Only accept certain formats.

discordMessage.go

@@ -109,6 +109,18 @@ func handlePM(s *discordgo.Session, m *discordgo.MessageCreate) {
 		s.ChannelMessageSend(m.ChannelID, "You have tried to send an unsupported file (HEIC). Please try again using an image (jpeg, jpg, png, etc).")
 		return
 	}
+	if strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "MP4") {
+		s.ChannelMessageSend(m.ChannelID, "You have tried to send an unsupported file (MP4 Video). Please try again using an image (jpeg, jpg, png, etc).")
+		return
+	}
+	if strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "MP3") {
+		s.ChannelMessageSend(m.ChannelID, "You have tried to send an unsupported file (MP3 Audio). Please try again using an image (jpeg, jpg, png, etc).")
+		return
+	}
+	if !strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "JPG") || !strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "JPEG") || !strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "PNG") || !strings.HasSuffix(strings.ToUpper(m.Attachments[0].ProxyURL), "BMP") {
+		s.ChannelMessageSend(config.AdminChannel, "You have tried to send an unsupported file. Please try again using an image (jpeg, jpg, png, etc).")
+		//return
+	}
 	delete(config.Unverified, m.Author.ID)
 	var v Verification
 	v.Submitted = time.Now()