packets

package

v1.1.0 Latest Latest Go to latest Published: Jan 14, 2021 License: AGPL-3.0 Imports: 4 Imported by: 0

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var ErrDecryptFailed = errors.New("decrypt failed")

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var ErrInvalidPayload = errors.New("invalid payload")

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var ErrPacketDropped = errors.New("packet dropped")

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var ErrSessionExpired = errors.New("session expired")

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var ErrUnknownFlag = errors.New("unknown flag")

func BuildLoginPacket(uin int64, bodyType byte, key, body, extraData []byte) []byte

func BuildOicqRequestPacket(uin int64, commandId uint16, encrypt IEncryptMethod, key []byte, bodyFunc func(writer *binary.Writer)) []byte

func BuildSsoPacket(seq uint16, appId uint32, commandName, imei string, extData, outPacketSessionId, body, ksid []byte) []byte

func BuildUniPacket(uin int64, seq uint16, commandName string, encryptType byte, sessionId, extraData, key, body []byte) []byte

type IEncryptMethod interface {
	DoEncrypt([]byte, []byte) []byte
	Id() byte
}

type ISendingPacket interface {
	CommandId() uint16
	Writer() *binary.Writer
}

type IncomingPacket struct {
	SequenceId  uint16
	Flag2       byte
	CommandName string
	SessionId   []byte
	Payload     []byte
}

func ParseIncomingPacket(payload, d2key []byte) (*IncomingPacket, error)

func (pkt *IncomingPacket) DecryptPayload(random, sessionKey []byte) ([]byte, error)