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75 lines
2.8 KiB
Go
75 lines
2.8 KiB
Go
package meek
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import (
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"context"
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"github.com/v2fly/v2ray-core/v5/common"
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"github.com/v2fly/v2ray-core/v5/common/net"
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"github.com/v2fly/v2ray-core/v5/common/serial"
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"github.com/v2fly/v2ray-core/v5/transport/internet"
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"github.com/v2fly/v2ray-core/v5/transport/internet/request/assembler/simple"
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"github.com/v2fly/v2ray-core/v5/transport/internet/request/assembly"
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"github.com/v2fly/v2ray-core/v5/transport/internet/request/roundtripper/httprt"
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)
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//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
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const protocolName = "meek"
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return nil, newError("meek is a transport")
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}))
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common.Must(internet.RegisterTransportDialer(protocolName, meekDial))
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common.Must(internet.RegisterTransportListener(protocolName, meekListen))
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}
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func meekDial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
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meekSetting := streamSettings.ProtocolSettings.(*Config)
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simpleAssembler := &simple.ClientConfig{
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MaxWriteSize: 65536,
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WaitSubsequentWriteMs: 10,
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InitialPollingIntervalMs: 100,
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MaxPollingIntervalMs: 1000,
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MinPollingIntervalMs: 10,
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BackoffFactor: 1.5,
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FailedRetryIntervalMs: 1000,
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}
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httprtSetting := &httprt.ClientConfig{
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Http: &httprt.HTTPConfig{
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UrlPrefix: meekSetting.Url,
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},
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}
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request := &assembly.Config{
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Assembler: serial.ToTypedMessage(simpleAssembler),
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Roundtripper: serial.ToTypedMessage(httprtSetting),
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}
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constructedSetting := &internet.MemoryStreamConfig{
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ProtocolName: "request",
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ProtocolSettings: request,
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SecurityType: streamSettings.SecurityType,
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SecuritySettings: streamSettings.SecuritySettings,
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SocketSettings: streamSettings.SocketSettings,
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}
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return internet.Dial(ctx, dest, constructedSetting)
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}
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func meekListen(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, callback internet.ConnHandler) (internet.Listener, error) {
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meekSetting := streamSettings.ProtocolSettings.(*Config)
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simpleAssembler := &simple.ServerConfig{MaxWriteSize: 65536}
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httprtSetting := &httprt.ServerConfig{NoDecodingSessionTag: true, Http: &httprt.HTTPConfig{UrlPrefix: meekSetting.Url}}
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request := &assembly.Config{
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Assembler: serial.ToTypedMessage(simpleAssembler),
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Roundtripper: serial.ToTypedMessage(httprtSetting),
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}
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constructedSetting := &internet.MemoryStreamConfig{
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ProtocolName: "request",
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ProtocolSettings: request,
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SecurityType: streamSettings.SecurityType,
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SecuritySettings: streamSettings.SecuritySettings,
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SocketSettings: streamSettings.SocketSettings,
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}
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return internet.ListenTCP(ctx, address, port, constructedSetting, callback)
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}
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