ssh-chat/identity.go

101 lines
2.7 KiB
Go

package sshchat
import (
"net"
"strings"
"time"
"github.com/shazow/ssh-chat/chat"
"github.com/shazow/ssh-chat/chat/message"
"github.com/shazow/ssh-chat/internal/humantime"
"github.com/shazow/ssh-chat/internal/sanitize"
"github.com/shazow/ssh-chat/sshd"
)
// Identity is a container for everything that identifies a client.
type Identity struct {
sshd.Connection
id string
symbol string // symbol is displayed as a prefix to the name
created time.Time
}
// NewIdentity returns a new identity object from an sshd.Connection.
func NewIdentity(conn sshd.Connection) *Identity {
return &Identity{
Connection: conn,
id: sanitize.Name(conn.Name()),
created: time.Now(),
}
}
// ID returns the name for the Identity
func (i Identity) ID() string {
return i.id
}
// SetID Changes the Identity's name
func (i *Identity) SetID(id string) {
i.id = id
}
// SetName Changes the Identity's name
func (i *Identity) SetName(name string) {
i.SetID(name)
}
func (i *Identity) SetSymbol(symbol string) {
i.symbol = symbol
}
// Name returns the name for the Identity
func (i Identity) Name() string {
if i.symbol != "" {
return i.symbol + " " + i.id
}
return i.id
}
// Whois returns a whois description for non-admin users.
// TODO: Add optional room context?
func (i Identity) Whois() string {
fingerprint := "(no public key)"
if i.PublicKey() != nil {
fingerprint = sshd.Fingerprint(i.PublicKey())
}
return "name: " + i.Name() + message.Newline +
" > fingerprint: " + fingerprint + message.Newline +
" > client: " + sanitize.Data(string(i.ClientVersion()), 64) + message.Newline +
" > joined: " + humantime.Since(i.created) + " ago"
}
// WhoisAdmin returns a whois description for admin users.
func (i Identity) WhoisAdmin(room *chat.Room) string {
ip, _, _ := net.SplitHostPort(i.RemoteAddr().String())
fingerprint := "(no public key)"
if i.PublicKey() != nil {
fingerprint = sshd.Fingerprint(i.PublicKey())
}
out := strings.Builder{}
out.WriteString("name: " + i.Name() + message.Newline +
" > ip: " + ip + message.Newline +
" > fingerprint: " + fingerprint + message.Newline +
" > client: " + sanitize.Data(string(i.ClientVersion()), 64) + message.Newline +
" > joined: " + humantime.Since(i.created) + " ago")
if member, ok := room.MemberByID(i.ID()); ok {
// Add room-specific whois
// FIXME: Should these always be present, even if they're false? Maybe
// change that once we add room context to Whois() above.
if !member.LastMsg().IsZero() {
out.WriteString(message.Newline + " > room/messaged: " + humantime.Since(member.LastMsg()) + " ago")
}
if room.IsOp(member.User) {
out.WriteString(message.Newline + " > room/op: true")
}
}
return out.String()
}