mirror of
https://github.com/okxlin/appstore.git
synced 2026-09-23 16:01:01 +00:00
64 lines
2.1 KiB
Bash
Executable File
64 lines
2.1 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:-${ROOT_DIR}/.env}"
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DEFAULT_CONFIG="${ROOT_DIR}/config.yml"
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fail() {
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printf '%s\n' "$1" >&2
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exit 1
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}
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[[ -f "$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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read_env_value() {
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local key="$1"
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local value
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value="$(sed -n "s/^${key}=//p" "$ENV_FILE" | tail -n 1)"
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case "$value" in
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\"*\") value="${value#\"}"; value="${value%\"}" ;;
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\'*\') value="${value#\'}"; value="${value%\'}" ;;
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esac
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printf '%s\n' "$value"
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}
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bind_address="$(read_env_value DNS_BIND_ADDRESS)"
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[[ "$bind_address" =~ ^[0-9]{1,3}(\.[0-9]{1,3}){3}$ ]] || fail "DNS_BIND_ADDRESS must be an IPv4 address"
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IFS=. read -r octet1 octet2 octet3 octet4 <<< "$bind_address"
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for octet in "$octet1" "$octet2" "$octet3" "$octet4"; do
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((10#$octet <= 255)) || fail "DNS_BIND_ADDRESS contains an invalid IPv4 octet"
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done
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data_raw="$(read_env_value APP_DATA_DIR)"
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[[ -n "$data_raw" && "$data_raw" != /* ]] || fail "APP_DATA_DIR must be a non-empty relative path"
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data_candidate="${ROOT_DIR}/${data_raw#./}"
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[[ ! -L "$data_candidate" ]] || fail "APP_DATA_DIR must not be a symbolic link"
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data_dir="$(realpath -m -- "$data_candidate")"
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case "$data_dir" in
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"${ROOT_DIR}"/*) ;;
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*) fail "APP_DATA_DIR must remain inside the application version directory" ;;
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esac
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install -d -m 0750 "$data_dir"
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data_dir="$(realpath -e -- "$data_dir")"
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case "$data_dir" in
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"${ROOT_DIR}"/*) ;;
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*) fail "APP_DATA_DIR resolves outside the application version directory" ;;
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esac
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config_file="${data_dir}/config.yml"
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cache_dir="${data_dir}/cache"
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[[ ! -L "$config_file" ]] || fail "config.yml must not be a symbolic link"
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[[ ! -L "$cache_dir" ]] || fail "cache must not be a symbolic link"
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[[ -f "$DEFAULT_CONFIG" ]] || fail "$DEFAULT_CONFIG not found"
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if [[ ! -e "$config_file" ]]; then
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install -m 0640 "$DEFAULT_CONFIG" "$config_file"
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fi
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[[ -f "$config_file" ]] || fail "config.yml must be a regular file"
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install -d -m 0750 "$cache_dir"
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chown 100:100 "$data_dir" "$config_file" "$cache_dir"
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chmod 0640 "$config_file"
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