initial commit (app returns google/startpage results)

app/src/index.js

@@ -0,0 +1,16 @@
+const express = require('express');
+const path = require('path');
+const handleSearch = require('./search');
+
+const app = express();
+const port = 3000;
+
+app.get('/', (req, res) => {
+  res.sendFile(path.join(__dirname, '/static/index.html'));
+});
+
+app.get('/search', handleSearch);
+
+app.listen(port, () => {
+  console.log(`App listening on port ${port}`);
+});

app/src/search.js

@@ -0,0 +1,45 @@
+const cheerio = require("cheerio");
+
+async function handleSearch(req, res) {
+  try {
+    const query = req.query.query;
+
+    if (!query) {
+      return res.status(400).send("Missing search query");
+    }
+
+    /* here we use a searx.ng instance (a meta-search engine) and filter out google search results.
+     * by testing, i've found out that !goc (google's programmable search engine) is more reliable for
+     * this kind of operation.
+     * the instance could be changed if the current one e.g. goes out of service.
+     */
+    /**
+     * more instances:
+     * https://baresearch.org/
+     */
+    //const url = `https://baresearch.org/search?q=!goc+${encodeURIComponent(query)}`;
+    const searxngUrl = process.env.SEARXNG_URL || "http://localhost:8080";
+    const params = new URLSearchParams({
+        q: query,
+        engines: "startpage",
+        format: "json"
+    }); 
+
+    const response = await fetch(
+        `${searxngUrl}/search?${params}`,
+        {
+            headers: {
+                Accept: "application/json"
+            }
+        }
+    );
+
+    const data = await response.json();
+    res.json(data.results || []);
+  } catch (error) {
+    console.error("[SEARCH.JS] " + error);
+    res.status(500).send("Search failed");
+  }
+}
+
+module.exports = handleSearch;

app/src/static/index.html

@@ -0,0 +1,12 @@
+<html>
+    <head>
+        <title>Searchthing</title>
+    </head>
+    <body>
+        <h1>search the web</h1>
+        <form action="/search" name="searchbox" method="GET">
+            search: <input type="text" name="query"/>
+            <input type="submit" value="submit"/>
+        </form>
+    </body>
+</html>