#!/usr/bin/env python3
"""
souleyez.plugins.tr069

TR-069 (CWMP) detection and enumeration plugin.
Detects ISP remote management protocol on routers.
"""

import subprocess
import time
from typing import List

from souleyez.security.validation import ValidationError, validate_target

from .plugin_base import PluginBase

HELP = {
    "name": "TR-069 — ISP Remote Management Detection",
    "description": (
        "TR-069 (Technical Report 069) is a protocol used by ISPs to remotely "
        "manage customer premises equipment (CPE) like routers and modems.\n\n"
        "Also known as CWMP (CPE WAN Management Protocol), this service allows:\n"
        "- Remote firmware updates\n"
        "- Configuration changes\n"
        "- Diagnostics and monitoring\n"
        "- Factory reset and reboot\n\n"
        "If exposed or misconfigured, TR-069 can be a significant attack vector.\n\n"
        "Quick tips:\n"
        "- Default port is 7547 (TCP)\n"
        "- Often runs alongside a web server on 7547\n"
        "- Look for ACS (Auto Configuration Server) URLs in responses\n"
        "- Known vulnerabilities in popular implementations\n"
    ),
    "usage": "souleyez jobs enqueue tr069 <target>",
    "examples": [
        "souleyez jobs enqueue tr069 192.168.1.1",
        "souleyez jobs enqueue tr069 192.168.1.0/24",
        'souleyez jobs enqueue tr069 10.0.0.1 --args "--deep"',
    ],
    "flags": [
        ["--deep", "Extended enumeration with HTTP probing"],
        ["--quick", "Quick port detection only (default)"],
    ],
    "presets": [
        {"name": "Quick Detection", "args": [], "desc": "Fast TR-069 port detection"},
        {
            "name": "Deep Enumeration",
            "args": ["--deep"],
            "desc": "Full HTTP enumeration of TR-069",
        },
    ],
    "help_sections": [
        {
            "title": "What is TR-069?",
            "color": "cyan",
            "content": [
                {
                    "title": "Overview",
                    "desc": "TR-069 lets ISPs remotely manage your router. It's how they push firmware updates and change settings without physical access.",
                },
                {
                    "title": "Security Risks",
                    "desc": "Why TR-069 can be dangerous",
                    "tips": [
                        "Often runs as root/admin on the device",
                        "May have hardcoded credentials",
                        "ACS server URL can be hijacked",
                        "Known RCE vulnerabilities in implementations",
                        "Can be used to exfiltrate data or install backdoors",
                    ],
                },
            ],
        },
        {
            "title": "Attack Scenarios",
            "color": "red",
            "content": [
                {
                    "title": "Common Attacks",
                    "desc": "How TR-069 gets exploited",
                    "tips": [
                        "MITM attacks on ACS communication",
                        "Exploit known CVEs (Misfortune Cookie, etc.)",
                        "Credential bruteforce if auth is weak",
                        "DNS hijacking via TR-069 config changes",
                        "Firmware downgrade to vulnerable version",
                    ],
                }
            ],
        },
    ],
}


class TR069Plugin(PluginBase):
    name = "TR-069"
    tool = "nmap"  # Uses nmap under the hood
    category = "scanning"
    HELP = HELP

    def build_command(
        self, target: str, args: List[str] = None, label: str = "", log_path: str = None
    ):
        """Build nmap command for TR-069 detection."""
        args = args or []

        # Validate target
        try:
            target = validate_target(target)
        except ValidationError as e:
            if log_path:
                with open(log_path, "w") as f:
                    f.write(f"ERROR: Invalid target: {e}\n")
            return None

        # Base TR-069 ports
        ports = "7547,4567,5555,8089"  # Common CWMP/TR-069 ports

        # Determine scan depth
        if "--deep" in args:
            # Deep scan with HTTP enumeration
            scripts = "http-title,http-headers,http-methods,http-server-header"
            cmd = [
                "nmap",
                "-sV",
                "-p",
                ports,
                "--script",
                scripts,
                "--script-args",
                "http.useragent=CWMP Client",
                "-oN",
                "-",
                "--open",
                "-T4",
                target,
            ]
        else:
            # Quick detection
            cmd = [
                "nmap",
                "-sS",
                "-sV",
                "-p",
                ports,
                "-oN",
                "-",
                "--open",
                "-T4",
                target,
            ]

        return {"cmd": cmd, "timeout": 600}  # 10 minute timeout

    def run(
        self, target: str, args: List[str] = None, label: str = "", log_path: str = None
    ) -> int:
        """Execute TR-069 detection."""
        cmd_spec = self.build_command(target, args, label, log_path)
        if cmd_spec is None:
            return 1

        cmd = cmd_spec["cmd"]

        if log_path:
            with open(log_path, "w") as f:
                f.write(f"# TR-069/CWMP Detection on {target}\n")
                f.write(f"# Command: {' '.join(cmd)}\n")
                f.write(f"# Started: {time.strftime('%Y-%m-%d %H:%M:%S')}\n\n")
                f.write(
                    "# TR-069 (Technical Report 069) is used by ISPs for remote router management\n"
                )
                f.write("# Common ports: 7547 (primary), 4567, 5555, 8089\n\n")

        try:
            with open(log_path, "a") as f:
                result = subprocess.run(
                    cmd, stdout=f, stderr=subprocess.STDOUT, timeout=cmd_spec["timeout"]
                )
            return result.returncode

        except subprocess.TimeoutExpired:
            if log_path:
                with open(log_path, "a") as f:
                    f.write("\n\n# ERROR: Scan timed out\n")
            return 124
        except Exception as e:
            if log_path:
                with open(log_path, "a") as f:
                    f.write(f"\n\n# ERROR: {e}\n")
            return 1


plugin = TR069Plugin()
