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Philip Conrad
4e01537fe7
This PR fixes an issue where an OPA running authorization policies would
be unable to handle gzipped request bodies.
Example OPA CLI setup:
opa run -s --authorization=basic
Example request:
echo -n '{}' | gzip | curl -H "Content-Encoding: gzip" --data-binary @- http://127.0.0.1:8181/v1/data
This would result in unhelpful error messages, like:
```json
{
"code": "invalid_parameter",
"message": "invalid character '\\x1f' looking for beginning of value"
}
```
The cause was that the request body handling system in the
`server/authorizer` package did not take gzipped payloads into
account. The fix was to borrow the gzip request body handling function
from `server/server.go`, to transparently decompress the body when
needed.
Fixes: #6804
Signed-off-by: Philip Conrad <philipaconrad@gmail.com>