feat: 根据502647092提供的偏移，新增登录二维码

doc/3.9.2.26.md

@@ -34,3 +34,4 @@
 55.获取联系人或者群名称    
 56.获取消息附件(图片，视频，文件)    
 57.获取消息语音文件   
+58.登录二维码   

src/account_mgr.cc

@@ -1,21 +1,16 @@
 #include "pch.h"
 #include "account_mgr.h"
-
-
 #include "wechat_function.h"
 
 using namespace std;
 namespace wxhelper {
-    AccountMgr::AccountMgr(DWORD base):BaseMgr(base){
-
-    }
-     AccountMgr::~AccountMgr(){
-
-     }
+AccountMgr::AccountMgr(DWORD base) : BaseMgr(base) {}
+AccountMgr::~AccountMgr() {}
 int AccountMgr::GetSelfInfo(SelfInfoInner &out) {
   DWORD accout_service_addr = base_addr_ + WX_ACCOUNT_SERVICE_OFFSET;
   DWORD get_app_save_addr = base_addr_ + WX_GET_APP_DATA_SAVE_PATH_OFFSET;
-  DWORD get_current_data_path_addr = base_addr_ + WX_GET_CURRENT_DATA_PATH_OFFSET;
+  DWORD get_current_data_path_addr =
+      base_addr_ + WX_GET_CURRENT_DATA_PATH_OFFSET;
   DWORD service_addr = NULL;
   __asm {
       PUSHAD 
@@ -215,4 +210,35 @@ int AccountMgr::Logout() {
   return success;
 }
 
+/// @brief 根据 502647092 提供的偏移 获取二维码url
+/// @return 
+std::string AccountMgr::GetQRCodeUrl() {
+  DWORD qr_code_login_addr = base_addr_ + WX_QR_CODE_LOGIN_MGR_OFFSET ;
+  DWORD get_qr_code_img_addr = base_addr_ + WX_GET_QR_CODE_IMAGE_OFFSET ;
+ 
+  DWORD temp;
+  __asm {
+    PUSHAD
+    PUSHFD
+    CALL       qr_code_login_addr    
+    MOV        temp,EAX
+    POPFD
+    POPAD
+  }
+  std::string pre("https://weixin.qq.com/x/");
+  DWORD ptr = temp + 0x8;
+  DWORD len = *(DWORD*)(ptr+0x10);
+  if (*(DWORD *)(ptr) == 0) {
+    return std::string();
+  } else {
+    if( *(DWORD*) (temp+0x1c) > 0xf){
+      std::string suff(*(char **)ptr,len);
+      return pre + suff;
+    }else{
+       std::string suff((char *)ptr,len);
+      return pre + suff;
+    }
+  }
+}
+
 }  // namespace wxhelper

src/account_mgr.h

@@ -13,6 +13,8 @@ namespace wxhelper{
      int CheckLogin();
 
      int Logout();
+
+     std::string GetQRCodeUrl();
     };
     
 }

src/api_route.h

@@ -71,6 +71,7 @@ typedef enum HTTP_API_ROUTE {
   WECHAT_CONTACT_NAME,
   WECHAT_ATTACH_DOWNLOAD,
   WECHAT_GET_VOICE,
+  WECHAT_GET_QRCODE,
 } WECHAT_HTTP_APIS,
     *PWECHAT_HTTP_APIS;
 

src/http_handler.cc

@@ -572,6 +572,12 @@ string Dispatch(struct mg_connection *c, struct mg_http_message *hm) {
       ret = ret_data.dump();
       break;
     }
+    case WECHAT_GET_QRCODE: {
+      string url = g_context.account_mgr->GetQRCodeUrl();
+      json ret_data = {{"code", 1}, {"result", "OK"},{"qrCodeUrl",url}};
+      ret = ret_data.dump();
+      break;
+    }
     default:
       break;
   }

src/wechat_function.h

@@ -118,7 +118,8 @@
 #define WX_ACCOUNT_SERVICE_OFFSET 0x769720
 #define WX_GET_APP_DATA_SAVE_PATH_OFFSET 0xf3bbd0
 #define WX_GET_CURRENT_DATA_PATH_OFFSET 0xc88120
-
+#define WX_QR_CODE_LOGIN_MGR_OFFSET  0xaeab70
+#define WX_GET_QR_CODE_IMAGE_OFFSET   0xcdb560
  
 //forward
 #define WX_FORWARD_MSG_OFFSET 0xce75a0