File: /var/www/html/wp-content/plugins/wp-stateless/lib/classes/class-utility.php
<?php
/**
* Helper Functions List
*
* Can be called via Singleton. Since Singleton uses magic method __call().
* Example:
*
* Add Media to GS storage:
* ud_get_stateless_media()->add_media( false, $post_id );
*
* @class Utility
*/
namespace wpCloud\StatelessMedia {
use wpCloud\StatelessMedia\Sync\BackgroundSync;
use \Firebase\JWT\JWT;
use \Firebase\JWT\Key;
if (!class_exists('wpCloud\StatelessMedia\Utility')) {
class Utility {
static $can_delete_attachment = [];
/**
* ChromeLogger
*
* @author potanin@UD
* @param $data
*/
static public function log($data) {
if (!class_exists('wpCloud\StatelessMedia\Logger')) {
include_once(__DIR__ . '/class-logger.php');
}
if (!class_exists('wpCloud\StatelessMedia\Logger')) {
return;
}
if (defined('WP_STATELESS_CONSOLE_LOG') && WP_STATELESS_CONSOLE_LOG) {
Logger::log('[wp-stateless]', $data);
}
}
/**
* wp_normalize_path was added in 3.9.0
*
* @param $path
* @return mixed|string
*
*/
public static function normalize_path($path) {
if (function_exists('wp_normalize_path')) {
return wp_normalize_path($path);
}
$path = str_replace('\\', '/', $path);
$path = preg_replace('|/+|', '/', $path);
return $path;
}
/**
* Randomize file name
* @param $filename
* @return string
*/
public static function randomize_filename($filename) {
$return = apply_filters('stateless_skip_cache_busting', null, $filename);
if ($return) {
return $return;
}
if (preg_match('/^[a-f0-9]{8}-/', $filename)) {
return $filename;
}
$info = pathinfo($filename);
$ext = empty($info['extension']) ? '' : '' . $info['extension'];
$_parts = array();
$rand = substr(md5(time()), 0, 8);
if (strpos($info['filename'], '@')) {
$_cleanName = explode('@', $info['filename'])[0];
$_retna = explode('@', $info['filename'])[1];
$_parts[] = $rand;
$_parts[] = '-';
$_parts[] = strtolower($_cleanName);
$_parts[] = '@' . strtolower($_retna);
} else {
$_parts[] = $rand;
$_parts[] = '-';
$_parts[] = strtolower($info['filename']);
}
$filename = join('', $_parts);
if (!empty($ext)) {
$filename .= '.' . $ext;
}
return $filename;
}
/**
* Get Media Item Content Disposition
*
* @param null $attachment_id
* @param array $metadata
* @param array $data
* @return string
*/
public static function getContentDisposition($attachment_id = null, $metadata = array(), $data = array()) {
// return 'Content-Disposition: attachment; filename=some-file.sql';
return apply_filters('sm:item:contentDisposition', null, array('attachment_id' => $attachment_id, 'mime_type' => get_post_mime_type($attachment_id), 'metadata' => $metadata, 'data' => $data));
}
/**
* @param null $attachment_id
* @param array $metadata
* @param array $data
* @return string
*/
public static function getCacheControl($attachment_id = null, $metadata = array(), $data = array()) {
if (!$attachment_id) {
return apply_filters('sm:item:cacheControl', 'private, no-cache, no-store', $attachment_id, array('attachment_id' => null, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data));
}
$_mime_type = get_post_mime_type($attachment_id);
// Treat SQL as non-public.
if (strpos($_mime_type, 'sql') !== false) {
return apply_filters('sm:item:cacheControl', 'private, no-cache, no-store', array('attachment_id' => $attachment_id, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data));
}
// Treat all other files as public.
return apply_filters('sm:item:cacheControl', ud_get_stateless_media()->get_default_cache_control(), array('attachment_id' => $attachment_id, 'mime_type' => null, 'metadata' => $metadata, 'data' => $data));
}
/**
* Add/Update Media to Bucket
* Fired for every action with image add or update
*
* $force and $args params will no be passed on media library uploads.
* This two will be passed on by compatibility.
*
* @action wp_generate_attachment_metadata
* @author peshkov@UD
* @param $metadata
* @param $attachment_id
* @param boolean $force Whether to force the upload incase of it's already exists.
* @param array $args Whether to only sync the full size image.
* @return bool|string
*/
public static function add_media($metadata, $attachment_id, $force = false, $args = array()) {
$sm_mode = ud_get_stateless_media()->get('sm.mode');
$file = '';
$upload_dir = wp_upload_dir();
$args = wp_parse_args($args, array(
'is_webp' => '', // expected value ".webp";
));
/* Get metadata in case if method is called directly. */
if (current_filter() !== 'wp_generate_attachment_metadata' && current_filter() !== 'wp_update_attachment_metadata' && current_filter() !== 'intermediate_image_sizes_advanced') {
$metadata = wp_get_attachment_metadata($attachment_id);
}
// making sure meta data isn't null.
if (empty($metadata)) {
$metadata = array();
}
/**
* To skip the sync process.
*
* Returning a non-null value
* will effectively short-circuit the function.
*
* $force and $args params will no be passed on non media library uploads.
* This two will be passed on by compatibility.
*
* @since 2.2.4
*
* @param bool $value This should return true if want to skip the sync.
* @param int $metadata Metadata for the attachment.
* @param string $attachment_id Attachment ID.
* @param bool $force (optional) Whether to force the sync even the file already exist in GCS.
* @param bool $args (optional) Whether to only sync the full size image.
*/
$check = apply_filters('wp_stateless_skip_add_media', null, $metadata, $attachment_id, $force, $args);
$client = ud_get_stateless_media()->get_client();
if ((!is_wp_error($client) || ($sm_mode == 'stateless' && !wp_doing_ajax())) && !$check) {
$image_host = ud_get_stateless_media()->get_gs_host();
$bucketLink = apply_filters('wp_stateless_bucket_link', $image_host);
$fullsizepath = wp_normalize_path(get_attached_file($attachment_id));
$_cacheControl = self::getCacheControl($attachment_id, $metadata, null);
$_contentDisposition = self::getContentDisposition($attachment_id, $metadata, null);
// Ensure image upload to GCS when attachment is updated,
// by checking if the attachment metadata is changed.
if ($attachment_id && !empty($metadata) && !$force) {
$db_metadata = get_post_meta($attachment_id, '_wp_attachment_metadata', true);
if ($db_metadata != $metadata) {
$force = true;
}
}
/**
* To skip removing files from server
*
* Returning a non-null value
* will effectively short-circuit the function.
*
* $force and $args params will no be passed on non media library uploads.
* This two will be passed on by compatibility.
*
* @since 3.0
*
* @param bool $value This should return true if want to skip the sync.
* @param int $metadata Metadata for the attachment.
* @param string $attachment_id Attachment ID.
* @param bool $force (optional) Whether to force the sync even the file already exist in GCS.
* @param bool $args (optional) Whether to only sync the full size image.
*/
$skip_remove_media = apply_filters('wp_stateless_skip_remove_media', false, $metadata, $attachment_id, $force, $args);
// Make non-images uploadable.
// empty $metadata['file'] can cause problem, so we need to generate it.
if (empty($metadata['file']) && $attachment_id) {
$mime_type = get_post_mime_type($attachment_id);
$file = str_replace(wp_normalize_path(trailingslashit($upload_dir['basedir'])), '', $fullsizepath);
// We shouldn't create $metadata["file"] if it's PDF file.
if ($mime_type != "application/pdf") {
$metadata["file"] = $file;
}
}
$cloud_meta = apply_filters('wp_stateless_get_file', [], $attachment_id, true);
$cloud_meta = wp_parse_args($cloud_meta, array(
'name' => '',
'bucket' => ud_get_stateless_media()->get('sm.bucket'),
'fileLink' => '',
'mediaLink' => '',
'cacheControl' => $_cacheControl,
'contentDisposition' => $_contentDisposition,
'sizes' => array(),
));
/**
* Storing file size to sm_cloud first,
* Because assigning directly to $metadata['filesize'] don't work.
* Maybe filesize gets removed in first run (when file exists).
*/
if (file_exists($fullsizepath)) {
$cloud_meta['filesize'] = filesize($fullsizepath);
}
// Getting file size from sm_cloud.
if (!empty($cloud_meta['filesize'])) {
$metadata['filesize'] = $cloud_meta['filesize'];
}
$image_sizes = self::get_path_and_url($metadata, $attachment_id);
foreach ($image_sizes as $size => $img) {
if ((isset($_REQUEST['size']) && $_REQUEST['size'] == $size) || empty($_REQUEST['size'])) {
// GCS metadata
$_metadata = array(
"width" => $img['width'],
"height" => $img['height'],
'child-of' => $attachment_id,
'file-hash' => md5($file),
'size' => $size,
);
// adding extra GCS meta for full size image.
if (!$img['is_thumb']) {
unset($_metadata['child-of']); // no need in full size image.
$_metadata['object-id'] = $attachment_id;
$_metadata['source-id'] = md5($attachment_id . ud_get_stateless_media()->get('sm.bucket'));
}
$media_args = array_filter(array(
'force' => $force,
'name' => $img['gs_name'],
'is_webp' => $args['is_webp'],
'mimeType' => $img['mime_type'],
'metadata' => $_metadata,
'absolutePath' => $img['path'],
'cacheControl' => $_cacheControl,
'contentDisposition' => $_contentDisposition,
));
if ($sm_mode == 'stateless' && !wp_doing_ajax() && !wp_doing_cron()
|| ($sm_mode == 'stateless' && wp_doing_ajax()) ) {
global $gs_client;
$media_args = wp_parse_args($media_args, array(
'use_root' => true,
'force' => false,
'name' => false,
'absolutePath' => false,
'mimeType' => 'image/jpeg',
'metadata' => array(),
'is_webp' => '',
));
$media_args = apply_filters('wp_stateless_add_media_args', $media_args);
//Bucket
$bucket = ud_get_stateless_media()->get('sm.bucket');
$bucket = $gs_client->bucket($bucket);
$object = $bucket->object($media_args['name']);
/**
* Updating object metadata, ACL, CacheControl and contentDisposition
* @return media object
*/
try {
$mediaOptions = array(
'cacheControl' => $_cacheControl,
'contentDisposition' => $_contentDisposition
);
if ( !defined('WP_STATELESS_SKIP_ACL_SET') || !WP_STATELESS_SKIP_ACL_SET) {
$mediaOptions['predefinedAcl'] = 'publicRead';
}
$media = $object->update(array('metadata' => $media_args['metadata']) + $mediaOptions);
$cloud_meta = self::generate_cloud_meta($cloud_meta, $media, $size, $img, $bucketLink);
} catch (\Throwable $th) {
//throw $th;
}
} else {
/* Add default image */
$media = $client->add_media($media_args);
/* Break if we have errors. */
if (!is_wp_error($media)) {
// @note We don't add storageClass because it's same as parent...
$cloud_meta = self::generate_cloud_meta($cloud_meta, $media, $size, $img, $bucketLink);
/**
* Ephemeral and stateless mode: we don't need the local version.
* Except when uploading the full size image first.
*/
if (self::can_delete_attachment($attachment_id, $args) && !$skip_remove_media) {
@unlink($img['path']);
}
}
}
}
}
// End of image sync loop
if (!$args['is_webp']) {
update_post_meta($attachment_id, 'sm_cloud', $cloud_meta);
}
/**
* Triggers when the media and it's thumbs are synced.
*
* $force and $args params will no be passed on non media library uploads.
* This two will be passed on by compatibility.
*
* @since 2.2.5
*
* @param int $metadata Metadata for the attachment.
* @param string $attachment_id Attachment ID.
* @param bool $force (optional) Whether to force the sync even the file already exist in GCS.
* @param bool $args (optional) Whether to only sync the full size image.
*/
$metadata = apply_filters('wp_stateless_media_synced', $metadata, $attachment_id, $force, $args);
}
return $metadata;
}
/**
* Remove Media from Bucket by post ID
* Fired on calling function wp_delete_attachment()
*
* @todo: add error logging. peshkov@UD
* @see wp_delete_attachment()
* @action delete_attachment
* @author peshkov@UD
* @param $post_id
*/
public static function remove_media($post_id) {
/* Get attachments metadata */
$metadata = wp_get_attachment_metadata($post_id);
/* Be sure we have the same bucket in settings and have GS object's name before proceed. */
if (isset($metadata['gs_name']) && isset($metadata['gs_bucket']) && $metadata['gs_bucket'] == ud_get_stateless_media()->get('sm.bucket')) {
$client = ud_get_stateless_media()->get_client();
if (!is_wp_error($client)) {
/* Remove default image */
$client->remove_media($metadata['gs_name'], $post_id);
$client->remove_media(get_attached_file($post_id), $post_id);
// Remove webp
$client->remove_media($metadata['gs_name'] . '.webp', $post_id, true, "", true);
/* Now, go through all sizes and remove 'image sizes' images from Bucket too. */
if (!empty($metadata['sizes']) && is_array($metadata['sizes'])) {
foreach ($metadata['sizes'] as $k => $v) {
if (!empty($v['gs_name'])) {
$client->remove_media($v['gs_name'], $post_id, true, $k);
$client->remove_media($v['gs_name'] . '.webp', $post_id, true, $k, true);
}
}
}
}
}
}
/**
* Return URL and path for all image sizes of a attachment.
* @param $metadata
* @param $attachment_id
* @return mixed
*/
public static function get_path_and_url($metadata, $attachment_id) {
/* Get metadata in case if method is called directly. */
if (empty($metadata) && current_filter() !== 'wp_generate_attachment_metadata' && current_filter() !== 'wp_update_attachment_metadata') {
$metadata = wp_get_attachment_metadata($attachment_id);
}
$gs_name_path = array();
$full_size_path = get_attached_file($attachment_id);
$base_dir = dirname($full_size_path);
$gs_name = apply_filters('wp_stateless_file_name', $full_size_path, true, $attachment_id, '');
$gs_base_dir = dirname($gs_name) == '.' ? '' : trailingslashit(dirname($gs_name));
if (!isset($metadata['width']) && file_exists($full_size_path)) {
try {
$_image_size = getimagesize($full_size_path);
if ($_image_size !== false && is_array($_image_size)) {
$metadata['width'] = $_image_size[0];
$metadata['height'] = $_image_size[1];
}
} catch (\Exception $e) {
// lets do nothing.
}
}
$gs_name_path['__full'] = array(
'gs_name' => $gs_name,
'path' => $full_size_path,
'sm_meta' => true,
'is_thumb' => false,
'mime_type' => get_post_mime_type($attachment_id),
'width' => isset($metadata['width']) ? $metadata['width'] : null,
'height' => isset($metadata['height']) ? $metadata['height'] : null,
);
/* Now we go through all available image sizes and upload them to Google Storage */
if (!empty($metadata['sizes']) && is_array($metadata['sizes'])) {
foreach ($metadata['sizes'] as $image_size => $data) {
if (empty($data['file'])) continue;
$absolutePath = wp_normalize_path($base_dir . '/' . $data['file']);
$gs_name = $gs_base_dir . $data['file'];
$gs_name = apply_filters('wp_stateless_file_name', $gs_name, true, $attachment_id, $image_size);
$gs_name_path[$image_size] = array(
'gs_name' => $gs_name,
'path' => $absolutePath,
'sm_meta' => true,
'is_thumb' => true,
'mime_type' => $data['mime-type'],
'width' => $data['width'],
'height' => $data['height'],
);
}
}
return apply_filters('wp_stateless_get_path_and_url', $gs_name_path, $metadata, $attachment_id);
}
/**
* Return URL and path for all image sizes of a attachment.
* @param $cloud_meta
* @param $media
* @param $image_size
* @param $img
* @param $bucketLink
* @return mixed
*/
public static function generate_cloud_meta($cloud_meta, $media, $image_size, $img, $bucketLink) {
$gs_name = !empty($media['name']) ? $media['name'] : $img['gs_name'];
$fileLink = trailingslashit($bucketLink) . $gs_name;
$version = get_option('wp_sm_version', false);
if ($img['is_thumb']) {
// Cloud meta for thumbs.
$cloud_meta['sizes'][$image_size]['name'] = $gs_name;
$cloud_meta['sizes'][$image_size]['fileLink'] = $fileLink;
$cloud_meta['sizes'][$image_size]['mediaLink'] = $media['mediaLink'];
$cloud_meta['sizes'][$image_size]['width'] = ($media['metadata']['width']) ? $media['metadata']['width'] : $img['width'];
$cloud_meta['sizes'][$image_size]['height'] = ($media['metadata']['height']) ? $media['metadata']['height'] : $img['height'];
} else {
// cloud meta for full size image.
$cloud_meta['name'] = $gs_name;
$cloud_meta['fileLink'] = $fileLink;
$cloud_meta['mediaLink'] = $media['mediaLink'];
$cloud_meta['width'] = isset($media['metadata']['width']) ? $media['metadata']['width'] : ($img['width'] ? $img['width'] : 0);
$cloud_meta['height'] = isset($media['metadata']['height']) ? $media['metadata']['height'] : ($img['height'] ? $img['height'] : 0);
$cloud_meta['bucket'] = ud_get_stateless_media()->get('sm.bucket');
$cloud_meta['sm_version'] = $version;
}
return apply_filters('wp_stateless_generate_cloud_meta', $cloud_meta, $media, $image_size, $img, $bucketLink);
}
/**
* join_url
*
* @param array $parts
* @param boolean $encode
* @return string $url
*/
public static function join_url($parts, $encode = TRUE) {
if ($encode) {
if (isset($parts['user']))
$parts['user'] = rawurlencode($parts['user']);
if (isset($parts['pass']))
$parts['pass'] = rawurlencode($parts['pass']);
if (
isset($parts['host']) &&
!preg_match('!^(\[[\da-f.:]+\]])|([\da-f.:]+)$!ui', $parts['host'])
)
$parts['host'] = rawurlencode($parts['host']);
if (!empty($parts['path']))
$parts['path'] = preg_replace(
'!%2F!ui',
'/',
rawurlencode($parts['path'])
);
if (isset($parts['query']))
$parts['query'] = rawurlencode($parts['query']);
if (isset($parts['fragment']))
$parts['fragment'] = rawurlencode($parts['fragment']);
}
$url = '';
if (!empty($parts['scheme']))
$url .= $parts['scheme'] . ':';
if (isset($parts['host'])) {
$url .= '//';
if (isset($parts['user'])) {
$url .= $parts['user'];
if (isset($parts['pass']))
$url .= ':' . $parts['pass'];
$url .= '@';
}
if (preg_match('!^[\da-f]*:[\da-f.:]+$!ui', $parts['host']))
$url .= '[' . $parts['host'] . ']'; // IPv6
else
$url .= $parts['host']; // IPv4 or name
if (isset($parts['port']))
$url .= ':' . $parts['port'];
if (!empty($parts['path']) && $parts['path'][0] != '/')
$url .= '/';
}
if (!empty($parts['path']))
$url .= $parts['path'];
if (isset($parts['query']))
$url .= '?' . $parts['query'];
if (isset($parts['fragment']))
$url .= '#' . $parts['fragment'];
return $url;
}
/**
* add_webp_mime
* @param $t
* @param $user
* @return mixed
*/
public function add_webp_mime($t, $user) {
$t['webp'] = 'image/webp';
return $t;
}
/**
* Store attachment id in a static variable on 'intermediate_image_sizes_advanced' filter.
* To indicate that we can now delete attachment from server now.
*
* @param array $new_sizes
* @param array $image_meta
* @param int $attachment_id
* @return array $new_sizes
*/
public static function store_can_delete_attachment($new_sizes, $image_meta, $attachment_id) {
if (!in_array($attachment_id, self::$can_delete_attachment)) {
self::$can_delete_attachment[] = $attachment_id;
}
return $new_sizes;
}
/**
* Check whether to delete attachment from server or not.
*
* @param int $attachment_id
* @param array $args
* @return boolean
*/
public static function can_delete_attachment($attachment_id, $args) {
$sm_mode = ud_get_stateless_media()->get('sm.mode');
if (in_array($sm_mode, array('ephemeral', 'stateless'))) {
// checks whether it's WP 5.3 and 'intermediate_image_sizes_advanced' is passed.
// To be sure that we don't delete full size image before thumbnails are generated.
if (
wp_attachment_is_image($attachment_id) &&
function_exists('is_wp_version_compatible') &&
is_wp_version_compatible('5.3-RC4-46673') &&
!in_array($attachment_id, self::$can_delete_attachment)
) {
return false;
}
return true;
}
return false;
}
/**
* Useful when there is a need to do things depending on a call stack.
* Returns true if any of the conditions met. Returns false otherwise.
*
* @param $callstack array Result of debug_backtrace function.
* @param $conditions array CallStack fingerprint with `stack_level` integer.
*
* Example:
* array(
* array(
* 'stack_level' => 4,
* 'function' => '__construct',
* 'class' => 'ET_Core_PageResource'
* ),
* array(
* 'stack_level' => 4,
* 'function' => 'get_cache_filename',
* 'class' => 'ET_Builder_Element'
* )
* )
*
* @return bool
*/
public static function isCallStackMatches($callstack, $conditions) {
if (!is_array($conditions)) {
$conditions = array($conditions);
}
foreach ($conditions as $condition) {
$condition['stack_level'] = $condition['stack_level'] ? $condition['stack_level'] : 0;
$levelData = $callstack[$condition['stack_level']];
unset($condition['stack_level']);
$levelMatches = false;
foreach ($condition as $key => $value) {
if (isset($levelData[$key]) && $levelData[$key] === $value) {
$levelMatches = true;
} else {
$levelMatches = false;
}
}
if ($levelMatches) return true;
}
return false;
}
/**
* Fail over to image URL if not found on disk
* In case image not available on both local and bucket
* try to pull image from image URL in case it is accessible by some sort of proxy.
*
* @param:
* $url (int/string): URL of the image.
* $save_to (string): Path where to save the image.
*
* @return bool|int
* @throws \Exception
*/
public static function sync_get_attachment_if_exist($url, $save_to) {
if (is_int($url)) $url = wp_get_attachment_url($url);
$response = wp_remote_get($url);
if (!is_wp_error($response) && is_array($response)) {
if (!empty($response['response']['code']) && $response['response']['code'] == 200) {
try {
if (wp_mkdir_p(dirname($save_to))) {
return file_put_contents($save_to, $response['body']);
}
} catch (\Exception $e) {
throw $e;
}
}
}
return false;
}
/**
* Generate JWT token signed by current site AUTH_SALT
* If no AUTH_SALT defined - admin email used
*
* @param $payload
* @param int $ttl
* @return string
*/
public static function generate_jwt_token($payload, $ttl = 3600) {
$payload = wp_parse_args($payload, [
'iat' => $now = time(),
'iss' => $site_url = get_site_url(),
'aud' => $site_url,
'exp' => $now + $ttl
]);
$key = defined('AUTH_SALT') && !empty(AUTH_SALT) ? AUTH_SALT : get_option('admin_email');
return JWT::encode($payload, $key, 'HS256');
}
/**
* Verify and decode token
* If no AUTH_SALT defined - admin email used
* Throws exceptions if cannot decode
*
* @param $token
* @return object
* @throws \Exception
*/
public static function verify_jwt_token($token) {
$key = defined('AUTH_SALT') ? AUTH_SALT : get_option('admin_email');
return JWT::decode($token, new Key($key, 'HS256'));
}
/**
* Generate auth token for wizard iframe
*
* @param int $ttl
* @return string
*/
public static function generate_wizard_auth_token($ttl = 3600) {
$payload = [
'is_network' => is_network_admin(),
'user_id' => get_current_user_id()
];
return self::generate_jwt_token($payload, $ttl);
}
/**
* Maps a file extensions to a mimetype.
*
* @param $extension string The file extension.
*
* @return string|null
* @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
*/
public static function mimetype_from_extension($extension) {
$file_type = wp_check_filetype($extension);
if (!empty($file_type['type'])) {
return $file_type['type'];
}
static $mimetypes = [
'7z' => 'application/x-7z-compressed',
'aac' => 'audio/x-aac',
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'asc' => 'text/plain',
'asf' => 'video/x-ms-asf',
'atom' => 'application/atom+xml',
'avi' => 'video/x-msvideo',
'bmp' => 'image/bmp',
'bz2' => 'application/x-bzip2',
'cer' => 'application/pkix-cert',
'crl' => 'application/pkix-crl',
'crt' => 'application/x-x509-ca-cert',
'css' => 'text/css',
'csv' => 'text/csv',
'cu' => 'application/cu-seeme',
'deb' => 'application/x-debian-package',
'doc' => 'application/msword',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dvi' => 'application/x-dvi',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'epub' => 'application/epub+zip',
'etx' => 'text/x-setext',
'flac' => 'audio/flac',
'flv' => 'video/x-flv',
'gif' => 'image/gif',
'gz' => 'application/gzip',
'htm' => 'text/html',
'html' => 'text/html',
'ico' => 'image/x-icon',
'ics' => 'text/calendar',
'ini' => 'text/plain',
'iso' => 'application/x-iso9660-image',
'jar' => 'application/java-archive',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'js' => 'text/javascript',
'json' => 'application/json',
'latex' => 'application/x-latex',
'log' => 'text/plain',
'm4a' => 'audio/mp4',
'm4v' => 'video/mp4',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mov' => 'video/quicktime',
'mp3' => 'audio/mpeg',
'mp4' => 'video/mp4',
'mp4a' => 'audio/mp4',
'mp4v' => 'video/mp4',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpg4' => 'video/mp4',
'oga' => 'audio/ogg',
'ogg' => 'audio/ogg',
'ogv' => 'video/ogg',
'ogx' => 'application/ogg',
'pbm' => 'image/x-portable-bitmap',
'pdf' => 'application/pdf',
'pgm' => 'image/x-portable-graymap',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'ppm' => 'image/x-portable-pixmap',
'ppt' => 'application/vnd.ms-powerpoint',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'ps' => 'application/postscript',
'qt' => 'video/quicktime',
'rar' => 'application/x-rar-compressed',
'ras' => 'image/x-cmu-raster',
'rss' => 'application/rss+xml',
'rtf' => 'application/rtf',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'svg' => 'image/svg+xml',
'swf' => 'application/x-shockwave-flash',
'tar' => 'application/x-tar',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'torrent' => 'application/x-bittorrent',
'ttf' => 'application/x-font-ttf',
'txt' => 'text/plain',
'wav' => 'audio/x-wav',
'webm' => 'video/webm',
'webp' => 'image/webp',
'wma' => 'audio/x-ms-wma',
'wmv' => 'video/x-ms-wmv',
'woff' => 'application/x-font-woff',
'wsdl' => 'application/wsdl+xml',
'xbm' => 'image/x-xbitmap',
'xls' => 'application/vnd.ms-excel',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xml' => 'application/xml',
'xpm' => 'image/x-xpixmap',
'xwd' => 'image/x-xwindowdump',
'yaml' => 'text/yaml',
'yml' => 'text/yaml',
'zip' => 'application/zip',
];
$extension = strtolower($extension);
return isset($mimetypes[$extension]) ? $mimetypes[$extension] : false;
}
/**
* @param $size
* @return float|int
*/
public static function convert_to_byte($size) {
$lastCharacter = \substr($size, -1);
$base = \strtoupper($lastCharacter);
if (!\ctype_digit($lastCharacter)) {
switch ($base) {
case 'B':
$size = (int) $size;
break;
case 'K':
$size = (int) $size * 1024;
break;
case 'M':
$size = (int) $size * pow(1024, 2);
break;
case 'G':
$size = (int) $size * pow(1024, 3);
break;
}
}
return $size;
}
/**
* Get stateless data, count of stateless media
* @return mixed
*/
public static function get_stateless_media_data_count() {
global $wpdb;
if ( !ud_get_stateless_media()->get('sm.use_postmeta') ) {
try {
return ud_stateless_db()->get_total_files();
} catch (\Throwable $th) {
}
}
$stateless_media = $wpdb->get_var($wpdb->prepare("
SELECT COUNT(meta_id)
FROM " . $wpdb->postmeta . "
WHERE meta_key = %s
", 'sm_cloud'));
return $stateless_media;
}
/**
* Get a list of instances of all available sync methods
*/
public static function get_available_sync_classes() {
return array_filter(array_map(function ($class) {
if (class_exists($class)) {
try {
$class = $class::instance();
if (is_a($class, BackgroundSync::class)) {
return $class;
}
return null;
} catch (\Throwable $e) {
error_log($e->getMessage());
return null;
}
}
return null;
}, apply_filters('wp_stateless_sync_types', [])));
}
/**
* Process single image attachment by id
*
* @param mixed $id Attachment ID
* @return \WP_Post
* @throws FatalException
* @throws UnprocessableException
*/
public static function process_image_by_id($id) {
if (ud_get_stateless_media()->is_connected_to_gs() !== true) {
throw new FatalException(__('Not connected to GCS', ud_get_stateless_media()->domain));
}
$image = get_post($id);
if (!$image || 'attachment' != $image->post_type || 'image/' != substr($image->post_mime_type, 0, 6))
throw new UnprocessableException(sprintf(__('Failed to process item: %s is an invalid image ID.', ud_get_stateless_media()->domain), $id));
$fullsizepath = get_attached_file($image->ID);
// If no file found
if (false === $fullsizepath || !file_exists($fullsizepath)) {
// Try get it and save
$result_code = ud_get_stateless_media()->get_client()->get_media(apply_filters('wp_stateless_file_name', $fullsizepath, true, "", ""), true, $fullsizepath);
if ($result_code !== 200) {
if (!Utility::sync_get_attachment_if_exist($image->ID, $fullsizepath)) {
throw new UnprocessableException(sprintf(__('Both local and remote files are missing. Unable to process. (%s)', ud_get_stateless_media()->domain), $image->guid));
}
}
}
do_action('sm:pre::synced::image', $id);
if (!function_exists('wp_generate_attachment_metadata')) {
require_once ABSPATH . '/wp-admin/includes/image.php';
}
$metadata = wp_generate_attachment_metadata($image->ID, $fullsizepath);
if (get_post_mime_type($image->ID) !== 'image/svg+xml') {
if (is_wp_error($metadata)) {
throw new UnprocessableException($metadata->get_error_message());
}
if (empty($metadata)) {
throw new UnprocessableException(sprintf(__('No metadata generated for %1$s (ID %2$s).', ud_get_stateless_media()->domain), esc_html(get_the_title($image->ID)), $image->ID));
}
}
// trigger processing filters
wp_update_attachment_metadata($image->ID, $metadata);
do_action('sm:synced::image', $id, $metadata);
return $image;
}
/**
* Process single attachment file by id
*
* @param mixed $id Attachment ID
* @return \WP_Post
* @throws FatalException
* @throws UnprocessableException
*/
public static function process_file_by_id($id) {
if (ud_get_stateless_media()->is_connected_to_gs() !== true) {
throw new FatalException(__('Not connected to GCS', ud_get_stateless_media()->domain));
}
$file = get_post($id);
if (!$file || 'attachment' != $file->post_type) {
throw new UnprocessableException(sprintf(__('Attachment not found: %s is an invalid file ID.', ud_get_stateless_media()->domain), $id));
}
$fullsizepath = get_attached_file($file->ID);
$local_file_exists = file_exists($fullsizepath);
if (false === $fullsizepath || !$local_file_exists) {
// Try get it and save
$result_code = ud_get_stateless_media()->get_client()->get_media(apply_filters('wp_stateless_file_name', $fullsizepath, true, "", ""), true, $fullsizepath);
if ($result_code !== 200) {
if (!Utility::sync_get_attachment_if_exist($file->ID, $fullsizepath)) { // Save file to local from proxy.
throw new UnprocessableException(sprintf(__('File not found (%s)', ud_get_stateless_media()->domain), $file->guid));
} else {
$local_file_exists = true;
}
} else {
$local_file_exists = true;
}
}
if ($local_file_exists) {
if (!ud_get_stateless_media()->get_client()->media_exists(apply_filters('wp_stateless_file_name', $fullsizepath, true, "", ""))) {
if (!function_exists('wp_generate_attachment_metadata')) {
require_once ABSPATH . '/wp-admin/includes/media.php';
require_once ABSPATH . '/wp-admin/includes/image.php';
}
$metadata = wp_generate_attachment_metadata($file->ID, $fullsizepath);
if (is_wp_error($metadata)) {
throw new UnprocessableException($metadata->get_error_message());
}
wp_update_attachment_metadata($file->ID, $metadata);
do_action('sm:synced::nonImage', $id, $metadata);
} else {
// Ephemeral and Stateless modes: we don't need the local version.
if (ud_get_stateless_media()->get('sm.mode') === 'ephemeral' || ud_get_stateless_media()->get('sm.mode') === 'stateless') {
@unlink($fullsizepath);
$metadata = wp_get_attachment_metadata($file->ID);
/**
* removing thumbnails
* https://github.com/udx/wp-stateless/issues/577
*/
if (!empty($metadata['sizes'])) {
$base_dir = dirname($fullsizepath);
foreach ($metadata['sizes'] as $image_size => $data) {
$gs_name = $base_dir . '/' . $data['file'];
if (file_exists($gs_name)) {
@unlink($gs_name);
}
}
}
}
}
}
return $file;
}
/**
* Return list of files in a dir.
* @param string $dir: Directory path
* @return array - Lists of files in the directory and subdirectory.
*/
public static function get_files($dir) {
$return = array();
if (is_dir($dir) && $dh = opendir($dir)) {
while ($file = readdir($dh)) {
if ($file != '.' && $file != '..') {
if (is_dir($dir . $file)) {
// since it is a directory we recursively get files.
$arr = self::get_files($dir . $file . '/');
$return = array_merge($return, $arr);
} else {
$return[] = $dir . $file;
}
}
}
closedir($dh);
}
return $return;
}
}
}
}