basic w30 sending and receiving

src/chat.rs

@@ -37,6 +37,7 @@ use crate::mimeparser::SystemMessage;
 use crate::param::{Param, Params};
 use crate::peerstate::{Peerstate, PeerstateVerifiedStatus};
 use crate::stock_str;
+use crate::w30::W30_SUFFIX;
 
 /// An chat item, such as a message or a marker.
 #[derive(Debug, Copy, Clone)]
@@ -645,6 +646,9 @@ impl ChatId {
                     .await?
                     .context("no file stored in params")?;
                 msg.param.set(Param::File, blob.as_name());
+                if blob.suffix() == Some(W30_SUFFIX) {
+                    msg.viewtype = Viewtype::W30;
+                }
             }
         }
 
@@ -1796,6 +1800,7 @@ pub(crate) fn msgtype_has_file(msgtype: Viewtype) -> bool {
         Viewtype::Video => true,
         Viewtype::File => true,
         Viewtype::VideochatInvitation => false,
+        Viewtype::W30 => true,
     }
 }
 
@@ -1836,6 +1841,11 @@ async fn prepare_msg_blob(context: &Context, msg: &mut Message) -> Result<()> {
                 msg.param.set(Param::MimeType, mime);
             }
         }
+
+        if msg.viewtype == Viewtype::W30 && blob.suffix() != Some(W30_SUFFIX) {
+            bail!("w30 message {} does not have suffix {}", blob, W30_SUFFIX);
+        }
+
         info!(
             context,
             "Attaching \"{}\" for message type #{}.",