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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Image\Optimizers;
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// ------------------------------------------------------------------------
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use O2System\Spl\Exceptions\RuntimeException;
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/**
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* Class Imageoptim
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* @package O2System\Image\Optimizers
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*/
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class Imageoptim
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{
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/**
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* Imageoptim::$apiUrl
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*
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* @var string
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*/
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private $apiUrl = 'https://img.gs';
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/**
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* Imageoptim::$apiKey
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*
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* @var string
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*/
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private $username;
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// ------------------------------------------------------------------------
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/**
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* Imageoptim::__construct
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*
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* @param string|null $username
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*/
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public function __construct($username = null)
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{
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if (isset($username)) {
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$this->setUsername($username);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Imageoptim::setApiKey
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*
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* @param string $username
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*
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* @return static
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*/
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public function setUsername($username)
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{
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$this->username = (string)$username;
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return $this;
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}
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// ------------------------------------------------------------------------
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/**
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* Imageoptim::optimize
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*
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* @param string $image
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* @param string|null
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*
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* @return string
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* @throws \Exception
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*/
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public function optimize($image, $option = null)
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{
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// optimize: image optimization in the same format
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// webp: converts the image to the WebP image format
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if ($option === null) {
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$option = 'optimize';
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}
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$callApiUrl = $this->apiUrl . '/' . $this->username . '/' . $option;
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$blob = null;
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if (strpos($image, 'http')) {
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$blob = $this->fromUrl($image, $callApiUrl);
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} elseif (is_file($image)) {
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$blob = $this->fromFile($image, $callApiUrl);
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}
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return $blob;
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}
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protected function fromUrl($image, $callApiUrl)
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{
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$headers = [
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'User-Agent: Imageoptim-API',
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'Accept: image/*',
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];
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$handle = curl_init();
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curl_setopt_array($handle, [
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CURLOPT_URL => $callApiUrl . '/' . $image,
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CURLOPT_HTTPHEADER => $headers,
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CURLOPT_BINARYTRANSFER => true,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_HEADER => true,
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CURLOPT_SSL_VERIFYPEER => true,
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]);
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$response = curl_exec($handle);
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$curlError = curl_error($handle);
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$header_size = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
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$body = substr($response, $header_size);
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// error catching
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if ( ! empty($curlError) || empty($body)) {
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throw new RuntimeException("Imageoptim-Error: {$curlError}, Output: {$body}");
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}
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return $body;
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}
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protected function fromFile($image, $callApiUrl)
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{
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$fileData = @file_get_contents($image);
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$contentHash = md5($image);
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$boundary = "XXX$contentHash";
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$nameEscaped = addslashes(basename($image));
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$options[ 'content' ] = "--$boundary\r\n" .
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"Content-Disposition: form-data; name=\"file\"; filename=\"{$nameEscaped}\"\r\n" .
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"Content-Type: application/octet-stream\r\n" .
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"Content-Transfer-Encoding: binary\r\n" .
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"\r\n$fileData\r\n--$boundary--";
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$options[ 'header' ] =
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"Accept: image/*,application/im2+json\r\n" .
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"User-Agent: ImageOptim-php/1.1 PHP/" . phpversion() .
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"Content-Length: " . strlen($options[ 'content' ]) . "\r\n" .
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"Content-MD5: $contentHash\r\n" .
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"Content-Type: multipart/form-data, boundary=$boundary\r\n";
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$options[ 'timeout' ] = 30;
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$options[ 'ignore_errors' ] = true;
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$options[ 'method' ] = 'POST';
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$stream = @fopen($callApiUrl, 'r', false, stream_context_create(['http' => $options]));
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if ( ! $stream) {
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$error = error_get_last();
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throw new RuntimeException("Can't send HTTPS request to: $callApiUrl\n" . ($error ? $error[ 'message' ] : ''));
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}
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$response = @stream_get_contents($stream);
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if ( ! $response) {
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$error = error_get_last();
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fclose($stream);
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throw new RuntimeException("Error reading HTTPS response from: $callApiUrl\n" . ($error ? $error[ 'message' ] : ''));
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}
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$meta = @stream_get_meta_data($stream);
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if ( ! $meta) {
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$error = error_get_last();
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fclose($stream);
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throw new RuntimeException("Error reading HTTPS response from: $callApiUrl\n" . ($error ? $error[ 'message' ] : ''));
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}
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fclose($stream);
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if ( ! $meta || ! isset($meta[ 'wrapper_data' ], $meta[ 'wrapper_data' ][ 0 ])) {
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throw new RuntimeException("Unable to read headers from HTTP request to: $callApiUrl");
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}
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if ( ! empty($meta[ 'timed_out' ])) {
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throw new RuntimeException("Request timed out: $callApiUrl", 504);
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}
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if ( ! preg_match('/HTTP\/[\d.]+ (\d+) (.*)/', $meta[ 'wrapper_data' ][ 0 ], $status)) {
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throw new RuntimeException("Unexpected response: " . $meta[ 'wrapper_data' ][ 0 ]);
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}
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$status = intval($status[ 1 ]);
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$errorMessage = $status[ 2 ];
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if ($response && preg_grep('/content-type:\s*application\/im2\+json/i', $meta[ 'wrapper_data' ])) {
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$json = @json_decode($response);
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if ($json) {
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if (isset($json->status)) {
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$status = $json->status;
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}
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if (isset($json->error)) {
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$errorMessage = $json->error;
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}
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if (isset($json->code) && $json->code === 'IM2ACCOUNT') {
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throw new RuntimeException($errorMessage, $status);
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}
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}
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}
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if ($status >= 500) {
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throw new RuntimeException($errorMessage, $status);
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}
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if ($status == 404) {
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throw new RuntimeException("Could not find the image: {$image}", $status);
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}
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if ($status == 403) {
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throw new RuntimeException("Origin server denied access to {$image}", $status);
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}
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if ($status >= 400) {
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throw new RuntimeException($errorMessage, $status);
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}
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return $response;
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}
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} |
o2system /
image
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