mirror of
https://github.com/yunginnanet/HellPot
synced 2024-06-28 08:40:48 +00:00
88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
package main
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import (
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"github.com/gorilla/mux"
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"github.com/yunginnanet/HellPot/src/config"
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"io"
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"net/http"
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"sync"
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"time"
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)
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// DefaultHoneypot is an http.HandlerFunc that serves random HTML from the
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// DefaultMarkovMap, 100KB at a time.
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var DefaultHoneypot = NewHoneypot(DefaultMarkovMap, 100*1<<10)
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// NewHoneypot creates an http.HandlerFunc from a MarkovMap
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func NewHoneypot(mm MarkovMap, buffsize int) http.HandlerFunc {
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var pool sync.Pool
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getBuffer := func() []byte {
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x := pool.Get()
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if buf, ok := x.([]byte); ok {
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return buf
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}
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return make([]byte, buffsize)
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}
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putBuffer := func(buf []byte) {
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pool.Put(buf)
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}
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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var inscope bool = false
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if vars["path"] == "robots.txt" {
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var paths string
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for _, p := range config.Paths {
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paths = paths + "Disallow: " + p + "\r\n"
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}
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log.Debug().
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Str("UserAgent", r.UserAgent()).
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Strs("REMOTE_ADDR", r.Header.Values("X-Real-IP")).
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Strs("PATHS", config.Paths).
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Msg("SERVE_ROBOTS")
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if _, err := io.WriteString(w, robotsTxt+paths+"\r\n"); err != nil {
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log.Error().Err(err).Msg("SERVE_ROBOTS_ERROR")
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}
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return
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}
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for _, p := range config.Paths {
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if vars["path"] == p {
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inscope = true
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}
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}
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if !inscope {
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log.Warn().
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Str("UserAgent", r.UserAgent()).
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Str("URL", r.URL.RequestURI()).
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Strs("REMOTE_ADDR", r.Header.Values("X-Real-IP")).
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Msg("Request outside of configured scope!")
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return
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}
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s := time.Now()
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log.Info().
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Str("UserAgent", r.UserAgent()).
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Interface("URL", r.URL.RequestURI()).
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Strs("REMOTE_ADDR", r.Header.Values("X-Real-IP")).
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Msg("SERVE")
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buf := getBuffer()
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defer putBuffer(buf)
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io.WriteString(w, "<HTML>\n<BODY>\n")
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n, _ := io.CopyBuffer(w, mm, buf)
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log.Info().
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Str("UserAgent", r.UserAgent()).
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Interface("URL", r.URL.RequestURI()).
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Strs("REMOTE_ADDR", r.Header.Values("X-Real-IP")).
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Int64("BYTES", n).
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Dur("DURATION", time.Since(s)).
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Msg("FINISH")
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}
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}
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