Impl GetContactByWxid

WeChatFerry/rpc/proto/wcf.proto

@@ -24,6 +24,7 @@ enum Functions {
     FUNC_RECV_TRANSFER    = 0x52;
     FUNC_REFRESH_PYQ      = 0x53;
     FUNC_DOWNLOAD_ATTACH  = 0x54;
+    FUNC_GET_CONTACT_INFO = 0x55;
     FUNC_DECRYPT_IMAGE    = 0x60;
     FUNC_ADD_ROOM_MEMBERS = 0x70;
     FUNC_DEL_ROOM_MEMBERS = 0x71;

WeChatFerry/spy/contact_mgmt.cpp

@@ -141,3 +141,45 @@ int AcceptNewFriend(string v3, string v4, int scene)
 
     return success; // 成功返回 1
 }
+
+/*没啥用，非好友获取不到*/
+RpcContact_t GetContactByWxid(string wxid)
+{
+    RpcContact_t contact;
+    char buff[0x440] = { 0 };
+    wstring wsWxid   = String2Wstring(wxid);
+    WxString pri(wsWxid);
+    DWORD contact_mgr_addr  = g_WeChatWinDllAddr + 0x75A4A0;
+    DWORD get_contact_addr  = g_WeChatWinDllAddr + 0xC04E00;
+    DWORD free_contact_addr = g_WeChatWinDllAddr + 0xEA7880;
+    __asm {
+        PUSHAD
+        PUSHFD
+        CALL       contact_mgr_addr
+        LEA        ECX,buff
+        PUSH       ECX
+        LEA        ECX,pri
+        PUSH       ECX
+        MOV        ECX,EAX
+        CALL       get_contact_addr
+        POPFD
+        POPAD
+    }
+
+    contact.wxid   = wxid;
+    contact.code   = GetStringByWstrAddr((DWORD)buff + g_WxCalls.contact.wxCode);
+    contact.remark = GetStringByWstrAddr((DWORD)buff + g_WxCalls.contact.wxRemark);
+    contact.name   = GetStringByWstrAddr((DWORD)buff + g_WxCalls.contact.wxName);
+    contact.gender = GET_DWORD((DWORD)buff + 0x148);
+
+    __asm {
+        PUSHAD
+        PUSHFD
+        LEA        ECX,buff
+        CALL       free_contact_addr
+        POPFD
+        POPAD
+    }
+
+    return contact;
+}

WeChatFerry/spy/contact_mgmt.h

@@ -7,3 +7,5 @@
 
 vector<RpcContact_t> GetContacts();
 int AcceptNewFriend(std::string v3, std::string v4, int scene);
+int AddFriendByWxid(std::string wxid, std::string msg);
+RpcContact_t GetContactByWxid(std::string wxid);

WeChatFerry/spy/rpc_server.cpp

@@ -534,6 +534,29 @@ bool func_download_attach(AttachMsg att, uint8_t *out, size_t *len)
     return true;
 }
 
+bool func_get_contact_info(string wxid, uint8_t *out, size_t *len)
+{
+    /*借用 Functions_FUNC_GET_CONTACTS */
+    Response rsp  = Response_init_default;
+    rsp.func      = Functions_FUNC_GET_CONTACT_INFO;
+    rsp.which_msg = Response_contacts_tag;
+
+    vector<RpcContact_t> contacts;
+    contacts.push_back(GetContactByWxid(wxid));
+
+    rsp.msg.contacts.contacts.funcs.encode = encode_contacts;
+    rsp.msg.contacts.contacts.arg          = &contacts;
+
+    pb_ostream_t stream = pb_ostream_from_buffer(out, *len);
+    if (!pb_encode(&stream, Response_fields, &rsp)) {
+        LOG_ERROR("Encoding failed: {}", PB_GET_ERROR(&stream));
+        return false;
+    }
+    *len = stream.bytes_written;
+
+    return true;
+}
+
 bool func_decrypt_image(char *src, char *dst, uint8_t *out, size_t *len)
 {
     Response rsp   = Response_init_default;
@@ -711,6 +734,11 @@ static bool dispatcher(uint8_t *in, size_t in_len, uint8_t *out, size_t *out_len
             ret = func_download_attach(req.msg.att, out, out_len);
             break;
         }
+        case Functions_FUNC_GET_CONTACT_INFO: {
+            LOG_DEBUG("[Functions_FUNC_GET_CONTACT_INFO]");
+            ret = func_get_contact_info(req.msg.str, out, out_len);
+            break;
+        }
         case Functions_FUNC_DECRYPT_IMAGE: {
             LOG_DEBUG("[FUNCTIONS_FUNC_DECRYPT_IMAGE]");
             ret = func_decrypt_image(req.msg.dec.src, req.msg.dec.dst, out, out_len);