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a8c-files.php
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<?php
/*
Plugin Name: Automattic File Hosting Service
Description: Provides a hosted, distributed and fault tolerant files service
Author: Automattic
Version: 0.2
Author URI: http://automattic.com/
*/
/* Requires at least: 3.9.0
* due to the dependancy on the filter 'wp_insert_attachment_data'
* used to catch imports and push the files to the VIP MogileFS service
*/
if ( ! defined( 'FILE_SERVICE_ENDPOINT' ) )
define( 'FILE_SERVICE_ENDPOINT', 'files.vipv2.net' );
define( 'LOCAL_UPLOADS', '/tmp/uploads' );
define( 'ALLOW_UNFILTERED_UPLOADS', false );
require_once( __DIR__ . '/files/class-path-utils.php' );
require_once( __DIR__ . '/files/init-filesystem.php' );
require_once( __DIR__ . '/files/class-vip-filesystem.php' );
/**
* The class use to update attachment meta data
*/
require_once __DIR__ . '/files/class-meta-updater.php';
use Automattic\VIP\Files\Path_Utils;
use Automattic\VIP\Files\VIP_Filesystem;
use Automattic\VIP\Files\Meta_Updater;
class A8C_Files {
/**
* The name of the scheduled cron event to update attachment metadata
*/
const CRON_EVENT_NAME = 'vip_update_attachment_filesizes';
/**
* Option name to mark all attachment filesize update completed
*/
const OPT_ALL_FILESIZE_PROCESSED = 'vip_all_attachment_filesize_processed_v2';
/**
* Option name to mark next index for starting the next batch of filesize updates.
*/
const OPT_NEXT_FILESIZE_INDEX = 'vip_next_attachment_filesize_index_v2';
/**
* Option name for storing Max ID.
*
* We do not need to keep this updated as new attachments will already have file sizes
* included in their meta.
*/
const OPT_MAX_POST_ID = 'vip_attachment_max_post_id_v2';
function __construct() {
// Upload size limit is 1GB
add_filter( 'upload_size_limit', function() {
return 1073741824; // pow( 2, 30 )
});
// Conditionally load either the new Stream Wrapper implementation or old school a8c-files.
// The old school implementation will be phased out soon.
if ( defined( 'VIP_FILESYSTEM_USE_STREAM_WRAPPER' ) && true === VIP_FILESYSTEM_USE_STREAM_WRAPPER
// NOTE: Temporarily disable Stream Wrapper loading for sites on AMS as it's not ready for use there
&& 'ams-files.vipv2.net' !== FILE_SERVICE_ENDPOINT ) {
$this->init_vip_filesystem();
} else {
$this->init_legacy_filesystem();
}
// Initialize Photon-specific filters.
// Wait till `init` to make sure Jetpack and the Photon module are ready.
add_action( 'init', array( $this, 'init_photon' ) );
// ensure we always upload with year month folder layouts
add_filter( 'pre_option_uploads_use_yearmonth_folders', function( $arg ) { return '1'; } );
// ensure the correct upload URL is used even after switch_to_blog is called
add_filter( 'option_upload_url_path', array( $this, 'upload_url_path' ), 10, 2 );
// Conditionally schedule the attachment filesize metaata update job
if ( defined( 'VIP_FILESYSTEM_SCHEDULE_FILESIZE_UPDATE' ) && true === VIP_FILESYSTEM_SCHEDULE_FILESIZE_UPDATE ) {
// add new cron schedule for filesize update
add_filter( 'cron_schedules', array( $this, 'filter_cron_schedules' ), 10, 1 );
// Schedule meta update job
$this->schedule_update_job();
}
}
/**
* Initializes and wires up Stream Wrapper plugin.
*/
private function init_vip_filesystem() {
$vip_filesystem = new VIP_Filesystem();
$vip_filesystem->run();
}
/**
* Initializes our legacy filter-based approach to uploads.
*/
private function init_legacy_filesystem() {
// Hooks for the mu-plugin WordPress Importer
add_filter( 'load-importer-wordpress', array( &$this, 'check_to_download_file' ), 10 );
add_filter( 'wp_insert_attachment_data', array( &$this, 'check_to_upload_file' ), 10, 2 );
add_filter( 'wp_unique_filename', array( $this, 'filter_unique_filename' ), 10, 4 );
add_filter( 'wp_check_filetype_and_ext', array( $this, 'filter_filetype_check' ), 10, 4 );
add_filter( 'upload_dir', array( &$this, 'get_upload_dir' ), 10, 1 );
add_filter( 'wp_handle_upload', array( &$this, 'upload_file' ), 10, 2 );
add_filter( 'wp_delete_file', array( &$this, 'delete_file' ), 20, 1 );
add_filter( 'wp_save_image_file', array( &$this, 'save_image_file' ), 10, 5 );
add_filter( 'wp_save_image_editor_file', array( &$this, 'save_image_file' ), 10, 5 );
}
function init_photon() {
// Limit to certain contexts for the initial testing and roll-out.
// This will be phased out and become the default eventually.
$use_jetpack_photon = $this->use_jetpack_photon();
if ( $use_jetpack_photon ) {
$this->init_jetpack_photon_filters();
} else {
$this->init_vip_photon_filters();
}
}
private function init_jetpack_photon_filters() {
if ( ! class_exists( 'Jetpack_Photon' ) ) {
trigger_error( 'Cannot initialize Photon filters as the Jetpack_Photon class is not loaded. Please verify that Jetpack is loaded and active to restore this functionality.', E_USER_WARNING );
return;
}
// The files service has Photon capabilities, but is served from the same domain.
// Force Jetpack to use the files service instead of the default Photon domains (`i*.wp.com`) for internal files.
// Externally hosted files continue to use the remot Photon service.
add_filter( 'jetpack_photon_domain', [ 'A8C_Files_Utils', 'filter_photon_domain' ], 10, 2 );
// If Jetpack dev mode is enabled, jetpack_photon_url is short-circuited.
// This results in all images being full size (which is not ideal)
add_filter( 'jetpack_photon_development_mode', '__return_false', 9999 );
if ( false === is_vip_go_srcset_enabled() ) {
add_filter( 'wp_get_attachment_metadata', function ( $data, $post_id ) {
if ( isset( $data['sizes'] ) ) {
$data['sizes'] = array();
}
return $data;
}, 10, 2 );
}
// This is our catch-all to strip dimensions from intermediate images in content.
// Since this primarily only impacts post_content we do a little dance to add the filter early to `the_content` and then remove it later on in the same hook.
add_filter( 'the_content', function( $content ) {
add_filter( 'jetpack_photon_pre_image_url', [ 'A8C_Files_Utils', 'strip_dimensions_from_url_path' ] );
return $content;
}, 0 );
add_filter( 'the_content', function( $content ) {
remove_filter( 'jetpack_photon_pre_image_url', [ 'A8C_Files_Utils', 'strip_dimensions_from_url_path' ] );
return $content;
}, 9999999 ); // Jetpack hooks in at 6 9s (999999) so we do 7
// If Photon isn't active, we need to init the necessary filters.
// This takes care of rewriting intermediate images for us.
Jetpack_Photon::instance();
// Jetpack_Photon's downsize filter doesn't run when is_admin(), so we need to fallback to the Go filters.
// This is temporary until Jetpack allows more easily running these filters for is_admin().
if ( is_admin() ) {
$this->init_vip_photon_filters();
}
}
private function init_vip_photon_filters() {
add_filter( 'image_downsize', array( &$this, 'image_resize' ), 5, 3 ); // Ensure this runs before Jetpack, when Photon is active
}
private function use_jetpack_photon() {
if ( defined( 'WPCOM_VIP_USE_JETPACK_PHOTON' ) && true === WPCOM_VIP_USE_JETPACK_PHOTON ) {
return true;
}
if ( isset( $_GET['jetpack-photon'] ) && 'yes' === $_GET['jetpack-photon'] ) {
return true;
}
return false;
}
function check_to_upload_file( $data, $postarr ) {
// Check if this is an import or a local image_editor->save
if ( 0 < intval( $postarr['import_id'] ) || ! $this->attachment_file_exists( $postarr['guid'] ) ) {
$url_parts = parse_url( $postarr['guid'] );
$uploads = wp_upload_dir();
if ( false !== $uploads['error'] )
return $data;
$dir_file_parts = explode( '/', $url_parts['path'] );
if ( 3 > count( $dir_file_parts ) )
return $data;
$local_file_path = implode( '/', array_splice( $dir_file_parts, count( $dir_file_parts ) - 3 ) );
$filename = constant( 'LOCAL_UPLOADS' ) . '/' . $local_file_path;
$file = array(
'file' => $filename,
'url' => $this->get_files_service_hostname() . $url_parts['path'],
'type' => $postarr['post_mime_type'],
'error' => 0,
);
$file = $this->upload_file( $file, 'attachment_import' );
// did the file get renamed due to a name clash, if so record the change
if ( basename( $url_parts['path'] ) != basename( $file['file'] ) ) {
$data['guid'] = str_replace( basename( $url_parts['path'] ),
basename( $file['file'] ), $data['guid'] );
}
}
return $data;
}
// Supports the mu-plugin WordPress Importer
// Ensures a local copy of the imported xml file is available for local reading at the final import step
function check_to_download_file() {
$step = empty( $_GET['step'] ) ? 0 : (int) $_GET['step'];
if ( 2 !== $step )
return;
$this->id = (int) $_POST['import_id'];
$file = get_attached_file( $this->id );
if ( ! $file || file_exists( $file ) )
return;
$service_url = $this->get_files_service_hostname() . '/' . $this->get_upload_path();
if ( is_multisite() && ! ( is_main_network() && is_main_site() ) ) {
$service_url .= '/sites/' . get_current_blog_id();
}
$file_url = str_ireplace( constant( 'LOCAL_UPLOADS' ),
$service_url,
$file );
$opts = array(
'http' => array(
'method' => "GET",
'header' => 'X-Client-Site-ID: ' . FILES_CLIENT_SITE_ID . "\r\n",
)
);
$context = stream_context_create( $opts );
$file_data = file_get_contents( $file_url, false, $context );
if ( $file_data ) {
$directory = pathinfo( $file )['dirname'];
if ( ! file_exists( $directory ) )
mkdir( $directory, 0777, true );
file_put_contents( $file, $file_data );
register_shutdown_function( 'unlink', $file );
}
}
function save_image_file( $override, $filename, $image, $mime_type, $post_id ) {
$return = $image->save( $filename, $mime_type );
if ( ! $return || is_wp_error( $return ) || ! file_exists( $filename ) )
return false;
$url_parts = parse_url( $filename );
if ( false !== stripos( $url_parts['path'], constant( 'LOCAL_UPLOADS' ) ) )
$file_uri = substr( $url_parts['path'], stripos( $url_parts['path'], constant( 'LOCAL_UPLOADS' ) ) + strlen( constant( 'LOCAL_UPLOADS' ) ) );
else
$file_uri = '/' . $url_parts['path'];
$service_url = $this->get_files_service_hostname() . '/' . $this->get_upload_path();
if ( is_multisite() && ! ( is_main_network() && is_main_site() ) ) {
$service_url .= '/sites/' . get_current_blog_id();
}
$file = array(
'file' => $filename,
'url' => $service_url . $file_uri,
'type' => $mime_type,
'error' => 0,
);
$this->upload_file( $file, 'editor_save' );
return ( 0 === $file['error'] );
}
function get_upload_dir( $upload ) {
$upload['path'] = constant( 'LOCAL_UPLOADS' ) . $upload['subdir'];
$upload['basedir'] = constant( 'LOCAL_UPLOADS' );
return $upload;
}
function attachment_file_exists( $file_url ) {
$url_parts = parse_url( $file_url );
$post_url = $this->get_files_service_hostname() . $url_parts['path'];
$headers = array(
'X-Client-Site-ID: ' . constant( 'FILES_CLIENT_SITE_ID' ),
'X-Access-Token: ' . constant( 'FILES_ACCESS_TOKEN' ),
'X-Action: file_exists',
);
$ch = curl_init( $post_url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers );
curl_setopt( $ch, CURLOPT_TIMEOUT, 10 );
curl_setopt( $ch, CURLOPT_VERBOSE, true );
curl_exec( $ch );
$http_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
curl_close( $ch );
return ( 200 == $http_code );
}
/**
* Filter's the return value of `wp_unique_filename()`
*/
public function filter_unique_filename( $filename, $ext, $dir, $unique_filename_callback ) {
// If a unique filename callback was used, let's just use its results.
// `wp_unique_filename` has fired this already so we don't need to actually call it.
if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) {
return $filename;
}
if ( '.tmp' === $ext || '/tmp/' === $dir ) {
return $filename;
}
$ext = strtolower( $ext );
$filename = $this->_sanitize_filename( $filename );
$check = $this->_check_uniqueness_with_backend( $filename );
if ( 200 == $check['http_code'] ) {
$obj = json_decode( $check['content'] );
if ( isset( $obj->filename ) && basename( $obj->filename ) != basename( $filename ) ) {
$filename = $obj->filename;
}
}
return $filename;
}
/**
* Check filetype support against Mogile
*
* Leverages Mogile backend, which will return a 406 or other non-200 code if the filetype is unsupported
*/
public function filter_filetype_check( $filetype_data, $file, $filename, $mimes ) {
$filename = $this->_sanitize_filename( $filename );
$check = $this->_check_uniqueness_with_backend( $filename );
// Setting `ext` and `type` to empty will fail the upload because Go doesn't allow unfiltered uploads
// See `_wp_handle_upload()`
if ( 200 != $check['http_code'] ) {
$filetype_data['ext'] = '';
$filetype_data['type'] = '';
$filetype_data['proper_filename'] = false; // Never set this true, which leaves filename changing to dedicated methods in this class
}
return $filetype_data;
}
/**
* Ensure consistent filename sanitization
*/
private function _sanitize_filename( $filename ) {
return sanitize_file_name( $filename );
}
/**
* Common method to return a unique filename from the VIP Go File Service using the provided filename as a starting point
*/
private function _check_uniqueness_with_backend( $filename ) {
$headers = array(
'X-Client-Site-ID: ' . constant( 'FILES_CLIENT_SITE_ID' ),
'X-Access-Token: ' . constant( 'FILES_ACCESS_TOKEN' ),
'X-Action: unique_filename',
);
if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) {
$file['error'] = $uploads['error'];
return $file;
}
$url_parts = parse_url( $uploads['url'] . '/' . $filename );
$file_path = $url_parts['path'];
if ( is_multisite() ) {
$sanitized_file_path = Path_Utils::trim_leading_multisite_directory( $file_path, $this->get_upload_path() );
if ( false !== $sanitized_file_path ) {
$file_path = $sanitized_file_path;
unset( $sanitized_file_path );
}
}
$post_url = $this->get_files_service_hostname() . $file_path;
$ch = curl_init( $post_url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers );
curl_setopt( $ch, CURLOPT_TIMEOUT, 10 );
curl_setopt( $ch, CURLOPT_VERBOSE, true );
$content = curl_exec( $ch );
$http_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
curl_close( $ch );
return compact( 'http_code', 'content' );
}
function upload_file( $details, $upload_type ) {
if ( ! file_exists( $details['file'] ) ) {
$details['error'] = sprintf( __( 'The specified local upload file does not exist.' ) );
return $details;
}
if ( 'editor_save' == $upload_type ) {
$post_url = $details['url'];
} else {
$url_parts = parse_url( $details['url'] );
$file_path = $url_parts['path'];
if ( is_multisite() ) {
$sanitized_file_path = Path_Utils::trim_leading_multisite_directory( $file_path, $this->get_upload_path() );
if ( false !== $sanitized_file_path ) {
$file_path = $sanitized_file_path;
unset( $sanitized_file_path );
$details['url'] = $url_parts['scheme'] . '://' . $url_parts['host'] . $file_path;
}
}
$post_url = $this->get_files_service_hostname() . $file_path;
}
$headers = array(
'X-Client-Site-ID: ' . constant( 'FILES_CLIENT_SITE_ID' ),
'X-Access-Token: ' . constant( 'FILES_ACCESS_TOKEN' ),
'Content-Type: ' . $details['type'],
'Content-Length: ' . filesize( $details['file'] ),
'Connection: Keep-Alive',
);
$stream = fopen( $details['file'], 'r' );
$ch = curl_init( $post_url );
curl_setopt( $ch, CURLOPT_PUT, true );
curl_setopt( $ch, CURLOPT_INFILE, $stream );
curl_setopt( $ch, CURLOPT_INFILESIZE, filesize( $details['file'] ) );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers );
curl_setopt( $ch, CURLOPT_TIMEOUT, 10 + (int)( filesize( $details['file'] ) / 512000 ) ); // 10 plus 1 second per 500k
curl_setopt( $ch, CURLOPT_READFUNCTION,
function( $ch, $fd, $length ) use( $stream ) {
$data = fread( $stream, $length );
if ( null == $data )
return 0;
else
return $data;
});
$ret_data = curl_exec( $ch );
$http_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
curl_close( $ch );
fclose( $stream );
register_shutdown_function( 'unlink', $details['file'] );
switch ( $http_code ) {
case 200:
if ( 0 < strlen( $ret_data ) ) {
$obj = json_decode( $ret_data );
if ( isset( $obj->filename ) && basename( $obj->filename ) != basename( $post_url ) ) {
$uploads = wp_upload_dir();
if ( false === $uploads['error'] ) {
@copy( $details['file'], $uploads['path'] . '/' . $obj->filename );
register_shutdown_function( 'unlink', $uploads['path'] . '/' . $obj->filename );
}
$details['file'] = str_replace( basename( $post_url ), basename( $obj->filename ), $details['file'] );
}
}
break;
case 204:
$details['error'] = sprintf( __( 'You have exceeded your file space quota.' ) );
break;
default:
$details['error'] = sprintf( __( 'Error uploading the file to the remote servers: Code %d' ), $http_code );
break;
}
return $details;
}
function delete_file( $file_name ) {
// To ensure we don't needlessly fire off deletes for all sizes of the same image, of
// which all except the first result in 404's, keep accounting of what we've deleted.
static $deleted_uris = array();
$url_parts = parse_url( $file_name );
if ( false !== stripos( $url_parts['path'], constant( 'LOCAL_UPLOADS' ) ) )
$file_uri = substr( $url_parts['path'], stripos( $url_parts['path'], constant( 'LOCAL_UPLOADS' ) ) + strlen( constant( 'LOCAL_UPLOADS' ) ) );
else
$file_uri = '/' . $url_parts['path'];
$headers = array(
'X-Client-Site-ID: ' . constant( 'FILES_CLIENT_SITE_ID' ),
'X-Access-Token: ' . constant( 'FILES_ACCESS_TOKEN' ),
);
$delete_uri = $file_uri;
$service_url = $this->get_files_service_hostname() . '/' . $this->get_upload_path();
if ( is_multisite() && ! ( is_main_network() && is_main_site() ) ) {
$service_url .= '/sites/' . get_current_blog_id();
$delete_uri = '/sites/' . get_current_blog_id() . $delete_uri;
}
if ( in_array( $delete_uri, $deleted_uris ) ) {
// This file has already been successfully deleted from the file service in this request
return;
}
$ch = curl_init( $service_url . $file_uri );
curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'DELETE' );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers );
curl_setopt( $ch, CURLOPT_TIMEOUT, 10 );
curl_exec( $ch );
$http_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
curl_close( $ch );
if ( 200 != $http_code ) {
trigger_error( sprintf( __( 'Error deleting the file %s from the remote servers: Code %d' ), $file_uri, $http_code ), E_USER_WARNING );
return;
}
// Set our static so we can later recall that this file has already been deleted and purged
$deleted_uris[] = $delete_uri;
// We successfully deleted the file, purge the file from the caches
$invalidation_url = get_site_url() . '/' . $this->get_upload_path();
if ( is_multisite() && ! ( is_main_network() && is_main_site() ) ) {
$invalidation_url .= '/sites/' . get_current_blog_id();
}
$invalidation_url .= $file_uri;
$this->purge_file_cache( $invalidation_url, 'PURGE' );
}
private function purge_file_cache( $url, $method ) {
global $file_cache_servers;
$parsed = parse_url( $url );
if ( empty( $parsed['host'] ) ) {
return $requests;
}
$uri = '/';
if ( isset( $parsed['path'] ) ) {
$uri = $parsed['path'];
}
if ( isset( $parsed['query'] ) ) {
$uri .= $parsed['query'];
}
$requests = array();
if ( defined( 'PURGE_SERVER_TYPE' ) && 'mangle' == PURGE_SERVER_TYPE ) {
$data = array(
'group' => 'vip-go',
'scope' => 'global',
'type' => $method,
'uri' => $parsed['host'] . $uri,
'cb' => 'nil',
);
$json = json_encode( $data );
$curl = curl_init();
curl_setopt( $curl, CURLOPT_URL, constant( 'PURGE_SERVER_URL' ) );
curl_setopt( $curl, CURLOPT_POST, true );
curl_setopt( $curl, CURLOPT_POSTFIELDS, $json );
curl_setopt( $curl, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
'Content-Length: ' . strlen( $json )
) );
curl_setopt( $curl, CURLOPT_TIMEOUT, 5 );
curl_exec( $curl );
$http_code = curl_getinfo( $curl, CURLINFO_HTTP_CODE );
curl_close( $curl );
if ( 200 != $http_code ) {
trigger_error( sprintf( __( 'Error purging %s from the cache service: Code %d' ), $url, $http_code ), E_USER_WARNING );
}
return;
}
if ( ! isset( $file_cache_servers ) || empty( $file_cache_servers ) ) {
trigger_error( sprintf( __( 'Error purging the file cache for %s: There are no file cache servers defined.' ), $url ), E_USER_WARNING );
return $requests;
}
foreach ( $file_cache_servers as $server ) {
$server = explode( ':', $server[0] );
$requests[] = array(
'ip' => $server[0],
'port' => $server[1],
'host' => $parsed['host'],
'uri' => $uri,
'method' => $method,
);
}
$this->purge_cache_servers( $requests );
}
private function purge_cache_servers( $requests ) {
$curl_multi = curl_multi_init();
foreach ( $requests as $req ) {
$curl = curl_init();
curl_setopt( $curl, CURLOPT_URL, "http://{$req['ip']}{$req['uri']}" );
curl_setopt( $curl, CURLOPT_PORT, $req['port'] );
curl_setopt( $curl, CURLOPT_HTTPHEADER, array( "Host: {$req['host']}" ) );
curl_setopt( $curl, CURLOPT_CUSTOMREQUEST, $req['method'] );
curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $curl, CURLOPT_NOBODY, true );
curl_setopt( $curl, CURLOPT_HEADER, true );
curl_setopt( $curl, CURLOPT_TIMEOUT, 5 );
curl_multi_add_handle( $curl_multi, $curl );
}
$running = true;
while ( $running ) {
do {
$result = curl_multi_exec( $curl_multi, $running );
} while ( $result == CURLM_CALL_MULTI_PERFORM );
if ( $result != CURLM_OK )
error_log( 'curl_multi_exec() returned something different than CURLM_OK' );
curl_multi_select( $curl_multi, 0.2 );
}
while ( $completed = curl_multi_info_read( $curl_multi ) ) {
$info = curl_getinfo( $completed['handle'] );
if ( ! $info['http_code'] && curl_error( $completed['handle'] ) )
error_log( 'Error on: ' . $info['url'] . ' error: ' . curl_error( $completed['handle'] ) . "\n" );
if ( '200' != $info['http_code'] )
error_log( 'Request to ' . $info['url'] . ' returned HTTP code ' . $info['http_code'] . "\n" );
curl_multi_remove_handle( $curl_multi, $completed['handle'] );
}
curl_multi_close( $curl_multi );
}
private function get_upload_path() {
$upload_path = trim( get_option( 'upload_path' ) );
if ( empty( $upload_path ) )
return 'wp-content/uploads';
else
return $upload_path;
}
function get_files_service_hostname() {
return 'https://' . FILE_SERVICE_ENDPOINT;
}
public function upload_url_path( $upload_url_path, $option ) {
// No modifications needed outside multisite
if ( false === is_multisite() ) {
return $upload_url_path;
}
// Change the upload url path to site's URL + wp-content/uploads without trailing slash
// Related core code: https://core.trac.wordpress.org/browser/tags/4.6.1/src/wp-includes/functions.php#L1929
$upload_url_path = untrailingslashit( get_site_url( null, 'wp-content/uploads' ) );
return $upload_url_path;
}
/**
* Image resizing service. Takes place of image_downsize().
*
* @param bool $ignore Unused.
* @param int $id Attachment ID for image.
* @param array|string $size Optional, default is 'medium'. Size of image, either array or string.
* @return bool|array False on failure, array on success.
* @see image_downsize()
*/
function image_resize( $ignore, $id, $size ) {
global $_wp_additional_image_sizes, $post;
// Don't bother resizing non-image (and non-existent) attachment.
// We fallthrough to core's image_downsize but that bails as well.
$is_img = wp_attachment_is_image( $id );
if ( ! $is_img ) {
return false;
}
$content_width = isset( $GLOBALS['content_width'] ) ? $GLOBALS['content_width'] : null;
$crop = false;
$args = array();
// For resize requests coming from an image's attachment page, override
// the supplied $size and use the user-defined $content_width if the
// theme-defined $content_width has been manually passed in.
if ( is_attachment() && $id === $post->ID ) {
if ( is_array( $size )
&& ! empty ( $size )
&& isset( $GLOBALS['content_width'] )
&& $size[0] == $GLOBALS['content_width'] ) {
$size = array( $content_width, $content_width );
}
}
if ( 'tellyworth' == $size ) { // 'full' is reserved because some themes use it (see image_constrain_size_for_editor)
$_max_w = 4096;
$_max_h = 4096;
} elseif ( 'thumbnail' == $size ) {
$_max_w = get_option( 'thumbnail_size_w' );
$_max_h = get_option( 'thumbnail_size_h' );
if ( !$_max_w && !$_max_h ) {
$_max_w = 128;
$_max_h = 96;
}
if ( get_option( 'thumbnail_crop' ) )
$crop = true;
} elseif ( 'medium' == $size ) {
$_max_w = get_option( 'medium_size_w' );
$_max_h = get_option( 'medium_size_h' );
if ( !$_max_w && !$_max_h ) {
$_max_w = 300;
$_max_h = 300;
}
} elseif ( 'large' == $size ) {
$_max_w = get_option( 'large_size_w' );
$_max_h = get_option( 'large_size_h' );
} elseif ( is_array( $size ) ) {
$_max_w = $w = $size[0];
$_max_h = $h = $size[1];
} elseif ( ! empty( $_wp_additional_image_sizes[$size] ) ) {
$_max_w = $w = $_wp_additional_image_sizes[$size]['width'];
$_max_h = $h = $_wp_additional_image_sizes[$size]['height'];
$crop = $_wp_additional_image_sizes[$size]['crop'];
} elseif ( $content_width > 0 ) {
$_max_w = $content_width;
$_max_h = 0;
} else {
$_max_w = 1024;
$_max_h = 0;
}
// Constrain default image sizes to the theme's content width, if available.
if ( $content_width > 0 && in_array( $size, array( 'thumbnail', 'medium', 'large' ) ) )
$_max_w = min( $_max_w, $content_width );
$resized = false;
$img_url = wp_get_attachment_url( $id );
/**
* Filter the original image Photon-compatible parameters before changes are
*
* @param array|string $args Array of Photon-compatible arguments.
* @param string $img_url Image URL.
*/
$args = apply_filters( 'vip_go_image_resize_pre_args', $args, $img_url );
if ( ! $crop ) {
$imagedata = wp_get_attachment_metadata( $id );
if ( ! empty( $imagedata['width'] ) || ! empty( $imagedata['height'] ) ) {
$h = $imagedata['height'];
$w = $imagedata['width'];
list ($w, $h) = wp_constrain_dimensions( $w, $h, $_max_w, $_max_h );
if ( $w < $imagedata['width'] || $h < $imagedata['height'] )
$resized = true;
} else {
$w = $_max_w;
$h = $_max_h;
}
}
if ( $crop ) {
$constrain = false;
$imagedata = wp_get_attachment_metadata( $id );
if ( $imagedata ) {
$w = $imagedata['width'];
$h = $imagedata['height'];
}
if ( empty( $w ) )
$w = $_max_w;
if ( empty( $h ) )
$h = $_max_h;
// If the image width is bigger than the allowed max, scale it to match
if ( $w >= $_max_w )
$w = $_max_w;
else
$constrain = true;
// If the image height is bigger than the allowed max, scale it to match
if ( $h >= $_max_h )
$h = $_max_h;
else
$constrain = true;
if ( $constrain )
list( $w, $h ) = wp_constrain_dimensions( $w, $h, $_max_w, $_max_h );
$args['w'] = $w;
$args['h'] = $h;
$args['crop'] = '1';
$resized = true;
}
// we want users to be able to resize full size images with tinymce.
// the image_add_wh() filter will add the ?w= query string at display time.
elseif ( 'full' != $size ) {
$args['w'] = $w;
$resized = true;
}
if ( is_array( $args ) ) {
// Convert values that are arrays into strings
foreach ( $args as $arg => $value ) {
if ( is_array( $value ) ) {
$args[ $arg ] = implode( ',', $value );
}
}
// Encode values
// See http://core.trac.wordpress.org/ticket/17923
$args = rawurlencode_deep( $args );
}
$img_url = add_query_arg( $args, $img_url );
return array( $img_url, $w, $h, $resized );
}
/**
* Filter `cron_schedules` output
*
* Add a custom schedule for a 5 minute interval
*
* @param array $schedule
*
* @return mixed
*/
public function filter_cron_schedules( $schedule ) {
if ( isset( $schedule[ 'vip_five_minutes' ] ) ) {
return $schedule;
}
// Not actually five minutes; we want it to run faster though to get through everything.
$schedule['vip_five_minutes'] = [
'interval' => 180,
'display' => __( 'Once every 3 minutes, unlike what the slug says. Originally used to be 5 mins.' ),
];
return $schedule;
}
public function schedule_update_job() {
if ( get_option( self::OPT_ALL_FILESIZE_PROCESSED ) ) {
if ( wp_next_scheduled( self::CRON_EVENT_NAME ) ) {
wp_clear_scheduled_hook( self::CRON_EVENT_NAME );
}
return;
}
if (! wp_next_scheduled ( self::CRON_EVENT_NAME )) {
wp_schedule_event(time(), 'vip_five_minutes', self::CRON_EVENT_NAME );
}
add_action( self::CRON_EVENT_NAME, [ $this, 'update_attachment_meta' ] );
}
/**
* Cron job to update attachment metadata with file size
*/
public function update_attachment_meta() {
wpcom_vip_irc(
'#vip-go-filesize-updates',
sprintf( 'Starting %s on %s... $vip-go-streams-debug',
self::CRON_EVENT_NAME,
home_url() ),
5 );
if ( get_option( self::OPT_ALL_FILESIZE_PROCESSED ) ) {
// already done. Nothing to update
wpcom_vip_irc(
'#vip-go-filesize-updates',
sprintf( 'Already completed updates on %s. Exiting %s... $vip-go-streams-debug',
home_url(),
self::CRON_EVENT_NAME ),
5 );
return;
}
$batch_size = 3000;
if ( defined( 'VIP_FILESYSTEM_FILESIZE_UPDATE_BATCH_SIZE' ) ) {
$batch_size = (int) VIP_FILESYSTEM_FILESIZE_UPDATE_BATCH_SIZE;
}
$updater = new Meta_Updater( $batch_size );
$max_id = (int) get_option( self::OPT_MAX_POST_ID );
if ( ! $max_id ) {
$max_id = $updater->get_max_id();
update_option( self::OPT_MAX_POST_ID, $max_id, false );
}
$num_lookups = 0;
$max_lookups = 10;
$orig_start_index = $start_index = get_option( self::OPT_NEXT_FILESIZE_INDEX, 0 );
$end_index = $start_index + $batch_size;
do {
if ( $start_index > $max_id ) {
// This means all attachments have been processed so marking as done
update_option( self::OPT_ALL_FILESIZE_PROCESSED, 1 );
wpcom_vip_irc(
'#vip-go-filesize-updates',
sprintf( 'Passed max ID (%d) on %s. Exiting %s... $vip-go-streams-debug',
$max_id,
home_url(),
self::CRON_EVENT_NAME
),
5
);
return;
}
$attachments = $updater->get_attachments( $start_index, $end_index );
// Bump the next index in case the cron job dies before we've processed everything
update_option( self::OPT_NEXT_FILESIZE_INDEX, $start_index, false );
$start_index = $end_index + 1;
$end_index = $start_index + $batch_size;
// Avoid infinite loops
$num_lookups++;
if ( $num_lookups >= $max_lookups ) {
break;
}
} while ( empty( $attachments ) );
if ( $attachments ) {
$counts = $updater->update_attachments( $attachments );
}
// All done, update next index option
wpcom_vip_irc(
'#vip-go-filesize-updates',
sprintf( 'Batch %d to %d (of %d) completed on %s. Processed %d attachments (%s) $vip-go-streams-debug',
$orig_start_index, $start_index, $max_id, home_url(), count( $attachments ), json_encode( $counts ) ),
5
);
update_option( self::OPT_NEXT_FILESIZE_INDEX, $start_index, false );
}
}