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140 lines
3.3 KiB
140 lines
3.3 KiB
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import cmd
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import hashlib
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import json
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import os
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import os.path
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import shutil
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import sqlite3
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import tempfile
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from paths import *
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from lookup import CALookup, RequestLookup
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__doc__= """
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Define classes to interact with certificate requests and Certification Authority
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"""
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class CAManager(object):
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"""
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Middleware to interact with ssh-keygen
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"""
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def __init__(self, path):
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self.path = path
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self.ca = CALookup(self.ssh_ca_dir, self.ssl_ca_dir)
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self.request = RequestLookup()
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def __enter__(self):
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"""
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Enter a context block, connect to database
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"""
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self.conn = sqlite3.connect(self.db_path)
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self.ca.conn = self.conn
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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"""
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Exit a context block, disconnect from database
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"""
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if exc_type is not None:
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print(exc_type, exc_value)
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print(traceback)
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self.ca.conn = None
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self.conn.close()
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@property
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def db_path(self):
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return os.path.join(self.path, 'ca_manager.db')
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@property
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def ssh_ca_dir(self):
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return os.path.join(self.path, 'ssh_cas')
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@property
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def ssl_ca_dir(self):
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return os.path.join(self.path, 'ssl_cas')
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def init_manager(paths):
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"""
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Initiate the manager by creating the
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directories to store CAs and requests.
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Create a database to store the information
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"""
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db_path = os.path.join(paths[0], 'ca_manager.db')
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directories = ['ssh_cas', 'ssl_cas']
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# ensure the directories needed by CAManager
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# exists
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for dirpath in paths:
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if not os.path.exists(dirpath):
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os.makedirs(dirpath)
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# ensure ssh_cas ad ssl_cas directories
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# exists in MANAGER_PATH
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for dirname in directories:
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dirpath = os.path.join(paths[0], dirname)
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if not os.path.exists(dirpath):
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os.mkdir(dirpath)
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# ensure the database exists
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# in MANAGER_PATH
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if not os.path.exists(db_path):
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conn = sqlite3.connect(db_path)
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c = conn.cursor()
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c.execute("""CREATE TABLE cas (id text, name text, type text)""")
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conn.commit()
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conn.close()
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def sign_request(ca_manager, request_id, authority_id):
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authority, request = None, None
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try:
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authority = ca_manager.ca[authority_id]
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except IndexError:
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print("Could not find CA '%d'" % authority_id)
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return
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try:
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request = ca_manager.request[request_id]
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except IndexError:
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print("Could not find request '%d'" % request_id)
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h = hashlib.sha256()
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h.update(request.key_data.encode('utf-8'))
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print("Request hash: %s" % h.hexdigest())
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print("You are about to sign this request with the following CA:")
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confirm = input('Proceed? (type yes)> ')
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if confirm != 'yes':
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print ("user abort")
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return
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cert_path = authority.sign(request)
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del ca_manager.request[request_id]
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shutil.copy(cert_path, os.path.join(RESULTS_PATH, request.req_id))
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if __name__ == '__main__':
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from ca_shell import CAManagerShell
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init_manager([
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MANAGER_PATH,
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REQUESTS_PATH,
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OUTPUT_PATH,
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RESULTS_PATH,
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])
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with CAManager(MANAGER_PATH) as ca_manager:
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CAManagerShell(ca_manager).cmdloop()
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