Files
ubuntu-post-install/tools/manage_users.sh
T
Claude c72a20af42 manage_users.sh: strip to directory-access-only tool
Removed all user CRUD (add, delete, rename, passwd, scope change).
The FileBrowser web UI handles those. Script is now focused solely
on adding/removing extra folder shortcuts for users who have a
restricted root directory. Simpler menu, ~half the code.

https://claude.ai/code/session_014CCYqVwW6d6f5dw1qRokYt
2026-06-08 03:06:52 +00:00

277 lines
10 KiB
Bash

#!/usr/bin/env bash
# manage_users.sh — Add/remove extra folder access for FileBrowser users.
#
# Placed in ~/docker/filebrowser/ by the filebrowser installer.
# Requires: curl, jq, docker (sudo apt install curl jq)
#
# FileBrowser only gives each user one root directory. This script adds
# shortcuts inside that directory so a user can reach multiple folders
# without getting full access to everything.
#
# Create and manage users through the FileBrowser web UI instead.
#
set -Eeuo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
FB_URL="${FB_URL:-http://localhost:8085}"
TOKEN=""
# ── Output helpers ────────────────────────────────────────────────────────────
if [[ -t 1 ]]; then
B=$'\e[1m' R=$'\e[0m' GRN=$'\e[32m' RED=$'\e[31m' DIM=$'\e[2m'
else
B="" R="" GRN="" RED="" DIM=""
fi
die() { echo "${RED}ERROR:${R} $*" >&2; exit 1; }
ok() { echo " ${GRN}${R} $*"; }
errmsg() { echo " ${RED}${R} $*" >&2; }
hr() { printf ' %s\n' "────────────────────────────────────────────"; }
banner() { echo; hr; printf " ${B}%-44s${R}\n" "$*"; hr; }
# ── Prerequisites ─────────────────────────────────────────────────────────────
require_cmds() {
for _c in "$@"; do
command -v "$_c" &>/dev/null || die "'$_c' not found — sudo apt install $_c"
done
}
# ── Auth ──────────────────────────────────────────────────────────────────────
ensure_token() {
[[ -n "$TOKEN" ]] && return 0
echo
echo " ${B}FileBrowser login${R} ${DIM}(${FB_URL})${R}"
local _u _p _payload _tok
read -r -p " Admin username [admin]: " _u
_u="${_u:-admin}"
read -r -s -p " Admin password: " _p; echo
_payload=$(jq -n --arg u "$_u" --arg p "$_p" '{username:$u,password:$p}')
_tok=$(curl -s -X POST "$FB_URL/api/login" \
-H "Content-Type: application/json" \
-d "$_payload") || true
if [[ -z "$_tok" ]]; then
die "No response from FileBrowser at $FB_URL — is it running? (docker compose up -d)"
elif [[ "$_tok" == *"."*"."* ]]; then
TOKEN="$_tok"
ok "Logged in as $_u"
else
echo " FileBrowser responded: $_tok" >&2
die "Login failed — wrong credentials or FileBrowser not reachable at $FB_URL"
fi
}
api_get() { curl -sf -X GET "$FB_URL$1" -H "X-Auth: $TOKEN"; }
# ── Docker helpers ────────────────────────────────────────────────────────────
get_container_name() {
local _compose="$SCRIPT_DIR/docker-compose.yml"
if [[ -f "$_compose" ]]; then
local _name
_name=$(grep 'container_name:' "$_compose" | head -1 | awk '{print $2}')
[[ -n "$_name" ]] && { echo "$_name"; return; }
fi
echo "filebrowser"
}
check_container() {
local _running
_running=$(docker inspect --format='{{.State.Running}}' "$1" 2>/dev/null || echo "false")
[[ "$_running" == "true" ]] \
|| die "Container '$1' is not running — start it first: docker compose up -d"
}
# Returns /srv/data (new named-volume layout) or /srv (legacy bind-mount layout).
get_data_root() {
local _c="$1"
if docker exec "$_c" test -d /srv/data 2>/dev/null; then
echo "/srv/data"
else
echo "/srv"
fi
}
# ── User selection ────────────────────────────────────────────────────────────
# Prints a numbered list and returns chosen username + directory via globals.
CHOSEN_USER=""
CHOSEN_DIR=""
pick_user() {
ensure_token
echo
local _raw
_raw=$(api_get "/api/users" | jq -r '.[] | [.username, .scope] | @tsv') || true
[[ -n "$_raw" ]] || die "No users returned from FileBrowser."
local -a _users _dirs
local _i=0
while IFS=$'\t' read -r _u _s; do
_users+=("$_u")
_dirs+=("$_s")
printf " %2d %-20s %s\n" "$((_i+1))" "$_u" "$_s"
((_i++)) || true
done <<< "$_raw"
echo
local _pick=""
read -r -p " Select user (number): " _pick
[[ "$_pick" =~ ^[0-9]+$ ]] || { errmsg "Enter a number."; return 1; }
local _idx=$((_pick-1))
[[ $_idx -ge 0 && $_idx -lt ${#_users[@]} ]] || { errmsg "Out of range."; return 1; }
CHOSEN_USER="${_users[$_idx]}"
CHOSEN_DIR="${_dirs[$_idx]}"
}
# ── Directory listing ─────────────────────────────────────────────────────────
list_extras() {
local _c="$1" _dir="$2"
docker exec "$_c" find "/srv$_dir" -maxdepth 1 -type l \
-exec sh -c '
_name=$(basename "$1")
_target=$(readlink "$1")
_display="${_target#/srv}"
[ -z "$_display" ] && _display="/"
printf " %-24s→ %s\n" "$_name" "$_display"
' _ {} \; 2>/dev/null | sort || true
}
# ── Add extra directories ─────────────────────────────────────────────────────
add_extras() {
local _dir="$1" _c="$2" _data_root="$3"
local _scope_dir="/srv$_dir"
if ! docker exec "$_c" test -d "$_scope_dir" 2>/dev/null; then
echo
echo " The directory '$_dir' does not exist in the container yet."
local _mk=""
read -r -p " Create it now? [y/N]: " _mk
if [[ "${_mk,,}" == "y" ]]; then
docker exec "$_c" mkdir -p "$_scope_dir" \
|| die "Could not create '$_scope_dir' (permission denied?)."
ok "Created '$_dir'"
else
errmsg "Cannot add extras — '$_dir' must exist first."
return 1
fi
fi
echo
echo " Type a folder name to add — ? to list available, blank when done."
echo
while true; do
local _src=""
read -r -p " Folder to add [done]: " _src
[[ -n "$_src" ]] || break
if [[ "$_src" == "?" ]]; then
local _avail
_avail=$(docker exec "$_c" find "$_data_root" -maxdepth 1 -mindepth 1 \
\( -type d -o -type l \) -not -name ".*" 2>/dev/null \
| sed "s|^${_data_root}/||" | sort | tr '\n' ' ') || true
echo " Available: ${_avail:-(none found)}"
echo
continue
fi
_src="${_src#/}"; _src="${_src%/}"
[[ -n "$_src" ]] || continue
local _target="$_data_root/$_src"
local _link_name; _link_name=$(basename "$_src")
local _link_path="$_scope_dir/$_link_name"
if ! docker exec "$_c" test -e "$_target" 2>/dev/null; then
errmsg "'$_src' not found — type ? to see available folders."
continue
fi
if docker exec "$_c" test -e "$_link_path" 2>/dev/null; then
errmsg "'$_link_name' already added."
continue
fi
if ! docker exec "$_c" ln -s "$_target" "$_link_path" 2>/dev/null; then
errmsg "Failed to add '$_link_name' (check: docker logs filebrowser)."
continue
fi
ok "Added '$_link_name'"
done
}
# ── Remove extra directory ────────────────────────────────────────────────────
remove_extra() {
local _dir="$1" _c="$2"
local _scope_dir="/srv$_dir"
echo
local _links
_links=$(list_extras "$_c" "$_dir")
if [[ -z "$_links" ]]; then
echo " No extras to remove."
return 0
fi
echo "$_links"
echo
local _name=""
read -r -p " Name to remove: " _name
[[ -n "$_name" ]] || return 0
local _link_path="$_scope_dir/$_name"
if ! docker exec "$_c" test -L "$_link_path" 2>/dev/null; then
errmsg "'$_name' is not an added folder — not removing."
return 1
fi
docker exec "$_c" rm "$_link_path"
ok "'$_name' removed."
}
# ── Main ──────────────────────────────────────────────────────────────────────
require_cmds curl jq docker
_c=$(get_container_name)
check_container "$_c"
_data_root=$(get_data_root "$_c")
while true; do
banner "FileBrowser — Extra Folder Access"
echo " ${DIM}Manage additional folders for users beyond their root directory.${R}"
echo " ${DIM}Create/delete users in the FileBrowser web UI.${R}"
echo
echo " 1 Add extra folders to a user"
echo " 2 Remove an extra folder from a user"
echo " 3 Show a user's extra folders"
echo " 0 Exit"
echo
_ch=""
read -r -p " Choice: " _ch
case "$_ch" in
1)
pick_user || continue
banner "Add extras — $CHOSEN_USER (${CHOSEN_DIR})"
if [[ "$CHOSEN_DIR" == "/" || "$CHOSEN_DIR" == "/data" ]]; then
echo " This user has full access — no extras needed."
else
add_extras "$CHOSEN_DIR" "$_c" "$_data_root" || true
fi
;;
2)
pick_user || continue
banner "Remove extra — $CHOSEN_USER (${CHOSEN_DIR})"
remove_extra "$CHOSEN_DIR" "$_c" || true
;;
3)
pick_user || continue
banner "Extras — $CHOSEN_USER (${CHOSEN_DIR})"
_links=$(list_extras "$_c" "$CHOSEN_DIR")
if [[ -n "$_links" ]]; then echo "$_links"; else echo " (none)"; fi
echo
;;
0) echo; echo " Goodbye."; echo; exit 0 ;;
*) errmsg "Invalid choice." ;;
esac
done