mw_etag {webfakes}

Middleware that add an ETag header to the response

Description

If the response already has an ETag header, then it is kept.

Usage

mw_etag(algorithm = "crc32")

Arguments

algorithm

Checksum algorithm to use. Only "crc32" is implemented currently.

Details

This middleware handles the If-None-Match headers, and it sets the status code of the response to 304 if If-None-Match matches the ETag. It also removes the response body in this case.

Value

Handler function.

See Also

Other middleware: mw_cgi(), mw_cookie_parser(), mw_json(), mw_log(), mw_multipart(), mw_range_parser(), mw_raw(), mw_static(), mw_text(), mw_urlencoded()

Examples

app <- new_app()
app$use(mw_etag())
app