Minify.

src/snekssh/app4.py

@@ -1,90 +1,24 @@
 #!/usr/bin/env python3.7
-#
-# Copyright (c) 2013-2024 by Ron Frederick <ronf@timeheart.net> and others.
-#
-# This program and the accompanying materials are made available under
-# the terms of the Eclipse Public License v2.0 which accompanies this
-# distribution and is available at:
-#
-#     http://www.eclipse.org/legal/epl-2.0/
-#
-# This program may also be made available under the following secondary
-# licenses when the conditions for such availability set forth in the
-# Eclipse Public License v2.0 are satisfied:
-#
-#    GNU General Public License, Version 2.0, or any later versions of
-#    that license
-#
-# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
-#
-# Contributors:
-#     Ron Frederick - initial implementation, API, and documentation
-
-# To run this program, the file ``ssh_host_key`` must exist with an SSH
-# private key in it to use as a server host key. An SSH host certificate
-# can optionally be provided in the file ``ssh_host_key-cert.pub``.
-
-import asyncio
-import sys
+import asyncio,sys
 from typing import Optional
-
-import asyncssh
-import bcrypt
-
-passwords = {
-    "guest": b"",  # guest account with no password
-    "user": bcrypt.hashpw(b"user", bcrypt.gensalt()),
-}
-
-
-def handle_client(process: asyncssh.SSHServerProcess) -> None:
-    username = process.get_extra_info("username")
-    process.stdout.write(f"Welcome to my SSH server, {username}!\n")
-    # process.exit(0)
-
-
+import asyncssh,bcrypt
+passwords={'guest':b'','user':bcrypt.hashpw(b'user',bcrypt.gensalt())}
+def handle_client(process):A=process;B=A.get_extra_info('username');A.stdout.write(f"Welcome to my SSH server, {B}!\n")
 class MySSHServer(asyncssh.SSHServer):
-    def connection_made(self, conn: asyncssh.SSHServerConnection) -> None:
-        peername = conn.get_extra_info("peername")[0]
-        print(f"SSH connection received from {peername}.")
-
-    def connection_lost(self, exc: Optional[Exception]) -> None:
-        if exc:
-            print("SSH connection error: " + str(exc), file=sys.stderr)
-        else:
-            print("SSH connection closed.")
-
-    def begin_auth(self, username: str) -> bool:
-        # If the user's password is the empty string, no auth is required
-        return passwords.get(username) != b""
-
-    def password_auth_supported(self) -> bool:
-        return True
-
-    def validate_password(self, username: str, password: str) -> bool:
-        if username not in passwords:
-            return False
-        pw = passwords[username]
-        if not password and not pw:
-            return True
-        return bcrypt.checkpw(password.encode("utf-8"), pw)
-
-
-async def start_server() -> None:
-    await asyncssh.create_server(
-        MySSHServer,
-        "",
-        2231,
-        server_host_keys=["ssh_host_key"],
-        process_factory=handle_client,
-    )
-
-
-loop = asyncio.new_event_loop()
-
-try:
-    loop.run_until_complete(start_server())
-except (OSError, asyncssh.Error) as exc:
-    sys.exit("Error starting server: " + str(exc))
-
-loop.run_forever()
+	def connection_made(B,conn):A=conn.get_extra_info('peername')[0];print(f"SSH connection received from {A}.")
+	def connection_lost(A,exc):
+		if exc:print('SSH connection error: '+str(exc),file=sys.stderr)
+		else:print('SSH connection closed.')
+	def begin_auth(A,username):return passwords.get(username)!=b''
+	def password_auth_supported(A):return True
+	def validate_password(D,username,password):
+		A=password;B=username
+		if B not in passwords:return False
+		C=passwords[B]
+		if not A and not C:return True
+		return bcrypt.checkpw(A.encode('utf-8'),C)
+async def start_server():await asyncssh.create_server(MySSHServer,'',2231,server_host_keys=['ssh_host_key'],process_factory=handle_client)
+loop=asyncio.new_event_loop()
+try:loop.run_until_complete(start_server())
+except(OSError,asyncssh.Error)as exc:sys.exit('Error starting server: '+str(exc))
+loop.run_forever()