95 lines
3.3 KiB
Nix
95 lines
3.3 KiB
Nix
{ pkgs, lib, config, ... }:
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let
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galleryDir = config.services.pvv-nettsiden.settings.GALLERY.DIR;
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transferDir = "${config.services.pvv-nettsiden.settings.GALLERY.DIR}-transfer";
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in {
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users.users.${config.services.pvv-nettsiden.user} = {
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useDefaultShell = true;
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# This is pushed from microbel:/var/www/www-gallery/build-gallery.sh
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openssh.authorizedKeys.keys = [
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''command="${pkgs.rrsync}/bin/rrsync -wo ${transferDir}",restrict,no-agent-forwarding,no-port-forwarding,no-pty,no-X11-forwarding ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish''
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];
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};
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systemd.paths.pvv-nettsiden-gallery-update = {
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wantedBy = [ "multi-user.target" ];
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pathConfig = {
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PathChanged = "${transferDir}/gallery.tar.gz";
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Unit = "pvv-nettsiden-gallery-update.service";
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MakeDirectory = true;
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};
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};
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systemd.services.pvv-nettsiden-gallery-update = {
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path = with pkgs; [ imagemagick gnutar gzip ];
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script = ''
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tar ${lib.cli.toGNUCommandLineShell {} {
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extract = true;
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file = "${transferDir}/gallery.tar.gz";
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directory = ".";
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}}
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# Delete files and directories that exists in the gallery that don't exist in the tarball
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filesToRemove=$(uniq -u <(sort <(find . -not -path "./.thumbnails*") <(tar -tf ${transferDir}/gallery.tar.gz | sed 's|/$||')))
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while IFS= read fname; do
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rm -f "$fname" ||:
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rm -f ".thumbnails/$fname.png" ||:
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done <<< "$filesToRemove"
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find . -type d -empty -delete
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mkdir -p .thumbnails
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images=$(find . -type f -not -path "./.thumbnails*")
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while IFS= read fname; do
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# Skip this file if an up-to-date thumbnail already exists
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if [ -f ".thumbnails/$fname.png" ] && \
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[ "$(date -R -r "$fname")" == "$(date -R -r ".thumbnails/$fname.png")" ]
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then
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continue
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fi
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echo "Creating thumbnail for $fname"
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mkdir -p $(dirname ".thumbnails/$fname")
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magick -define jpeg:size=200x200 "$fname" -thumbnail 300 -auto-orient ".thumbnails/$fname.png" ||:
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touch -m -d "$(date -R -r "$fname")" ".thumbnails/$fname.png"
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done <<< "$images"
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'';
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serviceConfig = {
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WorkingDirectory = galleryDir;
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User = config.services.pvv-nettsiden.user;
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Group = config.services.pvv-nettsiden.group;
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AmbientCapabilities = [ "" ];
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CapabilityBoundingSet = [ "" ];
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DeviceAllow = [ "" ];
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true; # disable for third party rotate scripts
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PrivateDevices = true;
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PrivateNetwork = true; # disable for mail delivery
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PrivateTmp = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true; # disable for userdir logs
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
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ProtectSystem = "full";
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true; # disable for creating setgid directories
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SocketBindDeny = [ "any" ];
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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];
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};
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};
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}
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