后台获取数据. 获取内容完成. TODO: 注册型客户端.

chromeproxy/background/worker.js

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+
+var task_manager = {
+}
+
+ 
+function GetTask(sender) {
+  fetch(GetTaskUrl).then(function (response) {
+    if (response.ok) {
+      response.json().then(function (task) {
+        if(task.code == 200) {
+          task_manager[sender.tab.id] = task;
+          chrome.tabs.executeScript(sender.tab.id, {runAt: "document_end", code: `window.location.href = "${task.data.url}"` }, function (results) {
+          })
+          Tell(sender, InjectMsgType.FETCH);
+        } else {
+          Tell(sender, InjectMsgType.NOTASK);
+        }
+      })
+    } else {
+      console.log("error response:",response.text())
+    }
+  }).catch(function (reason) {
+    console.log(reason);
+  })
+}
+
+function FinishTask(sender, content) {
+  var task = task_manager[sender.tab.id];
+ 
+  var formdata = new FormData();
+  formdata.append("taskid", task.data.taskid);
+  formdata.append("content", content);
+  
+  fetch(FinishTaskUrl, {method: "POST", body: formdata }).then(function (response) { 
+    if (response.ok) { 
+      response.json().then(function (value) { 
+        if (value.code == 200) {
+          GetTask(sender);
+          return
+        }
+      });
+    }
+  }).catch(function(error){
+    // TODO: 汇报错误
+    GetTask(sender);
+    return;
+  });
+}
+
+function ErrorTask(sender, error) {
+  var task = task_manager[sender.tab.id];
+  var formdata = new FormData();
+  formdata.append("taskid", task.data.taskid);
+  formdata.append("error", error);
+  fetch(ErrorTaskUrl, {method: "POST", body:  formdata});
+}
+
+chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
+  // console.log(request);
+  sendResponse({});
+  // console.log(request, sender); // 利用sender tab id 返回正确的任务id
+  switch (request.type) {
+    case BackgroundMsgType.CONTENT:
+      // 重新获取任务
+      FinishTask(sender, request.content);
+      break;
+    case BackgroundMsgType.ERROR:
+  
+      // 重新获取任务
+      ErrorTask(sender, request.error)
+      GetTask(sender);
+      break;
+    case BackgroundMsgType.GETTASK:
+      GetTask(sender);
+      break;
+    case BackgroundMsgType.NOTWANT:
+      Tell(sender,InjectMsgType.WAIT);
+      break;
+    default:
+      break;
+  }
+});
+
+function Tell(sender, jnjectType) {
+  try {
+    chrome.tabs.sendMessage(sender.tab.id , {type: jnjectType})
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+// 配置使用的监听
+chrome.webRequest.onBeforeRequest.addListener(function (details) {
+  if (details.url.startsWith("http://eson.config")) {
+    var params = new URLSearchParams(details.url)
+    GetTaskUrl = params.get("taskurl");
+    chrome.tabs.remove(details.tabId, function () { });
+    return { cancel: true };
+  }
+}, { 'urls': ["<all_urls>"] }, ['blocking']);
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+// chrome.webRequest.onCompleted.addListener(
+//   function (details) {
+//     console.log(details);
+//     console.log(document);
+//     // return { responseHeaders: details.responseHeaders};
+//   },
+//   {
+//     urls: ["<all_urls>"],
+//     types: [
+//       "main_frame",
+//       "sub_frame",
+//       "stylesheet",
+//       "script",
+//       "image",
+//       "object",
+//       "xmlhttprequest",
+//       "other"
+//     ]
+//   },
+//   ["responseHeaders", "extraHeaders"]
+// );
+
+
+
+// fetch('https://playerduo.com/api/playerDuo-service-v2/rip113?lang=en&deviceType=browser').then(r => r.text()).then(result => {
+//   // Result now contains the response text, do what you want...
+//   console.log(result);
+// })
+
+// chrome.webRequest.onBeforeRequest.addListener(function(data){
+//   // data contains request_body
+//   return {redirectUrl: "https://playerduo.com/api/playerDuo-service-v2/rip113?lang=en&deviceType=browser"};
+// },{'urls':["<all_urls>"]},['blocking']);