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-rw-r--r--app/webhook.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/app/webhook.go b/app/webhook.go
index dbe444a25..231fe1529 100644
--- a/app/webhook.go
+++ b/app/webhook.go
@@ -131,6 +131,11 @@ func (a *App) CreateWebhookPost(userId string, channel *model.Channel, text, ove
post := &model.Post{UserId: userId, ChannelId: channel.Id, Message: text, Type: postType}
post.AddProp("from_webhook", "true")
+ if strings.HasPrefix(post.Type, model.POST_SYSTEM_MESSAGE_PREFIX) {
+ err := model.NewAppError("CreateWebhookPost", "api.context.invalid_param.app_error", map[string]interface{}{"Name": "post.type"}, "", http.StatusBadRequest)
+ return nil, err
+ }
+
if metrics := a.Metrics; metrics != nil {
metrics.IncrementWebhookPost()
}