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77 lines
2.7 KiB
77 lines
2.7 KiB
/**
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* 52监测网论坛页面代理 + 清理 UI 元素
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* 职责范围：
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* 1. 代理论坛页面（带 cookie 转发）
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* 2. 注入 JS 清理相关帖子、发表新帖、页脚等元素
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*
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*
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* 维护说明：
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* - 如需增删清理的元素，修改 injectedScript 中的选择器列表
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*/
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const request = require("superagent");
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const FORUM_HOST = "http://bbs.52jiance.cn";
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// 注入的清理脚本 — 只保留正文，移除所有论坛 UI
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const injectedScript = `
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<style>
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/* 隐藏所有论坛 UI 区域 */
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#toptb, #hd, .nexsidetls, .nex_plugin_reserved,
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#pt, #pgt, .vwthdtit, .pi, .foldcount, .pob,
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#p_btn, .nex_mean, #f_pst, .nexfooter, .sd, .nex_author,
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.nex_sdbox, .nex_fabuanniu, .nex_fabu, .pgs, .pgb, .ad,
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.p_pop, .h_pop, .bm, .bm_c, .tip, .tip_4, .modact,
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header, footer, nav, aside, form:not(.t_f form),
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.pls, .signature, .xg1, .xg2, .pstatus, .attach_nopermission, .attach_tips, a[href*='member.php?mod=logging'], .comiis_header, .comiis_footer,
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.mu, .nv, .wp .footer, #ft, #scrolltop, .showbox, .popup,
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.fastlg, .nex_prompt, .prompt, .notice, .nexlogin, .nexDL_part,
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.nexbd_mains, .nexdl_avator, .nexbd_mls, .nexbd_mrs,
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#um, #um_menu, .hdc, .nexlogo, .nexsearch, .nexDL_before
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{ display: none !important; }
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/* 只保留正文 */
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.plc, .pct, .pcb, .pcbs, .t_f, #postlist, #ct
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{ display: block !important; }
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body { margin: 0; padding: 12px; background: #fff; }
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.t_f { font-size: 14px; line-height: 1.8; color: #333; }
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img { max-width: 100%; height: auto; }
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</style>`;
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module.exports.bbs52Proxy =
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module.exports.bbs52Proxy = async (ctx) => {
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try {
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const pathname = ctx.path.replace(/^\/_bbs52/, "") || "/";
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const targetUrl = FORUM_HOST + pathname + (ctx.querystring ? "?" + ctx.querystring : "");
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const res = await request
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.get(targetUrl)
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.set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36")
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.set("Cookie", ctx.get("cookie") || "")
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.redirects(0)
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.ok((r) => r.status < 400);
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const contentType = res.headers["content-type"] || "";
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// 仅对 HTML 响应做注入
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if (contentType.includes("text/html")) {
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let html = res.text;
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// 论坛页面是混淆 JS，没有 </head>，直接在内容前注入
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html = injectedScript + html;
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ctx.set("Content-Type", "text/html; charset=utf-8");
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ctx.body = html;
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} else {
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// 非 HTML（图片、CSS 等）直接透传
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ctx.set("Content-Type", contentType);
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ctx.body = res.body;
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}
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ctx.status = res.status || 200;
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} catch (error) {
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console.error("bbs52 proxy error:", error.message);
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// 如果代理失败，回退到原始 _bbs52 尝试
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ctx.status = 502;
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ctx.body = "代理请求失败";
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}
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};
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