59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
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from django.contrib.auth import get_user_model
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from django.views import View
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from django.utils.decorators import method_decorator
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from django.views.decorators.csrf import csrf_exempt
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from urllib.parse import urljoin
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from .. import tokens
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from lemoncurry import utils
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@method_decorator(csrf_exempt, name='dispatch')
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class TokenView(View):
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def get(self, req):
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token = req.META.get('HTTP_AUTHORIZATION', '').split(' ')
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if not token:
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return utils.bad_req('missing Authorization header')
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if token[0] != 'Bearer':
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return utils.bad_req('only Bearer auth is supported')
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try:
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token = tokens.decode(token[1])
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except Exception:
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return utils.forbid('invalid token')
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user = get_user_model().objects.get(pk=token['uid'])
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me = urljoin(utils.origin(req), user.url)
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res = {
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'me': me,
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'client_id': token['cid'],
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'scope': token['sco'],
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}
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return utils.choose_type(req, res)
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def post(self, req):
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post = req.POST
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try:
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code = tokens.decode(post.get('code'))
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except Exception:
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return utils.forbid('invalid auth code')
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if code['typ'] != 'code':
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return utils.bad_req(
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'this endpoint only supports response_type=code'
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)
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if code['cid'] != post.get('client_id'):
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return utils.forbid('client id did not match')
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if code['uri'] != post.get('redirect_uri'):
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return utils.forbid('redirect uri did not match')
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user = get_user_model().objects.get(pk=code['uid'])
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me = urljoin(utils.origin(req), user.url)
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if me != post.get('me'):
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return utils.forbid('me did not match')
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return utils.choose_type(req, {
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'access_token': tokens.gen_token(code),
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'me': me,
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'scope': code['sco'],
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})
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