ffuff/pkg/ffuf/response.go
h1x 571b3397db
Fix a recursion bug when redirected to the same domain and a port was specified (#377) (#522)
This fixes the situation where the URL port is specified from the
command line and the "Location" redirection header contains an
absolute URL path.
2022-03-06 18:14:52 +02:00

91 lines
2.0 KiB
Go

package ffuf
import (
"net/http"
"net/url"
"time"
)
// Response struct holds the meaningful data returned from request and is meant for passing to filters
type Response struct {
StatusCode int64
Headers map[string][]string
Data []byte
ContentLength int64
ContentWords int64
ContentLines int64
ContentType string
Cancelled bool
Request *Request
Raw string
ResultFile string
Time time.Duration
}
// GetRedirectLocation returns the redirect location for a 3xx redirect HTTP response
func (resp *Response) GetRedirectLocation(absolute bool) string {
redirectLocation := ""
if resp.StatusCode >= 300 && resp.StatusCode <= 399 {
if loc, ok := resp.Headers["Location"]; ok {
if len(loc) > 0 {
redirectLocation = loc[0]
}
}
}
if absolute {
redirectUrl, err := url.Parse(redirectLocation)
if err != nil {
return redirectLocation
}
baseUrl, err := url.Parse(resp.Request.Url)
if err != nil {
return redirectLocation
}
if redirectUrl.IsAbs() && UrlEqual(redirectUrl, baseUrl) {
redirectLocation = redirectUrl.Scheme + "://" +
baseUrl.Host + redirectUrl.Path
} else {
redirectLocation = baseUrl.ResolveReference(redirectUrl).String()
}
}
return redirectLocation
}
func UrlEqual(url1, url2 *url.URL) bool {
if url1.Hostname() != url2.Hostname() {
return false
}
if url1.Scheme != url2.Scheme {
return false
}
p1, p2 := getUrlPort(url1), getUrlPort(url2)
return p1 == p2
}
func getUrlPort(url *url.URL) string {
var portMap = map[string]string{
"http": "80",
"https": "443",
}
p := url.Port()
if p == "" {
p = portMap[url.Scheme]
}
return p
}
func NewResponse(httpresp *http.Response, req *Request) Response {
var resp Response
resp.Request = req
resp.StatusCode = int64(httpresp.StatusCode)
resp.ContentType = httpresp.Header.Get("Content-Type")
resp.Headers = httpresp.Header
resp.Cancelled = false
resp.Raw = ""
resp.ResultFile = ""
return resp
}