1 (#3924)

plugins/webcrawler/SPIDER/src/controllers/searchController.ts

@@ -0,0 +1,114 @@
+import { Request, Response } from 'express';
+import { Cluster } from 'puppeteer-cluster';
+import dotenv from 'dotenv';
+import { performDeepSearch } from '../utils/deepSearch';
+import { fetchSearchResults as fetchBaiduResults } from '../engines/baiduEngine';
+import { fetchSearchResults as fetchSearchxngResults } from '../engines/searchxngEngine';
+
+dotenv.config();
+
+const strategies = JSON.parse(process.env.STRATEGIES || '[]');
+const detectWebsites = process.env.DETECT_WEBSITES?.split(',') || [];
+const maxConcurrency = parseInt(process.env.MAX_CONCURRENCY || '10', 10);
+
+export const search = async (req: Request, res: Response): Promise<void> => {
+  const { query, pageCount = 10, needDetails = 'false', engine = 'baidu', categories = 'general' } = req.query;
+  const needDetailsBool = (needDetails === 'true');
+
+  if (!query) {
+    res.status(400).json({
+      status: 400,
+      error: {
+        code: "MISSING_PARAM",
+        message: "缺少必要参数: query"
+      }
+    });
+    return;
+  }
+  let fetchSearchResults;
+  let searchUrlBase;
+  try {
+      if (engine === 'baidu') {
+        fetchSearchResults = fetchBaiduResults;
+        searchUrlBase = process.env.ENGINE_BAIDUURL;
+      } else if (engine === 'searchxng') {
+        fetchSearchResults = fetchSearchxngResults;
+        searchUrlBase = process.env.ENGINE_SEARCHXNGURL;
+      } else {
+        res.status(400).json({
+          status: 400,
+          error: {
+            code: "INVALID_ENGINE",
+            message: "无效的搜索引擎"
+          }
+        });
+        return;
+      }
+
+    const { resultUrls, results } = await fetchSearchResults(query as string, Number(pageCount), searchUrlBase || '', categories as string);
+
+    //如果返回值为空，返回空数组
+    if (results.size === 0) {
+      console.log('No results found');
+      res.status(200).json({
+        status: 200,
+        data: {
+          results: []
+        }
+      });
+      return;
+    }
+
+    if (!needDetailsBool) {
+      console.log('Need details is false');
+      results.forEach((value: any) => {
+        if (value.crawlStatus === 'Pending') {
+          value.crawlStatus = 'Success';
+        }
+      });
+      res.status(200).json({
+        status: 200,
+        data: {
+          results: Array.from(results.values())
+        }
+      });
+    } else {
+      console.log('Need details is true');
+
+      const clusterInstance = await Cluster.launch({
+        concurrency: Cluster.CONCURRENCY_CONTEXT,
+        maxConcurrency: maxConcurrency,
+        puppeteerOptions: {
+          ignoreDefaultArgs: ["--enable-automation"],
+          headless: "true",
+          executablePath: "/usr/bin/chromium",  // 明确指定 Chromium 路径
+          pipe: true,
+          args: [
+            '--no-sandbox',
+            '--disable-setuid-sandbox',
+            '--disable-dev-shm-usage',
+            '--disable-gpu',
+          ]
+        }
+      });
+
+      const sortedResults = await performDeepSearch(clusterInstance, resultUrls, results, strategies, detectWebsites, Number(pageCount));
+      res.status(200).json({
+        status: 200,
+        data: {
+          results: sortedResults.slice(0, Number(pageCount))
+        }
+      });
+    }
+  } catch (error) {
+    res.status(500).json({
+      status: 500,
+      error: {
+        code: "INTERNAL_SERVER_ERROR",
+        message: "发生错误"
+      }
+    });
+  }
+};
+
+export default { search };