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<?php
namespace B2\Modules\Common;
use B2\Modules\Common\Poster;
use B2\Modules\Common\Distribution;
use B2\Modules\Common\IntCode;
use B2\Modules\Common\Post;
class FileUpload
{
public static $editor;
public static $upload_dir;
public static $allow_crop;
public static $allow_webp;
public function init()
{
//add_filter('sanitize_file_name', array($this,'rename_filename'),10);
//本地裁剪
self::$upload_dir = apply_filters('b2_upload_path_arg', wp_upload_dir());
self::$allow_crop = b2_get_option('normal_write', 'write_image_crop');
self::$allow_webp = b2_get_option('normal_write', 'write_image_webp');
}
public static function create_code($url)
{
$url = crc32($url);
$result = sprintf("%u", $url);
return self::code62($result);
}
public static function code62($x)
{
$show = '';
while ($x > 0) {
$s = $x % 62;
if ($s > 35) {
$s = chr($s + 61);
} elseif ($s > 9 && $s <= 35) {
$s = chr($s + 55);
}
$show .= $s;
$x = floor($x / 62);
}
return $show;
}
/**
* 上传文件重命名
*
* @param string $filename 文件名
*
* @return string 文件名
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public static function rename_filename($filename, $type, $post_id)
{
$info = pathinfo($filename);
$ext = empty($info['extension']) ? '' : '.' . $info['extension'];
return $info['filename'] . '_' . $post_id . '_' . $type . '_' . self::create_code($filename) . rand(1, 9999) . $ext;
}
public static function url_to_base64($url)
{
if ($url) {
$file_contents = wp_remote_get($url, array(
'httpversion' => '1.0',
'timeout' => 20,
'redirection' => 20,
'sslverify' => FALSE,
'user-agent' => 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; MALC)'
));
if (is_wp_error($file_contents)) {
return array('error' => $file_contents->get_error_message());
}
$img_base64 = base64_encode($file_contents['body']);
if ($img_base64) {
return 'data:image/jpeg;base64,' . $img_base64;
}
}
return '';
}
/**
* 图片裁剪，并储存到本地
*
* @param array $arg
*
* @return string 图片URL
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public static function thumb($arg)
{
//thumb:图片路径,
//type:编辑形式,
//fill:固定长宽剧中裁剪，
//fit:等比缩放，
//exact:固定尺寸（可能造成变形），
//exactW:等宽缩放（宽度固定，高度自动），
//exactH:等高缩放（高度固定，宽度自动）
//smart:智能裁剪，
//gif 是否移除gif动画效果
$r = apply_filters('b2_thumb_arg', wp_parse_args($arg, array(
'thumb' => '',
'type' => 'fill',
'width' => '500',
'height' => '500',
'gif' => 0,
'webp' => false,
'ratio' => B2_IMG_RATIO,
'custom' => false //留给站长DIY的参数，为true的时候，可以使用下面 b2_thumb_custom 钩子，返回图片地址
)));
$r['thumb'] = Post::img_replace($r['thumb']);
if ($r['custom']) {
return apply_filters('b2_thumb_custom', $r['thumb'], $r);
}
if ($r['height'] === '100%') {
$r['type'] = 'exactW';
unset($r['height']);
}
if ($r['width'] === '100%') {
$r['type'] = 'exactH';
unset($r['width']);
}
if (defined('B2_IMG_RATIO')) {
if (isset($r['width'])) {
$r['width'] = ceil($r['width'] * $r['ratio']);
}
if (isset($r['height'])) {
$r['height'] = ceil($r['height'] * $r['ratio']);
}
}
//检查图片是为空
if (empty($r['thumb'])) {
return apply_filters('b2_thumb_default_image', b2_get_default_img(), $r);
}
//如果不是本地文件，直接返回
if (strpos($r['thumb'], B2_HOME_URI) === false) {
//如果使用的是相对地址
if (strpos($r['thumb'], '//') === false) {
$r['thumb'] = self::$upload_dir['baseurl'] . '/' . $r['thumb'];
}
return apply_filters('b2_thumb_no_local', $r['thumb'], $r);
}
if (!self::$allow_crop) {
return $r['thumb'];
}
//检查是否为裁剪过的图片
if (strpos($r['thumb'], '_mark_') !== false) {
return $r['thumb'];
}
//如果不裁剪，返回原图
if ($r['type'] == 'default') {
return $r['thumb'];
}
//获取原始图片的物理地址
$rel_file_path = str_replace(self::$upload_dir['baseurl'], '', $r['thumb']);
$rel_file_path = str_replace(array('/', '\\'), B2_DS, $rel_file_path);
$basedir = str_replace(array('/', '\\'), B2_DS, self::$upload_dir['basedir']);
$rel_file_path = $basedir . $rel_file_path;
// $is_file = wp_cache_get($rel_file_path, 'b2_thumb_is_file');
// var_dump($is_file);
// if (!$is_file) {
// $is_file = is_file($rel_file_path) ? 1 : 0;
// wp_cache_set($rel_file_path, $is_file, 'b2_thumb_is_file', 600);
// }
// // var_dump(123);
// list($width, $height, $type, $attr) = getimagesize($rel_file_path);
// if ((isset($r['width']) && $width < $r['width']) || (isset($r['height']) && $height < $r['height'])) {
// return $r['thumb'];
// }
$basename = basename($rel_file_path);
$rel_file = str_replace($basedir . B2_DS, '', $rel_file_path);
$r['height'] = isset($r['height']) ? $r['height'] : null;
$file_path = str_replace($basename, '', $rel_file);
$thumb_dir = $basedir . B2_DS . 'thumb' . B2_DS . $file_path . $r['type'] . '_w' . $r['width'] . '_h' . $r['height'] . '_g' . $r['gif'] . '_mark_' . $basename;
// var_dump($thumb_dir );
$is_thumb_file = wp_cache_get($thumb_dir, 'b2_thumb_is_file');
if (!$is_thumb_file) {
$is_thumb_file = is_file($thumb_dir) ? 1 : 0;
wp_cache_set($thumb_dir, $is_thumb_file, 'b2_thumb_is_file', 500);
}
//如果存在直接返回
if ($is_thumb_file) {
$basedir = str_replace(array('/', '\\'), '/', $basedir);
$thumb_dir = str_replace(array('/', '\\'), '/', $thumb_dir);
return apply_filters('b2_get_thumb', str_replace($basedir, self::$upload_dir['baseurl'], $thumb_dir));
}
// 使用 WordPress 内置图像编辑器
$editor = wp_get_image_editor($rel_file_path);
if (is_wp_error($editor)) {
return $r['thumb'];
}
try {
switch ($r['type']) {
case 'fit':
// 等比缩放，保持宽高比
$editor->resize($r['width'], $r['height'], false);
break;
case 'exact':
// 固定尺寸，可能变形
$editor->resize($r['width'], $r['height'], true);
break;
case 'exactW':
// 等宽缩放，高度自动
$editor->resize($r['width'], null);
break;
case 'exactH':
// 等高缩放，宽度自动
$editor->resize(null, $r['height']);
break;
case 'smart':
// 智能裁剪 - WordPress 默认裁剪方式
$editor->resize($r['width'], $r['height'], true);
break;
default:
// fill - 固定长宽剧中裁剪
$editor->resize($r['width'], $r['height'], array('center', 'center'));
break;
}
// 处理 GIF 动画
if ($r['gif']) {
// WordPress 内置编辑器会自动将 GIF 转为静态图片
// 无需额外操作
}
// 保存图片
$saved = $editor->save($thumb_dir);
if (is_wp_error($saved)) {
return apply_filters('b2_thumb_default_image', b2_get_default_img(), $r);
}
// 处理 WebP 格式
// if (self::$allow_webp) {
// $thumb_webp = str_replace(substr(strrchr($thumb_dir, '.'), 1), 'webp', $thumb_dir);
// $editor->save($thumb_webp, 'image/webp');
// }
$basedir = str_replace(array('/', '\\'), '/', $basedir);
$thumb_dir = str_replace(array('/', '\\'), '/', $thumb_dir);
return apply_filters('b2_get_thumb', str_replace($basedir, self::$upload_dir['baseurl'], $thumb_dir));
} catch (\Exception $e) {
return $r['thumb'];
}
return $r['thumb'] ?? '';
}
public static function auto_webp($url)
{
if (!self::$allow_webp) {
return $url;
}
if (strpos($url, self::$upload_dir['baseurl']) === false)
return $url;
//如果是gif图片，直接返回 url
if (strpos($url, '.gif') !== false) {
return $url;
}
//如果是 webp 图片，直接返回 url
if (strpos($url, '.webp') !== false) {
return $url;
}
$rel_file_path = str_replace(self::$upload_dir['baseurl'], '', $url);
$rel_file_path = str_replace(array('/', '\\'), B2_DS, $rel_file_path);
$basedir = str_replace(array('/', '\\'), B2_DS, self::$upload_dir['basedir']);
$rel_file_path = $basedir . $rel_file_path;
$is_file = wp_cache_get($rel_file_path, 'b2_thumb_is_file');
if (!$is_file) {
$is_file = is_file($rel_file_path) ? 1 : 0;
wp_cache_set($rel_file_path, $is_file, 'b2_thumb_is_file', 500);
}
if ($is_file) {
//self::$upload_dir['basedir'] 的路径斜杠根据系统进行统一
self::$upload_dir['basedir'] = str_replace(array('/', '\\'), B2_DS, self::$upload_dir['basedir']);
$thumb = str_replace(substr(strrchr($rel_file_path, '.'), 1), 'webp', $rel_file_path);
// $thumb = str_replace(self::$upload_dir['basedir'], self::$upload_dir['basedir'].B2_DS.'thumb', $thumb);
$webp_url = str_replace(substr(strrchr($url, '.'), 1), 'webp', $url);
// $webp_url = str_replace(self::$upload_dir['baseurl'], self::$upload_dir['baseurl'].'/thumb', $webp_url);
$isset = wp_cache_get($thumb, 'b2_thumb_is_file');
if (!$isset) {
$isset = is_file($thumb) ? 1 : 0;
wp_cache_set($thumb, $isset, 'b2_thumb_is_file', 500);
}
if (!$isset) {
$editor = wp_get_image_editor($rel_file_path);
if (is_wp_error($editor)) {
return $url;
}
try {
$result = $editor->save($thumb, 'image/webp');
if (is_wp_error($result)) {
return $url;
}
return apply_filters('b2_get_thumb_webp', $webp_url);
} catch (\Throwable $th) {
return $url;
}
}
return apply_filters('b2_get_thumb_webp', $webp_url);
}
return $url;
}
public static function get_poster_data($post_id)
{
if (!$post_id)
return [];
//默认设置项
$default_poster_settings = get_option('b2_template_single');
if (!isset($default_poster_settings['single_poster_group'][0])) {
$default_poster_settings = array(
'single_poster_default_img' => b2_get_option('template_single', 'single_poster_default_img'),
'single_poster_default_logo' => b2_get_option('template_single', 'single_poster_default_logo'),
'single_poster_default_text' => html_entity_decode(esc_attr(b2_get_option('template_single', 'single_poster_default_text'))),
'single_poster_default_desc' => html_entity_decode(esc_attr(b2_get_option('template_single', 'single_poster_default_desc'))),
'single_poster_dl' => esc_attr(b2_get_option('template_single', 'single_poster_dl')),
);
} else {
$default_poster_settings = $default_poster_settings['single_poster_group'][0];
}
$post_year = get_the_date('Y', $post_id);
$post_month = get_the_date('m', $post_id);
$post_day = get_the_date('d', $post_id);
//文章标题
$title = esc_attr(get_the_title($post_id));
//文章描述
$text = b2_get_excerpt($post_id, 60);
$thumb_url = get_post_meta($post_id, 'b2_post_poster', true);
if (!$thumb_url) {
//获取特色图
$thumb_id = get_post_thumbnail_id($post_id);
if ($thumb_id) {
$thumb_url = wp_get_attachment_url($thumb_id);
} else {
$thumb_url = b2_get_first_img(get_post_field('post_content', $post_id));
}
if (!$thumb_url) {
$thumb_url = $default_poster_settings['single_poster_default_img'];
}
}
$thumb_url = b2_get_thumb(array('thumb' => $thumb_url, 'height' => 600, 'width' => 400));
$ref = '';
// $author = get_post_field('post_author',$post_id);
$author = b2_get_current_user_id();
if ($author) {
if (Distribution::user_can_distribution($author)) {
$c = new IntCode();
$ref = '?ref=' . $c->encode($author);
}
}
$logo = $default_poster_settings['single_poster_default_logo'];
$link = get_permalink($post_id);
if (isset($default_poster_settings['single_poster_dl']) && $default_poster_settings['single_poster_dl'] == 1) {
$thumb_url = B2_HOME_URI . '/get-image?token=' . md5(AUTH_KEY . $thumb_url . $post_id) . '&id=' . $post_id . '&url=' . $thumb_url;
$logo = B2_HOME_URI . '/get-image?token=' . md5(AUTH_KEY . $logo . $post_id) . '&id=' . $post_id . '&url=' . $logo;
}
return array(
'title' => $title,
'content' => $text,
//isset($default_poster_settings['single_poster_dl']) && $default_poster_settings['single_poster_dl'] ? '//images.weserv.nl/?url='.$thumb_url.'&w=344&dpr=2' :
'thumb' => $thumb_url,
'logo' => $logo,
'desc' => $default_poster_settings['single_poster_default_desc'],
'date' => array(
'year' => $post_year,
'month' => $post_month,
'day' => $post_day
),
'ref' => $ref,
'link' => $link . ($ref ? $ref : '')
);
}
public static function hex2rgb($hex)
{
$hex = str_replace("#", "", $hex);
if (strlen($hex) == 3) {
$r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
$g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
$b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
} else {
$r = hexdec(substr($hex, 0, 2));
$g = hexdec(substr($hex, 2, 2));
$b = hexdec(substr($hex, 4, 2));
}
return array($r, $g, $b);
}
public static function url_to_path($url, $dir)
{
//获取远程图片到本地
$url = self::url_file_upload($url);
//如果保存失败，返回错误
if (isset($url['error']) && $url['error']) {
return $url;
}
return $url;
}
/**
* 图片上传
*
* @param object $request restapi object
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public static function file_upload($request)
{
$user_id = b2_get_current_user_id();
if (!$user_id) {
return array('error' => __('请先登录', 'b2'));
}
wp_set_current_user($user_id);
if (!isset($request['post_id']))
return array('error' => __('缺少参数', 'b2'));
if (!$request['post_id'] || !is_numeric($request['post_id'])) {
return array('error' => __('缺少文章ID', 'b2'));
}
if (!isset($request['type']))
return array('error' => __('请设置一个type', 'b2'));
if (!in_array($request['type'], b2_file_type()))
return array('error' => __('不支持这个type', 'b2'));
//文件体积检查
if (!isset($_FILES['file']['size'])) {
return array('error' => sprintf(__('文件损坏，请重新选择（%s）', 'b2'), $_FILES['file']['name']));
}
$size = 0;
$mime = '';
if (strpos($_FILES['file']['type'], 'image') !== false) {
$mime = 'image';
$size = b2_get_option('normal_write', 'write_image_size');
$text = __('图片', 'b2');
} elseif (strpos($_FILES['file']['type'], 'video') !== false) {
$mime = 'video';
$size = b2_get_option('normal_write', 'write_video_size');
$text = __('视频', 'b2');
} else {
$mime = 'file';
$size = b2_get_option('normal_write', 'write_file_size');
$text = __('文件', 'b2');
}
if ($_FILES['file']['size'] > $size * 1048576) {
return array('error' => sprintf(__('%s必须小于%sM，请重新选择', 'b2'), $text, $size));
}
// if(!$user_id) return ['error'=>__('无权上传','b2')];
//检查上传权限
$role = User::check_user_media_role($user_id, $mime);
if (!$role)
return array('error' => sprintf(__('您无权上传%s', 'b2'), $text));
//检查图片上传数量
$count = b2_get_option('normal_safe', 'upload_count');
$has_upload_count = (int) wp_cache_get('b2_upload_limit_' . $user_id, 'b2_upload_limit');
if ($has_upload_count >= $count && !user_can($user_id, 'manage_options')) {
return array('error' => __('非法操作', 'b2'));
}
$count = 0;
//如果是认证，检查上传的数量
if (($request['type'] == 'verify' || $request['type'] == 'avatar') && !$role) {
$mimetype = b2isImg($_FILES['file']['tmp_name']);
if ($mimetype) {
if (!$role) {
$count = (int) get_user_meta($user_id, 'b2_verify_upload_count', true);
if ($count >= 10)
return array('error' => __('非法操作', 'b2'));
}
} else {
return array('error' => __('非法操作', 'b2'));
}
}
wp_cache_set('b2_upload_limit_' . $user_id, ($has_upload_count + 1), 'b2_upload_limit', 600);
// $mimes = array('gif' => 'image/gif','jpeg'=>'image/jpeg','jpg'=>'image/jpeg','png'=>'image/png');
// if($request['filetype'] === 'video'){
// $mimes = array('mp4'=>'video/mp4', 'asf'=>'video/x-ms-asf','wmv'=>'video/x-ms-wmv', 'avi'=>'video/avi','flv'=>'video/x-flv','mpeg'=>'video/mpeg','ogg'=>'video/ogg','webm'=>'video/webm','3gpp'=>'video/3gpp','3gpp2'=>'video/3gpp2');
// }
// if($request['filetype'] === 'file'){
// $mimes = array('mp4'=>'video/mp4', 'asf'=>'video/x-ms-asf','wmv'=>'video/x-ms-wmv', 'avi'=>'video/avi','flv'=>'video/x-flv','mpeg'=>'video/mpeg','ogg'=>'video/ogg','webm'=>'video/webm','3gpp'=>'video/3gpp','3gpp2'=>'video/3gpp2');
// }
require_once ABSPATH . B2_DS . 'wp-admin' . B2_DS . 'includes' . B2_DS . 'image.php';
require_once ABSPATH . 'wp-admin' . B2_DS . 'includes' . B2_DS . 'file.php';
require_once ABSPATH . 'wp-admin' . B2_DS . 'includes' . B2_DS . 'media.php';
if (!isset($request['file_name'])) {
$_FILES['file']['name'] = self::rename_filename($_FILES['file']['name'], $request['type'], $request['post_id']);
} else {
$_FILES['file']['name'] = $request['file_name'];
}
$id = media_handle_upload('file', $request['post_id']);
if (is_wp_error($id)) {
return array('error' => sprintf(__('上传失败(%s)：', 'b2'), $_FILES['file']['name']) . $id->get_error_message());
} else {
if (!$role) {
update_user_meta($user_id, 'b2_verify_upload_count', ($count + 1));
}
if (isset($request['set_poster']) && get_post_field('post_author', absint($request['set_poster'])) == $user_id) {
set_post_thumbnail(absint($request['set_poster']), $id);
}
return array('id' => $id, 'url' => wp_get_attachment_url($id));
}
}
}