Files
appstore/apps/zipline/latest/scripts/init.sh
T
2026-07-28 21:17:38 +08:00

139 lines
4.6 KiB
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#!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
ENV_FILE="${ENV_FILE:-${ROOT_DIR}/.env}"
fail() {
printf '%s\n' "$1" >&2
exit 1
}
read_env_value() {
local key="$1"
local value
value="$(sed -n "s/^${key}=//p" "$ENV_FILE" | tail -n 1)"
case "$value" in
\"*\") value="${value#\"}"; value="${value%\"}" ;;
\'*\') value="${value#\'}"; value="${value%\'}" ;;
esac
printf '%s\n' "$value"
}
set_env_value() {
local key="$1"
local value="$2"
local temp_file
temp_file="$(mktemp "${ROOT_DIR}/.zipline-env.tmp.XXXXXX")"
awk -v key="$key" -v value="$value" '
BEGIN { written = 0 }
$0 ~ "^" key "=" {
if (!written) {
print key "=" value
written = 1
}
next
}
{ print }
END { if (!written) print key "=" value }
' "$ENV_FILE" > "$temp_file"
chmod 600 "$temp_file"
mv -f -- "$temp_file" "$ENV_FILE"
}
validate_ipv4() {
local key="$1"
local value="$2"
local octet
local -a octets
[[ "$value" =~ ^[0-9]{1,3}(\.[0-9]{1,3}){3}$ ]] || fail "$key must be an IPv4 address"
IFS=. read -r -a octets <<< "$value"
for octet in "${octets[@]}"; do
((10#$octet <= 255)) || fail "$key contains an invalid IPv4 octet"
done
}
validate_port() {
local value="$1"
[[ "$value" =~ ^[0-9]+$ ]] || fail "PANEL_APP_PORT_HTTP must be an integer"
((10#$value >= 1 && 10#$value <= 65535)) || fail "PANEL_APP_PORT_HTTP must be between 1 and 65535"
}
generate_alphanumeric() {
local length="$1"
local material
material="$(openssl rand -base64 96 | tr -dc A-Za-z0-9)"
[[ ${#material} -ge $length ]] || fail "unable to generate sufficient random material"
printf '%s\n' "${material:0:length}"
}
[[ -f "$ENV_FILE" ]] || fail "$ENV_FILE not found"
[[ ! -L "$ENV_FILE" ]] || fail "$ENV_FILE must not be a symbolic link"
[[ "$(id -u)" -eq 0 ]] || fail "Zipline init must run as root"
command -v openssl >/dev/null 2>&1 || fail "openssl is required to generate credentials"
validate_ipv4 PANEL_APP_BIND_ADDRESS "$(read_env_value PANEL_APP_BIND_ADDRESS)"
validate_port "$(read_env_value PANEL_APP_PORT_HTTP)"
postgres_db="$(read_env_value POSTGRES_DB)"
postgres_user="$(read_env_value POSTGRES_USER)"
[[ "$postgres_db" =~ ^[A-Za-z_][A-Za-z0-9_]{0,62}$ ]] || fail "POSTGRES_DB is invalid"
[[ "$postgres_user" =~ ^[A-Za-z_][A-Za-z0-9_]{0,62}$ ]] || fail "POSTGRES_USER is invalid"
postgres_password="$(read_env_value POSTGRES_PASSWORD)"
if [[ -z "$postgres_password" || "$postgres_password" == generate ]]; then
postgres_password="$(generate_alphanumeric 48)"
fi
[[ "$postgres_password" =~ ^[A-Za-z0-9]{32,128}$ ]] ||
fail "POSTGRES_PASSWORD must contain 32 to 128 alphanumeric characters"
core_secret="$(read_env_value CORE_SECRET)"
if [[ -z "$core_secret" || "$core_secret" == generate ]]; then
core_secret="$(openssl rand -hex 32)"
fi
[[ "$core_secret" =~ ^[A-Fa-f0-9]{64,128}$ ]] ||
fail "CORE_SECRET must contain 64 to 128 hexadecimal characters"
max_file_size="$(read_env_value FILES_MAX_FILE_SIZE)"
[[ "$max_file_size" =~ ^[1-9][0-9]*(b|kb|mb|gb|tb)$ ]] ||
fail "FILES_MAX_FILE_SIZE must be a positive byte quantity such as 100mb"
data_raw="$(read_env_value APP_DATA_DIR)"
[[ -n "$data_raw" && "$data_raw" != /* ]] || fail "APP_DATA_DIR must be a non-empty relative path"
case "$data_raw" in
*$'\n'* | *$'\r'* | *\\* | *:* | *'$'* | *'#'* | *'"'* | *"'"*)
fail "APP_DATA_DIR contains unsupported characters"
;;
esac
relative_data="${data_raw#./}"
[[ -n "$relative_data" ]] || fail "APP_DATA_DIR must not resolve to the version root"
current="$ROOT_DIR"
IFS=/ read -r -a components <<< "$relative_data"
for component in "${components[@]}"; do
[[ -n "$component" && "$component" != . && "$component" != .. ]] || fail "APP_DATA_DIR contains traversal"
current="$current/$component"
[[ ! -L "$current" ]] || fail "APP_DATA_DIR must not contain symbolic-link components"
done
data_dir="$(realpath -m -- "$ROOT_DIR/$relative_data")"
case "$data_dir" in
"$ROOT_DIR"/*) ;;
*) fail "APP_DATA_DIR must stay inside the application version directory" ;;
esac
install -d -m 0700 -- "$data_dir/postgres"
install -d -m 0750 -- "$data_dir/uploads" "$data_dir/public" "$data_dir/themes"
resolved_data="$(realpath -e -- "$data_dir")"
case "$resolved_data" in
"$ROOT_DIR"/*) ;;
*) fail "APP_DATA_DIR resolves outside the application version directory" ;;
esac
chown -R 70:70 -- "$resolved_data/postgres"
chown -R 1000:1000 -- "$resolved_data/uploads" "$resolved_data/public" "$resolved_data/themes"
chmod 0700 -- "$resolved_data/postgres"
set_env_value POSTGRES_PASSWORD "$postgres_password"
set_env_value CORE_SECRET "$core_secret"
chmod 600 "$ENV_FILE"