocol_version' => 1.1, | ||
| 'header' => "Accept-language: en\r\n". | ||
| "Domain: $domain\r\n". | ||
| "User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36\r\n", | ||
| ], | ||
| ]; | ||
| $context = stream_context_create($options); | ||
| $data = @file_get_contents($url, false, $context); | ||
|
|
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| if ($data = @file_get_contents($url, false, $context)) { | ||
| return $driver->decoder->initFromBinary($data); | ||
| } | ||
|
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| throw new NotReadableException('Unable to init from given URL ('.$url.').'); | ||
| } | ||
|
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| private function createDriver() | ||
| { | ||
| $driverName = ucfirst($this->config['driver']); | ||
| $driverClass = sprintf('Intervention\\Image\\%s\\Driver', $driverName); | ||
|
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| if (class_exists($driverClass)) { | ||
| return new $driverClass; | ||
| } | ||
|
|
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| throw new \Exception("Driver ({$driverName}) could not be instantiated."); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| <?php | ||
|
|
||
| namespace App\Service; | ||
|
|
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| use App\Controller\ImageCache\ImageManager; | ||
| use Symfony\Component\DependencyInjection\ContainerInterface; | ||
|
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| class UrlImageCacheService | ||
| { | ||
| protected $cacheDir; | ||
| protected $container; | ||
| private $imageManager; | ||
|
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| public function __construct(ContainerInterface $container) | ||
| { | ||
| $this->container = $container; | ||
| $this->cacheDir = $this->container->getParameter('kernel.project_dir').'/public/cache/images'; | ||
| $this->imageManager = new ImageManager($this->container); | ||
| } | ||
|
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| public function getCachedImage(string $url): string | ||
| { | ||
| $cacheKey = md5($url); | ||
| $cachePath = $this->cacheDir . '/' . $cacheKey . '.png'; | ||
|
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| if ($this->isCacheExpired($cachePath)) { | ||
| if (file_exists($cachePath)) { | ||
| unlink($cachePath); // Delete the file | ||
| } | ||
|
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| $this->cacheImage($url, $cachePath); | ||
| } | ||
|
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| return $cachePath; | ||
| } | ||
|
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| private function isCacheExpired(string $cachePath): bool | ||
| { | ||
| if (!file_exists($cachePath)) { | ||
| return true; | ||
| } | ||
|
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| $cacheLifetime = 7 * 24 * 60 * 60; // 1 week in seconds | ||
|
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| return (time() - filemtime($cachePath)) > $cacheLifetime; | ||
| } | ||
|
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| private function cacheImage(string $url, string $cachePath): void | ||
| { | ||
| $image = $this->imageManager->make($url); | ||
| $image->save($cachePath); | ||
| } | ||
| } |