第47批:2FA绑定状态双向同步(pull_state/push_state);图片壁纸下卡片/侧栏半透明毛玻璃自适应;壁纸源改四级fallback(必应主域/中国镜像/NASA APOD/picsum兜底)+转发白名单扩充
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@@ -1,10 +1,14 @@
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<?php
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/**
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* 自定义背景壁纸源代理 —— 第46批
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* 自定义背景壁纸源代理 —— 第46批创建,第47批改多源 fallback
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*
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* 用户端(player.php)与管理员端(admin.php)的自定义背景系统共用:
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* action=bing 返回必应每日壁纸元数据(图片URL/标题/版权/日期),6小时文件缓存
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* action=image 按 u 参数转发图片二进制(仅白名单 bing.com 域,防SSRF/防盗链),浏览器缓存6小时
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* action=bing 每日壁纸元数据(图片URL/标题/版权/日期),6小时文件缓存
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* 第47批:单一必应源 → 四级 fallback 链(用户侧必应取不到图的对策):
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* 1) www.bing.com HPImageArchive 2) cn.bing.com 镜像
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* 3) NASA APOD (api.nasa.gov) 4) picsum.photos 兜底(永不失败)
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* action=image 按 u 参数转发图片二进制(白名单域,防SSRF/防盗链),浏览器缓存6小时
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* 第47批:白名单随多源扩充 NASA / picsum / unsplash 域
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*
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* 自定义图片URL模式为浏览器直连(前端 background-image),不经过本代理。
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* 自包含轻量实现,不依赖 core.php/DB。
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@@ -17,7 +21,7 @@ error_reporting(E_ALL);
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ini_set('display_errors', '0');
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ini_set('log_errors', '1');
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/** 必应结果缓存时长(秒)—— 每日换图,6小时足够 */
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/** 壁纸元数据缓存时长(秒)—— 每日换图,6小时足够 */
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define('WPJ_BING_TTL', 21600);
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function wpjOut($ok, $msg, $data = null) {
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@@ -74,41 +78,89 @@ function wpjFetch($url, $timeout, $referer) {
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$act = isset($_GET['action']) ? $_GET['action'] : '';
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/* ===== 必应每日壁纸元数据 ===== */
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/* ===== 每日壁纸元数据(第47批:多源 fallback 链) ===== */
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if ($act === 'bing') {
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$cached = wpjCacheGet('bing', WPJ_BING_TTL);
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if ($cached !== null) { wpjOut(true, 'ok', $cached); }
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$api = 'https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN';
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$body = wpjFetch($api, 6, 'https://www.bing.com/');
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$j = json_decode($body, true);
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if (!is_array($j) || empty($j['images'][0]['urlbase'])) {
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wpjOut(false, '壁纸源暂不可用,请稍后重试或改用图片URL');
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$data = null;
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// 源1/2:必应官方 HPImageArchive(主域失败换中国镜像)
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foreach (array('https://www.bing.com', 'https://cn.bing.com') as $base) {
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$body = wpjFetch($base . '/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN', 6, $base . '/');
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$j = json_decode($body, true);
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if (!is_array($j) || empty($j['images'][0]['urlbase'])) { continue; }
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$img = $j['images'][0];
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$direct = $base . $img['urlbase'] . '_1920x1080.jpg';
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$data = array(
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// 前端优先用代理地址(防防盗链),direct 作兜底直连
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'url' => 'wallpaper.php?action=image&u=' . rawurlencode($direct),
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'direct' => $direct,
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'source' => 'bing',
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'title' => isset($img['title']) ? $img['title'] : '',
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'copyright' => isset($img['copyright']) ? $img['copyright'] : '',
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'date' => isset($img['startdate']) ? $img['startdate'] : '',
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);
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break;
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}
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$img = $j['images'][0];
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$direct = 'https://www.bing.com' . $img['urlbase'] . '_1920x1080.jpg';
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$data = array(
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// 前端优先用代理地址(防防盗链),direct 作兜底直连
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'url' => 'wallpaper.php?action=image&u=' . rawurlencode($direct),
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'direct' => $direct,
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'title' => isset($img['title']) ? $img['title'] : '',
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'copyright' => isset($img['copyright']) ? $img['copyright'] : '',
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'date' => isset($img['startdate']) ? $img['startdate'] : '',
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);
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// 源3:NASA 每日天文图 APOD(DEMO_KEY 限速,但有6小时缓存,服务器低频调用足够)
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if ($data === null) {
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$body = wpjFetch('https://api.nasa.gov/planetary/apod?api_key=DEMO_KEY&hd=true', 8, 'https://api.nasa.gov/');
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$j = json_decode($body, true);
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if (is_array($j) && !empty($j['hdurl']) && preg_match('#^https?://#i', $j['hdurl'])) {
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$direct = $j['hdurl'];
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$data = array(
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'url' => 'wallpaper.php?action=image&u=' . rawurlencode($direct),
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'direct' => $direct,
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'source' => 'nasa',
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'title' => isset($j['title']) ? $j['title'] : 'NASA 每日天文图',
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'copyright' => isset($j['copyright']) ? $j['copyright'] : 'NASA APOD',
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'date' => isset($j['date']) ? $j['date'] : date('Y-m-d'),
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);
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}
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}
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// 源4:picsum 固定尺寸摄影图(无 key、永不应答失败的最后兜底;302 跳转浏览器直接可用)
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if ($data === null) {
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$direct = 'https://picsum.photos/1920/1080';
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$data = array(
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'url' => $direct,
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'direct' => $direct,
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'source' => 'picsum',
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'title' => '随机摄影图',
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'copyright' => 'Photos from Unsplash (picsum.photos)',
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'date' => date('Y-m-d'),
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);
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}
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wpjCacheSet('bing', $data);
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wpjOut(true, 'ok', $data);
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}
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/* ===== 图片转发(仅 bing 白名单,防 SSRF) ===== */
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/* ===== 图片转发(白名单域,防 SSRF;第47批随多源扩充) ===== */
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if ($act === 'image') {
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$u = isset($_GET['u']) ? (string)$_GET['u'] : '';
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$host = @parse_url($u, PHP_URL_HOST);
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if ($u === '' || !is_string($host) || $host === '') { wpjOut(false, '参数无效'); }
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$host = strtolower($host);
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$allow = array('www.bing.com', 'bing.com', 'th.bing.com', 'cn.bing.com');
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$allow = array(
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// 必应(源1/2)
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'www.bing.com', 'bing.com', 'th.bing.com', 'cn.bing.com',
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// NASA APOD(源3,hdurl 指向 apod.nasa.gov / www.nasa.gov 等)
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'apod.nasa.gov', 'www.nasa.gov', 'images-api.nasa.gov',
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// picsum 兜底链(源4,302 目标域)
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'picsum.photos', 'fastly.picsum.photos', 'images.unsplash.com',
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);
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if (!in_array($host, $allow, true)) { wpjOut(false, '不支持的图片源'); }
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$bin = wpjFetch($u, 10, 'https://www.bing.com/');
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$referer = 'https://www.bing.com/';
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if ($host === 'apod.nasa.gov' || $host === 'www.nasa.gov' || $host === 'images-api.nasa.gov') {
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$referer = 'https://apod.nasa.gov/';
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} elseif ($host === 'picsum.photos' || $host === 'fastly.picsum.photos' || $host === 'images.unsplash.com') {
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$referer = 'https://picsum.photos/';
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}
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$bin = wpjFetch($u, 10, $referer);
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if (!is_string($bin) || strlen($bin) < 1000) { wpjOut(false, '图片下载失败'); }
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// 粗校验图片魔数,防返回HTML错误页被当图片缓存
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$head = substr($bin, 0, 3);
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