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Ludovic Fernandez 2020-05-11 12:06:07 +02:00 • committed by GitHub
parent f12c27aa7c
commit 328611c619
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157 changed files with 489 additions and 508 deletions
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14
pkg/ip/strategy.go
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@ -10,15 +10,15 @@ const (
xForwardedFor = "X-Forwarded-For"
)
// Strategy a strategy for IP selection
// Strategy a strategy for IP selection.
type Strategy interface {
GetIP(req *http.Request) string
}
// RemoteAddrStrategy a strategy that always return the remote address
// RemoteAddrStrategy a strategy that always return the remote address.
type RemoteAddrStrategy struct{}
// GetIP returns the selected IP
// GetIP returns the selected IP.
func (s *RemoteAddrStrategy) GetIP(req *http.Request) string {
ip, _, err := net.SplitHostPort(req.RemoteAddr)
if err != nil {
@ -27,12 +27,12 @@ func (s *RemoteAddrStrategy) GetIP(req *http.Request) string {
return ip
}
// DepthStrategy a strategy based on the depth inside the X-Forwarded-For from right to left
// DepthStrategy a strategy based on the depth inside the X-Forwarded-For from right to left.
type DepthStrategy struct {
Depth int
}
// GetIP return the selected IP
// GetIP return the selected IP.
func (s *DepthStrategy) GetIP(req *http.Request) string {
xff := req.Header.Get(xForwardedFor)
xffs := strings.Split(xff, ",")
@ -44,12 +44,12 @@ func (s *DepthStrategy) GetIP(req *http.Request) string {
}
// CheckerStrategy a strategy based on an IP Checker
// allows to check that addresses are in a trusted IPs
// allows to check that addresses are in a trusted IPs.
type CheckerStrategy struct {
Checker *Checker
}
// GetIP return the selected IP
// GetIP return the selected IP.
func (s *CheckerStrategy) GetIP(req *http.Request) string {
if s.Checker == nil {
return ""