init

2025-12-07 00:13:06 +08:00
parent d8e667106a
commit fec8d0cbe0
12 changed files with 1099 additions and 0 deletions
--- a/utils/dev.js
+++ b/utils/dev.js
@@ -0,0 +1,18 @@
+// HTTPS_PROXY=http://localhost:7777 bun ./output/cloudflare-search/utils/dev.js
+
+import searchBrave from "./searchBrave.js";
+import searchGoogle from "./searchGoogle.js";
+import searchDuckDuckGo from "./searchDuckDuckGo.js";
+import searchBing from "./searchBing.js";
+
+const query = "yrobot 博客";
+
+(async () => {
+  const results = await searchBing({
+    query,
+  });
+  console.log({ results });
+})().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});
--- a/utils/getHTML.js
+++ b/utils/getHTML.js
@@ -0,0 +1,375 @@
+import { env } from "../envs.js";
+
+// ============================================
+// HTML 界面 - HTML UI
+// ============================================
+
+export function getSearchHtml() {
+  const GOOGLE_ENABLED = env.GOOGLE_API_KEY && env.GOOGLE_CX;
+  const DEFAULT_ENGINES = env.DEFAULT_ENGINES || [];
+  const handlerEngineDefaultChecked = (engine) =>
+    DEFAULT_ENGINES.includes(engine) ? "checked" : "";
+  return `<!DOCTYPE html>
+<html lang="zh-CN" class="h-full">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>搜索聚合服务 - SearXNG Compatible</title>
+  <meta name="description" content="基于 Cloudflare Workers 的多引擎搜索聚合服务,兼容 SearXNG API">
+  <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🔍</text></svg>">
+
+  <!-- Tailwind CSS CDN -->
+  <script src="https://cdn.tailwindcss.com"></script>
+  <script>
+    tailwind.config = {
+      theme: {
+        extend: {
+          colors: {
+            zinc: {
+              50: '#fafafa',
+              100: '#f4f4f5',
+              200: '#e4e4e7',
+              300: '#d4d4d8',
+              400: '#a1a1aa',
+              500: '#71717a',
+              600: '#52525b',
+              700: '#3f3f46',
+              800: '#27272a',
+              900: '#18181b',
+            },
+            blue: {
+              400: '#60a5fa',
+              500: '#3b82f6',
+              600: '#2563eb',
+            }
+          }
+        }
+      }
+    }
+  </script>
+
+  <style>
+    :root {
+      --bg-primary: theme('colors.zinc.50');
+      --bg-secondary: theme('colors.white');
+      --text-primary: theme('colors.zinc.800');
+      --text-secondary: theme('colors.zinc.600');
+      --border-color: theme('colors.zinc.100');
+      --accent-color: theme('colors.blue.500');
+    }
+
+    @media (prefers-color-scheme: dark) {
+      :root {
+        --bg-primary: theme('colors.black');
+        --bg-secondary: theme('colors.zinc.900');
+        --text-primary: theme('colors.zinc.100');
+        --text-secondary: theme('colors.zinc.400');
+        --border-color: rgba(63, 63, 70, 0.4);
+        --accent-color: theme('colors.blue.400');
+      }
+    }
+
+    body {
+      background-color: var(--bg-primary);
+      color: var(--text-primary);
+    }
+  </style>
+</head>
+<body class="flex h-full flex-col">
+  <div class="flex w-full flex-col">
+    <!-- 主内容区域 -->
+    <div class="relative flex w-full flex-col bg-white ring-1 ring-zinc-100 dark:bg-zinc-900 dark:ring-zinc-300/20">
+      <main class="flex-auto">
+        <div class="sm:px-8 mt-16 sm:mt-32">
+          <div class="mx-auto w-full max-w-7xl lg:px-8">
+            <div class="relative px-4 sm:px-8 lg:px-12">
+              <div class="mx-auto max-w-2xl lg:max-w-5xl">
+
+                <!-- 标题区域 -->
+                <div class="max-w-2xl">
+                  <div class="text-6xl mb-6">🔍</div>
+                  <h1 class="text-4xl font-bold tracking-tight text-zinc-800 sm:text-5xl dark:text-zinc-100">
+                    搜索聚合服务
+                  </h1>
+                  <p class="mt-6 text-base text-zinc-600 dark:text-zinc-400">
+                    基于 Cloudflare Workers 的多引擎搜索聚合服务,支持 Google、DuckDuckGo、Bing、Brave Search,兼容 SearXNG API 规范。
+                  </p>
+                </div>
+
+                <!-- 搜索表单 -->
+                <div class="mt-16 rounded-2xl border border-zinc-100 p-6 dark:border-zinc-700/40">
+                  <form id="searchForm" class="space-y-4">
+                    <div>
+                      <label for="searchQuery" class="block text-sm font-medium text-zinc-900 dark:text-zinc-100 mb-2">
+                        搜索内容
+                      </label>
+                      <input
+                        type="text"
+                        id="searchQuery"
+                        placeholder="输入搜索关键词..."
+                        required
+                        class="w-full rounded-md bg-white px-4 py-2 text-sm text-zinc-900 shadow-sm ring-1 ring-inset ring-zinc-300 placeholder:text-zinc-400 focus:ring-2 focus:ring-blue-500 dark:bg-zinc-800 dark:text-zinc-100 dark:ring-zinc-700 dark:placeholder:text-zinc-500"
+                      >
+                    </div>
+
+                    <div>
+                      <label class="block text-sm font-medium text-zinc-900 dark:text-zinc-100 mb-2">
+                        选择搜索引擎
+                      </label>
+                      <div class="grid grid-cols-2 gap-2">
+                        <label class="flex items-center space-x-2 ${
+                          GOOGLE_ENABLED
+                            ? "cursor-pointer"
+                            : "cursor-not-allowed opacity-50"
+                        }" ${
+    !GOOGLE_ENABLED ? 'title="Google 引擎需要配置 API Key"' : ""
+  }>
+                          <input type="checkbox" name="engine" value="google" ${
+                            GOOGLE_ENABLED
+                              ? handlerEngineDefaultChecked("google")
+                              : "disabled"
+                          } class="rounded text-blue-500 focus:ring-blue-500 ${
+    !GOOGLE_ENABLED ? "cursor-not-allowed" : ""
+  }">
+                          <span class="text-sm text-zinc-700 dark:text-zinc-300">
+                            Google
+                            ${
+                              !GOOGLE_ENABLED
+                                ? '<span class="text-xs text-zinc-400 dark:text-zinc-500 ml-1">(未配置)</span>'
+                                : ""
+                            }
+                          </span>
+                        </label>
+                        <label class="flex items-center space-x-2 cursor-pointer">
+                          <input type="checkbox" name="engine" value="duckduckgo" ${handlerEngineDefaultChecked(
+                            "duckduckgo"
+                          )} class="rounded text-blue-500 focus:ring-blue-500">
+                          <span class="text-sm text-zinc-700 dark:text-zinc-300">DuckDuckGo</span>
+                        </label>
+                        <label class="flex items-center space-x-2 cursor-pointer" title="结果质量不稳定，不建议开启">
+                          <input type="checkbox" name="engine" value="bing" ${handlerEngineDefaultChecked(
+                            "bing"
+                          )} class="rounded text-blue-500 focus:ring-blue-500">
+                          <span class="text-sm text-zinc-700 dark:text-zinc-300">
+                            Bing
+                            <span class="text-xs text-zinc-400 dark:text-zinc-500 ml-1">(不稳定)</span>
+                          </span>
+                        </label>
+                        <label class="flex items-center space-x-2 cursor-pointer">
+                          <input type="checkbox" name="engine" value="brave" ${handlerEngineDefaultChecked(
+                            "brave"
+                          )} class="rounded text-blue-500 focus:ring-blue-500">
+                          <span class="text-sm text-zinc-700 dark:text-zinc-300">Brave</span>
+                        </label>
+                      </div>
+                    </div>
+
+                    <button
+                      type="submit"
+                      id="searchBtn"
+                      class="w-full rounded-md bg-zinc-900 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-zinc-700 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-zinc-900 dark:bg-blue-500 dark:hover:bg-blue-400"
+                    >
+                      开始搜索
+                    </button>
+                  </form>
+                </div>
+
+                <!-- 搜索结果区域 -->
+                <div id="resultsSection" class="mt-8 hidden">
+                  <div class="rounded-2xl border border-zinc-100 p-6 dark:border-zinc-700/40">
+                    <div class="flex items-center justify-between mb-4">
+                      <h2 class="text-lg font-semibold text-zinc-900 dark:text-zinc-100">
+                        搜索结果 <span id="resultCount" class="text-sm font-normal text-zinc-500"></span>
+                      </h2>
+                      <button id="clearBtn" class="text-sm text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-zinc-100">
+                        清除结果
+                      </button>
+                    </div>
+                    <div id="results" class="space-y-4"></div>
+                  </div>
+                </div>
+
+                <!-- API 使用方式 -->
+                <div class="mt-16 rounded-2xl border border-zinc-100 p-6 dark:border-zinc-700/40">
+                  <h2 class="text-lg font-semibold text-zinc-900 dark:text-zinc-100 mb-4">
+                    API 调用方式
+                  </h2>
+                  <div class="space-y-4 text-sm text-zinc-600 dark:text-zinc-400">
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100 mb-2">GET 请求</div>
+                      <code class="text-xs text-blue-600 dark:text-blue-400 break-all" id="apiExample1"></code>
+                    </div>
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100 mb-2">POST 请求</div>
+                      <code class="text-xs text-blue-600 dark:text-blue-400 break-all" id="apiExample2"></code>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- 支持的搜索引擎 -->
+                <div class="mt-16 rounded-2xl border border-zinc-100 p-6 dark:border-zinc-700/40">
+                  <h2 class="text-lg font-semibold text-zinc-900 dark:text-zinc-100 mb-4">
+                    支持的搜索引擎
+                  </h2>
+                  <div class="grid grid-cols-2 gap-4">
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50 ${
+                      !GOOGLE_ENABLED ? "opacity-50" : ""
+                    }">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100">
+                        Google
+                        ${
+                          !GOOGLE_ENABLED
+                            ? '<span class="text-xs text-zinc-400 dark:text-zinc-500 ml-1">(未配置)</span>'
+                            : ""
+                        }
+                      </div>
+                      <p class="text-xs text-zinc-600 dark:text-zinc-400 mt-1">
+                        全球最大的搜索引擎${
+                          !GOOGLE_ENABLED ? ",需配置 API Key" : ""
+                        }
+                      </p>
+                    </div>
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100">DuckDuckGo</div>
+                      <p class="text-xs text-zinc-600 dark:text-zinc-400 mt-1">注重隐私保护的搜索引擎</p>
+                    </div>
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100">
+                        Bing
+                        <span class="text-xs text-zinc-400 dark:text-zinc-500 ml-1">(不稳定)</span>
+                      </div>
+                      <p class="text-xs text-zinc-600 dark:text-zinc-400 mt-1">微软的搜索引擎，目前结果质量尚不稳定</p>
+                    </div>
+                    <div class="rounded-lg bg-zinc-50 p-4 dark:bg-zinc-800/50">
+                      <div class="font-medium text-zinc-900 dark:text-zinc-100">Brave Search</div>
+                      <p class="text-xs text-zinc-600 dark:text-zinc-400 mt-1">独立的搜索引擎</p>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- 功能特性 -->
+                <div class="mt-16 grid grid-cols-2 gap-4">
+                  <div class="flex items-center text-sm text-zinc-600 dark:text-zinc-400">
+                    <svg class="w-5 h-5 mr-2 text-blue-500" fill="currentColor" viewBox="0 0 20 20">
+                      <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd"/>
+                    </svg>
+                    多引擎聚合
+                  </div>
+                  <div class="flex items-center text-sm text-zinc-600 dark:text-zinc-400">
+                    <svg class="w-5 h-5 mr-2 text-blue-500" fill="currentColor" viewBox="0 0 20 20">
+                      <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd"/>
+                    </svg>
+                    SearXNG 兼容
+                  </div>
+                </div>
+
+              </div>
+            </div>
+          </div>
+        </div>
+      </main>
+
+      <!-- 页脚 -->
+      <footer class="mt-32">
+        <div class="sm:px-8">
+          <div class="mx-auto w-full max-w-7xl lg:px-8">
+            <div class="border-t border-zinc-100 pt-10 pb-16 dark:border-zinc-700/40">
+              <div class="relative px-4 sm:px-8 lg:px-12">
+                <div class="mx-auto max-w-2xl lg:max-w-5xl">
+                  <div class="flex flex-col items-center justify-between gap-6 sm:flex-row">
+                    <p class="text-sm text-zinc-400 dark:text-zinc-500">
+                      Powered by Cloudflare Workers
+                    </p>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </footer>
+    </div>
+  </div>
+
+  <script>
+    // 获取当前域名
+    const currentOrigin = window.location.origin;
+
+    // 填充 API 示例
+    document.getElementById('apiExample1').textContent = currentOrigin + '/search?q=yrobot';
+    document.getElementById('apiExample2').textContent = 'curl -X POST "' + currentOrigin + '/search" -d "q=yrobot&engines=duckduckgo,bing"';
+
+    // 搜索表单提交
+    document.getElementById('searchForm').addEventListener('submit', async function(event) {
+      event.preventDefault();
+
+      const query = document.getElementById('searchQuery').value.trim();
+      if (!query) return;
+
+      // 获取选中的搜索引擎 (非必填)
+      const engines = Array.from(document.querySelectorAll('input[name="engine"]:checked:not(:disabled)'))
+        .map(cb => cb.value)
+        .join(',');
+
+      // 显示加载状态
+      const searchBtn = document.getElementById('searchBtn');
+      const originalText = searchBtn.textContent;
+      searchBtn.textContent = '搜索中...';
+      searchBtn.disabled = true;
+
+      try {
+        // 调用搜索 API
+        const url = \`\${currentOrigin}/search?q=\${encodeURIComponent(query)}\`;
+        const response = await fetch(engines ? \`\${url}&engines=\${engines}\` : url);
+        const data = await response.json();
+
+        // 显示结果
+        displayResults(data);
+      } catch (error) {
+        alert('搜索失败: ' + error.message);
+      } finally {
+        searchBtn.textContent = originalText;
+        searchBtn.disabled = false;
+      }
+    });
+
+    // 显示搜索结果
+    function displayResults(data) {
+      const resultsSection = document.getElementById('resultsSection');
+      const resultsContainer = document.getElementById('results');
+      const resultCount = document.getElementById('resultCount');
+
+      resultsSection.classList.remove('hidden');
+      resultCount.textContent = \`(共 \${data.number_of_results} 条)\`;
+
+      if (data.results && data.results.length > 0) {
+        resultsContainer.innerHTML = data.results.map((result, index) => \`
+          <div class="rounded-lg bg-zinc-50 p-4 overflow-scroll dark:bg-zinc-800/50 hover:bg-zinc-100 dark:hover:bg-zinc-800 transition">
+            <div class="flex items-start justify-between">
+              <div class="flex-1 overflow-hidden">
+                <a href="\${result.url}" target="_blank" class="text-base font-medium text-blue-600 dark:text-blue-400 hover:underline">
+                  \${result.title || '无标题'}
+                </a>
+                <p class="text-xs text-zinc-500 dark:text-zinc-500 mt-1">\${result.url}</p>
+                <p class="text-sm text-zinc-700 dark:text-zinc-300 mt-2">\${result.description || '暂无描述'}</p>
+              </div>
+              <span class="ml-4 text-xs text-zinc-500 dark:text-zinc-500 bg-zinc-200 dark:bg-zinc-700 px-2 py-1 rounded">\${result.engine}</span>
+            </div>
+          </div>
+        \`).join('');
+      } else {
+        resultsContainer.innerHTML = '<p class="text-center text-zinc-500 dark:text-zinc-400">没有找到相关结果</p>';
+      }
+
+      // 滚动到结果区域
+      resultsSection.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+    }
+
+    // 清除结果
+    document.getElementById('clearBtn').addEventListener('click', function() {
+      document.getElementById('resultsSection').classList.add('hidden');
+      document.getElementById('results').innerHTML = '';
+    });
+  </script>
+</body>
+</html>`;
+}
--- a/utils/index.js
+++ b/utils/index.js
@@ -0,0 +1,6 @@
+export const normalizeResults = (results) =>
+  results.map((result) => ({
+    title: result.title || result.name || "",
+    url: result.url || result.link || result.href || "",
+    description: result.description || result.content || result.snippet || "",
+  }));
--- a/utils/searchBing.js
+++ b/utils/searchBing.js
@@ -0,0 +1,112 @@
+import { normalizeResults } from "./index.js";
+
+/**
+ * Extract real URL from Bing redirect URL
+ * Bing uses URLs like https://www.bing.com/ck/a?...&u=a1<base64>...
+ * The 'u' parameter contains 'a1' + base64 encoded real URL
+ */
+function extractRealUrl(bingUrl) {
+  // Return as-is if not a Bing redirect URL
+  if (!bingUrl.includes("bing.com/ck/a?")) {
+    return bingUrl;
+  }
+
+  try {
+    // HTML entities like &amp; need to be decoded first
+    const decodedUrl = bingUrl.replace(/&amp;/g, "&");
+    const url = new URL(decodedUrl);
+    const uParam = url.searchParams.get("u");
+
+    if (!uParam) {
+      return bingUrl;
+    }
+
+    // The 'u' parameter starts with 'a1' followed by base64 encoded URL
+    if (uParam.startsWith("a1")) {
+      const base64Part = uParam.substring(2); // Remove 'a1' prefix
+
+      // Decode from base64 (use Buffer in Node.js, atob in browser)
+      const decoded =
+        typeof Buffer !== "undefined"
+          ? Buffer.from(base64Part, "base64").toString("utf-8")
+          : atob(base64Part);
+
+      return decoded;
+    }
+
+    return bingUrl;
+  } catch (error) {
+    // If extraction fails, return original URL
+    return bingUrl;
+  }
+}
+
+// type subSearch under index.d.ts
+// TODO: support language, time_range, pageno
+async function searchBing({ query, language, time_range, pageno, signal }) {
+  const searchUrl = `https://www.bing.com/search?q=${encodeURIComponent(
+    query
+  )}&form=QBLH&sp=-1&lq=0&pq=&sc=0-0&qs=n&sk=&cvid=&ghsh=0&ghacc=0&ghpl=`;
+
+  const response = await fetch(searchUrl, {
+    signal,
+    headers: {
+      accept:
+        "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
+      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8,zh-TW;q=0.7",
+      priority: "u=0, i",
+      "sec-ch-ua":
+        '"Chromium";v="142", "Google Chrome";v="142", "Not_A Brand";v="99"',
+      "sec-ch-ua-mobile": "?0",
+      "sec-ch-ua-platform": '"macOS"',
+      "sec-fetch-dest": "document",
+      "sec-fetch-mode": "navigate",
+      "sec-fetch-site": "none",
+      "sec-fetch-user": "?1",
+      "upgrade-insecure-requests": "1",
+    },
+  });
+
+  if (!response.ok) {
+    console.error(`Bing search failed: ${response.status}`);
+    return [];
+  }
+
+  const html = await response.text();
+
+  if (!html) throw new Error("html is empty");
+
+  const results = [];
+
+  // Parse Bing search results from HTML
+  // Bing uses <li class="b_algo"> for organic search results
+  // Updated regex to match current Bing HTML structure where <h2> and <a> are siblings
+  const resultRegex =
+    /<li class="b_algo"[^>]*>[\s\S]*?<h2[^>]*><a[^>]*href="([^"]+)"[^>]*>([\s\S]*?)<\/a><\/h2>[\s\S]*?<div class="b_caption"[^>]*>[\s\S]*?<p[^>]*>([\s\S]*?)<\/p>/g;
+
+  let match;
+  while ((match = resultRegex.exec(html)) !== null) {
+    let url = match[1];
+    // Remove HTML tags from title
+    const title = match[2].replace(/<[^>]+>/g, "");
+    // Remove HTML tags from description
+    const description = match[3].replace(/<[^>]+>/g, "");
+
+    // Extract real URL from Bing redirect URL
+    url = extractRealUrl(url);
+
+    results.push({
+      title: title.trim(),
+      url: url.trim(),
+      description: description.trim(),
+    });
+  }
+
+  if (results.length === 0) {
+    throw new Error("can't find results in html");
+  }
+
+  return normalizeResults(results);
+}
+
+export default searchBing;
--- a/utils/searchBrave.js
+++ b/utils/searchBrave.js
@@ -0,0 +1,70 @@
+import { normalizeResults } from "./index.js";
+
+// type subSearch under index.d.ts
+// TODO: support language, time_range, pageno
+async function searchBrave({ query, language, time_range, pageno, signal }) {
+  const searchUrl = `https://search.brave.com/search?q=${encodeURIComponent(
+    query
+  )}&spellcheck=0&source=web&summary=0`;
+
+  const response = await fetch(searchUrl, {
+    signal,
+    headers: {
+      accept:
+        "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
+      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8,zh-TW;q=0.7",
+      priority: "u=0, i",
+      "sec-ch-ua":
+        '"Chromium";v="142", "Google Chrome";v="142", "Not_A Brand";v="99"',
+      "sec-ch-ua-mobile": "?0",
+      "sec-ch-ua-platform": '"macOS"',
+      "sec-fetch-dest": "document",
+      "sec-fetch-mode": "navigate",
+      "sec-fetch-site": "none",
+      "sec-fetch-user": "?1",
+      "upgrade-insecure-requests": "1",
+      cookie:
+        "ui_lang=zh; country=all; safesearch=off; useLocation=0; __Secure-sku#brave-search-captcha=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",
+    },
+    referrer: "https://search.brave.com/search?source=web",
+  });
+
+  if (!response.ok) {
+    console.error(`Brave search failed: ${response.status}`);
+    return [];
+  }
+  const html = await response.text();
+
+  if (!html) throw new Error("html is empty");
+
+  let data;
+
+  html.split("\n").forEach((line) => {
+    if (data) return;
+    if (line.trimStart().startsWith(`data: [{type:"data",`)) {
+      const pureLine = line.trim();
+      const jsonStr = pureLine.slice(
+        "data: ".length,
+        pureLine.endsWith(",") ? -1 : undefined
+      );
+      data = eval("(" + jsonStr + ")");
+    }
+  });
+
+  if (!data) throw new Error("can't find data in html");
+
+  let result;
+
+  data.forEach((item) => {
+    if (result) return;
+    if (item?.data?.body?.response?.web?.results)
+      result = normalizeResults(item.data.body.response.web.results);
+  });
+
+  if (!result) throw new Error("can't find result in data");
+  if (!(result instanceof Array)) throw new Error("result is not an array");
+
+  return result;
+}
+
+export default searchBrave;
--- a/utils/searchDuckDuckGo.js
+++ b/utils/searchDuckDuckGo.js
@@ -0,0 +1,146 @@
+import { normalizeResults } from "./index.js";
+
+/**
+ * 从 HTML 响应中提取搜索结果
+ * DuckDuckGo 的 HTML 版本更稳定，不容易被反爬虫机制拦截
+ */
+function extractResultsFromHTML(html) {
+  const results = [];
+
+  // 匹配搜索结果容器 - DuckDuckGo 使用 class="result" 的 div
+  const resultRegex =
+    /<div[^>]*class="[^"]*result[^"]*"[^>]*>([\s\S]*?)<div class="clear"><\/div>/gi;
+  const matches = html.matchAll(resultRegex);
+
+  for (const match of matches) {
+    const resultHTML = match[1];
+
+    // 提取标题 - 在 <h2 class="result__title"> 中
+    const titleMatch = resultHTML.match(
+      /<h2[^>]*class="result__title"[^>]*>[\s\S]*?<a[^>]*>(.*?)<\/a>/i
+    );
+    const title = titleMatch
+      ? titleMatch[1].replace(/<[^>]*>/g, "").trim()
+      : "";
+
+    // 提取 URL - DuckDuckGo 使用重定向链接，格式为 //duckduckgo.com/l/?uddg=真实URL
+    // 需要从 uddg 参数中解码真实 URL
+    const linkMatch = resultHTML.match(
+      /<a[^>]*class="[^"]*result__a[^"]*"[^>]*href="\/\/duckduckgo\.com\/l\/\?uddg=([^"&]+)/i
+    );
+
+    let url = "";
+    if (linkMatch) {
+      try {
+        // 解码 URL
+        url = decodeURIComponent(linkMatch[1]);
+      } catch (e) {
+        console.error("[DuckDuckGo] Failed to decode URL:", e);
+      }
+    }
+
+    // 提取描述 - 在 <a class="result__snippet"> 中
+    const snippetMatch = resultHTML.match(
+      /<a[^>]*class="[^"]*result__snippet[^"]*"[^>]*>([\s\S]*?)<\/a>/i
+    );
+    const description = snippetMatch
+      ? snippetMatch[1].replace(/<[^>]*>/g, "").trim()
+      : "";
+
+    // 只添加有效的结果
+    if (title && url && !url.startsWith("javascript:")) {
+      results.push({
+        title: decodeHTMLEntities(title),
+        url: url,
+        content: decodeHTMLEntities(description),
+      });
+    }
+  }
+
+  return results;
+}
+
+/**
+ * 解码 HTML 实体
+ */
+function decodeHTMLEntities(text) {
+  if (!text) return "";
+  return text
+    .replace(/&amp;/g, "&")
+    .replace(/&lt;/g, "<")
+    .replace(/&gt;/g, ">")
+    .replace(/&quot;/g, '"')
+    .replace(/&#x27;/g, "'")
+    .replace(/&#x2F;/g, "/")
+    .replace(/&#39;/g, "'")
+    .replace(/<[^>]*>/g, ""); // 移除任何剩余的 HTML 标签
+}
+
+/**
+ * 搜索 DuckDuckGo
+ * 使用 HTML 版本，更稳定且不容易被反爬虫机制拦截
+ * @param {Object} params - 搜索参数
+ * @param {string} params.query - 搜索关键词
+ * @param {string} [params.language] - 语言设置
+ * @param {string} [params.time_range] - 时间范围
+ * @param {number} [params.pageno] - 页码 (默认: 0)
+ * @returns {Promise<Array>} 搜索结果数组
+ */
+async function searchDuckDuckGo({ query, language, time_range, pageno, signal }) {
+  try {
+    if (!query) throw new Error("Query cannot be empty!");
+
+    // 构建查询参数 - 使用 HTML 版本
+    const queryParams = {
+      q: query,
+      kl: language === "zh" ? "cn-zh" : "wt-wt", // 语言/区域
+      df: time_range || "", // 时间范围
+      s: String((pageno || 0) * 30), // 偏移量
+    };
+
+    const queryString = Object.entries(queryParams)
+      .filter(([_, value]) => value !== "")
+      .map(([key, value]) => `${key}=${encodeURIComponent(value)}`)
+      .join("&");
+
+    // 使用 /html 端点
+    const searchUrl = `https://html.duckduckgo.com/html/?${queryString}`;
+
+    const response = await fetch(
+      searchUrl,
+      {
+        signal,
+        headers: {
+          "User-Agent":
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+          Accept:
+            "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
+          "Accept-Language": "en-US,en;q=0.5",
+          Referer: "https://duckduckgo.com/",
+        },
+      }
+    );
+
+    if (!response.ok) {
+      console.error(`[DuckDuckGo] Search failed: ${response.status}`);
+      return [];
+    }
+
+    const html = await response.text();
+
+    // 从 HTML 中提取结果
+    const results = extractResultsFromHTML(html);
+
+    if (results.length === 0) {
+      console.log(`[DuckDuckGo] No results found for query: ${query}`);
+      return [];
+    }
+
+    return normalizeResults(results);
+  } catch (error) {
+    console.error("[DuckDuckGo] Search error:", error.message);
+    return [];
+  }
+}
+
+export default searchDuckDuckGo;
--- a/utils/searchGoogle.js
+++ b/utils/searchGoogle.js
@@ -0,0 +1,34 @@
+import { normalizeResults } from "./index.js";
+import { env } from "../envs.js";
+
+// type subSearch under index.d.ts
+// TODO: support language, time_range, pageno
+async function searchGoogle({ query, language, time_range, pageno, signal }) {
+  const searchUrl = `https://www.googleapis.com/customsearch/v1?key=${env.GOOGLE_API_KEY}&cx=${env.GOOGLE_CX}&q=${encodeURIComponent(
+    query
+  )}`;
+
+  const response = await fetch(searchUrl, { signal });
+
+  if (!response.ok) {
+    console.error(await response.text());
+    return [];
+  }
+
+  const data = await response.json();
+  const results = [];
+
+  if (data.items && Array.isArray(data.items)) {
+    for (const item of data.items) {
+      results.push({
+        title: item.title,
+        url: item.link,
+        content: item.snippet || "",
+      });
+    }
+  }
+
+  return normalizeResults(results);
+}
+
+export default searchGoogle;