Use upstream whatsapp again (#809)

55 files changed, 1326 insertions, 2495 deletions

diff --git a/vendor/github.com/matterbridge/go-whatsapp/.gitignore b/vendor/github.com/Rhymen/go-whatsapp/.gitignore
index 5c2e8752..b553f0fd 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/.gitignore
+++ b/vendor/github.com/Rhymen/go-whatsapp/.gitignore
@@ -1,2 +1,3 @@
 .idea/
 docs/
+build/
diff --git a/vendor/github.com/matterbridge/go-whatsapp/LICENSE b/vendor/github.com/Rhymen/go-whatsapp/LICENSE
index b442934b..b442934b 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/LICENSE
+++ b/vendor/github.com/Rhymen/go-whatsapp/LICENSE
diff --git a/vendor/github.com/matterbridge/go-whatsapp/README.md b/vendor/github.com/Rhymen/go-whatsapp/README.md
index 9a5216e7..54024de8 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/README.md
+++ b/vendor/github.com/Rhymen/go-whatsapp/README.md
@@ -3,7 +3,7 @@ Package rhymen/go-whatsapp implements the WhatsApp Web API to provide a clean in
 
 ## Installation
 ```sh
-go get github.com/rhymen/go-whatsapp
+go get github.com/Rhymen/go-whatsapp
 ```
 
 ## Usage
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/decoder.go b/vendor/github.com/Rhymen/go-whatsapp/binary/decoder.go
index 2ca828d0..95da606c 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/decoder.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/decoder.go
@@ -2,7 +2,7 @@ package binary
 
 import (
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary/token"
+	"github.com/Rhymen/go-whatsapp/binary/token"
 	"io"
 	"strconv"
 )
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/encoder.go b/vendor/github.com/Rhymen/go-whatsapp/binary/encoder.go
index a8ff1c75..59003e7a 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/encoder.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/encoder.go
@@ -2,7 +2,7 @@ package binary
 
 import (
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary/token"
+	"github.com/Rhymen/go-whatsapp/binary/token"
 	"math"
 	"strconv"
 	"strings"
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/node.go b/vendor/github.com/Rhymen/go-whatsapp/binary/node.go
index 0e55656e..2139e385 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/node.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/node.go
@@ -2,7 +2,7 @@ package binary
 
 import (
 	"fmt"
-	pb "github.com/matterbridge/go-whatsapp/binary/proto"
+	pb "github.com/Rhymen/go-whatsapp/binary/proto"
 	"github.com/golang/protobuf/proto"
 )
 
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/proto/def.pb.go b/vendor/github.com/Rhymen/go-whatsapp/binary/proto/def.pb.go
index 71d9923f..71d9923f 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/proto/def.pb.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/proto/def.pb.go
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/proto/def.proto b/vendor/github.com/Rhymen/go-whatsapp/binary/proto/def.proto
index a885973d..a885973d 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/proto/def.proto
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/proto/def.proto
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/token/token.go b/vendor/github.com/Rhymen/go-whatsapp/binary/token/token.go
index 070a6896..070a6896 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/token/token.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/binary/token/token.go
diff --git a/vendor/github.com/Rhymen/go-whatsapp/conn.go b/vendor/github.com/Rhymen/go-whatsapp/conn.go
new file mode 100644
index 00000000..ff83d42d
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/conn.go
@@ -0,0 +1,210 @@
+//Package whatsapp provides a developer API to interact with the WhatsAppWeb-Servers.
+package whatsapp
+
+import (
+	"math/rand"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/gorilla/websocket"
+	"github.com/pkg/errors"
+)
+
+type metric byte
+
+const (
+	debugLog metric = iota + 1
+	queryResume
+	queryReceipt
+	queryMedia
+	queryChat
+	queryContacts
+	queryMessages
+	presence
+	presenceSubscribe
+	group
+	read
+	chat
+	received
+	pic
+	status
+	message
+	queryActions
+	block
+	queryGroup
+	queryPreview
+	queryEmoji
+	queryMessageInfo
+	spam
+	querySearch
+	queryIdentity
+	queryUrl
+	profile
+	contact
+	queryVcard
+	queryStatus
+	queryStatusUpdate
+	privacyStatus
+	queryLiveLocations
+	liveLocation
+	queryVname
+	queryLabels
+	call
+	queryCall
+	queryQuickReplies
+)
+
+type flag byte
+
+const (
+	ignore flag = 1 << (7 - iota)
+	ackRequest
+	available
+	notAvailable
+	expires
+	skipOffline
+)
+
+/*
+Conn is created by NewConn. Interacting with the initialized Conn is the main way of interacting with our package.
+It holds all necessary information to make the package work internally.
+*/
+type Conn struct {
+	ws       *websocketWrapper
+	listener *listenerWrapper
+
+	connected bool
+	loggedIn  bool
+	wg        *sync.WaitGroup
+
+	session        *Session
+	sessionLock    uint32
+	handler        []Handler
+	msgCount       int
+	msgTimeout     time.Duration
+	Info           *Info
+	Store          *Store
+	ServerLastSeen time.Time
+
+	longClientName  string
+	shortClientName string
+}
+
+type websocketWrapper struct {
+	sync.Mutex
+	conn  *websocket.Conn
+	close chan struct{}
+}
+
+type listenerWrapper struct {
+	sync.RWMutex
+	m map[string]chan string
+}
+
+/*
+Creates a new connection with a given timeout. The websocket connection to the WhatsAppWeb servers get´s established.
+The goroutine for handling incoming messages is started
+*/
+func NewConn(timeout time.Duration) (*Conn, error) {
+	wac := &Conn{
+		handler:    make([]Handler, 0),
+		msgCount:   0,
+		msgTimeout: timeout,
+		Store:      newStore(),
+
+		longClientName:  "github.com/rhymen/go-whatsapp",
+		shortClientName: "go-whatsapp",
+	}
+	return wac, wac.connect()
+}
+
+// connect should be guarded with wsWriteMutex
+func (wac *Conn) connect() (err error) {
+	if wac.connected {
+		return ErrAlreadyConnected
+	}
+	wac.connected = true
+	defer func() { // set connected to false on error
+		if err != nil {
+			wac.connected = false
+		}
+	}()
+
+	dialer := &websocket.Dialer{
+		ReadBufferSize:   25 * 1024 * 1024,
+		WriteBufferSize:  10 * 1024 * 1024,
+		HandshakeTimeout: wac.msgTimeout,
+	}
+
+	headers := http.Header{"Origin": []string{"https://web.whatsapp.com"}}
+	wsConn, _, err := dialer.Dial("wss://web.whatsapp.com/ws", headers)
+	if err != nil {
+		return errors.Wrap(err, "couldn't dial whatsapp web websocket")
+	}
+
+	wsConn.SetCloseHandler(func(code int, text string) error {
+		// from default CloseHandler
+		message := websocket.FormatCloseMessage(code, "")
+		err := wsConn.WriteControl(websocket.CloseMessage, message, time.Now().Add(time.Second))
+
+		// our close handling
+		_, _ = wac.Disconnect()
+		wac.handle(&ErrConnectionClosed{Code: code, Text: text})
+		return err
+	})
+
+	wac.ws = &websocketWrapper{
+		conn:  wsConn,
+		close: make(chan struct{}),
+	}
+
+	wac.listener = &listenerWrapper{
+		m: make(map[string]chan string),
+	}
+
+	wac.wg = &sync.WaitGroup{}
+	wac.wg.Add(2)
+	go wac.readPump()
+	go wac.keepAlive(20000, 60000)
+
+	wac.loggedIn = false
+	return nil
+}
+
+func (wac *Conn) Disconnect() (Session, error) {
+	if !wac.connected {
+		return Session{}, ErrNotConnected
+	}
+	wac.connected = false
+	wac.loggedIn = false
+
+	close(wac.ws.close) //signal close
+	wac.wg.Wait()       //wait for close
+
+	err := wac.ws.conn.Close()
+	wac.ws = nil
+
+	if wac.session == nil {
+		return Session{}, err
+	}
+	return *wac.session, err
+}
+
+func (wac *Conn) keepAlive(minIntervalMs int, maxIntervalMs int) {
+	defer wac.wg.Done()
+
+	for {
+		err := wac.sendKeepAlive()
+		if err != nil {
+			wac.handle(errors.Wrap(err, "keepAlive failed"))
+			//TODO: Consequences?
+		}
+		interval := rand.Intn(maxIntervalMs-minIntervalMs) + minIntervalMs
+		select {
+		case <-time.After(time.Duration(interval) * time.Millisecond):
+		case <-wac.ws.close:
+			return
+		}
+	}
+}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/contact.go b/vendor/github.com/Rhymen/go-whatsapp/contact.go
index 5073608e..9faaf5cc 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/contact.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/contact.go
@@ -2,7 +2,7 @@ package whatsapp
 
 import (
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/binary"
 	"strconv"
 	"time"
 )
@@ -18,21 +18,21 @@ const (
 )
 
 //TODO: filename? WhatsApp uses Store.Contacts for these functions
-//TODO: functions probably shouldn't return a string, maybe build a struct / return json
-//TODO: check for further queries
+// functions probably shouldn't return a string, maybe build a struct / return json
+// check for further queries
 func (wac *Conn) GetProfilePicThumb(jid string) (<-chan string, error) {
 	data := []interface{}{"query", "ProfilePicThumb", jid}
-	return wac.write(data)
+	return wac.writeJson(data)
 }
 
 func (wac *Conn) GetStatus(jid string) (<-chan string, error) {
 	data := []interface{}{"query", "Status", jid}
-	return wac.write(data)
+	return wac.writeJson(data)
 }
 
 func (wac *Conn) SubscribePresence(jid string) (<-chan string, error) {
 	data := []interface{}{"action", "presence", "subscribe", jid}
-	return wac.write(data)
+	return wac.writeJson(data)
 }
 
 func (wac *Conn) Search(search string, count, page int) (*binary.Node, error) {
@@ -84,7 +84,7 @@ func (wac *Conn) Presence(jid string, presence Presence) (<-chan string, error)
 
 func (wac *Conn) Exist(jid string) (<-chan string, error) {
 	data := []interface{}{"query", "exist", jid}
-	return wac.write(data)
+	return wac.writeJson(data)
 }
 
 func (wac *Conn) Emoji() (*binary.Node, error) {
diff --git a/vendor/github.com/matterbridge/go-whatsapp/crypto/cbc/cbc.go b/vendor/github.com/Rhymen/go-whatsapp/crypto/cbc/cbc.go
index cc5427c3..cc5427c3 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/crypto/cbc/cbc.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/crypto/cbc/cbc.go
diff --git a/vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go b/vendor/github.com/Rhymen/go-whatsapp/crypto/curve25519/curve.go
index 5ddf9c9a..5ddf9c9a 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/crypto/curve25519/curve.go
diff --git a/vendor/github.com/matterbridge/go-whatsapp/crypto/hkdf/hkdf.go b/vendor/github.com/Rhymen/go-whatsapp/crypto/hkdf/hkdf.go
index e0be0587..e0be0587 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/crypto/hkdf/hkdf.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/crypto/hkdf/hkdf.go
diff --git a/vendor/github.com/Rhymen/go-whatsapp/errors.go b/vendor/github.com/Rhymen/go-whatsapp/errors.go
new file mode 100644
index 00000000..793f8cc9
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/errors.go
@@ -0,0 +1,35 @@
+package whatsapp
+
+import (
+	"fmt"
+	"github.com/pkg/errors"
+)
+
+var (
+	ErrAlreadyConnected  = errors.New("already connected")
+	ErrAlreadyLoggedIn   = errors.New("already logged in")
+	ErrInvalidSession    = errors.New("invalid session")
+	ErrLoginInProgress   = errors.New("login or restore already running")
+	ErrNotConnected      = errors.New("not connected")
+	ErrInvalidWsData     = errors.New("received invalid data")
+	ErrConnectionTimeout = errors.New("connection timed out")
+	ErrMissingMessageTag = errors.New("no messageTag specified or to short")
+	ErrInvalidHmac       = errors.New("invalid hmac")
+)
+
+type ErrConnectionFailed struct {
+	Err error
+}
+
+func (e *ErrConnectionFailed) Error() string {
+	return fmt.Sprintf("connection to WhatsApp servers failed: %v", e.Err)
+}
+
+type ErrConnectionClosed struct {
+	Code int
+	Text string
+}
+
+func (e *ErrConnectionClosed) Error() string {
+	return fmt.Sprintf("server closed connection,code: %d,text: %s", e.Code, e.Text)
+}
diff --git a/vendor/github.com/Rhymen/go-whatsapp/go.mod b/vendor/github.com/Rhymen/go-whatsapp/go.mod
new file mode 100644
index 00000000..bb071013
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/go.mod
@@ -0,0 +1,8 @@
+module github.com/Rhymen/go-whatsapp
+
+require (
+	github.com/golang/protobuf v1.3.0
+	github.com/gorilla/websocket v1.4.0
+	github.com/pkg/errors v0.8.1
+	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
+)
diff --git a/vendor/github.com/Rhymen/go-whatsapp/go.sum b/vendor/github.com/Rhymen/go-whatsapp/go.sum
new file mode 100644
index 00000000..45c18cd7
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/go.sum
@@ -0,0 +1,14 @@
+github.com/golang/protobuf v1.3.0 h1:kbxbvI4Un1LUWKxufD+BiE6AEExYYgkQLQmLFqA1LFk=
+github.com/golang/protobuf v1.3.0/go.mod h1:Qd/q+1AKNOZr9uGQzbzCmRO6sUih6GTPZv6a1/R87v0=
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
diff --git a/vendor/github.com/matterbridge/go-whatsapp/group.go b/vendor/github.com/Rhymen/go-whatsapp/group.go
index 432ba457..40e4515e 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/group.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/group.go
@@ -8,7 +8,7 @@ import (
 
 func (wac *Conn) GetGroupMetaData(jid string) (<-chan string, error) {
 	data := []interface{}{"query", "GroupMetadata", jid}
-	return wac.write(data)
+	return wac.writeJson(data)
 }
 
 func (wac *Conn) CreateGroup(subject string, participants []string) (<-chan string, error) {
@@ -41,7 +41,7 @@ func (wac *Conn) LeaveGroup(jid string) (<-chan string, error) {
 
 func (wac *Conn) GroupInviteLink(jid string) (string, error) {
 	request := []interface{}{"query", "inviteCode", jid}
-	ch, err := wac.write(request)
+	ch, err := wac.writeJson(request)
 	if err != nil {
 		return "", err
 	}
@@ -63,3 +63,28 @@ func (wac *Conn) GroupInviteLink(jid string) (string, error) {
 
 	return response["code"].(string), nil
 }
+
+func (wac *Conn) GroupAcceptInviteCode(code string) (jid string, err error) {
+	request := []interface{}{"action", "invite", code}
+	ch, err := wac.writeJson(request)
+	if err != nil {
+		return "", err
+	}
+
+	var response map[string]interface{}
+
+	select {
+	case r := <-ch:
+		if err := json.Unmarshal([]byte(r), &response); err != nil {
+			return "", fmt.Errorf("error decoding response message: %v\n", err)
+		}
+	case <-time.After(wac.msgTimeout):
+		return "", fmt.Errorf("request timed out")
+	}
+
+	if int(response["status"].(float64)) != 200 {
+		return "", fmt.Errorf("request responded with %d", response["status"])
+	}
+
+	return response["gid"].(string), nil
+}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/handler.go b/vendor/github.com/Rhymen/go-whatsapp/handler.go
index 330356f0..7abd55f3 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/handler.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/handler.go
@@ -2,9 +2,10 @@ package whatsapp
 
 import (
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary"
-	"github.com/matterbridge/go-whatsapp/binary/proto"
 	"os"
+
+	"github.com/Rhymen/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/binary/proto"
 )
 
 /*
@@ -88,6 +89,27 @@ func (wac *Conn) AddHandler(handler Handler) {
 	wac.handler = append(wac.handler, handler)
 }
 
+// RemoveHandler removes a handler from the list of handlers that receive dispatched messages.
+func (wac *Conn) RemoveHandler(handler Handler) bool {
+	i := -1
+	for k, v := range wac.handler {
+		if v == handler {
+			i = k
+			break
+		}
+	}
+	if i > -1 {
+		wac.handler = append(wac.handler[:i], wac.handler[i+1:]...)
+		return true
+	}
+	return false
+}
+
+// RemoveHandlers empties the list of handlers that receive dispatched messages.
+func (wac *Conn) RemoveHandlers() {
+	wac.handler = make([]Handler, 0)
+}
+
 func (wac *Conn) handle(message interface{}) {
 	switch m := message.(type) {
 	case error:
diff --git a/vendor/github.com/matterbridge/go-whatsapp/media.go b/vendor/github.com/Rhymen/go-whatsapp/media.go
index 9fcc08e2..06d48864 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/media.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/media.go
@@ -8,8 +8,8 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/crypto/cbc"
-	"github.com/matterbridge/go-whatsapp/crypto/hkdf"
+	"github.com/Rhymen/go-whatsapp/crypto/cbc"
+	"github.com/Rhymen/go-whatsapp/crypto/hkdf"
 	"io"
 	"io/ioutil"
 	"mime/multipart"
@@ -133,7 +133,7 @@ func (wac *Conn) Upload(reader io.Reader, appInfo MediaType) (url string, mediaK
 	}
 
 	uploadReq := []interface{}{"action", "encr_upload", filetype, base64.StdEncoding.EncodeToString(fileEncSha256)}
-	ch, err := wac.write(uploadReq)
+	ch, err := wac.writeJson(uploadReq)
 	if err != nil {
 		return "", nil, nil, nil, 0, err
 	}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/message.go b/vendor/github.com/Rhymen/go-whatsapp/message.go
index 7e099b9d..21347361 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/message.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/message.go
@@ -4,8 +4,8 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary"
-	"github.com/matterbridge/go-whatsapp/binary/proto"
+	"github.com/Rhymen/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/binary/proto"
 	"io"
 	"math/rand"
 	"strconv"
diff --git a/vendor/github.com/Rhymen/go-whatsapp/read.go b/vendor/github.com/Rhymen/go-whatsapp/read.go
new file mode 100644
index 00000000..7281ccff
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/read.go
@@ -0,0 +1,111 @@
+package whatsapp
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"github.com/Rhymen/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/crypto/cbc"
+	"github.com/gorilla/websocket"
+	"github.com/pkg/errors"
+	"io"
+	"io/ioutil"
+	"strings"
+)
+
+func (wac *Conn) readPump() {
+	defer wac.wg.Done()
+
+	var readErr error
+	var msgType int
+	var reader io.Reader
+
+	for {
+		readerFound := make(chan struct{})
+		go func() {
+			msgType, reader, readErr = wac.ws.conn.NextReader()
+			close(readerFound)
+		}()
+		select {
+		case <-readerFound:
+			if readErr != nil {
+				wac.handle(&ErrConnectionFailed{Err: readErr})
+				_, _ = wac.Disconnect()
+				return
+			}
+			msg, err := ioutil.ReadAll(reader)
+			if err != nil {
+				wac.handle(errors.Wrap(err, "error reading message from Reader"))
+				continue
+			}
+			err = wac.processReadData(msgType, msg)
+			if err != nil {
+				wac.handle(errors.Wrap(err, "error processing data"))
+			}
+		case <-wac.ws.close:
+			return
+		}
+	}
+}
+
+func (wac *Conn) processReadData(msgType int, msg []byte) error {
+	data := strings.SplitN(string(msg), ",", 2)
+
+	if data[0][0] == '!' { //Keep-Alive Timestamp
+		data = append(data, data[0][1:]) //data[1]
+		data[0] = "!"
+	}
+
+	if len(data) != 2 || len(data[1]) == 0 {
+		return ErrInvalidWsData
+	}
+
+	wac.listener.RLock()
+	listener, hasListener := wac.listener.m[data[0]]
+	wac.listener.RUnlock()
+
+	if hasListener {
+		// listener only exists for TextMessages query messages out of contact.go
+		// If these binary query messages can be handled another way,
+		// then the TextMessages, which are all JSON encoded, can directly
+		// be unmarshalled. The listener chan could then be changed from type
+		// chan string to something like chan map[string]interface{}. The unmarshalling
+		// in several places, especially in session.go, would then be gone.
+		listener <- data[1]
+
+		wac.listener.Lock()
+		delete(wac.listener.m, data[0])
+		wac.listener.Unlock()
+	} else if msgType == websocket.BinaryMessage && wac.loggedIn {
+		message, err := wac.decryptBinaryMessage([]byte(data[1]))
+		if err != nil {
+			return errors.Wrap(err, "error decoding binary")
+		}
+		wac.dispatch(message)
+	} else { //RAW json status updates
+		wac.handle(string(data[1]))
+	}
+	return nil
+}
+
+func (wac *Conn) decryptBinaryMessage(msg []byte) (*binary.Node, error) {
+	//message validation
+	h2 := hmac.New(sha256.New, wac.session.MacKey)
+	h2.Write([]byte(msg[32:]))
+	if !hmac.Equal(h2.Sum(nil), msg[:32]) {
+		return nil, ErrInvalidHmac
+	}
+
+	// message decrypt
+	d, err := cbc.Decrypt(wac.session.EncKey, nil, msg[32:])
+	if err != nil {
+		return nil, errors.Wrap(err, "decrypting message with AES-CBC failed")
+	}
+
+	// message unmarshal
+	message, err := binary.Unmarshal(d)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not decode binary")
+	}
+
+	return message, nil
+}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/session.go b/vendor/github.com/Rhymen/go-whatsapp/session.go
index 2dd8d582..b769ef5a 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/session.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/session.go
@@ -7,11 +7,12 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"sync/atomic"
 	"time"
 
-	"github.com/matterbridge/go-whatsapp/crypto/cbc"
-	"github.com/matterbridge/go-whatsapp/crypto/curve25519"
-	"github.com/matterbridge/go-whatsapp/crypto/hkdf"
+	"github.com/Rhymen/go-whatsapp/crypto/cbc"
+	"github.com/Rhymen/go-whatsapp/crypto/curve25519"
+	"github.com/Rhymen/go-whatsapp/crypto/hkdf"
 )
 
 /*
@@ -121,7 +122,21 @@ github.com/Baozisoftware/qrcode-terminal-go Example login procedure:
 */
 func (wac *Conn) Login(qrChan chan<- string) (Session, error) {
 	session := Session{}
+	//Makes sure that only a single Login or Restore can happen at the same time
+	if !atomic.CompareAndSwapUint32(&wac.sessionLock, 0, 1) {
+		return session, ErrLoginInProgress
+	}
+	defer atomic.StoreUint32(&wac.sessionLock, 0)
+
+	if wac.loggedIn {
+		return session, ErrAlreadyLoggedIn
+	}
+
+	if err := wac.connect(); err != nil && err != ErrAlreadyConnected {
+		return session, err
+	}
 
+	//logged in?!?
 	if wac.session != nil && (wac.session.EncKey != nil || wac.session.MacKey != nil) {
 		return session, fmt.Errorf("already logged in")
 	}
@@ -135,7 +150,7 @@ func (wac *Conn) Login(qrChan chan<- string) (Session, error) {
 	session.ClientId = base64.StdEncoding.EncodeToString(clientId)
 	//oldVersion=8691
 	login := []interface{}{"admin", "init", []int{0, 3, 225}, []string{wac.longClientName, wac.shortClientName}, session.ClientId, true}
-	loginChan, err := wac.write(login)
+	loginChan, err := wac.writeJson(login)
 	if err != nil {
 		return session, fmt.Errorf("error writing login: %v\n", err)
 	}
@@ -160,14 +175,16 @@ func (wac *Conn) Login(qrChan chan<- string) (Session, error) {
 	}
 
 	//listener for Login response
-	messageTag := "s1"
-	wac.listener[messageTag] = make(chan string, 1)
+	s1 := make(chan string, 1)
+	wac.listener.Lock()
+	wac.listener.m["s1"] = s1
+	wac.listener.Unlock()
 
 	qrChan <- fmt.Sprintf("%v,%v,%v", ref, base64.StdEncoding.EncodeToString(pub[:]), session.ClientId)
 
 	var resp2 []interface{}
 	select {
-	case r1 := <-wac.listener[messageTag]:
+	case r1 := <-s1:
 		if err := json.Unmarshal([]byte(r1), &resp2); err != nil {
 			return session, fmt.Errorf("error decoding qr code resp: %v", err)
 		}
@@ -226,90 +243,136 @@ func (wac *Conn) Login(qrChan chan<- string) (Session, error) {
 	session.EncKey = keyDecrypted[:32]
 	session.MacKey = keyDecrypted[32:64]
 	wac.session = &session
+	wac.loggedIn = true
 
 	return session, nil
 }
 
+//TODO: GoDoc
 /*
+Basically the old RestoreSession functionality
+*/
+func (wac *Conn) RestoreWithSession(session Session) (_ Session, err error) {
+	if wac.loggedIn {
+		return Session{}, ErrAlreadyLoggedIn
+	}
+	old := wac.session
+	defer func() {
+		if err != nil {
+			wac.session = old
+		}
+	}()
+	wac.session = &session
+
+	if err = wac.Restore(); err != nil {
+		wac.session = nil
+		return Session{}, err
+	}
+	return *wac.session, nil
+}
+
+/*//TODO: GoDoc
 RestoreSession is the function that restores a given session. It will try to reestablish the connection to the
 WhatsAppWeb servers with the provided session. If it succeeds it will return a new session. This new session has to be
 saved because the Client and Server-Token will change after every login. Logging in with old tokens is possible, but not
 suggested. If so, a challenge has to be resolved which is just another possible point of failure.
 */
-func (wac *Conn) RestoreSession(session Session) (Session, error) {
-	if wac.session != nil && (wac.session.EncKey != nil || wac.session.MacKey != nil) {
-		return Session{}, fmt.Errorf("already logged in")
+func (wac *Conn) Restore() error {
+	//Makes sure that only a single Login or Restore can happen at the same time
+	if !atomic.CompareAndSwapUint32(&wac.sessionLock, 0, 1) {
+		return ErrLoginInProgress
 	}
+	defer atomic.StoreUint32(&wac.sessionLock, 0)
 
-	wac.session = &session
+	if wac.session == nil {
+		return ErrInvalidSession
+	}
+
+	if err := wac.connect(); err != nil && err != ErrAlreadyConnected {
+		return err
+	}
+
+	if wac.loggedIn {
+		return ErrAlreadyLoggedIn
+	}
 
 	//listener for Conn or challenge; s1 is not allowed to drop
-	wac.listener["s1"] = make(chan string, 1)
+	s1 := make(chan string, 1)
+	wac.listener.Lock()
+	wac.listener.m["s1"] = s1
+	wac.listener.Unlock()
 
 	//admin init
-	init := []interface{}{"admin", "init", []int{0, 3, 225}, []string{wac.longClientName, wac.shortClientName}, session.ClientId, true}
-	initChan, err := wac.write(init)
+	init := []interface{}{"admin", "init", []int{0, 3, 225}, []string{wac.longClientName, wac.shortClientName}, wac.session.ClientId, true}
+	initChan, err := wac.writeJson(init)
 	if err != nil {
-		wac.session = nil
-		return Session{}, fmt.Errorf("error writing admin init: %v\n", err)
+		return fmt.Errorf("error writing admin init: %v\n", err)
 	}
 
 	//admin login with takeover
-	login := []interface{}{"admin", "login", session.ClientToken, session.ServerToken, session.ClientId, "takeover"}
-	loginChan, err := wac.write(login)
+	login := []interface{}{"admin", "login", wac.session.ClientToken, wac.session.ServerToken, wac.session.ClientId, "takeover"}
+	loginChan, err := wac.writeJson(login)
 	if err != nil {
-		wac.session = nil
-		return Session{}, fmt.Errorf("error writing admin login: %v\n", err)
+		return fmt.Errorf("error writing admin login: %v\n", err)
 	}
 
 	select {
 	case r := <-initChan:
 		var resp map[string]interface{}
 		if err = json.Unmarshal([]byte(r), &resp); err != nil {
-			wac.session = nil
-			return Session{}, fmt.Errorf("error decoding login connResp: %v\n", err)
+			return fmt.Errorf("error decoding login connResp: %v\n", err)
 		}
 
 		if int(resp["status"].(float64)) != 200 {
-			wac.session = nil
-			return Session{}, fmt.Errorf("init responded with %d", resp["status"])
+			return fmt.Errorf("init responded with %d", resp["status"])
 		}
 	case <-time.After(wac.msgTimeout):
-		wac.session = nil
-		return Session{}, fmt.Errorf("restore session init timed out")
+		return fmt.Errorf("restore session init timed out")
 	}
 
 	//wait for s1
 	var connResp []interface{}
 	select {
-	case r1 := <-wac.listener["s1"]:
+	case r1 := <-s1:
 		if err := json.Unmarshal([]byte(r1), &connResp); err != nil {
-			wac.session = nil
-			return Session{}, fmt.Errorf("error decoding s1 message: %v\n", err)
+			return fmt.Errorf("error decoding s1 message: %v\n", err)
 		}
 	case <-time.After(wac.msgTimeout):
-		wac.session = nil
-		return Session{}, fmt.Errorf("restore session connection timed out")
+	
+		//check for an error message
+		select {
+		case r := <-loginChan:
+			var resp map[string]interface{}
+			if err = json.Unmarshal([]byte(r), &resp); err != nil {
+				return fmt.Errorf("error decoding login connResp: %v\n", err)
+			}
+			if int(resp["status"].(float64)) != 200 {
+				return fmt.Errorf("admin login responded with %d", int(resp["status"].(float64)))
+			}
+		default:
+			// not even an error message – assume timeout
+			return fmt.Errorf("restore session connection timed out")
+		}
 	}
 
 	//check if challenge is present
 	if len(connResp) == 2 && connResp[0] == "Cmd" && connResp[1].(map[string]interface{})["type"] == "challenge" {
-		wac.listener["s2"] = make(chan string, 1)
+		s2 := make(chan string, 1)
+		wac.listener.Lock()
+		wac.listener.m["s2"] = s2
+		wac.listener.Unlock()
 
 		if err := wac.resolveChallenge(connResp[1].(map[string]interface{})["challenge"].(string)); err != nil {
-			wac.session = nil
-			return Session{}, fmt.Errorf("error resolving challenge: %v\n", err)
+			return fmt.Errorf("error resolving challenge: %v\n", err)
 		}
 
 		select {
-		case r := <-wac.listener["s2"]:
+		case r := <-s2:
 			if err := json.Unmarshal([]byte(r), &connResp); err != nil {
-				wac.session = nil
-				return Session{}, fmt.Errorf("error decoding s2 message: %v\n", err)
+				return fmt.Errorf("error decoding s2 message: %v\n", err)
 			}
 		case <-time.After(wac.msgTimeout):
-			wac.session = nil
-			return Session{}, fmt.Errorf("restore session challenge timed out")
+			return fmt.Errorf("restore session challenge timed out")
 		}
 	}
 
@@ -318,17 +381,14 @@ func (wac *Conn) RestoreSession(session Session) (Session, error) {
 	case r := <-loginChan:
 		var resp map[string]interface{}
 		if err = json.Unmarshal([]byte(r), &resp); err != nil {
-			wac.session = nil
-			return Session{}, fmt.Errorf("error decoding login connResp: %v\n", err)
+			return fmt.Errorf("error decoding login connResp: %v\n", err)
 		}
 
 		if int(resp["status"].(float64)) != 200 {
-			wac.session = nil
-			return Session{}, fmt.Errorf("admin login responded with %d", resp["status"])
+			return fmt.Errorf("admin login responded with %d", resp["status"])
 		}
 	case <-time.After(wac.msgTimeout):
-		wac.session = nil
-		return Session{}, fmt.Errorf("restore session login timed out")
+		return fmt.Errorf("restore session login timed out")
 	}
 
 	info := connResp[1].(map[string]interface{})
@@ -336,11 +396,12 @@ func (wac *Conn) RestoreSession(session Session) (Session, error) {
 	wac.Info = newInfoFromReq(info)
 
 	//set new tokens
-	session.ClientToken = info["clientToken"].(string)
-	session.ServerToken = info["serverToken"].(string)
-	session.Wid = info["wid"].(string)
+	wac.session.ClientToken = info["clientToken"].(string)
+	wac.session.ServerToken = info["serverToken"].(string)
+	wac.session.Wid = info["wid"].(string)
+	wac.loggedIn = true
 
-	return *wac.session, nil
+	return nil
 }
 
 func (wac *Conn) resolveChallenge(challenge string) error {
@@ -353,7 +414,7 @@ func (wac *Conn) resolveChallenge(challenge string) error {
 	h2.Write([]byte(decoded))
 
 	ch := []interface{}{"admin", "challenge", base64.StdEncoding.EncodeToString(h2.Sum(nil)), wac.session.ServerToken, wac.session.ClientId}
-	challengeChan, err := wac.write(ch)
+	challengeChan, err := wac.writeJson(ch)
 	if err != nil {
 		return fmt.Errorf("error writing challenge: %v\n", err)
 	}
@@ -380,7 +441,7 @@ The session can not be resumed and will disappear on your phone in the WhatsAppW
 */
 func (wac *Conn) Logout() error {
 	login := []interface{}{"admin", "Conn", "disconnect"}
-	_, err := wac.write(login)
+	_, err := wac.writeJson(login)
 	if err != nil {
 		return fmt.Errorf("error writing logout: %v\n", err)
 	}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/store.go b/vendor/github.com/Rhymen/go-whatsapp/store.go
index 70b89efd..b1c46e4a 100644
--- a/vendor/github.com/matterbridge/go-whatsapp/store.go
+++ b/vendor/github.com/Rhymen/go-whatsapp/store.go
@@ -1,7 +1,7 @@
 package whatsapp
 
 import (
-	"github.com/matterbridge/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/binary"
 	"strings"
 )
 
diff --git a/vendor/github.com/Rhymen/go-whatsapp/write.go b/vendor/github.com/Rhymen/go-whatsapp/write.go
new file mode 100644
index 00000000..4ea63dca
--- /dev/null
+++ b/vendor/github.com/Rhymen/go-whatsapp/write.go
@@ -0,0 +1,125 @@
+package whatsapp
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/json"
+	"fmt"
+	"github.com/Rhymen/go-whatsapp/binary"
+	"github.com/Rhymen/go-whatsapp/crypto/cbc"
+	"github.com/gorilla/websocket"
+	"github.com/pkg/errors"
+	"strconv"
+	"time"
+)
+
+//writeJson enqueues a json message into the writeChan
+func (wac *Conn) writeJson(data []interface{}) (<-chan string, error) {
+	d, err := json.Marshal(data)
+	if err != nil {
+		return nil, err
+	}
+
+	ts := time.Now().Unix()
+	messageTag := fmt.Sprintf("%d.--%d", ts, wac.msgCount)
+	bytes := []byte(fmt.Sprintf("%s,%s", messageTag, d))
+
+	ch, err := wac.write(websocket.TextMessage, messageTag, bytes)
+	if err != nil {
+		return nil, err
+	}
+
+	wac.msgCount++
+	return ch, nil
+}
+
+func (wac *Conn) writeBinary(node binary.Node, metric metric, flag flag, messageTag string) (<-chan string, error) {
+	if len(messageTag) < 2 {
+		return nil, ErrMissingMessageTag
+	}
+
+	data, err := wac.encryptBinaryMessage(node)
+	if err != nil {
+		return nil, errors.Wrap(err, "encryptBinaryMessage(node) failed")
+	}
+
+	bytes := []byte(messageTag + ",")
+	bytes = append(bytes, byte(metric), byte(flag))
+	bytes = append(bytes, data...)
+
+	ch, err := wac.write(websocket.BinaryMessage, messageTag, bytes)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to write message")
+	}
+
+	wac.msgCount++
+	return ch, nil
+}
+
+func (wac *Conn) sendKeepAlive() error {
+	bytes := []byte("?,,")
+	respChan, err := wac.write(websocket.TextMessage, "!", bytes)
+	if err != nil {
+		return errors.Wrap(err, "error sending keepAlive")
+	}
+
+	select {
+	case resp := <-respChan:
+		msecs, err := strconv.ParseInt(resp, 10, 64)
+		if err != nil {
+			return errors.Wrap(err, "Error converting time string to uint")
+		}
+		wac.ServerLastSeen = time.Unix(msecs/1000, (msecs%1000)*int64(time.Millisecond))
+
+	case <-time.After(wac.msgTimeout):
+		return ErrConnectionTimeout
+	}
+
+	return nil
+}
+
+func (wac *Conn) write(messageType int, answerMessageTag string, data []byte) (<-chan string, error) {
+	var ch chan string
+	if answerMessageTag != "" {
+		ch = make(chan string, 1)
+
+		wac.listener.Lock()
+		wac.listener.m[answerMessageTag] = ch
+		wac.listener.Unlock()
+	}
+
+	wac.ws.Lock()
+	err := wac.ws.conn.WriteMessage(messageType, data)
+	wac.ws.Unlock()
+
+	if err != nil {
+		if answerMessageTag != "" {
+			wac.listener.Lock()
+			delete(wac.listener.m, answerMessageTag)
+			wac.listener.Unlock()
+		}
+		return nil, errors.Wrap(err, "error writing to websocket")
+	}
+	return ch, nil
+}
+
+func (wac *Conn) encryptBinaryMessage(node binary.Node) (data []byte, err error) {
+	b, err := binary.Marshal(node)
+	if err != nil {
+		return nil, errors.Wrap(err, "binary node marshal failed")
+	}
+
+	cipher, err := cbc.Encrypt(wac.session.EncKey, nil, b)
+	if err != nil {
+		return nil, errors.Wrap(err, "encrypt failed")
+	}
+
+	h := hmac.New(sha256.New, wac.session.MacKey)
+	h.Write(cipher)
+	hash := h.Sum(nil)
+
+	data = append(data, hash[:32]...)
+	data = append(data, cipher...)
+
+	return data, nil
+}
diff --git a/vendor/github.com/golang/protobuf/proto/decode.go b/vendor/github.com/golang/protobuf/proto/decode.go
index d9aa3c42..63b0f08b 100644
--- a/vendor/github.com/golang/protobuf/proto/decode.go
+++ b/vendor/github.com/golang/protobuf/proto/decode.go
@@ -186,7 +186,6 @@ func (p *Buffer) DecodeVarint() (x uint64, err error) {
 	if b&0x80 == 0 {
 		goto done
 	}
-	// x -= 0x80 << 63 // Always zero.
 
 	return 0, errOverflow
 
diff --git a/vendor/github.com/golang/protobuf/proto/deprecated.go b/vendor/github.com/golang/protobuf/proto/deprecated.go
new file mode 100644
index 00000000..35b882c0
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/proto/deprecated.go
@@ -0,0 +1,63 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2018 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import "errors"
+
+// Deprecated: do not use.
+type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
+
+// Deprecated: do not use.
+func GetStats() Stats { return Stats{} }
+
+// Deprecated: do not use.
+func MarshalMessageSet(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSet([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func MarshalMessageSetJSON(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSetJSON([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func RegisterMessageSetType(Message, int32, string) {}
diff --git a/vendor/github.com/golang/protobuf/proto/equal.go b/vendor/github.com/golang/protobuf/proto/equal.go
index d4db5a1c..f9b6e41b 100644
--- a/vendor/github.com/golang/protobuf/proto/equal.go
+++ b/vendor/github.com/golang/protobuf/proto/equal.go
@@ -246,7 +246,8 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
 			return false
 		}
 
-		m1, m2 := e1.value, e2.value
+		m1 := extensionAsLegacyType(e1.value)
+		m2 := extensionAsLegacyType(e2.value)
 
 		if m1 == nil && m2 == nil {
 			// Both have only encoded form.
diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go
index 816a3b9d..fa88add3 100644
--- a/vendor/github.com/golang/protobuf/proto/extensions.go
+++ b/vendor/github.com/golang/protobuf/proto/extensions.go
@@ -185,9 +185,25 @@ type Extension struct {
 	// extension will have only enc set. When such an extension is
 	// accessed using GetExtension (or GetExtensions) desc and value
 	// will be set.
-	desc  *ExtensionDesc
+	desc *ExtensionDesc
+
+	// value is a concrete value for the extension field. Let the type of
+	// desc.ExtensionType be the "API type" and the type of Extension.value
+	// be the "storage type". The API type and storage type are the same except:
+	//	* For scalars (except []byte), the API type uses *T,
+	//	while the storage type uses T.
+	//	* For repeated fields, the API type uses []T, while the storage type
+	//	uses *[]T.
+	//
+	// The reason for the divergence is so that the storage type more naturally
+	// matches what is expected of when retrieving the values through the
+	// protobuf reflection APIs.
+	//
+	// The value may only be populated if desc is also populated.
 	value interface{}
-	enc   []byte
+
+	// enc is the raw bytes for the extension field.
+	enc []byte
 }
 
 // SetRawExtension is for testing only.
@@ -334,7 +350,7 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
 			// descriptors with the same field number.
 			return nil, errors.New("proto: descriptor conflict")
 		}
-		return e.value, nil
+		return extensionAsLegacyType(e.value), nil
 	}
 
 	if extension.ExtensionType == nil {
@@ -349,11 +365,11 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
 
 	// Remember the decoded version and drop the encoded version.
 	// That way it is safe to mutate what we return.
-	e.value = v
+	e.value = extensionAsStorageType(v)
 	e.desc = extension
 	e.enc = nil
 	emap[extension.Field] = e
-	return e.value, nil
+	return extensionAsLegacyType(e.value), nil
 }
 
 // defaultExtensionValue returns the default value for extension.
@@ -488,7 +504,7 @@ func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error
 	}
 	typ := reflect.TypeOf(extension.ExtensionType)
 	if typ != reflect.TypeOf(value) {
-		return errors.New("proto: bad extension value type")
+		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType)
 	}
 	// nil extension values need to be caught early, because the
 	// encoder can't distinguish an ErrNil due to a nil extension
@@ -500,7 +516,7 @@ func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error
 	}
 
 	extmap := epb.extensionsWrite()
-	extmap[extension.Field] = Extension{desc: extension, value: value}
+	extmap[extension.Field] = Extension{desc: extension, value: extensionAsStorageType(value)}
 	return nil
 }
 
@@ -541,3 +557,51 @@ func RegisterExtension(desc *ExtensionDesc) {
 func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc {
 	return extensionMaps[reflect.TypeOf(pb).Elem()]
 }
+
+// extensionAsLegacyType converts an value in the storage type as the API type.
+// See Extension.value.
+func extensionAsLegacyType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+		// Represent primitive types as a pointer to the value.
+		rv2 := reflect.New(rv.Type())
+		rv2.Elem().Set(rv)
+		v = rv2.Interface()
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Slice:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	}
+	return v
+}
+
+// extensionAsStorageType converts an value in the API type as the storage type.
+// See Extension.value.
+func extensionAsStorageType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	case reflect.Slice:
+		// Represent slice types as a pointer to the value.
+		if rv.Type().Elem().Kind() != reflect.Uint8 {
+			rv2 := reflect.New(rv.Type())
+			rv2.Elem().Set(rv)
+			v = rv2.Interface()
+		}
+	}
+	return v
+}
diff --git a/vendor/github.com/golang/protobuf/proto/lib.go b/vendor/github.com/golang/protobuf/proto/lib.go
index 75565cc6..fdd328bb 100644
--- a/vendor/github.com/golang/protobuf/proto/lib.go
+++ b/vendor/github.com/golang/protobuf/proto/lib.go
@@ -341,26 +341,6 @@ type Message interface {
 	ProtoMessage()
 }
 
-// Stats records allocation details about the protocol buffer encoders
-// and decoders.  Useful for tuning the library itself.
-type Stats struct {
-	Emalloc uint64 // mallocs in encode
-	Dmalloc uint64 // mallocs in decode
-	Encode  uint64 // number of encodes
-	Decode  uint64 // number of decodes
-	Chit    uint64 // number of cache hits
-	Cmiss   uint64 // number of cache misses
-	Size    uint64 // number of sizes
-}
-
-// Set to true to enable stats collection.
-const collectStats = false
-
-var stats Stats
-
-// GetStats returns a copy of the global Stats structure.
-func GetStats() Stats { return stats }
-
 // A Buffer is a buffer manager for marshaling and unmarshaling
 // protocol buffers.  It may be reused between invocations to
 // reduce memory usage.  It is not necessary to use a Buffer;
@@ -960,13 +940,19 @@ func isProto3Zero(v reflect.Value) bool {
 	return false
 }
 
-// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion2 = true
+const (
+	// ProtoPackageIsVersion3 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion3 = true
+
+	// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion2 = true
 
-// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion1 = true
+	// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion1 = true
+)
 
 // InternalMessageInfo is a type used internally by generated .pb.go files.
 // This type is not intended to be used by non-generated code.
diff --git a/vendor/github.com/golang/protobuf/proto/message_set.go b/vendor/github.com/golang/protobuf/proto/message_set.go
index 3b6ca41d..f48a7567 100644
--- a/vendor/github.com/golang/protobuf/proto/message_set.go
+++ b/vendor/github.com/golang/protobuf/proto/message_set.go
@@ -36,13 +36,7 @@ package proto
  */
 
 import (
-	"bytes"
-	"encoding/json"
 	"errors"
-	"fmt"
-	"reflect"
-	"sort"
-	"sync"
 )
 
 // errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
@@ -145,46 +139,9 @@ func skipVarint(buf []byte) []byte {
 	return buf[i+1:]
 }
 
-// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
-// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSet(exts interface{}) ([]byte, error) {
-	return marshalMessageSet(exts, false)
-}
-
-// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal.
-func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) {
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var u marshalInfo
-		siz := u.sizeMessageSet(exts)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, exts, deterministic)
-
-	case map[int32]Extension:
-		// This is an old-style extension map.
-		// Wrap it in a new-style XXX_InternalExtensions.
-		ie := XXX_InternalExtensions{
-			p: &struct {
-				mu           sync.Mutex
-				extensionMap map[int32]Extension
-			}{
-				extensionMap: exts,
-			},
-		}
-
-		var u marshalInfo
-		siz := u.sizeMessageSet(&ie)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, &ie, deterministic)
-
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-}
-
-// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
+// unmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
 // It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSet(buf []byte, exts interface{}) error {
+func unmarshalMessageSet(buf []byte, exts interface{}) error {
 	var m map[int32]Extension
 	switch exts := exts.(type) {
 	case *XXX_InternalExtensions:
@@ -222,93 +179,3 @@ func UnmarshalMessageSet(buf []byte, exts interface{}) error {
 	}
 	return nil
 }
-
-// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
-// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var mu sync.Locker
-		m, mu = exts.extensionsRead()
-		if m != nil {
-			// Keep the extensions map locked until we're done marshaling to prevent
-			// races between marshaling and unmarshaling the lazily-{en,de}coded
-			// values.
-			mu.Lock()
-			defer mu.Unlock()
-		}
-	case map[int32]Extension:
-		m = exts
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-	var b bytes.Buffer
-	b.WriteByte('{')
-
-	// Process the map in key order for deterministic output.
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids)) // int32Slice defined in text.go
-
-	for i, id := range ids {
-		ext := m[id]
-		msd, ok := messageSetMap[id]
-		if !ok {
-			// Unknown type; we can't render it, so skip it.
-			continue
-		}
-
-		if i > 0 && b.Len() > 1 {
-			b.WriteByte(',')
-		}
-
-		fmt.Fprintf(&b, `"[%s]":`, msd.name)
-
-		x := ext.value
-		if x == nil {
-			x = reflect.New(msd.t.Elem()).Interface()
-			if err := Unmarshal(ext.enc, x.(Message)); err != nil {
-				return nil, err
-			}
-		}
-		d, err := json.Marshal(x)
-		if err != nil {
-			return nil, err
-		}
-		b.Write(d)
-	}
-	b.WriteByte('}')
-	return b.Bytes(), nil
-}
-
-// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
-// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
-	// Common-case fast path.
-	if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
-		return nil
-	}
-
-	// This is fairly tricky, and it's not clear that it is needed.
-	return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented")
-}
-
-// A global registry of types that can be used in a MessageSet.
-
-var messageSetMap = make(map[int32]messageSetDesc)
-
-type messageSetDesc struct {
-	t    reflect.Type // pointer to struct
-	name string
-}
-
-// RegisterMessageSetType is called from the generated code.
-func RegisterMessageSetType(m Message, fieldNum int32, name string) {
-	messageSetMap[fieldNum] = messageSetDesc{
-		t:    reflect.TypeOf(m),
-		name: name,
-	}
-}
diff --git a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
index b6cad908..94fa9194 100644
--- a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
@@ -79,10 +79,13 @@ func toPointer(i *Message) pointer {
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) pointer {
 	v := reflect.ValueOf(*i)
 	u := reflect.New(v.Type())
 	u.Elem().Set(v)
+	if deref {
+		u = u.Elem()
+	}
 	return pointer{v: u}
 }
 
diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
index d55a335d..dbfffe07 100644
--- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
@@ -85,16 +85,21 @@ func toPointer(i *Message) pointer {
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) (p pointer) {
 	// Super-tricky - read or get the address of data word of interface value.
 	if isptr {
 		// The interface is of pointer type, thus it is a direct interface.
 		// The data word is the pointer data itself. We take its address.
-		return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+		p = pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+	} else {
+		// The interface is not of pointer type. The data word is the pointer
+		// to the data.
+		p = pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
 	}
-	// The interface is not of pointer type. The data word is the pointer
-	// to the data.
-	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
+	if deref {
+		p.p = *(*unsafe.Pointer)(p.p)
+	}
+	return p
 }
 
 // valToPointer converts v to a pointer. v must be of pointer type.
diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go
index 50b99b83..79668ff5 100644
--- a/vendor/github.com/golang/protobuf/proto/properties.go
+++ b/vendor/github.com/golang/protobuf/proto/properties.go
@@ -334,9 +334,6 @@ func GetProperties(t reflect.Type) *StructProperties {
 	sprop, ok := propertiesMap[t]
 	propertiesMu.RUnlock()
 	if ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return sprop
 	}
 
@@ -346,17 +343,20 @@ func GetProperties(t reflect.Type) *StructProperties {
 	return sprop
 }
 
+type (
+	oneofFuncsIface interface {
+		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	}
+	oneofWrappersIface interface {
+		XXX_OneofWrappers() []interface{}
+	}
+)
+
 // getPropertiesLocked requires that propertiesMu is held.
 func getPropertiesLocked(t reflect.Type) *StructProperties {
 	if prop, ok := propertiesMap[t]; ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return prop
 	}
-	if collectStats {
-		stats.Cmiss++
-	}
 
 	prop := new(StructProperties)
 	// in case of recursive protos, fill this in now.
@@ -391,13 +391,14 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
 	// Re-order prop.order.
 	sort.Sort(prop)
 
-	type oneofMessage interface {
-		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	var oots []interface{}
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oots = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oots = m.XXX_OneofWrappers()
 	}
-	if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
-		var oots []interface{}
-		_, _, _, oots = om.XXX_OneofFuncs()
-
+	if len(oots) > 0 {
 		// Interpret oneof metadata.
 		prop.OneofTypes = make(map[string]*OneofProperties)
 		for _, oot := range oots {
diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go
index b1679449..5cb11fa9 100644
--- a/vendor/github.com/golang/protobuf/proto/table_marshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go
@@ -87,6 +87,7 @@ type marshalElemInfo struct {
 	sizer     sizer
 	marshaler marshaler
 	isptr     bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
+	deref     bool // dereference the pointer before operating on it; implies isptr
 }
 
 var (
@@ -320,8 +321,11 @@ func (u *marshalInfo) computeMarshalInfo() {
 
 	// get oneof implementers
 	var oneofImplementers []interface{}
-	if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
 		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oneofImplementers = m.XXX_OneofWrappers()
 	}
 
 	n := t.NumField()
@@ -407,13 +411,22 @@ func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo {
 		panic("tag is not an integer")
 	}
 	wt := wiretype(tags[0])
+	if t.Kind() == reflect.Ptr && t.Elem().Kind() != reflect.Struct {
+		t = t.Elem()
+	}
 	sizer, marshaler := typeMarshaler(t, tags, false, false)
+	var deref bool
+	if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
+		t = reflect.PtrTo(t)
+		deref = true
+	}
 	e = &marshalElemInfo{
 		wiretag:   uint64(tag)<<3 | wt,
 		tagsize:   SizeVarint(uint64(tag) << 3),
 		sizer:     sizer,
 		marshaler: marshaler,
 		isptr:     t.Kind() == reflect.Ptr,
+		deref:     deref,
 	}
 
 	// update cache
@@ -448,7 +461,7 @@ func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) {
 
 func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
 	fi.field = toField(f)
-	fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+	fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
 	fi.isPointer = true
 	fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
 	fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
@@ -476,10 +489,6 @@ func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofI
 	}
 }
 
-type oneofMessage interface {
-	XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-}
-
 // wiretype returns the wire encoding of the type.
 func wiretype(encoding string) uint64 {
 	switch encoding {
@@ -2310,8 +2319,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
 			for _, k := range m.MapKeys() {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)             // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr)          // pointer to value
+				kaddr := toAddrPointer(&ki, false, false)      // pointer to key
+				vaddr := toAddrPointer(&vi, valIsPtr, false)   // pointer to value
 				siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				n += siz + SizeVarint(uint64(siz)) + tagsize
 			}
@@ -2329,8 +2338,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
 			for _, k := range keys {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)    // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+				kaddr := toAddrPointer(&ki, false, false)    // pointer to key
+				vaddr := toAddrPointer(&vi, valIsPtr, false) // pointer to value
 				b = appendVarint(b, tag)
 				siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				b = appendVarint(b, uint64(siz))
@@ -2399,7 +2408,7 @@ func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int {
 		// the last time this function was called.
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	mu.Unlock()
@@ -2434,7 +2443,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2465,7 +2474,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err
@@ -2510,7 +2519,7 @@ func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int {
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, 1) // message, tag = 3 (size=1)
 	}
 	mu.Unlock()
@@ -2553,7 +2562,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2591,7 +2600,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 		b = append(b, 1<<3|WireEndGroup)
 		if !nerr.Merge(err) {
@@ -2621,7 +2630,7 @@ func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int {
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	return n
@@ -2656,7 +2665,7 @@ func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, determ
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err
diff --git a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
index ebf1caa5..acee2fc5 100644
--- a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
@@ -136,7 +136,7 @@ func (u *unmarshalInfo) unmarshal(m pointer, b []byte) error {
 		u.computeUnmarshalInfo()
 	}
 	if u.isMessageSet {
-		return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
+		return unmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
 	}
 	var reqMask uint64 // bitmask of required fields we've seen.
 	var errLater error
@@ -362,46 +362,48 @@ func (u *unmarshalInfo) computeUnmarshalInfo() {
 	}
 
 	// Find any types associated with oneof fields.
-	// TODO: XXX_OneofFuncs returns more info than we need.  Get rid of some of it?
-	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs")
-	if fn.IsValid() {
-		res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{}
-		for i := res.Len() - 1; i >= 0; i-- {
-			v := res.Index(i)                             // interface{}
-			tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X
-			typ := tptr.Elem()                            // Msg_X
-
-			f := typ.Field(0) // oneof implementers have one field
-			baseUnmarshal := fieldUnmarshaler(&f)
-			tags := strings.Split(f.Tag.Get("protobuf"), ",")
-			fieldNum, err := strconv.Atoi(tags[1])
-			if err != nil {
-				panic("protobuf tag field not an integer: " + tags[1])
-			}
-			var name string
-			for _, tag := range tags {
-				if strings.HasPrefix(tag, "name=") {
-					name = strings.TrimPrefix(tag, "name=")
-					break
-				}
+	var oneofImplementers []interface{}
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oneofImplementers = m.XXX_OneofWrappers()
+	}
+	for _, v := range oneofImplementers {
+		tptr := reflect.TypeOf(v) // *Msg_X
+		typ := tptr.Elem()        // Msg_X
+
+		f := typ.Field(0) // oneof implementers have one field
+		baseUnmarshal := fieldUnmarshaler(&f)
+		tags := strings.Split(f.Tag.Get("protobuf"), ",")
+		fieldNum, err := strconv.Atoi(tags[1])
+		if err != nil {
+			panic("protobuf tag field not an integer: " + tags[1])
+		}
+		var name string
+		for _, tag := range tags {
+			if strings.HasPrefix(tag, "name=") {
+				name = strings.TrimPrefix(tag, "name=")
+				break
 			}
+		}
 
-			// Find the oneof field that this struct implements.
-			// Might take O(n^2) to process all of the oneofs, but who cares.
-			for _, of := range oneofFields {
-				if tptr.Implements(of.ityp) {
-					// We have found the corresponding interface for this struct.
-					// That lets us know where this struct should be stored
-					// when we encounter it during unmarshaling.
-					unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
-					u.setTag(fieldNum, of.field, unmarshal, 0, name)
-				}
+		// Find the oneof field that this struct implements.
+		// Might take O(n^2) to process all of the oneofs, but who cares.
+		for _, of := range oneofFields {
+			if tptr.Implements(of.ityp) {
+				// We have found the corresponding interface for this struct.
+				// That lets us know where this struct should be stored
+				// when we encounter it during unmarshaling.
+				unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
+				u.setTag(fieldNum, of.field, unmarshal, 0, name)
 			}
 		}
+
 	}
 
 	// Get extension ranges, if any.
-	fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
+	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
 	if fn.IsValid() {
 		if !u.extensions.IsValid() && !u.oldExtensions.IsValid() {
 			panic("a message with extensions, but no extensions field in " + t.Name())
@@ -1948,7 +1950,7 @@ func encodeVarint(b []byte, x uint64) []byte {
 // If there is an error, it returns 0,0.
 func decodeVarint(b []byte) (uint64, int) {
 	var x, y uint64
-	if len(b) <= 0 {
+	if len(b) == 0 {
 		goto bad
 	}
 	x = uint64(b[0])
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
index e855b1f5..1ded05bb 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/descriptor.proto
 
-package descriptor // import "github.com/golang/protobuf/protoc-gen-go/descriptor"
+package descriptor
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type FieldDescriptorProto_Type int32
 
@@ -72,6 +74,7 @@ var FieldDescriptorProto_Type_name = map[int32]string{
 	17: "TYPE_SINT32",
 	18: "TYPE_SINT64",
 }
+
 var FieldDescriptorProto_Type_value = map[string]int32{
 	"TYPE_DOUBLE":   1,
 	"TYPE_FLOAT":    2,
@@ -98,9 +101,11 @@ func (x FieldDescriptorProto_Type) Enum() *FieldDescriptorProto_Type {
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Type) String() string {
 	return proto.EnumName(FieldDescriptorProto_Type_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Type) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Type_value, data, "FieldDescriptorProto_Type")
 	if err != nil {
@@ -109,8 +114,9 @@ func (x *FieldDescriptorProto_Type) UnmarshalJSON(data []byte) error {
 	*x = FieldDescriptorProto_Type(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 0}
+	return fileDescriptor_e5baabe45344a177, []int{4, 0}
 }
 
 type FieldDescriptorProto_Label int32
@@ -127,6 +133,7 @@ var FieldDescriptorProto_Label_name = map[int32]string{
 	2: "LABEL_REQUIRED",
 	3: "LABEL_REPEATED",
 }
+
 var FieldDescriptorProto_Label_value = map[string]int32{
 	"LABEL_OPTIONAL": 1,
 	"LABEL_REQUIRED": 2,
@@ -138,9 +145,11 @@ func (x FieldDescriptorProto_Label) Enum() *FieldDescriptorProto_Label {
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Label) String() string {
 	return proto.EnumName(FieldDescriptorProto_Label_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Label) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Label_value, data, "FieldDescriptorProto_Label")
 	if err != nil {
@@ -149,8 +158,9 @@ func (x *FieldDescriptorProto_Label) UnmarshalJSON(data []byte) error {
 	*x = FieldDescriptorProto_Label(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Label) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 1}
+	return fileDescriptor_e5baabe45344a177, []int{4, 1}
 }
 
 // Generated classes can be optimized for speed or code size.
@@ -168,6 +178,7 @@ var FileOptions_OptimizeMode_name = map[int32]string{
 	2: "CODE_SIZE",
 	3: "LITE_RUNTIME",
 }
+
 var FileOptions_OptimizeMode_value = map[string]int32{
 	"SPEED":        1,
 	"CODE_SIZE":    2,
@@ -179,9 +190,11 @@ func (x FileOptions_OptimizeMode) Enum() *FileOptions_OptimizeMode {
 	*p = x
 	return p
 }
+
 func (x FileOptions_OptimizeMode) String() string {
 	return proto.EnumName(FileOptions_OptimizeMode_name, int32(x))
 }
+
 func (x *FileOptions_OptimizeMode) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FileOptions_OptimizeMode_value, data, "FileOptions_OptimizeMode")
 	if err != nil {
@@ -190,8 +203,9 @@ func (x *FileOptions_OptimizeMode) UnmarshalJSON(data []byte) error {
 	*x = FileOptions_OptimizeMode(value)
 	return nil
 }
+
 func (FileOptions_OptimizeMode) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10, 0}
+	return fileDescriptor_e5baabe45344a177, []int{10, 0}
 }
 
 type FieldOptions_CType int32
@@ -208,6 +222,7 @@ var FieldOptions_CType_name = map[int32]string{
 	1: "CORD",
 	2: "STRING_PIECE",
 }
+
 var FieldOptions_CType_value = map[string]int32{
 	"STRING":       0,
 	"CORD":         1,
@@ -219,9 +234,11 @@ func (x FieldOptions_CType) Enum() *FieldOptions_CType {
 	*p = x
 	return p
 }
+
 func (x FieldOptions_CType) String() string {
 	return proto.EnumName(FieldOptions_CType_name, int32(x))
 }
+
 func (x *FieldOptions_CType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_CType_value, data, "FieldOptions_CType")
 	if err != nil {
@@ -230,8 +247,9 @@ func (x *FieldOptions_CType) UnmarshalJSON(data []byte) error {
 	*x = FieldOptions_CType(value)
 	return nil
 }
+
 func (FieldOptions_CType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 0}
+	return fileDescriptor_e5baabe45344a177, []int{12, 0}
 }
 
 type FieldOptions_JSType int32
@@ -250,6 +268,7 @@ var FieldOptions_JSType_name = map[int32]string{
 	1: "JS_STRING",
 	2: "JS_NUMBER",
 }
+
 var FieldOptions_JSType_value = map[string]int32{
 	"JS_NORMAL": 0,
 	"JS_STRING": 1,
@@ -261,9 +280,11 @@ func (x FieldOptions_JSType) Enum() *FieldOptions_JSType {
 	*p = x
 	return p
 }
+
 func (x FieldOptions_JSType) String() string {
 	return proto.EnumName(FieldOptions_JSType_name, int32(x))
 }
+
 func (x *FieldOptions_JSType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_JSType_value, data, "FieldOptions_JSType")
 	if err != nil {
@@ -272,8 +293,9 @@ func (x *FieldOptions_JSType) UnmarshalJSON(data []byte) error {
 	*x = FieldOptions_JSType(value)
 	return nil
 }
+
 func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 1}
+	return fileDescriptor_e5baabe45344a177, []int{12, 1}
 }
 
 // Is this method side-effect-free (or safe in HTTP parlance), or idempotent,
@@ -292,6 +314,7 @@ var MethodOptions_IdempotencyLevel_name = map[int32]string{
 	1: "NO_SIDE_EFFECTS",
 	2: "IDEMPOTENT",
 }
+
 var MethodOptions_IdempotencyLevel_value = map[string]int32{
 	"IDEMPOTENCY_UNKNOWN": 0,
 	"NO_SIDE_EFFECTS":     1,
@@ -303,9 +326,11 @@ func (x MethodOptions_IdempotencyLevel) Enum() *MethodOptions_IdempotencyLevel {
 	*p = x
 	return p
 }
+
 func (x MethodOptions_IdempotencyLevel) String() string {
 	return proto.EnumName(MethodOptions_IdempotencyLevel_name, int32(x))
 }
+
 func (x *MethodOptions_IdempotencyLevel) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(MethodOptions_IdempotencyLevel_value, data, "MethodOptions_IdempotencyLevel")
 	if err != nil {
@@ -314,8 +339,9 @@ func (x *MethodOptions_IdempotencyLevel) UnmarshalJSON(data []byte) error {
 	*x = MethodOptions_IdempotencyLevel(value)
 	return nil
 }
+
 func (MethodOptions_IdempotencyLevel) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17, 0}
+	return fileDescriptor_e5baabe45344a177, []int{17, 0}
 }
 
 // The protocol compiler can output a FileDescriptorSet containing the .proto
@@ -331,16 +357,17 @@ func (m *FileDescriptorSet) Reset()         { *m = FileDescriptorSet{} }
 func (m *FileDescriptorSet) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorSet) ProtoMessage()    {}
 func (*FileDescriptorSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{0}
+	return fileDescriptor_e5baabe45344a177, []int{0}
 }
+
 func (m *FileDescriptorSet) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorSet.Unmarshal(m, b)
 }
 func (m *FileDescriptorSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorSet.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorSet.Merge(dst, src)
+func (m *FileDescriptorSet) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorSet.Merge(m, src)
 }
 func (m *FileDescriptorSet) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorSet.Size(m)
@@ -392,16 +419,17 @@ func (m *FileDescriptorProto) Reset()         { *m = FileDescriptorProto{} }
 func (m *FileDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorProto) ProtoMessage()    {}
 func (*FileDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{1}
+	return fileDescriptor_e5baabe45344a177, []int{1}
 }
+
 func (m *FileDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorProto.Unmarshal(m, b)
 }
 func (m *FileDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorProto.Merge(dst, src)
+func (m *FileDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorProto.Merge(m, src)
 }
 func (m *FileDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorProto.Size(m)
@@ -519,16 +547,17 @@ func (m *DescriptorProto) Reset()         { *m = DescriptorProto{} }
 func (m *DescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto) ProtoMessage()    {}
 func (*DescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2}
+	return fileDescriptor_e5baabe45344a177, []int{2}
 }
+
 func (m *DescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto.Unmarshal(m, b)
 }
 func (m *DescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto.Merge(dst, src)
+func (m *DescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto.Merge(m, src)
 }
 func (m *DescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto.Size(m)
@@ -622,16 +651,17 @@ func (m *DescriptorProto_ExtensionRange) Reset()         { *m = DescriptorProto_
 func (m *DescriptorProto_ExtensionRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ExtensionRange) ProtoMessage()    {}
 func (*DescriptorProto_ExtensionRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 0}
+	return fileDescriptor_e5baabe45344a177, []int{2, 0}
 }
+
 func (m *DescriptorProto_ExtensionRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Unmarshal(m, b)
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(dst, src)
+func (m *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(m, src)
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Size(m)
@@ -678,16 +708,17 @@ func (m *DescriptorProto_ReservedRange) Reset()         { *m = DescriptorProto_R
 func (m *DescriptorProto_ReservedRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ReservedRange) ProtoMessage()    {}
 func (*DescriptorProto_ReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 1}
+	return fileDescriptor_e5baabe45344a177, []int{2, 1}
 }
+
 func (m *DescriptorProto_ReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Unmarshal(m, b)
 }
 func (m *DescriptorProto_ReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(dst, src)
+func (m *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(m, src)
 }
 func (m *DescriptorProto_ReservedRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Size(m)
@@ -725,7 +756,7 @@ func (m *ExtensionRangeOptions) Reset()         { *m = ExtensionRangeOptions{} }
 func (m *ExtensionRangeOptions) String() string { return proto.CompactTextString(m) }
 func (*ExtensionRangeOptions) ProtoMessage()    {}
 func (*ExtensionRangeOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{3}
+	return fileDescriptor_e5baabe45344a177, []int{3}
 }
 
 var extRange_ExtensionRangeOptions = []proto.ExtensionRange{
@@ -735,14 +766,15 @@ var extRange_ExtensionRangeOptions = []proto.ExtensionRange{
 func (*ExtensionRangeOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ExtensionRangeOptions
 }
+
 func (m *ExtensionRangeOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExtensionRangeOptions.Unmarshal(m, b)
 }
 func (m *ExtensionRangeOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExtensionRangeOptions.Marshal(b, m, deterministic)
 }
-func (dst *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExtensionRangeOptions.Merge(dst, src)
+func (m *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ExtensionRangeOptions.Merge(m, src)
 }
 func (m *ExtensionRangeOptions) XXX_Size() int {
 	return xxx_messageInfo_ExtensionRangeOptions.Size(m)
@@ -801,16 +833,17 @@ func (m *FieldDescriptorProto) Reset()         { *m = FieldDescriptorProto{} }
 func (m *FieldDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FieldDescriptorProto) ProtoMessage()    {}
 func (*FieldDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4}
+	return fileDescriptor_e5baabe45344a177, []int{4}
 }
+
 func (m *FieldDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldDescriptorProto.Unmarshal(m, b)
 }
 func (m *FieldDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FieldDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldDescriptorProto.Merge(dst, src)
+func (m *FieldDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldDescriptorProto.Merge(m, src)
 }
 func (m *FieldDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FieldDescriptorProto.Size(m)
@@ -904,16 +937,17 @@ func (m *OneofDescriptorProto) Reset()         { *m = OneofDescriptorProto{} }
 func (m *OneofDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*OneofDescriptorProto) ProtoMessage()    {}
 func (*OneofDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{5}
+	return fileDescriptor_e5baabe45344a177, []int{5}
 }
+
 func (m *OneofDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofDescriptorProto.Unmarshal(m, b)
 }
 func (m *OneofDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *OneofDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofDescriptorProto.Merge(dst, src)
+func (m *OneofDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofDescriptorProto.Merge(m, src)
 }
 func (m *OneofDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_OneofDescriptorProto.Size(m)
@@ -959,16 +993,17 @@ func (m *EnumDescriptorProto) Reset()         { *m = EnumDescriptorProto{} }
 func (m *EnumDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto) ProtoMessage()    {}
 func (*EnumDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6}
+	return fileDescriptor_e5baabe45344a177, []int{6}
 }
+
 func (m *EnumDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto.Unmarshal(m, b)
 }
 func (m *EnumDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto.Merge(dst, src)
+func (m *EnumDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto.Merge(m, src)
 }
 func (m *EnumDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto.Size(m)
@@ -1032,16 +1067,17 @@ func (m *EnumDescriptorProto_EnumReservedRange) Reset()         { *m = EnumDescr
 func (m *EnumDescriptorProto_EnumReservedRange) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto_EnumReservedRange) ProtoMessage()    {}
 func (*EnumDescriptorProto_EnumReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6, 0}
+	return fileDescriptor_e5baabe45344a177, []int{6, 0}
 }
+
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Unmarshal(m, b)
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(dst, src)
+func (m *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(m, src)
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Size(m)
@@ -1080,16 +1116,17 @@ func (m *EnumValueDescriptorProto) Reset()         { *m = EnumValueDescriptorPro
 func (m *EnumValueDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumValueDescriptorProto) ProtoMessage()    {}
 func (*EnumValueDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{7}
+	return fileDescriptor_e5baabe45344a177, []int{7}
 }
+
 func (m *EnumValueDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueDescriptorProto.Unmarshal(m, b)
 }
 func (m *EnumValueDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueDescriptorProto.Merge(dst, src)
+func (m *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueDescriptorProto.Merge(m, src)
 }
 func (m *EnumValueDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumValueDescriptorProto.Size(m)
@@ -1135,16 +1172,17 @@ func (m *ServiceDescriptorProto) Reset()         { *m = ServiceDescriptorProto{}
 func (m *ServiceDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*ServiceDescriptorProto) ProtoMessage()    {}
 func (*ServiceDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{8}
+	return fileDescriptor_e5baabe45344a177, []int{8}
 }
+
 func (m *ServiceDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceDescriptorProto.Unmarshal(m, b)
 }
 func (m *ServiceDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceDescriptorProto.Merge(dst, src)
+func (m *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceDescriptorProto.Merge(m, src)
 }
 func (m *ServiceDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_ServiceDescriptorProto.Size(m)
@@ -1197,16 +1235,17 @@ func (m *MethodDescriptorProto) Reset()         { *m = MethodDescriptorProto{} }
 func (m *MethodDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*MethodDescriptorProto) ProtoMessage()    {}
 func (*MethodDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{9}
+	return fileDescriptor_e5baabe45344a177, []int{9}
 }
+
 func (m *MethodDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodDescriptorProto.Unmarshal(m, b)
 }
 func (m *MethodDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *MethodDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodDescriptorProto.Merge(dst, src)
+func (m *MethodDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodDescriptorProto.Merge(m, src)
 }
 func (m *MethodDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_MethodDescriptorProto.Size(m)
@@ -1336,6 +1375,14 @@ type FileOptions struct {
 	// is empty. When this option is empty, the package name will be used for
 	// determining the namespace.
 	PhpNamespace *string `protobuf:"bytes,41,opt,name=php_namespace,json=phpNamespace" json:"php_namespace,omitempty"`
+	// Use this option to change the namespace of php generated metadata classes.
+	// Default is empty. When this option is empty, the proto file name will be used
+	// for determining the namespace.
+	PhpMetadataNamespace *string `protobuf:"bytes,44,opt,name=php_metadata_namespace,json=phpMetadataNamespace" json:"php_metadata_namespace,omitempty"`
+	// Use this option to change the package of ruby generated classes. Default
+	// is empty. When this option is not set, the package name will be used for
+	// determining the ruby package.
+	RubyPackage *string `protobuf:"bytes,45,opt,name=ruby_package,json=rubyPackage" json:"ruby_package,omitempty"`
 	// The parser stores options it doesn't recognize here.
 	// See the documentation for the "Options" section above.
 	UninterpretedOption          []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
@@ -1349,7 +1396,7 @@ func (m *FileOptions) Reset()         { *m = FileOptions{} }
 func (m *FileOptions) String() string { return proto.CompactTextString(m) }
 func (*FileOptions) ProtoMessage()    {}
 func (*FileOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10}
+	return fileDescriptor_e5baabe45344a177, []int{10}
 }
 
 var extRange_FileOptions = []proto.ExtensionRange{
@@ -1359,14 +1406,15 @@ var extRange_FileOptions = []proto.ExtensionRange{
 func (*FileOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FileOptions
 }
+
 func (m *FileOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileOptions.Unmarshal(m, b)
 }
 func (m *FileOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileOptions.Marshal(b, m, deterministic)
 }
-func (dst *FileOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileOptions.Merge(dst, src)
+func (m *FileOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileOptions.Merge(m, src)
 }
 func (m *FileOptions) XXX_Size() int {
 	return xxx_messageInfo_FileOptions.Size(m)
@@ -1514,6 +1562,20 @@ func (m *FileOptions) GetPhpNamespace() string {
 	return ""
 }
 
+func (m *FileOptions) GetPhpMetadataNamespace() string {
+	if m != nil && m.PhpMetadataNamespace != nil {
+		return *m.PhpMetadataNamespace
+	}
+	return ""
+}
+
+func (m *FileOptions) GetRubyPackage() string {
+	if m != nil && m.RubyPackage != nil {
+		return *m.RubyPackage
+	}
+	return ""
+}
+
 func (m *FileOptions) GetUninterpretedOption() []*UninterpretedOption {
 	if m != nil {
 		return m.UninterpretedOption
@@ -1584,7 +1646,7 @@ func (m *MessageOptions) Reset()         { *m = MessageOptions{} }
 func (m *MessageOptions) String() string { return proto.CompactTextString(m) }
 func (*MessageOptions) ProtoMessage()    {}
 func (*MessageOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{11}
+	return fileDescriptor_e5baabe45344a177, []int{11}
 }
 
 var extRange_MessageOptions = []proto.ExtensionRange{
@@ -1594,14 +1656,15 @@ var extRange_MessageOptions = []proto.ExtensionRange{
 func (*MessageOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MessageOptions
 }
+
 func (m *MessageOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MessageOptions.Unmarshal(m, b)
 }
 func (m *MessageOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MessageOptions.Marshal(b, m, deterministic)
 }
-func (dst *MessageOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MessageOptions.Merge(dst, src)
+func (m *MessageOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MessageOptions.Merge(m, src)
 }
 func (m *MessageOptions) XXX_Size() int {
 	return xxx_messageInfo_MessageOptions.Size(m)
@@ -1723,7 +1786,7 @@ func (m *FieldOptions) Reset()         { *m = FieldOptions{} }
 func (m *FieldOptions) String() string { return proto.CompactTextString(m) }
 func (*FieldOptions) ProtoMessage()    {}
 func (*FieldOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12}
+	return fileDescriptor_e5baabe45344a177, []int{12}
 }
 
 var extRange_FieldOptions = []proto.ExtensionRange{
@@ -1733,14 +1796,15 @@ var extRange_FieldOptions = []proto.ExtensionRange{
 func (*FieldOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FieldOptions
 }
+
 func (m *FieldOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldOptions.Unmarshal(m, b)
 }
 func (m *FieldOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldOptions.Marshal(b, m, deterministic)
 }
-func (dst *FieldOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldOptions.Merge(dst, src)
+func (m *FieldOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldOptions.Merge(m, src)
 }
 func (m *FieldOptions) XXX_Size() int {
 	return xxx_messageInfo_FieldOptions.Size(m)
@@ -1819,7 +1883,7 @@ func (m *OneofOptions) Reset()         { *m = OneofOptions{} }
 func (m *OneofOptions) String() string { return proto.CompactTextString(m) }
 func (*OneofOptions) ProtoMessage()    {}
 func (*OneofOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{13}
+	return fileDescriptor_e5baabe45344a177, []int{13}
 }
 
 var extRange_OneofOptions = []proto.ExtensionRange{
@@ -1829,14 +1893,15 @@ var extRange_OneofOptions = []proto.ExtensionRange{
 func (*OneofOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_OneofOptions
 }
+
 func (m *OneofOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofOptions.Unmarshal(m, b)
 }
 func (m *OneofOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofOptions.Marshal(b, m, deterministic)
 }
-func (dst *OneofOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofOptions.Merge(dst, src)
+func (m *OneofOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofOptions.Merge(m, src)
 }
 func (m *OneofOptions) XXX_Size() int {
 	return xxx_messageInfo_OneofOptions.Size(m)
@@ -1875,7 +1940,7 @@ func (m *EnumOptions) Reset()         { *m = EnumOptions{} }
 func (m *EnumOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumOptions) ProtoMessage()    {}
 func (*EnumOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{14}
+	return fileDescriptor_e5baabe45344a177, []int{14}
 }
 
 var extRange_EnumOptions = []proto.ExtensionRange{
@@ -1885,14 +1950,15 @@ var extRange_EnumOptions = []proto.ExtensionRange{
 func (*EnumOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumOptions
 }
+
 func (m *EnumOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumOptions.Unmarshal(m, b)
 }
 func (m *EnumOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumOptions.Merge(dst, src)
+func (m *EnumOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumOptions.Merge(m, src)
 }
 func (m *EnumOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumOptions.Size(m)
@@ -1944,7 +2010,7 @@ func (m *EnumValueOptions) Reset()         { *m = EnumValueOptions{} }
 func (m *EnumValueOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumValueOptions) ProtoMessage()    {}
 func (*EnumValueOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{15}
+	return fileDescriptor_e5baabe45344a177, []int{15}
 }
 
 var extRange_EnumValueOptions = []proto.ExtensionRange{
@@ -1954,14 +2020,15 @@ var extRange_EnumValueOptions = []proto.ExtensionRange{
 func (*EnumValueOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumValueOptions
 }
+
 func (m *EnumValueOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueOptions.Unmarshal(m, b)
 }
 func (m *EnumValueOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueOptions.Merge(dst, src)
+func (m *EnumValueOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueOptions.Merge(m, src)
 }
 func (m *EnumValueOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumValueOptions.Size(m)
@@ -2006,7 +2073,7 @@ func (m *ServiceOptions) Reset()         { *m = ServiceOptions{} }
 func (m *ServiceOptions) String() string { return proto.CompactTextString(m) }
 func (*ServiceOptions) ProtoMessage()    {}
 func (*ServiceOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{16}
+	return fileDescriptor_e5baabe45344a177, []int{16}
 }
 
 var extRange_ServiceOptions = []proto.ExtensionRange{
@@ -2016,14 +2083,15 @@ var extRange_ServiceOptions = []proto.ExtensionRange{
 func (*ServiceOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ServiceOptions
 }
+
 func (m *ServiceOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceOptions.Unmarshal(m, b)
 }
 func (m *ServiceOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceOptions.Marshal(b, m, deterministic)
 }
-func (dst *ServiceOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceOptions.Merge(dst, src)
+func (m *ServiceOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceOptions.Merge(m, src)
 }
 func (m *ServiceOptions) XXX_Size() int {
 	return xxx_messageInfo_ServiceOptions.Size(m)
@@ -2069,7 +2137,7 @@ func (m *MethodOptions) Reset()         { *m = MethodOptions{} }
 func (m *MethodOptions) String() string { return proto.CompactTextString(m) }
 func (*MethodOptions) ProtoMessage()    {}
 func (*MethodOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17}
+	return fileDescriptor_e5baabe45344a177, []int{17}
 }
 
 var extRange_MethodOptions = []proto.ExtensionRange{
@@ -2079,14 +2147,15 @@ var extRange_MethodOptions = []proto.ExtensionRange{
 func (*MethodOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MethodOptions
 }
+
 func (m *MethodOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodOptions.Unmarshal(m, b)
 }
 func (m *MethodOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodOptions.Marshal(b, m, deterministic)
 }
-func (dst *MethodOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodOptions.Merge(dst, src)
+func (m *MethodOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodOptions.Merge(m, src)
 }
 func (m *MethodOptions) XXX_Size() int {
 	return xxx_messageInfo_MethodOptions.Size(m)
@@ -2146,16 +2215,17 @@ func (m *UninterpretedOption) Reset()         { *m = UninterpretedOption{} }
 func (m *UninterpretedOption) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption) ProtoMessage()    {}
 func (*UninterpretedOption) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18}
+	return fileDescriptor_e5baabe45344a177, []int{18}
 }
+
 func (m *UninterpretedOption) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption.Unmarshal(m, b)
 }
 func (m *UninterpretedOption) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption.Merge(dst, src)
+func (m *UninterpretedOption) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption.Merge(m, src)
 }
 func (m *UninterpretedOption) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption.Size(m)
@@ -2232,16 +2302,17 @@ func (m *UninterpretedOption_NamePart) Reset()         { *m = UninterpretedOptio
 func (m *UninterpretedOption_NamePart) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption_NamePart) ProtoMessage()    {}
 func (*UninterpretedOption_NamePart) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18, 0}
+	return fileDescriptor_e5baabe45344a177, []int{18, 0}
 }
+
 func (m *UninterpretedOption_NamePart) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Unmarshal(m, b)
 }
 func (m *UninterpretedOption_NamePart) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption_NamePart.Merge(dst, src)
+func (m *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption_NamePart.Merge(m, src)
 }
 func (m *UninterpretedOption_NamePart) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Size(m)
@@ -2322,16 +2393,17 @@ func (m *SourceCodeInfo) Reset()         { *m = SourceCodeInfo{} }
 func (m *SourceCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo) ProtoMessage()    {}
 func (*SourceCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19}
+	return fileDescriptor_e5baabe45344a177, []int{19}
 }
+
 func (m *SourceCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo.Unmarshal(m, b)
 }
 func (m *SourceCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo.Merge(dst, src)
+func (m *SourceCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo.Merge(m, src)
 }
 func (m *SourceCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo.Size(m)
@@ -2439,16 +2511,17 @@ func (m *SourceCodeInfo_Location) Reset()         { *m = SourceCodeInfo_Location
 func (m *SourceCodeInfo_Location) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo_Location) ProtoMessage()    {}
 func (*SourceCodeInfo_Location) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19, 0}
+	return fileDescriptor_e5baabe45344a177, []int{19, 0}
 }
+
 func (m *SourceCodeInfo_Location) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo_Location.Unmarshal(m, b)
 }
 func (m *SourceCodeInfo_Location) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo_Location.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo_Location.Merge(dst, src)
+func (m *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo_Location.Merge(m, src)
 }
 func (m *SourceCodeInfo_Location) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo_Location.Size(m)
@@ -2510,16 +2583,17 @@ func (m *GeneratedCodeInfo) Reset()         { *m = GeneratedCodeInfo{} }
 func (m *GeneratedCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo) ProtoMessage()    {}
 func (*GeneratedCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20}
+	return fileDescriptor_e5baabe45344a177, []int{20}
 }
+
 func (m *GeneratedCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo.Unmarshal(m, b)
 }
 func (m *GeneratedCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo.Merge(dst, src)
+func (m *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo.Merge(m, src)
 }
 func (m *GeneratedCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo.Size(m)
@@ -2559,16 +2633,17 @@ func (m *GeneratedCodeInfo_Annotation) Reset()         { *m = GeneratedCodeInfo_
 func (m *GeneratedCodeInfo_Annotation) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo_Annotation) ProtoMessage()    {}
 func (*GeneratedCodeInfo_Annotation) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20, 0}
+	return fileDescriptor_e5baabe45344a177, []int{20, 0}
 }
+
 func (m *GeneratedCodeInfo_Annotation) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Unmarshal(m, b)
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(dst, src)
+func (m *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(m, src)
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Size(m)
@@ -2608,6 +2683,12 @@ func (m *GeneratedCodeInfo_Annotation) GetEnd() int32 {
 }
 
 func init() {
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
+	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
+	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 	proto.RegisterType((*FileDescriptorSet)(nil), "google.protobuf.FileDescriptorSet")
 	proto.RegisterType((*FileDescriptorProto)(nil), "google.protobuf.FileDescriptorProto")
 	proto.RegisterType((*DescriptorProto)(nil), "google.protobuf.DescriptorProto")
@@ -2635,178 +2716,172 @@ func init() {
 	proto.RegisterType((*SourceCodeInfo_Location)(nil), "google.protobuf.SourceCodeInfo.Location")
 	proto.RegisterType((*GeneratedCodeInfo)(nil), "google.protobuf.GeneratedCodeInfo")
 	proto.RegisterType((*GeneratedCodeInfo_Annotation)(nil), "google.protobuf.GeneratedCodeInfo.Annotation")
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
-	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
-	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 }
 
-func init() {
-	proto.RegisterFile("google/protobuf/descriptor.proto", fileDescriptor_descriptor_4df4cb5f42392df6)
-}
-
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+func init() { proto.RegisterFile("google/protobuf/descriptor.proto", fileDescriptor_e5baabe45344a177) }
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+	0xce, 0x6c, 0x1d, 0x88, 0xee, 0x7a, 0x51, 0x78, 0x54, 0x3a, 0xb4, 0xa8, 0xce, 0x86, 0xfc, 0xff,
+	0x00, 0x00, 0x00, 0xff, 0xff, 0x3e, 0xe8, 0xef, 0xc4, 0x9b, 0x1d, 0x00, 0x00,
 }
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
index 8697a50d..ed08fcbc 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
@@ -417,6 +417,17 @@ message FileOptions {
   // determining the namespace.
   optional string php_namespace = 41;
 
+
+  // Use this option to change the namespace of php generated metadata classes.
+  // Default is empty. When this option is empty, the proto file name will be used
+  // for determining the namespace.
+  optional string php_metadata_namespace = 44;
+
+  // Use this option to change the package of ruby generated classes. Default
+  // is empty. When this option is not set, the package name will be used for
+  // determining the ruby package.
+  optional string ruby_package = 45;
+
   // The parser stores options it doesn't recognize here.
   // See the documentation for the "Options" section above.
   repeated UninterpretedOption uninterpreted_option = 999;
diff --git a/vendor/github.com/matterbridge/go-whatsapp/conn.go b/vendor/github.com/matterbridge/go-whatsapp/conn.go
deleted file mode 100644
index caae5dbb..00000000
--- a/vendor/github.com/matterbridge/go-whatsapp/conn.go
+++ /dev/null
@@ -1,389 +0,0 @@
-//Package whatsapp provides a developer API to interact with the WhatsAppWeb-Servers.
-package whatsapp
-
-import (
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/json"
-	"fmt"
-	"math/rand"
-	"net/http"
-	"os"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/gorilla/websocket"
-	"github.com/matterbridge/go-whatsapp/binary"
-	"github.com/matterbridge/go-whatsapp/crypto/cbc"
-)
-
-type metric byte
-
-const (
-	debugLog metric = iota + 1
-	queryResume
-	queryReceipt
-	queryMedia
-	queryChat
-	queryContacts
-	queryMessages
-	presence
-	presenceSubscribe
-	group
-	read
-	chat
-	received
-	pic
-	status
-	message
-	queryActions
-	block
-	queryGroup
-	queryPreview
-	queryEmoji
-	queryMessageInfo
-	spam
-	querySearch
-	queryIdentity
-	queryUrl
-	profile
-	contact
-	queryVcard
-	queryStatus
-	queryStatusUpdate
-	privacyStatus
-	queryLiveLocations
-	liveLocation
-	queryVname
-	queryLabels
-	call
-	queryCall
-	queryQuickReplies
-)
-
-type flag byte
-
-const (
-	ignore flag = 1 << (7 - iota)
-	ackRequest
-	available
-	notAvailable
-	expires
-	skipOffline
-)
-
-/*
-Conn is created by NewConn. Interacting with the initialized Conn is the main way of interacting with our package.
-It holds all necessary information to make the package work internally.
-*/
-type Conn struct {
-	wsConn         *websocket.Conn
-	wsConnOK       bool
-	wsConnMutex    sync.RWMutex
-	session        *Session
-	listener       map[string]chan string
-	listenerMutex  sync.RWMutex
-	writeChan      chan wsMsg
-	handler        []Handler
-	msgCount       int
-	msgTimeout     time.Duration
-	Info           *Info
-	Store          *Store
-	ServerLastSeen time.Time
-
-	longClientName  string
-	shortClientName string
-}
-
-type wsMsg struct {
-	messageType int
-	data        []byte
-}
-
-/*
-Creates a new connection with a given timeout. The websocket connection to the WhatsAppWeb servers get´s established.
-The goroutine for handling incoming messages is started
-*/
-func NewConn(timeout time.Duration) (*Conn, error) {
-	wac := &Conn{
-		wsConn:        nil, // will be set in connect()
-		wsConnMutex:   sync.RWMutex{},
-		listener:      make(map[string]chan string),
-		listenerMutex: sync.RWMutex{},
-		writeChan:     make(chan wsMsg),
-		handler:       make([]Handler, 0),
-		msgCount:      0,
-		msgTimeout:    timeout,
-		Store:         newStore(),
-
-		longClientName:  "github.com/rhymen/go-whatsapp",
-		shortClientName: "go-whatsapp",
-	}
-
-	if err := wac.connect(); err != nil {
-		return nil, err
-	}
-
-	go wac.readPump()
-	go wac.writePump()
-	go wac.keepAlive(20000, 60000)
-
-	return wac, nil
-}
-
-func (wac *Conn) isConnected() bool {
-	wac.wsConnMutex.RLock()
-	defer wac.wsConnMutex.RUnlock()
-	if wac.wsConn == nil {
-		return false
-	}
-	if wac.wsConnOK {
-		return true
-	}
-
-	// just send a keepalive to test the connection
-	wac.sendKeepAlive()
-
-	// this method is expected to be called by loops. So we can just return false
-	return false
-}
-
-// connect should be guarded with wsConnMutex
-func (wac *Conn) connect() error {
-	dialer := &websocket.Dialer{
-		ReadBufferSize:   25 * 1024 * 1024,
-		WriteBufferSize:  10 * 1024 * 1024,
-		HandshakeTimeout: wac.msgTimeout,
-	}
-
-	headers := http.Header{"Origin": []string{"https://web.whatsapp.com"}}
-	wsConn, _, err := dialer.Dial("wss://web.whatsapp.com/ws", headers)
-	if err != nil {
-		return fmt.Errorf("couldn't dial whatsapp web websocket: %v", err)
-	}
-
-	wsConn.SetCloseHandler(func(code int, text string) error {
-		fmt.Fprintf(os.Stderr, "websocket connection closed(%d, %s)\n", code, text)
-
-		// from default CloseHandler
-		message := websocket.FormatCloseMessage(code, "")
-		wsConn.WriteControl(websocket.CloseMessage, message, time.Now().Add(time.Second))
-
-		// our close handling
-		if websocket.IsUnexpectedCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
-			fmt.Println("Trigger reconnect")
-			go wac.reconnect()
-		}
-		return nil
-	})
-
-	wac.wsConn = wsConn
-	wac.wsConnOK = true
-	return nil
-}
-
-// reconnect should be run as go routine
-func (wac *Conn) reconnect() {
-	wac.wsConnMutex.Lock()
-	wac.wsConn.Close()
-	wac.wsConn = nil
-	wac.wsConnOK = false
-	wac.wsConnMutex.Unlock()
-
-	// wait up to 60 seconds and then reconnect. As writePump should send immediately, it might
-	// reconnect as well. So we check its existance before reconnecting
-	for !wac.isConnected() {
-		time.Sleep(time.Duration(rand.Intn(60)) * time.Second)
-
-		wac.wsConnMutex.Lock()
-		if wac.wsConn == nil {
-			if err := wac.connect(); err != nil {
-				fmt.Fprintf(os.Stderr, "could not reconnect to websocket: %v\n", err)
-			}
-		}
-		wac.wsConnMutex.Unlock()
-	}
-}
-
-func (wac *Conn) write(data []interface{}) (<-chan string, error) {
-	d, err := json.Marshal(data)
-	if err != nil {
-		return nil, err
-	}
-
-	ts := time.Now().Unix()
-	messageTag := fmt.Sprintf("%d.--%d", ts, wac.msgCount)
-	msg := fmt.Sprintf("%s,%s", messageTag, d)
-
-	ch := make(chan string, 1)
-
-	wac.listenerMutex.Lock()
-	wac.listener[messageTag] = ch
-	wac.listenerMutex.Unlock()
-
-	wac.writeChan <- wsMsg{websocket.TextMessage, []byte(msg)}
-
-	wac.msgCount++
-	return ch, nil
-}
-
-func (wac *Conn) writeBinary(node binary.Node, metric metric, flag flag, tag string) (<-chan string, error) {
-	if len(tag) < 2 {
-		return nil, fmt.Errorf("no tag specified or to short")
-	}
-	b, err := binary.Marshal(node)
-	if err != nil {
-		return nil, err
-	}
-
-	cipher, err := cbc.Encrypt(wac.session.EncKey, nil, b)
-	if err != nil {
-		return nil, err
-	}
-
-	h := hmac.New(sha256.New, wac.session.MacKey)
-	h.Write(cipher)
-	hash := h.Sum(nil)
-
-	data := []byte(tag + ",")
-	data = append(data, byte(metric), byte(flag))
-	data = append(data, hash[:32]...)
-	data = append(data, cipher...)
-
-	ch := make(chan string, 1)
-
-	wac.listenerMutex.Lock()
-	wac.listener[tag] = ch
-	wac.listenerMutex.Unlock()
-
-	msg := wsMsg{websocket.BinaryMessage, data}
-	wac.writeChan <- msg
-
-	wac.msgCount++
-	return ch, nil
-}
-
-func (wac *Conn) readPump() {
-	defer wac.wsConn.Close()
-
-	for {
-		msgType, msg, err := wac.wsConn.ReadMessage()
-		if err != nil {
-			wac.wsConnOK = false
-			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway) {
-				wac.handle(fmt.Errorf("unexpected websocket close: %v", err))
-			}
-			// sleep for a second and retry reading the next message
-			time.Sleep(time.Second)
-			continue
-		}
-		wac.wsConnOK = true
-
-		data := strings.SplitN(string(msg), ",", 2)
-
-		//Kepp-Alive Timestmap
-		if data[0][0] == '!' {
-			msecs, err := strconv.ParseInt(data[0][1:], 10, 64)
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "Error converting time string to uint: %v\n", err)
-				continue
-			}
-			wac.ServerLastSeen = time.Unix(msecs/1000, (msecs%1000)*int64(time.Millisecond))
-			continue
-		}
-
-		wac.listenerMutex.RLock()
-		listener, hasListener := wac.listener[data[0]]
-		wac.listenerMutex.RUnlock()
-
-		if len(data[1]) == 0 {
-			continue
-		} else if hasListener {
-			listener <- data[1]
-
-			wac.listenerMutex.Lock()
-			delete(wac.listener, data[0])
-			wac.listenerMutex.Unlock()
-		} else if msgType == 2 && wac.session != nil && wac.session.EncKey != nil {
-			message, err := wac.decryptBinaryMessage([]byte(data[1]))
-			if err != nil {
-				wac.handle(fmt.Errorf("error decoding binary: %v", err))
-				continue
-			}
-
-			wac.dispatch(message)
-		} else {
-			wac.handle(string(data[1]))
-		}
-
-	}
-}
-
-func (wac *Conn) writePump() {
-	for msg := range wac.writeChan {
-		for !wac.isConnected() {
-			// reconnect to send the message ASAP
-			wac.wsConnMutex.Lock()
-			if wac.wsConn == nil {
-				if err := wac.connect(); err != nil {
-					fmt.Fprintf(os.Stderr, "could not reconnect to websocket: %v\n", err)
-				}
-			}
-			wac.wsConnMutex.Unlock()
-			if !wac.isConnected() {
-				// reconnecting failed. Sleep for a while and try again afterwards
-				time.Sleep(time.Duration(rand.Intn(5)) * time.Second)
-			}
-		}
-		if err := wac.wsConn.WriteMessage(msg.messageType, msg.data); err != nil {
-			fmt.Fprintf(os.Stderr, "error writing to socket: %v\n", err)
-			wac.wsConnOK = false
-			// add message to channel again to no loose it
-			go func() {
-				wac.writeChan <- msg
-			}()
-		}
-	}
-}
-
-func (wac *Conn) sendKeepAlive() {
-	// whatever issues might be there allow sending this message
-	wac.wsConnOK = true
-	wac.writeChan <- wsMsg{
-		messageType: websocket.TextMessage,
-		data:        []byte("?,,"),
-	}
-}
-
-func (wac *Conn) keepAlive(minIntervalMs int, maxIntervalMs int) {
-	for {
-		wac.sendKeepAlive()
-		interval := rand.Intn(maxIntervalMs-minIntervalMs) + minIntervalMs
-		<-time.After(time.Duration(interval) * time.Millisecond)
-	}
-}
-
-func (wac *Conn) decryptBinaryMessage(msg []byte) (*binary.Node, error) {
-	//message validation
-	h2 := hmac.New(sha256.New, wac.session.MacKey)
-	h2.Write([]byte(msg[32:]))
-	if !hmac.Equal(h2.Sum(nil), msg[:32]) {
-		return nil, fmt.Errorf("message received with invalid hmac")
-	}
-
-	// message decrypt
-	d, err := cbc.Decrypt(wac.session.EncKey, nil, msg[32:])
-	if err != nil {
-		return nil, fmt.Errorf("error decrypting message with AES: %v", err)
-	}
-
-	// message unmarshal
-	message, err := binary.Unmarshal(d)
-	if err != nil {
-		return nil, fmt.Errorf("error decoding binary: %v", err)
-	}
-
-	return message, nil
-}
diff --git a/vendor/github.com/matterbridge/go-whatsapp/go.mod b/vendor/github.com/matterbridge/go-whatsapp/go.mod
deleted file mode 100644
index 2c2afb6d..00000000
--- a/vendor/github.com/matterbridge/go-whatsapp/go.mod
+++ /dev/null
@@ -1,8 +0,0 @@
-module github.com/matterbridge/go-whatsapp
-
-require (
-	github.com/golang/protobuf v1.2.0
-	github.com/gorilla/websocket v1.4.0
-	golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613
-	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
-)
diff --git a/vendor/github.com/matterbridge/go-whatsapp/go.sum b/vendor/github.com/matterbridge/go-whatsapp/go.sum
deleted file mode 100644
index e4fd3944..00000000
--- a/vendor/github.com/matterbridge/go-whatsapp/go.sum
+++ /dev/null
@@ -1,7 +0,0 @@
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
-github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
-golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 h1:MQ/ZZiDsUapFFiMS+vzwXkCTeEKaum+Do5rINYJDmxc=
-golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/LICENSE b/vendor/github.com/matterbridge/mautrix-whatsapp/LICENSE
deleted file mode 100644
index be3f7b28..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/LICENSE
+++ /dev/null
@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU Affero General Public License is a free, copyleft license for
-software and other kinds of works, specifically designed to ensure
-cooperation with the community in the case of network server software.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-our General Public Licenses are intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  Developers that use our General Public Licenses protect your rights
-with two steps: (1) assert copyright on the software, and (2) offer
-you this License which gives you legal permission to copy, distribute
-and/or modify the software.
-
-  A secondary benefit of defending all users' freedom is that
-improvements made in alternate versions of the program, if they
-receive widespread use, become available for other developers to
-incorporate.  Many developers of free software are heartened and
-encouraged by the resulting cooperation.  However, in the case of
-software used on network servers, this result may fail to come about.
-The GNU General Public License permits making a modified version and
-letting the public access it on a server without ever releasing its
-source code to the public.
-
-  The GNU Affero General Public License is designed specifically to
-ensure that, in such cases, the modified source code becomes available
-to the community.  It requires the operator of a network server to
-provide the source code of the modified version running there to the
-users of that server.  Therefore, public use of a modified version, on
-a publicly accessible server, gives the public access to the source
-code of the modified version.
-
-  An older license, called the Affero General Public License and
-published by Affero, was designed to accomplish similar goals.  This is
-a different license, not a version of the Affero GPL, but Affero has
-released a new version of the Affero GPL which permits relicensing under
-this license.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
-  "This License" refers to version 3 of the GNU Affero General Public License.
-
-  "Copyright" also means copyright-like laws that apply to other kinds of
-works, such as semiconductor masks.
-
-  "The Program" refers to any copyrightable work licensed under this
-License.  Each licensee is addressed as "you".  "Licensees" and
-"recipients" may be individuals or organizations.
-
-  To "modify" a work means to copy from or adapt all or part of the work
-in a fashion requiring copyright permission, other than the making of an
-exact copy.  The resulting work is called a "modified version" of the
-earlier work or a work "based on" the earlier work.
-
-  A "covered work" means either the unmodified Program or a work based
-on the Program.
-
-  To "propagate" a work means to do anything with it that, without
-permission, would make you directly or secondarily liable for
-infringement under applicable copyright law, except executing it on a
-computer or modifying a private copy.  Propagation includes copying,
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-public, and in some countries other activities as well.
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-  To "convey" a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user through
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-to the extent that it includes a convenient and prominently visible
-feature that (1) displays an appropriate copyright notice, and (2)
-tells the user that there is no warranty for the work (except to the
-extent that warranties are provided), that licensees may convey the
-work under this License, and how to view a copy of this License.  If
-the interface presents a list of user commands or options, such as a
-menu, a prominent item in the list meets this criterion.
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-for making modifications to it.  "Object code" means any non-source
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-  All rights granted under this License are granted for the term of
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-measure under any applicable law fulfilling obligations under article
-11 of the WIPO copyright treaty adopted on 20 December 1996, or
-similar laws prohibiting or restricting circumvention of such
-measures.
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-  When you convey a covered work, you waive any legal power to forbid
-circumvention of technological measures to the extent such circumvention
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-users, your or third parties' legal rights to forbid circumvention of
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-  You may convey verbatim copies of the Program's source code as you
-receive it, in any medium, provided that you conspicuously and
-appropriately publish on each copy an appropriate copyright notice;
-keep intact all notices stating that this License and any
-non-permissive terms added in accord with section 7 apply to the code;
-keep intact all notices of the absence of any warranty; and give all
-recipients a copy of this License along with the Program.
-
-  You may charge any price or no price for each copy that you convey,
-and you may offer support or warranty protection for a fee.
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-  5. Conveying Modified Source Versions.
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-  You may convey a work based on the Program, or the modifications to
-produce it from the Program, in the form of source code under the
-terms of section 4, provided that you also meet all of these conditions:
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-    a) The work must carry prominent notices stating that you modified
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-    b) The work must carry prominent notices stating that it is
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-    7.  This requirement modifies the requirement in section 4 to
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-    c) You must license the entire work, as a whole, under this
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-    d) If the work has interactive user interfaces, each must display
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-  10. Automatic Licensing of Downstream Recipients.
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-(such as an express permission to practice a patent or covenant not to
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-available, or (2) arrange to deprive yourself of the benefit of the
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-license to downstream recipients.  "Knowingly relying" means you have
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-the work, and under which the third party grants, to any of the
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-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
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-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
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-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
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-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Remote Network Interaction; Use with the GNU General Public License.
-
-  Notwithstanding any other provision of this License, if you modify the
-Program, your modified version must prominently offer all users
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-License will continue to apply to the part which is the covered work,
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-3 of the GNU General Public License.
-
-  14. Revised Versions of this License.
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-  The Free Software Foundation may publish revised and/or new versions of
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-
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-Foundation.  If the Program does not specify a version number of the
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-
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-  Later license versions may give you additional or different
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-author or copyright holder as a result of your choosing to follow a
-later version.
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-  15. Disclaimer of Warranty.
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-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
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-  17. Interpretation of Sections 15 and 16.
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-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
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-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
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-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
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-to attach them to the start of each source file to most effectively
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-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
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-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If your software can interact with users remotely through a computer
-network, you should also make sure that it provides a way for users to
-get its source.  For example, if your program is a web application, its
-interface could display a "Source" link that leads users to an archive
-of the code.  There are many ways you could offer source, and different
-solutions will be better for different programs; see section 13 for the
-specific requirements.
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-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<https://www.gnu.org/licenses/>.
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/chat.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/chat.go
deleted file mode 100644
index b1a08823..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/chat.go
+++ /dev/null
@@ -1,147 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-	"strings"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type ChatUpdateCommand string
-
-const (
-	ChatUpdateCommandAction ChatUpdateCommand = "action"
-)
-
-type ChatUpdate struct {
-	JID     string            `json:"id"`
-	Command ChatUpdateCommand `json:"cmd"`
-	Data    ChatUpdateData    `json:"data"`
-}
-
-type ChatActionType string
-
-const (
-	ChatActionNameChange  ChatActionType = "subject"
-	ChatActionAddTopic    ChatActionType = "desc_add"
-	ChatActionRemoveTopic ChatActionType = "desc_remove"
-	ChatActionRestrict    ChatActionType = "restrict"
-	ChatActionAnnounce    ChatActionType = "announce"
-	ChatActionPromote     ChatActionType = "promote"
-	ChatActionDemote      ChatActionType = "demote"
-)
-
-type ChatUpdateData struct {
-	Action    ChatActionType
-	SenderJID string
-
-	NameChange struct {
-		Name  string `json:"subject"`
-		SetAt int64  `json:"s_t"`
-		SetBy string `json:"s_o"`
-	}
-
-	AddTopic struct {
-		Topic string `json:"desc"`
-		ID    string `json:"descId"`
-		SetAt int64  `json:"descTime"`
-	}
-
-	RemoveTopic struct {
-		ID string `json:"descId"`
-	}
-
-	Restrict bool
-
-	Announce bool
-
-	PermissionChange struct {
-		JIDs []string `json:"participants"`
-	}
-}
-
-func (cud *ChatUpdateData) UnmarshalJSON(data []byte) error {
-	var arr []json.RawMessage
-	err := json.Unmarshal(data, &arr)
-	if err != nil {
-		return err
-	} else if len(arr) < 3 {
-		return nil
-	}
-
-	err = json.Unmarshal(arr[0], &cud.Action)
-	if err != nil {
-		return err
-	}
-
-	err = json.Unmarshal(arr[1], &cud.SenderJID)
-	if err != nil {
-		return err
-	}
-	cud.SenderJID = strings.Replace(cud.SenderJID, OldUserSuffix, NewUserSuffix, 1)
-
-	var unmarshalTo interface{}
-	switch cud.Action {
-	case ChatActionNameChange:
-		unmarshalTo = &cud.NameChange
-	case ChatActionAddTopic:
-		unmarshalTo = &cud.AddTopic
-	case ChatActionRemoveTopic:
-		unmarshalTo = &cud.RemoveTopic
-	case ChatActionRestrict:
-		unmarshalTo = &cud.Restrict
-	case ChatActionAnnounce:
-		unmarshalTo = &cud.Announce
-	case ChatActionPromote, ChatActionDemote:
-		unmarshalTo = &cud.PermissionChange
-	default:
-		return nil
-	}
-	err = json.Unmarshal(arr[2], unmarshalTo)
-	if err != nil {
-		return err
-	}
-	cud.NameChange.SetBy = strings.Replace(cud.NameChange.SetBy, OldUserSuffix, NewUserSuffix, 1)
-	for index, jid := range cud.PermissionChange.JIDs {
-		cud.PermissionChange.JIDs[index] = strings.Replace(jid, OldUserSuffix, NewUserSuffix, 1)
-	}
-	return nil
-}
-
-type ChatUpdateHandler interface {
-	whatsapp.Handler
-	HandleChatUpdate(ChatUpdate)
-}
-
-func (ext *ExtendedConn) handleMessageChatUpdate(message []byte) {
-	var event ChatUpdate
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	event.JID = strings.Replace(event.JID, OldUserSuffix, NewUserSuffix, 1)
-	for _, handler := range ext.handlers {
-		chatUpdateHandler, ok := handler.(ChatUpdateHandler)
-		if !ok {
-			continue
-		}
-		go chatUpdateHandler.HandleChatUpdate(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/cmd.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/cmd.go
deleted file mode 100644
index 69dbe60c..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/cmd.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-	"strings"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type CommandType string
-
-const (
-	CommandPicture CommandType = "picture"
-)
-
-type Command struct {
-	Type CommandType `json:"type"`
-	JID  string      `json:"jid"`
-
-	*ProfilePicInfo
-}
-
-type CommandHandler interface {
-	whatsapp.Handler
-	HandleCommand(Command)
-}
-
-func (ext *ExtendedConn) handleMessageCommand(message []byte) {
-	var event Command
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	event.JID = strings.Replace(event.JID, OldUserSuffix, NewUserSuffix, 1)
-	for _, handler := range ext.handlers {
-		commandHandler, ok := handler.(CommandHandler)
-		if !ok {
-			continue
-		}
-		go commandHandler.HandleCommand(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/conn.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/conn.go
deleted file mode 100644
index 5084cb5a..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/conn.go
+++ /dev/null
@@ -1,60 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type ConnInfo struct {
-	ProtocolVersion []int `json:"protoVersion"`
-	BinaryVersion   int   `json:"binVersion"`
-	Phone           struct {
-		WhatsAppVersion    string `json:"wa_version"`
-		MCC                string `json:"mcc"`
-		MNC                string `json:"mnc"`
-		OSVersion          string `json:"os_version"`
-		DeviceManufacturer string `json:"device_manufacturer"`
-		DeviceModel        string `json:"device_model"`
-		OSBuildNumber      string `json:"os_build_number"`
-	} `json:"phone"`
-	Features map[string]interface{} `json:"features"`
-	PushName string                 `json:"pushname"`
-}
-
-type ConnInfoHandler interface {
-	whatsapp.Handler
-	HandleConnInfo(ConnInfo)
-}
-
-func (ext *ExtendedConn) handleMessageConn(message []byte) {
-	var event ConnInfo
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	for _, handler := range ext.handlers {
-		connInfoHandler, ok := handler.(ConnInfoHandler)
-		if !ok {
-			continue
-		}
-		connInfoHandler.HandleConnInfo(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/jsonmessage.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/jsonmessage.go
deleted file mode 100644
index 0b5a791c..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/jsonmessage.go
+++ /dev/null
@@ -1,102 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type JSONMessage []json.RawMessage
-
-type JSONMessageType string
-
-const (
-	MessageMsgInfo  JSONMessageType = "MsgInfo"
-	MessageMsg      JSONMessageType = "Msg"
-	MessagePresence JSONMessageType = "Presence"
-	MessageStream   JSONMessageType = "Stream"
-	MessageConn     JSONMessageType = "Conn"
-	MessageProps    JSONMessageType = "Props"
-	MessageCmd      JSONMessageType = "Cmd"
-	MessageChat     JSONMessageType = "Chat"
-)
-
-func (ext *ExtendedConn) AddHandler(handler whatsapp.Handler) {
-	ext.Conn.AddHandler(handler)
-	ext.handlers = append(ext.handlers, handler)
-}
-
-func (ext *ExtendedConn) HandleError(error) {}
-
-type UnhandledJSONMessageHandler interface {
-	whatsapp.Handler
-	HandleUnhandledJSONMessage(string)
-}
-
-type JSONParseErrorHandler interface {
-	whatsapp.Handler
-	HandleJSONParseError(error)
-}
-
-func (ext *ExtendedConn) jsonParseError(err error) {
-	for _, handler := range ext.handlers {
-		errorHandler, ok := handler.(JSONParseErrorHandler)
-		if !ok {
-			continue
-		}
-		errorHandler.HandleJSONParseError(err)
-	}
-}
-
-func (ext *ExtendedConn) HandleJsonMessage(message string) {
-	msg := JSONMessage{}
-	err := json.Unmarshal([]byte(message), &msg)
-	if err != nil || len(msg) < 2 {
-		ext.jsonParseError(err)
-		return
-	}
-
-	var msgType JSONMessageType
-	json.Unmarshal(msg[0], &msgType)
-
-	switch msgType {
-	case MessagePresence:
-		ext.handleMessagePresence(msg[1])
-	case MessageStream:
-		ext.handleMessageStream(msg[1:])
-	case MessageConn:
-		ext.handleMessageConn(msg[1])
-	case MessageProps:
-		ext.handleMessageProps(msg[1])
-	case MessageMsgInfo, MessageMsg:
-		ext.handleMessageMsgInfo(msgType, msg[1])
-	case MessageCmd:
-		ext.handleMessageCommand(msg[1])
-	case MessageChat:
-		ext.handleMessageChatUpdate(msg[1])
-	default:
-		for _, handler := range ext.handlers {
-			ujmHandler, ok := handler.(UnhandledJSONMessageHandler)
-			if !ok {
-				continue
-			}
-			ujmHandler.HandleUnhandledJSONMessage(message)
-		}
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/msginfo.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/msginfo.go
deleted file mode 100644
index e929ec90..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/msginfo.go
+++ /dev/null
@@ -1,90 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-	"strings"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type MsgInfoCommand string
-
-const (
-	MsgInfoCommandAck  MsgInfoCommand = "ack"
-	MsgInfoCommandAcks MsgInfoCommand = "acks"
-)
-
-type Acknowledgement int
-
-const (
-	AckMessageSent      Acknowledgement = 1
-	AckMessageDelivered Acknowledgement = 2
-	AckMessageRead      Acknowledgement = 3
-)
-
-type JSONStringOrArray []string
-
-func (jsoa *JSONStringOrArray) UnmarshalJSON(data []byte) error {
-	var str string
-	if json.Unmarshal(data, &str) == nil {
-		*jsoa = []string{str}
-		return nil
-	}
-	var strs []string
-	json.Unmarshal(data, &strs)
-	*jsoa = strs
-	return nil
-}
-
-type MsgInfo struct {
-	Command         MsgInfoCommand    `json:"cmd"`
-	IDs             JSONStringOrArray `json:"id"`
-	Acknowledgement Acknowledgement   `json:"ack"`
-	MessageFromJID  string            `json:"from"`
-	SenderJID       string            `json:"participant"`
-	ToJID           string            `json:"to"`
-	Timestamp       int64             `json:"t"`
-}
-
-type MsgInfoHandler interface {
-	whatsapp.Handler
-	HandleMsgInfo(MsgInfo)
-}
-
-func (ext *ExtendedConn) handleMessageMsgInfo(msgType JSONMessageType, message []byte) {
-	var event MsgInfo
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	event.MessageFromJID = strings.Replace(event.MessageFromJID, OldUserSuffix, NewUserSuffix, 1)
-	event.SenderJID = strings.Replace(event.SenderJID, OldUserSuffix, NewUserSuffix, 1)
-	event.ToJID = strings.Replace(event.ToJID, OldUserSuffix, NewUserSuffix, 1)
-	if msgType == MessageMsg {
-		event.SenderJID = event.ToJID
-	}
-	for _, handler := range ext.handlers {
-		msgInfoHandler, ok := handler.(MsgInfoHandler)
-		if !ok {
-			continue
-		}
-		go msgInfoHandler.HandleMsgInfo(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/presence.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/presence.go
deleted file mode 100644
index d70a753a..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/presence.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-	"strings"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type PresenceType string
-
-const (
-	PresenceUnavailable PresenceType = "unavailable"
-	PresenceAvailable   PresenceType = "available"
-	PresenceComposing   PresenceType = "composing"
-)
-
-type Presence struct {
-	JID       string       `json:"id"`
-	SenderJID string       `json:"participant"`
-	Status    PresenceType `json:"type"`
-	Timestamp int64        `json:"t"`
-	Deny      bool         `json:"deny"`
-}
-
-type PresenceHandler interface {
-	whatsapp.Handler
-	HandlePresence(Presence)
-}
-
-func (ext *ExtendedConn) handleMessagePresence(message []byte) {
-	var event Presence
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	event.JID = strings.Replace(event.JID, OldUserSuffix, NewUserSuffix, 1)
-	if len(event.SenderJID) == 0 {
-		event.SenderJID = event.JID
-	} else {
-		event.SenderJID = strings.Replace(event.SenderJID, OldUserSuffix, NewUserSuffix, 1)
-	}
-	for _, handler := range ext.handlers {
-		presenceHandler, ok := handler.(PresenceHandler)
-		if !ok {
-			continue
-		}
-		go presenceHandler.HandlePresence(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/props.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/props.go
deleted file mode 100644
index dcfdef9e..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/props.go
+++ /dev/null
@@ -1,68 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type ProtocolProps struct {
-	WebPresence            bool   `json:"webPresence"`
-	NotificationQuery      bool   `json:"notificationQuery"`
-	FacebookCrashLog       bool   `json:"fbCrashlog"`
-	Bucket                 string `json:"bucket"`
-	GIFSearch              string `json:"gifSearch"`
-	Spam                   bool   `json:"SPAM"`
-	SetBlock               bool   `json:"SET_BLOCK"`
-	MessageInfo            bool   `json:"MESSAGE_INFO"`
-	MaxFileSize            int    `json:"maxFileSize"`
-	Media                  int    `json:"media"`
-	GroupNameLength        int    `json:"maxSubject"`
-	GroupDescriptionLength int    `json:"groupDescLength"`
-	MaxParticipants        int    `json:"maxParticipants"`
-	VideoMaxEdge           int    `json:"videoMaxEdge"`
-	ImageMaxEdge           int    `json:"imageMaxEdge"`
-	ImageMaxKilobytes      int    `json:"imageMaxKBytes"`
-	Edit                   int    `json:"edit"`
-	FwdUIStartTimestamp    int    `json:"fwdUiStartTs"`
-	GroupsV3               int    `json:"groupsV3"`
-	RestrictGroups         int    `json:"restrictGroups"`
-	AnnounceGroups         int    `json:"announceGroups"`
-}
-
-type ProtocolPropsHandler interface {
-	whatsapp.Handler
-	HandleProtocolProps(ProtocolProps)
-}
-
-func (ext *ExtendedConn) handleMessageProps(message []byte) {
-	var event ProtocolProps
-	err := json.Unmarshal(message, &event)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-	for _, handler := range ext.handlers {
-		protocolPropsHandler, ok := handler.(ProtocolPropsHandler)
-		if !ok {
-			continue
-		}
-		go protocolPropsHandler.HandleProtocolProps(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/stream.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/stream.go
deleted file mode 100644
index f2b222d5..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/stream.go
+++ /dev/null
@@ -1,63 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-type StreamType string
-
-const (
-	StreamUpdate = "update"
-	StreamSleep  = "asleep"
-)
-
-type StreamEvent struct {
-	Type    StreamType
-	Boolean bool
-	Version string
-}
-
-type StreamEventHandler interface {
-	whatsapp.Handler
-	HandleStreamEvent(StreamEvent)
-}
-
-func (ext *ExtendedConn) handleMessageStream(message []json.RawMessage) {
-	var event StreamEvent
-	err := json.Unmarshal(message[0], &event.Type)
-	if err != nil {
-		ext.jsonParseError(err)
-		return
-	}
-
-	if event.Type == StreamUpdate && len(message) > 4 {
-		json.Unmarshal(message[1], event.Boolean)
-		json.Unmarshal(message[2], event.Version)
-	}
-
-	for _, handler := range ext.handlers {
-		streamHandler, ok := handler.(StreamEventHandler)
-		if !ok {
-			continue
-		}
-		go streamHandler.HandleStreamEvent(event)
-	}
-}
diff --git a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/whatsapp.go b/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/whatsapp.go
deleted file mode 100644
index bd28a06d..00000000
--- a/vendor/github.com/matterbridge/mautrix-whatsapp/whatsapp-ext/whatsapp.go
+++ /dev/null
@@ -1,132 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package whatsappExt
-
-import (
-	"encoding/json"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"strings"
-
-	"github.com/matterbridge/go-whatsapp"
-)
-
-const (
-	OldUserSuffix = "@c.us"
-	NewUserSuffix = "@s.whatsapp.net"
-)
-
-type ExtendedConn struct {
-	*whatsapp.Conn
-
-	handlers []whatsapp.Handler
-}
-
-func ExtendConn(conn *whatsapp.Conn) *ExtendedConn {
-	ext := &ExtendedConn{
-		Conn: conn,
-	}
-	ext.Conn.AddHandler(ext)
-	return ext
-}
-
-type GroupInfo struct {
-	JID      string `json:"jid"`
-	OwnerJID string `json:"owner"`
-
-	Name        string `json:"subject"`
-	NameSetTime int64  `json:"subjectTime"`
-	NameSetBy   string `json:"subjectOwner"`
-
-	Topic      string `json:"desc"`
-	TopicID    string `json:"descId"`
-	TopicSetAt int64  `json:"descTime"`
-	TopicSetBy string `json:"descOwner"`
-
-	GroupCreated int64 `json:"creation"`
-
-	Status int16 `json:"status"`
-
-	Participants []struct {
-		JID          string `json:"id"`
-		IsAdmin      bool   `json:"isAdmin"`
-		IsSuperAdmin bool   `json:"isSuperAdmin"`
-	} `json:"participants"`
-}
-
-func (ext *ExtendedConn) GetGroupMetaData(jid string) (*GroupInfo, error) {
-	data, err := ext.Conn.GetGroupMetaData(jid)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get group metadata: %v", err)
-	}
-	content := <-data
-
-	info := &GroupInfo{}
-	err = json.Unmarshal([]byte(content), info)
-	if err != nil {
-		return info, fmt.Errorf("failed to unmarshal group metadata: %v", err)
-	}
-
-	for index, participant := range info.Participants {
-		info.Participants[index].JID = strings.Replace(participant.JID, OldUserSuffix, NewUserSuffix, 1)
-	}
-	info.NameSetBy = strings.Replace(info.NameSetBy, OldUserSuffix, NewUserSuffix, 1)
-	info.TopicSetBy = strings.Replace(info.TopicSetBy, OldUserSuffix, NewUserSuffix, 1)
-
-	return info, nil
-}
-
-type ProfilePicInfo struct {
-	URL string `json:"eurl"`
-	Tag string `json:"tag"`
-
-	Status int16 `json:"status"`
-}
-
-func (ppi *ProfilePicInfo) Download() (io.ReadCloser, error) {
-	resp, err := http.Get(ppi.URL)
-	if err != nil {
-		return nil, err
-	}
-	return resp.Body, nil
-}
-
-func (ppi *ProfilePicInfo) DownloadBytes() ([]byte, error) {
-	body, err := ppi.Download()
-	if err != nil {
-		return nil, err
-	}
-	defer body.Close()
-	data, err := ioutil.ReadAll(body)
-	return data, err
-}
-
-func (ext *ExtendedConn) GetProfilePicThumb(jid string) (*ProfilePicInfo, error) {
-	data, err := ext.Conn.GetProfilePicThumb(jid)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get avatar: %v", err)
-	}
-	content := <-data
-	info := &ProfilePicInfo{}
-	err = json.Unmarshal([]byte(content), info)
-	if err != nil {
-		return info, fmt.Errorf("failed to unmarshal avatar info: %v", err)
-	}
-	return info, nil
-}
diff --git a/vendor/github.com/pkg/errors/.travis.yml b/vendor/github.com/pkg/errors/.travis.yml
index 588ceca1..d4b92663 100644
--- a/vendor/github.com/pkg/errors/.travis.yml
+++ b/vendor/github.com/pkg/errors/.travis.yml
@@ -1,10 +1,14 @@
 language: go
 go_import_path: github.com/pkg/errors
 go:
-  - 1.4.3
-  - 1.5.4
-  - 1.6.2
-  - 1.7.1
+  - 1.4.x
+  - 1.5.x
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
+  - 1.11.x
   - tip
 
 script:
diff --git a/vendor/github.com/pkg/errors/README.md b/vendor/github.com/pkg/errors/README.md
index 273db3c9..6483ba2a 100644
--- a/vendor/github.com/pkg/errors/README.md
+++ b/vendor/github.com/pkg/errors/README.md
@@ -1,4 +1,4 @@
-# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![AppVeyor](https://ci.appveyor.com/api/projects/status/b98mptawhudj53ep/branch/master?svg=true)](https://ci.appveyor.com/project/davecheney/errors/branch/master) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.svg)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors)
+# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![AppVeyor](https://ci.appveyor.com/api/projects/status/b98mptawhudj53ep/branch/master?svg=true)](https://ci.appveyor.com/project/davecheney/errors/branch/master) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.svg)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors) [![Sourcegraph](https://sourcegraph.com/github.com/pkg/errors/-/badge.svg)](https://sourcegraph.com/github.com/pkg/errors?badge)
 
 Package errors provides simple error handling primitives.
 
@@ -47,6 +47,6 @@ We welcome pull requests, bug fixes and issue reports. With that said, the bar f
 
 Before proposing a change, please discuss your change by raising an issue.
 
-## Licence
+## License
 
 BSD-2-Clause
diff --git a/vendor/github.com/pkg/errors/errors.go b/vendor/github.com/pkg/errors/errors.go
index 842ee804..7421f326 100644
--- a/vendor/github.com/pkg/errors/errors.go
+++ b/vendor/github.com/pkg/errors/errors.go
@@ -6,7 +6,7 @@
 //             return err
 //     }
 //
-// which applied recursively up the call stack results in error reports
+// which when applied recursively up the call stack results in error reports
 // without context or debugging information. The errors package allows
 // programmers to add context to the failure path in their code in a way
 // that does not destroy the original value of the error.
@@ -15,16 +15,17 @@
 //
 // The errors.Wrap function returns a new error that adds context to the
 // original error by recording a stack trace at the point Wrap is called,
-// and the supplied message. For example
+// together with the supplied message. For example
 //
 //     _, err := ioutil.ReadAll(r)
 //     if err != nil {
 //             return errors.Wrap(err, "read failed")
 //     }
 //
-// If additional control is required the errors.WithStack and errors.WithMessage
-// functions destructure errors.Wrap into its component operations of annotating
-// an error with a stack trace and an a message, respectively.
+// If additional control is required, the errors.WithStack and
+// errors.WithMessage functions destructure errors.Wrap into its component
+// operations: annotating an error with a stack trace and with a message,
+// respectively.
 //
 // Retrieving the cause of an error
 //
@@ -38,7 +39,7 @@
 //     }
 //
 // can be inspected by errors.Cause. errors.Cause will recursively retrieve
-// the topmost error which does not implement causer, which is assumed to be
+// the topmost error that does not implement causer, which is assumed to be
 // the original cause. For example:
 //
 //     switch err := errors.Cause(err).(type) {
@@ -48,16 +49,16 @@
 //             // unknown error
 //     }
 //
-// causer interface is not exported by this package, but is considered a part
-// of stable public API.
+// Although the causer interface is not exported by this package, it is
+// considered a part of its stable public interface.
 //
 // Formatted printing of errors
 //
 // All error values returned from this package implement fmt.Formatter and can
-// be formatted by the fmt package. The following verbs are supported
+// be formatted by the fmt package. The following verbs are supported:
 //
 //     %s    print the error. If the error has a Cause it will be
-//           printed recursively
+//           printed recursively.
 //     %v    see %s
 //     %+v   extended format. Each Frame of the error's StackTrace will
 //           be printed in detail.
@@ -65,13 +66,13 @@
 // Retrieving the stack trace of an error or wrapper
 //
 // New, Errorf, Wrap, and Wrapf record a stack trace at the point they are
-// invoked. This information can be retrieved with the following interface.
+// invoked. This information can be retrieved with the following interface:
 //
 //     type stackTracer interface {
 //             StackTrace() errors.StackTrace
 //     }
 //
-// Where errors.StackTrace is defined as
+// The returned errors.StackTrace type is defined as
 //
 //     type StackTrace []Frame
 //
@@ -85,8 +86,8 @@
 //             }
 //     }
 //
-// stackTracer interface is not exported by this package, but is considered a part
-// of stable public API.
+// Although the stackTracer interface is not exported by this package, it is
+// considered a part of its stable public interface.
 //
 // See the documentation for Frame.Format for more details.
 package errors
@@ -192,7 +193,7 @@ func Wrap(err error, message string) error {
 }
 
 // Wrapf returns an error annotating err with a stack trace
-// at the point Wrapf is call, and the format specifier.
+// at the point Wrapf is called, and the format specifier.
 // If err is nil, Wrapf returns nil.
 func Wrapf(err error, format string, args ...interface{}) error {
 	if err == nil {
@@ -220,6 +221,18 @@ func WithMessage(err error, message string) error {
 	}
 }
 
+// WithMessagef annotates err with the format specifier.
+// If err is nil, WithMessagef returns nil.
+func WithMessagef(err error, format string, args ...interface{}) error {
+	if err == nil {
+		return nil
+	}
+	return &withMessage{
+		cause: err,
+		msg:   fmt.Sprintf(format, args...),
+	}
+}
+
 type withMessage struct {
 	cause error
 	msg   string
diff --git a/vendor/github.com/pkg/errors/stack.go b/vendor/github.com/pkg/errors/stack.go
index 6b1f2891..2874a048 100644
--- a/vendor/github.com/pkg/errors/stack.go
+++ b/vendor/github.com/pkg/errors/stack.go
@@ -46,7 +46,8 @@ func (f Frame) line() int {
 //
 // Format accepts flags that alter the printing of some verbs, as follows:
 //
-//    %+s   path of source file relative to the compile time GOPATH
+//    %+s   function name and path of source file relative to the compile time
+//          GOPATH separated by \n\t (<funcname>\n\t<path>)
 //    %+v   equivalent to %+s:%d
 func (f Frame) Format(s fmt.State, verb rune) {
 	switch verb {
@@ -79,6 +80,14 @@ func (f Frame) Format(s fmt.State, verb rune) {
 // StackTrace is stack of Frames from innermost (newest) to outermost (oldest).
 type StackTrace []Frame
 
+// Format formats the stack of Frames according to the fmt.Formatter interface.
+//
+//    %s	lists source files for each Frame in the stack
+//    %v	lists the source file and line number for each Frame in the stack
+//
+// Format accepts flags that alter the printing of some verbs, as follows:
+//
+//    %+v   Prints filename, function, and line number for each Frame in the stack.
 func (st StackTrace) Format(s fmt.State, verb rune) {
 	switch verb {
 	case 'v':
@@ -136,43 +145,3 @@ func funcname(name string) string {
 	i = strings.Index(name, ".")
 	return name[i+1:]
 }
-
-func trimGOPATH(name, file string) string {
-	// Here we want to get the source file path relative to the compile time
-	// GOPATH. As of Go 1.6.x there is no direct way to know the compiled
-	// GOPATH at runtime, but we can infer the number of path segments in the
-	// GOPATH. We note that fn.Name() returns the function name qualified by
-	// the import path, which does not include the GOPATH. Thus we can trim
-	// segments from the beginning of the file path until the number of path
-	// separators remaining is one more than the number of path separators in
-	// the function name. For example, given:
-	//
-	//    GOPATH     /home/user
-	//    file       /home/user/src/pkg/sub/file.go
-	//    fn.Name()  pkg/sub.Type.Method
-	//
-	// We want to produce:
-	//
-	//    pkg/sub/file.go
-	//
-	// From this we can easily see that fn.Name() has one less path separator
-	// than our desired output. We count separators from the end of the file
-	// path until it finds two more than in the function name and then move
-	// one character forward to preserve the initial path segment without a
-	// leading separator.
-	const sep = "/"
-	goal := strings.Count(name, sep) + 2
-	i := len(file)
-	for n := 0; n < goal; n++ {
-		i = strings.LastIndex(file[:i], sep)
-		if i == -1 {
-			// not enough separators found, set i so that the slice expression
-			// below leaves file unmodified
-			i = -len(sep)
-			break
-		}
-	}
-	// get back to 0 or trim the leading separator
-	file = file[i+len(sep):]
-	return file
-}