mirror of
https://github.com/zitadel/zitadel.git
synced 2024-12-12 19:14:23 +00:00
107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
package http
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
Authorization = "authorization"
|
|
Accept = "accept"
|
|
AcceptLanguage = "accept-language"
|
|
CacheControl = "cache-control"
|
|
ContentType = "content-type"
|
|
ContentLength = "content-length"
|
|
Expires = "expires"
|
|
Location = "location"
|
|
Origin = "origin"
|
|
Pragma = "pragma"
|
|
UserAgentHeader = "user-agent"
|
|
ForwardedFor = "x-forwarded-for"
|
|
XUserAgent = "x-user-agent"
|
|
XGrpcWeb = "x-grpc-web"
|
|
|
|
ContentSecurityPolicy = "content-security-policy"
|
|
XXSSProtection = "x-xss-protection"
|
|
StrictTransportSecurity = "strict-transport-security"
|
|
XFrameOptions = "x-frame-options"
|
|
XContentTypeOptions = "x-content-type-options"
|
|
ReferrerPolicy = "referrer-policy"
|
|
FeaturePolicy = "feature-policy"
|
|
PermissionsPolicy = "permissions-policy"
|
|
|
|
ZitadelOrgID = "x-zitadel-orgid"
|
|
)
|
|
|
|
type key int
|
|
|
|
var (
|
|
httpHeaders key
|
|
remoteAddr key
|
|
)
|
|
|
|
func CopyHeadersToContext(h http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
ctx := context.WithValue(r.Context(), httpHeaders, r.Header)
|
|
ctx = context.WithValue(ctx, remoteAddr, r.RemoteAddr)
|
|
r = r.WithContext(ctx)
|
|
h.ServeHTTP(w, r)
|
|
})
|
|
}
|
|
|
|
func HeadersFromCtx(ctx context.Context) (http.Header, bool) {
|
|
headers, ok := ctx.Value(httpHeaders).(http.Header)
|
|
return headers, ok
|
|
}
|
|
|
|
func RemoteIPFromCtx(ctx context.Context) string {
|
|
ctxHeaders, ok := HeadersFromCtx(ctx)
|
|
if !ok {
|
|
return RemoteAddrFromCtx(ctx)
|
|
}
|
|
forwarded, ok := GetForwardedFor(ctxHeaders)
|
|
if ok {
|
|
return forwarded
|
|
}
|
|
return RemoteAddrFromCtx(ctx)
|
|
}
|
|
|
|
func RemoteIPFromRequest(r *http.Request) net.IP {
|
|
return net.ParseIP(RemoteIPStringFromRequest(r))
|
|
}
|
|
|
|
func RemoteIPStringFromRequest(r *http.Request) string {
|
|
ip, ok := GetForwardedFor(r.Header)
|
|
if ok {
|
|
return ip
|
|
}
|
|
host, _, _ := net.SplitHostPort(r.RemoteAddr)
|
|
return host
|
|
}
|
|
|
|
func GetAuthorization(r *http.Request) string {
|
|
return r.Header.Get(Authorization)
|
|
}
|
|
|
|
func GetOrgID(r *http.Request) string {
|
|
return r.Header.Get(ZitadelOrgID)
|
|
}
|
|
|
|
func GetForwardedFor(headers http.Header) (string, bool) {
|
|
forwarded, ok := headers[ForwardedFor]
|
|
if ok {
|
|
ip := strings.TrimSpace(strings.Split(forwarded[0], ",")[0])
|
|
if ip != "" {
|
|
return ip, true
|
|
}
|
|
}
|
|
return "", false
|
|
}
|
|
|
|
func RemoteAddrFromCtx(ctx context.Context) string {
|
|
ctxRemoteAddr, _ := ctx.Value(remoteAddr).(string)
|
|
return ctxRemoteAddr
|
|
}
|