matrix_thing/include/matrix.hpp

317 lines
13 KiB
C++

/**
This file is a part of rexy's matrix bot
Copyright (C) 2019 rexy712
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MATRIX_HPP
#define MATRIX_HPP
#include "raii/curler.hpp"
#include "raii/string.hpp"
#include "raii/rjp_string.hpp"
#include "raii/filerd.hpp"
#include "raii/rjp_ptr.hpp"
#include <vector>
#include <functional>
#define HAS_FREEIMAGE
#define HAS_FFMPEG
namespace matrix{
struct auth_data{
raii::rjp_string name;
raii::rjp_string pass;
raii::rjp_string homeserver;
raii::rjp_string access_token;
operator bool(void)const{
return (name && pass && homeserver);
}
};
//upload info structs
struct file_info{
raii::rjp_string fileurl;
raii::string filename;
raii::string mimetype;
size_t filesize;
};
struct image_info : file_info{
size_t width;
size_t height;
raii::rjp_string thumburl;
size_t thumb_width;
size_t thumb_height;
size_t thumbsize;
};
struct video_info : public image_info{};
struct audio_info : public file_info{};
//message handling structs
//enumerate message type but also give a string representation
class msgtype{
private:
const char* m_str;
const int m_num;
public:
constexpr msgtype(const char* s, int n):
m_str(s), m_num(n){}
constexpr msgtype(const msgtype&) = default;
~msgtype(void) = default;
constexpr msgtype& operator=(const msgtype&) = default;
constexpr bool operator==(const msgtype& m){
return m_num == m.m_num;
}
constexpr bool operator!=(const msgtype& m){
return m_num != m.m_num;
}
constexpr const char* str(void)const{
return m_str;
}
constexpr operator int(void)const{
return m_num;
}
};
//class enumeration
struct msg{
private:
enum _types{
_text, _audio, _video, _file, _image, _other
};
public:
constexpr static msgtype text = msgtype("text", _text);
constexpr static msgtype audio = msgtype("audio", _audio);
constexpr static msgtype video = msgtype("video", _video);
constexpr static msgtype file = msgtype("file", _file);
constexpr static msgtype image = msgtype("image", _image);
constexpr static msgtype other = msgtype("other", _other);
constexpr static const msgtype& from_str(const char* str){
if(!strcmp(str, "m.text")){
return text;
}else if(!strcmp(str, "m.audio")){
return audio;
}else if(!strcmp(str, "m.video")){
return video;
}else if(!strcmp(str, "m.file")){
return file;
}else if(!strcmp(str, "m.image")){
return image;
}else{
return other;
}
}
};
struct event_info
{
const raii::rjp_string roomid;
const raii::rjp_string sender;
const raii::rjp_string eventid;
const raii::rjp_string eventtype;
const int serverts;
const int age;
};
struct msg_info : public event_info
{
const msgtype type = msg::other;
const raii::rjp_string body;
};
struct membership_info : public event_info
{
const raii::rjp_string recipient;
};
//main class
class client
{
private:
class mat_url_list
{
private:
raii::string m_create_room;
raii::string m_file_upload;
raii::string m_room_list;
raii::string m_login;
raii::string m_alias_lookup;
raii::string m_whoami;
raii::string m_displayname;
raii::string m_profile_picture;
public:
mat_url_list(void) = default;
mat_url_list(const raii::string_base& homeserver);
mat_url_list(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& userid);
mat_url_list(const mat_url_list&) = default;
mat_url_list(mat_url_list&&) = default;
mat_url_list& operator=(const mat_url_list&) = default;
mat_url_list& operator=(mat_url_list&&) = default;
const raii::string& create_room(void)const;
const raii::string& file_upload(void)const;
const raii::string& room_list(void)const;
const raii::string& login(void)const;
const raii::string& alias_lookup(void)const;
const raii::string& whoami(void)const;
const raii::string& displayname(void)const;
const raii::string& profile_picture(void)const;
raii::string logout(const raii::string_base& homeserver, const raii::string_base& access_token)const;
raii::string join_room(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string leave_room(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string sync(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& next_batch, const raii::string_base& timeout)const;
raii::string read_receipt(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid, const raii::string_base& eventid)const;
raii::string send(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string redact(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid, const raii::string_base& eventid)const;
raii::string power_level(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string presence(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& userid)const;
raii::string typing(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid, const raii::string_base& userid)const;
raii::string kick(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string ban(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string unban(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string invite(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string room_members(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& roomid)const;
raii::string password(const raii::string_base& homeserver, const raii::string_base& access_token)const;
void repopulate_accesstoken(const raii::string_base& homeserver, const raii::string_base& access_token);
void repopulate_userid(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& userid);
void repopulate(const raii::string_base& homeserver, const raii::string_base& access_token, const raii::string_base& userid);
void invalidate_accesstoken(void);
private:
void _initial_populate(const raii::string_base& homeserver);
static constexpr const char* s_proto = "https://";
static constexpr const char* s_revision = "r0";
};
private:
mutable raii::curler m_curl; //https access
raii::string m_useragent; //useragent to identify our application
raii::string m_homeserver; //name of our homeserver
raii::rjp_string m_access_token; //authentication
raii::rjp_string m_userid; //userid including homeserver
mat_url_list m_urls;
raii::rjp_string m_next_batch; //string which tracks where we are in the server history
std::function<void(const client&,const msg_info&)> m_message_callback;
std::function<void(const client&, const membership_info&)> m_membership_callback;
std::function<void(const client&, const raii::rjp_ptr&)> m_raw_callback;
public:
client(const auth_data& a, const raii::string_base& useragent);
client(const auth_data& a, raii::string&& useragent);
client(const client& b) = default;
client(client&& b) = default;
~client(void) = default;
client& operator=(const client&) = default;
client& operator=(client&&) = default;
//local getter
const raii::rjp_string& access_token(void)const;
const raii::rjp_string& userid(void)const;
const raii::string& useragent(void)const;
//local setter
void set_useragent(const raii::string_base&);
void set_useragent(raii::string&&);
//networked setter
void set_display_name(const raii::string_base&);
void set_profile_picture(const raii::string_base&);
//networked getter
raii::rjp_string get_display_name(void)const;
raii::rjp_string get_profile_picture(void)const;
raii::rjp_string room_alias_to_id(const raii::string_base& alias)const;
std::vector<raii::rjp_string> list_rooms(void)const;
//other networked operations
raii::string create_room(const raii::string_base& name, const raii::string_base& alias)const;
bool join_room(const raii::string_base& roomid)const;
bool leave_room(const raii::string_base& roomid)const;
bool accept_invite(const membership_info& invite)const;
bool reject_invite(const membership_info& invite)const;
//upload media
file_info upload_file(const raii::string_base& filename)const;
file_info upload_file(const raii::string_base& filename, const raii::string_base& alias)const;
image_info upload_image(const raii::string_base& filename)const;
image_info upload_image(const raii::string_base& filename, const raii::string_base& alias)const;
video_info upload_video(const raii::string_base& filename)const;
video_info upload_video(const raii::string_base& filename, const raii::string_base& alias)const;
audio_info upload_audio(const raii::string_base& filename)const;
audio_info upload_audio(const raii::string_base& filename, const raii::string_base& alias)const;
//send messages
raii::rjp_string send_image(const raii::string_base& room, const image_info& image)const;
raii::rjp_string send_video(const raii::string_base& room, const video_info& video)const;
raii::rjp_string send_message(const raii::string_base& room, const raii::string_base& text)const;
raii::rjp_string send_audio(const raii::string_base& room, const audio_info& audio)const;
raii::rjp_string send_file(const raii::string_base& room, const file_info& file)const;
void send_typing(const raii::string_base& room, bool active, int timeout = 5000)const;
raii::rjp_string redact_event(const raii::string_base& roomid, const raii::string_base& eventid, const raii::string_base& reason)const;
raii::rjp_string redact_event(const raii::string_base& roomid, const raii::string_base& eventid)const;
template<class Func>
void set_message_callback(Func&& f){
m_message_callback = std::forward<Func>(f);
}
template<class Func>
void set_membership_callback(Func&& f){
m_membership_callback = std::forward<Func>(f);
}
template<class Func>
void set_raw_callback(Func&& f){
m_raw_callback = std::forward<Func>(f);
}
raii::string sync(size_t timeout);
void logout(void);
protected:
void _handle_membership_events(RJP_value* rooms);
void _handle_other_membership(RJP_value* join);
void _handle_invites(RJP_value* invites);
void _handle_messages(RJP_value* messages);
void _send_read_receipt(const raii::string_base& roomid, const raii::string_base& eventid)const;
raii::rjp_string _upload_file(raii::filerd& fp, const raii::curl_llist& header)const;
raii::rjp_string _send_message(const raii::string_base& room, const raii::string_base& msg)const;
static size_t _post_reply_curl_callback(char* ptr, size_t size, size_t nmemb, void* userdata);
raii::string _get_curl(const raii::string_base& url)const;
raii::string _post_curl(const raii::string_base& postdata, const raii::string_base& url, const raii::curl_llist& header)const;
raii::string _put_curl(const raii::string_base& postdata, const raii::string_base& url, const raii::curl_llist& header)const;
raii::rjp_string _post_and_find(const raii::string_base& data, const raii::string_base& url, const raii::curl_llist& header, const raii::string_base& target)const;
raii::rjp_string _get_and_find(const raii::string_base& url, const raii::string_base& search)const;
raii::rjp_string _curl_reply_search(const raii::string_base& reply, const raii::string_base& search)const;
void _set_curl_defaults(void)const;
raii::string _request_access_token(const auth_data& a)const;
void _get_new_access_token(const auth_data& a);
void _acquire_access_token(const auth_data& a);
};
auth_data parse_auth_data(RJP_value* root);
}
#endif