unshackle/unshackle/vaults/HTTP.py
2026-01-03 18:02:26 +02:00

411 lines
14 KiB
Python

import json
from enum import Enum
from typing import Iterator, Optional, Union
from uuid import UUID
from requests import Session
from unshackle.core import __version__
from unshackle.core.vault import Vault
class InsertResult(Enum):
FAILURE = 0
SUCCESS = 1
ALREADY_EXISTS = 2
class HTTP(Vault):
"""
Key Vault using HTTP API with support for multiple API modes.
Supported modes:
- query: Uses GET requests with query parameters
- json: Uses POST requests with JSON payloads
- decrypt_labs: Uses DecryptLabs API format (read-only)
"""
def __init__(
self,
name: str,
host: str,
password: Optional[str] = None,
api_key: Optional[str] = None,
username: Optional[str] = None,
api_mode: str = "query",
no_push: bool = False,
):
"""
Initialize HTTP Vault.
Args:
name: Vault name
host: Host URL
password: Password for query mode or API token for json mode
api_key: API key (alternative to password, used for decrypt_labs mode)
username: Username (required for query mode, ignored for json/decrypt_labs mode)
api_mode: "query" for query parameters, "json" for JSON API, or "decrypt_labs" for DecryptLabs API
no_push: If True, this vault will not receive pushed keys
"""
super().__init__(name, no_push)
self.url = host
self.password = api_key or password
if not self.password:
raise ValueError("Either password or api_key is required")
self.username = username
self.api_mode = api_mode.lower()
self.current_title = None
self.session = Session()
self.session.headers.update({"User-Agent": f"unshackle v{__version__}"})
self.api_session_id = None
if self.api_mode == "decrypt_labs":
self.session.headers.update({"decrypt-labs-api-key": self.password})
self.no_push = True
# Validate configuration based on mode
if self.api_mode == "query" and not self.username:
raise ValueError("Username is required for query mode")
elif self.api_mode not in ["query", "json", "decrypt_labs"]:
raise ValueError("api_mode must be either 'query', 'json', or 'decrypt_labs'")
def request(self, method: str, params: dict = None) -> dict:
"""Make a request to the JSON API vault."""
if self.api_mode != "json":
raise ValueError("request method is only available in json mode")
request_payload = {
"method": method,
"params": {
**(params or {}),
"session_id": self.api_session_id,
},
"token": self.password,
}
r = self.session.post(self.url, json=request_payload)
if r.status_code == 404:
return {"status": "not_found"}
if not r.ok:
raise ValueError(f"API returned HTTP Error {r.status_code}: {r.reason.title()}")
try:
res = r.json()
except json.JSONDecodeError:
if r.status_code == 404:
return {"status": "not_found"}
raise ValueError(f"API returned an invalid response: {r.text}")
if res.get("status_code") != 200:
raise ValueError(f"API returned an error: {res['status_code']} - {res['message']}")
if session_id := res.get("message", {}).get("session_id"):
self.api_session_id = session_id
return res.get("message", res)
def get_key(self, kid: Union[UUID, str], service: str) -> Optional[str]:
if isinstance(kid, UUID):
kid = kid.hex
if self.api_mode == "decrypt_labs":
try:
request_payload = {"service": service.lower(), "kid": kid}
response = self.session.post(self.url, json=request_payload)
if not response.ok:
return None
data = response.json()
if data.get("message") != "success":
return None
cached_keys = data.get("cached_keys")
if not cached_keys:
return None
if isinstance(cached_keys, str):
try:
cached_keys = json.loads(cached_keys)
except json.JSONDecodeError:
return cached_keys
if isinstance(cached_keys, dict):
if cached_keys.get("kid") == kid:
return cached_keys.get("key")
if kid in cached_keys:
return cached_keys[kid]
elif isinstance(cached_keys, list):
for entry in cached_keys:
if isinstance(entry, dict):
if entry.get("kid") == kid:
return entry.get("key")
elif isinstance(entry, str) and ":" in entry:
entry_kid, entry_key = entry.split(":", 1)
if entry_kid == kid:
return entry_key
except Exception as e:
print(f"Failed to get key from DecryptLabs ({e.__class__.__name__}: {e})")
return None
return None
elif self.api_mode == "json":
try:
params = {
"kid": kid,
"service": service.lower(),
}
response = self.request("GetKey", params)
if response.get("status") == "not_found":
return None
keys = response.get("keys", [])
for key_entry in keys:
if isinstance(key_entry, str) and ":" in key_entry:
entry_kid, entry_key = key_entry.split(":", 1)
if entry_kid == kid:
return entry_key
elif isinstance(key_entry, dict):
if key_entry.get("kid") == kid:
return key_entry.get("key")
except Exception as e:
print(f"Failed to get key ({e.__class__.__name__}: {e})")
return None
return None
else: # query mode
response = self.session.get(
self.url,
params={"service": service.lower(), "username": self.username, "password": self.password, "kid": kid},
)
data = response.json()
if data.get("status_code") != 200 or not data.get("keys"):
return None
return data["keys"][0]["key"]
def get_keys(self, service: str) -> Iterator[tuple[str, str]]:
if self.api_mode == "decrypt_labs":
return iter([])
elif self.api_mode == "json":
# JSON API doesn't support getting all keys, so return empty iterator
# This will cause the copy command to rely on the API's internal duplicate handling
return iter([])
else: # query mode
response = self.session.get(
self.url, params={"service": service.lower(), "username": self.username, "password": self.password}
)
data = response.json()
if data.get("status_code") != 200 or not data.get("keys"):
return
for key_entry in data["keys"]:
yield key_entry["kid"], key_entry["key"]
def add_key(self, service: str, kid: Union[UUID, str], key: str) -> bool:
if not key or key.count("0") == len(key):
raise ValueError("You cannot add a NULL Content Key to a Vault.")
if self.api_mode == "decrypt_labs":
return False
if isinstance(kid, UUID):
kid = kid.hex
title = getattr(self, "current_title", None)
if self.api_mode == "json":
try:
response = self.request(
"InsertKey",
{
"kid": kid,
"key": key,
"service": service.lower(),
"title": title,
},
)
if response.get("status") == "not_found":
return False
return response.get("inserted", False)
except Exception:
return False
else: # query mode
response = self.session.get(
self.url,
params={
"service": service.lower(),
"username": self.username,
"password": self.password,
"kid": kid,
"key": key,
"title": title,
},
)
data = response.json()
return data.get("status_code") == 200
def add_keys(self, service: str, kid_keys: dict[Union[UUID, str], str]) -> int:
if self.api_mode == "decrypt_labs":
return 0
for kid, key in kid_keys.items():
if not key or key.count("0") == len(key):
raise ValueError("You cannot add a NULL Content Key to a Vault.")
processed_kid_keys = {
str(kid).replace("-", "") if isinstance(kid, UUID) else kid: key for kid, key in kid_keys.items()
}
inserted_count = 0
title = getattr(self, "current_title", None)
if self.api_mode == "json":
for kid, key in processed_kid_keys.items():
try:
response = self.request(
"InsertKey",
{
"kid": kid,
"key": key,
"service": service.lower(),
"title": title,
},
)
if response.get("status") == "not_found":
continue
if response.get("inserted", False):
inserted_count += 1
except Exception:
continue
else: # query mode
for kid, key in processed_kid_keys.items():
response = self.session.get(
self.url,
params={
"service": service.lower(),
"username": self.username,
"password": self.password,
"kid": kid,
"key": key,
"title": title,
},
)
data = response.json()
if data.get("status_code") == 200 and data.get("inserted", True):
inserted_count += 1
return inserted_count
def get_services(self) -> Iterator[str]:
if self.api_mode == "decrypt_labs":
return iter([])
elif self.api_mode == "json":
try:
response = self.request("GetServices")
services = response.get("services", [])
for service in services:
yield service
except Exception:
return iter([])
else: # query mode
response = self.session.get(
self.url, params={"username": self.username, "password": self.password, "list_services": True}
)
data = response.json()
if data.get("status_code") != 200:
return
services = data.get("services", [])
for service in services:
yield service
def set_title(self, title: str):
"""
Set a title to be used for the next key insertions.
This is optional and will be sent with add_key requests if available.
"""
self.current_title = title
def insert_key_with_result(
self, service: str, kid: Union[UUID, str], key: str, title: Optional[str] = None
) -> InsertResult:
"""
Insert a key and return detailed result information.
This method provides more granular feedback than the standard add_key method.
Available in both API modes.
"""
if not key or key.count("0") == len(key):
raise ValueError("You cannot add a NULL Content Key to a Vault.")
if self.api_mode == "decrypt_labs":
return InsertResult.FAILURE
if isinstance(kid, UUID):
kid = kid.hex
if title is None:
title = getattr(self, "current_title", None)
if self.api_mode == "json":
try:
response = self.request(
"InsertKey",
{
"kid": kid,
"key": key,
"service": service.lower(),
"title": title,
},
)
if response.get("status") == "not_found":
return InsertResult.FAILURE
if response.get("inserted", False):
return InsertResult.SUCCESS
else:
return InsertResult.ALREADY_EXISTS
except Exception:
return InsertResult.FAILURE
else: # query mode
response = self.session.get(
self.url,
params={
"service": service.lower(),
"username": self.username,
"password": self.password,
"kid": kid,
"key": key,
"title": title,
},
)
try:
data = response.json()
if data.get("status_code") == 200:
if data.get("inserted", True):
return InsertResult.SUCCESS
else:
return InsertResult.ALREADY_EXISTS
else:
return InsertResult.FAILURE
except Exception:
return InsertResult.FAILURE