/
https_proxy.go
173 lines (143 loc) · 5.05 KB
/
https_proxy.go
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package https_proxy
import (
"github.com/bettercap/bettercap/modules/http_proxy"
"github.com/bettercap/bettercap/session"
"github.com/bettercap/bettercap/tls"
"github.com/evilsocket/islazy/fs"
"github.com/evilsocket/islazy/str"
)
type HttpsProxy struct {
session.SessionModule
proxy *http_proxy.HTTPProxy
}
func NewHttpsProxy(s *session.Session) *HttpsProxy {
mod := &HttpsProxy{
SessionModule: session.NewSessionModule("https.proxy", s),
proxy: http_proxy.NewHTTPProxy(s),
}
mod.AddParam(session.NewIntParameter("https.port",
"443",
"HTTPS port to redirect when the proxy is activated."))
mod.AddParam(session.NewStringParameter("https.proxy.address",
session.ParamIfaceAddress,
session.IPv4Validator,
"Address to bind the HTTPS proxy to."))
mod.AddParam(session.NewIntParameter("https.proxy.port",
"8083",
"Port to bind the HTTPS proxy to."))
mod.AddParam(session.NewBoolParameter("https.proxy.sslstrip",
"false",
"Enable or disable SSL stripping."))
mod.AddParam(session.NewStringParameter("https.proxy.injectjs",
"",
"",
"URL, path or javascript code to inject into every HTML page."))
mod.AddParam(session.NewStringParameter("https.proxy.certificate",
"~/.bettercap-ca.cert.pem",
"",
"HTTPS proxy certification authority TLS certificate file."))
mod.AddParam(session.NewStringParameter("https.proxy.key",
"~/.bettercap-ca.key.pem",
"",
"HTTPS proxy certification authority TLS key file."))
tls.CertConfigToModule("https.proxy", &mod.SessionModule, tls.DefaultSpoofConfig)
mod.AddParam(session.NewStringParameter("https.proxy.script",
"",
"",
"Path of a proxy JS script."))
mod.AddParam(session.NewStringParameter("https.proxy.blacklist", "", "",
"Comma separated list of hostnames to skip while proxying (wildcard expressions can be used)."))
mod.AddParam(session.NewStringParameter("https.proxy.whitelist", "", "",
"Comma separated list of hostnames to proxy if the blacklist is used (wildcard expressions can be used)."))
mod.AddHandler(session.NewModuleHandler("https.proxy on", "",
"Start HTTPS proxy.",
func(args []string) error {
return mod.Start()
}))
mod.AddHandler(session.NewModuleHandler("https.proxy off", "",
"Stop HTTPS proxy.",
func(args []string) error {
return mod.Stop()
}))
return mod
}
func (mod *HttpsProxy) Name() string {
return "https.proxy"
}
func (mod *HttpsProxy) Description() string {
return "A full featured HTTPS proxy that can be used to inject malicious contents into webpages, all HTTPS traffic will be redirected to it."
}
func (mod *HttpsProxy) Author() string {
return "Simone Margaritelli <evilsocket@gmail.com>"
}
func (mod *HttpsProxy) Configure() error {
var err error
var address string
var proxyPort int
var httpPort int
var scriptPath string
var certFile string
var keyFile string
var stripSSL bool
var jsToInject string
var whitelist string
var blacklist string
if mod.Running() {
return session.ErrAlreadyStarted(mod.Name())
} else if err, address = mod.StringParam("https.proxy.address"); err != nil {
return err
} else if err, proxyPort = mod.IntParam("https.proxy.port"); err != nil {
return err
} else if err, httpPort = mod.IntParam("https.port"); err != nil {
return err
} else if err, stripSSL = mod.BoolParam("https.proxy.sslstrip"); err != nil {
return err
} else if err, certFile = mod.StringParam("https.proxy.certificate"); err != nil {
return err
} else if certFile, err = fs.Expand(certFile); err != nil {
return err
} else if err, keyFile = mod.StringParam("https.proxy.key"); err != nil {
return err
} else if keyFile, err = fs.Expand(keyFile); err != nil {
return err
} else if err, scriptPath = mod.StringParam("https.proxy.script"); err != nil {
return err
} else if err, jsToInject = mod.StringParam("https.proxy.injectjs"); err != nil {
return err
} else if err, blacklist = mod.StringParam("https.proxy.blacklist"); err != nil {
return err
} else if err, whitelist = mod.StringParam("https.proxy.whitelist"); err != nil {
return err
}
mod.proxy.Blacklist = str.Comma(blacklist)
mod.proxy.Whitelist = str.Comma(whitelist)
if !fs.Exists(certFile) || !fs.Exists(keyFile) {
err, cfg := tls.CertConfigFromModule("https.proxy", mod.SessionModule)
if err != nil {
return err
}
mod.Debug("%+v", cfg)
mod.Info("generating proxy certification authority TLS key to %s", keyFile)
mod.Info("generating proxy certification authority TLS certificate to %s", certFile)
if err := tls.Generate(cfg, certFile, keyFile, true); err != nil {
return err
}
} else {
mod.Info("loading proxy certification authority TLS key from %s", keyFile)
mod.Info("loading proxy certification authority TLS certificate from %s", certFile)
}
return mod.proxy.ConfigureTLS(address, proxyPort, httpPort, scriptPath, certFile, keyFile, jsToInject, stripSSL)
}
func (mod *HttpsProxy) Start() error {
if err := mod.Configure(); err != nil {
return err
}
return mod.SetRunning(true, func() {
mod.proxy.Start()
})
}
func (mod *HttpsProxy) Stop() error {
return mod.SetRunning(false, func() {
mod.proxy.Stop()
})
}