82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
package goricochet
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import (
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"github.com/golang/protobuf/proto"
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"github.com/s-rah/go-ricochet/auth"
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"github.com/s-rah/go-ricochet/chat"
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"github.com/s-rah/go-ricochet/contact"
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"github.com/s-rah/go-ricochet/control"
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)
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// MessageBuilder allows a client to construct specific data packets for the
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// ricochet protocol.
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type MessageBuilder struct {
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}
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// OpenChatChannel contructs a message which will request to open a channel for
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// chat on the given channelID.
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func (mb *MessageBuilder) OpenChatChannel(channelID int32) ([]byte, error) {
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oc := &Protocol_Data_Control.OpenChannel{
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ChannelIdentifier: proto.Int32(channelID),
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ChannelType: proto.String("im.ricochet.chat"),
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}
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pc := &Protocol_Data_Control.Packet{
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OpenChannel: oc,
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}
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return proto.Marshal(pc)
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}
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// OpenContactRequestChannel contructs a message which will reuqest to open a channel for
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// a contact request on the given channelID, with the given nick and message.
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func (mb *MessageBuilder) OpenContactRequestChannel(channelID int32, nick string, message string) ([]byte, error) {
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// Construct a Contact Request Channel
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oc := &Protocol_Data_Control.OpenChannel{
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ChannelIdentifier: proto.Int32(channelID),
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ChannelType: proto.String("im.ricochet.contact.request"),
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}
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contactRequest := &Protocol_Data_ContactRequest.ContactRequest{
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Nickname: proto.String(nick),
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MessageText: proto.String(message),
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}
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err := proto.SetExtension(oc, Protocol_Data_ContactRequest.E_ContactRequest, contactRequest)
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if err != nil {
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return nil, err
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}
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pc := &Protocol_Data_Control.Packet{
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OpenChannel: oc,
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}
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return proto.Marshal(pc)
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}
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// OpenAuthenticationChannel constructs a message which will reuqest to open a channel for
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// authentication on the given channelID, with the given cookie
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func (mb *MessageBuilder) OpenAuthenticationChannel(channelID int32, clientCookie [16]byte) ([]byte, error) {
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oc := &Protocol_Data_Control.OpenChannel{
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ChannelIdentifier: proto.Int32(channelID),
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ChannelType: proto.String("im.ricochet.auth.hidden-service"),
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}
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err := proto.SetExtension(oc, Protocol_Data_AuthHiddenService.E_ClientCookie, clientCookie[:])
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if err != nil {
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return nil, err
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}
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pc := &Protocol_Data_Control.Packet{
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OpenChannel: oc,
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}
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return proto.Marshal(pc)
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}
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// ChatMessage constructs a chat message with the given content.
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func (mb *MessageBuilder) ChatMessage(message string) ([]byte, error) {
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cm := &Protocol_Data_Chat.ChatMessage{
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MessageText: proto.String(message),
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}
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chatPacket := &Protocol_Data_Chat.Packet{
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ChatMessage: cm,
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}
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return proto.Marshal(chatPacket)
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}
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