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August 26, 2016 02:08
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package main | |
import ( | |
"fmt" | |
"math/rand" | |
"net/http" | |
"regexp" | |
) | |
func handler(w http.ResponseWriter, r *http.Request) { | |
ua := r.UserAgent() | |
matched, err := regexp.Match("curl", []byte(ua)) | |
// not curl. | |
if (err != nil) || !matched { | |
fmt.Fprintf(w, "Curl to shell, if you dare.") | |
return | |
} | |
// curl. | |
if rand.Intn(6) == 5 { | |
fmt.Fprintf(w, "echo \"bang\"") | |
} else { | |
fmt.Fprintf(w, "echo \"click\"") | |
} | |
} | |
func main() { | |
http.HandleFunc("/", handler) | |
http.ListenAndServe(":8080", nil) | |
} |
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