routes.go
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package controllers
import (
"fmt"
"net/http"
"strconv"
"congo.gg/dev/internal"
"congo.gg/dev/models"
"congo.gg/pkg/application"
)
func Routes() (string, *RoutesController) {
return "routes", &RoutesController{}
}
type RoutesController struct {
application.BaseController
}
func (c *RoutesController) Setup(app *application.App) {
c.BaseController.Setup(app)
app.Handle("POST /routes/add", app.Method(c, "AddRoute", RequireAuth()))
app.Handle("POST /routes/{id}/update", app.Method(c, "UpdateRoute", RequireAuth()))
app.Handle("POST /routes/{id}/delete", app.Method(c, "DeleteRoute", RequireAuth()))
app.Handle("GET /routes/{id}/check", app.Method(c, "CheckDNS", RequireAuth()))
}
func parsePort(s string) (int, error) {
port, err := strconv.Atoi(s)
if err != nil {
return 0, fmt.Errorf("invalid port number")
}
if port < 1 || port > 65535 {
return 0, fmt.Errorf("port must be between 1 and 65535")
}
return port, nil
}
// Handlers
func (c *RoutesController) AddRoute(w http.ResponseWriter, r *http.Request) {
host := r.FormValue("host")
target := r.FormValue("target")
portStr := r.FormValue("port")
if host == "" || target == "" || portStr == "" {
c.RenderError(w, r, fmt.Errorf("host, target, and port are required"))
return
}
port, err := parsePort(portStr)
if err != nil {
c.RenderError(w, r, err)
return
}
existing, _ := models.Domains.First("WHERE Host = ?", host)
if existing != nil {
c.RenderError(w, r, fmt.Errorf("route for %s already exists", host))
return
}
domain := &models.Domain{
Host: host,
Target: target,
Port: port,
Active: true,
}
if _, err := models.Domains.Insert(domain); err != nil {
c.RenderError(w, r, err)
return
}
models.LogEntries.Insert(&models.LogEntry{
Type: "add_route",
Summary: fmt.Sprintf("Added route %s -> %s:%d", host, target, port),
Author: "system",
})
c.Refresh(w, r)
}
func (c *RoutesController) UpdateRoute(w http.ResponseWriter, r *http.Request) {
domain, err := models.Domains.Get(r.PathValue("id"))
if err != nil {
c.RenderError(w, r, err)
return
}
if domain.System {
c.RenderError(w, r, fmt.Errorf("cannot edit system route"))
return
}
host := r.FormValue("host")
target := r.FormValue("target")
portStr := r.FormValue("port")
if host == "" || target == "" || portStr == "" {
c.RenderError(w, r, fmt.Errorf("host, target, and port are required"))
return
}
port, err := parsePort(portStr)
if err != nil {
c.RenderError(w, r, err)
return
}
// Check for host collision with another route
if host != domain.Host {
existing, _ := models.Domains.First("WHERE Host = ? AND ID != ?", host, domain.ID)
if existing != nil {
c.RenderError(w, r, fmt.Errorf("route for %s already exists", host))
return
}
}
domain.Host = host
domain.Target = target
domain.Port = port
models.Domains.Update(domain)
models.LogEntries.Insert(&models.LogEntry{
Type: "update_route",
Summary: fmt.Sprintf("Updated route %s -> %s:%d", host, target, port),
Author: "system",
})
c.Refresh(w, r)
}
func (c *RoutesController) DeleteRoute(w http.ResponseWriter, r *http.Request) {
domain, err := models.Domains.Get(r.PathValue("id"))
if err != nil {
c.RenderError(w, r, err)
return
}
if domain.System {
c.RenderError(w, r, fmt.Errorf("cannot delete system route"))
return
}
models.Domains.Delete(domain)
models.LogEntries.Insert(&models.LogEntry{
Type: "delete_route",
Summary: fmt.Sprintf("Removed route %s", domain.Host),
Author: "system",
})
c.Refresh(w, r)
}
func (c *RoutesController) CheckDNS(w http.ResponseWriter, r *http.Request) {
domain, _ := models.Domains.Get(r.PathValue("id"))
if domain == nil {
w.Header().Set("Content-Type", "text/html")
return // empty response — domain was deleted
}
c.Render(w, r, "dns-check.html", internal.CheckDomainDNS(domain.Host))
}