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feat(vmess): ip restriction for vmess

This commit is contained in:
Devman 2023-06-30 21:28:24 +00:00
parent 3d692eb208
commit 97fa8827e2
1 changed files with 21 additions and 1 deletions
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22
proxy/vmess/inbound/inbound.go
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@ -208,7 +208,7 @@ func transferResponse(timer signal.ActivityUpdater, session *encoding.ServerSess
}
// Process implements proxy.Inbound.Process().
func (h *Handler) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
func (h *Handler) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher, usrIpRstrct *map[session.ID]*stat.UserIpRestriction, connIp *stat.UserIpRestriction) error {
sessionPolicy := h.policyManager.ForLevel(0)
if err := connection.SetReadDeadline(time.Now().Add(sessionPolicy.Timeouts.Handshake)); err != nil {
return newError("unable to set read deadline").Base(err).AtWarning()
@ -264,6 +264,26 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
sessionPolicy = h.policyManager.ForLevel(request.User.Level)
if (request.User.IpLimit > 0) {
addr := connection.RemoteAddr().(*net.TCPAddr)
uniqueIps := make(map[string]bool)
// Iterate through the connections and find unique used IP addresses withing last 30 seconds.
for _, conn := range *usrIpRstrct {
if conn.User == request.User.Email && !conn.IpAddress.Equal(addr.IP) && ((time.Now().Unix() - conn.Time) < 30) {
uniqueIps[conn.IpAddress.String()] = true
}
}
if (len(uniqueIps) >= int(request.User.IpLimit)) {
return newError("User ", request.User.Email, " has exceeded their allowed IPs.").AtWarning()
}
connIp.IpAddress = addr.IP
connIp.User = request.User.Email
connIp.Time = time.Now().Unix()
}
ctx, cancel := context.WithCancel(ctx)
timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)