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https://github.com/ttttupup/wxhelper.git
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新增下载消息附件内容
This commit is contained in:
hugy
parent
b8dc032525
commit
4eab2a2414
41
README.md
41
README.md
@ -138,6 +138,7 @@ vcpkg
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53.朋友圈首页
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54.朋友圈下一页
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55.获取联系人或者群名称
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56.获取消息附件(图片，视频，文件)
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### 接口文档：
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@ -1464,6 +1465,46 @@ vcpkg
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#### 56.获取消息附件**
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###### 接口功能
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> 根据消息id,下载消息附件（图片，视频，文件）
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###### 接口地址
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> [/api/?type=56](/api/?type=56)
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###### HTTP请求方式
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> POST JSON
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###### 请求参数
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|参数|必选|类型|说明|
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|---|---|---|---|
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|msgId |true |string| 消息id |
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###### 返回字段
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|返回字段|字段类型|说明 |
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|---|---|---|
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|code|int|返回状态,0成功, 非0失败|
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|result|string|成功提示|
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###### 接口示例
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入参：
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``` javascript
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{
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"msgId": 3224560917391784099
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}
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```
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响应：
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``` javascript
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{"code":0,"result":"OK"}
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```
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#### 感谢
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https://github.com/ljc545w/ComWeChatRobot
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@ -23,6 +23,7 @@
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#include "confirm_receipt.h"
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#include "sns.h"
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#include "search_contact.h"
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#include "download.h"
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#pragma comment(lib, "ws2_32.lib")
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using namespace std;
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@ -652,6 +653,13 @@ void api_handle(mg_http_message *hm, struct mg_connection *c, string &ret) {
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ret = ret_data.dump();
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break;
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}
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case WECHAT_ATTACH_DOWNLOAD:{
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ULONG64 msg_id = get_http_param_ulong64(hm, j_param, "msgId", is_post);
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int success = DoDownloadTask(msg_id);
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json ret_data = {{"code", success}, {"result", "OK"}};
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ret = ret_data.dump();
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break;
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}
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default:
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break;
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}
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@ -70,6 +70,7 @@ typedef enum WECHAT_HTTP_APISTag
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WECHAT_SNS_GET_FIRST_PAGE,
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WECHAT_SNS_GET_NEXT_PAGE,
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WECHAT_CONTACT_NAME,
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WECHAT_ATTACH_DOWNLOAD,
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} WECHAT_HTTP_APIS,
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*PWECHAT_HTTP_APIS;
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@ -126,7 +126,7 @@ string Wstring2String(wstring wstr) {
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BOOL FindOrCreateDirectoryW(const wchar_t *path) {
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WIN32_FIND_DATAW fd;
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HANDLE hFind = ::FindFirstFileW(path, &fd);
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if (hFind != INVALID_HANDLE_VALUE) {
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if (hFind != INVALID_HANDLE_VALUE && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
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FindClose(hFind);
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return true;
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}
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183
src/download.cc
Normal file
183
src/download.cc
Normal file
@ -0,0 +1,183 @@
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#include "pch.h"
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#include "download.h"
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#include "common.h"
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#include "get_db_handle.h"
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#include "wechat_data.h"
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#define WX_NEW_CHAT_MSG_OFFSET 0x70e2a0
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#define WX_GET_PRE_DOWNLOAD_MGR_OFFSET 0x7ae310
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#define WX_PUSH_ATTACH_TASK_OFFSET 0x7c94a0
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#define WX_FREE_CHAT_MSG_INSTANCE_COUNTER_OFFSET 0x6f5370
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#define WX_FREE_CHAT_MSG_OFFSET 0x6f4ea0
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#define WX_CHAT_MGR_OFFSET 0x732660
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#define WX_GET_MGR_BY_PREFIX_LOCAL_ID_OFFSET 0xb54950
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#define WX_GET_CURRENT_DATA_PATH_OFFSET 0xc11140
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#define WX_APP_MSG_INFO_OFFSET 0x7571d0
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#define WX_GET_APP_MSG_XML_OFFSET 0xddef80
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#define WX_FREE_APP_MSG_INFO_OFFSET 0x73d820
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#define WX_PUSH_THUMB_TASK_OFFSET 0x7c93a0
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#define WX_VIDEO_MGR_OFFSET 0x7c7300
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#define WX_DOWNLOAD_VIDEO_IMG_OFFSET 0xcc6d80
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using namespace std;
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int DoDownloadTask(ULONG64 msg_id) {
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int success = -1;
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int db_index = 0;
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int local_id = GetLocalIdByMsgId(msg_id, db_index);
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if (local_id < 1) {
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return -2;
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}
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char chat_msg[0x2C4] = {0};
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DWORD base = GetWeChatWinBase();
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DWORD new_chat_msg_addr = base + WX_NEW_CHAT_MSG_OFFSET;
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DWORD get_chat_mgr_addr = base + WX_CHAT_MGR_OFFSET;
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DWORD pre_download_mgr_addr = base + WX_GET_PRE_DOWNLOAD_MGR_OFFSET;
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DWORD push_attach_task_addr = base + WX_PUSH_ATTACH_TASK_OFFSET;
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DWORD free_addr = base + WX_FREE_CHAT_MSG_INSTANCE_COUNTER_OFFSET;
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DWORD get_by_local_Id_addr = base + WX_GET_MGR_BY_PREFIX_LOCAL_ID_OFFSET;
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DWORD get_current_data_path_addr = base + WX_GET_CURRENT_DATA_PATH_OFFSET;
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DWORD free_app_msg_info_addr = base + WX_FREE_APP_MSG_INFO_OFFSET;
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DWORD push_thumb_task_addr = base + WX_PUSH_THUMB_TASK_OFFSET;
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DWORD video_mgr_addr = base + WX_VIDEO_MGR_OFFSET;
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DWORD download_video_image_addr = base + WX_VIDEO_MGR_OFFSET;
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WeChatString current_data_path;
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__asm {
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PUSHAD
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PUSHFD
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LEA ECX,current_data_path
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CALL get_current_data_path_addr
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LEA ECX,chat_msg
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CALL new_chat_msg_addr
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CALL get_chat_mgr_addr
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PUSH dword ptr [db_index]
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LEA ECX,chat_msg
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PUSH dword ptr [local_id]
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CALL get_by_local_Id_addr
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ADD ESP,0x8
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POPFD
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POPAD
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}
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wstring save_path = L"";
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wstring thumb_path = L"";
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if (current_data_path.length > 0) {
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save_path += current_data_path.ptr;
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save_path += L"wxhelper";
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} else {
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return -1;
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}
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if (!FindOrCreateDirectoryW(save_path.c_str())) {
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return -3;
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}
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DWORD type = *(DWORD *)(chat_msg + 0x38);
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wchar_t *content = *(wchar_t **)(chat_msg + 0x70);
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switch (type) {
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case 0x3: {
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save_path += L"\\image";
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if (!FindOrCreateDirectoryW(save_path.c_str())) {
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return -3;
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}
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save_path = save_path +L"\\"+ to_wstring(msg_id) + L".png";
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break;
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}
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case 0x3E:
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case 0x2B: {
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save_path += L"\\video";
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if (!FindOrCreateDirectoryW(save_path.c_str())) {
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return -3;
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}
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thumb_path = save_path + L"\\"+ to_wstring(msg_id) + L".jpg";
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save_path = save_path + L"\\"+ to_wstring(msg_id) + L".mp4";
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break;
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}
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case 0x31: {
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save_path += L"\\file";
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wcout << save_path << endl;
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if (!FindOrCreateDirectoryW(save_path.c_str())) {
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return -3;
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}
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char xml_app_msg[0xC80] = {0};
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DWORD new_app_msg_addr = base + WX_APP_MSG_INFO_OFFSET;
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DWORD get_xml_addr = base + WX_GET_APP_MSG_XML_OFFSET;
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WeChatString w_content(content);
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__asm {
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PUSHAD
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PUSHFD
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LEA ECX,xml_app_msg
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CALL new_app_msg_addr
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PUSH 0x1
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LEA EAX,w_content
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PUSH EAX
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LEA ECX,xml_app_msg
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CALL get_xml_addr
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MOV success,EAX
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LEA ECX,xml_app_msg
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CALL free_app_msg_info_addr
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POPFD
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POPAD
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}
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if (success != 1) {
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return -4;
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}
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WeChatString *file_name = (WeChatString *)((DWORD)xml_app_msg + 0x44);
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save_path = save_path +L"\\" + to_wstring(msg_id) + L"_" +
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wstring(file_name->ptr, file_name->length);
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break;
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}
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default:
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break;
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}
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WeChatString w_save_path(save_path);
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WeChatString w_thumb_path(thumb_path);
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int temp =1;
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memcpy(&chat_msg[0x19C], &w_thumb_path, sizeof(w_thumb_path));
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memcpy(&chat_msg[0x1B0], &w_save_path, sizeof(w_save_path));
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memcpy(&chat_msg[0x290], &temp, sizeof(temp));
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// note： the image has been downloaded and will not be downloaded again
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// use low-level method
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// this function does not work, need to modify chatmsg.
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// if (type == 0x3E || type == 0x2B){
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// __asm{
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// PUSHAD
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// PUSHFD
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// CALL video_mgr_addr
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// LEA ECX,chat_msg
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// PUSH ECX
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// MOV ECX,EAX
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// CALL download_video_image_addr
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// POPFD
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// POPAD
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// }
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// }
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__asm {
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PUSHAD
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PUSHFD
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CALL pre_download_mgr_addr
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PUSH 0x1
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PUSH 0x0
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LEA ECX,chat_msg
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PUSH ECX
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MOV ECX,EAX
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CALL push_attach_task_addr
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MOV success,EAX
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LEA ECX,chat_msg
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PUSH 0x0
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CALL free_addr
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POPFD
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POPAD
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}
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return success;
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}
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5
src/download.h
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5
src/download.h
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@ -0,0 +1,5 @@
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#ifndef DOWNLOAD_H_
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#define DOWNLOAD_H_
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int DoDownloadTask(ULONG64 msg_id);
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#endif
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@ -186,4 +186,151 @@ struct AtInner{
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DWORD finsh;
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DWORD end;
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};
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struct ChatMsg {
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DWORD **field0_0x0;
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DWORD field1_0x4;
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ULONG64 sequence;
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DWORD field3_0x10;
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DWORD field4_0x14;
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ULONG64 msgSequence;
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DWORD localId;
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DWORD field7_0x24;
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DWORD field8_0x28;
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DWORD field9_0x2c;
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ULONG64 msgId;
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DWORD type;
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DWORD isSendMsg;
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DWORD msgStatus;
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DWORD timestamp;
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WeChatString talker;
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DWORD field16_0x5c;
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DWORD field17_0x60;
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DWORD field18_0x64;
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DWORD field19_0x68;
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DWORD field20_0x6c;
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WeChatString content;
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DWORD field22_0x84;
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DWORD field23_0x88;
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DWORD field24_0x8c;
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DWORD field25_0x90;
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DWORD field26_0x94;
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DWORD field27_0x98;
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DWORD field28_0x9c;
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DWORD field29_0xa0;
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DWORD field30_0xa4;
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DWORD field31_0xa8;
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DWORD field32_0xac;
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DWORD field33_0xb0;
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DWORD field34_0xb4;
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DWORD field35_0xb8;
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DWORD field36_0xbc;
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DWORD field37_0xc0;
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DWORD field38_0xc4;
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DWORD field39_0xc8;
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DWORD field40_0xcc;
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DWORD field41_0xd0;
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DWORD field42_0xd4;
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DWORD field43_0xd8;
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DWORD field44_0xdc;
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DWORD field45_0xe0;
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DWORD field46_0xe4;
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DWORD field47_0xe8;
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DWORD field48_0xec;
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DWORD field49_0xf0;
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DWORD field50_0xf4;
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DWORD field51_0xf8;
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DWORD field52_0xfc;
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DWORD field53_0x100;
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DWORD field54_0x104;
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DWORD field55_0x108;
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DWORD field56_0x10c;
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DWORD field57_0x110;
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DWORD field58_0x114;
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DWORD field59_0x118;
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DWORD field60_0x11c;
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DWORD field61_0x120;
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DWORD field62_0x124;
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DWORD field63_0x128;
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DWORD field64_0x12c;
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DWORD field65_0x130;
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DWORD field66_0x134;
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DWORD field67_0x138;
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DWORD field68_0x13c;
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DWORD field69_0x140;
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DWORD field70_0x144;
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DWORD field71_0x148;
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DWORD field72_0x14c;
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DWORD field73_0x150;
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DWORD field74_0x154;
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DWORD field75_0x158;
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DWORD field76_0x15c;
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DWORD field77_0x160;
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DWORD field78_0x164;
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DWORD field79_0x168;
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DWORD field80_0x16c;
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DWORD field81_0x170;
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WeChatString fromGroup;
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WeChatString sign;
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WeChatString thumbPath;
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WeChatString path;
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DWORD field86_0x1c4;
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DWORD field87_0x1c8;
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DWORD field88_0x1cc;
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DWORD field89_0x1d0;
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DWORD field90_0x1d4;
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DWORD field91_0x1d8;
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DWORD field92_0x1dc;
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DWORD field93_0x1e0;
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DWORD field94_0x1e4;
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DWORD field95_0x1e8;
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DWORD field96_0x1ec;
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WeChatString signature;
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DWORD field98_0x204;
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DWORD field99_0x208;
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DWORD field100_0x20c;
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DWORD field101_0x210;
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DWORD field102_0x214;
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DWORD field103_0x218;
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DWORD field104_0x21c;
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DWORD field105_0x220;
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DWORD field106_0x224;
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DWORD field107_0x228;
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DWORD field108_0x22c;
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DWORD field109_0x230;
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DWORD field110_0x234;
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DWORD field111_0x238;
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DWORD field112_0x23c;
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DWORD field113_0x240;
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DWORD field114_0x244;
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DWORD field115_0x248;
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DWORD field116_0x24c;
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DWORD field117_0x250;
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DWORD field118_0x254;
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DWORD field119_0x258;
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DWORD field120_0x25c;
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DWORD field121_0x260;
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DWORD field122_0x264;
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DWORD field123_0x268;
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DWORD field124_0x26c;
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DWORD field125_0x270;
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DWORD field126_0x274;
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DWORD field127_0x278;
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DWORD field128_0x27c;
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DWORD field129_0x280;
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DWORD field130_0x284;
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DWORD field131_0x288;
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DWORD field132_0x28c;
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DWORD field133_0x290;
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DWORD field134_0x294;
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DWORD field135_0x298;
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DWORD field136_0x29c;
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DWORD field137_0x2a0;
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DWORD field138_0x2a4;
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DWORD field139_0x2a8;
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DWORD field140_0x2ac;
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DWORD field141_0x2b0;
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int field142_0x2b4;
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};
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#endif
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