CHANGELOG.adoc

@@ -18,6 +18,7 @@
 - sdk: implement decompiling Lua files
 - dtmm: fetch cover image for Nexus mods
 - dtmm: fetch file version for Nexus mods
+- dtmm: handle `nxm://` URIs via IPC and import the corresponding mod
 
 === Fixed
 

Cargo.lock

@@ -218,6 +218,15 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bindgen"
 version = "0.64.0"
@@ -895,6 +904,7 @@ version = "0.1.0"
 dependencies = [
  "ansi-parser",
  "async-recursion",
+ "bincode",
  "bitflags 1.3.2",
  "clap",
  "color-eyre",
@@ -904,6 +914,7 @@ dependencies = [
  "druid-widget-nursery",
  "dtmt-shared",
  "futures",
+ "interprocess",
  "lazy_static",
  "luajit2-sys",
  "minijinja",
@@ -1833,6 +1844,19 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "interprocess"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81f2533f3be42fffe3b5e63b71aeca416c1c3bc33e4e27be018521e76b1f38fb"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "rustc_version",
+ "to_method",
+ "winapi",
+]
+
 [[package]]
 name = "intl-memoizer"
 version = "0.5.1"
@@ -3517,6 +3541,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
+[[package]]
+name = "to_method"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7c4ceeeca15c8384bbc3e011dbd8fccb7f068a440b752b7d9b32ceb0ca0e2e8"
+
 [[package]]
 name = "tokio"
 version = "1.33.0"

crates/dtmm/Cargo.toml

@@ -6,33 +6,35 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+ansi-parser = "0.9.0"
+async-recursion = "1.0.5"
+bincode = "1.3.3"
 bitflags = "1.3.2"
 clap = { version = "4.0.15", features = ["color", "derive", "std", "cargo", "string", "unicode"] }
 color-eyre = "0.6.2"
+colors-transform = "0.2.11"
 confy = "0.5.1"
 druid = { version = "0.8", features = ["im", "serde", "image", "png", "jpeg", "bmp", "webp", "svg"] }
+druid-widget-nursery = "0.1"
 dtmt-shared = { path = "../../lib/dtmt-shared", version = "*" }
 futures = "0.3.25"
-oodle = { path = "../../lib/oodle", version = "*" }
-sdk = { path = "../../lib/sdk", version = "*" }
+interprocess = { version = "1.2.1", default-features = false }
+lazy_static = "1.4.0"
+luajit2-sys = { path = "../../lib/luajit2-sys", version = "*" }
+minijinja = "1.0.10"
 nexusmods = { path = "../../lib/nexusmods", version = "*" }
-serde_sjson = { path = "../../lib/serde_sjson", version = "*" }
+oodle = { path = "../../lib/oodle", version = "*" }
+path-slash = "0.2.1"
+sdk = { path = "../../lib/sdk", version = "*" }
 serde = { version = "1.0.152", features = ["derive", "rc"] }
+serde_sjson = { path = "../../lib/serde_sjson", version = "*" }
+string_template = "0.2.1"
+strip-ansi-escapes = "0.1.1"
+time = { version = "0.3.20", features = ["serde", "serde-well-known", "local-offset"] }
 tokio = { version = "1.23.0", features = ["rt", "fs", "tracing", "sync"] }
+tokio-stream = { version = "0.1.12", features = ["fs"] }
 tracing = "0.1.37"
 tracing-error = "0.2.0"
 tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }
-zip = "0.6.4"
-tokio-stream = { version = "0.1.12", features = ["fs"] }
-path-slash = "0.2.1"
-time = { version = "0.3.20", features = ["serde", "serde-well-known", "local-offset"] }
-strip-ansi-escapes = "0.1.1"
-lazy_static = "1.4.0"
-colors-transform = "0.2.11"
 usvg = "0.25.0"
-druid-widget-nursery = "0.1"
-ansi-parser = "0.9.0"
-string_template = "0.2.1"
-luajit2-sys = { path = "../../lib/luajit2-sys", version = "*" }
-async-recursion = "1.0.5"
-minijinja = "1.0.10"
+zip = "0.6.4"

crates/dtmm/assets/dtmm.desktop

@@ -0,0 +1,10 @@
+[Desktop Entry]
+Name=DTMM
+GenericName=Mod Manager
+Comment=A graphical mod manager for Warhammer 40,000: Darktide
+Exec=dtmm %u
+Type=Application
+Keywords=Mod;
+StartupNotify=true
+Categories=Utility;
+MimeType=x-scheme-handler/nxm;

crates/dtmm/src/controller/import.rs

@@ -405,11 +405,10 @@ fn extract_legacy_mod<R: Read + Seek>(
 }
 
 #[tracing::instrument(skip(state))]
-pub(crate) async fn import_mod(state: ActionState, info: FileInfo) -> Result<ModInfo> {
+pub(crate) async fn import_from_file(state: ActionState, info: FileInfo) -> Result<ModInfo> {
     let data = fs::read(&info.path)
         .await
         .wrap_err_with(|| format!("Failed to read file {}", info.path.display()))?;
-    let data = Cursor::new(data);
 
     let nexus = if let Some((_, id, version, timestamp)) = info
         .path
@@ -450,6 +449,32 @@ pub(crate) async fn import_mod(state: ActionState, info: FileInfo) -> Result<Mod
 
     tracing::trace!(?nexus);
 
+    import_mod(state, nexus, data).await
+}
+
+#[tracing::instrument(skip(state))]
+pub(crate) async fn import_from_nxm(state: ActionState, uri: String) -> Result<ModInfo> {
+    let url = uri
+        .parse()
+        .wrap_err_with(|| format!("Invalid Uri '{}'", uri))?;
+
+    let api = NexusApi::new(state.nexus_api_key.to_string())?;
+    let (mod_info, file_info, data) = api
+        .handle_nxm(url)
+        .await
+        .wrap_err_with(|| format!("Failed to download mod from NXM uri '{}'", uri))?;
+
+    let nexus = NexusInfo::from(mod_info);
+    import_mod(state, Some((nexus, file_info.version)), data).await
+}
+
+#[tracing::instrument(skip(state, data), fields(data = data.len()))]
+pub(crate) async fn import_mod(
+    state: ActionState,
+    nexus: Option<(NexusInfo, String)>,
+    data: Vec<u8>,
+) -> Result<ModInfo> {
+    let data = Cursor::new(data);
     let mut archive = ZipArchive::new(data).wrap_err("Failed to open ZIP archive")?;
 
     if tracing::enabled!(tracing::Level::DEBUG) {

crates/dtmm/src/controller/worker.rs

@@ -15,7 +15,7 @@ use tokio::sync::RwLock;
 use crate::controller::app::*;
 use crate::controller::deploy::deploy_mods;
 use crate::controller::game::*;
-use crate::controller::import::import_mod;
+use crate::controller::import::*;
 use crate::state::AsyncAction;
 use crate::state::ACTION_FINISH_CHECK_UPDATE;
 use crate::state::ACTION_FINISH_LOAD_INITIAL;
@@ -57,7 +57,7 @@ async fn handle_action(
                     .expect("failed to send command");
             }),
             AsyncAction::AddMod(state, info) => tokio::spawn(async move {
-                match import_mod(state, info)
+                match import_from_file(state, info)
                     .await
                     .wrap_err("Failed to import mod")
                 {
@@ -186,6 +186,28 @@ async fn handle_action(
                     let _ = f.write_all(&line).await;
                 }
             }),
+            AsyncAction::NxmDownload(state, uri) => tokio::spawn(async move {
+                match import_from_nxm(state, uri)
+                    .await
+                    .wrap_err("Failed to handle NXM URI")
+                {
+                    Ok(mod_info) => {
+                        event_sink
+                            .write()
+                            .await
+                            .submit_command(
+                                ACTION_FINISH_ADD_MOD,
+                                SingleUse::new(Arc::new(mod_info)),
+                                Target::Auto,
+                            )
+                            .expect("failed to send command");
+                    }
+                    Err(err) => {
+                        tracing::error!("{:?}", err);
+                        send_error(event_sink.clone(), err).await;
+                    }
+                }
+            }),
         };
     }
 }

crates/dtmm/src/main.rs

@@ -10,12 +10,13 @@ use std::sync::Arc;
 use clap::parser::ValueSource;
 use clap::{command, value_parser, Arg};
 use color_eyre::eyre::{self, Context};
-use color_eyre::{Report, Result};
+use color_eyre::{Report, Result, Section};
 use druid::AppLauncher;
+use interprocess::local_socket::{LocalSocketListener, LocalSocketStream};
 use tokio::sync::RwLock;
 
 use crate::controller::worker::work_thread;
-use crate::state::AsyncAction;
+use crate::state::{AsyncAction, ACTION_HANDLE_NXM};
 use crate::state::{Delegate, State};
 use crate::ui::theme;
 use crate::util::log::LogLevel;
@@ -29,6 +30,37 @@ mod util {
 }
 mod ui;
 
+// As explained in https://docs.rs/interprocess/latest/interprocess/local_socket/enum.NameTypeSupport.html
+// namespaces are supported on both platforms we care about: Windows and Linux.
+const IPC_ADDRESS: &str = "@dtmm.sock";
+
+#[tracing::instrument]
+fn notify_nxm_download(
+    uri: impl AsRef<str> + std::fmt::Debug,
+    level: Option<LogLevel>,
+) -> Result<()> {
+    util::log::create_tracing_subscriber(level, None);
+
+    tracing::debug!("Received Uri '{}', sending to main process.", uri.as_ref());
+
+    let mut stream = LocalSocketStream::connect(IPC_ADDRESS)
+        .wrap_err_with(|| format!("Failed to connect to '{}'", IPC_ADDRESS))
+        .suggestion("Make sure the main window is open.")?;
+
+    tracing::debug!("Connected to main process at '{}'", IPC_ADDRESS);
+
+    bincode::serialize_into(&mut stream, uri.as_ref()).wrap_err("Failed to send URI")?;
+
+    // We don't really care what the message is, we just need an acknowledgement.
+    let _: String = bincode::deserialize_from(&mut stream).wrap_err("Failed to receive reply")?;
+
+    tracing::info!(
+        "Notified DTMM with uri '{}'. Check the main window.",
+        uri.as_ref()
+    );
+    Ok(())
+}
+
 #[tracing::instrument]
 fn main() -> Result<()> {
     color_eyre::install()?;
@@ -53,15 +85,25 @@ fn main() -> Result<()> {
                 .value_parser(value_parser!(LogLevel))
                 .default_value("info"),
         )
+        .arg(
+            Arg::new("nxm")
+                .help("An `nxm://` URI to download")
+                .required(false),
+        )
         .get_matches();
 
-    let (log_tx, log_rx) = tokio::sync::mpsc::unbounded_channel();
     let level = if matches.value_source("log-level") == Some(ValueSource::DefaultValue) {
         None
     } else {
         matches.get_one::<LogLevel>("log-level").cloned()
     };
-    util::log::create_tracing_subscriber(log_tx, level);
+
+    if let Some(uri) = matches.get_one::<String>("nxm") {
+        return notify_nxm_download(uri, level).wrap_err("Failed to send NXM Uri to main window.");
+    }
+
+    let (log_tx, log_rx) = tokio::sync::mpsc::unbounded_channel();
+    util::log::create_tracing_subscriber(level, Some(log_tx));
 
     let (action_tx, action_rx) = tokio::sync::mpsc::unbounded_channel();
 
@@ -84,6 +126,59 @@ fn main() -> Result<()> {
 
     let event_sink = launcher.get_external_handle();
 
+    {
+        let span = tracing::info_span!(IPC_ADDRESS, "nxm-socket");
+        let _guard = span.enter();
+
+        let event_sink = event_sink.clone();
+        let server =
+            LocalSocketListener::bind(IPC_ADDRESS).wrap_err("Failed to create IPC listener")?;
+
+        tracing::debug!("IPC server listening on '{}'", IPC_ADDRESS);
+
+        // Drop the guard here, so that we can re-enter the same span in the thread.
+        drop(_guard);
+
+        std::thread::Builder::new()
+            .name("nxm-socket".into())
+            .spawn(move || {
+                let _guard = span.enter();
+
+                loop {
+                    let res = server.accept().wrap_err_with(|| {
+                        format!("IPC server failed to listen on '{}'", IPC_ADDRESS)
+                    });
+
+                    match res {
+                        Ok(mut stream) => {
+                            let res = bincode::deserialize_from(&mut stream)
+                                .wrap_err("Failed to read message")
+                                .and_then(|uri: String| {
+                                    tracing::trace!(uri, "Received NXM uri");
+
+                                    event_sink
+                                        .submit_command(ACTION_HANDLE_NXM, uri, druid::Target::Auto)
+                                        .wrap_err("Failed to start NXM download")
+                                });
+                            match res {
+                                Ok(()) => {
+                                    let _ = bincode::serialize_into(&mut stream, "Ok");
+                                }
+                                Err(err) => {
+                                    tracing::error!("{:?}", err);
+                                    let _ = bincode::serialize_into(&mut stream, "Error");
+                                }
+                            }
+                        }
+                        Err(err) => {
+                            tracing::error!("Failed to receive client connection: {:?}", err)
+                        }
+                    }
+                }
+            })
+            .wrap_err("Failed to create thread")?;
+    }
+
     std::thread::Builder::new()
         .name("work-thread".into())
         .spawn(move || {
@@ -97,7 +192,7 @@ fn main() -> Result<()> {
                 }
             }
         })
-        .wrap_err("Work thread panicked")?;
+        .wrap_err("Failed to create thread")?;
 
     launcher.launch(State::new()).map_err(Report::new)
 }

crates/dtmm/src/state/data.rs

@@ -95,7 +95,7 @@ impl From<NexusMod> for NexusInfo {
     }
 }
 
-#[derive(Clone, Data, Debug, Lens)]
+#[derive(Clone, Data, Lens)]
 pub(crate) struct ModInfo {
     pub id: String,
     pub name: String,
@@ -118,6 +118,39 @@ pub(crate) struct ModInfo {
     pub nexus: Option<NexusInfo>,
 }
 
+impl std::fmt::Debug for ModInfo {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("ModInfo")
+            .field("id", &self.id)
+            .field("name", &self.name)
+            .field("summary", &self.summary)
+            .field(
+                "description",
+                &(match &self.description {
+                    Some(desc) => format!("Some(String[0..{}])", desc.len()),
+                    None => "None".to_string(),
+                }),
+            )
+            .field("categories", &self.categories)
+            .field("author", &self.author)
+            .field(
+                "image",
+                &(match &self.image {
+                    Some(image) => format!("Some(ImageBuf[{}x{}])", image.width(), image.height()),
+                    None => "None".to_string(),
+                }),
+            )
+            .field("version", &self.version)
+            .field("enabled", &self.enabled)
+            .field("packages", &format!("Vec[0..{}]", self.packages.len()))
+            .field("resources", &self.resources)
+            .field("depends", &self.depends)
+            .field("bundled", &self.bundled)
+            .field("nexus", &self.nexus)
+            .finish()
+    }
+}
+
 impl ModInfo {
     pub fn new(
         cfg: ModConfig,

crates/dtmm/src/state/delegate.rs

@@ -32,6 +32,7 @@ pub(crate) const ACTION_START_RESET_DEPLOYMENT: Selector =
 pub(crate) const ACTION_FINISH_RESET_DEPLOYMENT: Selector =
     Selector::new("dtmm.action.finish-reset-deployment");
 
+pub(crate) const ACTION_HANDLE_NXM: Selector<String> = Selector::new("dtmm.action.handle-nxm");
 pub(crate) const ACTION_ADD_MOD: Selector<FileInfo> = Selector::new("dtmm.action.add-mod");
 pub(crate) const ACTION_FINISH_ADD_MOD: Selector<SingleUse<Arc<ModInfo>>> =
     Selector::new("dtmm.action.finish-add-mod");
@@ -97,6 +98,7 @@ pub(crate) enum AsyncAction {
     CheckUpdates(ActionState),
     LoadInitial((PathBuf, bool)),
     Log((ActionState, Vec<u8>)),
+    NxmDownload(ActionState, String),
 }
 
 impl std::fmt::Debug for AsyncAction {
@@ -116,6 +118,9 @@ impl std::fmt::Debug for AsyncAction {
                 path, is_default
             ),
             AsyncAction::Log(_) => write!(f, "AsyncAction::Log(_)"),
+            AsyncAction::NxmDownload(_, uri) => {
+                write!(f, "AsyncAction::NxmDownload(_state, {})", uri)
+            }
         }
     }
 }
@@ -250,6 +255,20 @@ impl AppDelegate<State> for Delegate {
 
                 Handled::Yes
             }
+            cmd if cmd.is(ACTION_HANDLE_NXM) => {
+                let uri = cmd
+                    .get(ACTION_HANDLE_NXM)
+                    .expect("command type match but didn't contain the expected value");
+
+                if self
+                    .sender
+                    .send(AsyncAction::NxmDownload(state.clone().into(), uri.clone()))
+                    .is_err()
+                {
+                    tracing::error!("Failed to queue action to download NXM mod");
+                }
+                Handled::Yes
+            }
             cmd if cmd.is(ACTION_ADD_MOD) => {
                 let info = cmd
                     .get(ACTION_ADD_MOD)

crates/dtmm/src/util/log.rs

@@ -8,7 +8,7 @@ use tracing_subscriber::layer::SubscriberExt;
 use tracing_subscriber::prelude::*;
 use tracing_subscriber::EnvFilter;
 
-#[derive(Clone, Copy, ValueEnum)]
+#[derive(Clone, Copy, Debug, ValueEnum)]
 pub enum LogLevel {
     Trace,
     Debug,
@@ -55,7 +55,7 @@ impl std::io::Write for ChannelWriter {
     }
 }
 
-pub fn create_tracing_subscriber(tx: UnboundedSender<Vec<u8>>, level: Option<LogLevel>) {
+pub fn create_tracing_subscriber(level: Option<LogLevel>, tx: Option<UnboundedSender<Vec<u8>>>) {
     let mut env_layer = if let Some(level) = level {
         EnvFilter::from(level)
     } else if cfg!(debug_assertions) {
@@ -78,11 +78,13 @@ pub fn create_tracing_subscriber(tx: UnboundedSender<Vec<u8>>, level: Option<Log
 
     let stdout_layer = fmt::layer().pretty();
 
-    let channel_layer = fmt::layer()
-        .event_format(dtmt_shared::Formatter)
-        .fmt_fields(debug_fn(dtmt_shared::format_fields))
-        .with_writer(move || ChannelWriter::new(tx.clone()))
-        .with_filter(FilterFn::new(dtmt_shared::filter_fields));
+    let channel_layer = tx.map(|tx| {
+        fmt::layer()
+            .event_format(dtmt_shared::Formatter)
+            .fmt_fields(debug_fn(dtmt_shared::format_fields))
+            .with_writer(move || ChannelWriter::new(tx.clone()))
+            .with_filter(FilterFn::new(dtmt_shared::filter_fields))
+    });
 
     tracing_subscriber::registry()
         .with(env_layer)

lib/nexusmods/src/lib.rs

@@ -136,6 +136,13 @@ impl Api {
             .map_err(From::from)
     }
 
+    #[tracing::instrument(skip(self))]
+    pub async fn get_file_by_id(&self, mod_id: u64, file_id: u64) -> Result<File> {
+        let url = BASE_URL_GAME.join(&format!("mods/{mod_id}/files/{file_id}.json"))?;
+        let req = self.client.get(url);
+        self.send(req).await
+    }
+
     pub fn parse_file_name<S: AsRef<str>>(
         name: S,
     ) -> Option<(String, u64, String, OffsetDateTime)> {
@@ -174,7 +181,7 @@ impl Api {
         self.send(req).await
     }
 
-    pub async fn handle_nxm(&self, url: Url) -> Result<(Mod, Vec<u8>)> {
+    pub async fn handle_nxm(&self, url: Url) -> Result<(Mod, File, Vec<u8>)> {
         let nxm = Self::parse_nxm(url.clone())?;
 
         let user = self.user_validate().await?;
@@ -183,8 +190,9 @@ impl Api {
             return Err(Error::InvalidNXM("user_id mismtach", url));
         }
 
-        let (mod_data, download_info) = futures::try_join!(
+        let (mod_data, file_info, download_info) = futures::try_join!(
             self.mods_id(nxm.mod_id),
+            self.get_file_by_id(nxm.mod_id, nxm.file_id),
             self.mods_download_link(nxm.mod_id, nxm.file_id, nxm.key, nxm.expires)
         )?;
 
@@ -195,7 +203,7 @@ impl Api {
         let req = self.client.get(download_url);
         let data = req.send().await?.bytes().await?;
 
-        Ok((mod_data, data.to_vec()))
+        Ok((mod_data, file_info, data.to_vec()))
     }
 
     pub fn parse_nxm(nxm: Url) -> Result<Nxm> {
@@ -204,17 +212,20 @@ impl Api {
         }
 
         // Now it makes sense, why Nexus calls this field `game_domain_name`, when it's just
-        // another path segmentin the regular API calls.
+        // another path segment in the regular API calls.
         if nxm.host_str() != Some(GAME_ID) {
             return Err(Error::InvalidNXM("Invalid game domain name", nxm));
         }
 
         let Some(mut segments) = nxm.path_segments() else {
-            return Err(Error::InvalidNXM("Cannot be a base", nxm));
+            return Err(Error::InvalidNXM("Missing path segments", nxm));
         };
 
         if segments.next() != Some("mods") {
-            return Err(Error::InvalidNXM("Unexpected path segment", nxm));
+            return Err(Error::InvalidNXM(
+                "Unexpected path segment, expected 'mods'",
+                nxm,
+            ));
         }
 
         let Some(mod_id) = segments.next().and_then(|id| id.parse().ok()) else {
@@ -222,7 +233,10 @@ impl Api {
         };
 
         if segments.next() != Some("files") {
-            return Err(Error::InvalidNXM("Unexpected path segment", nxm));
+            return Err(Error::InvalidNXM(
+                "Unexpected path segment, expected 'files'",
+                nxm,
+            ));
         }
 
         let Some(file_id) = segments.next().and_then(|id| id.parse().ok()) else {
@@ -237,7 +251,7 @@ impl Api {
         }
 
         let Some(key) = query.get("key") else {
-            return Err(Error::InvalidNXM("Missing 'key'", nxm));
+            return Err(Error::InvalidNXM("Missing query field 'key'", nxm));
         };
 
         let expires = query
@@ -245,12 +259,12 @@ impl Api {
             .and_then(|expires| expires.parse().ok())
             .and_then(|expires| OffsetDateTime::from_unix_timestamp(expires).ok());
         let Some(expires) = expires else {
-            return Err(Error::InvalidNXM("Missing 'expires'", nxm));
+            return Err(Error::InvalidNXM("Missing query field 'expires'", nxm));
         };
 
         let user_id = query.get("user_id").and_then(|id| id.parse().ok());
         let Some(user_id) = user_id else {
-            return Err(Error::InvalidNXM("Missing 'user_id'", nxm));
+            return Err(Error::InvalidNXM("Missing query field 'user_id'", nxm));
         };
 
         Ok(Nxm {