perf: parse ssh private key

This commit is contained in:
Eric
2022-12-03 15:25:04 +08:00
parent 289ecbcc75
commit 6480b916d6
3 changed files with 16 additions and 22 deletions

View File

@@ -7,7 +7,6 @@ import os
import re
import time
from io import StringIO
import logging
import paramiko
import sshpubkeys
@@ -69,7 +68,11 @@ class Signer(metaclass=Singleton):
return None
_supported_paramiko_ssh_key_types = (paramiko.RSAKey, paramiko.DSSKey, paramiko.Ed25519Key)
_supported_paramiko_ssh_key_types = (
paramiko.RSAKey,
paramiko.DSSKey,
paramiko.Ed25519Key,
paramiko.ECDSAKey,)
def ssh_key_string_to_obj(text, password=None):
@@ -134,17 +137,6 @@ def ssh_key_gen(length=2048, type='rsa', password=None, username='jumpserver', h
def validate_ssh_private_key(text, password=None):
if isinstance(text, str):
try:
text = text.encode("utf-8")
except UnicodeDecodeError:
return False
if isinstance(password, str):
try:
password = password.encode("utf-8")
except UnicodeDecodeError:
return False
key = parse_ssh_private_key_str(text, password=password)
return bool(key)
@@ -153,6 +145,7 @@ def parse_ssh_private_key_str(text: bytes, password=None) -> str:
private_key = _parse_ssh_private_key(text, password=password)
if private_key is None:
return ""
# 解析之后,转换成 openssh 格式的私钥
private_key_bytes = private_key.private_bytes(
serialization.Encoding.PEM,
serialization.PrivateFormat.OpenSSH,
@@ -194,12 +187,15 @@ def _parse_ssh_private_key(text, password=None):
return None
try:
private_key = serialization.load_ssh_private_key(text, password=password)
return private_key
except (ValueError, TypeError):
logging.error("Invalid private key")
pass
return None
if is_openssh_format_key(text):
return serialization.load_ssh_private_key(text, password=password)
return serialization.load_pem_private_key(text, password=password)
except (ValueError, TypeError) as e:
raise e
def is_openssh_format_key(text: bytes):
return text.startswith(b"-----BEGIN OPENSSH PRIVATE KEY-----")
def validate_ssh_public_key(text):