mirror of
https://github.com/yunluo/gdk.git
synced 2024-04-27 12:22:32 +02:00
418 lines
13 KiB
PHP
418 lines
13 KiB
PHP
<?php
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if (!defined('ABSPATH')) {
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exit;
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}
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if (gdk_option('gdk_cdn')) {
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add_action('wp_loaded', 'gdk_cdn_start');
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}
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//七牛CDN
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if (gdk_option('gdk_link_go')) {
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add_filter('the_content', 'gdk_link_go', 999);
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}
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// 外链GO跳转
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if (gdk_option('gdk_smtp')) {
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add_action('phpmailer_init', 'gdk_smtp');
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}
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//SMTP
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if (gdk_option('gdk_cdn_water')) {
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add_filter('the_content', 'gdk_cdn_water');
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}
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//CDN水印
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//文章首尾添加自定义内容
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function gdk_add_content($content)
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{
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if (is_single()) {
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$before = gdk_option('gdk_artical_top');
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$after = gdk_option('gdk_artical_bottom');
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if (!empty($before) && !empty($after)) {
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return $before.'<br>'.$content.'<br>'.$after;
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}
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if (!empty($before)) {
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return $before.'<br>'.$content;
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}
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if (!empty($after)) {
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return $content.'<br>'.$after;
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}
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return $content;
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}
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return $content;
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}
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add_filter('the_content', 'gdk_add_content');
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//接受奶子微信的账号信息
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function get_weauth_oauth()
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{
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if (in_string($_SERVER['REQUEST_URI'], 'weauth')) {
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$weauth_user = isset($_GET['user']) ? sanitize_text_field($_GET['user']) : false; //weauth发来用户信息
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$weauth_sk = isset($_GET['sk']) ? sanitize_text_field($_GET['sk']) : false; //weauth返回的12位sk信息
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$weauth_res = get_transient($weauth_sk.'-OK');
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if (empty($weauth_res) && 1 !== $weauth_res) {
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return;
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}
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$weauth_user = stripslashes($weauth_user);
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$weauth_user = json_decode($weauth_user, true);
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$oauth_result = implode('|', $weauth_user);
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set_transient($weauth_sk.'-info', $oauth_result, 60); //1分钟缓存
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header('goauth: ok');
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echo 'success'; //给对方服务器打个招呼
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exit;
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}
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}
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add_action('parse_request', 'get_weauth_oauth');
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//社交头像
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function gdk_wx_avatar($avatar, $id_or_email, $size, $default, $alt)
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{
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$user = false;
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if (is_numeric($id_or_email)) {
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$id = (int) $id_or_email;
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$user = get_user_by('id', $id);
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} elseif (is_object($id_or_email)) {
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if (!empty($id_or_email->user_id)) {
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$id = (int) $id_or_email->user_id;
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$user = get_user_by('id', $id);
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}
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} else {
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$user = get_user_by('email', $id_or_email);
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}
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if ($user && is_object($user)) {
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if (get_user_meta($user->data->ID, 'wx_avatar', true)) {
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$avatar = get_user_meta($user->data->ID, 'wx_avatar', true);
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$avatar = "<img alt='{$alt}' src='{$avatar}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />";
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}
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}
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return $avatar;
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}
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add_filter('get_avatar', 'gdk_wx_avatar', 19, 5);
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//头像解决方案
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function gdk_switch_get_avatar($avatar)
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{
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switch (gdk_option('gdk_switch_get_avatar')) {
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case 1:
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$rand_avatar = 'https://cdn.jsdelivr.net/gh/yunluo/GitCafeApi/avatar/'.mt_rand(1, 1999).'.jpg';
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$avatar = "<img src=\"{$rand_avatar}\" class='avatar rand_avatar photo' />";
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break;
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case 2:
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$avatar = preg_replace('/http[s]{0,1}:\\/\\/(secure|www|\\d).gravatar.com\\/avatar\\//', '//cdn.v2ex.com/gravatar/', $avatar);
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break;
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case 3:
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$avatar = preg_replace('/http[s]{0,1}:\\/\\/(secure|www|\\d).gravatar.com\\/avatar\\//', '//dn-qiniu-avatar.qbox.me/avatar/', $avatar);
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break;
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default:
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$avatar = preg_replace('/http[s]{0,1}:\\/\\/(secure|www|\\d).gravatar.com\\/avatar\\//', '//cravatar.cn/avatar/', $avatar);
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}
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return $avatar;
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}
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add_filter('get_avatar', 'gdk_switch_get_avatar');
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//懒加载
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if (gdk_option('gdk_lazyload')) {
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function gdk_lazyload($content)
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{
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if ('post' != get_post_type()) {
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return $content;
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}
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if (!is_feed() || !is_robots()) {
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$content = preg_replace('/<img(.+)src=[\'"]([^\'"]+)[\'"](.*)>/i', "<img\$1data-original=\"\$2\" \$3>\n<noscript>\$0</noscript>", $content);
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}
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return $content;
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}
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add_filter('the_content', 'gdk_lazyload');
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}
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//强制兼容<pre>,和下面转义代码搭配使用
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function gdk_prettify_replace($text)
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{
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$replace = [
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'<pre>' => '<pre class="prettyprint linenums">',
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];
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return strtr($text, $replace);
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}
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add_filter('content_save_pre', 'gdk_prettify_replace');
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add_filter('the_content', 'gdk_prettify_replace');
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//强制阻止WordPress代码转义,适用于<pre class="prettyprint linenums"> </pre>
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function gdk_esc_html($content)
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{
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$regex = '/(<pre\s+[^>]*?class\s*?=\s*?[",\'].*?prettyprint.*?[",\'].*?>)(.*?)(<\/pre>)/sim';
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return preg_replace_callback($regex, 'gdk_esc_callback', $content);
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}
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function gdk_esc_callback($matches)
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{
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$tag_open = $matches[1];
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$content = $matches[2];
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$tag_close = $matches[3];
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$content = esc_html($content);
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return $tag_open.$content.$tag_close;
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}
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add_filter('the_content', 'gdk_esc_html', 2);
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add_filter('comment_text', 'gdk_esc_html', 2);
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//fancybox图片灯箱效果
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if (gdk_option('gdk_lazyload')) {
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function gdk_fancybox($content)
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{
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$pattern = "/<a(.*?)href=('|\")([^>]*).(bmp|gif|jpeg|jpg|png|swf)('|\")(.*?)>(.*?)<\\/a>/i";
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$replacement = '<a$1href=$2$3.$4$5 data-fancybox="gallery" rel="box" class="fancybox"$6>$7</a>';
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return preg_replace($pattern, $replacement, $content);
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}
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add_filter('the_content', 'gdk_fancybox');
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}
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//GO跳转
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function gdk_link_go($content)
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{
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preg_match_all('/<a(.*?)href="(.*?)"(.*?)>/', $content, $matches);
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if ($matches) {
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foreach ($matches[2] as $val) {
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if (in_string($val, '://') && !in_string($val, home_url()) && !preg_match('/\.(jpg|jepg|png|ico|bmp|gif|zip|rar|tiff)/i', $val) && !preg_match('/(ed2k|thunder|Flashget|flashget|qqdl):\/\//i', $val)) {
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$content = str_replace("href=\"{$val}\"", 'href="'.home_url()."?go={$val}\" ", $content);
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}
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}
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}
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return $content;
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}
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//邮箱SMTP设置
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function gdk_smtp($phpmailer)
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{
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$phpmailer->FromName = gdk_option('gdk_smtp_username'); //昵称
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$phpmailer->Host = gdk_option('gdk_smtp_host'); //服务器地址
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$phpmailer->Port = gdk_option('gdk_smtp_port'); //端口
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$phpmailer->Username = gdk_option('gdk_smtp_mail'); //邮箱地址
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$phpmailer->Password = gdk_option('gdk_smtp_password'); //密码
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$phpmailer->From = gdk_option('gdk_smtp_mail'); //邮箱地址
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$phpmailer->SMTPAuth = true;
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$phpmailer->SMTPSecure = 'ssl';
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$phpmailer->IsSMTP();
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}
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// CDN
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function gdk_cdn_start()
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{
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ob_start('gdk_cdn_replace');
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}
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function gdk_cdn_replace($html)
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{
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$local_host = home_url(); //博客域名
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$cdn_host = gdk_option('gdk_cdn_host'); //cdn域名
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$cdn_exts = gdk_option('gdk_cdn_ext'); //扩展名（使用|分隔）
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$cdn_dirs = gdk_option('gdk_cdn_dir'); //目录（使用|分隔）
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$cdn_dirs = str_replace('-', '\-', $cdn_dirs);
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if (isset( $cdn_dirs)) {
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$regex = '/'.str_replace('/', '\/', $local_host).'\/(('.$cdn_dirs.')\/[^\s\?\\\'\"\;\>\<]{1,}.('.$cdn_exts.'))([\"\\\'\s\?]{1})/';
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$html = preg_replace($regex, $cdn_host.'/$1$4', $html);
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} else {
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$regex = '/'.str_replace('/', '\/', $local_host).'\/([^\s\?\\\'\"\;\>\<]{1,}.('.$cdn_exts.'))([\"\\\'\s\?]{1})/';
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$html = preg_replace($regex, $cdn_host.'/$1$3', $html);
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}
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return $html;
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}
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//CDN水印
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function gdk_cdn_water($content)
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{
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if ('post' == get_post_type()) {
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$pattern = "/<img(.*?)src=('|\")(.*?).(bmp|gif|jpeg|jpg|png)('|\")(.*?)>/i";
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$replacement = '<img$1src=$2$3.$4!water.jpg$5$6>';
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$content = preg_replace($pattern, $replacement, $content);
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}
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return $content;
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}
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//压缩html代码
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if (gdk_option('gdk_compress')) {
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function gdk_compress_html()
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{
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function gdk_compress_html_callback($buffer)
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{
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if ('<?xml' == substr(ltrim($buffer), 0, 5)) {
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return $buffer;
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}
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$initial = strlen($buffer);
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$buffer = explode('<!--wp-compress-html-->', $buffer);
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$count = count($buffer);
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$i = '';
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for ($i = 0; $i <= $count; ++$i) {
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if (stristr($buffer[$i], '<!--wp-compress-html no compression-->')) {
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$buffer[$i] = str_replace('<!--wp-compress-html no compression-->', ' ', $buffer[$i]);
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} else {
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$buffer[$i] = str_replace("\t", ' ', $buffer[$i]);
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$buffer[$i] = str_replace("\n\n", "\n", $buffer[$i]);
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$buffer[$i] = str_replace("\n", '', $buffer[$i]);
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$buffer[$i] = str_replace("\r", '', $buffer[$i]);
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while (stristr($buffer[$i], ' ')) {
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$buffer[$i] = str_replace(' ', ' ', $buffer[$i]);
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}
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}
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$buffer_out .= $buffer[$i];
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}
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$final = strlen($buffer_out);
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if (0 !== $initial) {
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$savings = ($initial - $final) / $initial * 100;
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} else {
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$savings = 0;
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}
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$savings = round($savings, 2);
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$buffer_out .= "\n<!--压缩前的大小: {$initial} bytes; 压缩后的大小: {$final} bytes; 节约：{$savings}% -->";
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return $buffer_out;
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}
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ob_start('gdk_compress_html_callback');
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}
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add_action('get_header', 'gdk_compress_html');
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function gdk_unCompress($content)
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{
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if (preg_match_all('/(crayon-|<?xml|script|textarea|<\\/pre>)/i', $content, $matches)) {
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$content = '<!--wp-compress-html--><!--wp-compress-html no compression-->'.$content;
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$content .= '<!--wp-compress-html no compression--><!--wp-compress-html-->';
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}
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return $content;
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}
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add_filter('the_content', 'gdk_unCompress');
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}
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//只搜索文章标题
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function gdk_search_by_title($search, $wp_query)
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{
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if (!empty($search) && !empty($wp_query->query_vars['search_terms'])) {
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global $wpdb;
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$q = $wp_query->query_vars;
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$n = !empty($q['exact']) ? '' : '%';
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$search = [];
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foreach ((array) $q['search_terms'] as $term) {
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$search[] = $wpdb->prepare("{$wpdb->posts}.post_title LIKE %s", $n.$wpdb->esc_like($term).$n);
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}
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if (!is_user_logged_in()) {
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$search[] = "{$wpdb->posts}.post_password = ''";
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}
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$search = ' AND '.implode(' AND ', $search);
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}
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return $search;
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}
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add_filter('posts_search', 'gdk_search_by_title', 10, 2);
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//评论地址更换
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function gdk_comment_author($query_vars)
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{
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if (array_key_exists('author_name', $query_vars)) {
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global $wpdb;
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$author_id = $wpdb->get_var($wpdb->prepare("SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = 'first_name' AND meta_value = %s", $query_vars['author_name']));
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if ($author_id) {
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$query_vars['author'] = $author_id;
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unset($query_vars['author_name']);
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}
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}
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return $query_vars;
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}
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add_filter('request', 'gdk_comment_author');
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function gdk_comment_author_link($link, $author_id, $author_nicename)
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{
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$my_name = get_user_meta($author_id, 'first_name', true);
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if (isset($my_name)) {
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$link = strtr($link, [$author_nicename => $my_name]);
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}
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return $link;
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}
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add_filter('author_link', 'gdk_comment_author_link', 10, 3);
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function gdk_weauth_page_activate()
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{
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$awesome_page_id = get_option('weixin_page_id');
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if (!$awesome_page_id) {
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$post = [
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'post_title' => '微信登录', //这里是自动生成页面的页面标题
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'post_content' => '[gdk_login_btn]', //这里是页面的内容
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'post_status' => 'publish',
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'post_type' => 'page',
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'post_name' => 'weixin',
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];
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$postID = wp_insert_post($post);
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update_post_meta($postID, '_wp_page_template', ''); //这里是生成页面的模板类型
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update_option('weixin_page_id', $postID);
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}
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}
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add_action('admin_init', 'gdk_weauth_page_activate');
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//强制微信登录
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function gdk_force_weauth_login_url($login_url, $redirect, $force_reauth)
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{
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$login_url = get_permalink(get_option('weixin_page_id'));
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if (!empty($redirect)) {
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$login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url);
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}
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if ($force_reauth) {
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$login_url = add_query_arg('reauth', '1', $login_url);
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}
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return $login_url;
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}
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function gdk_change_register_url($url)
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{
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if (is_admin()) {
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return $url;
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}
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return wp_login_url();
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}
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if (gdk_option('gdk_weauth_oauth') && gdk_option('gdk_weauth_force')) {
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add_filter('login_url', 'gdk_force_weauth_login_url', 10, 3);
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add_filter('register_url', 'gdk_change_register_url');
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}
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/**
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* 清除文章相关的缓存.
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*/
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function gdk_clear_post_cache()
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{
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delete_transient('gdk-sitemap');
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delete_transient('gdk-sitemap-html');
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}
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add_action('save_post', 'gdk_clear_post_cache');
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add_action('deleted_post', 'gdk_clear_post_cache');
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add_action('publish_post', 'gdk_clear_post_cache');
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add_action('publish_page', 'gdk_clear_post_cache');
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/**
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* 清除链接缓存.
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*/
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function gdk_clear_link_cache()
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{
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delete_transient('gdk-daohang-html');
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}
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add_action('edit_link', 'gdk_clear_link_cache');
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add_action('add_link', 'gdk_clear_link_cache');
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