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<?php |
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namespace Imagetastic; |
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use Google\Auth\Credentials\ServiceAccountCredentials; |
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use Google\Auth\Middleware\AuthTokenMiddleware; |
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use GuzzleHttp\Client as HttpClient; |
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use GuzzleHttp\HandlerStack; |
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use Imagine\Filter\Basic\WebOptimization; |
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class Client |
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{ |
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private $key; |
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private $project; |
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public function __construct($key, $project) |
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{ |
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$this->key = $key; |
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$this->project = $project; |
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} |
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public function process($imageUrl, array $thumb) |
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{ |
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try { |
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$res = new \StdClass(); |
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$res->height = null; |
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$res->width = null; |
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$res->ratio = null; |
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$res->done = false; |
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$filename = tempnam('/tmp', 'mh-'); |
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$thumbPath = tempnam('/tmp', 'mh-thumb-'); |
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$this->download($imageUrl, $filename); |
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$identifier = uniqid(); |
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$gooPath = 'original'; |
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$gooThumbPath = sprintf('thumb_%sx%s', $thumb['width'], $thumb['height']); |
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$dimentions = @getimagesize($filename); |
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if (!$dimentions) { |
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throw new \Exception('Image cannot be read properly'); |
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} |
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$res->height = $dimentions[1]; |
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$res->width = $dimentions[0]; |
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$res->mime = $dimentions['mime']; |
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$res->ratio = $res->width/$res->height; |
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switch ($res->mime) { |
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case 'image/jpeg': |
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$extension = 'jpeg'; |
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break; |
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case 'image/png': |
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$extension = 'png'; |
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break; |
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case 'image/gif': |
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$extension = 'gif'; |
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break; |
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} |
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$path = $identifier.'.'.$extension; |
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$thumbPath .= '.'.$extension; |
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$filter = new WebOptimization(); |
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$imagine = new \Imagine\Gd\Imagine(); |
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$image = $filter->apply( |
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$imagine->open($filename) |
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->thumbnail( |
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new \Imagine\Image\Box($thumb['width'], $thumb['height']), |
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\Imagine\Image\ImageInterface::THUMBNAIL_OUTBOUND |
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) |
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) |
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; |
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switch ($res->mime) { |
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case 'image/jpeg': |
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$image->save($thumbPath, ['jpeg_quality' => 70]); |
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exec('jpegoptim '. $filename); |
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exec('jpegoptim '. $thumbPath); |
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break; |
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case 'image/png': |
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$image->save($thumbPath, ['png_compression_level' => 9]); |
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break; |
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case 'image/gif': |
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$image->save($thumbPath); |
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break; |
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default: |
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throw new \Exception('Quality drop for '.$res->mime.' not supported'); |
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} |
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$r = $this->upload($filename, $gooPath, $path, $res->mime); |
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$res->originalPath = $r->public_link; |
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$r = $this->upload($thumbPath, $gooThumbPath, $path, $res->mime); |
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$res->thumbPath = $r->public_link; |
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$res->done = true; |
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} catch (\Imagine\Exception\RuntimeException $e) { |
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$res->error = $e->getMessage(); |
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} catch (\GuzzleHttp\Exception\ServerException $e) { |
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$res->error = $e->getMessage(); |
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} catch (\Exception $e) { |
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$res->error = $e->getMessage(); |
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} |
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$this->cleanup([ |
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$filename, |
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$thumbPath, |
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]); |
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return $res; |
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} |
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public function download($url, $filename) |
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{ |
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if (preg_match("/http:\/\//", $url)) { |
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$httpClient = new HttpClient(); |
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$response = $httpClient->request('GET', $url); |
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file_put_contents($filename, $response->getBody()->getContents()); |
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} else { |
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file_put_contents($filename, file_get_contents($url)); |
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} |
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} |
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public function delete($object) |
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{ |
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$client = $this->getClient(); |
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$url = sprintf('https://www.googleapis.com/storage/v1/b/%s/o/%s', |
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$this->project, |
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urlencode($object) |
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); |
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$response = $client->request('DELETE', $url); |
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return json_decode($response->getBody()->getContents()); |
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} |
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public function list() |
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{ |
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$client = $this->getClient(); |
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$url = sprintf('https://www.googleapis.com/storage/v1/b/%s/o', |
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$this->project |
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); |
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$response = $client->request('GET', $url); |
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return json_decode($response->getBody()->getContents()); |
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} |
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public function upload($localFile, $path, $filename, $mime) |
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{ |
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$client = $this->getClient(); |
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$destination = $path.'/'.$filename; |
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$gooUrl = 'https://storage.googleapis.com/'.$this->project.'/'; |
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$publicLink = $gooUrl.$destination; |
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$url = sprintf('https://www.googleapis.com/upload/storage/v1/b/%s/o?uploadType=media&name=%s', |
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$this->project, |
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urlencode($destination) |
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); |
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$response = $client->request('POST', $url, [ |
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'headers' => [ |
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'Content-Type' => $mime, |
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'Content-Length' => filesize($localFile), |
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], |
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'body' => file_get_contents($localFile) |
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]); |
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$o = new \StdClass(); |
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$o->public_link = $publicLink; |
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$o->response = json_decode($response->getBody()->getContents()); |
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return $o; |
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} |
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private function cleanup($files) |
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{ |
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foreach ($files as $file) { |
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if (file_exists($file)) { |
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unlink($file); |
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} |
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} |
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} |
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private function getClient() |
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{ |
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$sa = new ServiceAccountCredentials( |
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'https://www.googleapis.com/auth/cloud-platform', |
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$this->key |
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); |
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$middleware = new AuthTokenMiddleware($sa); |
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$stack = HandlerStack::create(); |
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$stack->push($middleware); |
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return new HttpClient([ |
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'handler' => $stack, |
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'auth' => 'google_auth' |
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]); |
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} |
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} |
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