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Remove convertsecrets script, we're done with that

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Alex 2022-12-25 22:57:33 +01:00
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convertsecrets
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#!/usr/bin/env nix-shell
#!nix-shell -i python3 -p "python3.withPackages(ps: [ ps.pip ps.consul ps.ldap ps.passlib ps.requests ps.six ])"
# DEPENDENCY: python-consul
import consul
# DEPENDENCY: python-ldap
import ldap
# DEPENDENCY: passlib
from passlib.hash import ldap_salted_sha1
import os
import sys
import glob
import subprocess
import getpass
import base64
from secrets import token_bytes
"""
TODO: this will be a utility to handle secrets in the Consul database
for the various components of the Deuxfleurs infrastructure
Functionnalities:
- check that secrets are correctly configured
- help user fill in secrets
- create LDAP service users and fill in corresponding secrets
- maybe one day: manage SSL certificates and keys
It uses files placed in <module_name>/secrets/* to know what secrets
it should handle. These secret files contain directives for what to do
about these secrets.
Example directives:
USER <description>
(a secret that must be filled in by the user)
USER_LONG <description>
(the same, indicates that the secret fits on several lines)
CMD <command>
(a secret that is generated by running this command)
CMD_ONCE <command>
(same, but value is not changed when doing a regen)
CONST <constant value>
(the secret has a constant value set here)
CONST_LONG
<constant value, several lines>
(same)
SERVICE_DN <service name> <service description>
(the LDAP DN of a service user)
SERVICE_PASSWORD <service name>
(the LDAP password for the corresponding service user)
SSL_CERT <cert name> <list of domains>
(a SSL domain for the given domains)
SSL_KEY <cert name>
(the SSL key going with corresponding certificate)
RSA_PUBLIC_KEY <key name> <key description>
(a public RSA key)
RSA_PRIVATE_KEY <key name>
(the corresponding private RSA key)
"""
# Parameters
LDAP_URL = "ldap://localhost:1389"
SERVICE_DN_SUFFIX = "ou=services,ou=users,dc=deuxfleurs,dc=fr"
consul_server = consul.Consul()
# ----
USER = "USER"
USER_LONG = "USER_LONG"
CMD = "CMD"
CMD_ONCE = "CMD_ONCE"
CONST = "CONST"
CONST_LONG = "CONST_LONG"
SERVICE_DN = "SERVICE_DN"
SERVICE_PASSWORD = "SERVICE_PASSWORD"
SSL_CERT = "SSL_CERT"
SSL_KEY = "SSL_KEY"
RSA_PUBLIC_KEY = "RSA_PUBLIC_KEY"
RSA_PRIVATE_KEY = "RSA_PRIVATE_KEY"
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKCYAN = '\033[96m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
def read_secret(key, file_path):
lines = [l.strip() for l in open(file_path, "r")]
if len(lines) == 0:
print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Empty file in", file_path)
sys.exit(-1)
l0 = lines[0].split(" ")
stype = l0[0]
secret = {"type": stype, "key": key}
if stype in [USER, USER_LONG]:
secret["desc"] = " ".join(l0[1:])
elif stype in [CMD, CMD_ONCE]:
secret["cmd"] = " ".join(l0[1:])
elif stype == CONST:
secret["value"] = " ".join(l0[1:])
elif stype == CONST_LONG:
secret["value"] = "\n".join(lines[1:])
elif stype in [SERVICE_DN, SERVICE_PASSWORD]:
secret["service"] = l0[1]
if stype == SERVICE_DN:
secret["service_desc"] = " ".join(l0[2:])
elif stype in [SSL_CERT, SSL_KEY]:
secret["cert_name"] = l0[1]
if stype == SSL_CERT:
secret["cert_domains"] = l0[2:]
elif stype in [RSA_PUBLIC_KEY, RSA_PRIVATE_KEY]:
secret["key_name"] = l0[1]
if stype == RSA_PUBLIC_KEY:
secret["key_desc"] = " ".join(l0[2:])
else:
print(bcolors.FAIL, "ERROR:", bcolors.ENDC, "Invalid secret type", stype, "in", file_path)
sys.exit(-1)
return secret
def read_secrets(module_list):
secrets = {}
for mod in module_list:
for file_path in glob.glob(mod.strip('/') + "/secrets/**", recursive=True):
if os.path.isfile(file_path):
key = '/'.join(file_path.split("/")[1:])
secrets[key] = read_secret(key, file_path)
return secrets
def convert_secrets(module_list):
for mod in module_list:
print("converting module: ", mod)
secrets = read_secrets([mod])
with open(os.path.join(mod.strip('/'), "secrets.toml"), "w") as file:
for (secret_key, secret) in secrets.items():
file.write("[secrets.\"{}\"]\n".format("/".join(secret_key.split("/")[1:])))
ty = secret["type"]
if ty in [CMD, CMD_ONCE]:
newsecret = {
"type": "command",
"rotate": ty != "CMD_ONCE",
"command": secret["cmd"],
}
elif ty in [USER, USER_LONG]:
newsecret = {
"type": "user",
"multiline": ty == "USER_LONG",
"description": secret["desc"],
}
elif ty in [CONST, CONST_LONG]:
newsecret = {
"type": "constant",
"value": secret["value"],
}
else:
newsecret = {
"type": secret["type"],
}
if "service_desc" in secret:
newsecret["description"] = secret["service_desc"]
if "key_desc" in secret:
newsecret["description"] = secret["key_desc"]
if "cert_name" in secret:
newsecret["name"] = secret["cert_name"]
if "key_name" in secret:
newsecret["name"] = secret["key_name"]
for k in ["service", "cert_domains"]:
if k in secret:
newsecret[k] = secret[k]
for (k, v) in newsecret.items():
if type(v) == bool:
if v:
file.write("{} = true\n".format(k))
elif type(v) == str:
file.write("{} = {}\n".format(k, repr(v)))
else:
print("warning: invalid value: ", v)
print("secret to fix: ", k)
file.write("{} = {}\n".format(k, repr(repr(v))))
file.write("\n")
# ---- MAIN ----
if __name__ == "__main__":
for i, val in enumerate(sys.argv):
if val == "convert":
convert_secrets(sys.argv[i+1:])
break
else:
print("Usage:")
print(" convertsecrets convert <module name>...")
# vim: set sts=4 ts=4 sw=4 tw=0 ft=python et :