105 lines
2.2 KiB
Text
105 lines
2.2 KiB
Text
#! @shell@
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STORE_DIR="${NIX_STORE_DIR:-/nix/store}"
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MASS_QUERY=0
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PRIORITY=75
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COMPRESSION=bzip2
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KEY=
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KEYNAME=na
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export NIX_REMOTE=daemon
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config="${NIX_BINARY_CACHE_CONFIG:-${HTTP_NIX_BINARY_CACHE_CONFIG:-/etc/nix/nix-binary-cache.cgi.conf}}"
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config="$(cd "$(@coreutils@/dirname "$config")";
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@coreutils@/pwd)/$(@coreutils@/basename "$config")"
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@coreutils@/test -e "$config" && . "$config"
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header(){
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echo "Content-Type: text/plain; charset=utf-8"
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echo
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}
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header404(){
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echo "Status: 404 Not Found"
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echo
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}
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clean_path() {
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@gnused@/sed -re "s@^$STORE_DIR/?@@" | @findutils@/xargs
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}
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storeq(){
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@nix@/nix-store -q "$@"
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}
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sign(){
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test -n "$1" &&
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@coreutils@/sha256sum | @gnused@/sed -e 's/ .*//' |
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@openssl@/openssl rsautl -sign -inkey "$@" | @coreutils@/base64 -w 0
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}
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case "$QUERY_STRING" in
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"")
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header
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echo "Hello, this is a dynamically-generated Nix binary cache"
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;;
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/debug)
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header
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set
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;;
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/nix-cache-info)
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header
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echo "StoreDir: $STORE_DIR"
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echo "WantMassQuery: $MASS_QUERY"
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echo "Priority: $PRIORITY"
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;;
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*.narinfo)
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hash=${QUERY_STRING%.narinfo}
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hash=${hash#/}
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path="$(echo "$STORE_DIR/$hash-"* | @coreutils@/sort | @coreutils@/head -n 1)"
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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info="$(
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echo "StorePath: $path"
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echo "URL: $(@coreutils@/basename "$path"
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).nar.$COMPRESSION"
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echo "Compression: $COMPRESSION"
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echo "NarHash: $(storeq --hash "$path")"
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echo "NarSize: $(storeq --size "$path")"
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echo "References: $(storeq --references "$path" |
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@coreutils@/tac | clean_path )"
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echo "Deriver: $(storeq --deriver "$path" |
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clean_path )"
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)"
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signature="$(echo "$info" | sign "$KEY")"
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echo "$info"
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echo "Signature: 1;$KEYNAME;$signature"
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else
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header404
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exit 1
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fi
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;;
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*.nar.xz)
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path="$STORE_DIR${QUERY_STRING%.nar.xz}"
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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@nix@/nix-store --dump "$path" | @xz@/xz
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else
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header404
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exit 1
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fi
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;;
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*.nar.bzip2)
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path="$STORE_DIR${QUERY_STRING%.nar.bzip2}"
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echo "$path" >&2;
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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@nix@/nix-store --dump "$path" | @bzip2@/bzip2
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else
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header404
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exit 1
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fi
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;;
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esac
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