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<?php /** * This page contains api class. */ namespace EnableMediaReplace; use EnableMediaReplace\ShortPixelLogger\ShortPixelLogger as Log; use EnableMediaReplace\Controller\ReplaceController as ReplaceController; use Exception; use stdClass; /** * This class contains api methods */ class Api { /** * Request Counter * * @var int $counter */ private $counter = 0; /** * ShortPixel api url * * @var string $url */ private $url = 'http://api.shortpixel.com/v2/free-reducer.php'; /** * ShortPixel api request headers * * @var array $headers */ private $headers = array( 'Content-Type: application/json', 'Accept: application/json', ); private $refresh = true; // only first request should be fresh public function __construct() { } /** * Create ShortPixel api request * * @param array $data * @return stdClass $result */ public function request( array $posted_data ) { $bg_remove = '1'; $compression_level = 0; // intval($posted_data['compression_level']); // off for now. $attachment_id = isset($_POST['attachment_id']) ? intval($_POST['attachment_id']) : null; $attachment = get_post($attachment_id); if (is_null($attachment_id)) { $result = $this->getResponseObject(); $result->success = false; $result->message = __('No attachment ID given', 'enable-media-replace'); return $result; } if (! emr()->checkImagePermission($attachment)) { $result = $this->getResponseObject(); $result->success = false; $result->message = __('No permission for user', 'enable-media-replace'); return $result; } $replaceController = new ReplaceController($attachment_id); $url = $replaceController->getSourceUrl(); $settings = get_option('enable_media_replace', array()); // save settings and show last loaded. $settings['bg_type'] = isset($_POST['background']['type']) ? sanitize_text_field($_POST['background']['type']) : false; $settings['bg_color'] = isset($_POST['background']['color']) ? sanitize_text_field($_POST['background']['color']) : '#ffffff'; // default to white. $settings['bg_transparency'] = isset($_POST['background']['transparency']) ? sanitize_text_field($_POST['background']['transparency']) : false; update_option('enable_media_replace', $settings, false); if ( 'solid' === $posted_data['background']['type'] ) { $bg_remove = $posted_data['background']['color']; $transparency = isset($posted_data['background']['transparency']) ? intval($posted_data['background']['transparency']) : -1; // if transparancy without acceptable boundaries, add it to color ( as rgba I presume ) if ($transparency >= 0 && $transparency < 100) { if ($transparency == 100) $transparency = 'FF'; // Strpad for lower than 10 should add 09, 08 etc. $bg_remove .= str_pad($transparency, 2, '0', STR_PAD_LEFT); } } $data = array( 'plugin_version' => EMR_VERSION, 'bg_remove' => $bg_remove, 'urllist' => array( urlencode( esc_url($url) ) ), 'lossy' => $compression_level, 'refresh' => $this->refresh, ); $request = array( 'method' => 'POST', 'timeout' => 60, 'headers' => $this->headers, 'body' => json_encode( $data ), ); $settingsData = ''; //unset($settingsData['url']); foreach($data as $key => $val) { if ($key == 'urllist' || $key == 'refresh') { continue; } $settingsData .= " $key:$val "; } //we need to wait a bit until we try to check if the image is ready if ($this->counter > 0) sleep( $this->counter + 3 ); $this->counter++; $result = $this->getResponseObject(); if ( $this->counter < 10 ) { try { Log::addDebug('Sending request', $request); $response = wp_remote_post( $this->url, $request ); $this->refresh = false; if ( is_wp_error( $response ) ) { $result->message = $response->get_error_message(); } else { $json = json_decode( $response['body'] ); Log::addDebug('Response Json', $json); if ( is_array( $json ) && '2' === $json[0]->Status->Code ) { $result->success = true; if ( '1' === $compression_level || '2' === $compression_level ) { $result->image = $json[0]->LossyURL; } else { $result->image = $json[0]->LosslessURL; } $key = $this->handleSuccess($result); $result->key = $key; $result->url = $url; $result->image = add_query_arg('ts', time(), $result->image); $result->settings = $settingsData; // $this->handleSuccess($result); } elseif ( is_array( $json ) && '1' === $json[0]->Status->Code ) { return $this->request( $posted_data ); } else { if (is_array($json)) { $result->message = $json[0]->Status->Message; } elseif (is_object($json) && property_exists($json, 'Status')) { $result->message = $json->Status->Message; } } } } catch ( Exception $e ) { $result->message = $e->getMessage(); } } else { $result->message = __( 'The background could not be removed in a reasonable amount of time. The file might be too big, or the API could be busy. Please try again later!', 'enable-media-replace' ); } return $result; } public function handleSuccess($result) { // $fs = emr()->filesystem(); // $result = $fs->downloadFile($result->image, wp_tempnam($result->image)); $nonce = isset($_POST['nonce']) ? sanitize_text_field($_POST['nonce']) : wp_create_nonce(); $key = wp_hash($nonce . $result->image, 'logged_in'); set_transient('emr_' . $key, $result->image, 30 * MINUTE_IN_SECONDS); return $key; } public function handleDownload($key) { $url = get_transient('emr_' . $key); $result = $this->getResponseObject(); if ($url === false) { $result->message = __('This file seems not available anymore. Please try again', 'enable-media-replace'); return $result; } $fs = emr()->filesystem(); $target = wp_tempnam($url); $bool = $fs->downloadFile($url, $target); if ($bool === false) { $result->message = __('Download failed', 'enable-media-replace'); } else { $result->success = true; $result->image = $target; } return $result; } protected function getResponseObject() { $result = new stdClass; $result->success = false; $result->image = null; $result->message = null; return $result; } }