Use matterbridge vendored slack

1 files changed, 105 insertions, 0 deletions

diff --git a/vendor/github.com/matterbridge/slack/rtm.go b/vendor/github.com/matterbridge/slack/rtm.go
new file mode 100644
index 00000000..fd5d2002
--- /dev/null
+++ b/vendor/github.com/matterbridge/slack/rtm.go
@@ -0,0 +1,105 @@
+package slack
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"time"
+)
+
+// StartRTM calls the "rtm.start" endpoint and returns the provided URL and the full Info block.
+//
+// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
+func (api *Client) StartRTM() (info *Info, websocketURL string, err error) {
+	return api.StartRTMContext(context.Background())
+}
+
+// StartRTMContext calls the "rtm.start" endpoint and returns the provided URL and the full Info block with a custom context.
+//
+// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
+func (api *Client) StartRTMContext(ctx context.Context) (info *Info, websocketURL string, err error) {
+	response := &infoResponseFull{}
+	err = post(ctx, "rtm.start", url.Values{"token": {api.config.token}}, response, api.debug)
+	if err != nil {
+		return nil, "", fmt.Errorf("post: %s", err)
+	}
+	if !response.Ok {
+		return nil, "", response.Error
+	}
+
+	// websocket.Dial does not accept url without the port (yet)
+	// Fixed by: https://github.com/golang/net/commit/5058c78c3627b31e484a81463acd51c7cecc06f3
+	// but slack returns the address with no port, so we have to fix it
+	api.Debugln("Using URL:", response.Info.URL)
+	websocketURL, err = websocketizeURLPort(response.Info.URL)
+	if err != nil {
+		return nil, "", fmt.Errorf("parsing response URL: %s", err)
+	}
+
+	return &response.Info, websocketURL, nil
+}
+
+// ConnectRTM calls the "rtm.connect" endpoint and returns the provided URL and the compact Info block.
+//
+// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
+func (api *Client) ConnectRTM() (info *Info, websocketURL string, err error) {
+	return api.ConnectRTMContext(context.Background())
+}
+
+// ConnectRTM calls the "rtm.connect" endpoint and returns the provided URL and the compact Info block with a custom context.
+//
+// To have a fully managed Websocket connection, use `NewRTM`, and call `ManageConnection()` on it.
+func (api *Client) ConnectRTMContext(ctx context.Context) (info *Info, websocketURL string, err error) {
+	response := &infoResponseFull{}
+	err = post(ctx, "rtm.connect", url.Values{"token": {api.config.token}}, response, api.debug)
+	if err != nil {
+		return nil, "", fmt.Errorf("post: %s", err)
+	}
+	if !response.Ok {
+		return nil, "", response.Error
+	}
+
+	// websocket.Dial does not accept url without the port (yet)
+	// Fixed by: https://github.com/golang/net/commit/5058c78c3627b31e484a81463acd51c7cecc06f3
+	// but slack returns the address with no port, so we have to fix it
+	api.Debugln("Using URL:", response.Info.URL)
+	websocketURL, err = websocketizeURLPort(response.Info.URL)
+	if err != nil {
+		return nil, "", fmt.Errorf("parsing response URL: %s", err)
+	}
+
+	return &response.Info, websocketURL, nil
+}
+
+// NewRTM returns a RTM, which provides a fully managed connection to
+// Slack's websocket-based Real-Time Messaging protocol.
+func (api *Client) NewRTM() *RTM {
+	return api.NewRTMWithOptions(nil)
+}
+
+// NewRTMWithOptions returns a RTM, which provides a fully managed connection to
+// Slack's websocket-based Real-Time Messaging protocol.
+// This also allows to configure various options available for RTM API.
+func (api *Client) NewRTMWithOptions(options *RTMOptions) *RTM {
+	result := &RTM{
+		Client:           *api,
+		IncomingEvents:   make(chan RTMEvent, 50),
+		outgoingMessages: make(chan OutgoingMessage, 20),
+		pings:            make(map[int]time.Time),
+		isConnected:      false,
+		wasIntentional:   true,
+		killChannel:      make(chan bool),
+		forcePing:        make(chan bool),
+		rawEvents:        make(chan json.RawMessage),
+		idGen:            NewSafeID(1),
+	}
+
+	if options != nil {
+		result.useRTMStart = options.UseRTMStart
+	} else {
+		result.useRTMStart = true
+	}
+
+	return result
+}