From d942060d292c47fd9c97ca4d41c9718fd60ebe78 Mon Sep 17 00:00:00 2001 From: paul Date: Sat, 26 Nov 2016 16:16:49 +0000 Subject: [PATCH] rudimantary support for byte ranges svn path=/trunk/; revision=45 --- static.sh | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/static.sh b/static.sh index ae8de6c..6e9ceb7 100755 --- a/static.sh +++ b/static.sh @@ -29,19 +29,37 @@ suffix[css]="text/css" [ -n "$HTTP_IF_MODIFIED_SINCE" ] && cachedate="$(date -d "$HTTP_IF_MODIFIED_SINCE" +%s)" +if printf '%s' "${HTTP_RANGE}" |grep -qE '^bytes=[0-9]+-[0-9]*\r?$'; then + _range="${HTTP_RANGE#bytes=}" + _bstart="${_range%-*}" + _bend="${_range#*-}" +fi + if [ -x "$file" -o \! -r "$file" -o \! -f "$file" ]; then printf 'Status:403 Forbidden\r\n\r\n' elif [ "$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 "@$date")" +elif [ "$_bstart" -gt 0 ] ; then + length="$(stat -c %s "$file")" + magic="${suffix[${file##*.}]:-$(file -bi "$file")}" + + printf 'Status:206 Partial Content\r\n' + printf 'Last-Modified: %s\r\n' "$(date -Rd "@$date")" + printf 'Content-Type: %s\r\n' "${magic:-all/all}" + printf 'Content-Range: bytes %i-%i/%i\r\n' $_bstart $(($length - 1)) $length |debug + printf 'Content-Length: %i\r\n' $(($length - $_bstart)) + printf '\r\n' + + tail -c+"$(($_bstart + 1))" "$file" else length="$(stat -c %s "$file")" magic="${suffix[${file##*.}]:-$(file -bi "$file")}" + printf 'Accept-Ranges: bytes\r\n' 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 'Content-Length: %i\r\n' "$length" printf '\r\n' cat "$file" -- 2.39.2