no more 谜语人

- respond with desc of the error
- fixed crashes on request error

package.json

@@ -4,7 +4,8 @@
   "description": "You know the rules and so do I~",
   "main": "index.js",
   "scripts": {
-    "dev": "ts-node server.ts"
+    "dev": "ts-node server.ts",
+    "pm2": "pm2 start npm --name explode-ss -- run dev"
   },
   "author": "",
   "license": "ISC",

server.ts

@@ -1,5 +1,8 @@
 import express, { Request, Response } from "express"
-import { json as bodyParserJson, urlencoded as bodyParserUrlEncoded } from "body-parser"
+import {
+  json as bodyParserJson,
+  urlencoded as bodyParserUrlEncoded,
+} from "body-parser"
 import cookieParser from "cookie-parser"
 import { Axios } from "axios"
 import * as fs from "fs"
@@ -17,50 +20,54 @@ app.use(cookieParser())
 app.use(express.static(__dirname + "/public"))
 
 app.get("/", (req: Request, res: Response) => {
-    res.render("layout")
+  res.render("layout")
 })
 
 app.post("/register", async (req: Request, res: Response) => {
+  try {
     let isRegistered = req.cookies.isRegistered
-    if(isRegistered) {
-        return res.send("服务器正在探索：利维坦，涅索斯轨道")
+    if (isRegistered) {
+      return res.send("服务器正在探索：利维坦，涅索斯轨道（请勿重复注册！）")
     }
 
     let username: string = req.body.RegisterUsername
     let password: string = req.body.RegisterPassword
 
-    if(!username || !password) {
-        return res.status(400).send("注册失败：无效的用户名或密码！")
+    if (!username || !password) {
+      return res.status(400).send("注册失败：无效的用户名或密码！")
     }
 
-    if(sw.containsDfa(username)) {
-        return res.status(500).send("服务器正在探索：过往灾祸，欧洲无人区")
+    if (sw.containsDfa(username)) {
+      return res.status(500).send("服务器正在探索：过往灾祸，欧洲无人区（名字或密码带有敏感内容！）")
     }
 
-    if(username.length < 4) {
-        return res.status(400).send("账号太短啦～")
+    if (username.length < 4) {
+      return res.status(400).send("账号太短啦～")
     }
-    if(password.length < 4) {
-        return res.status(400).send("密码太短啦～")
+    if (password.length < 4) {
+      return res.status(400).send("密码太短啦～")
     }
 
-    if(await explode_does_user_exists(username)) {
-        return res.status(400).send("名字撞车啦！")
+    if (await explode_does_user_exists(username)) {
+      return res.status(400).send("名字撞车啦！")
     }
 
     let hasId = await explode_register(username, password)
 
-    if(hasId != null) {
-        // 使用 cookie 避免重复注册
-        res.cookie("isRegistered", "1", {
-            expires: new Date(Date.now() + 9000000),
-            httpOnly: true
-        })
-        
-        return res.send(`注册成功，用户ID：${hasId._id}。要记住哦！`)
+    if (hasId != null) {
+      // 使用 cookie 避免重复注册
+      res.cookie("isRegistered", "1", {
+        expires: new Date(Date.now() + 9000000),
+        httpOnly: true,
+      })
+
+      return res.send(`注册成功，用户ID：${hasId._id}。要记住哦！`)
     } else {
-        return res.status(500).send("出错啦，注册失败了。")
+      return res.status(500).send("出错啦，注册失败了。")
     }
+  } catch (e) {
+    return res.status(500).send("服务器错误，请联系管理员！")
+  }
 })
 
 const server = app.listen(31234, () => console.log("Server is running..."))
@@ -70,45 +77,56 @@ const server = app.listen(31234, () => console.log("Server is running..."))
 const _axios = new Axios({})
 
 type HasId = {
-    _id: string
+  _id: string
 }
 
 async function explode_graphql<T>(query: string) {
-    return _axios.post<T>("http://43.142.173.63:10483/graphql", JSON.stringify({
-        "operationName": "",
-        "query": query,
-        variables: {}
-    }), {
-        // idk why is this happening, but it just happened that
-        // the response is string which should be transformed to JSON auto.
-        transformResponse: (resp) => JSON.parse(resp)
-    })
+  return _axios.post<T>(
+    "http://43.142.173.63:10483/graphql",
+    JSON.stringify({
+      operationName: "",
+      query: query,
+      variables: {},
+    }),
+    {
+      // idk why is this happening, but it just happened that
+      // the response is string which should be transformed to JSON auto.
+      transformResponse: (resp) => JSON.parse(resp),
+    }
+  )
 }
 
 async function explode_register(username: string, password: string) {
-    let response = await explode_graphql<{
-        data: {
-            registerUser: HasId
-        }
-    }>(`mutation { registerUser(username: "${username}", password: "${password}") { _id } }`)
+  let response = await explode_graphql<{
+    data: {
+      registerUser: HasId
+    }
+  }>(
+    `mutation { registerUser(username: "${username}", password: "${password}") { _id } }`
+  )
 
-    return response.data.data.registerUser
+  return response.data.data.registerUser
 }
 
 async function explode_does_user_exists(username: string) {
-    let response = await explode_graphql<{
-        data: {
-            userByUsername: HasId | undefined
-        }
-    }>(`query { userByUsername(username: "${username}") { _id } }`)
+  let response = await explode_graphql<{
+    data: {
+      userByUsername: HasId | undefined
+    }
+  }>(`query { userByUsername(username: "${username}") { _id } }`)
 
-    return !!response.data.data.userByUsername
+  return !!response.data.data.userByUsername
 }
 
 ////////// The Sensitive Words Blocking
 
 async function initSensitiveWordList() {
-    console.log("Loading sensitive words")
-    let words = fs.readFileSync(__dirname + "/tencent-sensitive-words/sensitive_words_lines.txt", {encoding: "utf-8"}).split("\n")
-    sw.addWords(words)
-}
+  console.log("Loading sensitive words")
+  let words = fs
+    .readFileSync(
+      __dirname + "/tencent-sensitive-words/sensitive_words_lines.txt",
+      { encoding: "utf-8" }
+    )
+    .split("\n")
+  sw.addWords(words)
+}