🤔 add(ds): 添加 ds 算法

src/core/utils/TGUtils.ts

@@ -2,17 +2,21 @@
  * @file core utils TGUtils.ts
  * @description 应用用到的工具函数
  * @author BTMuli<bt-muli@outlook.com>
- * @since Alpha v0.1.2
+ * @since Alpha v0.2.0
  */
 
 import { parseAnnoContent } from "./parseAnno";
 import { getAnnoCard } from "./getAnnoCard";
+import { getDS } from "./getDS";
 
 const TGUtils = {
   Anno: {
     getCard: getAnnoCard,
     parseContent: parseAnnoContent,
   },
+  User: {
+    getDS,
+  },
 };
 
 export default TGUtils;

src/core/utils/getDS.ts

@@ -0,0 +1,33 @@
+/**
+ * @description ds 算法
+ * @since Alpha v0.2.0
+ * @author BTMuli<bt-muli@outlook.com>
+ * @since Alpha v0.2.0
+ */
+
+// Node
+import { stringify } from "querystring";
+// Tauri.Genshin
+import { md5 } from "./tools";
+import TGConstant from "../constant/TGConstant";
+
+/**
+ * @description 获取 ds
+ * @since Alpha v0.2.0
+ * @version 2.34.1
+ * @param {string} query 查询字符串
+ * @param {string} body 请求体
+ * @returns {string} ds
+ */
+export function getDS (query: string, body: string): string {
+  const params = {
+    salt: TGConstant.SALT.Other.X4,
+    t: Math.floor(Date.now() / 1000).toString(),
+    r: Math.floor(Math.random() * 900000 + 100000).toString(),
+    b: body,
+    q: query,
+  };
+  const md5Str = md5(stringify(params));
+  const ds = `${params.t},${params.r},${md5Str}`;
+  return ds;
+}

src/core/utils/tools.ts

@@ -2,9 +2,11 @@
  * @file core utils tools.ts
  * @description 应用用到的工具函数
  * @author BTMuli<bt-muli@outlook.com>
- * @since Alpha v0.1.2
+ * @since Alpha v0.2.0
  */
 
+import crypto from "crypto";
+
 /**
  * @description 转义正则表达式
  * @since Alpha v0.1.2
@@ -23,3 +25,28 @@ export function decodeRegExp (data: string): string {
   res = res.replace(/&amp;/g, "&");
   return res;
 }
+
+/**
+ * @description 获取随机字符串
+ * @since Alpha v0.2.0
+ * @param {number} length 字符串长度
+ * @returns {string} 随机字符串
+ */
+export function getRandomString (length: number): string {
+  const str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+  let res = "";
+  for (let i = 0; i < length; i++) {
+    res += str[Math.floor(Math.random() * str.length)];
+  }
+  return res;
+}
+
+/**
+ * @description md5 加密
+ * @since Alpha v0.2.0
+ * @param {string} data 要加密的内容
+ * @returns {string} 加密后的内容
+ */
+export function md5 (data: string): string {
+  return crypto.createHash("md5").update(data).digest("hex");
+}