ipcheck 流媒体与 IP 检测

#!/usr/bin/env bash
# Served by xyz.sh/ipcheck
# Human-readable page: https://xyz.sh/ipcheck
# This file is the common library followed by the script body.
# No telemetry is added by xyz.sh.
# =============================================================================
# xyz.sh common library
# Shared helpers for every script served by xyz.sh.
#
# Promises:
#   - No telemetry, analytics, or background "phone-home" calls
#   - No hidden installs or config changes beyond what the script announces
#   - Official upstream URLs are printed before any remote code is executed
#   - Destructive or system-changing steps ask for confirmation (or YES=1 / -y)
# =============================================================================

if [[ -n "${XYZ_COMMON_LOADED:-}" ]]; then
  # When sourced a second time, return. When executed as a file, return fails.
  # shellcheck disable=SC2317
  return 0 2>/dev/null || true
fi
# shellcheck disable=SC2034
XYZ_COMMON_LOADED=1

set -euo pipefail

XYZ_VERSION="1.3.0"
XYZ_BASE="${XYZ_BASE:-https://xyz.sh}"
XYZ_NAME="${XYZ_NAME:-unknown}"

# --- language ---------------------------------------------------------------
# Override with XYZ_LANG=zh or XYZ_LANG=en.
if [[ -z "${XYZ_LANG:-}" ]]; then
  case "${LC_ALL:-${LC_MESSAGES:-${LANG:-}}}" in
    zh*|ZH*|cmn*|CMN*) XYZ_LANG="zh" ;;
    *) XYZ_LANG="en" ;;
  esac
fi

xyz_t() {
  # xyz_t "English text" "中文文本"
  if [[ "${XYZ_LANG}" == "zh" ]]; then
    printf '%s' "${2:-$1}"
  else
    printf '%s' "$1"
  fi
}

# --- colors (TTY only) ------------------------------------------------------
# XYZ_COLOR=always|never|auto (default auto: TTY and no NO_COLOR); --no-color.
_xyz_color=0
case "${XYZ_COLOR:-auto}" in
  always) _xyz_color=1 ;;
  never) _xyz_color=0 ;;
  *) [[ -t 1 && -z "${NO_COLOR:-}" ]] && _xyz_color=1 ;;
esac
[[ "${XYZ_NO_COLOR:-0}" == "1" ]] && _xyz_color=0
if [[ "${_xyz_color}" == "1" ]]; then
  XYZ_C_RESET=$'\033[0m'
  XYZ_C_BOLD=$'\033[1m'
  XYZ_C_DIM=$'\033[2m'
  XYZ_C_RED=$'\033[31m'
  XYZ_C_GREEN=$'\033[32m'
  XYZ_C_YELLOW=$'\033[33m'
  XYZ_C_CYAN=$'\033[36m'
else
  XYZ_C_RESET=""
  XYZ_C_BOLD=""
  XYZ_C_DIM=""
  XYZ_C_RED=""
  XYZ_C_GREEN=""
  XYZ_C_YELLOW=""
  XYZ_C_CYAN=""
fi

xyz_info()  { printf '%s[INFO]%s %s\n'  "${XYZ_C_GREEN}"  "${XYZ_C_RESET}" "$*"; }
xyz_warn()  { printf '%s[WARN]%s %s\n'  "${XYZ_C_YELLOW}" "${XYZ_C_RESET}" "$*" >&2; }
xyz_error() { printf '%s[ERROR]%s %s\n' "${XYZ_C_RED}"    "${XYZ_C_RESET}" "$*" >&2; }
xyz_step()  { printf '%s==>%s %s\n'     "${XYZ_C_CYAN}"   "${XYZ_C_RESET}" "$*"; }

# --- args / init ------------------------------------------------------------
XYZ_ARGS=()
XYZ_YES=0
XYZ_DRY_RUN=0

xyz_parse_global_args() {
  local filtered=()
  local arg
  for arg in "$@"; do
    case "${arg}" in
      -y|--yes)
        XYZ_YES=1
        ;;
      --lang=zh|zh)
        XYZ_LANG="zh"
        ;;
      --lang=en|en)
        XYZ_LANG="en"
        ;;
      --dry-run)
        XYZ_DRY_RUN=1
        ;;
      --no-color)
        XYZ_NO_COLOR=1
        XYZ_C_RESET=""; XYZ_C_BOLD=""; XYZ_C_DIM=""; XYZ_C_RED=""
        XYZ_C_GREEN=""; XYZ_C_YELLOW=""; XYZ_C_CYAN=""
        ;;
      --help|-h)
        XYZ_HELP=1
        filtered+=("${arg}")
        ;;
      *)
        filtered+=("${arg}")
        ;;
    esac
  done
  XYZ_ARGS=("${filtered[@]+"${filtered[@]}"}")
  if [[ "${YES:-}" =~ ^(1|yes|true|YES)$ || "${XYZ_ASSUME_YES:-}" == "1" ]]; then
    XYZ_YES=1
  fi
  # Exported so individual scripts can read flags set here.
  export XYZ_ARGS XYZ_YES XYZ_LANG XYZ_HELP="${XYZ_HELP:-}" XYZ_DRY_RUN="${XYZ_DRY_RUN:-0}"
  export XYZ_NO_COLOR="${XYZ_NO_COLOR:-0}"
  if declare -F xyz_ui_init >/dev/null; then xyz_ui_init; fi
}

xyz_banner() {
  local title="${XYZ_TITLE:-$XYZ_NAME}"
  printf '\n%s%sxyz.sh/%s%s  v%s\n' "${XYZ_C_BOLD}" "${XYZ_C_CYAN}" "${XYZ_NAME}" "${XYZ_C_RESET}" "${XYZ_VERSION}"
  printf '%s\n' "${XYZ_C_DIM}----------------------------------------${XYZ_C_RESET}"
  printf '  %s: %s/%s\n' "$(xyz_t "Page" "页面")" "${XYZ_BASE}" "${XYZ_NAME}"
  printf '  %s: %s/%s.sh\n' "$(xyz_t "Raw" "源码")" "${XYZ_BASE}" "${XYZ_NAME}"
  if [[ -n "${XYZ_UPSTREAM:-}" ]]; then
    printf '  %s: %s\n' "$(xyz_t "Upstream" "上游来源")" "${XYZ_UPSTREAM}"
  fi
  printf '  %s\n' "$(xyz_t "No telemetry, no hidden actions." "无遥测、无隐藏操作。")"
  printf '%s\n\n' "${XYZ_C_DIM}----------------------------------------${XYZ_C_RESET}"
  if [[ -n "${title}" && "${title}" != "${XYZ_NAME}" ]]; then
    xyz_step "${title}"
  fi
}

xyz_init() {
  xyz_parse_global_args "$@"
  xyz_detect_os
  xyz_banner
}

# --- root / OS --------------------------------------------------------------
xyz_is_root() {
  [[ "${EUID:-$(id -u)}" -eq 0 ]]
}

xyz_require_root() {
  if ! xyz_is_root; then
    xyz_error "$(xyz_t \
      "This script must be run as root. Try: sudo bash" \
      "请使用 root 运行。可尝试：sudo bash")"
    exit 1
  fi
}

xyz_prefer_root() {
  if ! xyz_is_root; then
    xyz_warn "$(xyz_t \
      "Not running as root; some information or tests may be limited." \
      "当前不是 root，部分信息或测试可能不完整。")"
  fi
}

XYZ_OS_ID=""
XYZ_OS_LIKE=""
XYZ_OS_VERSION=""
XYZ_OS_FAMILY=""   # debian | rhel | unknown
XYZ_OS_PRETTY=""

xyz_detect_os() {
  XYZ_OS_ID=""
  XYZ_OS_LIKE=""
  XYZ_OS_VERSION=""
  XYZ_OS_FAMILY="unknown"
  XYZ_OS_PRETTY="unknown"
  if [[ -r /etc/os-release ]]; then
    # shellcheck disable=SC1091
    . /etc/os-release
    XYZ_OS_ID="${ID:-}"
    XYZ_OS_LIKE="${ID_LIKE:-}"
    XYZ_OS_VERSION="${VERSION_ID:-}"
    XYZ_OS_PRETTY="${PRETTY_NAME:-$XYZ_OS_ID}"
    export XYZ_OS_ID XYZ_OS_LIKE XYZ_OS_VERSION XYZ_OS_FAMILY XYZ_OS_PRETTY
  fi
  case "${XYZ_OS_ID}" in
    debian|ubuntu)
      XYZ_OS_FAMILY="debian"
      ;;
    centos|rhel|rocky|almalinux|alma|fedora)
      XYZ_OS_FAMILY="rhel"
      ;;
    *)
      case " ${XYZ_OS_ID} ${XYZ_OS_LIKE} " in
        *debian*|*ubuntu*) XYZ_OS_FAMILY="debian" ;;
        *rhel*|*centos*|*fedora*|*rocky*|*alma*) XYZ_OS_FAMILY="rhel" ;;
        *) : ;;
      esac
      ;;
  esac
}

xyz_os_supported() {
  case "${XYZ_OS_ID}" in
    debian|ubuntu|centos|rocky|almalinux) return 0 ;;
    *) : ;;
  esac
  case " ${XYZ_OS_LIKE} " in
    *debian*|*ubuntu*|*rhel*|*centos*|*rocky*|*alma*) return 0 ;;
    *) : ;;
  esac
  return 1
}

xyz_require_supported_os() {
  xyz_detect_os
  if ! xyz_os_supported; then
    xyz_warn "$(xyz_t \
      "Unrecognized distribution: ${XYZ_OS_ID:-unknown} (${XYZ_OS_PRETTY}). Officially supported: Debian, Ubuntu, CentOS, Rocky, AlmaLinux." \
      "未能识别的发行版：${XYZ_OS_ID:-unknown}（${XYZ_OS_PRETTY}）。官方支持：Debian、Ubuntu、CentOS、Rocky、AlmaLinux。")"
    if ! xyz_confirm "$(xyz_t "Continue anyway?" "仍然继续？")"; then
      exit 1
    fi
  else
    xyz_info "$(xyz_t "Detected OS:" "检测到系统：") ${XYZ_OS_PRETTY} (${XYZ_OS_FAMILY})"
  fi
}

# --- packages / commands ----------------------------------------------------
xyz_need_cmd() {
  command -v "$1" >/dev/null 2>&1
}

xyz_pkg_install() {
  xyz_detect_os
  if (( $# == 0 )); then
    return 0
  fi
  case "${XYZ_OS_FAMILY}" in
    debian)
      export DEBIAN_FRONTEND=noninteractive
      apt-get update -y || xyz_warn "$(xyz_t "apt-get update reported errors (a repository may be unreachable); trying to install anyway." "apt-get update 报错（可能有软件源无法访问），仍尝试安装。")"
      apt-get install -y --no-install-recommends "$@"
      ;;
    rhel)
      if xyz_need_cmd dnf; then
        dnf install -y "$@"
      elif xyz_need_cmd yum; then
        yum install -y "$@"
      else
        xyz_error "$(xyz_t "Neither dnf nor yum is available." "找不到 dnf 或 yum。")"
        exit 1
      fi
      ;;
    *)
      xyz_error "$(xyz_t "Cannot install packages on this OS automatically." "无法在此系统上自动安装软件包。")"
      exit 1
      ;;
  esac
}

xyz_ensure_cmds() {
  local pkg
  local missing=()
  for pkg in "$@"; do
    if ! xyz_need_cmd "${pkg}"; then
      missing+=("${pkg}")
    fi
  done
  if ((${#missing[@]} > 0)); then
    xyz_info "$(xyz_t "Installing missing commands:" "正在安装缺失命令：") ${missing[*]}"
    xyz_pkg_install "${missing[@]}"
  fi
}

# --- confirmation (safe with curl | bash) -----------------------------------
# A readable /dev/tty node is not enough: in containers or curl|bash without a
# controlling terminal, open() fails with ENXIO ("No such device or address").
# [[ -r /dev/tty ]] is true in that case and must not be used as the check.
xyz_open_tty() {
  # Opens /dev/tty into XYZ_TTY_FD if it is a real terminal. Caller must close.
  local fd
  XYZ_TTY_FD=""
  # Brace group so a failed open cannot leak "No such device or address".
  if { exec {fd}<>/dev/tty; } 2>/dev/null && [[ -t "${fd}" ]]; then
    XYZ_TTY_FD="${fd}"
    return 0
  fi
  if [[ -n "${fd:-}" ]]; then
    exec {fd}>&- 2>/dev/null || true
  fi
  return 1
}

xyz_close_tty() {
  if [[ -n "${XYZ_TTY_FD:-}" ]]; then
    exec {XYZ_TTY_FD}>&- 2>/dev/null || true
    XYZ_TTY_FD=""
  fi
}

xyz_confirm() {
  local prompt="$1"
  if [[ "${XYZ_YES}" == "1" ]]; then
    xyz_info "$(xyz_t "Auto-confirmed (-y / YES=1):" "已自动确认（-y / YES=1）：") ${prompt}"
    return 0
  fi
  local reply=""
  if xyz_open_tty; then
    printf '%s [y/N] ' "${prompt}" >&"${XYZ_TTY_FD}"
    # shellcheck disable=SC2162
    read -r reply <&"${XYZ_TTY_FD}" || true
    xyz_close_tty
  else
    xyz_warn "$(xyz_t \
      "No TTY available for confirmation. Re-run with -y or YES=1 if you accept." \
      "没有可用的终端来确认。若你已了解并同意，请加 -y 或 YES=1 重试。")"
    return 1
  fi
  case "${reply}" in
    y|Y|yes|YES|Yes) return 0 ;;
    *) return 1 ;;
  esac
}

# --- download helpers -------------------------------------------------------
# Create the temp dir in the main shell. xyz_tmpdir is usually called inside
# $(...), a subshell, so creating it (and its EXIT trap) there would delete the
# directory as soon as the subshell returned.
xyz_init_tmpdir() {
  if [[ -z "${XYZ_TMPDIR:-}" || ! -d "${XYZ_TMPDIR}" ]]; then
    XYZ_TMPDIR="$(mktemp -d "${TMPDIR:-/tmp}/xyzsh.XXXXXX")"
    # shellcheck disable=SC2064
    trap "rm -rf '${XYZ_TMPDIR}'" EXIT
  fi
}

xyz_tmpdir() {
  if [[ -z "${XYZ_TMPDIR:-}" || ! -d "${XYZ_TMPDIR}" ]]; then
    xyz_error "internal: temp dir not initialised"
    exit 1
  fi
  printf '%s' "${XYZ_TMPDIR}"
}

xyz_fetch() {
  # xyz_fetch URL DEST
  local url="$1"
  local dest="$2"
  xyz_info "$(xyz_t "Downloading" "正在下载"): ${url}"
  xyz_info "$(xyz_t "Saving to" "保存到"): ${dest}"
  if xyz_need_cmd curl; then
    curl -fsSL --connect-timeout 20 --max-time 180 --retry 2 --retry-delay 1 \
      -o "${dest}" "${url}"
  elif xyz_need_cmd wget; then
    wget -q --timeout=60 -O "${dest}" "${url}"
  else
    xyz_error "$(xyz_t "Need curl or wget to download files." "需要 curl 或 wget 才能下载文件。")"
    exit 1
  fi
  if [[ ! -s "${dest}" ]]; then
    xyz_error "$(xyz_t "Download failed or file is empty:" "下载失败或文件为空：") ${url}"
    exit 1
  fi
  if xyz_need_cmd sha256sum; then
    xyz_info "SHA256: $(sha256sum "${dest}" | awk '{print $1}')"
  elif xyz_need_cmd shasum; then
    xyz_info "SHA256: $(shasum -a 256 "${dest}" | awk '{print $1}')"
  fi
}

xyz_run_upstream() {
  # xyz_run_upstream URL [args...]
  # Downloads an official installer, shows the URL and a short preview, then
  # runs it only after confirmation (unless -y / YES=1).
  local url="$1"
  shift
  local dest
  xyz_init_tmpdir
  dest="$(xyz_tmpdir)/upstream.sh"
  xyz_fetch "${url}" "${dest}"
  chmod +x "${dest}"
  xyz_info "$(xyz_t "Preview (first 20 lines):" "预览（前 20 行）：")"
  sed -n '1,20p' "${dest}" || true
  printf '%s\n' "${XYZ_C_DIM}...${XYZ_C_RESET}"
  # Default --dry-run: verify the download and preview, do not execute.
  # Scripts that forward --dry-run to upstream (e.g. docker) set
  # XYZ_FORWARD_DRY_RUN=1 so the official script still runs with that flag.
  if [[ "${XYZ_DRY_RUN:-0}" == "1" && "${XYZ_FORWARD_DRY_RUN:-0}" != "1" ]]; then
    xyz_info "$(xyz_t \
      "Dry-run: official script downloaded and previewed; not executing it." \
      "演练模式：已下载并预览官方脚本，不会执行。")"
    return 0
  fi
  if ! xyz_confirm "$(xyz_t \
    "Run this official upstream script?" \
    "运行这份官方上游脚本？")"; then
    xyz_error "$(xyz_t "Aborted by user." "已取消。")"
    exit 1
  fi
  xyz_step "$(xyz_t "Executing upstream script" "正在执行上游脚本")"
  # Never let the upstream script inherit our stdin: under `curl | bash` that
  # is the rest of this very script. Give it the terminal if there is one,
  # otherwise /dev/null. Interactive installers set XYZ_UPSTREAM_NEEDS_TTY=1.
  if xyz_open_tty; then
    local tty_fd="${XYZ_TTY_FD}"
    XYZ_TTY_FD=""
    bash "${dest}" "$@" <&"${tty_fd}"
    local rc=$?
    exec {tty_fd}>&- 2>/dev/null || true
    return "${rc}"
  fi
  if [[ "${XYZ_UPSTREAM_NEEDS_TTY:-0}" == "1" ]]; then
    xyz_error "$(xyz_t \
      "This official installer is interactive and needs a terminal. Log in with SSH and run: bash <(curl -fsSL ${XYZ_BASE}/${XYZ_NAME})" \
      "这个官方安装脚本需要交互，必须在终端里运行。请用 SSH 登录后执行：bash <(curl -fsSL ${XYZ_BASE}/${XYZ_NAME})")"
    exit 1
  fi
  bash "${dest}" "$@" </dev/null
}

# --- small shared helpers ----------------------------------------------------
xyz_strip_ansi() {
  sed -e 's/\x1b\[[0-9;?]*[A-Za-z]//g' -e 's/\r//g'
}

# Effective SSH port: sshd -T (what sshd really uses) > config files > env > 22.
xyz_effective_ssh_port() {
  local port=""
  if xyz_need_cmd sshd; then
    port="$(sshd -T 2>/dev/null | awk '$1=="port" {print $2; exit}' || true)"
  fi
  if [[ -z "${port}" && -d /etc/ssh/sshd_config.d ]]; then
    port="$(cat /etc/ssh/sshd_config.d/*.conf 2>/dev/null | awk 'tolower($1)=="port" {print $2; exit}' || true)"
  fi
  if [[ -z "${port}" && -f /etc/ssh/sshd_config ]]; then
    port="$(awk 'tolower($1)=="port" {print $2; exit}' /etc/ssh/sshd_config || true)"
  fi
  if [[ -z "${port}" && -n "${SSH_CONNECTION:-}" ]]; then
    port="$(printf '%s' "${SSH_CONNECTION}" | awk '{print $4}')"
  fi
  printf '%s' "${port:-22}"
}

xyz_has_systemd() {
  [[ -d /run/systemd/system ]] && xyz_need_cmd systemctl
}

# Back up a file once per run as FILE.xyz-bak-YYYYmmddHHMMSS and print the path.
xyz_backup_file() {
  local f="$1"
  local bak
  bak="${f}.xyz-bak-$(date +%Y%m%d%H%M%S)"
  if [[ -e "${f}" ]]; then
    cp -a "${f}" "${bak}"
    printf '%s' "${bak}"
  fi
}

# --- misc -------------------------------------------------------------------
xyz_usage_exit() {
  if [[ "${1:-}" != "" ]]; then
    printf '%s\n' "$1"
  fi
  exit 0
}

# xyz.sh terminal report helpers: frames, colored badges, bar charts.
# Shared by speedtest-cn, route, unlock and all. Pure bash, no telemetry.
#
# Colors: on only when stdout is a terminal (or XYZ_COLOR=always). Off with
# --no-color, NO_COLOR=1 or XYZ_COLOR=never.
# Glyphs: Unicode box drawing when the locale is UTF-8, otherwise ASCII
# (force with XYZ_ASCII=1 or XYZ_UTF8=1). Frames are 78 columns wide.

# shellcheck disable=SC2034
XYZ_UI_LOADED=1
XYZ_UI_WIDTH=78

xyz_ui_init() {
  local want="${XYZ_COLOR:-auto}"
  [[ "${want}" == "auto" && -n "${NO_COLOR:-}" ]] && want="never"
  [[ "${XYZ_NO_COLOR:-0}" == "1" ]] && want="never"
  XYZ_UI_COLOR=0
  case "${want}" in
    always) XYZ_UI_COLOR=1 ;;
    never) XYZ_UI_COLOR=0 ;;
    *) [[ -t 1 ]] && XYZ_UI_COLOR=1 ;;
  esac
  if [[ "${XYZ_UI_COLOR}" == "1" ]]; then
    U_X=$'\033[0m'; U_B=$'\033[1m'; U_D=$'\033[2m'
    U_RED=$'\033[31m'; U_G=$'\033[32m'; U_Y=$'\033[33m'
    U_BL=$'\033[34m'; U_M=$'\033[35m'; U_C=$'\033[36m'
  else
    U_X=""; U_B=""; U_D=""; U_RED=""; U_G=""; U_Y=""; U_BL=""; U_M=""; U_C=""
  fi
  XYZ_UI_UTF8=0
  if [[ "${XYZ_ASCII:-0}" != "1" ]]; then
    case "${LC_ALL:-${LC_CTYPE:-${LANG:-}}}" in
      *[Uu][Tt][Ff]-8*|*[Uu][Tt][Ff]8*) XYZ_UI_UTF8=1 ;;
      *) XYZ_UI_UTF8=0 ;;
    esac
    [[ "${XYZ_UTF8:-0}" == "1" ]] && XYZ_UI_UTF8=1
  fi
  if [[ "${XYZ_UI_UTF8}" == "1" ]]; then
    G_H="─"; G_V="│"; G_TL="╭"; G_TR="╮"; G_BL="╰"; G_BR="╯"; G_LT="├"; G_RT="┤"
    G_FULL="█"; G_EMPTY="░"; G_OK="✔"; G_BAD="✘"; G_UNK="?"; G_DOT="●"; G_STAR="★"
    G_DOWN="↓"; G_UP="↑"; G_WARN="⚠"; G_MID="·"; G_TIMES="×"
  else
    G_H="-"; G_V="|"; G_TL="+"; G_TR="+"; G_BL="+"; G_BR="+"; G_LT="+"; G_RT="+"
    G_FULL="#"; G_EMPTY="."; G_OK="+"; G_BAD="x"; G_UNK="?"; G_DOT="*"; G_STAR="*"
    G_DOWN="v"; G_UP="^"; G_WARN="!"; G_MID="-"; G_TIMES="x"
  fi
}

# Display width of a string: ANSI codes removed, CJK counted as 2 columns.
xyz_ui_w() {
  local s="$1" pre rest
  while [[ "${s}" == *$'\033['* ]]; do
    pre="${s%%$'\033['*}"
    rest="${s#*$'\033['}"
    rest="${rest#*m}"
    s="${pre}${rest}"
  done
  local LC_ALL=C
  local a="${s//[^ -~]/}"
  local one="${s//[^$'\xc2'-$'\xdf'$'\xe2']/}"
  local two="${s//[^$'\xe3'-$'\xef']/}"
  printf '%d' $(( ${#a} + ${#one} + 2 * ${#two} ))
}

xyz_ui_rep() {
  # xyz_ui_rep CHAR N
  local out="" n="$2"
  while (( n > 0 )); do out="${out}$1"; n=$((n - 1)); done
  printf '%s' "${out}"
}

xyz_ui_pad() {
  # xyz_ui_pad TEXT WIDTH  (left aligned, never truncates)
  local w
  w="$(xyz_ui_w "$1")"
  printf '%s%s' "$1" "$(xyz_ui_rep ' ' $(( $2 - w )))"
}

xyz_ui_lpad() {
  # xyz_ui_lpad TEXT WIDTH  (right aligned)
  local w
  w="$(xyz_ui_w "$1")"
  printf '%s%s' "$(xyz_ui_rep ' ' $(( $2 - w )))" "$1"
}

xyz_ui_top() {
  local title=" $1 " w
  w="$(xyz_ui_w "${title}")"
  printf '%s%s%s%s%s%s%s\n' "${U_C}" "${G_TL}${G_H}" "${U_X}${U_B}" "${title}" "${U_X}${U_C}" \
    "$(xyz_ui_rep "${G_H}" $(( XYZ_UI_WIDTH - 3 - w )))${G_TR}" "${U_X}"
}

xyz_ui_sep() {
  local label="${1:-}" w=0
  if [[ -n "${label}" ]]; then
    label=" ${label} "
    w="$(xyz_ui_w "${label}")"
    printf '%s%s%s%s%s%s%s\n' "${U_C}" "${G_LT}${G_H}" "${U_X}${U_B}" "${label}" "${U_X}${U_C}" \
      "$(xyz_ui_rep "${G_H}" $(( XYZ_UI_WIDTH - 3 - w )))${G_RT}" "${U_X}"
  else
    printf '%s%s%s\n' "${U_C}" "${G_LT}$(xyz_ui_rep "${G_H}" $(( XYZ_UI_WIDTH - 2 )))${G_RT}" "${U_X}"
  fi
}

xyz_ui_row() {
  local text="$1" inner=$(( XYZ_UI_WIDTH - 4 )) plain
  if (( $(xyz_ui_w "${text}") > inner )); then
    # too wide: drop colors and cut to fit, ending with "~"
    plain="$(printf '%s' "${text}" | sed 's/\x1b\[[0-9;]*m//g')"
    plain="${plain:0:inner}"
    while (( $(xyz_ui_w "${plain}") > inner - 1 )); do plain="${plain%?}"; done
    text="${plain}~"
  fi
  printf '%s%s%s %s %s%s%s\n' "${U_C}" "${G_V}" "${U_X}" "$(xyz_ui_pad "${text}" "${inner}")" "${U_C}" "${G_V}" "${U_X}"
}

xyz_ui_bottom() {
  printf '%s%s%s\n' "${U_C}" "${G_BL}$(xyz_ui_rep "${G_H}" $(( XYZ_UI_WIDTH - 2 )))${G_BR}" "${U_X}"
}

xyz_ui_bar() {
  # xyz_ui_bar VALUE MAX WIDTH [COLOR]  -> filled/empty bar (at least 1 cell if VALUE > 0)
  local n color="${4:-${U_G}}"
  n="$(awk -v v="${1:-0}" -v m="${2:-0}" -v w="$3" 'BEGIN {
    if (m <= 0 || v <= 0) { print 0; exit }
    n = int(v / m * w + 0.5); if (n < 1) n = 1; if (n > w) n = w; print n }')"
  printf '%s%s%s%s%s' "${color}" "$(xyz_ui_rep "${G_FULL}" "${n}")" "${U_D}" "$(xyz_ui_rep "${G_EMPTY}" $(( $3 - n )))" "${U_X}"
}

xyz_ui_usage() {
  # xyz_ui_usage PERCENT WIDTH -> colored usage bar + percent (red > 90, yellow > 75)
  local p="${1:-0}" color="${U_G}"
  p="${p%%.*}"; [[ "${p}" =~ ^[0-9]+$ ]] || p=0
  (( p > 75 )) && color="${U_Y}"
  (( p > 90 )) && color="${U_RED}"
  printf '%s %s%3d%%%s' "$(xyz_ui_bar "${p}" 100 "$2" "${color}")" "${color}" "${p}" "${U_X}"
}

xyz_ui_badge() {
  # xyz_ui_badge yes|no|partial|unknown|ok|skip [TEXT]
  local txt="${2:-}"
  case "$1" in
    yes|ok) printf '%s%s %s%s' "${U_G}" "${G_OK}" "${txt:-$(xyz_t "yes" "解锁")}" "${U_X}" ;;
    no|fail) printf '%s%s %s%s' "${U_RED}" "${G_BAD}" "${txt:-$(xyz_t "no" "不可用")}" "${U_X}" ;;
    partial) printf '%s%s %s%s' "${U_Y}" "${G_UNK}" "${txt:-$(xyz_t "partial" "部分")}" "${U_X}" ;;
    skip) printf '%s%s %s%s' "${U_D}" "-" "${txt:-$(xyz_t "skipped" "跳过")}" "${U_X}" ;;
    *) printf '%s%s %s%s' "${U_Y}" "${G_UNK}" "${txt:-$(xyz_t "unknown" "未知")}" "${U_X}" ;;
  esac
}

xyz_ui_line_class() {
  # premium | good | ordinary | other
  case "$1" in
    CN2-GIA|9929/CUII|9929|CMIN2) printf 'premium' ;;
    CN2-GT) printf 'good' ;;
    163|4837|CMI|CMNET) printf 'ordinary' ;;
    *) printf 'other' ;;
  esac
}

xyz_ui_linetags() {
  # xyz_ui_linetags "CN2-GIA 9929/CUII" -> colored tags
  local t out="" c
  for t in $1; do
    case "$(xyz_ui_line_class "${t}")" in
      premium) c="${U_G}${U_B}" ;;
      good) c="${U_C}" ;;
      ordinary) c="${U_Y}" ;;
      *) c="${U_D}" ;;
    esac
    out="${out}${out:+ }${c}${t}${U_X}"
  done
  printf '%s' "${out:-${U_D}?${U_X}}"
}

xyz_ui_fill() {
  # Replace empty TSV fields with "-" (bash read collapses consecutive tabs).
  awk -F'\t' -v OFS='\t' '{ for (i = 1; i <= NF; i++) if ($i == "") $i = "-"; print }' "$1"
}

xyz_ui_carrier() {
  case "$1" in
    nearest) xyz_t "Local" "本地" ;;
    ct) xyz_t "Telecom" "电信" ;;
    cu) xyz_t "Unicom" "联通" ;;
    cm) xyz_t "Mobile" "移动" ;;
    custom) xyz_t "Custom" "自定义" ;;
    hk) xyz_t "HK" "香港" ;;
    tokyo) xyz_t "Tokyo" "东京" ;;
    singapore) xyz_t "SGP" "新加坡" ;;
    us-west) xyz_t "US West" "美西" ;;
    *) printf '%s' "$1" ;;
  esac
}

xyz_ui_carrier_color() {
  case "$1" in
    ct|tokyo) printf '%s' "${U_BL}" ;;
    cu) printf '%s' "${U_RED}" ;;
    cm|singapore) printf '%s' "${U_G}" ;;
    hk) printf '%s' "${U_Y}" ;;
    *) printf '%s' "${U_M}" ;;
  esac
}

xyz_ui_fmt_num() {
  # 2 decimals below 1000, 1 decimal above
  awk -v v="${1:-0}" 'BEGIN { if (v >= 1000) printf "%.1f", v; else printf "%.2f", v }'
}

# xyz_ui_speed_rows FILE
# FILE: carrier id label down up ping loss status [engine] [note] (TSV, Mbps / ms)
xyz_ui_speed_rows() {
  local f="$1" max carrier id label down up lat loss status engine note head
  [[ -s "${f}" ]] || return 0
  max="$(awk -F'\t' '$8=="ok" { if ($4+0 > m) m = $4+0; if ($5+0 > m) m = $5+0 } END { print m+0 }' "${f}")"
  while IFS=$'\t' read -r carrier id label down up lat loss status engine note; do
    [[ "${engine}" == "-" ]] && engine=""
    head="$(xyz_ui_carrier_color "${carrier}")$(xyz_ui_pad "$(xyz_ui_carrier "${carrier}")" 8)${U_X}${U_B}${label}${U_X}${U_D} #${id}${engine:+ ${G_MID} ${engine}}${U_X}"
    xyz_ui_row "${head}"
    if [[ "${status}" == "ok" ]]; then
      local pc="${U_G}"
      lat="${lat:-?}"
      awk -v p="${lat}" 'BEGIN { exit !(p+0 > 150) }' 2>/dev/null && pc="${U_Y}"
      awk -v p="${lat}" 'BEGIN { exit !(p+0 > 250) }' 2>/dev/null && pc="${U_RED}"
      xyz_ui_row "  ${G_DOWN} $(xyz_ui_bar "${down}" "${max}" 14 "${U_G}") $(xyz_ui_lpad "$(xyz_ui_fmt_num "${down}")" 7) Mbps  ${G_UP} $(xyz_ui_bar "${up}" "${max}" 14 "${U_C}") $(xyz_ui_lpad "$(xyz_ui_fmt_num "${up}")" 7) Mbps  ${pc}$(xyz_ui_lpad "${lat}" 6)ms${U_X}"
    else
      [[ "${note}" == "-" ]] && note=""
      xyz_ui_row "  $(xyz_ui_badge skip "$(xyz_t "skipped" "跳过")")${U_D}${note:+ ${G_MID} ${note:0:62}}${U_X}"
    fi
  done < <(xyz_ui_fill "${f}")
}

xyz_ui_speed_table() {
  # xyz_ui_speed_table FILE TITLE
  xyz_ui_top "$2"
  xyz_ui_speed_rows "$1"
  xyz_ui_bottom
}

# Route grid. FILE: target label kind hops [key]   (key like bj-ct)
xyz_ui_route_key() {
  case "$1" in
    219.141.140.10) printf 'bj-ct' ;; 202.106.195.68) printf 'bj-cu' ;; 221.179.155.161) printf 'bj-cm' ;;
    202.96.209.133) printf 'sh-ct' ;; 210.22.97.1) printf 'sh-cu' ;; 211.136.112.200) printf 'sh-cm' ;;
    58.60.188.222) printf 'gz-ct' ;; 210.21.196.6) printf 'gz-cu' ;; 120.196.165.24) printf 'gz-cm' ;;
    *) printf '' ;;
  esac
}

xyz_ui_route_rows() {
  local f="$1" target label kind hops key city c cell line extra=0
  local -A K=()
  [[ -s "${f}" ]] || return 0
  while IFS=$'\t' read -r target label kind hops key; do
    [[ -z "${key}" || "${key}" == "-" ]] && key="$(xyz_ui_route_key "${target}")"
    if [[ -n "${key}" ]]; then
      K["${key}"]="${kind}"
    else
      extra=1
    fi
  done < <(xyz_ui_fill "${f}")
  if (( ${#K[@]} > 0 )); then
    xyz_ui_row "${U_D}$(xyz_ui_pad "" 10)$(xyz_ui_pad "$(xyz_ui_carrier ct)" 21)$(xyz_ui_pad "$(xyz_ui_carrier cu)" 21)$(xyz_ui_carrier cm)${U_X}"
    for city in bj sh gz; do
      case "${city}" in
        bj) line="$(xyz_ui_pad "$(xyz_t "Beijing" "北京")" 10)" ;;
        sh) line="$(xyz_ui_pad "$(xyz_t "Shanghai" "上海")" 10)" ;;
        *) line="$(xyz_ui_pad "$(xyz_t "Guangzhou" "广州")" 10)" ;;
      esac
      for c in ct cu cm; do
        cell="${K[${city}-${c}]-}"
        [[ "${cell}" == *" ("* || "${cell}" == unknown* || "${cell}" == 未识别* ]] && cell="?"
        if [[ -z "${cell}" ]]; then cell="${U_D}-${U_X}"; else cell="$(xyz_ui_linetags "${cell}")"; fi
        line="${line}$(xyz_ui_pad "${cell}" 21)"
      done
      xyz_ui_row "${line}"
    done
  fi
  if [[ "${extra}" == "1" ]]; then
    while IFS=$'\t' read -r target label kind hops key; do
      [[ -z "${key}" || "${key}" == "-" ]] && key="$(xyz_ui_route_key "${target}")"
      [[ -n "${key}" ]] && continue
      xyz_ui_row "$(xyz_ui_pad "${label:-${target}}" 22) $(xyz_ui_linetags "${kind}")"
    done < <(xyz_ui_fill "${f}")
  fi
  xyz_ui_row "${U_D}$(xyz_t "Legend:" "图例：")${U_X} ${U_G}${U_B}$(xyz_t "premium" "优质")${U_X} CN2-GIA/9929/CMIN2  ${U_C}CN2-GT${U_X}  ${U_Y}$(xyz_t "ordinary" "普通")${U_X} 163/4837/CMI"
}

xyz_ui_route_score() {
  # prints 0-100 (average best class per target) or nothing
  local f="$1" kind t best n=0 sum=0 cls
  [[ -s "${f}" ]] || return 0
  while IFS=$'\t' read -r _ _ kind _ _; do
    best=0
    for t in ${kind}; do
      cls="$(xyz_ui_line_class "${t}")"
      case "${cls}" in premium) best=100 ;; good) (( best < 75 )) && best=75 ;; ordinary) (( best < 40 )) && best=40 ;; *) : ;; esac
    done
    n=$((n + 1)); sum=$((sum + best))
  done < "${f}"
  (( n > 0 )) && printf '%d' $(( sum / n ))
}

# Unlock grid. FILE: service status region note
xyz_ui_unlock_rows() {
  local f="$1" svc st reg note cells=() i cell
  [[ -s "${f}" ]] || return 0
  while IFS=$'\t' read -r svc st reg note; do
    cell="$(xyz_ui_badge "${st}" "$(xyz_ui_pad "${svc}" 16)")"
    [[ "${reg}" != "-" ]] && cell="${cell} ${U_D}${reg:0:12}${U_X}"
    cells+=("${cell}")
  done < <(xyz_ui_fill "${f}")
  for (( i = 0; i < ${#cells[@]}; i += 2 )); do
    xyz_ui_row "$(xyz_ui_pad "${cells[$i]}" 37)${cells[$((i + 1))]-}"
  done
}

xyz_ui_unlock_count() {
  # prints "yes total"
  awk -F'\t' '{ n++; if ($2 == "yes") y++ } END { printf "%d %d\n", y, n }' "$1"
}

xyz_ui_init

XYZ_NAME="ipcheck"

# xyz.sh/unlock — streaming / AI service availability and IP quality check.
#
# A small self-written checker using plain curl requests (no installs):
#   Netflix, Disney+, YouTube Premium, ChatGPT, Claude, Gemini, TikTok
# plus IP information (ASN, country, datacenter / residential / mobile,
# VPN / proxy flags) from public free APIs:
#   https://api.ipapi.is  (primary)   http://ip-api.com (fallback)
#
# These checks are heuristics based on what each site returns to this IP
# right now. Sites change often; treat results as a hint, not a guarantee.
# For a much larger matrix, the well-known upstream projects can be run
# instead (downloaded, previewed, then executed only after confirmation):
#   --full       lmc999/RegionRestrictionCheck  https://github.com/lmc999/RegionRestrictionCheck
#   --ipquality  xykt/IPQuality                 https://github.com/xykt/IPQuality
#
# Usage:
#   curl -fsSL xyz.sh/unlock | bash
#   curl -fsSL xyz.sh/unlock | bash -s -- -6
#   curl -fsSL xyz.sh/unlock | bash -s -- --json
#   curl -fsSL xyz.sh/unlock | bash -s -- --no-ip
#   curl -fsSL xyz.sh/unlock | bash -s -- --full
#   curl -fsSL xyz.sh/unlock | bash -s -- --ipquality
#
# Root is not required. Nothing is installed or written (except a temp dir).
# The IP lookup sends your server's IP to the API above (that is the lookup);
# skip it with --no-ip. No telemetry is added by xyz.sh.

set -euo pipefail

if [[ -z "${XYZ_COMMON_LOADED:-}" ]]; then
  _xyz_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
  if [[ -f "${_xyz_dir}/lib/common.sh" ]]; then
    # shellcheck source=lib/common.sh
    source "${_xyz_dir}/lib/common.sh"
  else
    echo "xyz.sh: missing lib/common.sh" >&2
    exit 1
  fi
fi

if [[ -z "${XYZ_UI_LOADED:-}" ]]; then
  _xyz_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
  # shellcheck source=lib/report.sh
  source "${_xyz_dir}/lib/report.sh"
fi
XYZ_NAME="${XYZ_NAME:-unlock}"
case "${XYZ_NAME}" in unlock|ipcheck|media) : ;; *) XYZ_NAME="unlock" ;; esac
XYZ_TITLE="$(xyz_t "Streaming / AI unlock and IP quality check" "流媒体 / AI 解锁与 IP 质量检测")"
RRC_URL="https://raw.githubusercontent.com/lmc999/RegionRestrictionCheck/main/check.sh"
IPQ_URL="https://raw.githubusercontent.com/xykt/IPQuality/main/ip.sh"

# With --json, keep stdout clean: banner and logs go to stderr.
exec 3>&1
for _arg in "$@"; do
  if [[ "${_arg}" == "--json" ]]; then
    exec 1>&2
  fi
done

xyz_init "$@"

IPV="4"
WANT_JSON=0
NO_IP=0
DO_FULL=0
DO_IPQ=0
for arg in "${XYZ_ARGS[@]+"${XYZ_ARGS[@]}"}"; do
  case "${arg}" in
    -4) IPV="4" ;;
    -6) IPV="6" ;;
    --json) WANT_JSON=1 ;;
    --no-ip) NO_IP=1 ;;
    --full) DO_FULL=1 ;;
    --ipquality) DO_IPQ=1 ;;
    --help|-h) XYZ_HELP=1 ;;
    *)
      xyz_error "$(xyz_t "Unknown argument:" "未知参数：") ${arg}"
      exit 1
      ;;
  esac
done

if [[ "${XYZ_HELP:-}" == "1" ]]; then
  cat <<HINT
$(xyz_t "Usage:" "用法：")
  curl -fsSL xyz.sh/unlock | bash
  curl -fsSL xyz.sh/unlock | bash -s -- -6
  curl -fsSL xyz.sh/unlock | bash -s -- --json
  curl -fsSL xyz.sh/unlock | bash -s -- --no-ip
  curl -fsSL xyz.sh/unlock | bash -s -- --full        # lmc999/RegionRestrictionCheck
  curl -fsSL xyz.sh/unlock | bash -s -- --ipquality   # xykt/IPQuality

$(xyz_t "Checks: Netflix, Disney+, YouTube Premium, ChatGPT, Claude, Gemini, TikTok, and IP type." "检测：Netflix、Disney+、YouTube Premium、ChatGPT、Claude、Gemini、TikTok 以及 IP 类型。")
$(xyz_t "Results are heuristics; websites change their responses often." "结果为启发式判断，网站返回内容经常变化，仅供参考。")
HINT
  exit 0
fi

if [[ "${DO_FULL}" == "1" ]]; then
  XYZ_UPSTREAM="https://github.com/lmc999/RegionRestrictionCheck"
  xyz_info "$(xyz_t "Running the upstream RegionRestrictionCheck by lmc999 (AGPL-3.0)." "运行 lmc999 的上游 RegionRestrictionCheck（AGPL-3.0）。")"
  xyz_info "Project: ${XYZ_UPSTREAM}"
  XYZ_UPSTREAM_NEEDS_TTY=1
  xyz_run_upstream "${RRC_URL}"
  exit 0
fi
if [[ "${DO_IPQ}" == "1" ]]; then
  XYZ_UPSTREAM="https://github.com/xykt/IPQuality"
  xyz_info "$(xyz_t "Running the upstream IPQuality by xykt (AGPL-3.0)." "运行 xykt 的上游 IPQuality（AGPL-3.0）。")"
  xyz_info "Project: ${XYZ_UPSTREAM}"
  xyz_run_upstream "${IPQ_URL}" "-${IPV}"
  exit 0
fi

if ! xyz_need_cmd curl; then
  xyz_error "$(xyz_t "curl is required." "需要 curl。")"
  exit 1
fi

UA="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36"
xyz_init_tmpdir
TMP="$(xyz_tmpdir)"

# fetch NAME URL [extra curl args...] -> body in $TMP/NAME.body, prints "code effective_url"
fetch() {
  local name="$1" url="$2"
  shift 2
  curl "-${IPV}" -sS -L --max-time 12 --connect-timeout 6 -A "${UA}" \
    -H 'Accept-Language: en-US,en;q=0.9' "$@" \
    -o "${TMP}/${name}.body" -w '%{http_code} %{url_effective}' "${url}" 2>/dev/null || printf '000 %s' "${url}"
}

body_has() { grep -q -i -- "$2" "${TMP}/$1.body" 2>/dev/null; }

RESULTS=()
add() {
  # add SERVICE STATUS REGION NOTE   (STATUS: yes|no|partial|unknown)
  RESULTS+=("$1|$2|$3|$4")
}

check_netflix() {
  local a b ra rb region=""
  a="$(fetch nf1 https://www.netflix.com/title/81280792)"
  b="$(fetch nf2 https://www.netflix.com/title/70143836)"
  ra="${a%% *}"; rb="${b%% *}"
  region="$(printf '%s\n%s\n' "${a#* }" "${b#* }" | grep -o -E 'netflix\.com/[a-z]{2}(-[a-z]{2})?/' | head -1 | sed -E 's#netflix\.com/([a-z]{2}).*#\1#' | tr '[:lower:]' '[:upper:]' || true)"
  if [[ -z "${region}" ]]; then
    region="$(grep -o -E '"requestCountry":\{"id":"[A-Z]{2}"' "${TMP}/nf1.body" 2>/dev/null | grep -o -E '[A-Z]{2}"$' | tr -d '"' | head -1 || true)"
  fi
  if [[ "${ra}" == "000" && "${rb}" == "000" ]]; then
    add "Netflix" unknown "" "$(xyz_t "network error" "网络错误")"
  elif [[ "${ra}" == "200" || "${rb}" == "200" ]]; then
    if [[ "${ra}" == "200" && "${rb}" == "200" ]]; then
      add "Netflix" yes "${region:-US}" "$(xyz_t "full catalogue (non-originals)" "完整解锁（含非自制剧）")"
    else
      add "Netflix" partial "${region:-US}" "$(xyz_t "some licensed titles" "部分非自制剧")"
    fi
  elif [[ "${ra}" == "404" && "${rb}" == "404" ]]; then
    add "Netflix" partial "${region}" "$(xyz_t "originals only" "仅自制剧")"
  elif [[ "${ra}" == "403" || "${rb}" == "403" ]]; then
    add "Netflix" no "" "$(xyz_t "blocked (HTTP 403)" "被屏蔽（HTTP 403）")"
  else
    add "Netflix" unknown "${region}" "HTTP ${ra}/${rb}"
  fi
}

check_disney() {
  local r code url
  r="$(fetch dp https://www.disneyplus.com/)"
  code="${r%% *}"; url="${r#* }"
  if [[ "${code}" == "000" ]]; then
    add "Disney+" unknown "" "$(xyz_t "network error" "网络错误")"
  elif [[ "${url}" == *unavailable* ]] || body_has dp 'not available in your region'; then
    add "Disney+" no "" "$(xyz_t "redirected to 'unavailable'" "跳转到不可用页面")"
  elif [[ "${code}" == "403" ]]; then
    add "Disney+" no "" "HTTP 403"
  elif [[ "${code}" == "200" ]]; then
    local region
    region="$(grep -o -E '"countryCode":"[A-Z]{2}"' "${TMP}/dp.body" | head -1 | sed -E 's/.*:"([A-Z]{2})"/\1/' || true)"
    [[ -z "${region}" ]] && region="$(printf '%s' "${url}" | grep -o -E 'disneyplus\.com/[a-z]{2}-([a-z]{2})' | sed -E 's#.*-##' | tr '[:lower:]' '[:upper:]' || true)"
    add "Disney+" yes "${region}" "$(xyz_t "site served (sign-up not tested)" "网站可访问（未测试注册）")"
  else
    add "Disney+" unknown "" "HTTP ${code}"
  fi
}

check_youtube() {
  local r code region
  r="$(fetch yt https://www.youtube.com/premium)"
  code="${r%% *}"
  region="$(grep -o -E '"(INNERTUBE_CONTEXT_)?GL":"[A-Z]{2}"' "${TMP}/yt.body" 2>/dev/null | head -1 | sed -E 's/.*:"([A-Z]{2})"/\1/' || true)"
  [[ -z "${region}" ]] && region="$(grep -o -E '"countryCode":"[A-Z]{2}"' "${TMP}/yt.body" 2>/dev/null | head -1 | sed -E 's/.*:"([A-Z]{2})"/\1/' || true)"
  if [[ "${code}" == "000" ]]; then
    add "YouTube Premium" unknown "" "$(xyz_t "network error" "网络错误")"
  elif body_has yt 'Premium is not available in your country'; then
    add "YouTube Premium" no "${region}" "$(xyz_t "not available in this country" "此地区不可用")"
  elif [[ "${region}" == "CN" ]]; then
    add "YouTube Premium" no "CN" ""
  elif [[ "${code}" == "200" ]] && (body_has yt 'ad-free' || body_has yt 'YouTube Premium'); then
    add "YouTube Premium" yes "${region}" ""
  else
    add "YouTube Premium" unknown "${region}" "HTTP ${code}"
  fi
}

check_chatgpt() {
  local r1 r2 c1 c2 loc
  r1="$(fetch oa1 https://api.openai.com/compliance/cookie_requirements -H 'authorization: Bearer null')"
  r2="$(fetch oa2 https://ios.chat.openai.com/)"
  c1="${r1%% *}"; c2="${r2%% *}"
  fetch oatrace https://chatgpt.com/cdn-cgi/trace >/dev/null
  loc="$(awk -F= '$1=="loc"{print $2}' "${TMP}/oatrace.body" 2>/dev/null | head -1 || true)"
  if [[ "${c1}" == "000" && "${c2}" == "000" ]]; then
    add "ChatGPT" unknown "" "$(xyz_t "network error" "网络错误")"
  elif body_has oa1 'unsupported_country'; then
    add "ChatGPT" no "${loc}" "$(xyz_t "unsupported country" "不支持的地区")"
  elif body_has oa2 'VPN' ; then
    add "ChatGPT" partial "${loc}" "$(xyz_t "web only; app flags this IP as VPN" "仅网页；App 判定为 VPN")"
  else
    add "ChatGPT" yes "${loc}" ""
  fi
}

check_claude() {
  local r code url
  r="$(fetch cl https://claude.ai/)"
  code="${r%% *}"; url="${r#* }"
  if [[ "${code}" == "000" ]]; then
    add "Claude" unknown "" "$(xyz_t "network error" "网络错误")"
  elif [[ "${url}" == *unavailable* ]]; then
    add "Claude" no "" "$(xyz_t "app-unavailable-in-region" "地区不可用")"
  elif [[ "${code}" == "403" ]]; then
    add "Claude" unknown "" "$(xyz_t "HTTP 403 (bot challenge or block)" "HTTP 403（人机验证或屏蔽）")"
  else
    add "Claude" yes "" "HTTP ${code}"
  fi
}

check_gemini() {
  local r code region
  r="$(fetch gm https://gemini.google.com/)"
  code="${r%% *}"
  region="$(grep -o -E ',2,1,200,"[A-Z]{3}"' "${TMP}/gm.body" 2>/dev/null | head -1 | sed -E 's/.*"([A-Z]{3})"/\1/' || true)"
  if [[ "${code}" == "000" ]]; then
    add "Gemini" unknown "" "$(xyz_t "network error" "网络错误")"
  elif grep -q -E '45631641(,null,true|\\?":true)' "${TMP}/gm.body" 2>/dev/null; then
    add "Gemini" yes "${region}" ""
  elif [[ "${code}" == "200" ]]; then
    add "Gemini" unknown "${region}" "$(xyz_t "availability flag not found" "未找到可用标记")"
  else
    add "Gemini" unknown "${region}" "HTTP ${code}"
  fi
}

check_tiktok() {
  local r code region
  r="$(fetch tt https://www.tiktok.com/explore)"
  code="${r%% *}"
  region="$(grep -o -E '"region":"[A-Z]{2}"' "${TMP}/tt.body" 2>/dev/null | head -1 | sed -E 's/.*:"([A-Z]{2})"/\1/' || true)"
  if [[ "${code}" == "000" ]]; then
    add "TikTok" unknown "" "$(xyz_t "network error" "网络错误")"
  elif [[ -n "${region}" ]]; then
    add "TikTok" yes "${region}" ""
  elif [[ "${code}" == "200" ]]; then
    add "TikTok" partial "" "$(xyz_t "page served, region not detected" "页面可访问，未识别地区")"
  else
    add "TikTok" no "" "HTTP ${code}"
  fi
}

# ---- IP information ----------------------------------------------------------
IP_ADDR=""; IP_ASN=""; IP_ORG=""; IP_CC=""; IP_TYPE=""; IP_FLAGS=""
json_str() { grep -o -E "\"$1\": *\"[^\"]*\"" "$2" 2>/dev/null | head -1 | sed -E 's/.*: *"(.*)"/\1/' || true; }
json_bool() { grep -o -E "\"$1\": *(true|false)" "$2" 2>/dev/null | head -1 | grep -o -E 'true|false' || true; }
json_num() { grep -o -E "\"$1\": *[0-9]+" "$2" 2>/dev/null | head -1 | grep -o -E '[0-9]+$' || true; }

DC_WORDS='cloud|hosting|host|datacenter|data center|server|vps|colo|cloudflare|amazon|aws|google|microsoft|azure|oracle|digitalocean|linode|akamai|vultr|choopa|ovh|hetzner|contabo|alibaba|aliyun|tencent|huawei cloud|bandwagon|it7|leaseweb|m247|psychz|cogent|zenlayer|dmit|racknerd|buyvm|frantech|greencloud|kamatera|scaleway|upcloud|ionos|netcup|godaddy|hostinger|gcore|g-core'

check_ip() {
  local f="${TMP}/ipapi.body" f2="${TMP}/ipapi2.body" f3="${TMP}/ipinfo.body"
  local dc="" mobile="" vpn="" proxy="" tor="" abuser="" ctype=""
  fetch ipapi https://api.ipapi.is/ >/dev/null
  if [[ -s "${f}" ]] && grep -q '"ip"' "${f}"; then
    IP_SRC="api.ipapi.is"
    IP_ADDR="$(json_str ip "${f}")"
    IP_ASN="$(grep -o -E '"asn": *"AS[0-9]+' "${f}" | head -1 | grep -o -E 'AS[0-9]+' || true)"
    [[ -z "${IP_ASN}" ]] && IP_ASN="$(json_num asn "${f}")" && [[ -n "${IP_ASN}" ]] && IP_ASN="AS${IP_ASN}"
    IP_ORG="$(json_str company "${f}")"
    [[ -z "${IP_ORG}" ]] && IP_ORG="$(grep -o -E '"company": *\{"name": *"[^"]*"' "${f}" | head -1 | sed -E 's/.*"([^"]*)"$/\1/' || true)"
    IP_CC="$(json_str country_code "${f}")"
    [[ -z "${IP_CC}" ]] && IP_CC="$(json_str country "${f}")"
    dc="$(json_bool is_datacenter "${f}")"; mobile="$(json_bool is_mobile "${f}")"
    vpn="$(json_bool is_vpn "${f}")"; proxy="$(json_bool is_proxy "${f}")"
    tor="$(json_bool is_tor "${f}")"; abuser="$(json_bool is_abuser "${f}")"
    ctype="$(grep -o -E '"company": *\{[^}]*"type": *"[a-z]+"' "${f}" | head -1 | sed -E 's/.*"([a-z]+)"$/\1/' || true)"
  fi
  # ip-api.com has hosting / proxy / mobile flags (free endpoint is HTTP only).
  fetch ipapi2 'http://ip-api.com/json/?fields=status,countryCode,isp,org,as,mobile,proxy,hosting,query' >/dev/null
  if grep -q '"status":"success"' "${f2}" 2>/dev/null; then
    IP_SRC="${IP_SRC:+${IP_SRC}, }ip-api.com"
    [[ -z "${IP_ADDR}" ]] && IP_ADDR="$(json_str query "${f2}")"
    [[ -z "${IP_ASN}" ]] && IP_ASN="$(json_str as "${f2}" | awk '{print $1}')"
    [[ -z "${IP_ORG}" ]] && IP_ORG="$(json_str org "${f2}")"
    [[ -z "${IP_CC}" ]] && IP_CC="$(json_str countryCode "${f2}")"
    [[ -z "${dc}" ]] && dc="$(json_bool hosting "${f2}")"
    [[ -z "${mobile}" ]] && mobile="$(json_bool mobile "${f2}")"
    [[ -z "${proxy}" ]] && proxy="$(json_bool proxy "${f2}")"
  fi
  if [[ -z "${IP_ADDR}" ]]; then
    fetch ipinfo https://ipinfo.io/json >/dev/null
    if grep -q '"ip"' "${f3}" 2>/dev/null; then
      IP_SRC="ipinfo.io"
      IP_ADDR="$(json_str ip "${f3}")"
      IP_ASN="$(json_str org "${f3}" | awk '{print $1}')"
      IP_ORG="$(json_str org "${f3}" | cut -d' ' -f2-)"
      IP_CC="$(json_str country "${f3}")"
    fi
  fi
  [[ -z "${IP_ADDR}" ]] && return 1
  if [[ "${mobile}" == "true" ]]; then
    IP_TYPE="$(xyz_t "mobile" "移动网络")"
  elif [[ "${dc}" == "true" || "${ctype}" == "hosting" ]]; then
    IP_TYPE="$(xyz_t "datacenter" "机房 IP")"
  elif [[ "${dc}" == "false" ]]; then
    IP_TYPE="$(xyz_t "residential / ISP" "住宅 / 运营商")"
  elif printf '%s' "${IP_ORG}" | grep -q -i -E "${DC_WORDS}"; then
    IP_TYPE="$(xyz_t "datacenter (guessed from ASN name)" "机房 IP（按 ASN 名称推断）")"
  else
    IP_TYPE="$(xyz_t "unknown (likely ISP)" "未知（可能是运营商 IP）")"
  fi
  [[ -n "${ctype}" && "${ctype}" != "hosting" ]] && IP_TYPE="${IP_TYPE} (${ctype})"
  [[ "${vpn}" == "true" ]] && IP_FLAGS="${IP_FLAGS} VPN"
  [[ "${proxy}" == "true" ]] && IP_FLAGS="${IP_FLAGS} proxy"
  [[ "${tor}" == "true" ]] && IP_FLAGS="${IP_FLAGS} Tor"
  [[ "${abuser}" == "true" ]] && IP_FLAGS="${IP_FLAGS} abuser"
  IP_FLAGS="${IP_FLAGS# }"
  return 0
}

xyz_step "$(xyz_t "Checking (IPv${IPV})" "正在检测（IPv${IPV}）")"
IP_SRC=""
if [[ "${NO_IP}" != "1" ]]; then
  xyz_info "$(xyz_t "IP lookup via api.ipapi.is (fallback ip-api.com). Skip with --no-ip." "IP 信息查询：api.ipapi.is（备用 ip-api.com），可用 --no-ip 跳过。")"
  check_ip || xyz_warn "$(xyz_t "IP lookup failed." "IP 信息查询失败。")"
fi
check_netflix
check_disney
check_youtube
check_chatgpt
check_claude
check_gemini
check_tiktok

if [[ "${WANT_JSON}" == "1" ]]; then
  esc() { printf '%s' "$1" | sed 's/\\/\\\\/g;s/"/\\"/g'; }
  {
  printf '{\n  "ip": {"address": "%s", "asn": "%s", "org": "%s", "country": "%s", "type": "%s", "flags": "%s", "source": "%s"},\n  "services": [\n' \
    "$(esc "${IP_ADDR}")" "$(esc "${IP_ASN}")" "$(esc "${IP_ORG}")" "$(esc "${IP_CC}")" "$(esc "${IP_TYPE}")" "$(esc "${IP_FLAGS}")" "$(esc "${IP_SRC}")"
  n=0
  for r in "${RESULTS[@]}"; do
    IFS='|' read -r svc st reg note <<< "${r}"
    n=$((n + 1))
    sep=","; [[ ${n} -eq ${#RESULTS[@]} ]] && sep=""
    printf '    {"service": "%s", "status": "%s", "region": "%s", "note": "%s"}%s\n' "$(esc "${svc}")" "${st}" "$(esc "${reg}")" "$(esc "${note}")" "${sep}"
  done
  printf '  ]\n}\n'
  } >&3
  exit 0
fi

echo
xyz_init_tmpdir
UNLOCK_VIEW="$(xyz_tmpdir)/unlock-view.tsv"
: > "${UNLOCK_VIEW}"
for r in "${RESULTS[@]}"; do
  IFS='|' read -r svc st reg note <<< "${r}"
  printf '%s\t%s\t%s\t%s\n' "${svc}" "${st}" "${reg}" "${note}" >> "${UNLOCK_VIEW}"
  if [[ -n "${XYZ_RESULT_FILE:-}" ]]; then
    printf 'unlock\t%s\t%s\t%s\t%s\n' "${svc}" "${st}" "${reg}" "${note}" >> "${XYZ_RESULT_FILE}" 2>/dev/null || true
  fi
done
read -r U_YES U_TOTAL < <(xyz_ui_unlock_count "${UNLOCK_VIEW}")
xyz_ui_top "$(xyz_t "Streaming / AI unlock" "流媒体 / AI 解锁") ${U_YES}/${U_TOTAL}"
if [[ "${NO_IP}" != "1" ]]; then
  ip_type_c="${U_Y}"
  [[ "${IP_TYPE}" == residential* || "${IP_TYPE}" == isp* ]] && ip_type_c="${U_G}"
  xyz_ui_row "$(xyz_ui_pad "IP" 10)${IP_ADDR:-n/a}  ${U_D}${IP_ASN:-} ${IP_ORG:0:30}${U_X}"
  xyz_ui_row "$(xyz_ui_pad "$(xyz_t "Location" "位置")" 10)${IP_CC:-n/a} ${G_MID} ${ip_type_c}${IP_TYPE:-n/a}${U_X}${IP_FLAGS:+ ${G_MID} ${U_Y}${IP_FLAGS}${U_X}}  ${U_D}(${IP_SRC:-n/a})${U_X}"
  xyz_ui_sep
fi
xyz_ui_unlock_rows "${UNLOCK_VIEW}"
notes="$(awk -F'\t' '$2 != "yes" && $4 != "" { printf "%s: %s\n", $1, $4 }' "${UNLOCK_VIEW}")"
if [[ -n "${notes}" ]]; then
  xyz_ui_sep
  while IFS= read -r line; do xyz_ui_row "${U_D}${line:0:72}${U_X}"; done <<< "${notes}"
fi
xyz_ui_bottom
if [[ -n "${XYZ_RESULT_FILE:-}" && "${NO_IP}" != "1" ]]; then
  printf 'ip\t%s\t%s\t%s\t%s\t%s\n' "${IP_CC}" "${IP_ASN}" "${IP_TYPE}" "${IP_FLAGS}" "${IP_ORG}" >> "${XYZ_RESULT_FILE}" 2>/dev/null || true
fi
echo
xyz_info "$(xyz_t \
  "Heuristic results from this IP right now. For a larger matrix: --full (RegionRestrictionCheck) or --ipquality (IPQuality)." \
  "以上为当前 IP 的启发式检测结果。更全面的检测：--full（RegionRestrictionCheck）或 --ipquality（IPQuality）。")"