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https://github.com/sorenisanerd/gotty.git
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Add new option to allow cross origin requests to WS endpoint
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parent
84ec13ca19
commit
6765efbd61
@ -31,7 +31,6 @@ func (server *Server) generateHandleWS(ctx context.Context, cancel context.Cance
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if server.options.Once {
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success := atomic.CompareAndSwapInt64(once, 0, 1)
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if !success {
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http.Error(w, "Server is shutting down", http.StatusServiceUnavailable)
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return
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}
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@ -68,7 +67,7 @@ func (server *Server) generateHandleWS(ctx context.Context, cancel context.Cance
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conn, err := server.upgrader.Upgrade(w, r, nil)
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if err != nil {
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http.Error(w, "Failed to upgrade connection: "+err.Error(), 500)
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closeReason = fmt.Sprintf("origin check error: %s", r.Header.Get("Origin"))
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return
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}
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defer conn.Close()
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@ -28,6 +28,7 @@ type Options struct {
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Preferences *HtermPrefernces `hcl:"preferences"`
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Width int `hcl:"width" flagName:"width" flagDescribe:"Static width of the screen, 0(default) means dynamically resize" default:"0"`
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Height int `hcl:"height" flagName:"height" flagDescribe:"Static height of the screen, 0(default) means dynamically resize" default:"0"`
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WSOrigin string `hcl:"ws_origin" flagName:"ws-origin" flagDescribe:"A regular expression that matches origin URLs to be accepted by WebSocket. No cross origin requests are acceptable by default" default:""`
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TitleVariables map[string]interface{}
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}
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@ -10,6 +10,7 @@ import (
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"net"
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"net/http"
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"net/url"
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"regexp"
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noesctmpl "text/template"
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"time"
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@ -56,6 +57,17 @@ func New(factory Factory, options *Options) (*Server, error) {
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return nil, errors.Wrapf(err, "failed to parse window title format `%s`", options.TitleFormat)
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}
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var originChekcer func(r *http.Request) bool
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if options.WSOrigin != "" {
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matcher, err := regexp.Compile(options.WSOrigin)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to compile regular expression of Websocket Origin: %s", options.WSOrigin)
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}
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originChekcer = func(r *http.Request) bool {
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return matcher.MatchString(r.Header.Get("Origin"))
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}
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}
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return &Server{
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factory: factory,
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options: options,
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@ -64,6 +76,7 @@ func New(factory Factory, options *Options) (*Server, error) {
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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Subprotocols: webtty.Protocols,
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CheckOrigin: originChekcer,
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},
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indexTemplate: indexTemplate,
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titleTemplate: titleTemplate,
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