jesse-r-s-hines commented on issue #10681:
URL: https://github.com/apache/apisix/issues/10681#issuecomment-1904299908
Currently, if you do not specify `input_format` and there's no
`Content-Type` header the plugin will skip trying to parse the response body.
This allows arbitrary transformations as it doesn't try to parse the body but
still runs the template which can access the original body with `_body`.
The only problem is it spams warnings about "no input format to parse
request/response body". I'd like an explicit `"input_format": "none"` to just
silence that warning.
In our case we also have an upstream service that sometimes returns
incorrect `Content-Type` headers, so it would be nice if `"input_format":
"none"` caused it to not try to parse the content regardless of `Content-Type`
and let the template logic do whatever is necessary to convert to the correct
format. Currently if you don't strip `Content-Type` with `response-rewrite` the
plugin will abort before calling the template if it can't parse the original
response.
So something like:
Original response:
```
Content-Type: application/json
Body:
not actually json
```
Config:
```json
"body-transformer": {
"response": {
"template": "{\"message\": \"{* string.gsub(_body, 'not ', '') *}\"}"
}
}
```
Transformed response:
```
Content-Type: application/json
Body:
{"message": "actually json"}
```
Thanks!
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