angie-conv-image/image-entry.d/22-http-max-ranges.envsh

#!/bin/sh

if [ "${NGX_HTTP}" = 0 ] ; then
	unset NGX_HTTP_MAX_RANGES
else
	unset _NGX_HTTP_MAX_RANGES
	## here should be SANE defaults (!)
	_NGX_HTTP_MAX_RANGES=16

	if [ -z "${NGX_HTTP_MAX_RANGES:-}" ] ; then
		unset NGX_HTTP_MAX_RANGES
	else
		case "${NGX_HTTP_MAX_RANGES}" in
		## allow values within [1;999]
		[1-9] | [1-9][0-9] | [1-9][0-9][0-9] ) ;;
		0 )
			log_always "HTTP: Range/If-Range/Accept-Ranges support is disabled by NGX_HTTP_MAX_RANGES=0"
		;;
		* )
			log_always "NGX_HTTP_MAX_RANGES: unrecognized value: ${NGX_HTTP_MAX_RANGES}"
			log_always "setting NGX_HTTP_MAX_RANGES=${_NGX_HTTP_MAX_RANGES}"
			NGX_HTTP_MAX_RANGES=${_NGX_HTTP_MAX_RANGES}
		;;
		esac

		export NGX_HTTP_MAX_RANGES
	fi

	unset _NGX_HTTP_MAX_RANGES
fi