1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
# Copyright 2015 Vladimir Rutsky <vladimir@rutsky.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""CORS support for aiohttp.
"""
from typing import Mapping, Union, Any
from aiohttp import web
from .__about__ import (
__title__, __version__, __author__, __email__, __summary__, __uri__,
__license__, __copyright__,
)
from .resource_options import ResourceOptions
from .cors_config import CorsConfig
__all__ = (
"__title__", "__version__", "__author__", "__email__", "__summary__",
"__uri__", "__license__", "__copyright__",
"setup", "CorsConfig", "ResourceOptions",
)
APP_CONFIG_KEY = "aiohttp_cors"
def setup(app: web.Application, *,
defaults: Mapping[str, Union[ResourceOptions,
Mapping[str, Any]]]=None) -> CorsConfig:
"""Setup CORS processing for the application.
To enable CORS for a resource you need to explicitly add route for
that resource using `CorsConfig.add()` method::
app = aiohttp.web.Application()
cors = aiohttp_cors.setup(app)
cors.add(
app.router.add_route("GET", "/resource", handler),
{
"*": aiohttp_cors.ResourceOptions(
allow_credentials=True,
expose_headers="*",
allow_headers="*"),
})
:param app:
The application for which CORS will be configured.
:param defaults:
Default settings for origins.
)
"""
cors = CorsConfig(app, defaults=defaults)
app[APP_CONFIG_KEY] = cors
return cors
|
