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fix SubdomainRedirect on loopbacks

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fix: https://github.com/kataras/iris/issues/1584#issuecomment-674001454
This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-08-14 14:14:29 +03:00
parent dc35391ceb
commit 9f0872719f
3 changed files with 38 additions and 17 deletions
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14
core/netutil/addr.go
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@@ -21,7 +21,8 @@ func init() {
// IsLoopbackSubdomain checks if a string is a subdomain or a hostname.
var IsLoopbackSubdomain = func(s string) bool {
if strings.HasPrefix(s, "127.0.0.1:") || s == "127.0.0.1" {
if strings.HasPrefix(s, "127.0.0.1:") || s == "127.0.0.1" ||
strings.HasPrefix(s, "0.0.0.0:") || s == "0.0.0.0" /* let's resolve that without regex (see below)*/ {
return true
}
@@ -34,6 +35,17 @@ var IsLoopbackSubdomain = func(s string) bool {
return valid
}
// GetLoopbackSubdomain returns the part of the loopback subdomain.
func GetLoopbackSubdomain(s string) string {
if strings.HasPrefix(s, "127.0.0.1:") || s == "127.0.0.1" ||
strings.HasPrefix(s, "0.0.0.0:") || s == "0.0.0.0" /* let's resolve that without regex (see below)*/ {
return s
}
ss := loopbackSubRegex.FindString(s)
return ss
}
// IsLoopbackHost tries to catch the local addresses when a developer
// navigates to a subdomain that its hostname differs from Application.Config.Addr.
// Developer may want to override this function to return always false