Use a custom LimitedReader instead of http.MaxBytesReader

Fixes compatibility with older Go versions.
This commit is contained in:
r 2023-09-24 10:38:28 +00:00
parent cba88f94a2
commit 6707a01a84
1 changed files with 9 additions and 5 deletions

View File

@ -9,15 +9,19 @@ import (
type lr struct { type lr struct {
io.ReadCloser io.ReadCloser
n int64
r *http.Request r *http.Request
} }
func (r *lr) Read(p []byte) (n int, err error) { func (r *lr) Read(p []byte) (n int, err error) {
n, err = r.ReadCloser.Read(p) if r.n <= 0 {
// override the generic error returned by the MaxBytesReader return 0, fmt.Errorf("%s \"%s\": response body too large", r.r.Method, r.r.URL)
if _, ok := err.(*http.MaxBytesError); ok {
err = fmt.Errorf("%s \"%s\": response body too large", r.r.Method, r.r.URL)
} }
if int64(len(p)) > r.n {
p = p[0:r.n]
}
n, err = r.ReadCloser.Read(p)
r.n -= int64(n)
return return
} }
@ -28,7 +32,7 @@ type transport struct {
func (t *transport) RoundTrip(r *http.Request) (*http.Response, error) { func (t *transport) RoundTrip(r *http.Request) (*http.Response, error) {
resp, err := t.t.RoundTrip(r) resp, err := t.t.RoundTrip(r)
if resp != nil && resp.Body != nil { if resp != nil && resp.Body != nil {
resp.Body = &lr{http.MaxBytesReader(nil, resp.Body, 8<<20), r} resp.Body = &lr{resp.Body, 8 << 20, r}
} }
return resp, err return resp, err
} }