Remove websocket api

go.sum

@@ -1,6 +1,4 @@
 github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
-github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
-github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 h1:nrZ3ySNYwJbSpD6ce9duiP+QkD3JuLCcWkdaehUS/3Y=
 github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80/go.mod h1:iFyPdL66DjUD96XmzVL3ZntbzcflLnznH0fr99w5VqE=

mastodon/go.mod

@@ -2,8 +2,4 @@ module mastodon
 
 go 1.13
 
-require (
+require github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80
-	github.com/gorilla/mux v1.7.3 // indirect
-	github.com/gorilla/websocket v1.4.1
-	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80
-)

mastodon/go.sum

@@ -1,6 +1,2 @@
-github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
-github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
-github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
-github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 h1:nrZ3ySNYwJbSpD6ce9duiP+QkD3JuLCcWkdaehUS/3Y=
 github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80/go.mod h1:iFyPdL66DjUD96XmzVL3ZntbzcflLnznH0fr99w5VqE=

mastodon/streaming_ws.go

@@ -1,195 +0,0 @@
-package mastodon
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"net/url"
-	"path"
-	"strings"
-
-	"github.com/gorilla/websocket"
-)
-
-// WSClient is a WebSocket client.
-type WSClient struct {
-	websocket.Dialer
-	client *Client
-}
-
-// NewWSClient return WebSocket client.
-func (c *Client) NewWSClient() *WSClient { return &WSClient{client: c} }
-
-// Stream is a struct of data that flows in streaming.
-type Stream struct {
-	Event   string      `json:"event"`
-	Payload interface{} `json:"payload"`
-}
-
-// StreamingWSUser return channel to read events on home using WebSocket.
-func (c *WSClient) StreamingWSUser(ctx context.Context) (chan Event, error) {
-	return c.streamingWS(ctx, "user", "")
-}
-
-// StreamingWSPublic return channel to read events on public using WebSocket.
-func (c *WSClient) StreamingWSPublic(ctx context.Context, isLocal bool) (chan Event, error) {
-	s := "public"
-	if isLocal {
-		s += ":local"
-	}
-
-	return c.streamingWS(ctx, s, "")
-}
-
-// StreamingWSHashtag return channel to read events on tagged timeline using WebSocket.
-func (c *WSClient) StreamingWSHashtag(ctx context.Context, tag string, isLocal bool) (chan Event, error) {
-	s := "hashtag"
-	if isLocal {
-		s += ":local"
-	}
-
-	return c.streamingWS(ctx, s, tag)
-}
-
-// StreamingWSList return channel to read events on a list using WebSocket.
-func (c *WSClient) StreamingWSList(ctx context.Context, id string) (chan Event, error) {
-	return c.streamingWS(ctx, "list", string(id))
-}
-
-func (c *WSClient) streamingWS(ctx context.Context, stream, tag string) (chan Event, error) {
-	params := url.Values{}
-	params.Set("access_token", c.client.config.AccessToken)
-	params.Set("stream", stream)
-	if tag != "" {
-		params.Set("tag", tag)
-	}
-
-	u, err := changeWebSocketScheme(c.client.config.Server)
-	if err != nil {
-		return nil, err
-	}
-	u.Path = path.Join(u.Path, "/api/v1/streaming")
-	u.RawQuery = params.Encode()
-
-	q := make(chan Event)
-	go func() {
-		defer close(q)
-		for {
-			err := c.handleWS(ctx, u.String(), q)
-			if err != nil {
-				return
-			}
-		}
-	}()
-
-	return q, nil
-}
-
-func (c *WSClient) handleWS(ctx context.Context, rawurl string, q chan Event) error {
-	conn, err := c.dialRedirect(rawurl)
-	if err != nil {
-		q <- &ErrorEvent{err: err}
-
-		// End.
-		return err
-	}
-
-	// Close the WebSocket when the context is canceled.
-	go func() {
-		<-ctx.Done()
-		conn.Close()
-	}()
-
-	for {
-		select {
-		case <-ctx.Done():
-			q <- &ErrorEvent{err: ctx.Err()}
-
-			// End.
-			return ctx.Err()
-		default:
-		}
-
-		var s Stream
-		err := conn.ReadJSON(&s)
-		if err != nil {
-			q <- &ErrorEvent{err: err}
-
-			// Reconnect.
-			break
-		}
-
-		err = nil
-		switch s.Event {
-		case "update":
-			var status Status
-			err = json.Unmarshal([]byte(s.Payload.(string)), &status)
-			if err == nil {
-				q <- &UpdateEvent{Status: &status}
-			}
-		case "notification":
-			var notification Notification
-			err = json.Unmarshal([]byte(s.Payload.(string)), &notification)
-			if err == nil {
-				q <- &NotificationEvent{Notification: &notification}
-			}
-		case "delete":
-			if f, ok := s.Payload.(float64); ok {
-				q <- &DeleteEvent{ID: fmt.Sprint(int64(f))}
-			} else {
-				q <- &DeleteEvent{ID: strings.TrimSpace(s.Payload.(string))}
-			}
-		}
-		if err != nil {
-			q <- &ErrorEvent{err}
-		}
-	}
-
-	return nil
-}
-
-func (c *WSClient) dialRedirect(rawurl string) (conn *websocket.Conn, err error) {
-	for {
-		conn, rawurl, err = c.dial(rawurl)
-		if err != nil {
-			return nil, err
-		} else if conn != nil {
-			return conn, nil
-		}
-	}
-}
-
-func (c *WSClient) dial(rawurl string) (*websocket.Conn, string, error) {
-	conn, resp, err := c.Dial(rawurl, nil)
-	if err != nil && err != websocket.ErrBadHandshake {
-		return nil, "", err
-	}
-	defer resp.Body.Close()
-
-	if loc := resp.Header.Get("Location"); loc != "" {
-		u, err := changeWebSocketScheme(loc)
-		if err != nil {
-			return nil, "", err
-		}
-
-		return nil, u.String(), nil
-	}
-
-	return conn, "", err
-}
-
-func changeWebSocketScheme(rawurl string) (*url.URL, error) {
-	u, err := url.Parse(rawurl)
-	if err != nil {
-		return nil, err
-	}
-
-	switch u.Scheme {
-	case "http":
-		u.Scheme = "ws"
-	case "https":
-		u.Scheme = "wss"
-	}
-
-	return u, nil
-}