mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-11-29 21:31:02 +00:00
109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package httputil
|
|
|
|
import (
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
// IsHttps is a helper function that evaluates the http.Request
|
|
// and returns True if the Request uses HTTPS. It is able to detect,
|
|
// using the X-Forwarded-Proto, if the original request was HTTPS and
|
|
// routed through a reverse proxy with SSL termination.
|
|
func IsHttps(r *http.Request) bool {
|
|
switch {
|
|
case r.URL.Scheme == "https":
|
|
return true
|
|
case r.TLS != nil:
|
|
return true
|
|
case strings.HasPrefix(r.Proto, "HTTPS"):
|
|
return true
|
|
case r.Header.Get("X-Forwarded-Proto") == "https":
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
// GetScheme is a helper function that evaluates the http.Request
|
|
// and returns the scheme, HTTP or HTTPS. It is able to detect,
|
|
// using the X-Forwarded-Proto, if the original request was HTTPS
|
|
// and routed through a reverse proxy with SSL termination.
|
|
func GetScheme(r *http.Request) string {
|
|
switch {
|
|
case r.URL.Scheme == "https":
|
|
return "https"
|
|
case r.TLS != nil:
|
|
return "https"
|
|
case strings.HasPrefix(r.Proto, "HTTPS"):
|
|
return "https"
|
|
case r.Header.Get("X-Forwarded-Proto") == "https":
|
|
return "https"
|
|
default:
|
|
return "http"
|
|
}
|
|
}
|
|
|
|
// GetHost is a helper function that evaluates the http.Request
|
|
// and returns the hostname. It is able to detect, using the
|
|
// X-Forarded-For header, the original hostname when routed
|
|
// through a reverse proxy.
|
|
func GetHost(r *http.Request) string {
|
|
switch {
|
|
case len(r.Host) != 0:
|
|
return r.Host
|
|
case len(r.URL.Host) != 0:
|
|
return r.URL.Host
|
|
case len(r.Header.Get("X-Forwarded-For")) != 0:
|
|
return r.Header.Get("X-Forwarded-For")
|
|
case len(r.Header.Get("X-Host")) != 0:
|
|
return r.Header.Get("X-Host")
|
|
case len(r.Header.Get("XFF")) != 0:
|
|
return r.Header.Get("XFF")
|
|
default:
|
|
return "localhost:8080"
|
|
}
|
|
}
|
|
|
|
// GetURL is a helper function that evaluates the http.Request
|
|
// and returns the URL as a string. Only the scheme + hostname
|
|
// are included; the path is excluded.
|
|
func GetURL(r *http.Request) string {
|
|
return GetScheme(r) + "://" + GetHost(r)
|
|
}
|
|
|
|
// GetCookie retrieves and verifies the cookie value.
|
|
func GetCookie(r *http.Request, name string) (value string) {
|
|
cookie, err := r.Cookie(name)
|
|
if err != nil {
|
|
return
|
|
}
|
|
value = cookie.Value
|
|
return
|
|
}
|
|
|
|
// SetCookie writes the cookie value.
|
|
func SetCookie(w http.ResponseWriter, r *http.Request, name, value string) {
|
|
cookie := http.Cookie{
|
|
Name: name,
|
|
Value: value,
|
|
Path: "/",
|
|
Domain: r.URL.Host,
|
|
HttpOnly: true,
|
|
Secure: IsHttps(r),
|
|
}
|
|
|
|
http.SetCookie(w, &cookie)
|
|
}
|
|
|
|
// DelCookie deletes a cookie.
|
|
func DelCookie(w http.ResponseWriter, r *http.Request, name string) {
|
|
cookie := http.Cookie{
|
|
Name: name,
|
|
Value: "deleted",
|
|
Path: "/",
|
|
Domain: r.URL.Host,
|
|
MaxAge: -1,
|
|
}
|
|
|
|
http.SetCookie(w, &cookie)
|
|
}
|