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120f5a6f8a
* Second attept at patching api/websocket.go for CORS support. * Missing include * Fixed whitespace formatting so that gofmt passes. * Added tests for CORS filtering
60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package api
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import (
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"net/http"
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"strings"
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l4g "github.com/alecthomas/log4go"
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"github.com/gorilla/websocket"
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"github.com/mattermost/platform/app"
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"github.com/mattermost/platform/model"
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"github.com/mattermost/platform/utils"
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)
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func InitWebSocket() {
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l4g.Debug(utils.T("api.web_socket.init.debug"))
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BaseRoutes.Users.Handle("/websocket", ApiAppHandlerTrustRequester(connect)).Methods("GET")
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app.HubStart()
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}
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type OriginCheckerProc func(*http.Request) bool
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func OriginChecker(r *http.Request) bool {
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origin := r.Header.Get("Origin")
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return *utils.Cfg.ServiceSettings.AllowCorsFrom == "*" || strings.Contains(origin, *utils.Cfg.ServiceSettings.AllowCorsFrom)
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}
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func connect(c *Context, w http.ResponseWriter, r *http.Request) {
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var originChecker OriginCheckerProc = nil
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if len(*utils.Cfg.ServiceSettings.AllowCorsFrom) > 0 {
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originChecker = OriginChecker
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}
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upgrader := websocket.Upgrader{
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ReadBufferSize: model.SOCKET_MAX_MESSAGE_SIZE_KB,
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WriteBufferSize: model.SOCKET_MAX_MESSAGE_SIZE_KB,
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CheckOrigin: originChecker,
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}
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ws, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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l4g.Error(utils.T("api.web_socket.connect.error"), err)
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c.Err = model.NewLocAppError("connect", "api.web_socket.connect.upgrade.app_error", nil, "")
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return
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}
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wc := app.NewWebConn(ws, c.Session, c.T, c.Locale)
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if len(c.Session.UserId) > 0 {
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app.HubRegister(wc)
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}
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go wc.WritePump()
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wc.ReadPump()
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}
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