mirror of
https://github.com/jointakahe/takahe.git
synced 2024-12-28 08:00:33 +00:00
110 lines
4 KiB
Python
110 lines
4 KiB
Python
import secrets
|
|
from urllib.parse import urlparse, urlunparse
|
|
|
|
from django.contrib.auth.mixins import LoginRequiredMixin
|
|
from django.http import HttpResponseRedirect, JsonResponse
|
|
from django.utils.decorators import method_decorator
|
|
from django.views.decorators.csrf import csrf_exempt
|
|
from django.views.generic import TemplateView, View
|
|
|
|
from api.models import Application, Token
|
|
from api.parser import FormOrJsonParser
|
|
|
|
|
|
class OauthRedirect(HttpResponseRedirect):
|
|
def __init__(self, redirect_uri, key, value):
|
|
url_parts = urlparse(redirect_uri)
|
|
self.allowed_schemes = [url_parts.scheme]
|
|
# Either add or join the query section
|
|
url_parts = list(url_parts)
|
|
if url_parts[4]:
|
|
url_parts[4] = url_parts[4] + f"&{key}={value}"
|
|
else:
|
|
url_parts[4] = f"{key}={value}"
|
|
super().__init__(urlunparse(url_parts))
|
|
|
|
|
|
class AuthorizationView(LoginRequiredMixin, TemplateView):
|
|
"""
|
|
Asks the user to authorize access.
|
|
|
|
Could maybe be a FormView, but things are weird enough we just handle the
|
|
POST manually.
|
|
"""
|
|
|
|
template_name = "api/oauth_authorize.html"
|
|
|
|
def get_context_data(self):
|
|
redirect_uri = self.request.GET["redirect_uri"]
|
|
scope = self.request.GET.get("scope", "read")
|
|
try:
|
|
application = Application.objects.get(
|
|
client_id=self.request.GET["client_id"]
|
|
)
|
|
except (Application.DoesNotExist, KeyError):
|
|
return OauthRedirect(redirect_uri, "error", "invalid_application")
|
|
return {
|
|
"application": application,
|
|
"redirect_uri": redirect_uri,
|
|
"scope": scope,
|
|
"identities": self.request.user.identities.all(),
|
|
}
|
|
|
|
def post(self, request):
|
|
post_data = FormOrJsonParser().parse_body(request)
|
|
# Grab the application and other details again
|
|
redirect_uri = post_data["redirect_uri"]
|
|
scope = post_data["scope"]
|
|
application = Application.objects.get(client_id=post_data["client_id"])
|
|
# Get the identity
|
|
identity = self.request.user.identities.get(pk=post_data["identity"])
|
|
# Make a token
|
|
token = Token.objects.create(
|
|
application=application,
|
|
user=self.request.user,
|
|
identity=identity,
|
|
token=secrets.token_urlsafe(32),
|
|
code=secrets.token_urlsafe(16),
|
|
scopes=scope.split(),
|
|
)
|
|
# Redirect with the token's code
|
|
return OauthRedirect(redirect_uri, "code", token.code)
|
|
|
|
|
|
@method_decorator(csrf_exempt, name="dispatch")
|
|
class TokenView(View):
|
|
def post(self, request):
|
|
post_data = FormOrJsonParser().parse_body(request)
|
|
grant_type = post_data["grant_type"]
|
|
|
|
try:
|
|
application = Application.objects.get(client_id=post_data["client_id"])
|
|
except (Application.DoesNotExist, KeyError):
|
|
return JsonResponse({"error": "invalid_client_id"}, status=400)
|
|
# TODO: Implement client credentials flow
|
|
if grant_type == "client_credentials":
|
|
return JsonResponse({"error": "invalid_grant_type"}, status=400)
|
|
elif grant_type == "authorization_code":
|
|
code = post_data["code"]
|
|
# Retrieve the token by code
|
|
# TODO: Check code expiry based on created date
|
|
try:
|
|
token = Token.objects.get(code=code, application=application)
|
|
except Token.DoesNotExist:
|
|
return JsonResponse({"error": "invalid_code"}, status=400)
|
|
# Update the token to remove its code
|
|
token.code = None
|
|
token.save()
|
|
# Return them the token
|
|
return JsonResponse(
|
|
{
|
|
"access_token": token.token,
|
|
"token_type": "Bearer",
|
|
"scope": " ".join(token.scopes),
|
|
"created_at": int(token.created.timestamp()),
|
|
}
|
|
)
|
|
|
|
|
|
class RevokeTokenView(View):
|
|
pass
|