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<?php |
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/** |
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* Helper Functions List |
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* |
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* Can be called via Singleton. Since Singleton uses magic method __call(). |
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* Example: |
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* |
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* Add Media to GS storage: |
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* ud_get_stateless_media()->add_media( false, $post_id ); |
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* |
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* @class Utility |
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*/ |
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namespace wpCloud\StatelessMedia { |
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|
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if( !class_exists( 'wpCloud\StatelessMedia\Utility' ) ) { |
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|
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class Utility { |
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|
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/** |
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* ChromeLogger |
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* |
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* @author potanin@UD |
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* @param $data |
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*/ |
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static public function log( $data ) { |
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|
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if( !class_exists( 'wpCloud\StatelessMedia\Logger' )) { |
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include_once( __DIR__ . '/class-logger.php' ); |
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} |
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|
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if( !class_exists( 'wpCloud\StatelessMedia\Logger' )) { |
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return; |
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} |
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|
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if( defined( 'WP_STATELESS_CONSOLE_LOG' ) && WP_STATELESS_CONSOLE_LOG ) { |
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Logger::log( '[wp-stateless]', $data ); |
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} |
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|
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} |
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|
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/** |
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* Override Cache Control |
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* @param $cacheControl |
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* @return mixed |
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*/ |
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public static function override_cache_control( $cacheControl ) { |
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return ud_get_stateless_media()->get( 'sm.cache_control' ); |
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} |
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|
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/** |
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* wp_normalize_path was added in 3.9.0 |
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* |
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* @param $path |
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* @return mixed|string |
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* |
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*/ |
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public static function normalize_path( $path ) { |
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|
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if( function_exists( 'wp_normalize_path' ) ) { |
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return wp_normalize_path( $path ); |
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} |
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|
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$path = str_replace( '\\', '/', $path ); |
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$path = preg_replace( '|/+|','/', $path ); |
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return $path; |
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|
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} |
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|
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/** |
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* Randomize file name |
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* @param $filename |
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* @return string |
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*/ |
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public static function randomize_filename( $filename ) { |
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$info = pathinfo($filename); |
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$ext = empty($info['extension']) ? '' : '' . $info['extension']; |
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$_parts = array(); |
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if (strpos($info['filename'], '@')) { |
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$_cleanName = explode('@', $info['filename'])[0]; |
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$_retna = explode('@', $info['filename'])[1]; |
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$_parts[] = substr(md5(time()), 0, 8); |
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$_parts[] = '-'; |
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$_parts[] = strtolower($_cleanName); |
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$_parts[] = '@' . strtolower($_retna); |
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} else { |
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$_parts[] = substr(md5(time()), 0, 8); |
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$_parts[] = '-'; |
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$_parts[] = strtolower($info['filename']); |
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} |
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|
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$filename = join('', $_parts); |
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if(!empty($ext)){ |
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$filename .= '.' . $ext; |
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} |
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|
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return $filename; |
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} |
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|
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/** |
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* Get Media Item Content Disposition |
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* |
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* @param null $attachment_id |
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* @param array $metadata |
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* @param array $data |
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* @return string |
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*/ |
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public static function getContentDisposition( $attachment_id = null, $metadata = array(), $data = array() ) { |
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// return 'Content-Disposition: attachment; filename=some-file.sql'; |
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|
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return apply_filters( 'sm:item:contentDisposition', null, array( 'attachment_id' => $attachment_id, 'mime_type' => get_post_mime_type( $attachment_id ), 'metadata' => $metadata, 'data' => $data ) ); |
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|
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} |
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|
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/** |
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* @param null $attachment_id |
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* @param array $metadata |
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* @param array $data |
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* @return string |
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*/ |
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public static function getCacheControl( $attachment_id = null, $metadata = array(), $data = array() ) { |
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|
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if( !$attachment_id ) { |
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return apply_filters( 'sm:item:cacheControl', 'private, no-cache, no-store', $attachment_id, array( 'attachment_id' => null, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data ) ); |
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} |
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|
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$_mime_type = get_post_mime_type( $attachment_id ); |
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|
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// Treat images as public. |
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if( strpos( $_mime_type, 'image/' ) !== false ) { |
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return apply_filters( 'sm:item:cacheControl', 'public, max-age=36000, must-revalidate', array( 'attachment_id' => $attachment_id, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data ) ); |
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} |
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|
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// Treat images as public. |
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if( strpos( $_mime_type, 'sql' ) !== false ) { |
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return apply_filters( 'sm:item:cacheControl', 'private, no-cache, no-store', array( 'attachment_id' => $attachment_id, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data ) ); |
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} |
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|
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return apply_filters( 'sm:item:cacheControl', 'public, max-age=30, no-store, must-revalidate', array( 'attachment_id' => $attachment_id, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data ) ); |
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|
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} |
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|
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/** |
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* Add/Update Media to Bucket |
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* Fired for every action with image add or update |
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* |
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* @action wp_generate_attachment_metadata |
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* @author peshkov@UD |
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* @param $metadata |
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* @param $attachment_id |
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* @param $force Whether to force the upload incase of it's already exists. |
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* @return bool|string |
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*/ |
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public static function add_media( $metadata, $attachment_id, $force = false ) { |
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$upload_dir = wp_upload_dir(); |
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|
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/* Get metadata in case if method is called directly. */ |
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if( current_filter() !== 'wp_generate_attachment_metadata' && current_filter() !== 'wp_update_attachment_metadata' ) { |
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$metadata = wp_get_attachment_metadata( $attachment_id ); |
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} |
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|
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$client = ud_get_stateless_media()->get_client(); |
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|
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if( !is_wp_error( $client ) ) { |
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|
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$fullsizepath = wp_normalize_path( get_attached_file( $attachment_id ) ); |
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// Make non-images uploadable. |
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if( empty( $metadata['file'] ) && $attachment_id ) { |
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$metadata = array( "file" => str_replace( trailingslashit( $upload_dir[ 'basedir' ] ), '', get_attached_file( $attachment_id ) ) ); |
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} |
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|
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$file = wp_normalize_path( $metadata[ 'file' ] ); |
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|
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$image_host = ud_get_stateless_media()->get_gs_host(); |
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$bucketLink = apply_filters('wp_stateless_bucket_link', $image_host); |
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|
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$_metadata = array( |
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"width" => isset( $metadata[ 'width' ] ) ? $metadata[ 'width' ] : null, |
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"height" => isset( $metadata[ 'height' ] ) ? $metadata[ 'height' ] : null, |
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'object-id' => $attachment_id, |
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'source-id' => md5( $attachment_id.ud_get_stateless_media()->get( 'sm.bucket' ) ), |
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'file-hash' => md5( $metadata[ 'file' ] ) |
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); |
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|
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if($attachment_id && !empty($metadata) && !$force){ |
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$db_metadata = get_post_meta( $attachment_id, '_wp_attachment_metadata', true ); |
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if($db_metadata != $metadata){ |
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$force = true; |
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} |
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} |
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|
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/* Add default image */ |
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$media = $client->add_media( $_mediaOptions = array_filter( array( |
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'force' => $force, |
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'name' => $file, |
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'absolutePath' => wp_normalize_path( get_attached_file( $attachment_id ) ), |
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'cacheControl' => $_cacheControl = self::getCacheControl( $attachment_id, $metadata, null ), |
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'contentDisposition' => $_contentDisposition = self::getContentDisposition( $attachment_id, $metadata, null ), |
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'mimeType' => get_post_mime_type( $attachment_id ), |
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'metadata' => $_metadata |
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) )); |
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|
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// Break if we have errors. |
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// @note Errors could be due to key being invalid or now having sufficient permissions in which case should notify user. |
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if( is_wp_error( $media ) ) { |
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return $metadata; |
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} |
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|
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/* Add Google Storage metadata to our attachment */ |
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$fileLink = $bucketLink . '/' . ( !empty($media['name']) ? $media['name'] : $file ); |
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|
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$cloud_meta = array( |
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'id' => $media[ 'id' ], |
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'name' => !empty($media['name']) ? $media['name'] : $file, |
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'fileLink' => $fileLink, |
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'storageClass' => $media[ 'storageClass' ], |
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'mediaLink' => $media[ 'mediaLink' ], |
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'selfLink' => $media[ 'selfLink' ], |
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'bucket' => ud_get_stateless_media()->get( 'sm.bucket' ), |
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'object' => $media, |
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'sizes' => array(), |
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); |
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|
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if( isset( $_cacheControl ) && $_cacheControl ) { |
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//update_post_meta( $attachment_id, 'sm_cloud:cacheControl', $_cacheControl ); |
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$cloud_meta[ 'cacheControl' ] = $_cacheControl; |
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} |
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|
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if( isset( $_contentDisposition ) && $_contentDisposition ) { |
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//update_post_meta( $attachment_id, 'sm_cloud:contentDisposition', $_contentDisposition ); |
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$cloud_meta[ 'contentDisposition' ] = $_contentDisposition; |
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} |
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|
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if( empty( $metadata[ 'sizes' ] ) ) { |
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// @note This could happen if WordPress does not have any wp_get_image_editor(), e.g. Imagemagic not installed. |
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} |
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|
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/* Now we go through all available image sizes and upload them to Google Storage */ |
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if( !empty( $metadata[ 'sizes' ] ) && is_array( $metadata[ 'sizes' ] ) ) { |
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|
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$path = wp_normalize_path( dirname( get_attached_file( $attachment_id ) ) ); |
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$mediaPath = wp_normalize_path( trim( dirname( $metadata[ 'file' ] ), '\/\\' ) ); |
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|
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foreach( (array) $metadata[ 'sizes' ] as $image_size => $data ) { |
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|
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$absolutePath = wp_normalize_path( $path . '/' . $data[ 'file' ] ); |
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|
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/* Add 'image size' image */ |
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$media = $client->add_media( array( |
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'force' => $force, |
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'name' => $file_path = trim($mediaPath . '/' . $data[ 'file' ], '/'), |
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'absolutePath' => $absolutePath, |
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'cacheControl' => $_cacheControl, |
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'contentDisposition' => $_contentDisposition, |
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'mimeType' => $data[ 'mime-type' ], |
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'metadata' => array_merge( $_metadata, array( |
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'width' => $data['width'], |
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'height' => $data['height'], |
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'child-of' => $attachment_id, |
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'file-hash' => md5( $data[ 'file' ] ) |
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)) |
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)); |
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|
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/* Break if we have errors. */ |
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if( !is_wp_error( $media ) ) { |
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|
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$fileLink = $bucketLink . '/' . (!empty($media['name']) ? $media['name'] : $file_path); |
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|
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// @note We don't add storageClass because it's same as parent... |
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$cloud_meta[ 'sizes' ][ $image_size ] = array( |
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'id' => $mediaPath . '/' . $media[ 'id' ], |
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'name' => !empty($media['name']) ? $media['name'] : $file_path, |
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'fileLink' => $fileLink, |
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'mediaLink' => $media[ 'mediaLink' ], |
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'selfLink' => $media[ 'selfLink' ] |
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); |
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|
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// Stateless mode: we don't need the local version. |
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if(ud_get_stateless_media()->get( 'sm.mode' ) === 'stateless'){ |
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unlink($absolutePath); |
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} |
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} |
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|
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|
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} |
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|
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} |
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|
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// Stateless mode: we don't need the local version. |
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if(ud_get_stateless_media()->get( 'sm.mode' ) === 'stateless'){ |
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unlink($fullsizepath); |
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} |
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|
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update_post_meta( $attachment_id, 'sm_cloud', $cloud_meta ); |
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|
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} |
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|
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return $metadata; |
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} |
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|
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/** |
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* Remove Media from Bucket by post ID |
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* Fired on calling function wp_delete_attachment() |
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* |
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* @todo: add error logging. peshkov@UD |
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* @see wp_delete_attachment() |
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* @action delete_attachment |
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* @author peshkov@UD |
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* @param $post_id |
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*/ |
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public static function remove_media( $post_id ) { |
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/* Get attahcment's metadata */ |
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$metadata = wp_get_attachment_metadata( $post_id ); |
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|
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/* Be sure we have the same bucket in settings and have GS object's name before proceed. */ |
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if( |
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isset( $metadata[ 'gs_name' ] ) && |
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isset( $metadata[ 'gs_bucket' ] ) && |
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$metadata[ 'gs_bucket' ] == ud_get_stateless_media()->get( 'sm.bucket' ) |
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) { |
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|
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$client = ud_get_stateless_media()->get_client(); |
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if( !is_wp_error( $client ) ) { |
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|
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/* Remove default image */ |
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$client->remove_media( $metadata[ 'gs_name' ] ); |
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|
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/* Now, go through all sizes and remove 'image sizes' images from Bucket too. */ |
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if( !empty( $metadata[ 'sizes' ] ) && is_array( $metadata[ 'sizes' ] ) ) { |
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foreach( $metadata[ 'sizes' ] as $k => $v ) { |
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if( !empty( $v[ 'gs_name' ] ) ) { |
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$client->remove_media( $v[ 'gs_name' ] ); |
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} |
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} |
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} |
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|
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} |
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|
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} |
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|
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} |
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|
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} |
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|
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} |
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|
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} |
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|
