nix-super/scripts/nix-http-export.cgi.in
2008-05-07 14:18:28 +00:00

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#! /bin/sh
export HOME=/tmp
export NIX_REMOTE=daemon
TMP_DIR="${TMP_DIR:-/tmp/nix-export}"
@coreutils@/mkdir -p "$TMP_DIR" || true
@coreutils@/chmod a+r "$TMP_DIR"
needed_path="?$QUERY_STRING"
needed_path="${needed_path#*[?&]needed_path=}"
needed_path="${needed_path%%&*}"
#needed_path="$(echo $needed_path | ./unhttp)"
needed_path="$(echo $needed_path | sed -e 's/%2B/+/g; s/%3D/=/g')"
echo needed_path: "$needed_path" >&2
NIX_STORE="${NIX_STORE:-/nix/store}"
echo NIX_STORE: "${NIX_STORE}" >&2
full_path="${NIX_STORE}"/"$needed_path"
if [ "$needed_path" != "${needed_path%.drv}" ]; then
echo "Status: 403 You should create the derivation file yourself"
echo "Content-Type: text/plain"
echo
echo "Refusing to disclose derivation contents"
exit
fi
if [ -e "$full_path" ]; then
if ! [ -e nix-export/"$needed_path".nar.gz ]; then
@bindir@/nix-store --export "$full_path" | @gzip@ > "$TMP_DIR"/"$needed_path".nar.gz
@coreutils@/ln -fs "$TMP_DIR"/"$needed_path".nar.gz nix-export/"$needed_path".nar.gz
fi;
echo "Status: 301 Moved"
echo "Location: nix-export/"$needed_path".nar.gz"
echo
else
echo "Status: 404 No such path found"
echo "Content-Type: text/plain"
echo
echo "Path not found:"
echo "$needed_path"
echo "checked:"
echo "$full_path"
fi