86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package middleware
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/gin-contrib/cors"
|
|
"github.com/gin-gonic/gin"
|
|
)
|
|
|
|
// CORS returns a new gin middleware which allows CORS requests to be processed.
|
|
// This is necessary in order for web/browser-based clients like Pinafore to work.
|
|
func CORS() gin.HandlerFunc {
|
|
cfg := cors.Config{
|
|
// todo: use config to customize this
|
|
AllowAllOrigins: true,
|
|
|
|
// adds the following:
|
|
// "chrome-extension://"
|
|
// "safari-extension://"
|
|
// "moz-extension://"
|
|
// "ms-browser-extension://"
|
|
AllowBrowserExtensions: true,
|
|
AllowMethods: []string{
|
|
"POST",
|
|
"PUT",
|
|
"DELETE",
|
|
"GET",
|
|
"PATCH",
|
|
"OPTIONS",
|
|
},
|
|
AllowHeaders: []string{
|
|
// basic cors stuff
|
|
"Origin",
|
|
"Content-Length",
|
|
"Content-Type",
|
|
|
|
// needed to pass oauth bearer tokens
|
|
"Authorization",
|
|
|
|
// needed for websocket upgrade requests
|
|
"Upgrade",
|
|
"Sec-WebSocket-Extensions",
|
|
"Sec-WebSocket-Key",
|
|
"Sec-WebSocket-Protocol",
|
|
"Sec-WebSocket-Version",
|
|
"Connection",
|
|
},
|
|
AllowWebSockets: true,
|
|
ExposeHeaders: []string{
|
|
// needed for accessing next/prev links when making GET timeline requests
|
|
"Link",
|
|
|
|
// needed so clients can handle rate limits
|
|
"X-RateLimit-Reset",
|
|
"X-RateLimit-Limit",
|
|
"X-RateLimit-Remaining",
|
|
"X-Request-Id",
|
|
|
|
// websocket stuff
|
|
"Connection",
|
|
"Sec-WebSocket-Accept",
|
|
"Upgrade",
|
|
},
|
|
MaxAge: 2 * time.Minute,
|
|
}
|
|
|
|
return cors.New(cfg)
|
|
}
|