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feat(inbounds): add Port-with-Fallback inbound type

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Adds a new "portfallback" protocol that emits as a VLESS-TLS inbound
under the hood but is paired with a sidecar table of child inbounds.
Panel auto-builds settings.fallbacks at Xray-config-gen time from the
sidecar — each child's listen+port becomes the fallback dest, with
SNI/ALPN/path/xver match criteria pulled from the row. No more typing
loopback ports by hand or keeping settings.fallbacks in sync.

Backend: new FallbackService (Get/SetChildren, BuildFallbacksJSON);
two new routes (GET/POST /panel/api/inbounds/:id/fallbackChildren);
xray.GetXrayConfig injects fallbacks for PortFallback inbounds; the
inbound model emits protocol="vless" so Xray accepts the config.

Frontend: PORTFALLBACK joins the protocol dropdown; selecting it
shows the standard VLESS controls plus a Fallback Children table
(inbound picker + per-row SNI/ALPN/path/xver). Children are loaded
on edit and replaced atomically on save.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
MHSanaei
2026-05-17 07:44:01 +02:00
parent 2bcf287cf1
commit 62fd9f9d82
10 changed files with 380 additions and 28 deletions
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database/model/model.go
+16 -13
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@@ -14,16 +14,17 @@ type Protocol string
// Protocol constants for different Xray inbound protocols
const (
VMESS Protocol = "vmess"
VLESS Protocol = "vless"
Tunnel Protocol = "tunnel"
HTTP Protocol = "http"
Trojan Protocol = "trojan"
Shadowsocks Protocol = "shadowsocks"
Mixed Protocol = "mixed"
WireGuard Protocol = "wireguard"
Hysteria Protocol = "hysteria"
Hysteria2 Protocol = "hysteria2"
VMESS Protocol = "vmess"
VLESS Protocol = "vless"
Tunnel Protocol = "tunnel"
HTTP Protocol = "http"
Trojan Protocol = "trojan"
Shadowsocks Protocol = "shadowsocks"
Mixed Protocol = "mixed"
WireGuard Protocol = "wireguard"
Hysteria Protocol = "hysteria"
Hysteria2 Protocol = "hysteria2"
PortFallback Protocol = "portfallback"
)
// IsHysteria returns true for both "hysteria" and "hysteria2".
@@ -100,16 +101,18 @@ type ApiToken struct {
// GenXrayInboundConfig generates an Xray inbound configuration from the Inbound model.
func (i *Inbound) GenXrayInboundConfig() *xray.InboundConfig {
listen := i.Listen
// Default to 0.0.0.0 (all interfaces) when listen is empty
// This ensures proper dual-stack IPv4/IPv6 binding in systems where bindv6only=0
if listen == "" {
listen = "0.0.0.0"
}
listen = fmt.Sprintf("\"%v\"", listen)
protocol := string(i.Protocol)
if i.Protocol == PortFallback {
protocol = string(VLESS)
}
return &xray.InboundConfig{
Listen: json_util.RawMessage(listen),
Port: i.Port,
Protocol: string(i.Protocol),
Protocol: protocol,
Settings: json_util.RawMessage(i.Settings),
StreamSettings: json_util.RawMessage(i.StreamSettings),
Tag: i.Tag,