mirror of https://github.com/XTLS/Xray-core
135 lines
3.1 KiB
Go
135 lines
3.1 KiB
Go
package session
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import (
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"context"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/session"
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"github.com/xtls/xray-core/features/routing"
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)
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// Context is an implementation of routing.Context, which is a wrapper of context.context with session info.
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type Context struct {
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Inbound *session.Inbound
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Outbound *session.Outbound
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Content *session.Content
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}
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// GetInboundTag implements routing.Context.
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func (ctx *Context) GetInboundTag() string {
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if ctx.Inbound == nil {
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return ""
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}
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return ctx.Inbound.Tag
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}
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// GetSourceIPs implements routing.Context.
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func (ctx *Context) GetSourceIPs() []net.IP {
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if ctx.Inbound == nil || !ctx.Inbound.Source.IsValid() {
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return nil
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}
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dest := ctx.Inbound.Source
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if dest.Address.Family().IsDomain() {
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return nil
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}
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return []net.IP{dest.Address.IP()}
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}
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// GetSourcePort implements routing.Context.
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func (ctx *Context) GetSourcePort() net.Port {
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if ctx.Inbound == nil || !ctx.Inbound.Source.IsValid() {
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return 0
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}
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return ctx.Inbound.Source.Port
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}
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// GetTargetIPs implements routing.Context.
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func (ctx *Context) GetTargetIPs() []net.IP {
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if ctx.Outbound == nil || !ctx.Outbound.Target.IsValid() {
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return nil
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}
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if ctx.Outbound.Target.Address.Family().IsIP() {
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return []net.IP{ctx.Outbound.Target.Address.IP()}
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}
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return nil
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}
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// GetTargetPort implements routing.Context.
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func (ctx *Context) GetTargetPort() net.Port {
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if ctx.Outbound == nil || !ctx.Outbound.Target.IsValid() {
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return 0
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}
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return ctx.Outbound.Target.Port
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}
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// GetTargetDomain implements routing.Context.
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func (ctx *Context) GetTargetDomain() string {
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if ctx.Outbound == nil || !ctx.Outbound.Target.IsValid() {
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return ""
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}
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dest := ctx.Outbound.RouteTarget
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if dest.IsValid() && dest.Address.Family().IsDomain() {
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return dest.Address.Domain()
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}
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dest = ctx.Outbound.Target
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if !dest.Address.Family().IsDomain() {
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return ""
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}
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return dest.Address.Domain()
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}
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// GetNetwork implements routing.Context.
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func (ctx *Context) GetNetwork() net.Network {
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if ctx.Outbound == nil {
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return net.Network_Unknown
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}
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return ctx.Outbound.Target.Network
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}
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// GetProtocol implements routing.Context.
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func (ctx *Context) GetProtocol() string {
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if ctx.Content == nil {
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return ""
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}
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return ctx.Content.Protocol
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}
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// GetUser implements routing.Context.
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func (ctx *Context) GetUser() string {
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if ctx.Inbound == nil || ctx.Inbound.User == nil {
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return ""
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}
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return ctx.Inbound.User.Email
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}
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// GetAttributes implements routing.Context.
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func (ctx *Context) GetAttributes() map[string]string {
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if ctx.Content == nil {
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return nil
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}
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return ctx.Content.Attributes
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}
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// GetSkipDNSResolve implements routing.Context.
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func (ctx *Context) GetSkipDNSResolve() bool {
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if ctx.Content == nil {
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return false
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}
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return ctx.Content.SkipDNSResolve
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}
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// AsRoutingContext creates a context from context.context with session info.
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func AsRoutingContext(ctx context.Context) routing.Context {
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outbounds := session.OutboundsFromContext(ctx)
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ob := outbounds[len(outbounds)-1]
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return &Context{
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Inbound: session.InboundFromContext(ctx),
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Outbound: ob,
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Content: session.ContentFromContext(ctx),
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}
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}
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