package irc import ( "strings" ) // user mode flags type UserMode rune func (mode UserMode) String() string { return string(mode) } type UserModes []UserMode func (modes UserModes) String() string { strs := make([]string, len(modes)) for index, mode := range modes { strs[index] = mode.String() } return strings.Join(strs, "") } // channel mode flags type ChannelMode rune func (mode ChannelMode) String() string { return string(mode) } type ChannelModes []ChannelMode func (modes ChannelModes) String() string { strs := make([]string, len(modes)) for index, mode := range modes { strs[index] = mode.String() } return strings.Join(strs, "") } type ModeOp rune func (op ModeOp) String() string { return string(op) } const ( Add ModeOp = '+' List ModeOp = '=' Remove ModeOp = '-' ) const ( Away UserMode = 'a' Invisible UserMode = 'i' LocalOperator UserMode = 'O' Operator UserMode = 'o' Restricted UserMode = 'r' ServerNotice UserMode = 's' // deprecated WallOps UserMode = 'w' ) var ( SupportedUserModes = UserModes{ Away, Invisible, Operator, } ) const ( ChannelFounder ChannelMode = 'q' // arg ChannelAdmin ChannelMode = 'a' // arg ChannelOperator ChannelMode = 'o' // arg Halfop ChannelMode = 'h' // arg Voice ChannelMode = 'v' // arg BanMask ChannelMode = 'b' // arg ExceptMask ChannelMode = 'e' // arg InviteMask ChannelMode = 'I' // arg InviteOnly ChannelMode = 'i' // flag Key ChannelMode = 'k' // flag arg Moderated ChannelMode = 'm' // flag NoOutside ChannelMode = 'n' // flag OpOnlyTopic ChannelMode = 't' // flag Persistent ChannelMode = 'P' // flag ReOp ChannelMode = 'r' // flag Secret ChannelMode = 's' // flag Theater ChannelMode = 'T' // flag, nonstandard UserLimit ChannelMode = 'l' // flag arg ) var ( SupportedChannelModes = ChannelModes{ BanMask, ExceptMask, InviteMask, InviteOnly, Key, NoOutside, OpOnlyTopic, Persistent, Secret, Theater, UserLimit, } DefaultChannelModes = ChannelModes{ NoOutside, OpOnlyTopic, } // ChannelPrivModes holds the list of modes that are privileged, ie founder/op/halfop, in order. // voice is not in this list because it cannot perform channel operator actions. ChannelPrivModes = ChannelModes{ ChannelFounder, ChannelAdmin, ChannelOperator, Halfop, } ChannelModePrefixes = map[ChannelMode]string{ ChannelFounder: "~", ChannelAdmin: "&", ChannelOperator: "@", Halfop: "%", Voice: "+", } ) // // commands // func (m *ModeCommand) HandleServer(s *Server) { client := m.Client() target := s.clients.Get(m.nickname) if target == nil { client.ErrNoSuchNick(m.nickname) return } if client != target && !client.flags[Operator] { client.ErrUsersDontMatch() return } changes := make(ModeChanges, 0, len(m.changes)) for _, change := range m.changes { switch change.mode { case Invisible, ServerNotice, WallOps: switch change.op { case Add: if target.flags[change.mode] { continue } target.flags[change.mode] = true changes = append(changes, change) case Remove: if !target.flags[change.mode] { continue } delete(target.flags, change.mode) changes = append(changes, change) } case Operator, LocalOperator: if change.op == Remove { if !target.flags[change.mode] { continue } delete(target.flags, change.mode) changes = append(changes, change) } } } if len(changes) > 0 { client.Reply(RplModeChanges(client, target, changes)) } else if client == target { client.RplUModeIs(client) } } func (msg *ChannelModeCommand) HandleServer(server *Server) { client := msg.Client() channel := server.channels.Get(msg.channel) if channel == nil { client.ErrNoSuchChannel(msg.channel) return } channel.Mode(client, msg.changes) }