bettercap/modules/http_server/http_server.go
2024-08-09 18:19:21 +02:00

129 lines
2.8 KiB
Go

package http_server
import (
"context"
"fmt"
"net/http"
"strings"
"time"
"github.com/bettercap/bettercap/v2/session"
"github.com/evilsocket/islazy/tui"
)
type HttpServer struct {
session.SessionModule
server *http.Server
}
func NewHttpServer(s *session.Session) *HttpServer {
mod := &HttpServer{
SessionModule: session.NewSessionModule("http.server", s),
server: &http.Server{},
}
mod.AddParam(session.NewStringParameter("http.server.path",
".",
"",
"Server folder."))
mod.AddParam(session.NewStringParameter("http.server.address",
session.ParamIfaceAddress,
session.IPv4Validator,
"Address to bind the http server to."))
mod.AddParam(session.NewIntParameter("http.server.port",
"80",
"Port to bind the http server to."))
mod.AddHandler(session.NewModuleHandler("http.server on", "",
"Start httpd server.",
func(args []string) error {
return mod.Start()
}))
mod.AddHandler(session.NewModuleHandler("http.server off", "",
"Stop httpd server.",
func(args []string) error {
return mod.Stop()
}))
return mod
}
func (mod *HttpServer) Name() string {
return "http.server"
}
func (mod *HttpServer) Description() string {
return "A simple HTTP server, to be used to serve files and scripts across the network."
}
func (mod *HttpServer) Author() string {
return "Simone Margaritelli <evilsocket@gmail.com>"
}
func (mod *HttpServer) Configure() error {
var err error
var path string
var address string
var port int
if mod.Running() {
return session.ErrAlreadyStarted(mod.Name())
}
if err, path = mod.StringParam("http.server.path"); err != nil {
return err
}
router := http.NewServeMux()
fileServer := http.FileServer(http.Dir(path))
router.HandleFunc("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
mod.Debug("%s %s %s%s", tui.Bold(strings.Split(r.RemoteAddr, ":")[0]), r.Method, r.Host, r.URL.Path)
if r.URL.Path == "/proxy.pac" || r.URL.Path == "/wpad.dat" {
w.Header().Set("Content-Type", "application/x-ns-proxy-autoconfig")
}
fileServer.ServeHTTP(w, r)
}))
mod.server.Handler = router
if err, address = mod.StringParam("http.server.address"); err != nil {
return err
}
if err, port = mod.IntParam("http.server.port"); err != nil {
return err
}
mod.server.Addr = fmt.Sprintf("%s:%d", address, port)
return nil
}
func (mod *HttpServer) Start() error {
if err := mod.Configure(); err != nil {
return err
}
return mod.SetRunning(true, func() {
var err error
mod.Info("starting on http://%s", mod.server.Addr)
if err = mod.server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
mod.Error("%v", err)
mod.Stop()
}
})
}
func (mod *HttpServer) Stop() error {
return mod.SetRunning(false, func() {
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
mod.server.Shutdown(ctx)
})
}