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			89 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			89 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|  | /* | ||
|  |    GoToSocial | ||
|  |    Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org | ||
|  | 
 | ||
|  |    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 router | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"time" | ||
|  | 
 | ||
|  | 	"github.com/gin-contrib/cors" | ||
|  | 	"github.com/gin-gonic/gin" | ||
|  | 	"github.com/superseriousbusiness/gotosocial/internal/config" | ||
|  | ) | ||
|  | 
 | ||
|  | var corsConfig = cors.Config{ | ||
|  | 	// TODO: make this customizable so instance admins can specify an origin for CORS requests | ||
|  | 	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, | ||
|  | } | ||
|  | 
 | ||
|  | // useCors attaches the corsConfig above to the given gin engine | ||
|  | func useCors(cfg *config.Config, engine *gin.Engine) error { | ||
|  | 	c := cors.New(corsConfig) | ||
|  | 	engine.Use(c) | ||
|  | 	return nil | ||
|  | } |