89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
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/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package router
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import (
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"time"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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)
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var corsConfig = cors.Config{
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// TODO: make this customizable so instance admins can specify an origin for CORS requests
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AllowAllOrigins: true,
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// adds the following:
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// "chrome-extension://"
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// "safari-extension://"
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// "moz-extension://"
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// "ms-browser-extension://"
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AllowBrowserExtensions: true,
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AllowMethods: []string{
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"POST",
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"PUT",
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"DELETE",
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"GET",
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"PATCH",
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"OPTIONS",
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},
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AllowHeaders: []string{
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// basic cors stuff
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"Origin",
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"Content-Length",
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"Content-Type",
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// needed to pass oauth bearer tokens
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"Authorization",
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// needed for websocket upgrade requests
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"Upgrade",
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"Sec-WebSocket-Extensions",
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"Sec-WebSocket-Key",
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"Sec-WebSocket-Protocol",
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"Sec-WebSocket-Version",
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"Connection",
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},
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AllowWebSockets: true,
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ExposeHeaders: []string{
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// needed for accessing next/prev links when making GET timeline requests
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"Link",
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// needed so clients can handle rate limits
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"X-RateLimit-Reset",
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"X-RateLimit-Limit",
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"X-RateLimit-Remaining",
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"X-Request-Id",
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// websocket stuff
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"Connection",
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"Sec-WebSocket-Accept",
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"Upgrade",
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},
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MaxAge: 2 * time.Minute,
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}
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// useCors attaches the corsConfig above to the given gin engine
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func useCors(cfg *config.Config, engine *gin.Engine) error {
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c := cors.New(corsConfig)
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engine.Use(c)
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return nil
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}
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