2563 lines
77 KiB
Go
2563 lines
77 KiB
Go
package communities
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import (
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"bytes"
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"crypto/ecdsa"
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"encoding/json"
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"errors"
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"fmt"
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"math"
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"math/big"
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"sync"
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"time"
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"github.com/golang/protobuf/proto"
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"go.uber.org/zap"
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slices "golang.org/x/exp/slices"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/status-im/status-go/api/multiformat"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/images"
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"github.com/status-im/status-go/protocol/common"
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"github.com/status-im/status-go/protocol/common/shard"
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community_token "github.com/status-im/status-go/protocol/communities/token"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/protocol/requests"
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"github.com/status-im/status-go/protocol/v1"
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)
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const signatureLength = 65
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type Config struct {
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PrivateKey *ecdsa.PrivateKey
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ControlNode *ecdsa.PublicKey
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ControlDevice bool // whether this device is control node
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CommunityDescription *protobuf.CommunityDescription
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CommunityDescriptionProtocolMessage []byte // community in a wrapped & signed (by owner) protocol message
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ID *ecdsa.PublicKey
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Joined bool
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JoinedAt int64
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Requested bool
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Verified bool
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Spectated bool
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Muted bool
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MuteTill time.Time
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Logger *zap.Logger
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RequestedToJoinAt uint64
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RequestsToJoin []*RequestToJoin
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MemberIdentity *ecdsa.PublicKey
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EventsData *EventsData
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Shard *shard.Shard
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PubsubTopicPrivateKey *ecdsa.PrivateKey
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LastOpenedAt int64
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}
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type EventsData struct {
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EventsBaseCommunityDescription []byte
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Events []CommunityEvent
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}
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type Community struct {
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config *Config
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mutex sync.Mutex
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timesource common.TimeSource
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encryptor DescriptionEncryptor
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}
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func New(config Config, timesource common.TimeSource, encryptor DescriptionEncryptor) (*Community, error) {
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if config.MemberIdentity == nil {
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return nil, errors.New("no member identity")
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}
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if timesource == nil {
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return nil, errors.New("no timesource")
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}
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if config.Logger == nil {
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logger, err := zap.NewDevelopment()
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if err != nil {
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return nil, err
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}
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config.Logger = logger
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}
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if config.CommunityDescription == nil {
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config.CommunityDescription = &protobuf.CommunityDescription{}
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}
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return &Community{config: &config, timesource: timesource, encryptor: encryptor}, nil
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}
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type CommunityAdminSettings struct {
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PinMessageAllMembersEnabled bool `json:"pinMessageAllMembersEnabled"`
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}
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type CommunityChat struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Color string `json:"color"`
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Emoji string `json:"emoji"`
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Description string `json:"description"`
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Members map[string]*protobuf.CommunityMember `json:"members"`
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Permissions *protobuf.CommunityPermissions `json:"permissions"`
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CanPost bool `json:"canPost"`
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CanView bool `json:"canView"`
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ViewersCanPostReactions bool `json:"viewersCanPostReactions"`
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Position int `json:"position"`
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CategoryID string `json:"categoryID"`
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TokenGated bool `json:"tokenGated"`
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HideIfPermissionsNotMet bool `json:"hideIfPermissionsNotMet"`
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}
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type CommunityCategory struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Position int `json:"position"` // Position is used to sort the categories
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}
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type CommunityTag struct {
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Name string `json:"name"`
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Emoji string `json:"emoji"`
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}
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type CommunityMemberState uint8
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const (
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CommunityMemberBanned CommunityMemberState = iota
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CommunityMemberBanPending
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CommunityMemberUnbanPending
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CommunityMemberKickPending
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CommunityMemberBanWithAllMessagesDelete
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)
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func (o *Community) MarshalPublicAPIJSON() ([]byte, error) {
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if o.config.MemberIdentity == nil {
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return nil, errors.New("member identity not set")
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}
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communityItem := struct {
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ID types.HexBytes `json:"id"`
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Verified bool `json:"verified"`
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Chats map[string]CommunityChat `json:"chats"`
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Categories map[string]CommunityCategory `json:"categories"`
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Name string `json:"name"`
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Description string `json:"description"`
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IntroMessage string `json:"introMessage"`
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OutroMessage string `json:"outroMessage"`
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Tags []CommunityTag `json:"tags"`
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Images map[string]images.IdentityImage `json:"images"`
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Color string `json:"color"`
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MembersCount int `json:"membersCount"`
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EnsName string `json:"ensName"`
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Link string `json:"link"`
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CommunityAdminSettings CommunityAdminSettings `json:"adminSettings"`
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Encrypted bool `json:"encrypted"`
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TokenPermissions map[string]*CommunityTokenPermission `json:"tokenPermissions"`
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CommunityTokensMetadata []*protobuf.CommunityTokenMetadata `json:"communityTokensMetadata"`
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ActiveMembersCount uint64 `json:"activeMembersCount"`
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PubsubTopic string `json:"pubsubTopic"`
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PubsubTopicKey string `json:"pubsubTopicKey"`
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Shard *shard.Shard `json:"shard"`
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}{
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ID: o.ID(),
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Verified: o.config.Verified,
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Chats: make(map[string]CommunityChat),
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Categories: make(map[string]CommunityCategory),
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Tags: o.Tags(),
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PubsubTopic: o.PubsubTopic(),
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PubsubTopicKey: o.PubsubTopicKey(),
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Shard: o.Shard(),
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}
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if o.config.CommunityDescription != nil {
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for id, c := range o.config.CommunityDescription.Categories {
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category := CommunityCategory{
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ID: id,
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Name: c.Name,
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Position: int(c.Position),
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}
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communityItem.Categories[id] = category
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communityItem.Encrypted = o.Encrypted()
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}
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for id, c := range o.config.CommunityDescription.Chats {
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// NOTE: Here `CanPost` is only set for ChatMessage. But it can be different for reactions/pin/etc.
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// Consider adding more properties to `CommunityChat` to reflect that.
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canPost, err := o.CanPost(o.config.MemberIdentity, id, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE)
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if err != nil {
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return nil, err
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}
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canView := o.CanView(o.config.MemberIdentity, id)
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chat := CommunityChat{
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ID: id,
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Name: c.Identity.DisplayName,
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Color: c.Identity.Color,
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Emoji: c.Identity.Emoji,
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Description: c.Identity.Description,
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Permissions: c.Permissions,
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Members: c.Members,
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CanPost: canPost,
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CanView: canView,
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ViewersCanPostReactions: c.ViewersCanPostReactions,
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TokenGated: o.channelEncrypted(id),
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CategoryID: c.CategoryId,
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HideIfPermissionsNotMet: c.HideIfPermissionsNotMet,
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Position: int(c.Position),
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}
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communityItem.Chats[id] = chat
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}
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communityItem.TokenPermissions = o.tokenPermissions()
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communityItem.MembersCount = len(o.config.CommunityDescription.Members)
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communityItem.Link = fmt.Sprintf("https://join.status.im/c/0x%x", o.ID())
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if o.Shard() != nil {
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communityItem.Link = fmt.Sprintf("%s/%d/%d", communityItem.Link, o.Shard().Cluster, o.Shard().Index)
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}
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communityItem.IntroMessage = o.config.CommunityDescription.IntroMessage
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communityItem.OutroMessage = o.config.CommunityDescription.OutroMessage
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communityItem.CommunityTokensMetadata = o.config.CommunityDescription.CommunityTokensMetadata
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communityItem.ActiveMembersCount = o.config.CommunityDescription.ActiveMembersCount
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if o.config.CommunityDescription.Identity != nil {
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communityItem.Name = o.Name()
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communityItem.Color = o.config.CommunityDescription.Identity.Color
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communityItem.Description = o.config.CommunityDescription.Identity.Description
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for t, i := range o.config.CommunityDescription.Identity.Images {
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if communityItem.Images == nil {
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communityItem.Images = make(map[string]images.IdentityImage)
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}
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communityItem.Images[t] = images.IdentityImage{Name: t, Payload: i.Payload}
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}
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}
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communityItem.CommunityAdminSettings = CommunityAdminSettings{
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PinMessageAllMembersEnabled: false,
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}
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if o.config.CommunityDescription.AdminSettings != nil {
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communityItem.CommunityAdminSettings.PinMessageAllMembersEnabled = o.config.CommunityDescription.AdminSettings.PinMessageAllMembersEnabled
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}
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}
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return json.Marshal(communityItem)
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}
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func (o *Community) MarshalJSON() ([]byte, error) {
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if o.config.MemberIdentity == nil {
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return nil, errors.New("member identity not set")
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}
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communityItem := struct {
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ID types.HexBytes `json:"id"`
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MemberRole protobuf.CommunityMember_Roles `json:"memberRole"`
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IsControlNode bool `json:"isControlNode"`
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Verified bool `json:"verified"`
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Joined bool `json:"joined"`
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JoinedAt int64 `json:"joinedAt"`
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Spectated bool `json:"spectated"`
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RequestedAccessAt int `json:"requestedAccessAt"`
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Name string `json:"name"`
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Description string `json:"description"`
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IntroMessage string `json:"introMessage"`
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OutroMessage string `json:"outroMessage"`
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Tags []CommunityTag `json:"tags"`
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Chats map[string]CommunityChat `json:"chats"`
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Categories map[string]CommunityCategory `json:"categories"`
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Images map[string]images.IdentityImage `json:"images"`
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Permissions *protobuf.CommunityPermissions `json:"permissions"`
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Members map[string]*protobuf.CommunityMember `json:"members"`
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CanRequestAccess bool `json:"canRequestAccess"`
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CanManageUsers bool `json:"canManageUsers"` //TODO: we can remove this
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CanDeleteMessageForEveryone bool `json:"canDeleteMessageForEveryone"` //TODO: we can remove this
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CanJoin bool `json:"canJoin"`
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Color string `json:"color"`
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RequestedToJoinAt uint64 `json:"requestedToJoinAt,omitempty"`
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IsMember bool `json:"isMember"`
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Muted bool `json:"muted"`
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MuteTill time.Time `json:"muteTill,omitempty"`
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CommunityAdminSettings CommunityAdminSettings `json:"adminSettings"`
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Encrypted bool `json:"encrypted"`
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PendingAndBannedMembers map[string]CommunityMemberState `json:"pendingAndBannedMembers"`
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TokenPermissions map[string]*CommunityTokenPermission `json:"tokenPermissions"`
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CommunityTokensMetadata []*protobuf.CommunityTokenMetadata `json:"communityTokensMetadata"`
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ActiveMembersCount uint64 `json:"activeMembersCount"`
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PubsubTopic string `json:"pubsubTopic"`
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PubsubTopicKey string `json:"pubsubTopicKey"`
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Shard *shard.Shard `json:"shard"`
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LastOpenedAt int64 `json:"lastOpenedAt"`
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Clock uint64 `json:"clock"`
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}{
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ID: o.ID(),
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Clock: o.Clock(),
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MemberRole: o.MemberRole(o.MemberIdentity()),
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IsControlNode: o.IsControlNode(),
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Verified: o.config.Verified,
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Chats: make(map[string]CommunityChat),
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Categories: make(map[string]CommunityCategory),
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Joined: o.config.Joined,
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JoinedAt: o.config.JoinedAt,
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Spectated: o.config.Spectated,
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CanRequestAccess: o.CanRequestAccess(o.config.MemberIdentity),
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CanJoin: o.canJoin(),
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CanManageUsers: o.CanManageUsers(o.config.MemberIdentity),
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CanDeleteMessageForEveryone: o.CanDeleteMessageForEveryone(o.config.MemberIdentity),
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RequestedToJoinAt: o.RequestedToJoinAt(),
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IsMember: o.isMember(),
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Muted: o.config.Muted,
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MuteTill: o.config.MuteTill,
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Tags: o.Tags(),
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Encrypted: o.Encrypted(),
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PubsubTopic: o.PubsubTopic(),
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PubsubTopicKey: o.PubsubTopicKey(),
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Shard: o.Shard(),
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LastOpenedAt: o.config.LastOpenedAt,
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}
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if o.config.CommunityDescription != nil {
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for id, c := range o.config.CommunityDescription.Categories {
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category := CommunityCategory{
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ID: id,
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Name: c.Name,
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Position: int(c.Position),
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}
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communityItem.Encrypted = o.Encrypted()
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communityItem.Categories[id] = category
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}
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for id, c := range o.config.CommunityDescription.Chats {
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// NOTE: Here `CanPost` is only set for ChatMessage. But it can be different for reactions/pin/etc.
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// Consider adding more properties to `CommunityChat` to reflect that.
|
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canPost, err := o.CanPost(o.config.MemberIdentity, id, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE)
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if err != nil {
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return nil, err
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}
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canView := o.CanView(o.config.MemberIdentity, id)
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chat := CommunityChat{
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ID: id,
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Name: c.Identity.DisplayName,
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Emoji: c.Identity.Emoji,
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Color: c.Identity.Color,
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Description: c.Identity.Description,
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Permissions: c.Permissions,
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Members: c.Members,
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CanPost: canPost,
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CanView: canView,
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ViewersCanPostReactions: c.ViewersCanPostReactions,
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TokenGated: o.channelEncrypted(id),
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CategoryID: c.CategoryId,
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HideIfPermissionsNotMet: c.HideIfPermissionsNotMet,
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Position: int(c.Position),
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}
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communityItem.Chats[id] = chat
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}
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communityItem.TokenPermissions = o.tokenPermissions()
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communityItem.PendingAndBannedMembers = o.PendingAndBannedMembers()
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communityItem.Members = o.config.CommunityDescription.Members
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communityItem.Permissions = o.config.CommunityDescription.Permissions
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communityItem.IntroMessage = o.config.CommunityDescription.IntroMessage
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communityItem.OutroMessage = o.config.CommunityDescription.OutroMessage
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communityItem.CommunityTokensMetadata = o.config.CommunityDescription.CommunityTokensMetadata
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communityItem.ActiveMembersCount = o.config.CommunityDescription.ActiveMembersCount
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if o.config.CommunityDescription.Identity != nil {
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communityItem.Name = o.Name()
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communityItem.Color = o.config.CommunityDescription.Identity.Color
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communityItem.Description = o.config.CommunityDescription.Identity.Description
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for t, i := range o.config.CommunityDescription.Identity.Images {
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if communityItem.Images == nil {
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communityItem.Images = make(map[string]images.IdentityImage)
|
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}
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communityItem.Images[t] = images.IdentityImage{Name: t, Payload: i.Payload}
|
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}
|
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}
|
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|
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communityItem.CommunityAdminSettings = CommunityAdminSettings{
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PinMessageAllMembersEnabled: false,
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}
|
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|
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if o.config.CommunityDescription.AdminSettings != nil {
|
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communityItem.CommunityAdminSettings.PinMessageAllMembersEnabled = o.config.CommunityDescription.AdminSettings.PinMessageAllMembersEnabled
|
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}
|
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}
|
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return json.Marshal(communityItem)
|
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}
|
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|
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func (o *Community) Identity() *protobuf.ChatIdentity {
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return o.config.CommunityDescription.Identity
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}
|
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|
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func (o *Community) Permissions() *protobuf.CommunityPermissions {
|
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return o.config.CommunityDescription.Permissions
|
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}
|
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|
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func (o *Community) AdminSettings() *protobuf.CommunityAdminSettings {
|
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return o.config.CommunityDescription.AdminSettings
|
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}
|
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|
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func (o *Community) Name() string {
|
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if o != nil &&
|
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o.config != nil &&
|
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o.config.CommunityDescription != nil &&
|
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o.config.CommunityDescription.Identity != nil {
|
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return o.config.CommunityDescription.Identity.DisplayName
|
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}
|
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return ""
|
|
}
|
|
|
|
func (o *Community) DescriptionText() string {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil &&
|
|
o.config.CommunityDescription.Identity != nil {
|
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return o.config.CommunityDescription.Identity.Description
|
|
}
|
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return ""
|
|
}
|
|
|
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func (o *Community) Shard() *shard.Shard {
|
|
if o != nil && o.config != nil {
|
|
return o.config.Shard
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) CommunityShard() CommunityShard {
|
|
return CommunityShard{
|
|
CommunityID: o.IDString(),
|
|
Shard: o.Shard(),
|
|
}
|
|
}
|
|
|
|
func (o *Community) IntroMessage() string {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
return o.config.CommunityDescription.IntroMessage
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (o *Community) CommunityTokensMetadata() []*protobuf.CommunityTokenMetadata {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
return o.config.CommunityDescription.CommunityTokensMetadata
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) Tags() []CommunityTag {
|
|
if o == nil ||
|
|
o.config == nil ||
|
|
o.config.CommunityDescription == nil {
|
|
return nil
|
|
}
|
|
|
|
result := make([]CommunityTag, 0, len(o.config.CommunityDescription.Tags))
|
|
for _, t := range o.config.CommunityDescription.Tags {
|
|
result = append(result, CommunityTag{
|
|
Name: t,
|
|
Emoji: requests.TagEmoji(t),
|
|
})
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (o *Community) TagsRaw() []string {
|
|
return o.config.CommunityDescription.Tags
|
|
}
|
|
|
|
func (o *Community) TagsIndices() []uint32 {
|
|
var indices []uint32
|
|
for _, t := range o.config.CommunityDescription.Tags {
|
|
indices = append(indices, requests.TagIndex(t))
|
|
}
|
|
return indices
|
|
}
|
|
|
|
func (o *Community) OutroMessage() string {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
return o.config.CommunityDescription.OutroMessage
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (o *Community) Color() string {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil &&
|
|
o.config.CommunityDescription.Identity != nil {
|
|
return o.config.CommunityDescription.Identity.Color
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (o *Community) Members() map[string]*protobuf.CommunityMember {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
return o.config.CommunityDescription.Members
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) MembersCount() int {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
return len(o.config.CommunityDescription.Members)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
func (o *Community) GetMemberPubkeys() []*ecdsa.PublicKey {
|
|
if o != nil &&
|
|
o.config != nil &&
|
|
o.config.CommunityDescription != nil {
|
|
pubkeys := make([]*ecdsa.PublicKey, len(o.config.CommunityDescription.Members))
|
|
i := 0
|
|
for hex := range o.config.CommunityDescription.Members {
|
|
pubkeys[i], _ = common.HexToPubkey(hex)
|
|
i++
|
|
}
|
|
return pubkeys
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type CommunitySettings struct {
|
|
CommunityID string `json:"communityId"`
|
|
HistoryArchiveSupportEnabled bool `json:"historyArchiveSupportEnabled"`
|
|
Clock uint64 `json:"clock"`
|
|
}
|
|
|
|
func (o *Community) emptyCommunityChanges() *CommunityChanges {
|
|
changes := EmptyCommunityChanges()
|
|
changes.Community = o
|
|
return changes
|
|
}
|
|
|
|
func (o *Community) CreateChat(chatID string, chat *protobuf.CommunityChat) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_CHANNEL_CREATE)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
err := o.createChat(chatID, chat)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
changes := o.emptyCommunityChanges()
|
|
changes.ChatsAdded[chatID] = chat
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToCreateChannelCommunityEvent(chatID, chat))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) EditChat(chatID string, chat *protobuf.CommunityChat) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_CHANNEL_EDIT)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
err := o.editChat(chatID, chat)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
changes := o.emptyCommunityChanges()
|
|
changes.ChatsModified[chatID] = &CommunityChatChanges{
|
|
ChatModified: chat,
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToEditChannelCommunityEvent(chatID, chat))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) DeleteChat(chatID string) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_CHANNEL_DELETE)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
changes := o.deleteChat(chatID)
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToDeleteChannelCommunityEvent(chatID))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) getMember(pk *ecdsa.PublicKey) *protobuf.CommunityMember {
|
|
|
|
key := common.PubkeyToHex(pk)
|
|
member := o.config.CommunityDescription.Members[key]
|
|
return member
|
|
}
|
|
|
|
func (o *Community) GetMember(pk *ecdsa.PublicKey) *protobuf.CommunityMember {
|
|
return o.getMember(pk)
|
|
}
|
|
|
|
func (o *Community) GetChat(chatID string) (*protobuf.CommunityChat, error) {
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
return nil, ErrChatNotFound
|
|
}
|
|
|
|
return chat, nil
|
|
}
|
|
|
|
func (o *Community) getChatMember(pk *ecdsa.PublicKey, chatID string) *protobuf.CommunityMember {
|
|
if !o.hasMember(pk) {
|
|
return nil
|
|
}
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
return nil
|
|
}
|
|
|
|
key := common.PubkeyToHex(pk)
|
|
return chat.Members[key]
|
|
}
|
|
|
|
func (o *Community) hasMember(pk *ecdsa.PublicKey) bool {
|
|
|
|
member := o.getMember(pk)
|
|
return member != nil
|
|
}
|
|
|
|
func (o *Community) IsBanned(pk *ecdsa.PublicKey) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.isBanned(pk)
|
|
}
|
|
|
|
func (o *Community) isBanned(pk *ecdsa.PublicKey) bool {
|
|
|
|
key := common.PubkeyToHex(pk)
|
|
|
|
banned := slices.Contains(o.config.CommunityDescription.BanList, key)
|
|
|
|
if o.config.CommunityDescription.BannedMembers != nil && !banned {
|
|
_, banned = o.config.CommunityDescription.BannedMembers[key]
|
|
}
|
|
|
|
return banned
|
|
|
|
}
|
|
|
|
func (o *Community) rolesOf(pk *ecdsa.PublicKey) []protobuf.CommunityMember_Roles {
|
|
member := o.getMember(pk)
|
|
if member == nil {
|
|
return nil
|
|
}
|
|
|
|
return member.Roles
|
|
}
|
|
|
|
func (o *Community) memberHasRoles(member *protobuf.CommunityMember, roles map[protobuf.CommunityMember_Roles]bool) bool {
|
|
for _, r := range member.Roles {
|
|
if roles[r] {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (o *Community) hasRoles(pk *ecdsa.PublicKey, roles map[protobuf.CommunityMember_Roles]bool) bool {
|
|
if pk == nil || o.config == nil || o.config.ID == nil {
|
|
return false
|
|
}
|
|
|
|
member := o.getMember(pk)
|
|
if member == nil {
|
|
return false
|
|
}
|
|
|
|
return o.memberHasRoles(member, roles)
|
|
}
|
|
|
|
func (o *Community) HasMember(pk *ecdsa.PublicKey) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.hasMember(pk)
|
|
}
|
|
|
|
func (o *Community) IsMemberInChat(pk *ecdsa.PublicKey, chatID string) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
return o.getChatMember(pk, chatID) != nil
|
|
}
|
|
|
|
func (o *Community) RemoveUserFromChat(pk *ecdsa.PublicKey, chatID string) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
if !o.hasMember(pk) {
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
key := common.PubkeyToHex(pk)
|
|
delete(chat.Members, key)
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
}
|
|
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) removeMemberFromOrg(pk *ecdsa.PublicKey) {
|
|
if !o.hasMember(pk) {
|
|
return
|
|
}
|
|
|
|
key := common.PubkeyToHex(pk)
|
|
|
|
// Remove from org
|
|
delete(o.config.CommunityDescription.Members, key)
|
|
|
|
// Remove from chats
|
|
for _, chat := range o.config.CommunityDescription.Chats {
|
|
delete(chat.Members, key)
|
|
}
|
|
}
|
|
|
|
func (o *Community) RemoveOurselvesFromOrg(pk *ecdsa.PublicKey) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
o.removeMemberFromOrg(pk)
|
|
o.increaseClock()
|
|
}
|
|
|
|
func (o *Community) RemoveUserFromOrg(pk *ecdsa.PublicKey) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_MEMBER_KICK)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
if !o.IsControlNode() && o.IsPrivilegedMember(pk) {
|
|
return nil, ErrCannotRemoveOwnerOrAdmin
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
o.removeMemberFromOrg(pk)
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToKickCommunityMemberCommunityEvent(common.PubkeyToHex(pk)))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) RemoveAllUsersFromOrg() *CommunityChanges {
|
|
o.increaseClock()
|
|
|
|
myPublicKey := common.PubkeyToHex(o.config.MemberIdentity)
|
|
member := o.config.CommunityDescription.Members[myPublicKey]
|
|
|
|
membersToRemove := o.config.CommunityDescription.Members
|
|
delete(membersToRemove, myPublicKey)
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
changes.MembersRemoved = membersToRemove
|
|
|
|
o.config.CommunityDescription.Members = make(map[string]*protobuf.CommunityMember)
|
|
o.config.CommunityDescription.Members[myPublicKey] = member
|
|
|
|
for chatID, chat := range o.config.CommunityDescription.Chats {
|
|
chatMembersToRemove := chat.Members
|
|
delete(chatMembersToRemove, myPublicKey)
|
|
|
|
chat.Members = make(map[string]*protobuf.CommunityMember)
|
|
chat.Members[myPublicKey] = member
|
|
|
|
changes.ChatsModified[chatID] = &CommunityChatChanges{
|
|
ChatModified: chat,
|
|
MembersRemoved: chatMembersToRemove,
|
|
}
|
|
}
|
|
|
|
return changes
|
|
}
|
|
|
|
func (o *Community) AddCommunityTokensMetadata(token *protobuf.CommunityTokenMetadata) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_TOKEN_ADD)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
o.config.CommunityDescription.CommunityTokensMetadata = append(o.config.CommunityDescription.CommunityTokensMetadata, token)
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToAddTokenMetadataCommunityEvent(token))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) UnbanUserFromCommunity(pk *ecdsa.PublicKey) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_MEMBER_UNBAN)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
o.unbanUserFromCommunity(pk)
|
|
o.increaseClock()
|
|
} else {
|
|
err := o.addNewCommunityEvent(o.ToUnbanCommunityMemberCommunityEvent(common.PubkeyToHex(pk)))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) BanUserFromCommunity(pk *ecdsa.PublicKey, communityBanInfo *protobuf.CommunityBanInfo) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_MEMBER_BAN)) {
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
if !o.IsControlNode() && o.IsPrivilegedMember(pk) {
|
|
return nil, ErrCannotBanOwnerOrAdmin
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
o.banUserFromCommunity(pk, communityBanInfo)
|
|
o.increaseClock()
|
|
} else {
|
|
pkStr := common.PubkeyToHex(pk)
|
|
err := o.addNewCommunityEvent(o.ToBanCommunityMemberCommunityEvent(pkStr))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if communityBanInfo.DeleteAllMessages {
|
|
err := o.addNewCommunityEvent(o.ToDeleteAllMemberMessagesEvent(pkStr))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
}
|
|
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) AddRoleToMember(pk *ecdsa.PublicKey, role protobuf.CommunityMember_Roles) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
updated := false
|
|
addRole := func(member *protobuf.CommunityMember) {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[role] = true
|
|
if !o.memberHasRoles(member, roles) {
|
|
member.Roles = append(member.Roles, role)
|
|
updated = true
|
|
}
|
|
}
|
|
|
|
member := o.getMember(pk)
|
|
if member != nil {
|
|
addRole(member)
|
|
}
|
|
|
|
for channelID := range o.chats() {
|
|
chatMember := o.getChatMember(pk, channelID)
|
|
if chatMember != nil {
|
|
addRole(member)
|
|
}
|
|
}
|
|
|
|
if updated {
|
|
o.increaseClock()
|
|
}
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) RemoveRoleFromMember(pk *ecdsa.PublicKey, role protobuf.CommunityMember_Roles) (*protobuf.CommunityDescription, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
updated := false
|
|
removeRole := func(member *protobuf.CommunityMember) {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[role] = true
|
|
if o.memberHasRoles(member, roles) {
|
|
var newRoles []protobuf.CommunityMember_Roles
|
|
for _, r := range member.Roles {
|
|
if r != role {
|
|
newRoles = append(newRoles, r)
|
|
}
|
|
}
|
|
member.Roles = newRoles
|
|
updated = true
|
|
}
|
|
}
|
|
|
|
member := o.getMember(pk)
|
|
if member != nil {
|
|
removeRole(member)
|
|
}
|
|
|
|
for channelID := range o.chats() {
|
|
chatMember := o.getChatMember(pk, channelID)
|
|
if chatMember != nil {
|
|
removeRole(member)
|
|
}
|
|
}
|
|
|
|
if updated {
|
|
o.increaseClock()
|
|
}
|
|
return o.config.CommunityDescription, nil
|
|
}
|
|
|
|
func (o *Community) Edit(description *protobuf.CommunityDescription) {
|
|
o.config.CommunityDescription.Identity.DisplayName = description.Identity.DisplayName
|
|
o.config.CommunityDescription.Identity.Description = description.Identity.Description
|
|
o.config.CommunityDescription.Identity.Color = description.Identity.Color
|
|
o.config.CommunityDescription.Tags = description.Tags
|
|
o.config.CommunityDescription.Identity.Emoji = description.Identity.Emoji
|
|
o.config.CommunityDescription.Identity.Images = description.Identity.Images
|
|
o.config.CommunityDescription.IntroMessage = description.IntroMessage
|
|
o.config.CommunityDescription.OutroMessage = description.OutroMessage
|
|
if o.config.CommunityDescription.AdminSettings == nil {
|
|
o.config.CommunityDescription.AdminSettings = &protobuf.CommunityAdminSettings{}
|
|
}
|
|
o.config.CommunityDescription.Permissions = description.Permissions
|
|
o.config.CommunityDescription.AdminSettings.PinMessageAllMembersEnabled = description.AdminSettings.PinMessageAllMembersEnabled
|
|
}
|
|
|
|
func (o *Community) Join() {
|
|
o.config.Joined = true
|
|
o.config.JoinedAt = time.Now().Unix()
|
|
o.config.Spectated = false
|
|
}
|
|
|
|
func (o *Community) UpdateLastOpenedAt(timestamp int64) {
|
|
o.config.LastOpenedAt = timestamp
|
|
}
|
|
|
|
func (o *Community) Leave() {
|
|
o.config.Joined = false
|
|
o.config.Spectated = false
|
|
}
|
|
|
|
func (o *Community) Spectate() {
|
|
o.config.Spectated = true
|
|
}
|
|
|
|
func (o *Community) Encrypted() bool {
|
|
return len(o.TokenPermissionsByType(protobuf.CommunityTokenPermission_BECOME_MEMBER)) > 0
|
|
}
|
|
|
|
func (o *Community) Joined() bool {
|
|
return o.config.Joined
|
|
}
|
|
|
|
func (o *Community) JoinedAt() int64 {
|
|
return o.config.JoinedAt
|
|
}
|
|
|
|
func (o *Community) LastOpenedAt() int64 {
|
|
return o.config.LastOpenedAt
|
|
}
|
|
|
|
func (o *Community) Spectated() bool {
|
|
return o.config.Spectated
|
|
}
|
|
|
|
func (o *Community) Verified() bool {
|
|
return o.config.Verified
|
|
}
|
|
|
|
func (o *Community) Muted() bool {
|
|
return o.config.Muted
|
|
}
|
|
|
|
func (o *Community) MuteTill() time.Time {
|
|
return o.config.MuteTill
|
|
}
|
|
|
|
func (o *Community) MemberIdentity() *ecdsa.PublicKey {
|
|
return o.config.MemberIdentity
|
|
}
|
|
|
|
// UpdateCommunityDescription will update the community to the new community description and return a list of changes
|
|
func (o *Community) UpdateCommunityDescription(description *protobuf.CommunityDescription, rawMessage []byte, newControlNode *ecdsa.PublicKey) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
// This is done in case tags are updated and a client sends unknown tags
|
|
description.Tags = requests.RemoveUnknownAndDeduplicateTags(description.Tags)
|
|
|
|
err := ValidateCommunityDescription(description)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
response := o.emptyCommunityChanges()
|
|
|
|
// Enables processing of identical clocks. Identical descriptions may be reprocessed upon subsequent receipt of the previously missing encryption key.
|
|
if description.Clock < o.config.CommunityDescription.Clock {
|
|
return response, nil
|
|
}
|
|
|
|
originCommunity := o.CreateDeepCopy()
|
|
|
|
o.config.CommunityDescription = description
|
|
o.config.CommunityDescriptionProtocolMessage = rawMessage
|
|
|
|
if newControlNode != nil {
|
|
o.setControlNode(newControlNode)
|
|
}
|
|
|
|
// We only calculate changes if we joined/spectated the community or we requested access, otherwise not interested
|
|
if o.config.Joined || o.config.Spectated || o.config.RequestedToJoinAt > 0 {
|
|
response = EvaluateCommunityChanges(originCommunity, o)
|
|
}
|
|
|
|
return response, nil
|
|
}
|
|
|
|
func (o *Community) UpdateChatFirstMessageTimestamp(chatID string, timestamp uint32) (*CommunityChanges, error) {
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
return nil, ErrChatNotFound
|
|
}
|
|
|
|
chat.Identity.FirstMessageTimestamp = timestamp
|
|
|
|
communityChanges := o.emptyCommunityChanges()
|
|
communityChanges.ChatsModified[chatID] = &CommunityChatChanges{
|
|
FirstMessageTimestampModified: timestamp,
|
|
}
|
|
return communityChanges, nil
|
|
}
|
|
|
|
// ValidateRequestToJoin validates a request, checks that the right permissions are applied
|
|
func (o *Community) ValidateRequestToJoin(signer *ecdsa.PublicKey, request *protobuf.CommunityRequestToJoin) error {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if o.IsControlNode() {
|
|
// TODO: Enable this once mobile supports revealed addresses.
|
|
// if len(request.RevealedAccounts) == 0 {
|
|
// return errors.New("no addresses revealed")
|
|
// }
|
|
} else if o.HasPermissionToSendCommunityEvents() {
|
|
if o.AutoAccept() {
|
|
return errors.New("auto-accept community requests can only be processed by the control node")
|
|
}
|
|
} else {
|
|
return ErrNotAdmin
|
|
}
|
|
|
|
if o.config.CommunityDescription.Permissions.EnsOnly && len(request.EnsName) == 0 {
|
|
return ErrCantRequestAccess
|
|
}
|
|
|
|
if len(request.ChatId) != 0 {
|
|
return o.validateRequestToJoinWithChatID(request)
|
|
}
|
|
|
|
err := o.validateRequestToJoinWithoutChatID(request)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if o.isBanned(signer) {
|
|
return ErrCantRequestAccess
|
|
}
|
|
|
|
timeNow := uint64(time.Now().Unix())
|
|
requestTimeOutClock, err := AddTimeoutToRequestToJoinClock(request.Clock)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if timeNow >= requestTimeOutClock {
|
|
return errors.New("request is expired")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// ValidateRequestToJoin validates a request, checks that the right permissions are applied
|
|
func (o *Community) ValidateEditSharedAddresses(signer *ecdsa.PublicKey, request *protobuf.CommunityEditSharedAddresses) error {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
// If we are not owner, fuggetaboutit
|
|
if !o.IsControlNode() {
|
|
return ErrNotOwner
|
|
}
|
|
|
|
if len(request.RevealedAccounts) == 0 {
|
|
return errors.New("no addresses were shared")
|
|
}
|
|
|
|
member, exists := o.config.CommunityDescription.Members[common.PubkeyToHex(signer)]
|
|
if !exists {
|
|
return errors.New("signer is not a community member")
|
|
}
|
|
|
|
if request.Clock < member.LastUpdateClock {
|
|
return errors.New("edit request is older than the last one we have. Ignore")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// We treat control node as an owner with community key
|
|
func (o *Community) IsControlNode() bool {
|
|
return o.config.PrivateKey != nil && o.config.PrivateKey.PublicKey.Equal(o.ControlNode()) && o.config.ControlDevice
|
|
}
|
|
|
|
func (o *Community) IsOwner() bool {
|
|
return o.IsMemberOwner(o.config.MemberIdentity)
|
|
}
|
|
|
|
func (o *Community) IsTokenMaster() bool {
|
|
return o.IsMemberTokenMaster(o.config.MemberIdentity)
|
|
}
|
|
|
|
func (o *Community) IsAdmin() bool {
|
|
return o.IsMemberAdmin(o.config.MemberIdentity)
|
|
}
|
|
|
|
func (o *Community) GetPrivilegedMembers() []*ecdsa.PublicKey {
|
|
privilegedMembers := make([]*ecdsa.PublicKey, 0)
|
|
members := o.GetMemberPubkeys()
|
|
for _, member := range members {
|
|
if o.IsPrivilegedMember(member) {
|
|
privilegedMembers = append(privilegedMembers, member)
|
|
}
|
|
}
|
|
return privilegedMembers
|
|
}
|
|
|
|
func (o *Community) GetFilteredPrivilegedMembers(skipMembers map[string]struct{}) map[protobuf.CommunityMember_Roles][]*ecdsa.PublicKey {
|
|
privilegedMembers := make(map[protobuf.CommunityMember_Roles][]*ecdsa.PublicKey)
|
|
privilegedMembers[protobuf.CommunityMember_ROLE_TOKEN_MASTER] = []*ecdsa.PublicKey{}
|
|
privilegedMembers[protobuf.CommunityMember_ROLE_ADMIN] = []*ecdsa.PublicKey{}
|
|
privilegedMembers[protobuf.CommunityMember_ROLE_OWNER] = []*ecdsa.PublicKey{}
|
|
|
|
members := o.GetMemberPubkeys()
|
|
for _, member := range members {
|
|
if len(skipMembers) > 0 {
|
|
if _, exist := skipMembers[common.PubkeyToHex(member)]; exist {
|
|
delete(skipMembers, common.PubkeyToHex(member))
|
|
continue
|
|
}
|
|
}
|
|
|
|
memberRole := o.MemberRole(member)
|
|
if memberRole == protobuf.CommunityMember_ROLE_OWNER || memberRole == protobuf.CommunityMember_ROLE_ADMIN ||
|
|
memberRole == protobuf.CommunityMember_ROLE_TOKEN_MASTER {
|
|
|
|
privilegedMembers[memberRole] = append(privilegedMembers[memberRole], member)
|
|
}
|
|
}
|
|
return privilegedMembers
|
|
}
|
|
|
|
func (o *Community) HasPermissionToSendCommunityEvents() bool {
|
|
return !o.IsControlNode() && o.hasRoles(o.config.MemberIdentity, manageCommunityRoles())
|
|
}
|
|
|
|
func (o *Community) hasPermissionToSendCommunityEvent(event protobuf.CommunityEvent_EventType) bool {
|
|
return !o.IsControlNode() && canRolesPerformEvent(o.rolesOf(o.config.MemberIdentity), event)
|
|
}
|
|
|
|
func (o *Community) hasPermissionToSendTokenPermissionCommunityEvent(event protobuf.CommunityEvent_EventType, permissionType protobuf.CommunityTokenPermission_Type) bool {
|
|
roles := o.rolesOf(o.config.MemberIdentity)
|
|
return !o.IsControlNode() && canRolesPerformEvent(roles, event) && canRolesModifyPermission(roles, permissionType)
|
|
}
|
|
|
|
func (o *Community) IsMemberOwner(publicKey *ecdsa.PublicKey) bool {
|
|
return o.hasRoles(publicKey, ownerRole())
|
|
}
|
|
|
|
func (o *Community) IsMemberTokenMaster(publicKey *ecdsa.PublicKey) bool {
|
|
return o.hasRoles(publicKey, tokenMasterRole())
|
|
}
|
|
|
|
func (o *Community) IsMemberAdmin(publicKey *ecdsa.PublicKey) bool {
|
|
return o.hasRoles(publicKey, adminRole())
|
|
}
|
|
|
|
func (o *Community) IsPrivilegedMember(publicKey *ecdsa.PublicKey) bool {
|
|
return o.hasRoles(publicKey, manageCommunityRoles())
|
|
}
|
|
|
|
func manageCommunityRoles() map[protobuf.CommunityMember_Roles]bool {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[protobuf.CommunityMember_ROLE_OWNER] = true
|
|
roles[protobuf.CommunityMember_ROLE_ADMIN] = true
|
|
roles[protobuf.CommunityMember_ROLE_TOKEN_MASTER] = true
|
|
return roles
|
|
}
|
|
|
|
func ownerRole() map[protobuf.CommunityMember_Roles]bool {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[protobuf.CommunityMember_ROLE_OWNER] = true
|
|
return roles
|
|
}
|
|
|
|
func adminRole() map[protobuf.CommunityMember_Roles]bool {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[protobuf.CommunityMember_ROLE_ADMIN] = true
|
|
return roles
|
|
}
|
|
|
|
func tokenMasterRole() map[protobuf.CommunityMember_Roles]bool {
|
|
roles := make(map[protobuf.CommunityMember_Roles]bool)
|
|
roles[protobuf.CommunityMember_ROLE_TOKEN_MASTER] = true
|
|
return roles
|
|
}
|
|
|
|
func (o *Community) MemberRole(pubKey *ecdsa.PublicKey) protobuf.CommunityMember_Roles {
|
|
if o.IsMemberOwner(pubKey) {
|
|
return protobuf.CommunityMember_ROLE_OWNER
|
|
} else if o.IsMemberTokenMaster(pubKey) {
|
|
return protobuf.CommunityMember_ROLE_TOKEN_MASTER
|
|
} else if o.IsMemberAdmin(pubKey) {
|
|
return protobuf.CommunityMember_ROLE_ADMIN
|
|
}
|
|
|
|
return protobuf.CommunityMember_ROLE_NONE
|
|
}
|
|
|
|
func (o *Community) validateRequestToJoinWithChatID(request *protobuf.CommunityRequestToJoin) error {
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[request.ChatId]
|
|
|
|
if !ok {
|
|
return ErrChatNotFound
|
|
}
|
|
|
|
// If chat is no permissions, access should not have been requested
|
|
if chat.Permissions.Access != protobuf.CommunityPermissions_MANUAL_ACCEPT {
|
|
return ErrCantRequestAccess
|
|
}
|
|
|
|
if chat.Permissions.EnsOnly && len(request.EnsName) == 0 {
|
|
return ErrCantRequestAccess
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) ManualAccept() bool {
|
|
return o.config.CommunityDescription.Permissions.Access == protobuf.CommunityPermissions_MANUAL_ACCEPT
|
|
}
|
|
|
|
func (o *Community) AutoAccept() bool {
|
|
// We no longer have the notion of "no membership", but for historical reasons
|
|
// we use `NO_MEMBERSHIP` to determine wether requests to join should be automatically
|
|
// accepted or not.
|
|
return o.config.CommunityDescription.Permissions.Access == protobuf.CommunityPermissions_AUTO_ACCEPT
|
|
}
|
|
|
|
func (o *Community) validateRequestToJoinWithoutChatID(request *protobuf.CommunityRequestToJoin) error {
|
|
// Previously, requests to join a community where only necessary when the community
|
|
// permissions were indeed set to `ON_REQUEST`.
|
|
// Now, users always have to request access but can get accepted automatically
|
|
// (if permissions are set to NO_MEMBERSHIP).
|
|
//
|
|
// Hence, not only do we check whether the community permissions are ON_REQUEST but
|
|
// also NO_MEMBERSHIP.
|
|
if o.config.CommunityDescription.Permissions.Access != protobuf.CommunityPermissions_MANUAL_ACCEPT && o.config.CommunityDescription.Permissions.Access != protobuf.CommunityPermissions_AUTO_ACCEPT {
|
|
return ErrCantRequestAccess
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) ID() types.HexBytes {
|
|
return crypto.CompressPubkey(o.config.ID)
|
|
}
|
|
|
|
func (o *Community) IDString() string {
|
|
return types.EncodeHex(o.ID())
|
|
}
|
|
|
|
func (o *Community) UncompressedIDString() string {
|
|
return types.EncodeHex(crypto.FromECDSAPub(o.config.ID))
|
|
}
|
|
|
|
func (o *Community) SerializedID() (string, error) {
|
|
return multiformat.SerializeLegacyKey(o.UncompressedIDString())
|
|
}
|
|
|
|
func (o *Community) StatusUpdatesChannelID() string {
|
|
return o.IDString() + "-ping"
|
|
}
|
|
|
|
func (o *Community) MagnetlinkMessageChannelID() string {
|
|
return o.IDString() + "-magnetlinks"
|
|
}
|
|
|
|
func (o *Community) MemberUpdateChannelID() string {
|
|
return o.IDString() + "-memberUpdate"
|
|
}
|
|
|
|
func (o *Community) PubsubTopic() string {
|
|
return o.Shard().PubsubTopic()
|
|
}
|
|
|
|
func (o *Community) PubsubTopicPrivateKey() *ecdsa.PrivateKey {
|
|
return o.config.PubsubTopicPrivateKey
|
|
}
|
|
|
|
func (o *Community) SetPubsubTopicPrivateKey(privKey *ecdsa.PrivateKey) {
|
|
o.config.PubsubTopicPrivateKey = privKey
|
|
}
|
|
|
|
func (o *Community) PubsubTopicKey() string {
|
|
if o.config.PubsubTopicPrivateKey == nil {
|
|
return ""
|
|
}
|
|
return hexutil.Encode(crypto.FromECDSAPub(&o.config.PubsubTopicPrivateKey.PublicKey))
|
|
}
|
|
|
|
func (o *Community) PrivateKey() *ecdsa.PrivateKey {
|
|
return o.config.PrivateKey
|
|
}
|
|
|
|
func (o *Community) setPrivateKey(pk *ecdsa.PrivateKey) {
|
|
if pk != nil {
|
|
o.config.PrivateKey = pk
|
|
}
|
|
}
|
|
|
|
func (o *Community) ControlNode() *ecdsa.PublicKey {
|
|
if o.config.ControlNode == nil {
|
|
return o.config.ID
|
|
}
|
|
return o.config.ControlNode
|
|
}
|
|
|
|
func (o *Community) setControlNode(pubKey *ecdsa.PublicKey) {
|
|
if pubKey != nil {
|
|
o.config.ControlNode = pubKey
|
|
}
|
|
}
|
|
|
|
func (o *Community) PublicKey() *ecdsa.PublicKey {
|
|
return o.config.ID
|
|
}
|
|
|
|
func (o *Community) Description() *protobuf.CommunityDescription {
|
|
return o.config.CommunityDescription
|
|
}
|
|
|
|
func (o *Community) EncryptedDescription() (*protobuf.CommunityDescription, error) {
|
|
clone := proto.Clone(o.config.CommunityDescription).(*protobuf.CommunityDescription)
|
|
if o.encryptor != nil {
|
|
err := encryptDescription(o.encryptor, o, clone)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return clone, nil
|
|
}
|
|
|
|
func (o *Community) DescriptionProtocolMessage() []byte {
|
|
return o.config.CommunityDescriptionProtocolMessage
|
|
}
|
|
|
|
func (o *Community) marshaledDescription() ([]byte, error) {
|
|
clone := proto.Clone(o.config.CommunityDescription).(*protobuf.CommunityDescription)
|
|
|
|
// This is only workaround to lower the size of the message that goes over the wire,
|
|
// see https://github.com/status-im/status-desktop/issues/12188
|
|
dehydrateChannelsMembers(o.IDString(), clone)
|
|
|
|
if o.encryptor != nil {
|
|
err := encryptDescription(o.encryptor, o, clone)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return proto.Marshal(clone)
|
|
}
|
|
|
|
func (o *Community) MarshaledDescription() ([]byte, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.marshaledDescription()
|
|
}
|
|
|
|
func (o *Community) toProtocolMessageBytes() ([]byte, error) {
|
|
// If we are not a control node, use the received serialized version
|
|
if !o.IsControlNode() {
|
|
// This should not happen, as we can only serialize on our side if we
|
|
// created the community
|
|
if len(o.config.CommunityDescriptionProtocolMessage) == 0 {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
return o.config.CommunityDescriptionProtocolMessage, nil
|
|
}
|
|
|
|
// serialize
|
|
payload, err := o.marshaledDescription()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// sign
|
|
return protocol.WrapMessageV1(payload, protobuf.ApplicationMetadataMessage_COMMUNITY_DESCRIPTION, o.config.PrivateKey)
|
|
}
|
|
|
|
// ToProtocolMessageBytes returns the community in a wrapped & signed protocol message
|
|
func (o *Community) ToProtocolMessageBytes() ([]byte, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.toProtocolMessageBytes()
|
|
}
|
|
|
|
func channelHasTokenPermissions(communityID string, channelID string, permissions map[string]*protobuf.CommunityTokenPermission) bool {
|
|
for _, tokenPermission := range permissions {
|
|
if includes(tokenPermission.ChatIds, communityID+channelID) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func dehydrateChannelsMembers(communityID string, description *protobuf.CommunityDescription) {
|
|
// To save space, we don't attach members for channels without permissions,
|
|
// otherwise the message will hit waku msg size limit.
|
|
for channelID, channel := range description.Chats {
|
|
if !channelHasTokenPermissions(communityID, channelID, description.TokenPermissions) {
|
|
channel.Members = map[string]*protobuf.CommunityMember{} // clean members
|
|
}
|
|
}
|
|
}
|
|
|
|
func hydrateChannelsMembers(communityID string, description *protobuf.CommunityDescription) {
|
|
for channelID, channel := range description.Chats {
|
|
if !channelHasTokenPermissions(communityID, channelID, description.TokenPermissions) {
|
|
channel.Members = make(map[string]*protobuf.CommunityMember)
|
|
for pubKey, member := range description.Members {
|
|
channel.Members[pubKey] = member
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func upgradeTokenPermissions(description *protobuf.CommunityDescription) {
|
|
|
|
floatToWeiIntFunc := func(floatStr string, decimals uint64) string {
|
|
bigfloat := new(big.Float)
|
|
bigfloat.SetString(floatStr)
|
|
|
|
multiplier := big.NewFloat(math.Pow(10, float64(decimals)))
|
|
bigfloat.Mul(bigfloat, multiplier)
|
|
|
|
result := new(big.Int)
|
|
bigfloat.Int(result)
|
|
return result.String()
|
|
}
|
|
|
|
for _, permission := range description.TokenPermissions {
|
|
for _, criteria := range permission.TokenCriteria {
|
|
if criteria.AmountInWei != "" {
|
|
continue
|
|
}
|
|
// set AmountInWei if missing
|
|
// Amount format (deprecated): "0.123"
|
|
// AmountInWei format: "123000..000"
|
|
if criteria.Type == protobuf.CommunityTokenType_ERC20 {
|
|
criteria.AmountInWei = floatToWeiIntFunc(criteria.Amount, criteria.Decimals)
|
|
} else {
|
|
criteria.AmountInWei = criteria.Amount
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (o *Community) Chats() map[string]*protobuf.CommunityChat {
|
|
// Why are we checking here for nil, it should be the responsibility of the caller
|
|
if o == nil {
|
|
return make(map[string]*protobuf.CommunityChat)
|
|
}
|
|
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
return o.chats()
|
|
}
|
|
|
|
func (o *Community) chats() map[string]*protobuf.CommunityChat {
|
|
response := make(map[string]*protobuf.CommunityChat)
|
|
|
|
if o.config != nil && o.config.CommunityDescription != nil {
|
|
for k, v := range o.config.CommunityDescription.Chats {
|
|
response[k] = v
|
|
}
|
|
}
|
|
|
|
return response
|
|
}
|
|
|
|
func (o *Community) Images() map[string]*protobuf.IdentityImage {
|
|
response := make(map[string]*protobuf.IdentityImage)
|
|
|
|
// Why are we checking here for nil, it should be the responsibility of the caller
|
|
if o == nil {
|
|
return response
|
|
}
|
|
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if o.config != nil && o.config.CommunityDescription != nil && o.config.CommunityDescription.Identity != nil {
|
|
for k, v := range o.config.CommunityDescription.Identity.Images {
|
|
response[k] = v
|
|
}
|
|
}
|
|
|
|
return response
|
|
}
|
|
|
|
func (o *Community) Categories() map[string]*protobuf.CommunityCategory {
|
|
response := make(map[string]*protobuf.CommunityCategory)
|
|
|
|
if o == nil {
|
|
return response
|
|
}
|
|
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if o.config != nil && o.config.CommunityDescription != nil {
|
|
for k, v := range o.config.CommunityDescription.Categories {
|
|
response[k] = v
|
|
}
|
|
}
|
|
|
|
return response
|
|
}
|
|
|
|
func (o *Community) tokenPermissions() map[string]*CommunityTokenPermission {
|
|
result := make(map[string]*CommunityTokenPermission, len(o.config.CommunityDescription.TokenPermissions))
|
|
for _, tokenPermission := range o.config.CommunityDescription.TokenPermissions {
|
|
result[tokenPermission.Id] = NewCommunityTokenPermission(tokenPermission)
|
|
}
|
|
|
|
// Non-privileged members should not see pending permissions
|
|
if o.config.EventsData == nil || !o.IsPrivilegedMember(o.MemberIdentity()) {
|
|
return result
|
|
}
|
|
|
|
processedPermissions := make(map[string]*struct{})
|
|
for _, event := range o.config.EventsData.Events {
|
|
if event.TokenPermission == nil || processedPermissions[event.TokenPermission.Id] != nil {
|
|
continue
|
|
}
|
|
processedPermissions[event.TokenPermission.Id] = &struct{}{} // first permission event wins
|
|
|
|
switch event.Type {
|
|
case protobuf.CommunityEvent_COMMUNITY_MEMBER_TOKEN_PERMISSION_CHANGE:
|
|
eventsTokenPermission := NewCommunityTokenPermission(event.TokenPermission)
|
|
if result[event.TokenPermission.Id] != nil {
|
|
eventsTokenPermission.State = TokenPermissionUpdatePending
|
|
} else {
|
|
eventsTokenPermission.State = TokenPermissionAdditionPending
|
|
}
|
|
result[eventsTokenPermission.Id] = eventsTokenPermission
|
|
|
|
case protobuf.CommunityEvent_COMMUNITY_MEMBER_TOKEN_PERMISSION_DELETE:
|
|
tokenPermission := result[event.TokenPermission.Id]
|
|
if tokenPermission != nil {
|
|
tokenPermission.State = TokenPermissionRemovalPending
|
|
}
|
|
default:
|
|
}
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func (o *Community) PendingAndBannedMembers() map[string]CommunityMemberState {
|
|
result := make(map[string]CommunityMemberState)
|
|
|
|
if o.config.CommunityDescription.BannedMembers != nil {
|
|
for bannedMemberID, banInfo := range o.config.CommunityDescription.BannedMembers {
|
|
state := CommunityMemberBanned
|
|
if banInfo.DeleteAllMessages {
|
|
state = CommunityMemberBanWithAllMessagesDelete
|
|
}
|
|
result[bannedMemberID] = state
|
|
}
|
|
}
|
|
|
|
for _, bannedMemberID := range o.config.CommunityDescription.BanList {
|
|
if _, exists := result[bannedMemberID]; !exists {
|
|
result[bannedMemberID] = CommunityMemberBanned
|
|
}
|
|
}
|
|
|
|
if o.config.EventsData == nil {
|
|
return result
|
|
}
|
|
|
|
processedEvents := make(map[string]bool)
|
|
for _, event := range o.config.EventsData.Events {
|
|
if processedEvents[event.MemberToAction] {
|
|
continue
|
|
}
|
|
|
|
switch event.Type {
|
|
case protobuf.CommunityEvent_COMMUNITY_MEMBER_KICK:
|
|
result[event.MemberToAction] = CommunityMemberKickPending
|
|
case protobuf.CommunityEvent_COMMUNITY_MEMBER_BAN:
|
|
result[event.MemberToAction] = CommunityMemberBanPending
|
|
case protobuf.CommunityEvent_COMMUNITY_MEMBER_UNBAN:
|
|
result[event.MemberToAction] = CommunityMemberUnbanPending
|
|
default:
|
|
continue
|
|
}
|
|
processedEvents[event.MemberToAction] = true
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func (o *Community) TokenPermissions() map[string]*CommunityTokenPermission {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.tokenPermissions()
|
|
}
|
|
|
|
func (o *Community) HasTokenPermissions() bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return len(o.tokenPermissions()) > 0
|
|
}
|
|
|
|
func (o *Community) channelEncrypted(channelID string) bool {
|
|
return o.channelHasTokenPermissions(o.ChatID(channelID))
|
|
}
|
|
|
|
func (o *Community) ChannelEncrypted(channelID string) bool {
|
|
return o.ChannelHasTokenPermissions(o.ChatID(channelID))
|
|
}
|
|
|
|
func (o *Community) channelHasTokenPermissions(chatID string) bool {
|
|
for _, tokenPermission := range o.tokenPermissions() {
|
|
if includes(tokenPermission.ChatIds, chatID) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (o *Community) ChannelHasTokenPermissions(chatID string) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.channelHasTokenPermissions(chatID)
|
|
}
|
|
|
|
func TokenPermissionsByType(permissions map[string]*CommunityTokenPermission, permissionType protobuf.CommunityTokenPermission_Type) []*CommunityTokenPermission {
|
|
result := make([]*CommunityTokenPermission, 0)
|
|
for _, tokenPermission := range permissions {
|
|
if tokenPermission.Type == permissionType {
|
|
result = append(result, tokenPermission)
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (o *Community) tokenPermissionByID(ID string) *CommunityTokenPermission {
|
|
return o.tokenPermissions()[ID]
|
|
}
|
|
|
|
func (o *Community) TokenPermissionByID(ID string) *CommunityTokenPermission {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
return o.tokenPermissionByID(ID)
|
|
}
|
|
|
|
func (o *Community) TokenPermissionsByType(permissionType protobuf.CommunityTokenPermission_Type) []*CommunityTokenPermission {
|
|
return TokenPermissionsByType(o.tokenPermissions(), permissionType)
|
|
}
|
|
|
|
func (o *Community) ChannelTokenPermissionsByType(channelID string, permissionType protobuf.CommunityTokenPermission_Type) []*CommunityTokenPermission {
|
|
permissions := make([]*CommunityTokenPermission, 0)
|
|
for _, tokenPermission := range o.tokenPermissions() {
|
|
if tokenPermission.Type == permissionType && includes(tokenPermission.ChatIds, channelID) {
|
|
permissions = append(permissions, tokenPermission)
|
|
}
|
|
}
|
|
return permissions
|
|
}
|
|
|
|
func includes(channelIDs []string, channelID string) bool {
|
|
for _, id := range channelIDs {
|
|
if id == channelID {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (o *Community) UpsertTokenPermission(tokenPermission *protobuf.CommunityTokenPermission) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if o.IsControlNode() {
|
|
changes, err := o.upsertTokenPermission(tokenPermission)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
o.increaseClock()
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
if o.hasPermissionToSendTokenPermissionCommunityEvent(protobuf.CommunityEvent_COMMUNITY_MEMBER_TOKEN_PERMISSION_CHANGE, tokenPermission.Type) {
|
|
existed := o.tokenPermissionByID(tokenPermission.Id) != nil
|
|
|
|
err := o.addNewCommunityEvent(o.ToCommunityTokenPermissionChangeCommunityEvent(tokenPermission))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
permission := NewCommunityTokenPermission(tokenPermission)
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
if existed {
|
|
permission.State = TokenPermissionUpdatePending
|
|
changes.TokenPermissionsModified[tokenPermission.Id] = permission
|
|
} else {
|
|
permission.State = TokenPermissionAdditionPending
|
|
changes.TokenPermissionsAdded[tokenPermission.Id] = permission
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
func (o *Community) DeleteTokenPermission(permissionID string) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
tokenPermission, exists := o.config.CommunityDescription.TokenPermissions[permissionID]
|
|
if !exists {
|
|
return nil, ErrTokenPermissionNotFound
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
changes, err := o.deleteTokenPermission(permissionID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
o.increaseClock()
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
if o.hasPermissionToSendTokenPermissionCommunityEvent(protobuf.CommunityEvent_COMMUNITY_MEMBER_TOKEN_PERMISSION_DELETE, tokenPermission.Type) {
|
|
err := o.addNewCommunityEvent(o.ToCommunityTokenPermissionDeleteCommunityEvent(tokenPermission))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
permission := NewCommunityTokenPermission(tokenPermission)
|
|
permission.State = TokenPermissionRemovalPending
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
changes.TokenPermissionsModified[permission.Id] = permission
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
return nil, ErrNotAuthorized
|
|
}
|
|
|
|
func (o *Community) VerifyGrantSignature(data []byte) (*protobuf.Grant, error) {
|
|
if len(data) <= signatureLength {
|
|
return nil, ErrInvalidGrant
|
|
}
|
|
signature := data[:signatureLength]
|
|
payload := data[signatureLength:]
|
|
grant := &protobuf.Grant{}
|
|
err := proto.Unmarshal(payload, grant)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if grant.Clock == 0 {
|
|
return nil, ErrInvalidGrant
|
|
}
|
|
if grant.MemberId == nil {
|
|
return nil, ErrInvalidGrant
|
|
}
|
|
if !bytes.Equal(grant.CommunityId, o.ID()) {
|
|
return nil, ErrInvalidGrant
|
|
}
|
|
|
|
extractedPublicKey, err := crypto.SigToPub(crypto.Keccak256(payload), signature)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !common.IsPubKeyEqual(o.ControlNode(), extractedPublicKey) {
|
|
return nil, ErrInvalidGrant
|
|
}
|
|
|
|
return grant, nil
|
|
}
|
|
|
|
func (o *Community) CanView(pk *ecdsa.PublicKey, chatID string) bool {
|
|
if o.config.CommunityDescription.Chats == nil {
|
|
o.config.Logger.Debug("Community.CanView: no-chats")
|
|
return false
|
|
}
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
o.config.Logger.Debug("Community.CanView: no chat with id", zap.String("chat-id", chatID))
|
|
return false
|
|
}
|
|
|
|
// community creator can always post, return immediately
|
|
if common.IsPubKeyEqual(pk, o.ControlNode()) {
|
|
return true
|
|
}
|
|
|
|
if o.isBanned(pk) {
|
|
o.config.Logger.Debug("Community.CanView: user is banned", zap.String("chat-id", chatID))
|
|
return false
|
|
}
|
|
|
|
if o.config.CommunityDescription.Members == nil {
|
|
o.config.Logger.Debug("Community.CanView: no members in org", zap.String("chat-id", chatID))
|
|
return false
|
|
}
|
|
|
|
// If community member, also check chat membership next
|
|
_, ok = o.config.CommunityDescription.Members[common.PubkeyToHex(pk)]
|
|
if !ok {
|
|
o.config.Logger.Debug("Community.CanView: not a community member", zap.String("chat-id", chatID))
|
|
return false
|
|
}
|
|
|
|
if chat.Members == nil {
|
|
o.config.Logger.Debug("Community.CanView: no members in chat", zap.String("chat-id", chatID))
|
|
return false
|
|
}
|
|
|
|
_, isChatMember := chat.Members[common.PubkeyToHex(pk)]
|
|
return isChatMember
|
|
}
|
|
|
|
func (o *Community) CanPost(pk *ecdsa.PublicKey, chatID string, messageType protobuf.ApplicationMetadataMessage_Type) (bool, error) {
|
|
hasAccessToChat := o.CanView(pk, chatID)
|
|
if !hasAccessToChat {
|
|
return false, nil
|
|
}
|
|
|
|
chat := o.config.CommunityDescription.Chats[chatID]
|
|
member := chat.Members[common.PubkeyToHex(pk)]
|
|
|
|
switch messageType {
|
|
case protobuf.ApplicationMetadataMessage_PIN_MESSAGE:
|
|
pinAllowed := o.IsPrivilegedMember(pk) || o.AllowsAllMembersToPinMessage()
|
|
return pinAllowed, nil
|
|
|
|
case protobuf.ApplicationMetadataMessage_EMOJI_REACTION:
|
|
isPoster := member.GetChannelRole() == protobuf.CommunityMember_CHANNEL_ROLE_POSTER
|
|
isViewer := member.GetChannelRole() == protobuf.CommunityMember_CHANNEL_ROLE_VIEWER
|
|
return isPoster || (isViewer && chat.ViewersCanPostReactions), nil
|
|
|
|
default:
|
|
return member.GetChannelRole() == protobuf.CommunityMember_CHANNEL_ROLE_POSTER, nil
|
|
}
|
|
}
|
|
|
|
func (o *Community) BuildGrant(key *ecdsa.PublicKey, chatID string) ([]byte, error) {
|
|
return o.buildGrant(key, chatID)
|
|
}
|
|
|
|
func (o *Community) buildGrant(key *ecdsa.PublicKey, chatID string) ([]byte, error) {
|
|
bytes := make([]byte, 0)
|
|
if o.IsControlNode() {
|
|
grant := &protobuf.Grant{
|
|
CommunityId: o.ID(),
|
|
MemberId: crypto.CompressPubkey(key),
|
|
ChatId: chatID,
|
|
Clock: o.config.CommunityDescription.Clock,
|
|
}
|
|
marshaledGrant, err := proto.Marshal(grant)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
signatureMaterial := crypto.Keccak256(marshaledGrant)
|
|
|
|
signature, err := crypto.Sign(signatureMaterial, o.config.PrivateKey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
bytes = append(signature, marshaledGrant...)
|
|
}
|
|
return bytes, nil
|
|
}
|
|
|
|
func (o *Community) increaseClock() {
|
|
o.config.CommunityDescription.Clock = o.nextClock()
|
|
}
|
|
|
|
func (o *Community) Clock() uint64 {
|
|
return o.config.CommunityDescription.Clock
|
|
}
|
|
|
|
func (o *Community) CanRequestAccess(pk *ecdsa.PublicKey) bool {
|
|
if o.hasMember(pk) {
|
|
return false
|
|
}
|
|
|
|
if o.config.CommunityDescription == nil {
|
|
return false
|
|
}
|
|
|
|
if o.config.CommunityDescription.Permissions == nil {
|
|
return false
|
|
}
|
|
|
|
return o.config.CommunityDescription.Permissions.Access == protobuf.CommunityPermissions_MANUAL_ACCEPT
|
|
}
|
|
|
|
func (o *Community) CanManageUsers(pk *ecdsa.PublicKey) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
return o.IsPrivilegedMember(pk)
|
|
}
|
|
|
|
func (o *Community) CanDeleteMessageForEveryone(pk *ecdsa.PublicKey) bool {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
return o.IsPrivilegedMember(pk)
|
|
}
|
|
|
|
func (o *Community) isMember() bool {
|
|
return o.hasMember(o.config.MemberIdentity)
|
|
}
|
|
|
|
func (o *Community) CanMemberIdentityPost(chatID string, messageType protobuf.ApplicationMetadataMessage_Type) (bool, error) {
|
|
return o.CanPost(o.config.MemberIdentity, chatID, messageType)
|
|
}
|
|
|
|
// CanJoin returns whether a user can join the community, only if it's
|
|
func (o *Community) canJoin() bool {
|
|
if o.config.Joined {
|
|
return false
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
return true
|
|
}
|
|
|
|
if o.config.CommunityDescription.Permissions.Access == protobuf.CommunityPermissions_AUTO_ACCEPT {
|
|
return true
|
|
}
|
|
|
|
return o.isMember()
|
|
}
|
|
|
|
func (o *Community) RequestedToJoinAt() uint64 {
|
|
return o.config.RequestedToJoinAt
|
|
}
|
|
|
|
func (o *Community) nextClock() uint64 {
|
|
// lamport timestamp
|
|
clock := o.config.CommunityDescription.Clock
|
|
timestamp := o.timesource.GetCurrentTime()
|
|
if clock == 0 || clock < timestamp {
|
|
clock = timestamp
|
|
} else {
|
|
clock = clock + 1
|
|
}
|
|
|
|
return clock
|
|
}
|
|
|
|
func (o *Community) CanManageUsersPublicKeys() ([]*ecdsa.PublicKey, error) {
|
|
var response []*ecdsa.PublicKey
|
|
roles := manageCommunityRoles()
|
|
for pkString, member := range o.config.CommunityDescription.Members {
|
|
if o.memberHasRoles(member, roles) {
|
|
pk, err := common.HexToPubkey(pkString)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
response = append(response, pk)
|
|
}
|
|
|
|
}
|
|
return response, nil
|
|
}
|
|
|
|
func (o *Community) AddRequestToJoin(request *RequestToJoin) {
|
|
o.config.RequestsToJoin = append(o.config.RequestsToJoin, request)
|
|
}
|
|
|
|
func (o *Community) RequestsToJoin() []*RequestToJoin {
|
|
return o.config.RequestsToJoin
|
|
}
|
|
|
|
func (o *Community) AddMember(publicKey *ecdsa.PublicKey, roles []protobuf.CommunityMember_Roles) (*CommunityChanges, error) {
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
memberKey := common.PubkeyToHex(publicKey)
|
|
changes := o.emptyCommunityChanges()
|
|
|
|
if o.config.CommunityDescription.Members == nil {
|
|
o.config.CommunityDescription.Members = make(map[string]*protobuf.CommunityMember)
|
|
}
|
|
|
|
if _, ok := o.config.CommunityDescription.Members[memberKey]; !ok {
|
|
o.config.CommunityDescription.Members[memberKey] = &protobuf.CommunityMember{Roles: roles}
|
|
changes.MembersAdded[memberKey] = o.config.CommunityDescription.Members[memberKey]
|
|
}
|
|
|
|
o.increaseClock()
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) AddMemberToChat(chatID string, publicKey *ecdsa.PublicKey,
|
|
roles []protobuf.CommunityMember_Roles, channelRole protobuf.CommunityMember_ChannelRole) (*CommunityChanges, error) {
|
|
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
memberKey := common.PubkeyToHex(publicKey)
|
|
changes := o.emptyCommunityChanges()
|
|
|
|
chat, ok := o.config.CommunityDescription.Chats[chatID]
|
|
if !ok {
|
|
return nil, ErrChatNotFound
|
|
}
|
|
|
|
if chat.Members == nil {
|
|
chat.Members = make(map[string]*protobuf.CommunityMember)
|
|
}
|
|
chat.Members[memberKey] = &protobuf.CommunityMember{
|
|
Roles: roles,
|
|
ChannelRole: channelRole,
|
|
}
|
|
changes.ChatsModified[chatID] = &CommunityChatChanges{
|
|
ChatModified: chat,
|
|
MembersAdded: map[string]*protobuf.CommunityMember{
|
|
memberKey: chat.Members[memberKey],
|
|
},
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
o.increaseClock()
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) PopulateChatWithAllMembers(chatID string) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return o.emptyCommunityChanges(), ErrNotControlNode
|
|
}
|
|
|
|
return o.populateChatWithAllMembers(chatID)
|
|
}
|
|
|
|
func (o *Community) populateChatWithAllMembers(chatID string) (*CommunityChanges, error) {
|
|
result := o.emptyCommunityChanges()
|
|
|
|
chat, exists := o.chats()[chatID]
|
|
if !exists {
|
|
return result, ErrChatNotFound
|
|
}
|
|
|
|
membersAdded := make(map[string]*protobuf.CommunityMember)
|
|
for pubKey, member := range o.Members() {
|
|
if chat.Members[pubKey] == nil {
|
|
membersAdded[pubKey] = member
|
|
}
|
|
}
|
|
result.ChatsModified[chatID] = &CommunityChatChanges{
|
|
MembersAdded: membersAdded,
|
|
}
|
|
|
|
chat.Members = o.Members()
|
|
o.increaseClock()
|
|
|
|
return result, nil
|
|
}
|
|
|
|
func (o *Community) ChatID(channelID string) string {
|
|
return o.IDString() + channelID
|
|
}
|
|
|
|
func (o *Community) ChatIDs() (chatIDs []string) {
|
|
for channelID := range o.config.CommunityDescription.Chats {
|
|
chatIDs = append(chatIDs, o.ChatID(channelID))
|
|
}
|
|
return chatIDs
|
|
}
|
|
|
|
func (o *Community) AllowsAllMembersToPinMessage() bool {
|
|
return o.config.CommunityDescription.AdminSettings != nil && o.config.CommunityDescription.AdminSettings.PinMessageAllMembersEnabled
|
|
}
|
|
|
|
func (o *Community) AddMemberWithRevealedAccounts(dbRequest *RequestToJoin, roles []protobuf.CommunityMember_Roles, accounts []*protobuf.RevealedAccount) (*CommunityChanges, error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return nil, ErrNotControlNode
|
|
}
|
|
|
|
changes := o.addMemberWithRevealedAccounts(dbRequest.PublicKey, roles, accounts, dbRequest.Clock)
|
|
|
|
o.increaseClock()
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) CreateDeepCopy() *Community {
|
|
return &Community{
|
|
encryptor: o.encryptor,
|
|
config: &Config{
|
|
PrivateKey: o.config.PrivateKey,
|
|
ControlNode: o.config.ControlNode,
|
|
ControlDevice: o.config.ControlDevice,
|
|
CommunityDescription: proto.Clone(o.config.CommunityDescription).(*protobuf.CommunityDescription),
|
|
CommunityDescriptionProtocolMessage: o.config.CommunityDescriptionProtocolMessage,
|
|
ID: o.config.ID,
|
|
Joined: o.config.Joined,
|
|
JoinedAt: o.config.JoinedAt,
|
|
Requested: o.config.Requested,
|
|
Verified: o.config.Verified,
|
|
Spectated: o.config.Spectated,
|
|
Muted: o.config.Muted,
|
|
MuteTill: o.config.MuteTill,
|
|
Logger: o.config.Logger,
|
|
RequestedToJoinAt: o.config.RequestedToJoinAt,
|
|
RequestsToJoin: o.config.RequestsToJoin,
|
|
MemberIdentity: o.config.MemberIdentity,
|
|
EventsData: o.config.EventsData,
|
|
Shard: o.config.Shard,
|
|
PubsubTopicPrivateKey: o.config.PubsubTopicPrivateKey,
|
|
LastOpenedAt: o.config.LastOpenedAt,
|
|
},
|
|
timesource: o.timesource,
|
|
}
|
|
}
|
|
|
|
func (o *Community) SetActiveMembersCount(activeMembersCount uint64) (updated bool, err error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !o.IsControlNode() {
|
|
return false, ErrNotControlNode
|
|
}
|
|
|
|
if activeMembersCount == o.config.CommunityDescription.ActiveMembersCount {
|
|
return false, nil
|
|
}
|
|
|
|
o.config.CommunityDescription.ActiveMembersCount = activeMembersCount
|
|
o.increaseClock()
|
|
|
|
return true, nil
|
|
}
|
|
|
|
type sortSlice []sorterHelperIdx
|
|
type sorterHelperIdx struct {
|
|
pos int32
|
|
catID string
|
|
chatID string
|
|
}
|
|
|
|
func (d sortSlice) Len() int {
|
|
return len(d)
|
|
}
|
|
|
|
func (d sortSlice) Swap(i, j int) {
|
|
d[i], d[j] = d[j], d[i]
|
|
}
|
|
|
|
func (d sortSlice) Less(i, j int) bool {
|
|
return d[i].pos < d[j].pos
|
|
}
|
|
|
|
func (o *Community) unbanUserFromCommunity(pk *ecdsa.PublicKey) {
|
|
key := common.PubkeyToHex(pk)
|
|
for i, v := range o.config.CommunityDescription.BanList {
|
|
if v == key {
|
|
o.config.CommunityDescription.BanList =
|
|
append(o.config.CommunityDescription.BanList[:i], o.config.CommunityDescription.BanList[i+1:]...)
|
|
break
|
|
}
|
|
}
|
|
|
|
if o.config.CommunityDescription.BannedMembers != nil {
|
|
delete(o.config.CommunityDescription.BannedMembers, key)
|
|
}
|
|
}
|
|
|
|
func (o *Community) banUserFromCommunity(pk *ecdsa.PublicKey, communityBanInfo *protobuf.CommunityBanInfo) {
|
|
key := common.PubkeyToHex(pk)
|
|
if o.hasMember(pk) {
|
|
// Remove from org
|
|
delete(o.config.CommunityDescription.Members, key)
|
|
|
|
// Remove from chats
|
|
for _, chat := range o.config.CommunityDescription.Chats {
|
|
delete(chat.Members, key)
|
|
}
|
|
}
|
|
|
|
if o.config.CommunityDescription.BannedMembers == nil {
|
|
o.config.CommunityDescription.BannedMembers = make(map[string]*protobuf.CommunityBanInfo)
|
|
}
|
|
|
|
if _, exists := o.config.CommunityDescription.BannedMembers[key]; !exists {
|
|
o.config.CommunityDescription.BannedMembers[key] = communityBanInfo
|
|
}
|
|
|
|
for _, u := range o.config.CommunityDescription.BanList {
|
|
if u == key {
|
|
return
|
|
}
|
|
}
|
|
|
|
o.config.CommunityDescription.BanList = append(o.config.CommunityDescription.BanList, key)
|
|
}
|
|
|
|
func (o *Community) deleteBannedMemberAllMessages(pk *ecdsa.PublicKey) error {
|
|
key := common.PubkeyToHex(pk)
|
|
|
|
if o.config.CommunityDescription.BannedMembers == nil {
|
|
return ErrBannedMemberNotFound
|
|
}
|
|
|
|
if _, exists := o.config.CommunityDescription.BannedMembers[key]; !exists {
|
|
return ErrBannedMemberNotFound
|
|
}
|
|
|
|
o.config.CommunityDescription.BannedMembers[key].DeleteAllMessages = true
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) editChat(chatID string, chat *protobuf.CommunityChat) error {
|
|
err := validateCommunityChat(o.config.CommunityDescription, chat)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if o.config.CommunityDescription.Chats == nil {
|
|
o.config.CommunityDescription.Chats = make(map[string]*protobuf.CommunityChat)
|
|
}
|
|
if _, exists := o.config.CommunityDescription.Chats[chatID]; !exists {
|
|
return ErrChatNotFound
|
|
}
|
|
|
|
o.config.CommunityDescription.Chats[chatID] = chat
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) createChat(chatID string, chat *protobuf.CommunityChat) error {
|
|
err := validateCommunityChat(o.config.CommunityDescription, chat)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if o.config.CommunityDescription.Chats == nil {
|
|
o.config.CommunityDescription.Chats = make(map[string]*protobuf.CommunityChat)
|
|
}
|
|
if _, ok := o.config.CommunityDescription.Chats[chatID]; ok {
|
|
return ErrChatAlreadyExists
|
|
}
|
|
|
|
for _, c := range o.config.CommunityDescription.Chats {
|
|
if chat.Identity.DisplayName == c.Identity.DisplayName {
|
|
return ErrInvalidCommunityDescriptionDuplicatedName
|
|
}
|
|
}
|
|
|
|
// Sets the chat position to be the last within its category
|
|
chat.Position = 0
|
|
for _, c := range o.config.CommunityDescription.Chats {
|
|
if c.CategoryId == chat.CategoryId {
|
|
chat.Position++
|
|
}
|
|
}
|
|
|
|
chat.Members = make(map[string]*protobuf.CommunityMember)
|
|
for pubKey, member := range o.config.CommunityDescription.Members {
|
|
chat.Members[pubKey] = member
|
|
}
|
|
|
|
o.config.CommunityDescription.Chats[chatID] = chat
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) deleteChat(chatID string) *CommunityChanges {
|
|
if o.config.CommunityDescription.Chats == nil {
|
|
o.config.CommunityDescription.Chats = make(map[string]*protobuf.CommunityChat)
|
|
}
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
|
|
if chat, exists := o.config.CommunityDescription.Chats[chatID]; exists {
|
|
tmpCatID := chat.CategoryId
|
|
chat.CategoryId = ""
|
|
o.SortCategoryChats(changes, tmpCatID)
|
|
changes.ChatsRemoved[chatID] = chat
|
|
}
|
|
|
|
delete(o.config.CommunityDescription.Chats, chatID)
|
|
return changes
|
|
}
|
|
|
|
func (o *Community) upsertTokenPermission(permission *protobuf.CommunityTokenPermission) (*CommunityChanges, error) {
|
|
existed := o.tokenPermissionByID(permission.Id) != nil
|
|
|
|
if o.config.CommunityDescription.TokenPermissions == nil {
|
|
o.config.CommunityDescription.TokenPermissions = make(map[string]*protobuf.CommunityTokenPermission)
|
|
}
|
|
o.config.CommunityDescription.TokenPermissions[permission.Id] = permission
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
if existed {
|
|
changes.TokenPermissionsModified[permission.Id] = NewCommunityTokenPermission(permission)
|
|
} else {
|
|
changes.TokenPermissionsAdded[permission.Id] = NewCommunityTokenPermission(permission)
|
|
}
|
|
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) deleteTokenPermission(permissionID string) (*CommunityChanges, error) {
|
|
permission, exists := o.config.CommunityDescription.TokenPermissions[permissionID]
|
|
if !exists {
|
|
return nil, ErrTokenPermissionNotFound
|
|
}
|
|
|
|
delete(o.config.CommunityDescription.TokenPermissions, permissionID)
|
|
|
|
changes := o.emptyCommunityChanges()
|
|
|
|
changes.TokenPermissionsRemoved[permissionID] = NewCommunityTokenPermission(permission)
|
|
return changes, nil
|
|
}
|
|
|
|
func (o *Community) addMemberWithRevealedAccounts(memberKey string, roles []protobuf.CommunityMember_Roles, accounts []*protobuf.RevealedAccount, clock uint64) *CommunityChanges {
|
|
changes := o.emptyCommunityChanges()
|
|
|
|
if o.config.CommunityDescription.Members == nil {
|
|
o.config.CommunityDescription.Members = make(map[string]*protobuf.CommunityMember)
|
|
}
|
|
|
|
if _, ok := o.config.CommunityDescription.Members[memberKey]; !ok {
|
|
o.config.CommunityDescription.Members[memberKey] = &protobuf.CommunityMember{Roles: roles}
|
|
changes.MembersAdded[memberKey] = o.config.CommunityDescription.Members[memberKey]
|
|
}
|
|
|
|
o.config.CommunityDescription.Members[memberKey].RevealedAccounts = accounts
|
|
o.config.CommunityDescription.Members[memberKey].LastUpdateClock = clock
|
|
changes.MemberWalletsAdded[memberKey] = o.config.CommunityDescription.Members[memberKey].RevealedAccounts
|
|
|
|
return changes
|
|
}
|
|
|
|
func (o *Community) DeclineRequestToJoin(dbRequest *RequestToJoin) (adminEventCreated bool, err error) {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
|
|
if !(o.IsControlNode() || o.hasPermissionToSendCommunityEvent(protobuf.CommunityEvent_COMMUNITY_REQUEST_TO_JOIN_REJECT)) {
|
|
return adminEventCreated, ErrNotAuthorized
|
|
}
|
|
|
|
if o.IsControlNode() {
|
|
pk, err := common.HexToPubkey(dbRequest.PublicKey)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
o.removeMemberFromOrg(pk)
|
|
o.increaseClock()
|
|
} else {
|
|
err = o.addNewCommunityEvent(o.ToCommunityRequestToJoinRejectCommunityEvent(dbRequest.PublicKey, dbRequest.ToCommunityRequestToJoinProtobuf()))
|
|
if err != nil {
|
|
return adminEventCreated, err
|
|
}
|
|
|
|
adminEventCreated = true
|
|
}
|
|
|
|
return adminEventCreated, err
|
|
}
|
|
|
|
func (o *Community) validateEvent(event *CommunityEvent, signer *ecdsa.PublicKey) error {
|
|
err := event.Validate()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
eventSender := o.getMember(signer)
|
|
if eventSender == nil {
|
|
return ErrMemberNotFound
|
|
}
|
|
|
|
eventTargetRoles := []protobuf.CommunityMember_Roles{}
|
|
eventTargetPk, err := common.HexToPubkey(event.MemberToAction)
|
|
if err == nil {
|
|
eventTarget := o.getMember(eventTargetPk)
|
|
if eventTarget != nil {
|
|
eventTargetRoles = eventTarget.Roles
|
|
}
|
|
}
|
|
|
|
if !RolesAuthorizedToPerformEvent(eventSender.Roles, eventTargetRoles, event) {
|
|
return ErrNotAuthorized
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *Community) ValidateEvent(event *CommunityEvent, signer *ecdsa.PublicKey) error {
|
|
o.mutex.Lock()
|
|
defer o.mutex.Unlock()
|
|
return o.validateEvent(event, signer)
|
|
}
|
|
|
|
func (o *Community) MemberCanManageToken(member *ecdsa.PublicKey, token *community_token.CommunityToken) bool {
|
|
return o.IsMemberOwner(member) || o.IsControlNode() || (o.IsMemberTokenMaster(member) &&
|
|
token.PrivilegesLevel != community_token.OwnerLevel && token.PrivilegesLevel != community_token.MasterLevel)
|
|
}
|
|
|
|
func CommunityDescriptionTokenOwnerChainID(description *protobuf.CommunityDescription) uint64 {
|
|
if description == nil {
|
|
return 0
|
|
}
|
|
|
|
// We look in TokenPermissions for a token that grants BECOME_TOKEN_OWNER rights
|
|
// There should be only one, and it's only a single chainID
|
|
for _, p := range description.TokenPermissions {
|
|
if p.Type == protobuf.CommunityTokenPermission_BECOME_TOKEN_OWNER && len(p.TokenCriteria) != 0 {
|
|
|
|
for _, criteria := range p.TokenCriteria {
|
|
for chainID := range criteria.ContractAddresses {
|
|
return chainID
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
func HasTokenOwnership(description *protobuf.CommunityDescription) bool {
|
|
return uint64(0) != CommunityDescriptionTokenOwnerChainID(description)
|
|
}
|