mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-26 13:15:39 +08:00
122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
package adapter
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import (
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"context"
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"net"
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"net/http"
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"net/netip"
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"sync"
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"github.com/sagernet/sing-box/common/geoip"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-dns"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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"github.com/sagernet/sing/common/x/list"
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mdns "github.com/miekg/dns"
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"go4.org/netipx"
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)
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type Router interface {
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Lifecycle
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FakeIPStore() FakeIPStore
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ConnectionRouter
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PreMatch(metadata InboundContext) error
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ConnectionRouterEx
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GeoIPReader() *geoip.Reader
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LoadGeosite(code string) (Rule, error)
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RuleSet(tag string) (RuleSet, bool)
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NeedWIFIState() bool
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Exchange(ctx context.Context, message *mdns.Msg) (*mdns.Msg, error)
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Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error)
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LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
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ClearDNSCache()
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Rules() []Rule
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SetTracker(tracker ConnectionTracker)
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ResetNetwork()
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}
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type ConnectionTracker interface {
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RoutedConnection(ctx context.Context, conn net.Conn, metadata InboundContext, matchedRule Rule, matchOutbound Outbound) net.Conn
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RoutedPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext, matchedRule Rule, matchOutbound Outbound) N.PacketConn
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}
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// Deprecated: Use ConnectionRouterEx instead.
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type ConnectionRouter interface {
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RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
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RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
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}
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type ConnectionRouterEx interface {
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ConnectionRouter
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RouteConnectionEx(ctx context.Context, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
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RoutePacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
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}
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type RuleSet interface {
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Name() string
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StartContext(ctx context.Context, startContext *HTTPStartContext) error
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PostStart() error
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Metadata() RuleSetMetadata
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ExtractIPSet() []*netipx.IPSet
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IncRef()
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DecRef()
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Cleanup()
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RegisterCallback(callback RuleSetUpdateCallback) *list.Element[RuleSetUpdateCallback]
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UnregisterCallback(element *list.Element[RuleSetUpdateCallback])
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Close() error
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HeadlessRule
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}
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type RuleSetUpdateCallback func(it RuleSet)
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type RuleSetMetadata struct {
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ContainsProcessRule bool
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ContainsWIFIRule bool
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ContainsIPCIDRRule bool
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}
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type HTTPStartContext struct {
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access sync.Mutex
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httpClientCache map[string]*http.Client
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}
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func NewHTTPStartContext() *HTTPStartContext {
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return &HTTPStartContext{
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httpClientCache: make(map[string]*http.Client),
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}
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}
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func (c *HTTPStartContext) HTTPClient(detour string, dialer N.Dialer) *http.Client {
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c.access.Lock()
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defer c.access.Unlock()
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if httpClient, loaded := c.httpClientCache[detour]; loaded {
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return httpClient
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}
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httpClient := &http.Client{
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Transport: &http.Transport{
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ForceAttemptHTTP2: true,
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TLSHandshakeTimeout: C.TCPTimeout,
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DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
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return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
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},
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},
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}
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c.httpClientCache[detour] = httpClient
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return httpClient
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}
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func (c *HTTPStartContext) Close() {
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c.access.Lock()
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defer c.access.Unlock()
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for _, client := range c.httpClientCache {
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client.CloseIdleConnections()
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}
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}
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