1from __future__ import annotations
 2
 3import getpass
 4import random
 5import string
 6
 7import click
 8from plain.cli import register_cli
 9
10from .client import TunnelClient
11
12
13@register_cli("tunnel")
14@click.command()
15@click.argument("destination")
16@click.option(
17    "--subdomain",
18    help="The subdomain to use for the tunnel.",
19    envvar="PLAIN_TUNNEL_SUBDOMAIN",
20)
21@click.option(
22    "--tunnel-host", envvar="PLAIN_TUNNEL_HOST", hidden=True, default="plaintunnel.com"
23)
24@click.option("--debug", "log_level", flag_value="DEBUG", help="Enable debug logging.")
25@click.option(
26    "--quiet", "log_level", flag_value="WARNING", help="Only log warnings and errors."
27)
28def cli(
29    destination: str, subdomain: str | None, tunnel_host: str, log_level: str | None
30) -> None:
31    """Create a public tunnel to local server"""
32    if not destination.startswith("http://") and not destination.startswith("https://"):
33        destination = f"https://{destination}"
34
35    # Strip trailing slashes from the destination URL (maybe even enforce no path at all?)
36    destination = destination.rstrip("/")
37
38    if not log_level:
39        log_level = "INFO"
40
41    if not subdomain:
42        # Generate a subdomain using the system username + 7 random characters
43        random_chars = "".join(random.choices(string.ascii_lowercase, k=7))
44        subdomain = f"{getpass.getuser()}-{random_chars}"
45
46    tunnel = TunnelClient(
47        destination_url=destination,
48        subdomain=subdomain,
49        tunnel_host=tunnel_host,
50        log_level=log_level,
51    )
52    click.secho(f"Tunneling {tunnel.tunnel_http_url} -> {destination}", bold=True)
53    tunnel.run()