Initial 423down proxy service

2026-05-12 07:58:30 +00:00
commit 6e6e836d09
14 changed files with 865 additions and 0 deletions
@@ -0,0 +1,97 @@
+// ==UserScript==
+// @name         423down Article Proxy
+// @namespace    https://www.nite07.com/
+// @version      1.0.2
+// @description  在 423down 文章页自动获取正文 HTML 并替换页面正文区域。
+// @author       nite07
+// @homepageURL  https://www.nite07.com/
+// @match        https://www.423down.com/*.html
+// @connect      423.nite07.com
+// @connect      *.nite07.com
+// @grant        GM_xmlhttpRequest
+// @run-at       document-end
+// ==/UserScript==
+
+(function () {
+  "use strict";
+
+  const API_ORIGIN = "https://423.nite07.com";
+  const ARTICLE_PATH_RE = /^\/(\d+)\.html$/;
+
+  const articleID = getArticleID(window.location.pathname);
+  if (!articleID) {
+    return;
+  }
+
+  replaceArticleHTML(articleID);
+
+  function getArticleID(pathname) {
+    const match = pathname.match(ARTICLE_PATH_RE);
+    return match ? match[1] : "";
+  }
+
+  function replaceArticleHTML(articleID) {
+    requestArticleHTML(articleID)
+      .then((html) => {
+        const articleContainer = document.querySelector("div.entry");
+        if (!articleContainer) {
+          console.warn("[423down-proxy] 未找到正文容器 div.entry，无法替换 HTML");
+          return;
+        }
+
+        articleContainer.innerHTML = html;
+        console.info(`[423down-proxy] 已替换文章 ${articleID} 的正文 HTML`);
+      })
+      .catch((error) => {
+        console.error("[423down-proxy] 获取文章 HTML 失败：", error);
+      });
+  }
+
+  function requestArticleHTML(articleID) {
+    const url = `${API_ORIGIN}/?article_id=${encodeURIComponent(articleID)}`;
+
+    return new Promise((resolve, reject) => {
+      GM_xmlhttpRequest({
+        method: "GET",
+        url,
+        responseType: "json",
+        timeout: 30_000,
+        onload(response) {
+          if (response.status < 200 || response.status >= 300) {
+            reject(new Error(`HTTP ${response.status}`));
+            return;
+          }
+
+          const data = parseResponse(response);
+          if (!data || data.ok !== true || typeof data.html !== "string") {
+            reject(
+              new Error(data && data.error ? data.error : "接口响应格式不正确"),
+            );
+            return;
+          }
+
+          resolve(data.html);
+        },
+        onerror() {
+          reject(new Error("网络请求失败"));
+        },
+        ontimeout() {
+          reject(new Error("网络请求超时"));
+        },
+      });
+    });
+  }
+
+  function parseResponse(response) {
+    if (response.response && typeof response.response === "object") {
+      return response.response;
+    }
+
+    try {
+      return JSON.parse(response.responseText);
+    } catch (error) {
+      console.error("[423down-proxy] JSON 解析失败：", error);
+      return null;
+    }
+  }
+})();