mirror of
https://github.com/okxlin/appstore.git
synced 2026-09-23 00:00:59 +00:00
62 lines
2.1 KiB
Bash
Executable File
62 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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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="$1"
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local value=""
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value="$(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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effective_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 "$ENV_FILE" && ! -L "$ENV_FILE" ]] || fail "$ENV_FILE must be a regular file"
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upsd_address="$(effective_value UPSD_ADDRESS)"
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upsd_port="$(effective_value UPSD_PORT)"
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tls_mode="$(effective_value UPSD_TLS_MODE)"
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config_raw="$(effective_value APP_CONFIG_DIR)"
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[[ -n "$upsd_address" && ! "$upsd_address" =~ [[:space:]/] ]] || fail "UPSD_ADDRESS must be a hostname or IP address"
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[[ "$upsd_port" =~ ^[0-9]+$ ]] || fail "UPSD_PORT must be numeric"
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((10#$upsd_port >= 1 && 10#$upsd_port <= 65535)) || fail "UPSD_PORT must be between 1 and 65535"
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[[ "$tls_mode" == disable || "$tls_mode" == strict || "$tls_mode" == skip ]] || fail "UPSD_TLS_MODE must be disable, strict, or skip"
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[[ -n "$config_raw" && ! "$config_raw" =~ [[:cntrl:]\`\$] ]] || fail "APP_CONFIG_DIR is invalid"
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if [[ "$config_raw" == /* ]]; then
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config_dir="$(realpath -m -- "$config_raw")"
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else
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config_dir="$(realpath -m -- "${ROOT_DIR}/${config_raw#./}")"
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case "$config_dir" in
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"${ROOT_DIR}"/*) ;;
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*) fail "Relative APP_CONFIG_DIR must stay inside the application version directory" ;;
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esac
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fi
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case "$config_dir" in
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/ | /bin | /boot | /dev | /etc | /home | /lib | /lib64 | /opt | /proc | /root | /run | /sbin | /srv | /sys | /tmp | /usr | /var | /workspace)
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fail "APP_CONFIG_DIR must be a dedicated subdirectory"
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;;
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esac
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[[ ! -L "$config_dir" ]] || fail "APP_CONFIG_DIR must not be a symbolic link"
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[[ ! -e "$config_dir" || -d "$config_dir" ]] || fail "APP_CONFIG_DIR must be a directory"
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install -d -m 0775 -- "$config_dir"
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