Files
lmvpn_client/internal/model/model.go
T
kevin 96278fdf37 拆分服务器地址配置为独立字段,支持CDN优选IP故障切换,新增重置数据库按钮
- model: ServerURL → Protocol/Host/ServerIPs/Port/Path 五个字段
- db: 自动迁移旧 server_url 列到新表结构
- ui: 配置窗口改为横向分组布局,保存失败时不再关闭窗口
- transport: 支持 TLS SNI + Host 头覆盖以连接 CDN 边缘节点
- session: CDN IP 列表连接失败自动切换到下一个
- 新增重置数据库按钮,一键清空所有配置
2026-07-06 20:58:11 +08:00

121 lines
3.6 KiB
Go

// Package model defines the data structures persisted in SQLite and
// exchanged between application layers.
package model
import (
"fmt"
"strings"
"time"
)
// AuthMode selects how the client authenticates to a server.
type AuthMode string
const (
AuthModeBoth AuthMode = "both" // try JWT, fall back to password
AuthModeJWT AuthMode = "jwt" // HTTP login then ?token=
AuthModePassword AuthMode = "password" // {type:auth} first message
)
// RoutingMode selects which traffic goes through the VPN tunnel.
type RoutingMode string
const (
RoutingFull RoutingMode = "full" // 0.0.0.0/0 via tunnel
RoutingSplit RoutingMode = "split" // only VPN subnet via tunnel
RoutingCustom RoutingMode = "custom" // user-specified CIDRs
)
// ServerProfile is a saved VPN server configuration.
type ServerProfile struct {
ID int64 `json:"id"`
Name string `json:"name"`
Protocol string `json:"protocol"` // "wss" (default) or "ws"
Host string `json:"host"` // hostname for SNI, e.g. vpn.example.com
ServerIPs string `json:"server_ips"` // comma-separated CDN IPs, first used by default
Port int `json:"port"` // default 443
Path string `json:"path"` // default "/ws"
Username string `json:"username"`
AuthMode AuthMode `json:"auth_mode"`
RoutingMode RoutingMode `json:"routing_mode"`
CustomCIDRs string `json:"custom_cidrs"` // comma-separated, for RoutingCustom
MTUOverride int `json:"mtu_override"` // 0 = use server MTU
AutoConnect bool `json:"auto_connect"`
CreatedAt time.Time `json:"created_at"`
LastConnectedAt *time.Time `json:"last_connected_at"`
}
// BuildServerURL constructs the WebSocket URL from the profile fields.
// If ip is provided, it is used as the host portion instead of Host
// (for CDN edge IP connections).
// Default ports are omitted from the URL (443 for wss, 80 for ws).
func (p *ServerProfile) BuildServerURL(ip ...string) string {
protocol := p.Protocol
if protocol == "" {
protocol = "wss"
}
host := p.Host
if len(ip) > 0 && ip[0] != "" {
host = ip[0]
}
port := p.Port
if port == 0 {
port = 443
}
path := p.Path
if path == "" {
path = "/ws"
}
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
isDefaultPort := (protocol == "wss" && port == 443) || (protocol == "ws" && port == 80)
if isDefaultPort {
return fmt.Sprintf("%s://%s%s", protocol, host, path)
}
return fmt.Sprintf("%s://%s:%d%s", protocol, host, port, path)
}
// GetServerIPList parses ServerIPs into a string slice.
func (p *ServerProfile) GetServerIPList() []string {
if p.ServerIPs == "" {
return nil
}
parts := strings.Split(p.ServerIPs, ",")
var out []string
for _, part := range parts {
s := strings.TrimSpace(part)
if s != "" {
out = append(out, s)
}
}
return out
}
// ConnectionStatus records the outcome of a connection attempt.
type ConnectionStatus string
const (
StatusConnected ConnectionStatus = "connected"
StatusDisconnected ConnectionStatus = "disconnected"
StatusError ConnectionStatus = "error"
)
// ConnectionLog records a single VPN session.
type ConnectionLog struct {
ID int64 `json:"id"`
ProfileID int64 `json:"profile_id"`
StartedAt time.Time `json:"started_at"`
EndedAt *time.Time `json:"ended_at"`
AssignedIP string `json:"assigned_ip"`
RxBytes int64 `json:"rx_bytes"`
TxBytes int64 `json:"tx_bytes"`
Status ConnectionStatus `json:"status"`
ErrorMsg string `json:"error_msg"`
}