mirror of
https://github.com/okxlin/appstore.git
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okxlin
be6d756020
Package Kaneo 2.9.9 and latest with a private PostgreSQL service, generated persistent credentials, hardened non-root runtimes, and first-admin deployment guidance.
146 lines
4.8 KiB
Bash
Executable File
146 lines
4.8 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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set_env_value() {
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local key="$1"
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local value="$2"
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local temp_file
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temp_file="$(mktemp "${ROOT_DIR}/.kaneo-env.tmp.XXXXXX")"
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awk -v key="$key" -v value="$value" '
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BEGIN { written = 0 }
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$0 ~ "^" key "=" {
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if (!written) {
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print key "=" value
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written = 1
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}
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next
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}
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{ print }
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END { if (!written) print key "=" value }
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' "$ENV_FILE" > "$temp_file"
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chmod 600 "$temp_file"
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mv -f -- "$temp_file" "$ENV_FILE"
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}
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validate_ipv4() {
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local key="$1"
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local value="$2"
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local octet
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local -a octets
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[[ "$value" =~ ^[0-9]{1,3}(\.[0-9]{1,3}){3}$ ]] || fail "$key must be an IPv4 address"
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IFS=. read -r -a octets <<< "$value"
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for octet in "${octets[@]}"; do
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((10#$octet <= 255)) || fail "$key contains an invalid IPv4 octet"
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done
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}
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validate_port() {
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local key="$1"
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local value="$2"
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[[ "$value" =~ ^[0-9]+$ ]] || fail "$key must be an integer"
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((10#$value >= 1 && 10#$value <= 65535)) || fail "$key must be between 1 and 65535"
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}
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generate_alphanumeric() {
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local length="$1"
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local material
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material="$(openssl rand -base64 96 | tr -dc A-Za-z0-9)"
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[[ ${#material} -ge $length ]] || fail "unable to generate sufficient random material"
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printf '%s\n' "${material:0:length}"
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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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[[ "$(id -u)" -eq 0 ]] || fail "Kaneo init must run as root"
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command -v openssl >/dev/null 2>&1 || fail "openssl is required to generate credentials"
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validate_ipv4 PANEL_APP_BIND_ADDRESS "$(read_env_value PANEL_APP_BIND_ADDRESS)"
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validate_port PANEL_APP_PORT_HTTP "$(read_env_value PANEL_APP_PORT_HTTP)"
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client_url="$(read_env_value KANEO_CLIENT_URL)"
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[[ "$client_url" =~ ^https?://([A-Za-z0-9]([A-Za-z0-9.-]*[A-Za-z0-9])?|localhost)(:([0-9]{1,5}))?$ ]] ||
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fail "KANEO_CLIENT_URL must be an HTTP(S) origin without a path"
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[[ "$client_url" != *..* ]] || fail "KANEO_CLIENT_URL contains an invalid hostname"
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if [[ -n "${BASH_REMATCH[4]:-}" ]]; then
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validate_port KANEO_CLIENT_URL_PORT "${BASH_REMATCH[4]}"
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fi
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disable_registration="$(read_env_value DISABLE_REGISTRATION)"
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[[ "$disable_registration" == true || "$disable_registration" == false ]] ||
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fail "DISABLE_REGISTRATION must be true or false"
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postgres_db="$(read_env_value POSTGRES_DB)"
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postgres_user="$(read_env_value POSTGRES_USER)"
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[[ "$postgres_db" =~ ^[A-Za-z_][A-Za-z0-9_]{0,62}$ ]] || fail "POSTGRES_DB is invalid"
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[[ "$postgres_user" =~ ^[A-Za-z_][A-Za-z0-9_]{0,62}$ ]] || fail "POSTGRES_USER is invalid"
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postgres_password="$(read_env_value POSTGRES_PASSWORD)"
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if [[ -z "$postgres_password" || "$postgres_password" == generate ]]; then
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postgres_password="$(generate_alphanumeric 48)"
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fi
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[[ "$postgres_password" =~ ^[A-Za-z0-9]{32,128}$ ]] ||
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fail "POSTGRES_PASSWORD must contain 32 to 128 alphanumeric characters"
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auth_secret="$(read_env_value AUTH_SECRET)"
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if [[ -z "$auth_secret" || "$auth_secret" == generate ]]; then
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auth_secret="$(openssl rand -hex 32)"
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fi
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[[ "$auth_secret" =~ ^[A-Fa-f0-9]{64,128}$ ]] ||
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fail "AUTH_SECRET must contain 64 to 128 hexadecimal characters"
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data_raw="$(read_env_value APP_DATA_DIR)"
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[[ -n "$data_raw" && "$data_raw" != /* ]] || fail "APP_DATA_DIR must be a non-empty relative path"
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case "$data_raw" in
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*$'\n'* | *$'\r'* | *\\* | *:* | *'$'* | *'#'* | *'"'* | *"'"*)
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fail "APP_DATA_DIR contains unsupported characters"
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;;
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esac
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relative_data="${data_raw#./}"
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[[ -n "$relative_data" ]] || fail "APP_DATA_DIR must not resolve to the version root"
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current="$ROOT_DIR"
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IFS=/ read -r -a components <<< "$relative_data"
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for component in "${components[@]}"; do
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[[ -n "$component" && "$component" != . && "$component" != .. ]] || fail "APP_DATA_DIR contains traversal"
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current="$current/$component"
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[[ ! -L "$current" ]] || fail "APP_DATA_DIR must not contain symbolic-link components"
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done
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data_dir="$(realpath -m -- "$ROOT_DIR/$relative_data")"
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case "$data_dir" in
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"$ROOT_DIR"/*) ;;
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*) fail "APP_DATA_DIR must stay inside the application version directory" ;;
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esac
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install -d -m 0700 -- "$data_dir/postgres"
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resolved_data="$(realpath -e -- "$data_dir")"
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case "$resolved_data" in
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"$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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chown -R 70:70 -- "$resolved_data/postgres"
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chmod 0700 -- "$resolved_data/postgres"
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set_env_value POSTGRES_PASSWORD "$postgres_password"
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set_env_value AUTH_SECRET "$auth_secret"
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chmod 600 "$ENV_FILE"
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