mirror of
https://github.com/okxlin/appstore.git
synced 2026-09-23 16:01:01 +00:00
67 lines
1.9 KiB
Bash
Executable File
67 lines
1.9 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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read_env_value() {
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local key="$1"
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local value=""
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if [[ -f "$ENV_FILE" ]]; then
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value="$(grep -E "^${key}=" "$ENV_FILE" | tail -n 1 | cut -d '=' -f 2- || true)"
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fi
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if [[ ${#value} -ge 2 && "${value:0:1}" == '"' && "${value: -1}" == '"' ]]; then
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value="${value:1:${#value}-2}"
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elif [[ ${#value} -ge 2 && "${value:0:1}" == "'" && "${value: -1}" == "'" ]]; then
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value="${value:1:${#value}-2}"
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fi
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printf '%s\n' "$value"
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}
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configured_value() {
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local key="$1"
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if [[ -v "$key" ]]; then
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printf '%s\n' "${!key}"
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else
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read_env_value "$key"
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fi
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}
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[[ -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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data_dir_raw="$(configured_value APP_DATA_DIR)"
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[[ -n "$data_dir_raw" ]] || data_dir_raw="./data"
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case "$data_dir_raw" in
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*$'\n'* | *$'\r'* | *\\* | *'$'* | *'#'* | *'"'* | *"'") fail "APP_DATA_DIR contains unsupported dotenv characters" ;;
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esac
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case "$data_dir_raw" in
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/*) data_dir_abs="$(realpath -m -- "$data_dir_raw")" ;;
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*)
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data_dir_abs="$(realpath -m -- "${ROOT_DIR}/${data_dir_raw#./}")"
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case "$data_dir_abs" in
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"${ROOT_DIR}" | "${ROOT_DIR}"/*) ;;
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*) fail "Relative APP_DATA_DIR must stay inside the application directory" ;;
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esac
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;;
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esac
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[[ "$data_dir_abs" != "/" ]] || fail "APP_DATA_DIR must not be the filesystem root"
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if [[ -e "$data_dir_abs" && ! -d "$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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session_key="$(configured_value COMMAFEED_SESSION_ENCRYPTION_KEY)"
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[[ ${#session_key} -ge 16 ]] || fail "COMMAFEED_SESSION_ENCRYPTION_KEY must contain at least 16 characters"
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case "$session_key" in
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*$'\n'* | *$'\r'*) fail "COMMAFEED_SESSION_ENCRYPTION_KEY must be a single line" ;;
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esac
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mkdir -p -- "$data_dir_abs"
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