Remove gitter bridge (#2035)

See https://blog.gitter.im/2023/02/13/gitter-has-fully-migrated-to-matrix/

1 files changed, 0 insertions, 217 deletions

diff --git a/vendor/github.com/42wim/go-gitter/stream.go b/vendor/github.com/42wim/go-gitter/stream.go
deleted file mode 100644
index 1c26ebeb..00000000
--- a/vendor/github.com/42wim/go-gitter/stream.go
+++ /dev/null
@@ -1,217 +0,0 @@
-package gitter
-
-import (
-	"bufio"
-	"encoding/json"
-	"fmt"
-	"net/http"
-	"time"
-
-	"github.com/mreiferson/go-httpclient"
-)
-
-var defaultConnectionWaitTime time.Duration = 3000 // millis
-var defaultConnectionMaxRetries = 5
-
-// Stream initialize stream
-func (gitter *Gitter) Stream(roomID string) *Stream {
-	return &Stream{
-		url:    streamBaseURL + "rooms/" + roomID + "/chatMessages",
-		Event:  make(chan Event),
-		gitter: gitter,
-		streamConnection: gitter.newStreamConnection(
-			defaultConnectionWaitTime,
-			defaultConnectionMaxRetries),
-	}
-}
-
-// Implemented to conform with https://developer.gitter.im/docs/streaming-api
-func (gitter *Gitter) Listen(stream *Stream) {
-
-	defer stream.destroy()
-
-	var reader *bufio.Reader
-	var gitterMessage Message
-	lastKeepalive := time.Now().Unix()
-
-	// connect
-	stream.connect()
-
-Loop:
-	for {
-
-		// if closed then stop trying
-		if stream.isClosed() {
-			stream.Event <- Event{
-				Data: &GitterConnectionClosed{},
-			}
-			break Loop
-		}
-		
-		resp := stream.getResponse()
-		if resp.StatusCode != 200 {
-			gitter.log(fmt.Sprintf("Unexpected response code %v", resp.StatusCode))
-			continue
-		}
-		
-		//"The JSON stream returns messages as JSON objects that are delimited by carriage return (\r)" <- Not true crap it's (\n) only
-		reader = bufio.NewReader(resp.Body)
-		line, err := reader.ReadBytes('\n')
-		if err != nil {
-			gitter.log("ReadBytes error: " + err.Error())
-			stream.connect()
-			continue
-		}
-
-		//Check if the line only consists of whitespace
-		onlyWhitespace := true
-		for _, b := range line {
-			if b != ' ' && b != '\t' && b != '\r' && b != '\n' {
-				onlyWhitespace = false
-			}
-		}
-
-		if onlyWhitespace {
-			//"Parsers must be tolerant of occasional extra newline characters placed between messages."
-			currentKeepalive := time.Now().Unix() //interesting behavior of 100+ keepalives per seconds was observed
-			if currentKeepalive-lastKeepalive > 10 {
-				lastKeepalive = currentKeepalive
-				gitter.log("Keepalive was received")
-			}
-			continue
-		} else if stream.isClosed() {
-			gitter.log("Stream closed")
-			continue
-		}
-
-		// unmarshal the streamed data
-		err = json.Unmarshal(line, &gitterMessage)
-		if err != nil {
-			gitter.log("JSON Unmarshal error: " + err.Error())
-			continue
-		}
-
-		// we are here, then we got the good message. pipe it forward.
-		stream.Event <- Event{
-			Data: &MessageReceived{
-				Message: gitterMessage,
-			},
-		}
-	}
-
-	gitter.log("Listening was completed")
-}
-
-// Stream holds stream data.
-type Stream struct {
-	url              string
-	Event            chan Event
-	streamConnection *streamConnection
-	gitter           *Gitter
-}
-
-func (stream *Stream) destroy() {
-	close(stream.Event)
-	stream.streamConnection.currentRetries = 0
-}
-
-type Event struct {
-	Data interface{}
-}
-
-type GitterConnectionClosed struct {
-}
-
-type MessageReceived struct {
-	Message Message
-}
-
-// connect and try to reconnect with
-func (stream *Stream) connect() {
-
-	if stream.streamConnection.retries == stream.streamConnection.currentRetries {
-		stream.Close()
-		stream.gitter.log("Number of retries exceeded the max retries number, we are done here")
-		return
-	}
-
-	res, err := stream.gitter.getResponse(stream.url, stream)
-	if err != nil || res.StatusCode != 200 {
-		stream.gitter.log("Failed to get response, trying reconnect")
-		if res != nil {
-			stream.gitter.log(fmt.Sprintf("Status code: %v", res.StatusCode))
-		}
-		stream.gitter.log(err)
-
-		// sleep and wait
-		stream.streamConnection.currentRetries++
-		time.Sleep(time.Millisecond * stream.streamConnection.wait * time.Duration(stream.streamConnection.currentRetries))
-
-		// connect again
-		stream.Close()
-		stream.connect()
-	} else {
-		stream.gitter.log("Response was received")
-		stream.streamConnection.currentRetries = 0
-		stream.streamConnection.closed = false
-		stream.streamConnection.response = res
-	}
-}
-
-type streamConnection struct {
-
-	// connection was closed
-	closed bool
-
-	// wait time till next try
-	wait time.Duration
-
-	// max tries to recover
-	retries int
-
-	// current streamed response
-	response *http.Response
-
-	// current request
-	request *http.Request
-
-	// current status
-	currentRetries int
-}
-
-// Close the stream connection and stop receiving streamed data
-func (stream *Stream) Close() {
-	conn := stream.streamConnection
-	conn.closed = true
-	if conn.response != nil {
-		stream.gitter.log("Stream connection close response")
-		defer conn.response.Body.Close()
-	}
-	if conn.request != nil {
-		stream.gitter.log("Stream connection close request")
-		switch transport := stream.gitter.config.client.Transport.(type) {
-		case *httpclient.Transport:
-			transport.CancelRequest(conn.request)
-		default:
-		}
-	}
-}
-
-func (stream *Stream) isClosed() bool {
-	return stream.streamConnection.closed
-}
-
-func (stream *Stream) getResponse() *http.Response {
-	return stream.streamConnection.response
-}
-
-// Optional, set stream connection properties
-// wait - time in milliseconds of waiting between reconnections. Will grow exponentially.
-// retries - number of reconnections retries before dropping the stream.
-func (gitter *Gitter) newStreamConnection(wait time.Duration, retries int) *streamConnection {
-	return &streamConnection{
-		closed:  true,
-		wait:    wait,
-		retries: retries,
-	}
-}