ArchiveBox/archivebox/api/auth.py

107 lines
3.7 KiB
Python

__package__ = 'archivebox.api'
from typing import Optional
from django.http import HttpRequest
from django.contrib.auth import login
from django.contrib.auth import authenticate
from django.contrib.auth.models import AbstractBaseUser
from ninja.security import HttpBearer, APIKeyQuery, APIKeyHeader, HttpBasicAuth, django_auth_superuser
def auth_using_token(token, request: Optional[HttpRequest]=None) -> Optional[AbstractBaseUser]:
"""Given an API token string, check if a corresponding non-expired APIToken exists, and return its user"""
from api.models import APIToken # lazy import model to avoid loading it at urls.py import time
user = None
submitted_empty_form = token in ('string', '', None)
if submitted_empty_form:
user = request.user # see if user is authed via django session and use that as the default
else:
try:
token = APIToken.objects.get(token=token)
if token.is_valid():
user = token.user
except APIToken.DoesNotExist:
pass
if not user:
print('[❌] Failed to authenticate API user using API Key:', request)
return None
def auth_using_password(username, password, request: Optional[HttpRequest]=None) -> Optional[AbstractBaseUser]:
"""Given a username and password, check if they are valid and return the corresponding user"""
user = None
submitted_empty_form = (username, password) in (('string', 'string'), ('', ''), (None, None))
if submitted_empty_form:
user = request.user # see if user is authed via django session and use that as the default
else:
user = authenticate(
username=username,
password=password,
)
if not user:
print('[❌] Failed to authenticate API user using API Key:', request)
return user
### Base Auth Types
class APITokenAuthCheck:
"""The base class for authentication methods that use an api.models.APIToken"""
def authenticate(self, request: HttpRequest, key: Optional[str]=None) -> Optional[AbstractBaseUser]:
user = auth_using_token(
token=key,
request=request,
)
if user is not None:
login(request, user, backend='django.contrib.auth.backends.ModelBackend')
return user
class UserPassAuthCheck:
"""The base class for authentication methods that use a username & password"""
def authenticate(self, request: HttpRequest, username: Optional[str]=None, password: Optional[str]=None) -> Optional[AbstractBaseUser]:
user = auth_using_password(
username=username,
password=password,
request=request,
)
if user is not None:
login(request, user, backend='django.contrib.auth.backends.ModelBackend')
return user
### Django-Ninja-Provided Auth Methods
class HeaderTokenAuth(APITokenAuthCheck, APIKeyHeader):
"""Allow authenticating by passing X-API-Key=xyz as a request header"""
param_name = "X-ArchiveBox-API-Key"
class BearerTokenAuth(APITokenAuthCheck, HttpBearer):
"""Allow authenticating by passing Bearer=xyz as a request header"""
pass
class QueryParamTokenAuth(APITokenAuthCheck, APIKeyQuery):
"""Allow authenticating by passing api_key=xyz as a GET/POST query parameter"""
param_name = "api_key"
class UsernameAndPasswordAuth(UserPassAuthCheck, HttpBasicAuth):
"""Allow authenticating by passing username & password via HTTP Basic Authentication (not recommended)"""
pass
### Enabled Auth Methods
API_AUTH_METHODS = [
HeaderTokenAuth(),
BearerTokenAuth(),
QueryParamTokenAuth(),
django_auth_superuser,
UsernameAndPasswordAuth(),
]