# along with shcgi. If not, see <http://www.gnu.org/licenses/>.
-unset length date file
-file="$_EXEC/static/$STATIC"
+unset length date file suffix
+file="$1"
date="$(stat -c %Y "$file")"
+# allow overriding magic file recognition
+# don't use this if `file` returns type correctly
+declare -A suffix
+suffix[css]="text/css"
+
+[ -n "$HTTP_IF_MODIFIED_SINCE" ] && cachedate="$(date -d "$HTTP_IF_MODIFIED_SINCE" +%s)"
+
if [ -x "$file" -o \! -r "$file" -o \! -f "$file" ]; then
- printf 'HTTP/1.1 403 Forbidden\n\n'
-elif [ "$date" = "$HTTP_IF_NONE_MATCH" ]; then
- printf 'HTTP/1.1 304 Not Modified\n\n'
+ printf 'Status:403 Forbidden\r\n\r\n'
+elif [ "$date" = "$cachedate" ]; then
+ debug "Delegating to client cache"
+ printf 'Status:304 Not Modified\r\n'
+ printf 'Last-Modified: %s\r\n\r\n' "$(date -Rd "@$date")"
else
length="$(stat -c %s "$file")"
- magic="$(file -bi "$file")"
+ magic="${suffix[${file##*.}]:-$(file -bi "$file")}"
- printf 'Etag: %s\r\n' "$date"
+ printf 'Last-Modified: %s\r\n' "$(date -Rd "@$date")"
printf 'Content-Type: %s\r\n' "${magic:-all/all}"
printf 'Content-Length: %s\r\n' "$length"
printf '\r\n'