channel

package
v0.5.12 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 1, 2021 License: GPL-3.0 Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ServerMinKeySize = 512
	ServerKeySize    = 512

	ClientMinKeySize = 128
	ClientKeySize    = 256
)

Variables

View Source 
var ErrKeyExchange = errors.New("invalid key exchange")

Functions

func JSON 

func JSON(r io.Reader, data interface{}) (io.Reader, error)

Types

type Batch 

type Batch struct {
	Filter ClientFilter
	Msg    Msg
}

type BinaryHistory 

type BinaryHistory struct {
	// contains filtered or unexported fields
}

func NewBinaryHistory 

func NewBinaryHistory(
	max int,
	appendOnlyFile string,
	current DecoderVersion,
	dec map[DecoderVersion]Decoder,
) (*BinaryHistory, error)

func (*BinaryHistory) Add 

func (g *BinaryHistory) Add(d Msg)

func (*BinaryHistory) DecodeAppendFile 

func (g *BinaryHistory) DecodeAppendFile(r io.Reader, cb func(Msg)) error

func (*BinaryHistory) Each 

func (g *BinaryHistory) Each(cb func(Msg) bool)

func (*BinaryHistory) Last 

func (g *BinaryHistory) Last(n int, cb func(Msg) bool)

func (*BinaryHistory) Load 

func (g *BinaryHistory) Load(file string) error

func (*BinaryHistory) NeedsSave 

func (g *BinaryHistory) NeedsSave() bool

func (*BinaryHistory) Save 

func (g *BinaryHistory) Save(file string) error

func (*BinaryHistory) StartAppend 

func (g *BinaryHistory) StartAppend() error

func (*BinaryHistory) StopAppend 

func (g *BinaryHistory) StopAppend()

type BinaryReader 

type BinaryReader interface {
	Err() error

	Reader() io.Reader

	ReadUint(byte) uint64
	ReadUint8() uint8
	ReadUint16() uint16
	ReadUint32() uint32
	ReadUint64() uint64

	ReadBytes(byte) []byte
	ReadString(byte) string
}

type BinaryWriter 

type BinaryWriter interface {
	Err() error

	Writer() io.Writer

	WriteUint(uint64, byte)
	WriteUint8(uint8)
	WriteUint16(uint16)
	WriteUint32(uint32)
	WriteUint64(uint64)

	WriteBytes([]byte, byte)
	WriteString(string, byte)
}

type BufferedWriteFlusher 

type BufferedWriteFlusher struct {
	// contains filtered or unexported fields
}

func (*BufferedWriteFlusher) Flush 

func (w *BufferedWriteFlusher) Flush() error

func (*BufferedWriteFlusher) Write 

func (w *BufferedWriteFlusher) Write(b []byte) (int, error)

type Channel 

type Channel interface {
	Register(name string, s Sender) error

	NeedsSave() bool
	Save(string) error
	Load(file string) error

	Run() error
	Close() error

	LimitReader() int64

	HandleBIN(Client, BinaryReader) error
	HandleJSON(Client, io.Reader) (io.Reader, error)
}

type ChannelMsg 

type ChannelMsg struct {
	Data string `json:"d"`
	NoClose
}

func BinaryChannelMsg 

func BinaryChannelMsg(r BinaryReader) (ChannelMsg, error)

func JSONChannelMsg 

func JSONChannelMsg(r io.Reader) (ChannelMsg, io.Reader, error)

func (ChannelMsg) Binary 

func (h ChannelMsg) Binary(w BinaryWriter) error

func (ChannelMsg) Equal 

func (m ChannelMsg) Equal(Msg) bool

func (ChannelMsg) FromBinary 

func (m ChannelMsg) FromBinary(r BinaryReader) (Msg, error)

func (ChannelMsg) FromJSON 

func (m ChannelMsg) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (ChannelMsg) JSON 

func (h ChannelMsg) JSON(w io.Writer) error

type Client 

type Client interface {
	Name() string
	Bot() bool
}

type ClientFilter 

type ClientFilter struct {
	Client     Client
	Channel    string
	HasChannel []string
	To         []string
	NotTo      []string
}

func (ClientFilter) CheckChannels 

func (f ClientFilter) CheckChannels(n []string) bool

func (ClientFilter) CheckIdentity 

func (f ClientFilter) CheckIdentity(c Client) bool

func (ClientFilter) CheckIdentityAndName 

func (f ClientFilter) CheckIdentityAndName(c Client) bool

func (ClientFilter) CheckName 

func (f ClientFilter) CheckName(n string) bool

type ConnectionReason 

type ConnectionReason byte
const (
	Connect ConnectionReason = iota
	Disconnect
)

type CryptoLabel 

type CryptoLabel string
const (
	CryptoClientWrite    CryptoLabel = "write"
	CryptoClientRead     CryptoLabel = "read"
	CryptoClientMacWrite CryptoLabel = "mac-write"
	CryptoClientMacRead  CryptoLabel = "mac-read"

	CryptoServerWrite CryptoLabel = CryptoClientRead
	CryptoServerRead  CryptoLabel = CryptoClientWrite

	CryptoServerMacWrite CryptoLabel = CryptoClientMacRead
	CryptoServerMacRead  CryptoLabel = CryptoClientMacWrite
)

type Decoder 

type Decoder = func(r BinaryReader) (Msg, error)

type DecoderVersion 

type DecoderVersion string

type DeriveSecret 

type DeriveSecret func(label CryptoLabel) []byte

func CommonSecret 

func CommonSecret(c PubKeyMessage, s PubKeyServerMessage, serverPrivate *crypto.Key, size int) (DeriveSecret, error)

type DeriveSecret32 

type DeriveSecret32 func(label CryptoLabel) [32]byte

func CommonSecret32 

func CommonSecret32(c PubKeyMessage, s PubKeyServerMessage, serverPrivate *crypto.Key) (DeriveSecret32, error)

type EOF 

type EOF struct {
	NilMsg
}

func BinaryMessage 

func BinaryMessage(r BinaryReader) (EOF, error)

func JSONMessage 

func JSONMessage(r io.Reader) (EOF, io.Reader, error)

func (EOF) FromBinary 

func (m EOF) FromBinary(r BinaryReader) (Msg, error)

func (EOF) FromJSON 

func (m EOF) FromJSON(r io.Reader) (Msg, io.Reader, error)

type FlushFlusher 

type FlushFlusher struct {
	// contains filtered or unexported fields
}

func (*FlushFlusher) Flush 

func (w *FlushFlusher) Flush() error

type Flusher 

type Flusher interface {
	Flush() error
}

func NewFlushFlusher 

func NewFlushFlusher(flushers ...Flusher) Flusher

type Hex 

type Hex struct{}

func (Hex) DecodeString 

func (h Hex) DecodeString(i string) ([]byte, error)

func (Hex) EncodeToString 

func (h Hex) EncodeToString(i []byte) string

type IdentifyMsg 

type IdentifyMsg struct {
	Data     string   `json:"d"`
	Channels []string `json:"c"`
	Version  string   `json:"v"`

	NeverEqual
	NoClose
}

func BinaryIdentifyMsg 

func BinaryIdentifyMsg(r BinaryReader) (IdentifyMsg, error)

func JSONIdentifyMsg 

func JSONIdentifyMsg(r io.Reader) (IdentifyMsg, io.Reader, error)

func (IdentifyMsg) Binary 

func (h IdentifyMsg) Binary(w BinaryWriter) error

func (IdentifyMsg) FromBinary 

func (m IdentifyMsg) FromBinary(r BinaryReader) (Msg, error)

func (IdentifyMsg) FromJSON 

func (m IdentifyMsg) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (IdentifyMsg) JSON 

func (h IdentifyMsg) JSON(w io.Writer) error

type Limit 

type Limit struct {
	// contains filtered or unexported fields
}

func Limiter 

func Limiter(n int64) Limit

func (Limit) LimitReader 

func (l Limit) LimitReader() int64

type Msg 

type Msg interface {
	Binary(BinaryWriter) error
	JSON(io.Writer) error
	Equal(Msg) bool

	FromBinary(BinaryReader) (Msg, error)
	FromJSON(io.Reader) (Msg, io.Reader, error)

	Close() error
}

type NameOnlyClient 

type NameOnlyClient struct {
	// contains filtered or unexported fields
}

func NewBot 

func NewBot(name string) *NameOnlyClient

func NewClient 

func NewClient(name string, bot bool) *NameOnlyClient

func NewUser 

func NewUser(name string) *NameOnlyClient

func (*NameOnlyClient) Bot 

func (n *NameOnlyClient) Bot() bool

func (*NameOnlyClient) Name 

func (n *NameOnlyClient) Name() string

type NeverEqual 

type NeverEqual struct{}

func (NeverEqual) Equal 

func (n NeverEqual) Equal(Msg) bool

type NilMsg 

type NilMsg struct {
	NeverEqual
	NoClose
}

func BinaryNilMessage 

func BinaryNilMessage(r BinaryReader) (m NilMsg, err error)

func JSONNilMessage 

func JSONNilMessage(r io.Reader) (NilMsg, io.Reader, error)

func (NilMsg) Binary 

func (m NilMsg) Binary(w BinaryWriter) error

func (NilMsg) FromBinary 

func (m NilMsg) FromBinary(r BinaryReader) (Msg, error)

func (NilMsg) FromJSON 

func (m NilMsg) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (NilMsg) JSON 

func (m NilMsg) JSON(w io.Writer) error

type NoClose 

type NoClose struct{}

func (NoClose) Close 

func (n NoClose) Close() error

type NoRun 

type NoRun struct{}

func (NoRun) Run 

func (n NoRun) Run() error

type NoRunClose 

type NoRunClose struct {
	NoRun
	NoClose
}

type NoSave 

type NoSave struct{}

func (NoSave) Load 

func (ns NoSave) Load(file string) error

func (NoSave) NeedsSave 

func (ns NoSave) NeedsSave() bool

func (NoSave) Save 

func (ns NoSave) Save(file string) error

type PassthroughWriteFlusher 

type PassthroughWriteFlusher struct {
	io.Writer
}

func (*PassthroughWriteFlusher) Flush 

func (w *PassthroughWriteFlusher) Flush() error

type Proto 

type Proto byte
const (
	ProtoNone Proto = iota
	ProtoJSON
	ProtoBinary
)

func ReadProto 

func ReadProto(r io.Reader) Proto

func (Proto) Write 

func (p Proto) Write(w io.Writer) error

type PubKeyMessage 

type PubKeyMessage struct {
	NeverEqual
	NoClose
	// contains filtered or unexported fields
}

func BinaryPubKeyMessage 

func BinaryPubKeyMessage(r BinaryReader) (p PubKeyMessage, err error)

func JSONPubKeyMessage 

func JSONPubKeyMessage(r io.Reader) (PubKeyMessage, io.Reader, error)

func NewPubKeyMessage 

func NewPubKeyMessage(key *crypto.Key, m PubKeyServerMessage) (PubKeyMessage, error)

func (PubKeyMessage) Binary 

func (m PubKeyMessage) Binary(w BinaryWriter) error

func (PubKeyMessage) Fingerprint 

func (m PubKeyMessage) Fingerprint() string

func (PubKeyMessage) FromBinary 

func (m PubKeyMessage) FromBinary(r BinaryReader) (Msg, error)

func (PubKeyMessage) FromJSON 

func (m PubKeyMessage) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (PubKeyMessage) JSON 

func (m PubKeyMessage) JSON(w io.Writer) error

type PubKeyServerMessage 

type PubKeyServerMessage struct {
	NeverEqual
	NoClose
	// contains filtered or unexported fields
}

func BinaryPubKeyServerMessage 

func BinaryPubKeyServerMessage(r BinaryReader) (p PubKeyServerMessage, err error)

func JSONPubKeyServerMessage 

func JSONPubKeyServerMessage(r io.Reader) (PubKeyServerMessage, io.Reader, error)

func NewPubKeyServerMessage 

func NewPubKeyServerMessage(key *crypto.Key) (PubKeyServerMessage, error)

func (PubKeyServerMessage) Binary 

func (m PubKeyServerMessage) Binary(w BinaryWriter) error

func (PubKeyServerMessage) Fingerprint 

func (m PubKeyServerMessage) Fingerprint() string

func (PubKeyServerMessage) FromBinary 

func (m PubKeyServerMessage) FromBinary(r BinaryReader) (Msg, error)

func (PubKeyServerMessage) FromJSON 

func (m PubKeyServerMessage) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (PubKeyServerMessage) JSON 

func (m PubKeyServerMessage) JSON(w io.Writer) error

func (PubKeyServerMessage) PubKey added in v0.3.11 

func (m PubKeyServerMessage) PubKey() *crypto.PubKey

type RWFactory 

type RWFactory interface {
	Reader(io.Reader) io.Reader
	Writer(io.Writer) io.Writer

	BinaryReader(io.Reader) BinaryReader
	BinaryWriter(io.Writer) BinaryWriter
}

func NewRWFactory 

func NewRWFactory(debug io.Writer) RWFactory

type Saver 

type Saver interface {
	Add(d Msg)
	Each(func(Msg) bool)
	Last(int, func(Msg) bool)
}

type SendOnly 

type SendOnly struct{}

func (SendOnly) HandleBIN 

func (s SendOnly) HandleBIN(cl Client, r BinaryReader) error

func (SendOnly) HandleJSON 

func (s SendOnly) HandleJSON(cl Client, r io.Reader) (io.Reader, error)

func (SendOnly) LimitReader 

func (s SendOnly) LimitReader() int64

type Sender 

type Sender interface {
	Broadcast(ClientFilter, Msg) error
	// BroadcastError(ClientFilter, error) error
	BroadcastBatch([]Batch) error
}

type StatusCode 

type StatusCode byte
const (
	StatusOK StatusCode = iota
	StatusNOK
	StatusUpdateClient
	StatusNotAllowed
)

type StatusMsg 

type StatusMsg struct {
	Code StatusCode `json:"code"`
	Err  string     `json:"err"`

	NeverEqual
	NoClose
}

func BinaryStatusMsg 

func BinaryStatusMsg(r BinaryReader) (StatusMsg, error)

func JSONStatusMsg 

func JSONStatusMsg(r io.Reader) (StatusMsg, io.Reader, error)

func (StatusMsg) Binary 

func (m StatusMsg) Binary(w BinaryWriter) error

func (StatusMsg) FromBinary 

func (m StatusMsg) FromBinary(r BinaryReader) (Msg, error)

func (StatusMsg) FromJSON 

func (m StatusMsg) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (StatusMsg) Is 

func (m StatusMsg) Is(s StatusCode) bool

func (StatusMsg) JSON 

func (m StatusMsg) JSON(w io.Writer) error

func (StatusMsg) OK 

func (m StatusMsg) OK() bool

type StringDecoder 

type StringDecoder interface{ DecodeString(string) ([]byte, error) }

type StringEncoder 

type StringEncoder interface{ EncodeToString([]byte) string }

type SymmetricTestMessage 

type SymmetricTestMessage struct {
	NoClose
	// contains filtered or unexported fields
}

func BinarySymmetricTestMessage 

func BinarySymmetricTestMessage(r BinaryReader) (p SymmetricTestMessage, err error)

func JSONSymmetricTestMessage 

func JSONSymmetricTestMessage(r io.Reader) (SymmetricTestMessage, io.Reader, error)

func NewSymmetricTestMessage 

func NewSymmetricTestMessage() (SymmetricTestMessage, error)

func (SymmetricTestMessage) Binary 

func (s SymmetricTestMessage) Binary(w BinaryWriter) error

func (SymmetricTestMessage) Equal 

func (s SymmetricTestMessage) Equal(m Msg) bool

func (SymmetricTestMessage) FromBinary 

func (s SymmetricTestMessage) FromBinary(r BinaryReader) (Msg, error)

func (SymmetricTestMessage) FromJSON 

func (s SymmetricTestMessage) FromJSON(r io.Reader) (Msg, io.Reader, error)

func (SymmetricTestMessage) JSON 

func (s SymmetricTestMessage) JSON(w io.Writer) error

type Uploader 

type Uploader interface {
	Upload(string, io.Reader) (*url.URL, error)
}

type User 

type User struct {
	Name    string
	Clients int
}

type UserCollection 

type UserCollection interface {
	GetUsers(ch string) []User
}

type UserUpdateHandler 

type UserUpdateHandler interface {
	UserUpdate(Client, ConnectionReason) error
}

func MultiUserUpdateHandler 

func MultiUserUpdateHandler(handlers ...UserUpdateHandler) UserUpdateHandler

type WriteFlusher 

type WriteFlusher interface {
	io.Writer
	Flusher
}

func NewBuffered 

func NewBuffered(w io.Writer) WriteFlusher

func NewPassthrough 

func NewPassthrough(w io.Writer) WriteFlusher

type WriterFlusher 

type WriterFlusher struct {
	io.Writer
	Flusher
}

Source Files

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Directories

Path Synopsis
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