feat: initial commit for TheFarmer project

server/src/qrlib/utils.js

@@ -0,0 +1,52 @@
+const axios = require('axios');
+
+/**
+ * Cookie handling utilities
+ */
+class CookieUtils {
+    static parse(cookieStr) {
+        if (!cookieStr) return {};
+        return cookieStr.split(';').reduce((acc, curr) => {
+            const [key, value] = curr.split('=');
+            if (key) acc[key.trim()] = value ? value.trim() : '';
+            return acc;
+        }, {});
+    }
+
+    static getValue(cookies, key) {
+        if (!cookies) return null;
+        if (Array.isArray(cookies)) cookies = cookies.join('; ');
+        const match = cookies.match(new RegExp(`(?:^|;\\s*)${key}=([^;]*)`));
+        return match ? match[1] : null;
+    }
+
+    static getUin(cookies) {
+        const uin = this.getValue(cookies, 'wxuin') || this.getValue(cookies, 'uin') || this.getValue(cookies, 'ptui_loginuin');
+        if (!uin) return null;
+        // Remove leading 'o' if present (common in QQ cookies like 'o123456')
+        return uin.replace(/^o0*/, '');
+    }
+}
+
+/**
+ * Hashing utilities for QQ login
+ */
+class HashUtils {
+    static hash(str) {
+        let hash = 0;
+        for (let i = 0; i < str.length; i++) {
+            hash += (hash << 5) + str.charCodeAt(i);
+        }
+        return 2147483647 & hash;
+    }
+
+    static getGTk(pskey) {
+        let gtk = 5381;
+        for (let i = 0; i < pskey.length; i++) {
+            gtk += (gtk << 5) + pskey.charCodeAt(i);
+        }
+        return gtk & 0x7fffffff;
+    }
+}
+
+module.exports = { CookieUtils, HashUtils };