100 lines
5.5 KiB
Bash
Executable file
100 lines
5.5 KiB
Bash
Executable file
#!/bin/bash
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### Bash Environment Setup
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# http://redsymbol.net/articles/unofficial-bash-strict-mode/
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# https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html
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# set -o xtrace
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set -o errexit
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set -o errtrace
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set -o nounset
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set -o pipefail
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IFS=$'\n'
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# Load global config (set by Dockerfile during image build time, not intended to be customized by users at runtime)
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export DATA_DIR="${DATA_DIR:-/data}"
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export ARCHIVEBOX_USER="${ARCHIVEBOX_USER:-archivebox}"
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# Global default PUID and PGID if data dir is empty and no intended PUID+PGID is set manually by user
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export DEFAULT_PUID=911
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export DEFAULT_PGID=911
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# If user tires to set PUID and PGID to root values manually, catch and reject because root is not allowed
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if [[ "$PUID" == "0" ]] || [[ "$PGID" == "0" ]]; then
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echo -e "\n[X] Error: Got PUID=$PUID and PGID=$PGID but ArchiveBox is not allowed to be run as root, please change or unset PUID & PGID and try again." >&2
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echo -e " Hint: some NFS/SMB/FUSE/etc. filesystems force-remap all permissions, leave PUID/PGID blank" >&2
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echo -e " or set PUID/PGID to the same value as the user/group they remap to (e.g. $DEFAULT_PUID:$DEFAULT_PGID)." >&2
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echo -e " https://linux.die.net/man/8/mount.cifs#:~:text=does%20not%20provide%20unix%20ownership" >&2
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exit 3
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fi
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# If data directory already exists, autodetect detect owner by looking at files within
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export DETECTED_PUID="$(stat -c '%u' "$DATA_DIR/logs/errors.log" 2>/dev/null || echo "$DEFAULT_PUID")"
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export DETECTED_PGID="$(stat -c '%g' "$DATA_DIR/logs/errors.log" 2>/dev/null || echo "$DEFAULT_PGID")"
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# If data directory exists but is owned by root, use defaults instead of root because root is not allowed
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[[ "$DETECTED_PUID" == "0" ]] && export DETECTED_PUID="$DEFAULT_PUID"
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[[ "$DETECTED_PGID" == "0" ]] && export DETECTED_PGID="$DEFAULT_PGID"
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# Set the archivebox user to use the configured UID & GID
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# prefer PUID and PGID env vars passsed in explicitly, falls back to autodetected values or global defaults
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usermod -o -u "${PUID:-$DETECTED_PUID}" "$ARCHIVEBOX_USER" > /dev/null 2>&1
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groupmod -o -g "${PGID:-$DETECTED_PGID}" "$ARCHIVEBOX_USER" > /dev/null 2>&1
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# re-set PUID and PGID to values reported by system instead of values we tried to set,
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# in case wonky filesystems or Docker setups try to play UID/GID remapping tricks on us
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export PUID="$(id -u archivebox)"
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export PGID="$(id -g archivebox)"
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# Check the permissions of the data dir (or create if it doesn't exist)
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if [[ -d "$DATA_DIR/archive" ]]; then
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if touch "$DATA_DIR/archive/.permissions_test_safe_to_delete" 2>/dev/null; then
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# It's fine, we are able to write to the data directory (as root inside the container)
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rm -f "$DATA_DIR/archive/.permissions_test_safe_to_delete"
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# echo "[√] Permissions are correct"
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else
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# the only time this fails is if the host filesystem doesn't allow us to write as root (e.g. some NFS mapall/maproot problems, connection issues, drive dissapeared, etc.)
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echo -e "\n[X] Error: archivebox user (PUID=$PUID) is not able to write to your ./data dir (currently owned by $(stat -c '%u' "$DATA_DIR"):$(stat -c '%g' "$DATA_DIR")." >&2
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echo -e " Change ./data to be owned by PUID=$PUID PGID=$PGID on the host and retry:" >&2
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echo -e " \$ chown -R $PUID:$PGID ./data\n" >&2
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echo -e " Configure the PUID & PGID environment variables to change the desired owner:" >&2
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echo -e " https://docs.linuxserver.io/general/understanding-puid-and-pgid\n" >&2
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exit 3
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fi
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else
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# create data directory
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mkdir -p "$DATA_DIR/logs"
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fi
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# force set the ownership of the data dir contents to the archivebox user and group
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# this is needed because Docker Desktop often does not map user permissions from the host properly
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chown $PUID:$PGID "$DATA_DIR"
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chown $PUID:$PGID "$DATA_DIR"/*
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# also chown BROWSERS_DIR because otherwise 'archivebox setup' wont be able to install chrome
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PLAYWRIGHT_BROWSERS_PATH="${PLAYWRIGHT_BROWSERS_PATH:-/browsers}"
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chown $PUID:$PGID "$PLAYWRIGHT_BROWSERS_PATH"
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chown $PUID:$PGID "${PLAYWRIGHT_BROWSERS_PATH}/*"
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# (this check is written in blood, QEMU silently breaks things in ways that are not obvious)
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export IN_QEMU="$(pmap 1 | grep qemu | wc -l | grep -E '^0$' >/dev/null && echo 'False' || echo 'True')"
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if [[ "$IN_QEMU" == 'True' ]]; then
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echo -e "\n[!] Warning: Running $(uname -m) emulated container in QEMU, some things will break!" >&2
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echo -e " chromium (screenshot, pdf, dom), singlefile, and any dependencies that rely on inotify will not run in QEMU." >&2
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echo -e " See here for more info: https://github.com/microsoft/playwright/issues/17395#issuecomment-1250830493\n" >&2
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fi
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# Drop permissions to run commands as the archivebox user
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if [[ "$1" == /* || "$1" == "bash" || "$1" == "sh" || "$1" == "echo" || "$1" == "cat" || "$1" == "archivebox" ]]; then
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# handle "docker run archivebox /some/non-archivebox/command --with=some args" by passing args directly to bash -c
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# e.g. "docker run archivebox /venv/bin/archivebox-alt init"
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# "docker run archivebox /bin/bash -c '...'"
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# "docker run archivebox echo test"
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exec gosu "$PUID" bash -c "$*"
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else
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# handle "docker run archivebox add some subcommand --with=args abc" by calling archivebox to run as args as CLI subcommand
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# e.g. "docker run archivebox add --depth=1 https://example.com"
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# "docker run archivebox manage createsupseruser"
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# "docker run archivebox server 0.0.0.0:8000"
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exec gosu "$PUID" bash -c "archivebox $*"
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fi
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