Use a custom LimitedReader instead of http.MaxBytesReader
Fixes compatibility with older Go versions.
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parent
cba88f94a2
commit
6707a01a84
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@ -9,15 +9,19 @@ import (
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type lr struct {
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io.ReadCloser
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n int64
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r *http.Request
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}
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func (r *lr) Read(p []byte) (n int, err error) {
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n, err = r.ReadCloser.Read(p)
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// override the generic error returned by the MaxBytesReader
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if _, ok := err.(*http.MaxBytesError); ok {
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err = fmt.Errorf("%s \"%s\": response body too large", r.r.Method, r.r.URL)
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if r.n <= 0 {
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return 0, fmt.Errorf("%s \"%s\": response body too large", r.r.Method, r.r.URL)
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}
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if int64(len(p)) > r.n {
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p = p[0:r.n]
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}
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n, err = r.ReadCloser.Read(p)
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r.n -= int64(n)
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return
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}
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@ -28,7 +32,7 @@ type transport struct {
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func (t *transport) RoundTrip(r *http.Request) (*http.Response, error) {
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resp, err := t.t.RoundTrip(r)
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if resp != nil && resp.Body != nil {
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resp.Body = &lr{http.MaxBytesReader(nil, resp.Body, 8<<20), r}
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resp.Body = &lr{resp.Body, 8 << 20, r}
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}
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return resp, err
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}
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