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22032025-1

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This commit is contained in:
Zeev Diukman 2025-03-22 09:00:41 +00:00
parent 0b5421edc2
commit 5ef25782fe
1 changed files with 48 additions and 16 deletions
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64
reverseproxy.go
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@ -9,22 +9,35 @@ import (
)
type ReverseProxy struct {
context.Context
CtxKey CtxKey
Context context.Context
*httputil.ReverseProxy
}
type CtxKey string
func New(ctx context.Context, host string) *ReverseProxy {
func NewSTD(ctx context.Context, host string) *ReverseProxy {
ctxKey := CtxKey("host")
ctx = context.WithValue(ctx, ctxKey, host)
reverseProxySTDLIB := &httputil.ReverseProxy{
reverseProxySTDLIB := &httputil.ReverseProxy{}
reverseProxy := &ReverseProxy{}
reverseProxy.Context = ctx
reverseProxy.ReverseProxy = reverseProxySTDLIB
return reverseProxy
}
func New(ctx context.Context, host string) *ReverseProxy {
rp := &ReverseProxy{}
rp.CtxKey = CtxKey("host")
rp.Context = context.WithValue(ctx, rp.CtxKey, host)
target, _ := url.Parse(host)
rp.ReverseProxy = &httputil.ReverseProxy{
Director: func(r *http.Request) {
r = r.WithContext(ctx)
hostFromCtx := ctx.Value(ctxKey).(string)
target, _ := url.Parse(hostFromCtx)
r = r.WithContext(rp.Context)
// hostFromCtx := ctx.Value(rp.CtxKey).(string)
targetQuery := target.RawQuery
r.URL.Scheme = target.Scheme
r.URL.Host = target.Host
@ -36,10 +49,8 @@ func New(ctx context.Context, host string) *ReverseProxy {
}
},
}
reverseProxy := &ReverseProxy{}
reverseProxy.Context = ctx
reverseProxy.ReverseProxy = reverseProxySTDLIB
return reverseProxy
return rp
}
func (revereProxy *ReverseProxy) SetContext(ctx context.Context) {
revereProxy.Context = ctx
@ -87,11 +98,32 @@ type JoinURLPathFunc func(*url.URL, *url.URL) (string, string)
// type SingleJoiningSlashFunc func(string, string) string
type DirectorFunc func(*http.Request)
func StripPrefix(r *http.Request, prefix string) *http.Request {
newPath := strings.TrimPrefix(r.URL.Path, prefix)
if newPath == "" {
newPath = "/"
// func StripPrefix(r *http.Request, prefixPath string) *http.Request {
// if prefixPath == "/" {
// newPath := strings.TrimPrefix(r.URL.Path, prefixPath)
// if newPath == "" {
// newPath = "/"
// }
// r.URL.Path = newPath
// }
// return r
// }
func (rp *ReverseProxy) DefaultDirectorFunc(ctx context.Context, ctxKey CtxKey, fn func(*http.Request) *http.Request) {
rp.Director = func(r *http.Request) {
r = fn(r)
r = r.WithContext(rp.Context)
hostFromCtx := ctx.Value(CtxKey("host")).(string)
target, _ := url.Parse(hostFromCtx)
targetQuery := target.RawQuery
r.URL.Scheme = target.Scheme
r.URL.Host = target.Host
r.URL.Path, r.URL.RawPath = JoinURLPath(target, r.URL)
if targetQuery == "" || r.URL.RawQuery == "" {
r.URL.RawQuery = targetQuery + r.URL.RawQuery
} else {
r.URL.RawQuery = targetQuery + "&" + r.URL.RawQuery
}
}
r.URL.Path = newPath
return r
}