mirror of
https://github.com/okxlin/appstore.git
synced 2026-09-24 16:01:02 +00:00
236 lines
6.4 KiB
Bash
Executable File
236 lines
6.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
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ENV_FILE="${ENV_FILE:-${ROOT_DIR}/.env}"
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fail() {
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printf '%s\n' "$1" >&2
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exit 1
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}
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strip_matching_quotes() {
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local value="$1"
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if [[ ${#value} -ge 2 ]]; then
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if [[ "${value:0:1}" == '"' && "${value: -1}" == '"' ]]; then
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value="${value:1:${#value}-2}"
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elif [[ "${value:0:1}" == "'" && "${value: -1}" == "'" ]]; then
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value="${value:1:${#value}-2}"
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fi
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fi
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printf '%s\n' "$value"
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}
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env_has_key() {
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local key="$1"
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[[ -f "$ENV_FILE" ]] && grep -qE "^${key}=" "$ENV_FILE"
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}
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read_env_value() {
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local key="$1"
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local value=""
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if env_has_key "$key"; then
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value="$(grep -E "^${key}=" "$ENV_FILE" | tail -n 1 | cut -d '=' -f 2-)"
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fi
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strip_matching_quotes "$value"
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}
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read_effective_value() {
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local key="$1"
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if [[ -v "$key" ]]; then
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strip_matching_quotes "${!key}"
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else
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read_env_value "$key"
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fi
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}
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path_is_dotenv_safe() {
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local value="$1"
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case "$value" in
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*$'\n'* | *$'\r'* | *\\* | *'$'* | *'#'* | *'"'* | *"'"*) return 1 ;;
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*) return 0 ;;
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esac
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}
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email_is_safe() {
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local value="$1"
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local local_part
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local domain
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local label
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local -a labels
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[[ ${#value} -le 254 ]] || return 1
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[[ "$value" == *@* ]] || return 1
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[[ "$value" != *..* ]] || return 1
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local_part="${value%@*}"
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domain="${value#*@}"
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[[ "$local_part" != "$value" && "$domain" != "$value" ]] || return 1
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[[ "$local_part" =~ ^[A-Za-z0-9]$ || "$local_part" =~ ^[A-Za-z0-9][A-Za-z0-9._%+-]{0,62}[A-Za-z0-9]$ ]] || return 1
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[[ "$domain" == *.* ]] || return 1
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IFS='.' read -r -a labels <<< "$domain"
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[[ ${#labels[@]} -ge 2 ]] || return 1
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for label in "${labels[@]}"; do
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[[ "$label" =~ ^[A-Za-z0-9]$ || "$label" =~ ^[A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9]$ ]] || return 1
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done
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}
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password_is_safe() {
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local value="$1"
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local allowed_re='^[-A-Za-z0-9._~!@#%^&*+=:,/?]+$'
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local special_re='[-._~!@#%^&*+=:,/?]'
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[[ ${#value} -ge 8 && ${#value} -le 128 ]] || return 1
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[[ "$value" =~ $allowed_re ]] || return 1
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[[ "$value" =~ [a-z] ]] || return 1
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[[ "$value" =~ [A-Z] ]] || return 1
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[[ "$value" =~ [0-9] ]] || return 1
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[[ "$value" =~ $special_re ]] || return 1
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}
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generate_password() {
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local value=""
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if command -v openssl >/dev/null 2>&1; then
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value="$(openssl rand -hex 32)"
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elif [[ -r /dev/urandom ]] && command -v od >/dev/null 2>&1; then
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value="$(od -An -N32 -tx1 /dev/urandom | tr -d ' \n')"
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fi
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[[ "$value" =~ ^[0-9a-f]{64}$ ]] || fail "Unable to generate a secure OpenObserve password"
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printf 'Oo1!%s\n' "$value"
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}
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write_password_cache() {
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local cache_file="$1"
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local value="$2"
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local temp_file
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umask 077
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temp_file="$(mktemp "${cache_file}.tmp.XXXXXX")"
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printf '%s\n' "$value" > "$temp_file"
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chmod 600 "$temp_file"
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mv -f -- "$temp_file" "$cache_file"
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}
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set_env_value() {
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local key="$1"
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local value="$2"
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local env_dir
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local temp_file
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[[ -f "$ENV_FILE" ]] || fail "$ENV_FILE not found"
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[[ ! -L "$ENV_FILE" ]] || fail "$ENV_FILE must not be a symbolic link"
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env_dir="$(dirname "$ENV_FILE")"
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temp_file="$(mktemp "${env_dir}/.openobserve-env.tmp.XXXXXX")"
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awk -v key="$key" -v value="$value" '
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BEGIN { written = 0 }
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$0 ~ "^" key "=" {
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if (!written) {
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print key "=" value
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written = 1
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}
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next
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}
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{ print }
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END {
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if (!written) {
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print key "=" value
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}
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}
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' "$ENV_FILE" > "$temp_file"
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chmod --reference="$ENV_FILE" "$temp_file"
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mv -f -- "$temp_file" "$ENV_FILE"
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}
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resolve_password() {
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local cache_file="$1"
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local value
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local cached_value=""
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[[ ! -L "$cache_file" ]] || fail "OpenObserve password cache must not be a symbolic link"
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if [[ -e "$cache_file" && ! -f "$cache_file" ]]; then
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fail "OpenObserve password cache must be a regular file"
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fi
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if [[ -s "$cache_file" ]]; then
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cached_value="$(sed -n '1p' "$cache_file")"
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password_is_safe "$cached_value" || fail "Persisted OpenObserve password is invalid"
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fi
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value="$(read_effective_value OPENOBSERVE_ROOT_PASSWORD)"
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if [[ -z "$value" || "$value" == "generate" ]]; then
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if [[ -n "$cached_value" ]]; then
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value="$cached_value"
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else
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value="$(generate_password)"
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fi
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else
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password_is_safe "$value" || fail "OPENOBSERVE_ROOT_PASSWORD must be 8-128 safe characters with lowercase, uppercase, number, and special character"
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fi
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write_password_cache "$cache_file" "$value"
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set_env_value OPENOBSERVE_ROOT_PASSWORD "$value"
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}
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resolve_boolean() {
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local key="$1"
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local default_value="$2"
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local value
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value="$(read_effective_value "$key")"
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[[ -n "$value" ]] || value="$default_value"
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[[ "$value" == "true" || "$value" == "false" ]] || fail "${key} must be true or false"
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set_env_value "$key" "$value"
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}
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[[ -f "$ENV_FILE" ]] || fail "$ENV_FILE not found"
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[[ ! -L "$ENV_FILE" ]] || fail "$ENV_FILE must not be a symbolic link"
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app_data_dir_explicit=false
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if [[ ${APP_DATA_DIR+x} ]]; then
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APP_DATA_DIR_RAW="$APP_DATA_DIR"
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app_data_dir_explicit=true
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elif env_has_key APP_DATA_DIR; then
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APP_DATA_DIR_RAW="$(read_env_value APP_DATA_DIR)"
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app_data_dir_explicit=true
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else
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APP_DATA_DIR_RAW="./data"
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fi
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APP_DATA_DIR_RAW="$(strip_matching_quotes "$APP_DATA_DIR_RAW")"
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if [[ "$app_data_dir_explicit" == "true" && -z "$APP_DATA_DIR_RAW" ]]; then
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fail "APP_DATA_DIR must not be empty"
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fi
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path_is_dotenv_safe "$APP_DATA_DIR_RAW" || fail "APP_DATA_DIR contains unsupported dotenv characters"
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case "$APP_DATA_DIR_RAW" in
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/*)
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APP_DATA_DIR_ABS="$(realpath -m -- "$APP_DATA_DIR_RAW")"
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;;
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*)
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APP_DATA_DIR_ABS="$(realpath -m -- "${ROOT_DIR}/${APP_DATA_DIR_RAW#./}")"
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case "$APP_DATA_DIR_ABS" in
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"${ROOT_DIR}" | "${ROOT_DIR}"/*) ;;
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*) fail "Relative APP_DATA_DIR must stay inside the application directory" ;;
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esac
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;;
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esac
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[[ "$APP_DATA_DIR_ABS" != "/" ]] || fail "APP_DATA_DIR must not be the filesystem root"
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if [[ -e "$APP_DATA_DIR_ABS" && ! -d "$APP_DATA_DIR_ABS" ]]; then
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fail "APP_DATA_DIR must be a directory"
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fi
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mkdir -p -- "$APP_DATA_DIR_ABS"
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set_env_value APP_DATA_DIR "$APP_DATA_DIR_RAW"
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root_email="$(read_effective_value OPENOBSERVE_ROOT_EMAIL)"
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email_is_safe "$root_email" || fail "OPENOBSERVE_ROOT_EMAIL must be a valid email address"
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set_env_value OPENOBSERVE_ROOT_EMAIL "$root_email"
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resolve_password "${APP_DATA_DIR_ABS}/.openobserve_root_password"
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resolve_boolean OPENOBSERVE_TELEMETRY false
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resolve_boolean OPENOBSERVE_COOKIE_SECURE_ONLY false
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