[哲也] 增加一些功能

script/zheye/server/workers.js

@@ -0,0 +1,50 @@
+addEventListener("fetch", (event) => {
+  if (event.request.method === "POST" && event.request.url.endsWith("api/v1/answer/links")) {
+    event.respondWith(handlePostRequest(event.request));
+  } else {
+    event.respondWith(new Response('Forbidden', {status: 403}));
+  }
+});
+
+async function handlePostRequest(request) {
+  let requestBody = await request.json();
+  let promise = [];
+  let checkResult = [];
+  for (let link of requestBody) {
+    promise.push(_request(link));
+  }
+  await Promise.all(promise).then(result => {
+    checkResult = result;
+  })
+  let bodyString = JSON.stringify(checkResult);
+  return new Response(bodyString, {status: 200});
+}
+
+async function _request(url) {
+  return new Promise(resolve => {
+    if (!url || url === "" || !url.startsWith("https://www.zhihu.com/appview/v2/answer")) {
+      resolve("");
+    } else {
+      fetch(url).then(async resp => {
+        let responseText = await resp.text();
+        // 付费内容
+        if ((responseText.indexOf("查看完整内容") >= 0 || responseText.indexOf("查看全部章节") >= 0) && responseText.indexOf("paid") >= 0) {
+          resolve("付费内容");
+        }
+        // 营销推广提醒
+        else if (responseText.indexOf("ad-link-card") >= 0 || responseText.indexOf("xg.zhihu.com") >= 0 || responseText.indexOf("营销平台") >= 0) {
+          resolve("营销推广");
+        }
+        // 购物推广提醒
+        else if (responseText.indexOf("mcn-link-card") >= 0) {
+          resolve("购物推广");
+        } else {
+          resolve("");
+        }
+      }).catch(err => {
+        console.log(err);
+        resolve("");
+      });
+    }
+  });
+}