tdlight/td/telegram/DialogParticipant.h

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/DialogId.h"
#include "td/telegram/MessageId.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"
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#include "td/telegram/Version.h"
#include "td/utils/common.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
namespace td {
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class Td;
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class AdministratorRights {
static constexpr uint32 CAN_CHANGE_INFO_AND_SETTINGS = 1 << 0;
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static constexpr uint32 CAN_POST_MESSAGES = 1 << 1;
static constexpr uint32 CAN_EDIT_MESSAGES = 1 << 2;
static constexpr uint32 CAN_DELETE_MESSAGES = 1 << 3;
static constexpr uint32 CAN_INVITE_USERS = 1 << 4;
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// static constexpr uint32 CAN_EXPORT_DIALOG_INVITE_LINK = 1 << 5;
static constexpr uint32 CAN_RESTRICT_MEMBERS = 1 << 6;
static constexpr uint32 CAN_PIN_MESSAGES = 1 << 7;
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static constexpr uint32 CAN_PROMOTE_MEMBERS = 1 << 8;
static constexpr uint32 CAN_MANAGE_CALLS = 1 << 9;
static constexpr uint32 CAN_MANAGE_DIALOG = 1 << 10;
static constexpr uint32 IS_ANONYMOUS = 1 << 13;
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static constexpr uint32 ALL_ADMINISTRATOR_RIGHTS =
CAN_CHANGE_INFO_AND_SETTINGS | CAN_POST_MESSAGES | CAN_EDIT_MESSAGES | CAN_DELETE_MESSAGES | CAN_INVITE_USERS |
CAN_RESTRICT_MEMBERS | CAN_PIN_MESSAGES | CAN_PROMOTE_MEMBERS | CAN_MANAGE_CALLS | CAN_MANAGE_DIALOG;
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uint32 flags_;
friend class DialogParticipantStatus;
explicit AdministratorRights(int32 flags) : flags_(flags & ALL_ADMINISTRATOR_RIGHTS) {
}
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public:
AdministratorRights(bool is_anonymous, bool can_manage_dialog, bool can_change_info, bool can_post_messages,
bool can_edit_messages, bool can_delete_messages, bool can_invite_users,
bool can_restrict_members, bool can_pin_messages, bool can_promote_members,
bool can_manage_calls);
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telegram_api::object_ptr<telegram_api::chatAdminRights> get_chat_admin_rights() const;
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bool can_manage_dialog() const {
return (flags_ & CAN_MANAGE_DIALOG) != 0;
}
bool can_change_info_and_settings() const {
return (flags_ & CAN_CHANGE_INFO_AND_SETTINGS) != 0;
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}
bool can_post_messages() const {
return (flags_ & CAN_POST_MESSAGES) != 0;
}
bool can_edit_messages() const {
return (flags_ & CAN_EDIT_MESSAGES) != 0;
}
bool can_delete_messages() const {
return (flags_ & CAN_DELETE_MESSAGES) != 0;
}
bool can_invite_users() const {
return (flags_ & CAN_INVITE_USERS) != 0;
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}
bool can_manage_invite_links() const {
// invite links can be managed, only if administrator was explicitly granted the right
return (flags_ & CAN_INVITE_USERS) != 0;
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}
bool can_restrict_members() const {
return (flags_ & CAN_RESTRICT_MEMBERS) != 0;
}
bool can_pin_messages() const {
return (flags_ & CAN_PIN_MESSAGES) != 0;
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}
bool can_promote_members() const {
return (flags_ & CAN_PROMOTE_MEMBERS) != 0;
}
bool can_manage_calls() const {
return (flags_ & CAN_MANAGE_CALLS) != 0;
}
bool is_anonymous() const {
return (flags_ & IS_ANONYMOUS) != 0;
}
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template <class StorerT>
void store(StorerT &storer) const {
td::store(flags_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(flags_, parser);
}
friend bool operator==(const AdministratorRights &lhs, const AdministratorRights &rhs);
friend StringBuilder &operator<<(StringBuilder &string_builder, const AdministratorRights &status);
};
bool operator==(const AdministratorRights &lhs, const AdministratorRights &rhs);
bool operator!=(const AdministratorRights &lhs, const AdministratorRights &rhs);
StringBuilder &operator<<(StringBuilder &string_builder, const AdministratorRights &status);
class RestrictedRights {
static constexpr uint32 CAN_SEND_MESSAGES = 1 << 16;
static constexpr uint32 CAN_SEND_MEDIA = 1 << 17;
static constexpr uint32 CAN_SEND_STICKERS = 1 << 18;
static constexpr uint32 CAN_SEND_ANIMATIONS = 1 << 19;
static constexpr uint32 CAN_SEND_GAMES = 1 << 20;
static constexpr uint32 CAN_USE_INLINE_BOTS = 1 << 21;
static constexpr uint32 CAN_ADD_WEB_PAGE_PREVIEWS = 1 << 22;
static constexpr uint32 CAN_SEND_POLLS = 1 << 23;
static constexpr uint32 CAN_CHANGE_INFO_AND_SETTINGS = 1 << 24;
static constexpr uint32 CAN_INVITE_USERS = 1 << 25;
static constexpr uint32 CAN_PIN_MESSAGES = 1 << 26;
static constexpr uint32 ALL_ADMIN_PERMISSION_RIGHTS =
CAN_CHANGE_INFO_AND_SETTINGS | CAN_INVITE_USERS | CAN_PIN_MESSAGES;
static constexpr uint32 ALL_RESTRICTED_RIGHTS =
CAN_SEND_MESSAGES | CAN_SEND_MEDIA | CAN_SEND_STICKERS | CAN_SEND_ANIMATIONS | CAN_SEND_GAMES |
CAN_USE_INLINE_BOTS | CAN_ADD_WEB_PAGE_PREVIEWS | CAN_SEND_POLLS | ALL_ADMIN_PERMISSION_RIGHTS;
uint32 flags_;
friend class DialogParticipantStatus;
explicit RestrictedRights(int32 flags) : flags_(flags & ALL_RESTRICTED_RIGHTS) {
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}
public:
RestrictedRights(bool can_send_messages, bool can_send_media, bool can_send_stickers, bool can_send_animations,
bool can_send_games, bool can_use_inline_bots, bool can_add_web_page_previews, bool can_send_polls,
bool can_change_info_and_settings, bool can_invite_users, bool can_pin_messages);
td_api::object_ptr<td_api::chatPermissions> get_chat_permissions_object() const;
tl_object_ptr<telegram_api::chatBannedRights> get_chat_banned_rights() const;
bool can_change_info_and_settings() const {
return (flags_ & CAN_CHANGE_INFO_AND_SETTINGS) != 0;
}
bool can_invite_users() const {
return (flags_ & CAN_INVITE_USERS) != 0;
}
bool can_pin_messages() const {
return (flags_ & CAN_PIN_MESSAGES) != 0;
}
bool can_send_messages() const {
return (flags_ & CAN_SEND_MESSAGES) != 0;
}
bool can_send_media() const {
return (flags_ & CAN_SEND_MEDIA) != 0;
}
bool can_send_stickers() const {
return (flags_ & CAN_SEND_STICKERS) != 0;
}
bool can_send_animations() const {
return (flags_ & CAN_SEND_ANIMATIONS) != 0;
}
bool can_send_games() const {
return (flags_ & CAN_SEND_GAMES) != 0;
}
bool can_use_inline_bots() const {
return (flags_ & CAN_USE_INLINE_BOTS) != 0;
}
bool can_add_web_page_previews() const {
return (flags_ & CAN_ADD_WEB_PAGE_PREVIEWS) != 0;
}
bool can_send_polls() const {
return (flags_ & CAN_SEND_POLLS) != 0;
}
template <class StorerT>
void store(StorerT &storer) const {
td::store(flags_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(flags_, parser);
}
friend bool operator==(const RestrictedRights &lhs, const RestrictedRights &rhs);
friend StringBuilder &operator<<(StringBuilder &string_builder, const RestrictedRights &status);
};
bool operator==(const RestrictedRights &lhs, const RestrictedRights &rhs);
bool operator!=(const RestrictedRights &lhs, const RestrictedRights &rhs);
StringBuilder &operator<<(StringBuilder &string_builder, const RestrictedRights &status);
class DialogParticipantStatus {
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// only flags 11 and 12 are unused
static constexpr uint32 HAS_RANK = 1 << 14;
static constexpr uint32 CAN_BE_EDITED = 1 << 15;
static constexpr uint32 IS_MEMBER = 1 << 27;
// bits 28-30 reserved for Type
static constexpr int TYPE_SHIFT = 28;
static constexpr uint32 HAS_UNTIL_DATE = 1u << 31;
enum class Type : int32 { Creator, Administrator, Member, Restricted, Left, Banned };
// all fields are logically const, but should be updated in update_restrictions()
mutable Type type_;
mutable uint32 flags_;
mutable int32 until_date_; // restricted and banned only
string rank_; // creator and administrator only
static int32 fix_until_date(int32 date);
DialogParticipantStatus(Type type, uint32 flags, int32 until_date, string rank);
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AdministratorRights get_administrator_rights() const {
return AdministratorRights(flags_);
}
RestrictedRights get_restricted_rights() const {
return RestrictedRights(flags_);
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}
public:
static DialogParticipantStatus Creator(bool is_member, bool is_anonymous, string &&rank);
static DialogParticipantStatus Administrator(AdministratorRights administrator_rights, string &&rank,
bool can_be_edited);
static DialogParticipantStatus Administrator(bool is_anonymous, string &&rank, bool can_be_edited,
bool can_manage_dialog, bool can_change_info, bool can_post_messages,
bool can_edit_messages, bool can_delete_messages, bool can_invite_users,
bool can_restrict_members, bool can_pin_messages,
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bool can_promote_members, bool can_manage_calls);
static DialogParticipantStatus Member();
static DialogParticipantStatus Restricted(RestrictedRights restricted_rights, bool is_member,
int32 restricted_until_date);
static DialogParticipantStatus Left();
static DialogParticipantStatus Banned(int32 banned_until_date);
// legacy rights
static DialogParticipantStatus GroupAdministrator(bool is_creator);
// legacy rights
static DialogParticipantStatus ChannelAdministrator(bool is_creator, bool is_megagroup);
DialogParticipantStatus(bool can_be_edited, tl_object_ptr<telegram_api::chatAdminRights> &&admin_rights, string rank);
DialogParticipantStatus(bool is_member, tl_object_ptr<telegram_api::chatBannedRights> &&banned_rights);
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RestrictedRights get_effective_restricted_rights() const;
DialogParticipantStatus apply_restrictions(RestrictedRights default_restrictions, bool is_bot) const;
tl_object_ptr<td_api::ChatMemberStatus> get_chat_member_status_object() const;
tl_object_ptr<telegram_api::chatAdminRights> get_chat_admin_rights() const;
tl_object_ptr<telegram_api::chatBannedRights> get_chat_banned_rights() const;
// unrestricts user if restriction time expired. Should be called before all privileges checks
void update_restrictions() const;
bool can_manage_dialog() const {
return get_administrator_rights().can_manage_dialog();
}
bool can_change_info_and_settings() const {
return get_administrator_rights().can_change_info_and_settings() ||
get_restricted_rights().can_change_info_and_settings();
}
bool can_post_messages() const {
return get_administrator_rights().can_post_messages();
}
bool can_edit_messages() const {
return get_administrator_rights().can_edit_messages();
}
bool can_delete_messages() const {
return get_administrator_rights().can_edit_messages();
}
bool can_invite_users() const {
return get_administrator_rights().can_invite_users() || get_restricted_rights().can_invite_users();
}
bool can_manage_invite_links() const {
// invite links can be managed, only if administrator was explicitly granted the right
return get_administrator_rights().can_invite_users();
}
bool can_restrict_members() const {
return get_administrator_rights().can_restrict_members();
}
bool can_pin_messages() const {
return get_administrator_rights().can_pin_messages() || get_restricted_rights().can_pin_messages();
}
bool can_promote_members() const {
return get_administrator_rights().can_promote_members();
}
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bool can_manage_calls() const {
return get_administrator_rights().can_manage_calls();
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}
bool can_be_edited() const {
return (flags_ & CAN_BE_EDITED) != 0;
}
bool can_send_messages() const {
return get_restricted_rights().can_send_messages();
}
bool can_send_media() const {
return get_restricted_rights().can_send_media();
}
bool can_send_stickers() const {
return get_restricted_rights().can_send_stickers();
}
bool can_send_animations() const {
return get_restricted_rights().can_send_animations();
}
bool can_send_games() const {
return get_restricted_rights().can_send_games();
}
bool can_use_inline_bots() const {
return get_restricted_rights().can_use_inline_bots();
}
bool can_add_web_page_previews() const {
return get_restricted_rights().can_add_web_page_previews();
}
bool can_send_polls() const {
return get_restricted_rights().can_send_polls();
}
void set_is_member(bool is_member) {
if (is_member) {
flags_ |= IS_MEMBER;
} else {
flags_ &= ~IS_MEMBER;
}
}
bool is_member() const {
return (flags_ & IS_MEMBER) != 0;
}
bool is_left() const {
return (flags_ & IS_MEMBER) == 0;
}
bool is_creator() const {
return type_ == Type::Creator;
}
bool is_administrator() const {
return type_ == Type::Administrator || type_ == Type::Creator;
}
bool is_restricted() const {
return type_ == Type::Restricted;
}
bool is_banned() const {
return type_ == Type::Banned;
}
int32 get_until_date() const {
return until_date_;
}
bool is_anonymous() const {
return get_administrator_rights().is_anonymous();
}
const string &get_rank() const {
return rank_;
}
template <class StorerT>
void store(StorerT &storer) const {
uint32 stored_flags = flags_ | (static_cast<uint32>(type_) << TYPE_SHIFT);
if (until_date_ > 0) {
stored_flags |= HAS_UNTIL_DATE;
}
if (!rank_.empty()) {
stored_flags |= HAS_RANK;
}
td::store(stored_flags, storer);
if (until_date_ > 0) {
td::store(until_date_, storer);
}
if (!rank_.empty()) {
td::store(rank_, storer);
}
}
template <class ParserT>
void parse(ParserT &parser) {
uint32 stored_flags;
td::parse(stored_flags, parser);
if ((stored_flags & HAS_UNTIL_DATE) != 0) {
td::parse(until_date_, parser);
stored_flags &= ~HAS_UNTIL_DATE;
}
if ((stored_flags & HAS_RANK) != 0) {
td::parse(rank_, parser);
stored_flags &= ~HAS_RANK;
}
type_ = static_cast<Type>(stored_flags >> TYPE_SHIFT);
flags_ = stored_flags & ((1 << TYPE_SHIFT) - 1);
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if (is_creator()) {
flags_ |= AdministratorRights::ALL_ADMINISTRATOR_RIGHTS | RestrictedRights::ALL_RESTRICTED_RIGHTS;
} else if (is_administrator()) {
flags_ |= AdministratorRights::CAN_MANAGE_DIALOG;
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}
}
friend bool operator==(const DialogParticipantStatus &lhs, const DialogParticipantStatus &rhs);
friend StringBuilder &operator<<(StringBuilder &string_builder, const DialogParticipantStatus &status);
};
bool operator==(const DialogParticipantStatus &lhs, const DialogParticipantStatus &rhs);
bool operator!=(const DialogParticipantStatus &lhs, const DialogParticipantStatus &rhs);
StringBuilder &operator<<(StringBuilder &string_builder, const DialogParticipantStatus &status);
struct DialogParticipant {
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DialogId dialog_id_;
UserId inviter_user_id_;
int32 joined_date_ = 0;
DialogParticipantStatus status_ = DialogParticipantStatus::Left();
DialogParticipant() = default;
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DialogParticipant(DialogId dialog_id, UserId inviter_user_id, int32 joined_date, DialogParticipantStatus status);
DialogParticipant(tl_object_ptr<telegram_api::ChatParticipant> &&participant_ptr, int32 chat_creation_date,
bool is_creator);
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explicit DialogParticipant(tl_object_ptr<telegram_api::ChannelParticipant> &&participant_ptr);
static DialogParticipant left(DialogId dialog_id) {
return {dialog_id, UserId(), 0, DialogParticipantStatus::Left()};
}
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static DialogParticipant private_member(UserId user_id, UserId other_user_id) {
auto inviter_user_id = other_user_id.is_valid() ? other_user_id : user_id;
return {DialogId(user_id), inviter_user_id, 0, DialogParticipantStatus::Member()};
}
bool is_valid() const;
template <class StorerT>
void store(StorerT &storer) const {
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td::store(dialog_id_, storer);
td::store(inviter_user_id_, storer);
td::store(joined_date_, storer);
td::store(status_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
if (parser.version() >= static_cast<int32>(Version::SupportBannedChannels)) {
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td::parse(dialog_id_, parser);
} else {
UserId user_id;
td::parse(user_id, parser);
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dialog_id_ = DialogId(user_id);
}
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td::parse(inviter_user_id_, parser);
td::parse(joined_date_, parser);
td::parse(status_, parser);
}
};
StringBuilder &operator<<(StringBuilder &string_builder, const DialogParticipant &dialog_participant);
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struct DialogParticipants {
int32 total_count_ = 0;
vector<DialogParticipant> participants_;
DialogParticipants() = default;
DialogParticipants(int32 total_count, vector<DialogParticipant> &&participants)
: total_count_(total_count), participants_(std::move(participants)) {
}
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td_api::object_ptr<td_api::chatMembers> get_chat_members_object(Td *td) const;
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};
DialogParticipantStatus get_dialog_participant_status(const tl_object_ptr<td_api::ChatMemberStatus> &status);
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AdministratorRights get_administrator_rights(tl_object_ptr<telegram_api::chatAdminRights> &&admin_rights);
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RestrictedRights get_restricted_rights(tl_object_ptr<telegram_api::chatBannedRights> &&banned_rights);
RestrictedRights get_restricted_rights(const td_api::object_ptr<td_api::chatPermissions> &permissions);
} // namespace td