cache(+Boolean)

If true (default), handle If-modified-since and send modification time.

mime_type(+Type)

Overrule mime-type guessing from the filename as provided by file_mime_type/2.

static_gzip(+Boolean)

If true (default false) and, in addition to the plain file, there is a .gz file that is not older than the plain file and the client acceps gzip encoding, send the compressed file with Transfer-encoding: gzip.

unsafe(+Boolean)

If false (default), validate that FileSpec does not contain references to parent directories. E.g., specifications such as www('../../etc/passwd') are not allowed.

headers(+List)

Provides additional reply-header fields, encoded as a list of Field(Value).

If caching is not disabled, it processes the request headers If-modified-since and Range.

throws

- http_reply(not_modified)
- http_reply(file(MimeType, Path))