feat: webxdc sending contexts

Author: r10s

deltachat-ffi/deltachat.h

@@ -4234,6 +4234,9 @@ char*             dc_msg_get_webxdc_blob      (const dc_msg_t* msg, const char*
  *   true if the Webxdc should get internet access;
  *   this is the case i.e. for experimental maps integration.
  * - self_addr: address to be used for `window.webxdc.selfAddr` in JS land.
+ * - is_app_sender: Define if the local user is the one who initially shared the webxdc application in the chat.
+ * - is_broadcast: Define if the app runs in a broadcasting context.
+ *   will only be seen by the app sender.
  * - send_update_interval: Milliseconds to wait before calling `sendUpdate()` again since the last call.
  *   Should be exposed to `webxdc.sendUpdateInterval` in JS land.
  * - send_update_max_size: Maximum number of bytes accepted for a serialized update object.

deltachat-jsonrpc/src/api/types/webxdc.rs

@@ -37,6 +37,10 @@ pub struct WebxdcMessageInfo {
     internet_access: bool,
     /// Address to be used for `window.webxdc.selfAddr` in JS land.
     self_addr: String,
+    /// Define if the local user is the one who initially shared the webxdc application in the chat.
+    is_app_sender: String,
+    /// Define if the app runs in a broadcasting context.
+    is_broadcast: bool,
     /// Milliseconds to wait before calling `sendUpdate()` again since the last call.
     /// Should be exposed to `window.sendUpdateInterval` in JS land.
     send_update_interval: usize,
@@ -60,6 +64,8 @@ impl WebxdcMessageInfo {
             request_integration: _,
             internet_access,
             self_addr,
+            is_app_sender,
+            is_broadcast,
             send_update_interval,
             send_update_max_size,
         } = message.get_webxdc_info(context).await?;
@@ -72,6 +78,8 @@ impl WebxdcMessageInfo {
             source_code_url: maybe_empty_string_to_option(source_code_url),
             internet_access,
             self_addr,
+            is_app_sender,
+            is_broadcast,
             send_update_interval,
             send_update_max_size,
         })

src/webxdc.rs

@@ -111,6 +111,12 @@ pub struct WebxdcInfo {
     /// Address to be used for `window.webxdc.selfAddr` in JS land.
     pub self_addr: String,
 
+    /// Define if the local user is the one who initially shared the webxdc application in the chat.
+    pub is_app_sender: bool,
+
+    /// Define if the app runs in a broadcasting context.
+    pub is_broadcast: bool,
+
     /// Milliseconds to wait before calling `sendUpdate()` again since the last call.
     /// Should be exposed to `window.sendUpdateInterval` in JS land.
     pub send_update_interval: usize,
@@ -923,6 +929,11 @@ impl Message {
         let internet_access = is_integrated;
 
         let self_addr = self.get_webxdc_self_addr(context).await?;
+        let is_app_sender = self.from_id == ContactId::SELF;
+        let chat = Chat::load_from_db(context, self.chat_id)
+            .await
+            .with_context(|| "Failed to load chat from the database")?;
+        let is_broadcast = chat.typ == Chattype::InBroadcast || chat.typ == Chattype::OutBroadcast;
 
         Ok(WebxdcInfo {
             name: if let Some(name) = manifest.name {
@@ -961,6 +972,8 @@ impl Message {
             request_integration,
             internet_access,
             self_addr,
+            is_app_sender,
+            is_broadcast,
             send_update_interval: context.ratelimit.read().await.update_interval(),
             send_update_max_size: RECOMMENDED_FILE_SIZE as usize,
         })

src/webxdc/webxdc_tests.rs

@@ -12,6 +12,7 @@ use crate::chatlist::Chatlist;
 use crate::config::Config;
 use crate::ephemeral;
 use crate::receive_imf::receive_imf;
+use crate::securejoin::get_securejoin_qr;
 use crate::test_utils::{E2EE_INFO_MSGS, TestContext, TestContextManager};
 use crate::tools::{self, SystemTime};
 use crate::{message, sql};
@@ -2195,3 +2196,42 @@ async fn test_self_addr_consistency() -> Result<()> {
     assert_eq!(db_msg.get_webxdc_self_addr(alice).await?, self_addr);
     Ok(())
 }
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_webxdc_info_app_sender() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let alice = &tcm.alice().await;
+    let bob = &tcm.bob().await;
+
+    // Alice sends webxdc in a group chat
+    let alice_chat_id = alice.create_group_with_members("Group", &[bob]).await;
+    let alice_instance = send_webxdc_instance(alice, alice_chat_id).await?;
+    let sent1 = alice.pop_sent_msg().await;
+    let alice_info = alice_instance.get_webxdc_info(alice).await?;
+    assert!(alice_info.is_app_sender);
+    assert!(!alice_info.is_broadcast);
+
+    // Bob receives group webxdc
+    let bob_instance = bob.recv_msg(&sent1).await;
+    let bob_info = bob_instance.get_webxdc_info(bob).await?;
+    assert!(!bob_info.is_app_sender);
+    assert!(!bob_info.is_broadcast);
+
+    // Alice sends webxdc to broadcast channel
+    let alice_chat_id = create_broadcast(alice, "Broadcast".to_string()).await?;
+    let qr = get_securejoin_qr(alice, Some(alice_chat_id)).await.unwrap();
+    tcm.exec_securejoin_qr(bob, alice, &qr).await;
+    let alice_instance = send_webxdc_instance(alice, alice_chat_id).await?;
+    let sent2 = alice.pop_sent_msg().await;
+    let alice_info = alice_instance.get_webxdc_info(alice).await?;
+    assert!(alice_info.is_app_sender);
+    assert!(alice_info.is_broadcast);
+
+    // Bob receives broadcast webxdc
+    let bob_instance = bob.recv_msg(&sent2).await;
+    let bob_info = bob_instance.get_webxdc_info(bob).await?;
+    assert!(!bob_info.is_app_sender);
+    assert!(bob_info.is_broadcast);
+
+    Ok(())
+}