RetroShare/libretroshare/src/retroshare/rsgxscircles.h

452 lines
17 KiB
C++

/*******************************************************************************
* libretroshare/src/retroshare: rsgxscircles.h *
* *
* libretroshare: retroshare core library *
* *
* Copyright (C) 2012-2014 Robert Fernie <retroshare@lunamutt.com> *
* Copyright (C) 2018-2019 Gioacchino Mazzurco <gio@eigenlab.org> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#pragma once
#include <cstdint>
#include <string>
#include <list>
#include <set>
#include "retroshare/rstypes.h"
#include "retroshare/rstokenservice.h"
#include "retroshare/rsgxsifacehelper.h"
#include "retroshare/rsidentity.h"
#include "serialiser/rsserializable.h"
#include "util/rsmemory.h"
class RsGxsCircles;
/**
* Pointer to global instance of RsGxsCircles service implementation
* @jsonapi{development}
*/
extern RsGxsCircles* rsGxsCircles;
enum class RsGxsCircleType : uint32_t // 32 bit overkill, just for retrocompat
{
UNKNOWN = 0, /// Used to detect uninizialized values.
PUBLIC = 1, /// Public distribution
EXTERNAL = 2, /// Restricted to an external circle
/** Restricted to a group of friend nodes, the administrator of the circle
* behave as a hub for them */
NODES_GROUP = 3,
LOCAL = 4, /// not distributed at all
/** Self-restricted. Used only at creation time of self-restricted circles
* when the circle id isn't known yet. Once the circle id is known the type
* is set to EXTERNAL, and the external circle id is set to the id of the
* circle itself.
*/
EXT_SELF = 5,
/// distributed to nodes signed by your own PGP key only.
YOUR_EYES_ONLY = 6
};
// TODO: convert to enum class
static const uint32_t GXS_EXTERNAL_CIRCLE_FLAGS_IN_ADMIN_LIST = 0x0001 ;// user is validated by circle admin
static const uint32_t GXS_EXTERNAL_CIRCLE_FLAGS_SUBSCRIBED = 0x0002 ;// user has subscribed the group
static const uint32_t GXS_EXTERNAL_CIRCLE_FLAGS_KEY_AVAILABLE = 0x0004 ;// key is available, so we can encrypt for this circle
static const uint32_t GXS_EXTERNAL_CIRCLE_FLAGS_ALLOWED = 0x0007 ;// user is allowed. Combines all flags above.
struct RsGxsCircleGroup : RsSerializable
{
RsGroupMetaData mMeta;
std::set<RsPgpId> mLocalFriends;
std::set<RsGxsId> mInvitedMembers;
std::set<RsGxsCircleId> mSubCircles;
#ifdef V07_NON_BACKWARD_COMPATIBLE_CHANGE_UNNAMED
# error "Add description, and multiple owners/administrators to circles"
// or better in general to GXS groups
#endif
/// @see RsSerializable
void serial_process( RsGenericSerializer::SerializeJob j,
RsGenericSerializer::SerializeContext& ctx) override
{
RS_SERIAL_PROCESS(mMeta);
RS_SERIAL_PROCESS(mLocalFriends);
RS_SERIAL_PROCESS(mInvitedMembers);
RS_SERIAL_PROCESS(mSubCircles);
}
~RsGxsCircleGroup() override;
};
struct RsGxsCircleMsg : RsSerializable
{
RsMsgMetaData mMeta;
#ifndef V07_NON_BACKWARD_COMPATIBLE_CHANGE_UNNAMED
/* This is horrible and should be changed into yet to be defined something
* reasonable in next non-retrocompatible version */
std::string stuff;
#endif
/// @see RsSerializable
void serial_process( RsGenericSerializer::SerializeJob j,
RsGenericSerializer::SerializeContext& ctx) override
{
RS_SERIAL_PROCESS(mMeta);
RS_SERIAL_PROCESS(stuff);
}
~RsGxsCircleMsg() override;
};
struct RsGxsCircleDetails : RsSerializable
{
RsGxsCircleDetails() :
mCircleType(static_cast<uint32_t>(RsGxsCircleType::EXTERNAL)),
mAmIAllowed(false),mAmIAdmin(false) {}
~RsGxsCircleDetails() override;
RsGxsCircleId mCircleId;
std::string mCircleName;
uint32_t mCircleType;
RsGxsCircleId mRestrictedCircleId;
/** true when one of load GXS ids belong to the circle allowed list (admin
* list & subscribed list). */
bool mAmIAllowed;
/// true when we're an administrator of the circle group, meaning that we can add/remove members from the invitee list.
bool mAmIAdmin;
/// This crosses admin list and subscribed list
std::set<RsGxsId> mAllowedGxsIds;
std::set<RsPgpId> mAllowedNodes;
/// subscription flags for all ids
std::map<RsGxsId,uint32_t> mSubscriptionFlags;
/// @see RsSerializable
void serial_process( RsGenericSerializer::SerializeJob j,
RsGenericSerializer::SerializeContext& ctx) override
{
RS_SERIAL_PROCESS(mCircleId);
RS_SERIAL_PROCESS(mCircleName);
RS_SERIAL_PROCESS(mCircleType);
RS_SERIAL_PROCESS(mRestrictedCircleId);
RS_SERIAL_PROCESS(mAmIAllowed);
RS_SERIAL_PROCESS(mAmIAdmin);
RS_SERIAL_PROCESS(mAllowedGxsIds);
RS_SERIAL_PROCESS(mAllowedNodes);
RS_SERIAL_PROCESS(mSubscriptionFlags);
}
};
enum class RsGxsCircleEventCode: uint8_t
{
UNKNOWN = 0x00,
/** mCircleId contains the circle id and mGxsId is the id requesting
* membership */
CIRCLE_MEMBERSHIP_REQUEST = 0x01,
/** mCircleId is the circle that invites me, and mGxsId is my own Id that is
* invited */
CIRCLE_MEMBERSHIP_INVITE = 0x02,
/** mCircleId contains the circle id and mGxsId is the id dropping
* membership */
CIRCLE_MEMBERSHIP_LEAVE = 0x03,
/// mCircleId contains the circle id and mGxsId is the id of the new member
CIRCLE_MEMBERSHIP_JOIN = 0x04,
/** mCircleId contains the circle id and mGxsId is the id that was revoqued * by admin */
CIRCLE_MEMBERSHIP_REVOQUED= 0x05,
/** mCircleId contains the circle id */
NEW_CIRCLE = 0x06,
/** no additional information. Simply means that the info previously from the cache has changed. */
CACHE_DATA_UPDATED = 0x07,
};
struct RsGxsCircleEvent: RsEvent
{
RsGxsCircleEvent()
: RsEvent(RsEventType::GXS_CIRCLES),
mCircleEventType(RsGxsCircleEventCode::UNKNOWN) {}
RsGxsCircleEventCode mCircleEventType;
RsGxsCircleId mCircleId;
RsGxsId mGxsId;
///* @see RsEvent @see RsSerializable
void serial_process(
RsGenericSerializer::SerializeJob j,
RsGenericSerializer::SerializeContext& ctx ) override
{
RsEvent::serial_process(j, ctx);
RS_SERIAL_PROCESS(mCircleEventType);
RS_SERIAL_PROCESS(mCircleId);
RS_SERIAL_PROCESS(mGxsId);
}
~RsGxsCircleEvent() override;
};
class RsGxsCircles: public RsGxsIfaceHelper
{
public:
RsGxsCircles(RsGxsIface& gxs) : RsGxsIfaceHelper(gxs) {}
virtual ~RsGxsCircles();
/**
* @brief Create new circle
* @jsonapi{development}
* @param[in] circleName String containing cirlce name
* @param[in] circleType Circle type
* @param[out] circleId Optional storage to output created circle id
* @param[in] restrictedId Optional id of a pre-existent circle that see the
* created circle. Meaningful only if circleType == EXTERNAL, must be null
* in all other cases.
* @param[in] authorId Optional author of the circle.
* @param[in] gxsIdMembers GXS ids of the members of the circle.
* @param[in] localMembers PGP ids of the members if the circle.
* @return false if something failed, true otherwhise
*/
virtual bool createCircle(
const std::string& circleName, RsGxsCircleType circleType,
RsGxsCircleId& circleId = RS_DEFAULT_STORAGE_PARAM(RsGxsCircleId),
const RsGxsCircleId& restrictedId = RsGxsCircleId(),
const RsGxsId& authorId = RsGxsId(),
const std::set<RsGxsId>& gxsIdMembers = std::set<RsGxsId>(),
const std::set<RsPgpId>& localMembers = std::set<RsPgpId>() ) = 0;
/**
* @brief Edit own existing circle
* @jsonapi{development}
* @param[inout] cData Circle data with modifications, storage for data
* updatedad during the operation.
* @return false if something failed, true otherwhise
*/
virtual bool editCircle(RsGxsCircleGroup& cData) = 0;
/**
* @brief Get circle details. Memory cached
* @jsonapi{development}
* @param[in] id Id of the circle
* @param[out] details Storage for the circle details
* @return false if something failed, true otherwhise
*/
virtual bool getCircleDetails(
const RsGxsCircleId& id, RsGxsCircleDetails& details ) = 0;
/**
* @brief Get list of known external circles ids. Memory cached
* @jsonapi{development}
* @param[in] circleIds Storage for circles id list
* @return false if something failed, true otherwhise
*/
virtual bool getCircleExternalIdList(
std::list<RsGxsCircleId>& circleIds ) = 0;
/**
* @brief Get circles summaries list.
* @jsonapi{development}
* @param[out] circles list where to store the circles summaries
* @return false if something failed, true otherwhise
*/
virtual bool getCirclesSummaries(std::list<RsGroupMetaData>& circles) = 0;
/**
* @brief Get circles information
* @jsonapi{development}
* @param[in] circlesIds ids of the circles of which to get the informations
* @param[out] circlesInfo storage for the circles informations
* @return false if something failed, true otherwhise
*/
virtual bool getCirclesInfo(
const std::list<RsGxsGroupId>& circlesIds,
std::vector<RsGxsCircleGroup>& circlesInfo ) = 0;
/**
* @brief Get circle requests
* @jsonapi{development}
* @param[in] circleId id of the circle of which the requests are requested
* @param[out] requests storage for the circle requests
* @return false if something failed, true otherwhise
*/
virtual bool getCircleRequests( const RsGxsGroupId& circleId,
std::vector<RsGxsCircleMsg>& requests ) = 0;
/**
* @brief Get specific circle request
* @jsonapi{development}
* @param[in] circleId id of the circle of which the requests are requested
* @param[in] msgId id of the request
* @param[out] msg storage for the circle request
* @return false if something failed, true otherwhise
*/
virtual bool getCircleRequest(const RsGxsGroupId& circleId,
const RsGxsMessageId& msgId,
RsGxsCircleMsg& msg) =0;
/**
* @brief Invite identities to circle (admin key is required)
* @jsonapi{development}
* @param[in] identities ids of the identities to invite
* @param[in] circleId Id of the circle you own and want to invite ids in
* @return false if something failed, true otherwhise
*/
virtual bool inviteIdsToCircle( const std::set<RsGxsId>& identities,
const RsGxsCircleId& circleId ) = 0;
/**
* @brief Remove identities from circle (admin key is required)
* @jsonapi{development}
* @param[in] identities ids of the identities to remove from the invite list
* @param[in] circleId Id of the circle you own and want to invite ids in
* @return false if something failed, true otherwhise
*/
virtual bool revokeIdsFromCircle( const std::set<RsGxsId>& identities,
const RsGxsCircleId& circleId ) = 0;
/**
* @brief Request circle membership, or accept circle invitation
* @jsonapi{development}
* @param[in] ownGxsId Id of own identity to introduce to the circle
* @param[in] circleId Id of the circle to which ask for inclusion
* @return false if something failed, true otherwhise
*/
virtual bool requestCircleMembership(
const RsGxsId& ownGxsId, const RsGxsCircleId& circleId ) = 0;
/**
* @brief Leave given circle
* @jsonapi{development}
* @param[in] ownGxsId Own id to remove from the circle
* @param[in] circleId Id of the circle to leave
* @return false if something failed, true otherwhise
*/
virtual bool cancelCircleMembership(
const RsGxsId& ownGxsId, const RsGxsCircleId& circleId ) = 0;
/// default base URL used for circle links @see exportCircleLink
static const std::string DEFAULT_CIRCLE_BASE_URL;
/// Circle link query field used to store circle name @see exportCircleLink
static const std::string CIRCLE_URL_NAME_FIELD;
/// Circle link query field used to store circle id @see exportCircleLink
static const std::string CIRCLE_URL_ID_FIELD;
/// Circle link query field used to store circle data @see exportCircleLink
static const std::string CIRCLE_URL_DATA_FIELD;
/**
* @brief Get link to a circle
* @jsonapi{development}
* @param[out] link storage for the generated link
* @param[in] circleId Id of the circle of which we want to generate a link
* @param[in] includeGxsData if true include the circle GXS group data so
* the receiver can request circle membership even if the circle hasn't
* propagated through GXS to her yet
* @param[in] baseUrl URL into which to sneak in the RetroShare circle link
* radix, this is primarly useful to induce applications into making the
* link clickable, or to disguise the RetroShare circle link into a
* "normal" looking web link. If empty the circle data link will be
* outputted in plain base64 format.
* @param[out] errMsg optional storage for error message, meaningful only in
* case of failure
* @return false if something failed, true otherwhise
*/
virtual bool exportCircleLink(
std::string& link, const RsGxsCircleId& circleId,
bool includeGxsData = true,
const std::string& baseUrl = RsGxsCircles::DEFAULT_CIRCLE_BASE_URL,
std::string& errMsg = RS_DEFAULT_STORAGE_PARAM(std::string) ) = 0;
/**
* @brief Import circle from full link
* @param[in] link circle link either in radix or link format
* @param[out] circleId optional storage for parsed circle id
* @param[out] errMsg optional storage for error message, meaningful only in
* case of failure
* @return false if some error occurred, true otherwise
*/
virtual bool importCircleLink(
const std::string& link,
RsGxsCircleId& circleId = RS_DEFAULT_STORAGE_PARAM(RsGxsCircleId),
std::string& errMsg = RS_DEFAULT_STORAGE_PARAM(std::string) ) = 0;
RS_DEPRECATED_FOR("getCirclesSummaries getCirclesInfo")
virtual bool getGroupData(
const uint32_t& token, std::vector<RsGxsCircleGroup>& groups ) = 0;
RS_DEPRECATED_FOR(getCirclesRequests)
virtual bool getMsgData(
const uint32_t& token, std::vector<RsGxsCircleMsg>& msgs ) = 0;
/// make new group
RS_DEPRECATED_FOR(createCircle)
virtual void createGroup(uint32_t& token, RsGxsCircleGroup &group) = 0;
/// update an existing group
RS_DEPRECATED_FOR("editCircle, inviteIdsToCircle")
virtual void updateGroup(uint32_t &token, RsGxsCircleGroup &group) = 0;
};
/// @deprecated Used to detect uninizialized values.
RS_DEPRECATED_FOR("RsGxsCircleType::UNKNOWN")
static const uint32_t GXS_CIRCLE_TYPE_UNKNOWN = 0x0000;
/// @deprecated not restricted to a circle
RS_DEPRECATED_FOR("RsGxsCircleType::PUBLIC")
static const uint32_t GXS_CIRCLE_TYPE_PUBLIC = 0x0001;
/// @deprecated restricted to an external circle, made of RsGxsId
RS_DEPRECATED_FOR("RsGxsCircleType::EXTERNAL")
static const uint32_t GXS_CIRCLE_TYPE_EXTERNAL = 0x0002;
/// @deprecated restricted to a subset of friend nodes of a given RS node given
/// by a RsPgpId list
RS_DEPRECATED_FOR("RsGxsCircleType::NODES_GROUP")
static const uint32_t GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY = 0x0003;
/// @deprecated not distributed at all
RS_DEPRECATED_FOR("RsGxsCircleType::LOCAL")
static const uint32_t GXS_CIRCLE_TYPE_LOCAL = 0x0004;
/// @deprecated self-restricted. Not used, except at creation time when the
/// circle ID isn't known yet. Set to EXTERNAL afterwards.
RS_DEPRECATED_FOR("RsGxsCircleType::EXT_SELF")
static const uint32_t GXS_CIRCLE_TYPE_EXT_SELF = 0x0005;
/// @deprecated distributed to nodes signed by your own PGP key only.
RS_DEPRECATED_FOR("RsGxsCircleType::YOUR_EYES_ONLY")
static const uint32_t GXS_CIRCLE_TYPE_YOUR_EYES_ONLY = 0x0006;