Files
ssh-jumphost/app/models/schemas.py
2026-08-20 14:49:19 +02:00

223 lines
7.3 KiB
Python

"""
Pydantic-Schemas fuer alle API-Eingaben/-Ausgaben.
Strikte Validierung ist Teil des Hardening-Konzepts (6.6): Laenge, Typ und
erlaubte Zeichen werden hier durchgesetzt, bevor irgendein Wert die
Business-Logik oder die Datenbank erreicht.
"""
from __future__ import annotations
import re
from typing import Literal
from pydantic import BaseModel, Field, field_validator
USERNAME_RE = re.compile(r"^[a-zA-Z0-9._-]{3,64}$")
HOSTNAME_LABEL_RE = re.compile(r"^[a-zA-Z0-9][a-zA-Z0-9._-]{0,127}$")
ROLE_NAME = Literal[
"ssh_connect", "rdp_connect", "file_transfer", "clipboard",
"session_recording_view", "admin_hostgroup",
]
class LoginRequest(BaseModel):
username: str = Field(min_length=3, max_length=64)
password: str = Field(min_length=1, max_length=256)
@field_validator("username")
@classmethod
def check_username(cls, v: str) -> str:
if not USERNAME_RE.match(v):
raise ValueError("Ungueltiger Benutzername")
return v
class TotpLoginRequest(BaseModel):
pending_token: str
code: str = Field(min_length=6, max_length=64)
class TotpConfirmRequest(BaseModel):
code: str = Field(min_length=6, max_length=6, pattern=r"^\d{6}$")
class ChangePasswordRequest(BaseModel):
current_password: str = Field(min_length=1, max_length=256)
new_password: str = Field(min_length=12, max_length=256)
class UserCreateRequest(BaseModel):
username: str = Field(min_length=3, max_length=64)
initial_password: str = Field(min_length=12, max_length=256)
is_admin: bool = False
# Nur relevant, wenn der anlegende Principal Mandanten-Admin ist: wird
# serverseitig ohnehin auf den/die erlaubten Mandanten erzwungen (siehe
# create_user() in admin/routes.py) -- ein Mandanten-Admin kann hierueber
# KEINEN User einem fremden Mandanten zuordnen. Fuer Super-Admins optional.
home_tenant_id: int | None = None
@field_validator("username")
@classmethod
def check_username(cls, v: str) -> str:
if not USERNAME_RE.match(v):
raise ValueError("Ungueltiger Benutzername")
return v
class UserUpdateRequest(BaseModel):
is_admin: bool | None = None
is_active: bool | None = None
new_password: str | None = Field(default=None, min_length=12, max_length=256)
class TenantCreateRequest(BaseModel):
name: str = Field(min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
class TenantUpdateRequest(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
is_active: bool | None = None
class TenantAdminAssignRequest(BaseModel):
user_id: int
class HostGroupCreateRequest(BaseModel):
name: str = Field(min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
# Nur fuer Super-Admins relevant (Mandanten-Admins werden serverseitig
# ohnehin auf ihren eigenen Mandanten festgelegt, siehe admin/routes.py).
tenant_id: int | None = None
class HostGroupUpdateRequest(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
class HostCreateRequest(BaseModel):
host_group_id: int
hostname: str = Field(min_length=1, max_length=128)
address: str = Field(min_length=1, max_length=255)
protocol: Literal["ssh", "rdp"]
port: int = Field(gt=0, le=65535)
os_type: Literal["linux", "windows"]
ssh_host_key_fingerprint: str | None = Field(default=None, max_length=512)
ssh_username: str | None = Field(default=None, max_length=128)
rdp_username: str | None = Field(default=None, max_length=128)
rdp_domain: str | None = Field(default=None, max_length=128)
rdp_require_nla: bool = True
clipboard_enabled: bool = True
file_transfer_enabled: bool = True
@field_validator("hostname")
@classmethod
def check_hostname(cls, v: str) -> str:
if not HOSTNAME_LABEL_RE.match(v):
raise ValueError("Ungueltiger Hostname")
return v
class HostUpdateRequest(BaseModel):
host_group_id: int | None = None
hostname: str | None = Field(default=None, min_length=1, max_length=128)
address: str | None = Field(default=None, min_length=1, max_length=255)
port: int | None = Field(default=None, gt=0, le=65535)
ssh_username: str | None = None
rdp_username: str | None = None
rdp_domain: str | None = None
rdp_require_nla: bool | None = None
clipboard_enabled: bool | None = None
file_transfer_enabled: bool | None = None
is_active: bool | None = None
@field_validator("hostname")
@classmethod
def check_hostname(cls, v: str | None) -> str | None:
if v is not None and not HOSTNAME_LABEL_RE.match(v):
raise ValueError("Ungueltiger Hostname")
return v
class RoleGrantRequest(BaseModel):
user_id: int
host_group_id: int
role_names: list[ROLE_NAME] = Field(min_length=1, max_length=6)
expires_at: str | None = None
class RoleRevokeRequest(BaseModel):
user_id: int
host_group_id: int
role_name: ROLE_NAME
class UserGroupCreateRequest(BaseModel):
name: str = Field(min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
tenant_id: int | None = None
class UserGroupUpdateRequest(BaseModel):
name: str | None = Field(default=None, min_length=1, max_length=128)
description: str | None = Field(default=None, max_length=1024)
class GroupMemberRequest(BaseModel):
user_id: int
class GroupRoleGrantRequest(BaseModel):
user_group_id: int
host_group_id: int
role_names: list[ROLE_NAME] = Field(min_length=1, max_length=6)
expires_at: str | None = None
class GroupRoleRevokeRequest(BaseModel):
user_group_id: int
host_group_id: int
role_name: ROLE_NAME
class ApiTokenCreateRequest(BaseModel):
label: str = Field(min_length=1, max_length=128)
user_id: int
scopes: list[str] = Field(min_length=1, max_length=32)
expires_at: str | None = None
# Nur fuer Super-Admins relevant -- ein Mandanten-Admin wird serverseitig
# ohnehin auf seinen eigenen Mandanten festgelegt.
tenant_id: int | None = None
class SshKeyCreateRequest(BaseModel):
label: str = Field(min_length=1, max_length=128)
owner_user_id: int | None = None
private_key_pem: str = Field(min_length=1, max_length=32_768)
public_key: str = Field(min_length=1, max_length=8192)
key_type: Literal["ed25519", "rsa-3072", "rsa-4096", "ca-cert"]
tenant_id: int | None = None
class SshKeyUpdateRequest(BaseModel):
label: str | None = Field(default=None, min_length=1, max_length=128)
owner_user_id: int | None = None
# Wenn gesetzt, wird der Schluessel rotiert (neues Schluesselmaterial,
# rotated_at wird aktualisiert). Alle drei Felder muessen dann zusammen
# angegeben werden (siehe rotate_ssh_key() in admin/routes.py).
private_key_pem: str | None = Field(default=None, min_length=1, max_length=32_768)
public_key: str | None = Field(default=None, min_length=1, max_length=8192)
key_type: Literal["ed25519", "rsa-3072", "rsa-4096", "ca-cert"] | None = None
class ConnectRequest(BaseModel):
host_id: int
class RdpCredentialsRequest(BaseModel):
password: str = Field(min_length=1, max_length=512)