Switched to custom discordgo branch

bridge/discord/discord.go

@@ -261,16 +261,11 @@ func (b *Bdiscord) Send(msg config.Message) (string, error) {
 				return "", err
 			}
 		}
-		msg, err := b.webhookExecute(
-			wID,
-			wToken,
-			true,
-			&discordgo.WebhookParams{
-				Content:   msg.Text,
-				Username:  msg.Username,
-				AvatarURL: msg.Avatar,
-			})
-		return msg.ID, err
+		msg, err := b.webhookSend(&msg, wID, wToken)
+		if err != nil {
+			return "", err
+		}
+		return msg.ID, nil
 	}
 
 	b.Log.Debugf("Broadcasting using token (API)")
@@ -376,3 +371,51 @@ func (b *Bdiscord) handleUploadFile(msg *config.Message, channelID string) (stri
 	}
 	return "", nil
 }
+
+// webhookSend send one or more message via webhook, taking care of file
+// uploads (from slack, telegram or mattermost).
+// Returns messageID and error.
+func (b *Bdiscord) webhookSend(msg *config.Message, webhookID, token string) (*discordgo.Message, error) {
+	var err error
+
+	// WebhookParams can have either `Content` or `File`.
+	res, err := b.c.WebhookExecute(
+		webhookID,
+		token,
+		true,
+		&discordgo.WebhookParams{
+			Content:   msg.Text,
+			Username:  msg.Username,
+			AvatarURL: msg.Avatar,
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	if msg.Extra != nil {
+		for _, f := range msg.Extra["file"] {
+			fi := f.(config.FileInfo)
+			file := discordgo.File{
+				Name:        fi.Name,
+				ContentType: "",
+				Reader:      bytes.NewReader(*fi.Data),
+			}
+			_, err := b.c.WebhookExecute(
+				webhookID,
+				token,
+				false,
+				&discordgo.WebhookParams{
+					Username:  msg.Username,
+					AvatarURL: msg.Avatar,
+					File:      &file,
+				},
+			)
+			if err != nil {
+				return nil, fmt.Errorf("file upload failed: %s", err)
+			}
+		}
+	}
+
+	return res, nil
+}

bridge/discord/helpers.go

@@ -1,7 +1,6 @@
 package bdiscord
 
 import (
-	"encoding/json"
 	"errors"
 	"regexp"
 	"strings"
@@ -236,26 +235,3 @@ func enumerateUsernames(s string) []string {
 	}
 	return usernames
 }
-
-// webhookExecute executes a webhook.
-// webhookID: The ID of a webhook.
-// token    : The auth token for the webhook
-// wait	    : Waits for server confirmation of message send and ensures that the return struct is populated (it is nil otherwise)
-func (b *Bdiscord) webhookExecute(webhookID, token string, wait bool, data *discordgo.WebhookParams) (st *discordgo.Message, err error) {
-	uri := discordgo.EndpointWebhookToken(webhookID, token)
-
-	if wait {
-		uri += "?wait=true"
-	}
-	response, err := b.c.RequestWithBucketID("POST", uri, data, discordgo.EndpointWebhookToken("", ""))
-	if !wait || err != nil {
-		return nil, err
-	}
-
-	err = json.Unmarshal(response, &st)
-	if err != nil {
-		return nil, discordgo.ErrJSONUnmarshal
-	}
-
-	return st, nil
-}

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/Philipp15b/go-steam v1.0.1-0.20180818081528-681bd9573329
 	github.com/Rhymen/go-whatsapp v0.0.2
 	github.com/bwmarrin/discordgo v0.19.0
+	// github.com/bwmarrin/discordgo v0.19.0
 	github.com/d5/tengo v1.24.1
 	github.com/dfordsoft/golib v0.0.0-20180902042739-76ee6ab99bec
 	github.com/fsnotify/fsnotify v1.4.7
@@ -64,3 +65,5 @@ require (
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 )
+
+replace github.com/bwmarrin/discordgo v0.19.0 => github.com/MOZGIII/discordgo v0.19.1-0.20190812115637-1e74183814f9

go.sum

@@ -7,6 +7,8 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Jeffail/gabs v1.1.1 h1:V0uzR08Hj22EX8+8QMhyI9sX2hwRu+/RJhJUmnwda/E=
 github.com/Jeffail/gabs v1.1.1/go.mod h1:6xMvQMK4k33lb7GUUpaAPh6nKMmemQeg5d4gn7/bOXc=
+github.com/MOZGIII/discordgo v0.19.1-0.20190812115637-1e74183814f9 h1:2AlsZSdWfhhuyzNgRejZDkkLq1cAA2K8TaMoadSXeJE=
+github.com/MOZGIII/discordgo v0.19.1-0.20190812115637-1e74183814f9/go.mod h1:O9S4p+ofTFwB02em7jkpkV8M3R0/PUVOwN61zSZ0r4Q=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Philipp15b/go-steam v1.0.1-0.20180818081528-681bd9573329 h1:xZBoq249G9MSt+XuY7sVQzcfONJ6IQuwpCK+KAaOpnY=
 github.com/Philipp15b/go-steam v1.0.1-0.20180818081528-681bd9573329/go.mod h1:HuVM+sZFzumUdKPWiz+IlCMb4RdsKdT3T+nQBKL+sYg=
@@ -24,8 +26,6 @@ github.com/alexcesaro/log v0.0.0-20150915221235-61e686294e58/go.mod h1:YNfsMyWSs
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/bwmarrin/discordgo v0.19.0 h1:kMED/DB0NR1QhRcalb85w0Cu3Ep2OrGAqZH1R5awQiY=
-github.com/bwmarrin/discordgo v0.19.0/go.mod h1:O9S4p+ofTFwB02em7jkpkV8M3R0/PUVOwN61zSZ0r4Q=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=