Fix oauth with streamable mcp servers #547
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This reverts commit 1c92feb.
req.Clone makes a shallow copy of the body so the first call would consume the body completely, making the next call after oauth flow an empty request, this would give us a 400 Bad Request. Keep the body so that we can re-inject it into the original request before re-sending with the token. Fixes docker#485 Signed-off-by: Djordje Lukic <djordje.lukic@docker.com>
krissetto
approved these changes
Oct 17, 2025
trungutt
approved these changes
Oct 17, 2025
findleyr
reviewed
Oct 22, 2025
| var bodyBytes []byte | ||
| if req.Body != nil && req.Body != http.NoBody { | ||
| var err error | ||
| bodyBytes, err = io.ReadAll(req.Body) |
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Hi, @jba referred me here as I'm fixing this in the MCP client implementation.
I think you need to close the body after reading it, as RoundTripper says that RoundTrip must always close the body.
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req.Clone makes a shallow copy of the body so the first call would
consume the body completely, making the next call after oauth flow an
empty request, this would give us a 400 Bad Request.
Keep the body so that we can re-inject it into the original request
before re-sending with the token.
Fixes #485