mirror of
https://github.com/bettercap/bettercap
synced 2025-07-10 15:23:30 -07:00
misc: refactored and ported the plugin system to islazy/plugin.Plugin (huge optimization)
This commit is contained in:
evilsocket
parent
788c8d5994
commit
dd2e8784dc
9 changed files with 374 additions and 335 deletions
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@ -1,129 +1,64 @@
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package modules
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import (
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"io/ioutil"
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"net/http"
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"github.com/bettercap/bettercap/log"
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"github.com/bettercap/bettercap/session"
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"github.com/robertkrimen/otto"
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"github.com/evilsocket/islazy/plugin"
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)
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type HttpProxyScript struct {
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*ProxyScript
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onRequestScript *otto.Script
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onResponseScript *otto.Script
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onCommandScript *otto.Script
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}
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*plugin.Plugin
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func LoadHttpProxyScriptSource(path, source string, sess *session.Session) (err error, s *HttpProxyScript) {
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err, ps := LoadProxyScriptSource(path, source, sess)
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if err != nil {
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return
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}
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s = &HttpProxyScript{
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ProxyScript: ps,
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onRequestScript: nil,
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onResponseScript: nil,
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onCommandScript: nil,
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}
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if s.hasCallback("onRequest") {
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s.onRequestScript, err = s.VM.Compile("", "onRequest(req, res)")
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if err != nil {
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log.Error("Error while compiling onRequest callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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}
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if s.hasCallback("onResponse") {
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s.onResponseScript, err = s.VM.Compile("", "onResponse(req, res)")
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if err != nil {
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log.Error("Error while compiling onResponse callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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}
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if s.hasCallback("onCommand") {
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s.onCommandScript, err = s.VM.Compile("", "onCommand(cmd)")
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if err != nil {
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log.Error("Error while compiling onCommand callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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}
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return
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doOnRequest bool
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doOnResponse bool
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doOnCommand bool
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}
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func LoadHttpProxyScript(path string, sess *session.Session) (err error, s *HttpProxyScript) {
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log.Info("loading proxy script %s ...", path)
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raw, err := ioutil.ReadFile(path)
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plug, err := plugin.Load(path)
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if err != nil {
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return
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}
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return LoadHttpProxyScriptSource(path, string(raw), sess)
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}
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func (s *HttpProxyScript) doRequestDefines(req *http.Request) (err error, jsreq *JSRequest, jsres *JSResponse) {
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jsreq = NewJSRequest(req)
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if err = s.VM.Set("req", jsreq); err != nil {
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log.Error("Error while defining request: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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// define session pointer
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if err = plug.Set("env", sess.Env.Data); err != nil {
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log.Error("Error while defining environment: %+v", err)
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return
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}
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jsres = NewJSResponse(nil)
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if err = s.VM.Set("res", jsres); err != nil {
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log.Error("Error while defining response: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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return
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}
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func (s *HttpProxyScript) doResponseDefines(res *http.Response) (err error, jsreq *JSRequest, jsres *JSResponse) {
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jsreq = NewJSRequest(res.Request)
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if err = s.VM.Set("req", jsreq); err != nil {
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log.Error("Error while defining request: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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// run onLoad if defined
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if plug.HasFunc("onLoad") {
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if _, err = plug.Call("onLoad"); err != nil {
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log.Error("Error while executing onLoad callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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}
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jsres = NewJSResponse(res)
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if err = s.VM.Set("res", jsres); err != nil {
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log.Error("Error while defining response: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return
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}
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return
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}
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func (s *HttpProxyScript) doCommandDefines(cmd string) (err error) {
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if err = s.VM.Set("cmd", cmd); err != nil {
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log.Error("Error while defining cmd: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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s = &HttpProxyScript{
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Plugin: plug,
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doOnRequest: plug.HasFunc("onRequest"),
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doOnResponse: plug.HasFunc("onResponse"),
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doOnCommand: plug.HasFunc("onCommand"),
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}
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return
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}
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func (s *HttpProxyScript) OnRequest(original *http.Request) (jsreq *JSRequest, jsres *JSResponse) {
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var err error
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if s.doOnRequest {
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jsreq := NewJSRequest(original)
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jsres := NewJSResponse(nil)
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if s.onRequestScript != nil {
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s.Lock()
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defer s.Unlock()
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if err, jsreq, jsres = s.doRequestDefines(original); err != nil {
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log.Error("Error while running bootstrap definitions: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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if _, err := s.Call("onRequest", jsreq, jsres); err != nil {
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log.Error("%s", err)
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return nil, nil
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}
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if _, err = s.VM.Run(s.onRequestScript); err != nil {
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log.Error("Error while executing onRequest callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return nil, nil
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}
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if jsreq.WasModified() {
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} else if jsreq.WasModified() {
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jsreq.UpdateHash()
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return jsreq, nil
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} else if jsres.WasModified() {
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@ -136,23 +71,14 @@ func (s *HttpProxyScript) OnRequest(original *http.Request) (jsreq *JSRequest, j
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}
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func (s *HttpProxyScript) OnResponse(res *http.Response) (jsreq *JSRequest, jsres *JSResponse) {
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var err error
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if s.doOnResponse {
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jsreq := NewJSRequest(res.Request)
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jsres := NewJSResponse(res)
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if s.onResponseScript != nil {
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s.Lock()
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defer s.Unlock()
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if err, jsreq, jsres = s.doResponseDefines(res); err != nil {
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log.Error("Error while running bootstrap definitions: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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if _, err := s.Call("onResponse", jsreq, jsres); err != nil {
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log.Error("%s", err)
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return nil, nil
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}
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if _, err = s.VM.Run(s.onResponseScript); err != nil {
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log.Error("Error while executing onRequest callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return nil, nil
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}
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if jsres.WasModified() {
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} else if jsres.WasModified() {
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jsres.UpdateHash()
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return nil, jsres
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}
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@ -162,19 +88,11 @@ func (s *HttpProxyScript) OnResponse(res *http.Response) (jsreq *JSRequest, jsre
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}
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func (s *HttpProxyScript) OnCommand(cmd string) bool {
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if s.onCommandScript != nil {
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s.Lock()
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defer s.Unlock()
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if err := s.doCommandDefines(cmd); err != nil {
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log.Error("Error while running bootstrap onCommand definitions: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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if s.doOnCommand {
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if ret, err := s.Call("onCommand", cmd); err != nil {
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log.Error("Error while executing onCommand callback: %+v", err)
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return false
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}
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if ret, err := s.VM.Run(s.onCommandScript); err != nil {
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log.Error("Error while executing onCommand callback: %s", "\nTraceback:\n "+err.(*otto.Error).String())
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return false
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} else if v, err := ret.ToBoolean(); err == nil {
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} else if v, ok := ret.(bool); ok {
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return v
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}
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}
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