From f2c832330d264518f23f75b014650b45453a5e15 Mon Sep 17 00:00:00 2001
From: Taskeren <r0yalist@outlook.com>
Date: Sun, 18 Jun 2023 00:29:44 +0800
Subject: [PATCH] added sensitive words filtering

---
 .gitmodules             |  3 +++
 package.json            |  3 ++-
 pnpm-lock.yaml          |  7 +++++++
 server.ts               | 19 +++++++++++++++++++
 tencent-sensitive-words |  1 +
 5 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 .gitmodules
 create mode 160000 tencent-sensitive-words

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..7693603
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "tencent-sensitive-words"]
+	path = tencent-sensitive-words
+	url = git@github.com:cjh0613/tencent-sensitive-words.git
diff --git a/package.json b/package.json
index fbd74f2..4151a7a 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "axios": "^1.4.0",
     "body-parser": "^1.20.2",
     "cookie-parser": "^1.4.6",
-    "express": "^4.18.2"
+    "express": "^4.18.2",
+    "js-sensitivewords": "^0.7.0"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b64a1fd..293fbe7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -20,6 +20,9 @@ dependencies:
   express:
     specifier: ^4.18.2
     version: 4.18.2
+  js-sensitivewords:
+    specifier: ^0.7.0
+    version: 0.7.0
 
 devDependencies:
   '@types/cookie-parser':
@@ -474,6 +477,10 @@ packages:
     engines: {node: '>= 0.10'}
     dev: false
 
+  /js-sensitivewords@0.7.0:
+    resolution: {integrity: sha512-A/UKSftoB0EoDIx2e50w2vABLM2E4JHfvA39YMO8hTMz6hzOZT6NplIJ54d1ftgwt0QAJ9BDXwhOYLIdyMDH2w==}
+    dev: false
+
   /make-error@1.3.6:
     resolution: {integrity: sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==}
     dev: true
diff --git a/server.ts b/server.ts
index 5535c45..8baaf64 100644
--- a/server.ts
+++ b/server.ts
@@ -2,6 +2,11 @@ import express, { Request, Response } from "express"
 import { json as bodyParserJson, urlencoded as bodyParserUrlEncoded } from "body-parser"
 import cookieParser from "cookie-parser"
 import { Axios } from "axios"
+import * as fs from "fs"
+
+const sw = require("js-sensitivewords")
+
+initSensitiveWordList()
 
 const app = express()
 
@@ -28,6 +33,10 @@ app.post("/register", async (req: Request, res: Response) => {
         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(username.length < 4) {
         return res.status(400).send("账号太短啦～")
     }
@@ -56,6 +65,8 @@ app.post("/register", async (req: Request, res: Response) => {
 
 const server = app.listen(8090, () => console.log("Server is running..."))
 
+////////// Interact with Explode Server
+
 const _axios = new Axios({})
 
 type HasId = {
@@ -92,4 +103,12 @@ async function explode_does_user_exists(username: string) {
     }>(`query { userByUsername(username: "${username}") { _id } }`)
 
     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)
 }
\ No newline at end of file
diff --git a/tencent-sensitive-words b/tencent-sensitive-words
new file mode 160000
index 0000000..a39ff34
--- /dev/null
+++ b/tencent-sensitive-words
@@ -0,0 +1 @@
+Subproject commit a39ff3487ca8c7ca507cd9d53077797ee2cc89a4