config.read_file(stream)
return config
-def certfile(name, suff = None):
+def certfile(name):
global config
- return os.path.join(config['dirs']['certs'], name + ".crt" + ('' if suff is None else '+'+suff) )
+ return os.path.join(config['dirs']['certs'], name + ".crt" )
def keyfile(name):
global config
def csrfile(name):
global config
- return os.path.join(config['dirs']['csrs'], name + ".csr")
+ return os.path.join(config['dirs']['keys'], name + ".csr.tmp")
def make_backup(fname):
if os.path.exists(fname):
while True:
backupfile = os.path.join(config['dirs']['backups'], backupname + "." + str(i))
if not os.path.exists(backupfile):
- os.rename(src = fname, dst = backupfile)
+ os.rename(fname, backupfile)
break
elif i >= 100:
print("Somehow it's really hard to find a name for the backup file...")
file.write(csr)
# call acme-tiny as a script
acme_tiny = os.path.join(config['acme']['acme-tiny'], 'acme_tiny.py')
- signed_crt = subprocess.check_output([acme_tiny, "--quiet", "--account-key", config['acme']['account-key'], "--csr", csrfile(name), "--acme-dir", config['acme']['challenge-dir']])
+ signed_crt = subprocess.check_output(["python", acme_tiny, "--quiet", "--account-key", config['acme']['account-key'], "--csr", csrfile(name), "--acme-dir", config['acme']['challenge-dir']])
# save new certificate
make_backup(certfile(name))
with open(certfile(name), 'wb') as f:
f.write(signed_crt)
- # append DH params
- dhfile = config['DEFAULT']['dh-params']
- if dhfile is not None:
- with open(dhfile, 'rb') as f:
- dh = f.read()
- with open(certfile(name, 'dh'), 'wb') as f:
- f.write(signed_crt)
- f.write(dh)
+ # clean up
+ os.remove(csrfile(name))
def request_cert(name):
global config
if not os.path.exists(keyfile(name)):
raise Exception("No such key: {}".format(name))
domains = config['DEFAULT']['domains'].split()
- print("Obtaining certificate '{}' for domains {}".format(name, ' '.join(domains)))
+ print("Obtaining certificate '{}' for domains: {}".format(name, ' '.join(domains)))
acme(name, domains)
def generate_key(name):
if f.returncode:
sys.stderr.write(stderr)
raise Exception("Error while generating private key")
- # now we have a key, save it
- make_backup(keyfile(name))
+ # Now we have a key, save it. This should never overwrite anything.
+ assert not os.path.exists(keyfile(name))
with open(keyfile(name), 'wb') as f:
f.write(stdout)
-def check_staging():
+def check_staging(live, staging):
'''Returns 0 if nothing was done, 1 if a stage key is present but has to be kept, 2 is a stage key was unstaged.'''
- live = config['files']['live']
- staging = config['files']['staging']
- if staging is None or not os.path.exists(keyfile(staging)):
+ if not os.path.exists(keyfile(staging)):
return 0
- staging_time = datetime.timedelta(hours = int(config['timing']['staging-hours']))
+
+ staging_time = datetime.timedelta(hours = int(config['timing'].get('staging-hours', 0)))
key_age = datetime.datetime.now() - key_mtime(staging)
if key_age < staging_time:
return 1
print("Unstaging '{}' to '{}'".format(staging, live))
# unstage the key!
make_backup(keyfile(live))
- os.rename(src = keyfile(staging), dst = keyfile(live))
+ os.rename(keyfile(staging), keyfile(live))
make_backup(certfile(live))
- os.rename(src = certfile(staging), dst = certfile(live))
- try:
- os.rename(src = certfile(staging, 'dh'), dst = certfile(live, 'dh'))
- except FileNotFoundError:
- pass
+ os.rename(certfile(staging), certfile(live))
return 2
-def auto_renewal():
+def auto_renewal(live, staging):
'''Returns 0 if nothing was done, 1 if only certs were changed, 2 if certs and keys were changed.'''
- live = config['files']['live']
- staging = config['files']['staging']
-
max_key_age = datetime.timedelta(days = int(config['timing']['max-key-age-days']))
renew_cert_time = datetime.timedelta(days = int(config['timing']['renew-cert-before-expiry-days']))
# Do it
if need_new_key:
- new_key_name = (live if staging is None else staging)
- generate_key(new_key_name)
- request_cert(new_key_name)
+ generate_key(staging)
+ request_cert(staging)
+ check_staging(live, staging) # we may want to immediately enable the new key & cert
return 2
elif need_new_cert:
request_cert(live)
global config
config = readConfig(args.config)
+ live = config['files']['live']
+ staging = config['files']['staging']
if args.action[0] == 'renew':
- live = config['files']['live']
- staging = config['files']['staging']
-
request_cert(live)
- if staging is not None and os.path.exists(keyfile(staging)):
+ if os.path.exists(keyfile(staging)) and os.path.exists(certfile(staging)):
request_cert(staging)
# trigger the "new cert" hook
if args.hooks:
trigger_hook('post-certchange')
elif args.action[0] == 'cron':
# First, check if we need to unstage a staging key
- unstaged = check_staging()
+ unstaged = check_staging(live, staging)
if unstaged >= 1:
- # A staging eky is present, do *not* check for renewal
+ # A staging key is present, do *not* check for renewal
if unstaged >= 2 and args.hooks:
# trigger all the hooks
trigger_hook('post-certchange')
trigger_hook('post-keychange')
else:
# Check if we need to renew anything
- renewed = auto_renewal()
+ renewed = auto_renewal(live, staging)
if args.hooks:
if renewed >= 1:
trigger_hook('post-certchange')