File: /www/wwwroot/softfox.com.cn/wp-content/plugins/wpjam-basic/components/wpjam-cdn.php
<?php
/*
Name: CDN 加速
URI: https://mp.weixin.qq.com/s/bie4JkmExgULgvEgx-AjUw
Description: CDN 加速使用云存储对博客的静态资源进行 CDN 加速。
Version: 2.0
*/
class WPJAM_CDN extends WPJAM_Option_Model{
public static function get_sections(){
$cdn_fields = array_merge(WPJAM_CDN_Type::get_setting_fields(['name'=>'cdn_name', 'title'=>'云存储']), [
'host' => ['title'=>'CDN 域名', 'type'=>'url', 'show_if'=>self::show_if('', '!='), 'description'=>'设置为在CDN云存储绑定的域名。'],
'disabled' => ['title'=>'使用本站', 'type'=>'checkbox', 'show_if'=>self::show_if(''), 'label'=>'如使用 CDN 之后切换回使用本站图片，请勾选该选项，并将原 CDN 域名填回「本地设置」的「额外域名」中。'],
'image' => ['title'=>'图片处理', 'type'=>'checkbox', 'show_if'=>self::show_if(['aliyun_oss', 'volc_imagex', 'qcloud_cos', 'qiniu']), 'value'=>1, 'label'=>'开启云存储图片处理功能，使用云存储进行裁图、添加水印等操作。<br /> <strong>*</strong> 注意：开启之后，文章和媒体库中的所有图片都会镜像到云存储。'],
]);
foreach(['aliyun_oss', 'volc_imagex', 'qcloud_cos'] as $type){
$cdn_fields[$type.'_guide'] = self::get_guide_field($type);
}
$local_fields = [
'local' => ['title'=>'本地域名', 'type'=>'fieldset', 'fields'=>[
'local' => ['type'=>'url', 'description'=>'并将该域名填入<strong>云存储的镜像源</strong>', 'value'=>home_url()],
'no_http' => ['type'=>'checkbox', 'label'=>'将无<code>http://</code>或<code>https://</code>的静态资源也进行镜像处理'],
]],
'exts' => ['title'=>'扩展名', 'type'=>'fieldset', 'fields'=>[
'img_exts' => ['type'=>'checkbox', 'label'=>'支持所有图片扩展名'],
'exts' => ['type'=>'mu-text', 'button_text'=>'添加扩展名', 'direction'=>'row', 'sortable'=>false, 'description'=>'镜像到云存储的静态文件扩展名'],
]],
'dirs' => ['title'=>'目录', 'type'=>'mu-text', 'direction'=>'row', 'sortable'=>false, 'style'=>'width:120px;', 'value'=>['wp-content','wp-includes'], 'description'=>'镜像到云存储的静态文件所在目录'],
'locals' => ['title'=>'额外域名', 'type'=>'mu-text', 'item_type'=>'url'],
];
$sections = [
'cdn' => ['title'=>'云存储设置', 'fields'=>$cdn_fields],
'local' => ['title'=>'本地设置', 'fields'=>$local_fields],
];
if(is_network_admin()){
unset($sections['local']['fields']['local']);
}else{
$remote_fields = [];
$remote_summary = '';
if(!wpjam_basic_get_setting('upload_external_images')){
if(!is_multisite() && $GLOBALS['wp_rewrite']->using_mod_rewrite_permalinks() && extension_loaded('gd')){
$remote_options = [
'' =>'关闭外部图片镜像到云存储',
'1' =>'自动将外部图片镜像到云存储（不推荐）'
];
$remote_summary = '*自动将外部图片镜像到云存储需要博客支持固定链接和服务器支持GD库（不支持gif图片）';
$remote_fields['remote'] = ['title'=>'外部图片', 'type'=>'select', 'options'=>$remote_options];
}else{
$remote_fields['external'] = ['title'=>'外部图片', 'type'=>'view', 'value'=>'请先到「文章设置」中开启「支持在文章列表页上传外部图片」'];
}
}else{
$remote_fields['external'] = ['title'=>'外部图片', 'type'=>'view', 'value'=>'已在「文章设置」中开启「支持在文章列表页上传外部图片」'];
}
$remote_fields['exceptions'] = ['title'=>'例外', 'type'=>'textarea', 'class'=>'', 'description'=>'如果外部图片的链接中包含以上字符串或域名，就不会被保存并镜像到云存储。'];
$wm_options = [
'SouthEast' => '右下角',
'SouthWest' => '左下角',
'NorthEast' => '右上角',
'NorthWest' => '左上角',
'Center' => '正中间',
'West' => '左中间',
'East' => '右中间',
'North' => '上中间',
'South' => '下中间',
];
$wm_fields = ['title'=>'水印设置', 'type'=>'fieldset', 'show_if'=>self::show_if('volc_imagex','!='), 'fields'=>[
'view' => ['type'=>'view', 'title'=>'使用说明：', 'value'=>'请使用云存储域名下的图片，水印设置仅应用于文章内容中的图片'],
'watermark' => ['type'=>'image', 'title'=>'水印图片：'],
'dissolve' => ['type'=>'number', 'title'=>'透明度：', 'class'=>'small-text', 'description'=>'1-100，默认100（不透明）', 'min'=>0, 'max'=>100],
'gravity' => ['type'=>'select', 'title'=>'水印位置：', 'options'=>$wm_options],
'd_size' => ['type'=>'fields', 'title'=>'水印边距：', 'fields_type'=>'size', 'fields'=>[
'width' => ['key'=>'dx', 'value'=>10],
'height' => ['key'=>'dy', 'value'=>10],
]],
'wm_size' => ['type'=>'fields', 'title'=>'最小尺寸：', 'fields_type'=>'size', 'show_if'=>self::show_if(['aliyun_oss', 'qcloud_cos']), 'description'=>'小于该尺寸的图片都不会加上水印', 'fields'=>[
'width' => ['key'=>'wm_width'],
'height' => ['key'=>'wm_height'],
]]
]];
$max_width = $GLOBALS['content_width'] ?? 0;
$image_fields = [
'thumb_set' => ['title'=>'缩图设置', 'type'=>'fieldset', 'fields'=>[
'no_subsizes' => ['type'=>'checkbox', 'value'=>1, 'label'=>'云存储有更强大的缩图功能，本地不再生成各种尺寸的缩略图。'],
'thumbnail' => ['type'=>'checkbox', 'value'=>1, 'label'=>'使用云存储缩图功能对文章中的图片进行最佳尺寸显示处理。'],
'max_width' => ['type'=>'number', 'value'=>$max_width, 'before'=>'文章中图片最大宽度：', 'show_if'=>['key'=>'thumbnail', 'value'=>1], 'class'=>'small-text', 'after'=>'px。']
]],
'webp' => ['title'=>'WebP 格式', 'type'=>'checkbox', 'label'=>'将图片转换成 WebP 格式。', 'show_if'=>self::show_if(['volc_imagex', 'aliyun_oss', 'qcloud_cos'])],
'image_set' => ['title'=>'格式质量', 'type'=>'fieldset', 'show_if'=>self::show_if('volc_imagex','!='), 'fields'=>[
'interlace' => ['type'=>'checkbox', 'label'=>'JPEG格式图片渐进显示。'],
'quality' => ['type'=>'number', 'before'=>'图片质量：', 'class'=>'small-text', 'mim'=>0, 'max'=>100]
]],
'wm_set' => $wm_fields,
'volc_imagex_template' => ['title'=>'火山引擎图片处理模板', 'type'=>'text', 'show_if'=>self::show_if('volc_imagex')]
];
$sections += [
'image' => ['title'=>'图片设置', 'fields'=>$image_fields, 'show_if'=>['key'=>'image', 'compare'=>'=', 'value'=>1]],
'remote' => ['title'=>'外部图片', 'fields'=>$remote_fields, 'show_if'=>self::show_if('', '!='), 'summary'=>$remote_summary],
];
}
return $sections;
}
public static function get_guide_field($type){
$guides = [
'aliyun_oss' => '请点击这里注册和申请<strong><a href="http://wpjam.com/go/aliyun/" target="_blank">阿里云</a></strong>可获得代金券，点击这里查看<strong><a href="https://blog.wpjam.com/m/aliyun-oss-cdn/" target="_blank">阿里云OSS详细使用指南</a></strong>。',
'qcloud_cos' => '请点击这里注册和申请<strong><a href="http://wpjam.com/go/qcloud/" target="_blank">腾讯云</a></strong>可获得优惠券，点击这里查看<strong><a href="https://blog.wpjam.com/m/qcloud-cos-cdn/" target="_blank">腾讯云COS详细使用指南</a></strong>。',
'volc_imagex' => '使用邀请码 <strong>CLEMNL</strong> 注册和申请<strong><a href="https://wpjam.com/go/volc-imagex" target="_blank">火山引擎</a></strong>，可以领取每月免费额度（10GB流量和10GB存储等），<br />以及HTTPS 访问免费和回源流量免费，点击这里查看<strong><a href="http://blog.wpjam.com/m/volc-veimagex/" target="_blank">火山引擎 veImageX 详细使用指南</a></strong>。'
];
return ['title'=>'使用说明', 'type'=>'view', 'value'=>$guides[$type], 'show_if'=>self::show_if($type)];
}
public static function show_if($value, $compare=null){
$compare = $compare ?? (is_array($value) ? 'IN' : '=');
return ['key'=>'cdn_name', 'compare'=>$compare, 'value'=>$value];
}
public static function get_menu_page(){
return [
'parent' => 'wpjam-basic',
'function' => 'option',
'position' => 2,
'summary' => __FILE__,
];
}
public static function parse_items($name, $delimiter='|'){
$items = self::get_setting($name);
if($items){
if(!is_array($items)){
$items = explode($delimiter, $items);
if($name != 'exceptions'){
self::update_setting($name, $items);
}
}
return array_unique(array_filter(array_map('trim', $items)));
}
return [];
}
public static function scheme_replace($url){
if(parse_url($url, PHP_URL_SCHEME) == 'http'){
return str_replace('http://', 'https://', $url);
}else{
return str_replace('https://', 'http://', $url);
}
}
public static function host_replace($html, $to_cdn=true){
$locals = self::get_setting('locals') ?: [];
$locals[] = self::scheme_replace(LOCAL_HOST);
if($to_cdn){
$locals[] = self::scheme_replace(CDN_HOST);
$locals[] = LOCAL_HOST;
$to_host = CDN_HOST;
}else{
$to_host = LOCAL_HOST;
}
$locals = apply_filters('wpjam_cdn_local_hosts', $locals);
$locals = array_map('untrailingslashit', array_unique($locals));
return str_replace($locals, $to_host, $html);
}
public static function html_replace($html){
$html = self::host_replace($html, false);
$exts = self::parse_items('exts');
$dirs = self::parse_items('dirs');
if(is_login()){
$exts = array_diff($exts, ['js','css']);
}
if(self::get_setting('img_exts')){
$types = wp_get_ext_types();
$exts = array_unique(array_merge($exts, $types['image']));
}
if(!$exts){
return $html;
}
$local_host = preg_quote(LOCAL_HOST, '/');
if($no_http = self::get_setting('no_http')){
$local_host .= '|'.preg_quote(str_replace(['http://', 'https://'], '//', LOCAL_HOST), '/');
}
$pattern = '('.$local_host.')\/(';
$replace = CDN_HOST.'/$2';
if($dirs){
$dirs = array_map(function($dir){ return preg_quote(trim($dir, '/'), '/'); }, $dirs);
$pattern .= '('.implode('|', $dirs).')\/';
}
$pattern .= '[^\s\?\\\'\"\;\>\<]{1,}\.('.implode('|', $exts).')';
$pattern .= '[\"\\\'\)\s\]\?]{1})';
return preg_replace('/'.$pattern.'/', $replace, $html);
}
public static function downsize($size, $meta, $img_url){
$downsize = [];
if(is_array($meta) && isset($meta['width'], $meta['height'])){
$ratio = 2;
$size = wpjam_parse_size($size, $ratio);
if($size['crop']){
$width = min($size['width'], $meta['width']);
$height = min($size['height'], $meta['height']);
}else{
list($width, $height) = wp_constrain_dimensions($meta['width'], $meta['height'], $size['width'], $size['height']);
}
if($width < $meta['width'] || $height < $meta['height']){
$img_url = wpjam_get_thumbnail($img_url, compact('width', 'height'));
$downsize = [$img_url, (int)($width/$ratio), (int)($height/$ratio), true];
}else{
$img_url = wpjam_get_thumbnail($img_url);
$downsize = [$img_url, $width, $height, false];
}
}
return $downsize;
}
public static function filter_html($html){
if(empty(CDN_NAME) && self::get_setting('disabled')){
return self::host_replace($html, false);
}else{
if(self::get_setting('exts')){
return self::html_replace($html);
}
}
return $html;
}
public static function filter_content_img_tag($img_tag, $context, $attachment_id){
if($context != 'the_content'){
return $img_tag;
}
$proc = wpjam_html_tag_processor($img_tag);
$src = $proc ? $proc->get_attribute('src') : '';
if(!$src || wpjam_is_external_url($src)){
return $img_tag;
}
$name = $proc->get_attribute('data-size');
$size = [
'width' => $proc->get_attribute('width') ?: 0,
'height' => $proc->get_attribute('height') ?: 0,
'content' => true
];
$max = self::get_setting('max_width', ($GLOBALS['content_width'] ?? 0));
$max = (int)apply_filters('wpjam_content_image_width', $max);
$meta = $attachment_id ? wp_get_attachment_metadata($attachment_id) : null;
$meta = ($meta && is_array($meta)) ? $meta : null;
if($meta && !$size['width'] && !$size['width']){
if($name && $name != 'full' && isset($meta['sizes'][$name])){
$size['width'] = $meta['sizes'][$name]['width'];
$size['height'] = $meta['sizes'][$name]['height'];
}else{
$size['width'] = $meta['width'];
$size['height'] = $meta['height'];
}
if($max && $size['width'] > $max){
if($size['height']){
$size['height'] = (int)($max/$size['width']*$size['height']);
}
$size['width'] = $max;
}
$proc->set_attribute('width', $size['width']);
$proc->set_attribute('height', $size['height']);
}else{
if($max){
if($size['width'] > $max){
if($size['height']){
$size['height'] = (int)(($max/$size['width'])*$size['height']);
$proc->set_attribute('height', $size['height']);
}
$proc->set_attribute('width', $max);
$size['width'] = $max;
}elseif($size['width'] == 0){
if($size['height'] == 0){
$size['width'] = $max;
}
}
}
}
if($meta && is_numeric($size['width']) && is_numeric($size['height'])){
if($size['width']*2 >= $meta['width'] && $size['height']*2 >= $meta['height']){
unset($size['width'], $size['height']);
}elseif($size['width']*2 >= $meta['width'] && !$size['height']){
unset($size['width']);
}elseif($size['height']*2 >= $meta['height'] && !$size['width']){
unset($size['height']);
}
}
$size = wpjam_parse_size($size, 2);
$src = wpjam_get_thumbnail($src, $size);
$proc->set_attribute('src', $src);
return $proc->get_updated_html();
}
public static function filter_block($block_content, $parsed_block){
if($parsed_block['blockName'] == 'core/image'){
$size = $parsed_block['attrs']['sizeSlug'] ?? '';
if($size && $size != 'full'){
$proc = wpjam_html_tag_processor($block_content, 'img');
if($proc){
$proc->set_attribute('data-size', $size);
return (string)$proc;
}
}
}
return $block_content;
}
public static function filter_content($content){
if(doing_filter('get_the_excerpt') || false === strpos($content, '<img')){
return $content;
}
if(!wpjam_is_json_request()){
$content = self::host_replace($content, false);
}
if(self::get_setting('no_subsizes', 1)){
add_filter('wp_img_tag_add_srcset_and_sizes_attr', '__return_false');
}
add_filter('wp_content_img_tag', [self::class, 'filter_content_img_tag'], 1, 3);
return $content;
}
public static function filter_thumbnail($url){
return self::host_replace($url);
}
public static function filter_is_external_url($status, $url, $scene){
if($status){
if($scene == 'fetch'){
$exceptions = self::parse_items('exceptions', "\n");
foreach($exceptions as $exception){
if(strpos($url, trim($exception)) !== false){
return false;
}
}
}
return !wpjam_is_cdn_url($url);
}
return $status;
}
public static function filter_intermediate_image_sizes_advanced($sizes){
return isset($sizes['full']) ? ['full'=>$sizes['full']] : [];
}
public static function filter_embed_thumbnail_image_size($image_size){
return '160x120';
}
public static function filter_get_attachment_metadata($data, $id){
if(wp_attachment_is_image($id) && is_array($data) && empty($data['sizes'])){
$img_url = wp_get_attachment_url($id);
$data['sizes'] = [];
foreach(wp_get_registered_image_subsizes() as $name => $size){
$downsize = self::downsize($size, $data, $img_url);
if($downsize && !empty($downsize[3])){
$file_arr = explode('?', $downsize[0]);
$data['sizes'][$name] = [
'file' => wp_basename($file_arr[0]). (isset($file_arr[1]) ? '?'.$file_arr[1] : ''),
'url' => $downsize[0],
'width' => $downsize[1],
'height' => $downsize[2],
'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
];
}
}
}
return $data;
}
public static function filter_attachment_url($url, $id){
if(wp_attachment_is_image($id)){
return self::host_replace($url);
}else{
$exts = self::parse_items('exts');
if($exts && preg_match('/\.('.implode('|', $exts).')$/i', $url)){
return self::host_replace($url);
}
}
return $url;
}
public static function filter_mime_type_icon($icon){
return self::host_replace($icon);
}
public static function filter_image_downsize($downsize, $id, $size){
if(wp_attachment_is_image($id)){
$img_url = wp_get_attachment_url($id);
$meta = wp_get_attachment_metadata($id);
$downsize = self::downsize($size, $meta, $img_url);
}
return $downsize;
}
public static function filter_wp_resource_hints($urls, $relation_type){
return $relation_type == 'dns-prefetch' ? $urls+[CDN_HOST] : $urls;
}
public static function on_plugins_loaded(){
$local = self::get_setting('local');
define('CDN_NAME', self::get_setting('cdn_name'));
define('CDN_HOST', untrailingslashit(self::get_setting('host') ?: site_url()));
define('LOCAL_HOST', untrailingslashit($local ? set_url_scheme($local): site_url()));
if(CDN_NAME){
do_action('wpjam_cdn_loaded');
if(!is_admin()){
$filter = wpjam_is_json_request() ? 'the_content' : 'wpjam_html';
add_filter($filter, [self::class, 'filter_html'], 5);
}
add_filter('wpjam_is_external_url', [self::class, 'filter_is_external_url'], 10, 3);
add_filter('wp_resource_hints', [self::class, 'filter_wp_resource_hints'], 10, 2);
if(self::get_setting('image', 1)){
WPJAM_CDN_Type::load(CDN_NAME);
if(self::get_setting('no_subsizes', 1)){
add_filter('intermediate_image_sizes_advanced', [self::class, 'filter_intermediate_image_sizes_advanced']);
add_filter('embed_thumbnail_image_size', [self::class, 'filter_embed_thumbnail_image_size']);
add_filter('wp_get_attachment_metadata', [self::class, 'filter_get_attachment_metadata'], 10, 2);
add_filter('wp_calculate_image_srcset_meta', '__return_empty_array');
}
if(self::get_setting('thumbnail', 1)){
add_filter('render_block', [self::class, 'filter_block'], 5, 2);
add_filter('the_content', [self::class, 'filter_content'], 5);
}
add_filter('wpjam_thumbnail', [self::class, 'filter_thumbnail'], 1);
add_filter('wp_get_attachment_url', [self::class, 'filter_attachment_url'], 10, 2);
add_filter('wp_mime_type_icon', [self::class, 'filter_mime_type_icon']);
// add_filter('upload_dir', [self::class, 'filter_upload_dir']);
add_filter('image_downsize', [self::class, 'filter_image_downsize'], 10 ,3);
}
if(!wpjam_basic_get_setting('upload_external_images')){
if(self::get_setting('remote') === 'download'){
if(is_admin()){
WPJAM_Basic::update_setting('upload_external_images', 1);
self::update_setting('remote', 0);
}
}elseif(self::get_setting('remote')){
if(!is_multisite()){
include dirname(__DIR__).'/cdn/remote.php';
}
}
}
}else{
if(self::get_setting('disabled')){
if(!is_admin() && !wpjam_is_json_request()){
add_filter('wpjam_html', [self::class, 'filter_html'], 9);
}
add_filter('the_content', [self::class, 'filter_html'], 5);
add_filter('wpjam_thumbnail', [self::class, 'filter_html'], 9);
}
}
}
}
class WPJAM_CDN_Type extends WPJAM_Register{
public static function load($name){
$object = self::get($name);
$file = $object ? ($object->file ?: dirname(__DIR__).'/cdn/'.$name.'.php') : '';
if($file && file_exists($file)){
$callback = include $file;
if($callback !== 1 && is_callable($callback)){
add_filter('wpjam_thumbnail', $callback, 10, 2);
}
}
}
public static function get_config($key){
if($key == 'defaults'){
return [
'aliyun_oss' => ['title'=>'阿里云OSS'],
'qcloud_cos' => ['title'=>'腾讯云COS'],
'volc_imagex' => ['title'=>'火山引擎veImageX'],
'ucloud' => ['title'=>'UCloud'],
'qiniu' => ['title'=>'七牛云存储'],
];
}elseif($key == 'single'){
return true;
}
}
}
function wpjam_register_cdn($name, $args){
return WPJAM_CDN_Type::register($name, $args);
}
function wpjam_cdn_get_setting($name, $default=null){
$value = WPJAM_CDN::get_setting($name, $default);
if($name == 'watermark' && $value){
return (explode('?', $value))[0];
}
return $value;
}
function wpjam_cdn_host_replace($html, $to_cdn=true){
return WPJAM_CDN::host_replace($html, $to_cdn);
}
function wpjam_local_host_replace($html){
return str_replace(CDN_HOST, LOCAL_HOST, $html);
}
function wpjam_is_cdn_url($url){
$status = strpos($url, CDN_HOST) !== false;
return apply_filters('wpjam_is_cdn_url', $status, $url);
}
function wpjam_restore_attachment_file($id){
$file = get_attached_file($id, true);
if($file && !file_exists($file)){
$dir = dirname($file);
if(!is_dir($dir)){
mkdir($dir, 0777, true);
}
$image = wpjam_cdn_host_replace(wp_get_attachment_url($id));
$result = wpjam_remote_request($image, ['stream'=>true, 'filename'=>$file]);
if(is_wp_error($result)){
return $result;
}
}
return true;
}
wpjam_register_option('wpjam-cdn', [
'title' => 'CDN加速',
'model' => 'WPJAM_CDN',
'hooks' => ['plugins_loaded', ['WPJAM_CDN', 'on_plugins_loaded'], 99],
'site_default' => true,
]);