WeChatFerry/WeChatFerry/spy/message_sender.cpp
2025-02-27 01:12:32 +08:00

416 lines
14 KiB
C++

#include "message_sender.h"
#include <sstream>
#include <vector>
#include "account_manager.h"
#include "database_executor.h"
#include "log.hpp"
#include "offsets.h"
#include "rpc_helper.h"
#include "spy_types.h"
#include "util.h"
extern QWORD g_WeChatWinDllAddr;
#define OS_NEW 0x1B5E140
#define OS_SEND_IMAGE 0x22BC2F0
#define OS_GET_APP_MSG_MGR 0x1B58F70
#define OS_SEND_FILE 0x20D0230
#define OS_RTM_NEW 0x1B5D690
#define OS_RTM_FREE 0x1B5CA60
#define OS_SEND_RICH_TEXT 0x20DA210
#define OS_SEND_PAT_MSG 0x2CAEC00
#define OS_FORWARD_MSG 0x22C60E0
#define OS_GET_EMOTION_MGR 0x1BCEF10
#define OS_SEND_EMOTION 0x21B52D5
#define OS_XML_BUFSIGN 0x24F0D70
#define OS_SEND_XML 0x20CF360
namespace message
{
namespace OsSend = Offsets::Message::Send;
Sender &Sender::get_instance()
{
static Sender instance;
return instance;
}
Sender::Sender()
{
func_get_instance = reinterpret_cast<New_t>(g_WeChatWinDllAddr + OsSend::INSTANCE);
func_free_chat_msg = reinterpret_cast<Free_t>(g_WeChatWinDllAddr + OsSend::FREE);
func_send_msg_mgr = reinterpret_cast<SendMsgMgr_t>(g_WeChatWinDllAddr + OsSend::MGR);
func_send_text = reinterpret_cast<SendText_t>(g_WeChatWinDllAddr + OsSend::TEXT);
func_send_image = reinterpret_cast<SendImage_t>(g_WeChatWinDllAddr + OsSend::IMAGE);
func_get_app_mgr = reinterpret_cast<GetAppMgr_t>(g_WeChatWinDllAddr + OsSend::APP_MGR);
func_send_file = reinterpret_cast<SendFile_t>(g_WeChatWinDllAddr + OsSend::FILE);
func_new_mmreader = reinterpret_cast<New_t>(g_WeChatWinDllAddr + OsSend::NEW_MM_READER);
func_free_mmreader = reinterpret_cast<Free_t>(g_WeChatWinDllAddr + OsSend::FREE_MM_READER);
func_send_rich_text = reinterpret_cast<SendRichText_t>(g_WeChatWinDllAddr + OsSend::RICH_TEXT);
func_send_pat = reinterpret_cast<SendPat_t>(g_WeChatWinDllAddr + OsSend::PAT);
func_forward = reinterpret_cast<Forward_t>(g_WeChatWinDllAddr + OS_FORWARD_MSG);
func_get_emotion_mgr = reinterpret_cast<GetEmotionMgr_t>(g_WeChatWinDllAddr + OsSend::EMOTION_MGR);
func_send_emotion = reinterpret_cast<SendEmotion_t>(g_WeChatWinDllAddr + OsSend::EMOTION);
func_send_xml = reinterpret_cast<SendXml_t>(g_WeChatWinDllAddr + OsSend::XML);
func_xml_buf_sign = reinterpret_cast<XmlBufSign_t>(g_WeChatWinDllAddr + OsSend::XML_BUF_SIGN);
}
std::unique_ptr<WxString> Sender::new_wx_string(const char *str)
{
return new_wx_string(str ? std::string(str) : std::string());
}
std::unique_ptr<WxString> Sender::new_wx_string(const std::string &str)
{
return std::make_unique<WxString>(util::s2w(str));
}
template <typename T> struct WxStringHolder {
std::wstring ws;
WxString wx;
explicit WxStringHolder(const T &str) : ws(util::s2w(str)), wx(ws) { }
};
template <typename StringT = std::wstring> struct AtWxidSplitResult {
std::vector<StringT> wxids;
std::vector<WxString> wxWxids;
};
AtWxidSplitResult<> parse_wxids(const std::string &atWxids)
{
AtWxidSplitResult<> result;
if (!atWxids.empty()) {
std::wstringstream wss(util::s2w(atWxids));
for (std::wstring wxid; std::getline(wss, wxid, L',');) {
result.wxids.push_back(wxid);
result.wxWxids.emplace_back(result.wxids.back());
}
}
return result;
}
void Sender::send_text(const std::string &wxid, const std::string &msg, const std::string &at_wxids)
{
WxStringHolder<std::string> holderMsg(msg);
WxStringHolder<std::string> holderWxid(wxid);
auto wxAtWxids = parse_wxids(at_wxids).wxWxids;
QWORD pWxAtWxids = wxAtWxids.empty() ? 0 : reinterpret_cast<QWORD>(&wxAtWxids);
char buffer[1104] = { 0 };
func_send_msg_mgr();
func_send_text(reinterpret_cast<QWORD>(&buffer), reinterpret_cast<QWORD>(&holderWxid.wx),
reinterpret_cast<QWORD>(&holderMsg.wx), pWxAtWxids, 1, 1, 0, 0);
func_free_chat_msg(reinterpret_cast<QWORD>(&buffer));
}
void Sender::send_image(const std::string &wxid, const std::string &path)
{
WxStringHolder<std::string> holderWxid(wxid);
WxStringHolder<std::string> holderPath(path);
char msg[1192] = { 0 };
char msgTmp[1192] = { 0 };
QWORD *flag[10] = { 0 };
QWORD tmp1 = 1, tmp2 = 0, tmp3 = 0;
QWORD pMsgTmp = func_get_instance((QWORD)(&msgTmp));
flag[0] = reinterpret_cast<QWORD *>(tmp1);
flag[1] = reinterpret_cast<QWORD *>(pMsgTmp);
flag[8] = &tmp2;
flag[9] = &tmp3;
QWORD pMsg = func_get_instance((QWORD)(&msg));
QWORD sendMgr = func_send_msg_mgr();
func_send_image(sendMgr, pMsg, reinterpret_cast<QWORD>(&holderWxid.wx), reinterpret_cast<QWORD>(&holderPath.wx),
reinterpret_cast<QWORD>(&flag));
func_free_chat_msg(pMsg);
func_free_chat_msg(pMsgTmp);
}
void Sender::send_file(const std::string &wxid, const std::string &path)
{
WxString *wxWxid = util::CreateWxString(wxid);
WxString *wxPath = util::CreateWxString(path);
if (!wxWxid || !wxPath) {
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
return;
}
char *chat_msg = reinterpret_cast<char *>(util::AllocFromHeap(0x460));
if (!chat_msg) {
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
return;
}
QWORD *tmp1 = util::AllocBuffer<QWORD>(4);
QWORD *tmp2 = util::AllocBuffer<QWORD>(4);
QWORD *tmp3 = util::AllocBuffer<QWORD>(4);
if (!tmp1 || !tmp2 || !tmp3) {
func_free_chat_msg(reinterpret_cast<QWORD>(chat_msg));
util::FreeBuffer(chat_msg);
util::FreeBuffer(tmp1);
util::FreeBuffer(tmp2);
util::FreeBuffer(tmp3);
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
return;
}
QWORD app_mgr = func_get_app_mgr();
func_send_file(app_mgr, chat_msg, wxWxid, wxPath, 1, tmp1, 0, tmp2, 0, tmp3, 0, 0xC);
func_free_chat_msg(reinterpret_cast<QWORD>(chat_msg));
util::FreeBuffer(chat_msg);
util::FreeBuffer(tmp1);
util::FreeBuffer(tmp2);
util::FreeBuffer(tmp3);
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
}
void Sender::send_xml(const std::string &receiver, const std::string &xml, const std::string &path, uint64_t type)
{
#if 0
std::unique_ptr<char[]> buff(new char[0x500]());
std::unique_ptr<char[]> buff2(new char[0x500]());
char nullBuf[0x1C] = { 0 };
func_get_instance(reinterpret_cast<QWORD>(buff.get()));
func_get_instance(reinterpret_cast<QWORD>(buff2.get()));
QWORD sbuf[4] = { 0, 0, 0, 0 };
QWORD sign = func_xml_buf_sign(reinterpret_cast<QWORD>(buff2.get()), reinterpret_cast<QWORD>(sbuf), 0x1);
auto wxReceiver = new_wx_string(receiver);
auto wxXml = new_wx_string(xml);
auto wxPath = new_wx_string(path);
auto wxSender = new_wx_string(account::get_self_wxid());
func_send_xml(reinterpret_cast<QWORD>(buff.get()), reinterpret_cast<QWORD>(wxSender.get()),
reinterpret_cast<QWORD>(wxReceiver.get()), reinterpret_cast<QWORD>(wxXml.get()),
reinterpret_cast<QWORD>(wxPath.get()), reinterpret_cast<QWORD>(nullBuf), type, 0x4, sign,
reinterpret_cast<QWORD>(buff2.get()));
func_free_chat_msg(reinterpret_cast<QWORD>(buff.get()));
func_free_chat_msg(reinterpret_cast<QWORD>(buff2.get()));
#endif
}
void Sender::send_emotion(const std::string &wxid, const std::string &path)
{
WxString *wxWxid = util::CreateWxString(wxid);
WxString *wxPath = util::CreateWxString(path);
QWORD *buff = util::AllocBuffer<QWORD>(8);
if (!wxWxid || !wxPath || !buff) {
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
util::FreeBuffer(buff);
return;
}
QWORD mgr = func_get_emotion_mgr();
func_send_emotion(mgr, wxPath, buff, wxWxid, 2, buff, 0, buff);
util::FreeBuffer(buff);
util::FreeWxString(wxWxid);
util::FreeWxString(wxPath);
}
int Sender::send_rich_text(const RichText &rt)
{
QWORD status = -1;
char *buff = util::AllocBuffer<char>(0x3F0);
WxString *pReceiver = util::CreateWxString(rt.receiver);
WxString *pTitle = util::CreateWxString(rt.title);
WxString *pUrl = util::CreateWxString(rt.url);
WxString *pThumburl = util::CreateWxString(rt.thumburl);
WxString *pDigest = util::CreateWxString(rt.digest);
WxString *pAccount = util::CreateWxString(rt.account);
WxString *pName = util::CreateWxString(rt.name);
if (!buff || !pReceiver || !pTitle || !pUrl || !pThumburl || !pDigest || !pAccount || !pName) {
util::FreeWxString(pReceiver);
util::FreeWxString(pTitle);
util::FreeWxString(pUrl);
util::FreeWxString(pThumburl);
util::FreeWxString(pDigest);
util::FreeWxString(pAccount);
util::FreeWxString(pName);
util::FreeBuffer(buff);
LOG_ERROR("Out of Memory...");
return static_cast<int>(status);
}
func_new_mmreader(reinterpret_cast<QWORD>(buff));
memcpy(buff + 0x8, pTitle, sizeof(WxString));
memcpy(buff + 0x48, pUrl, sizeof(WxString));
memcpy(buff + 0xB0, pThumburl, sizeof(WxString));
memcpy(buff + 0xF0, pDigest, sizeof(WxString));
memcpy(buff + 0x2C0, pAccount, sizeof(WxString));
memcpy(buff + 0x2E0, pName, sizeof(WxString));
status = func_send_rich_text(func_get_app_mgr(), pReceiver, buff);
func_free_mmreader(reinterpret_cast<QWORD>(buff));
// TODO: 验证是否有内存泄露
// util::FreeWxString(pReceiver);
// util::FreeWxString(pTitle);
// util::FreeWxString(pUrl);
// util::FreeWxString(pThumburl);
// util::FreeWxString(pDigest);
// util::FreeWxString(pAccount);
// util::FreeWxString(pName);
util::FreeBuffer(buff);
return static_cast<int>(status);
}
int Sender::send_pat(const std::string &roomid, const std::string &wxid)
{
QWORD status = -1;
WxStringHolder<std::string> holderRoom(roomid);
WxStringHolder<std::string> holderWxid(wxid);
status = func_send_pat(&holderRoom.wx, &holderWxid.wx);
return static_cast<int>(status);
}
int Sender::forward(QWORD msgid, const std::string &receiver)
{
uint32_t dbIdx = 0;
QWORD localId = 0;
if (db::get_local_id_and_dbidx(msgid, &localId, &dbIdx) != 0) {
LOG_ERROR("Failed to get localId, Please check id: {}", msgid);
return -1;
}
LARGE_INTEGER l;
l.HighPart = dbIdx;
l.LowPart = static_cast<DWORD>(localId);
auto wxReceiver = new_wx_string(receiver);
return static_cast<int>(func_forward(reinterpret_cast<QWORD>(wxReceiver.get()), l.QuadPart, 0x4, 0x0));
}
// RPC 方法
bool Sender::rpc_send_text(const TextMsg &text, uint8_t *out, size_t *len)
{
return fill_response<Functions_FUNC_SEND_TXT>(out, len, [&](Response &rsp) {
if (text.msg == nullptr || text.receiver == nullptr || strlen(text.msg) == 0 || strlen(text.receiver) == 0) {
LOG_ERROR("Empty message or receiver.");
rsp.msg.status = -1;
} else {
send_text(text.receiver, text.msg, text.aters ? text.aters : "");
rsp.msg.status = 0;
}
});
}
bool Sender::rpc_send_image(const PathMsg &file, uint8_t *out, size_t *len)
{
std::string path(file.path);
std::string receiver(file.receiver);
return fill_response<Functions_FUNC_SEND_IMG>(out, len, [&](Response &rsp) {
if (path.empty() || receiver.empty()) {
LOG_ERROR("Empty path or receiver.");
rsp.msg.status = -1;
} else {
send_image(receiver, path);
rsp.msg.status = 0;
}
});
}
bool Sender::rpc_send_file(const PathMsg &file, uint8_t *out, size_t *len)
{
std::string path(file.path);
std::string receiver(file.receiver);
return fill_response<Functions_FUNC_SEND_FILE>(out, len, [&](Response &rsp) {
if (path.empty() || receiver.empty()) {
LOG_ERROR("Empty path or receiver.");
rsp.msg.status = -1;
} else {
send_file(receiver, path);
rsp.msg.status = 0;
}
});
}
bool Sender::rpc_send_emotion(const PathMsg &file, uint8_t *out, size_t *len)
{
std::string path(file.path);
std::string receiver(file.receiver);
return fill_response<Functions_FUNC_SEND_EMOTION>(out, len, [&](Response &rsp) {
if (path.empty() || receiver.empty()) {
LOG_ERROR("Empty path or receiver.");
rsp.msg.status = -1;
} else {
send_emotion(receiver, path);
rsp.msg.status = 0;
}
});
}
bool Sender::rpc_send_xml(const XmlMsg &xml, uint8_t *out, size_t *len)
{
return fill_response<Functions_FUNC_SEND_XML>(out, len, [&](Response &rsp) {
if (xml.content == nullptr || xml.receiver == nullptr) {
LOG_ERROR("Empty content or receiver.");
rsp.msg.status = -1;
} else {
// send_xml(xml.receiver, xml.content, xml.path, xml.type);
rsp.msg.status = -1;
}
});
}
bool Sender::rpc_send_rich_text(const RichText &rt, uint8_t *out, size_t *len)
{
return fill_response<Functions_FUNC_SEND_RICH_TXT>(out, len, [&](Response &rsp) {
if (rt.receiver == nullptr) {
LOG_ERROR("Empty receiver.");
rsp.msg.status = -1;
} else {
rsp.msg.status = send_rich_text(rt);
}
});
}
bool Sender::rpc_send_pat(const PatMsg &pat, uint8_t *out, size_t *len)
{
std::string wxid(pat.wxid);
std::string roomid(pat.roomid);
return fill_response<Functions_FUNC_SEND_PAT_MSG>(out, len, [&](Response &rsp) {
if (roomid.empty() || wxid.empty()) {
LOG_ERROR("Empty roomid or wxid.");
rsp.msg.status = -1;
} else {
rsp.msg.status = send_pat(roomid, wxid);
}
});
}
bool Sender::rpc_forward(const ForwardMsg &fm, uint8_t *out, size_t *len)
{
uint64_t msgid = fm.id;
std::string receiver(fm.receiver);
return fill_response<Functions_FUNC_FORWARD_MSG>(out, len, [&](Response &rsp) {
if (receiver.empty()) {
LOG_ERROR("Empty receiver.");
rsp.msg.status = -1;
} else {
rsp.msg.status = forward(msgid, receiver);
}
});
}
}