fix: Corrupted state should panic

Signed-off-by: quexeky <git@quexeky.dev>

README.md

@@ -1,29 +1,21 @@
-# Drop App
+# Drop Desktop Client
 
-Drop app is the companion app for [Drop](https://github.com/Drop-OSS/drop). It uses a Tauri base with Nuxt 3 + TailwindCSS on top of it, so we can re-use components from the web UI.
+The Drop Desktop Client is the companion app for [Drop](https://github.com/Drop-OSS/drop). It is the official & intended way to download and play games on your Drop server.
 
-## Running
+## Internals
-Before setting up the drop app, be sure that you have a server set up. 
-The instructions for this can be found on the [Drop Docs](https://docs.droposs.org/docs/guides/quickstart)
 
-## Current features
+It uses a Tauri base with Nuxt 3 + TailwindCSS on top of it, so we can re-use components from the web UI.
-Currently supported are the following features:
-- Signin (with custom server)
-- Database registering & recovery
-- Dynamic library fetching from server
-- Installing & uninstalling games
-- Download progress monitoring
-- Launching / playing games
 
 ## Development
+Before setting up a development environemnt, be sure that you have a server set up. The instructions for this can be found on the [Drop Docs](https://docs.droposs.org/docs/guides/quickstart).
 
-Install dependencies with `yarn`
+Then, install dependencies with `yarn`. This'll install the custom builder's dependencies. Then, check everything works properly with `yarn tauri build`. 
 
-Run the app in development with `yarn tauri dev`. NVIDIA users on Linux, use shell script `./nvidia-prop-dev.sh`
+Run the app in development with `yarn tauri dev`. NVIDIA users on Linux, use shell script `./nvidia-prop-dev.sh`
 
 To manually specify the logging level, add the environment variable `RUST_LOG=[debug, info, warn, error]` to `yarn tauri dev`:
 
 e.g. `RUST_LOG=debug yarn tauri dev`
 
 ## Contributing
-Check the original [Drop repo](https://github.com/Drop-OSS/drop/blob/main/CONTRIBUTING.md) for contributing guidelines. 
+Check out the contributing guide on our Developer Docs: [Drop Developer Docs - Contributing](https://developer.droposs.org/contributing).

package.json

@@ -14,7 +14,8 @@
     "@tauri-apps/plugin-os": "^2.3.0",
     "@tauri-apps/plugin-shell": "^2.3.0",
     "pino": "^9.7.0",
-    "pino-pretty": "^13.1.1"
+    "pino-pretty": "^13.1.1",
+    "tauri": "^0.15.0"
   },
   "devDependencies": {
     "@tauri-apps/cli": "^2.7.1"

src-tauri/Cargo.lock

@@ -5671,9 +5671,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-plugin-dialog"
-version = "2.2.2"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a33318fe222fc2a612961de8b0419e2982767f213f54a4d3a21b0d7b85c41df8"
+checksum = "37e5858cc7b455a73ab4ea2ebc08b5be33682c00ff1bf4cad5537d4fb62499d9"
 dependencies = [
  "log",
  "raw-window-handle",
@@ -5689,9 +5689,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-plugin-fs"
-version = "2.3.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33ead0daec5d305adcefe05af9d970fc437bcc7996052d564e7393eb291252da"
+checksum = "8c6ef84ee2f2094ce093e55106d90d763ba343fad57566992962e8f76d113f99"
 dependencies = [
  "anyhow",
  "dunce",
@@ -5751,9 +5751,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-plugin-shell"
-version = "2.2.1"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69d5eb3368b959937ad2aeaf6ef9a8f5d11e01ffe03629d3530707bbcb27ff5d"
+checksum = "2b9ffadec5c3523f11e8273465cacb3d86ea7652a28e6e2a2e9b5c182f791d25"
 dependencies = [
  "encoding_rs",
  "log",

src-tauri/src/client/cleanup.rs

@@ -1,7 +1,7 @@
 use log::{debug, error};
 use tauri::AppHandle;
 
-use crate::AppState;
+use crate::{lock, AppState};
 
 #[tauri::command]
 pub fn quit(app: tauri::AppHandle, state: tauri::State<'_, std::sync::Mutex<AppState<'_>>>) {
@@ -10,7 +10,7 @@ pub fn quit(app: tauri::AppHandle, state: tauri::State<'_, std::sync::Mutex<AppS
 
 pub fn cleanup_and_exit(app: &AppHandle, state: &tauri::State<'_, std::sync::Mutex<AppState<'_>>>) {
     debug!("cleaning up and exiting application");
-    let download_manager = state.lock().unwrap().download_manager.clone();
+    let download_manager = lock!(state).download_manager.clone();
     match download_manager.ensure_terminated() {
         Ok(res) => match res {
             Ok(()) => debug!("download manager terminated correctly"),

src-tauri/src/client/commands.rs

@@ -1,10 +1,10 @@
-use crate::AppState;
+use crate::{lock, AppState};
 
 #[tauri::command]
 pub fn fetch_state(
     state: tauri::State<'_, std::sync::Mutex<AppState<'_>>>,
 ) -> Result<String, String> {
-    let guard = state.lock().unwrap();
+    let guard = lock!(state);
     let cloned_state = serde_json::to_string(&guard.clone()).map_err(|e| e.to_string())?;
     drop(guard);
     Ok(cloned_state)

src-tauri/src/database/commands.rs

@@ -67,11 +67,15 @@ pub fn add_download_dir(new_dir: PathBuf) -> Result<(), DownloadManagerError<()>
 #[tauri::command]
 pub fn update_settings(new_settings: Value) {
     let mut db_lock = borrow_db_mut_checked();
-    let mut current_settings = serde_json::to_value(db_lock.settings.clone()).unwrap();
+    let mut current_settings = serde_json::to_value(db_lock.settings.clone()).expect("Failed to parse existing settings");
-    for (key, value) in new_settings.as_object().unwrap() {
+    let values = match new_settings.as_object() {
+        Some(values) => values,
+        None => { panic!("Could not parse settings values"); },
+    };
+    for (key, value) in values {
         current_settings[key] = value.clone();
     }
-    let new_settings: Settings = serde_json::from_value(current_settings).unwrap();
+    let new_settings: Settings = serde_json::from_value(current_settings).unwrap_or_else(|e| panic!("Failed to parse settings with error {}", e));
     db_lock.settings = new_settings;
 }
 #[tauri::command]

src-tauri/src/database/db.rs

@@ -21,8 +21,13 @@ static DATA_ROOT_PREFIX: &'static str = "drop";
 #[cfg(debug_assertions)]
 static DATA_ROOT_PREFIX: &str = "drop-debug";
 
-pub static DATA_ROOT_DIR: LazyLock<Arc<PathBuf>> =
+pub static DATA_ROOT_DIR: LazyLock<Arc<PathBuf>> = LazyLock::new(|| {
-    LazyLock::new(|| Arc::new(dirs::data_dir().unwrap().join(DATA_ROOT_PREFIX)));
+    Arc::new(
+        dirs::data_dir()
+            .expect("Failed to get data dir")
+            .join(DATA_ROOT_PREFIX),
+    )
+});
 
 // Custom JSON serializer to support everything we need
 #[derive(Debug, Default, Clone)]
@@ -63,13 +68,49 @@ impl DatabaseImpls for DatabaseInterface {
         let pfx_dir = DATA_ROOT_DIR.join("pfx");
 
         debug!("creating data directory at {DATA_ROOT_DIR:?}");
-        create_dir_all(DATA_ROOT_DIR.as_path()).unwrap();
+        create_dir_all(DATA_ROOT_DIR.as_path()).unwrap_or_else(|e| {
-        create_dir_all(&games_base_dir).unwrap();
+            panic!(
-        create_dir_all(&logs_root_dir).unwrap();
+                "Failed to create directory {} with error {}",
-        create_dir_all(&cache_dir).unwrap();
+                DATA_ROOT_DIR.display(),
-        create_dir_all(&pfx_dir).unwrap();
+                e
+            )
+        });
+        create_dir_all(&games_base_dir).unwrap_or_else(|e| {
+            panic!(
+                "Failed to create directory {} with error {}",
+                games_base_dir.display(),
+                e
+            )
+        });
+        create_dir_all(&logs_root_dir).unwrap_or_else(|e| {
+            panic!(
+                "Failed to create directory {} with error {}",
+                logs_root_dir.display(),
+                e
+            )
+        });
+        create_dir_all(&cache_dir).unwrap_or_else(|e| {
+            panic!(
+                "Failed to create directory {} with error {}",
+                cache_dir.display(),
+                e
+            )
+        });
+        create_dir_all(&pfx_dir).unwrap_or_else(|e| {
+            panic!(
+                "Failed to create directory {} with error {}",
+                pfx_dir.display(),
+                e
+            )
+        });
 
-        let exists = fs::exists(db_path.clone()).unwrap();
+        let exists = fs::exists(db_path.clone()).unwrap_or_else(|e| {
+            panic!(
+                "Failed to find if {} exists with error {}",
+                db_path.display(),
+                e
+            )
+        });
 
         if exists {
             match PathDatabase::load_from_path(db_path.clone()) {
@@ -78,21 +119,19 @@ impl DatabaseImpls for DatabaseInterface {
             }
         } else {
             let default = Database::new(games_base_dir, None, cache_dir);
-            debug!(
+            debug!("Creating database at path {}", db_path.display());
-                "Creating database at path {}",
-                db_path.as_os_str().to_str().unwrap()
-            );
             PathDatabase::create_at_path(db_path, default).expect("Database could not be created")
         }
     }
 
     fn database_is_set_up(&self) -> bool {
-        !self.borrow_data().unwrap().base_url.is_empty()
+        !borrow_db_checked().base_url.is_empty()
     }
 
     fn fetch_base_url(&self) -> Url {
-        let handle = self.borrow_data().unwrap();
+        let handle = borrow_db_checked();
-        Url::parse(&handle.base_url).unwrap()
+        Url::parse(&handle.base_url)
+            .unwrap_or_else(|_| panic!("Failed to parse base url {}", handle.base_url))
     }
 }
 
@@ -111,13 +150,16 @@ fn handle_invalid_database(
         base
     };
     info!("old database stored at: {}", new_path.to_string_lossy());
-    fs::rename(&db_path, &new_path).unwrap();
+    fs::rename(&db_path, &new_path).unwrap_or_else(|e| {
+        panic!(
+            "Could not rename database {} to {} with error {}",
+            db_path.display(),
+            new_path.display(),
+            e
+        )
+    });
 
-    let db = Database::new(
+    let db = Database::new(games_base_dir, Some(new_path), cache_dir);
-        games_base_dir.into_os_string().into_string().unwrap(),
-        Some(new_path),
-        cache_dir,
-    );
 
     PathDatabase::create_at_path(db_path, db).expect("Database could not be created")
 }

src-tauri/src/database/scan.rs

@@ -24,11 +24,11 @@ pub fn scan_install_dirs() {
             if !drop_data_file.exists() {
                 continue;
             }
-            let game_id = game.file_name().into_string().unwrap();
+            let game_id = game.file_name().display().to_string();
             let Ok(drop_data) = DropData::read(&game.path()) else {
                 warn!(
                     ".dropdata exists for {}, but couldn't read it. is it corrupted?",
-                    game.file_name().into_string().unwrap()
+                    game.file_name().display()
                 );
                 continue;
             };

src-tauri/src/download_manager/commands.rs

@@ -1,15 +1,15 @@
 use std::sync::Mutex;
 
-use crate::{database::models::data::DownloadableMetadata, AppState};
+use crate::{AppState, database::models::data::DownloadableMetadata, lock};
 
 #[tauri::command]
 pub fn pause_downloads(state: tauri::State<'_, Mutex<AppState>>) {
-    state.lock().unwrap().download_manager.pause_downloads();
+    lock!(state).download_manager.pause_downloads();
 }
 
 #[tauri::command]
 pub fn resume_downloads(state: tauri::State<'_, Mutex<AppState>>) {
-    state.lock().unwrap().download_manager.resume_downloads();
+    lock!(state).download_manager.resume_downloads();
 }
 
 #[tauri::command]
@@ -18,14 +18,12 @@ pub fn move_download_in_queue(
     old_index: usize,
     new_index: usize,
 ) {
-    state
+    lock!(state)
-        .lock()
-        .unwrap()
         .download_manager
         .rearrange(old_index, new_index);
 }
 
 #[tauri::command]
 pub fn cancel_game(state: tauri::State<'_, Mutex<AppState>>, meta: DownloadableMetadata) {
-    state.lock().unwrap().download_manager.cancel(meta);
+    lock!(state).download_manager.cancel(meta);
 }

src-tauri/src/download_manager/download_manager_builder.rs

@@ -11,10 +11,7 @@ use log::{debug, error, info, warn};
 use tauri::{AppHandle, Emitter};
 
 use crate::{
-    database::models::data::DownloadableMetadata,
+    app_emit, database::models::data::DownloadableMetadata, download_manager::download_manager_frontend::DownloadStatus, error::application_download_error::ApplicationDownloadError, games::library::{QueueUpdateEvent, QueueUpdateEventQueueData, StatsUpdateEvent}, lock, send
-    download_manager::download_manager_frontend::DownloadStatus,
-    error::application_download_error::ApplicationDownloadError,
-    games::library::{QueueUpdateEvent, QueueUpdateEventQueueData, StatsUpdateEvent},
 };
 
 use super::{
@@ -105,7 +102,7 @@ impl DownloadManagerBuilder {
     }
 
     fn set_status(&self, status: DownloadManagerStatus) {
-        *self.status.lock().unwrap() = status;
+        *lock!(self.status) = status;
     }
 
     fn remove_and_cleanup_front_download(&mut self, meta: &DownloadableMetadata) -> DownloadAgent {
@@ -119,9 +116,9 @@ impl DownloadManagerBuilder {
     // Make sure the download thread is terminated
     fn cleanup_current_download(&mut self) {
         self.active_control_flag = None;
-        *self.progress.lock().unwrap() = None;
+        *lock!(self.progress) = None;
 
-        let mut download_thread_lock = self.current_download_thread.lock().unwrap();
+        let mut download_thread_lock = lock!(self.current_download_thread);
 
         if let Some(unfinished_thread) = download_thread_lock.take()
             && !unfinished_thread.is_finished()
@@ -137,7 +134,7 @@ impl DownloadManagerBuilder {
             current_flag.set(DownloadThreadControlFlag::Stop);
         }
 
-        let mut download_thread_lock = self.current_download_thread.lock().unwrap();
+        let mut download_thread_lock = lock!(self.current_download_thread);
         if let Some(current_download_thread) = download_thread_lock.take() {
             return current_download_thread.join().is_ok();
         };
@@ -199,9 +196,7 @@ impl DownloadManagerBuilder {
         self.download_queue.append(meta.clone());
         self.download_agent_registry.insert(meta, download_agent);
 
-        self.sender
+        send!(self.sender, DownloadManagerSignal::UpdateUIQueue);
-            .send(DownloadManagerSignal::UpdateUIQueue)
-            .unwrap();
     }
 
     fn manage_go_signal(&mut self) {
@@ -247,7 +242,7 @@ impl DownloadManagerBuilder {
 
         let sender = self.sender.clone();
 
-        let mut download_thread_lock = self.current_download_thread.lock().unwrap();
+        let mut download_thread_lock = lock!(self.current_download_thread);
         let app_handle = self.app_handle.clone();
 
         *download_thread_lock = Some(spawn(move || {
@@ -258,7 +253,7 @@ impl DownloadManagerBuilder {
                     Err(e) => {
                         error!("download {:?} has error {}", download_agent.metadata(), &e);
                         download_agent.on_error(&app_handle, &e);
-                        sender.send(DownloadManagerSignal::Error(e)).unwrap();
+                        send!(sender, DownloadManagerSignal::Error(e));
                         return;
                     }
                 };
@@ -282,7 +277,7 @@ impl DownloadManagerBuilder {
                             &e
                         );
                         download_agent.on_error(&app_handle, &e);
-                        sender.send(DownloadManagerSignal::Error(e)).unwrap();
+                        send!(sender, DownloadManagerSignal::Error(e));
                         return;
                     }
                 };
@@ -293,10 +288,8 @@ impl DownloadManagerBuilder {
 
                 if validate_result {
                     download_agent.on_complete(&app_handle);
-                    sender
+                    send!(sender, DownloadManagerSignal::Completed(download_agent.metadata()));
-                        .send(DownloadManagerSignal::Completed(download_agent.metadata()))
+                    send!(sender, DownloadManagerSignal::UpdateUIQueue);
-                        .unwrap();
-                    sender.send(DownloadManagerSignal::UpdateUIQueue).unwrap();
                     return;
                 }
             }
@@ -323,7 +316,7 @@ impl DownloadManagerBuilder {
         }
 
         self.push_ui_queue_update();
-        self.sender.send(DownloadManagerSignal::Go).unwrap();
+        send!(self.sender, DownloadManagerSignal::Go);
     }
     fn manage_error_signal(&mut self, error: ApplicationDownloadError) {
         debug!("got signal Error");
@@ -361,7 +354,7 @@ impl DownloadManagerBuilder {
             let index = self.download_queue.get_by_meta(meta);
             if let Some(index) = index {
                 download_agent.on_cancelled(&self.app_handle);
-                let _ = self.download_queue.edit().remove(index).unwrap();
+                let _ = self.download_queue.edit().remove(index);
                 let removed = self.download_agent_registry.remove(meta);
                 debug!(
                     "removed {:?} from queue {:?}",
@@ -376,7 +369,7 @@ impl DownloadManagerBuilder {
     fn push_ui_stats_update(&self, kbs: usize, time: usize) {
         let event_data = StatsUpdateEvent { speed: kbs, time };
 
-        self.app_handle.emit("update_stats", event_data).unwrap();
+        app_emit!(self.app_handle, "update_stats", event_data);
     }
     fn push_ui_queue_update(&self) {
         let queue = &self.download_queue.read();
@@ -395,6 +388,6 @@ impl DownloadManagerBuilder {
             .collect();
 
         let event_data = QueueUpdateEvent { queue: queue_objs };
-        self.app_handle.emit("update_queue", event_data).unwrap();
+        app_emit!(self.app_handle, "update_queue", event_data);
     }
 }

src-tauri/src/download_manager/download_manager_frontend.rs

@@ -3,8 +3,8 @@ use std::{
     collections::VecDeque,
     fmt::Debug,
     sync::{
-        mpsc::{SendError, Sender},
         Mutex, MutexGuard,
+        mpsc::{SendError, Sender},
     },
     thread::JoinHandle,
 };
@@ -14,7 +14,7 @@ use serde::Serialize;
 
 use crate::{
     database::models::data::DownloadableMetadata,
-    error::application_download_error::ApplicationDownloadError,
+    error::application_download_error::ApplicationDownloadError, lock, send,
 };
 
 use super::{
@@ -119,22 +119,18 @@ impl DownloadManager {
         self.download_queue.read()
     }
     pub fn get_current_download_progress(&self) -> Option<f64> {
-        let progress_object = (*self.progress.lock().unwrap()).clone()?;
+        let progress_object = (*lock!(self.progress)).clone()?;
         Some(progress_object.get_progress())
     }
     pub fn rearrange_string(&self, meta: &DownloadableMetadata, new_index: usize) {
         let mut queue = self.edit();
-        let current_index = get_index_from_id(&mut queue, meta).unwrap();
+        let current_index = get_index_from_id(&mut queue, meta).expect("Failed to get meta index from id");
-        let to_move = queue.remove(current_index).unwrap();
+        let to_move = queue.remove(current_index).expect("Failed to remove meta at index from queue");
         queue.insert(new_index, to_move);
-        self.command_sender
+        send!(self.command_sender, DownloadManagerSignal::UpdateUIQueue);
-            .send(DownloadManagerSignal::UpdateUIQueue)
-            .unwrap();
     }
     pub fn cancel(&self, meta: DownloadableMetadata) {
-        self.command_sender
+        send!(self.command_sender, DownloadManagerSignal::Cancel(meta));
-            .send(DownloadManagerSignal::Cancel(meta))
-            .unwrap();
     }
     pub fn rearrange(&self, current_index: usize, new_index: usize) {
         if current_index == new_index {
@@ -143,39 +139,31 @@ impl DownloadManager {
 
         let needs_pause = current_index == 0 || new_index == 0;
         if needs_pause {
-            self.command_sender
+            send!(self.command_sender, DownloadManagerSignal::Stop);
-                .send(DownloadManagerSignal::Stop)
-                .unwrap();
         }
 
         debug!("moving download at index {current_index} to index {new_index}");
 
         let mut queue = self.edit();
-        let to_move = queue.remove(current_index).unwrap();
+        let to_move = queue.remove(current_index).expect("Failed to get");
         queue.insert(new_index, to_move);
         drop(queue);
 
         if needs_pause {
-            self.command_sender.send(DownloadManagerSignal::Go).unwrap();
+            send!(self.command_sender, DownloadManagerSignal::Go);
         }
-        self.command_sender
+        send!(self.command_sender, DownloadManagerSignal::UpdateUIQueue);
-            .send(DownloadManagerSignal::UpdateUIQueue)
+        send!(self.command_sender, DownloadManagerSignal::Go);
-            .unwrap();
-        self.command_sender.send(DownloadManagerSignal::Go).unwrap();
     }
     pub fn pause_downloads(&self) {
-        self.command_sender
+        send!(self.command_sender, DownloadManagerSignal::Stop);
-            .send(DownloadManagerSignal::Stop)
-            .unwrap();
     }
     pub fn resume_downloads(&self) {
-        self.command_sender.send(DownloadManagerSignal::Go).unwrap();
+        send!(self.command_sender, DownloadManagerSignal::Go);
     }
     pub fn ensure_terminated(&self) -> Result<Result<(), ()>, Box<dyn Any + Send>> {
-        self.command_sender
+        send!(self.command_sender, DownloadManagerSignal::Finish);
-            .send(DownloadManagerSignal::Finish)
+        let terminator = lock!(self.terminator).take();
-            .unwrap();
-        let terminator = self.terminator.lock().unwrap().take();
         terminator.unwrap().join()
     }
     pub fn get_sender(&self) -> Sender<DownloadManagerSignal> {

src-tauri/src/download_manager/util/progress_object.rs

@@ -10,7 +10,7 @@ use std::{
 use atomic_instant_full::AtomicInstant;
 use throttle_my_fn::throttle;
 
-use crate::download_manager::download_manager_frontend::DownloadManagerSignal;
+use crate::{download_manager::download_manager_frontend::DownloadManagerSignal, lock, send};
 
 use super::rolling_progress_updates::RollingProgressWindow;
 
@@ -74,12 +74,10 @@ impl ProgressObject {
     }
 
     pub fn set_time_now(&self) {
-        *self.start.lock().unwrap() = Instant::now();
+        *lock!(self.start) = Instant::now();
     }
     pub fn sum(&self) -> usize {
-        self.progress_instances
+        lock!(self.progress_instances)
-            .lock()
-            .unwrap()
             .iter()
             .map(|instance| instance.load(Ordering::Acquire))
             .sum()
@@ -88,27 +86,25 @@ impl ProgressObject {
         self.set_time_now();
         self.bytes_last_update.store(0, Ordering::Release);
         self.rolling.reset();
-        self.progress_instances
+        lock!(self.progress_instances)
-            .lock()
-            .unwrap()
             .iter()
             .for_each(|x| x.store(0, Ordering::SeqCst));
     }
     pub fn get_max(&self) -> usize {
-        *self.max.lock().unwrap()
+        *lock!(self.max)
     }
     pub fn set_max(&self, new_max: usize) {
-        *self.max.lock().unwrap() = new_max;
+        *lock!(self.max) = new_max;
     }
     pub fn set_size(&self, length: usize) {
-        *self.progress_instances.lock().unwrap() =
+        *lock!(self.progress_instances) =
             (0..length).map(|_| Arc::new(AtomicUsize::new(0))).collect();
     }
     pub fn get_progress(&self) -> f64 {
         self.sum() as f64 / self.get_max() as f64
     }
     pub fn get(&self, index: usize) -> Arc<AtomicUsize> {
-        self.progress_instances.lock().unwrap()[index].clone()
+        lock!(self.progress_instances)[index].clone()
     }
     fn update_window(&self, kilobytes_per_second: usize) {
         self.rolling.update(kilobytes_per_second);
@@ -148,18 +144,12 @@ pub fn push_update(progress: &ProgressObject, bytes_remaining: usize) {
 }
 
 fn update_ui(progress_object: &ProgressObject, kilobytes_per_second: usize, time_remaining: usize) {
-    progress_object
+    send!(
-        .sender
+        progress_object.sender,
-        .send(DownloadManagerSignal::UpdateUIStats(
+        DownloadManagerSignal::UpdateUIStats(kilobytes_per_second, time_remaining)
-            kilobytes_per_second,
+    );
-            time_remaining,
-        ))
-        .unwrap();
 }
 
 fn update_queue(progress: &ProgressObject) {
-    progress
+    send!(progress.sender, DownloadManagerSignal::UpdateUIQueue)
-        .sender
-        .send(DownloadManagerSignal::UpdateUIQueue)
-        .unwrap();
 }

src-tauri/src/download_manager/util/queue.rs

@@ -3,7 +3,7 @@ use std::{
     sync::{Arc, Mutex, MutexGuard},
 };
 
-use crate::database::models::data::DownloadableMetadata;
+use crate::{database::models::data::DownloadableMetadata, lock};
 
 #[derive(Clone)]
 pub struct Queue {
@@ -24,10 +24,10 @@ impl Queue {
         }
     }
     pub fn read(&self) -> VecDeque<DownloadableMetadata> {
-        self.inner.lock().unwrap().clone()
+        lock!(self.inner).clone()
     }
     pub fn edit(&self) -> MutexGuard<'_, VecDeque<DownloadableMetadata>> {
-        self.inner.lock().unwrap()
+        lock!(self.inner)
     }
     pub fn pop_front(&self) -> Option<DownloadableMetadata> {
         self.edit().pop_front()

src-tauri/src/error/application_download_error.rs

@@ -18,7 +18,7 @@ pub enum ApplicationDownloadError {
     Checksum,
     Lock,
     IoError(Arc<io::Error>),
-    DownloadError,
+    DownloadError(RemoteAccessError),
 }
 
 impl Display for ApplicationDownloadError {
@@ -40,10 +40,16 @@ impl Display for ApplicationDownloadError {
                 write!(f, "checksum failed to validate for download")
             }
             ApplicationDownloadError::IoError(error) => write!(f, "io error: {error}"),
-            ApplicationDownloadError::DownloadError => write!(
+            ApplicationDownloadError::DownloadError(error) => write!(
                 f,
-                "Download failed. See Download Manager status for specific error"
+                "Download failed with error {error}"
             ),
         }
     }
 }
+
+impl From<io::Error> for ApplicationDownloadError {
+    fn from(value: io::Error) -> Self {
+        ApplicationDownloadError::IoError(Arc::new(value))
+    }
+}

src-tauri/src/error/cache_error.rs

@@ -0,0 +1,26 @@
+use std::fmt::Display;
+
+use http::{header::ToStrError, HeaderName};
+use serde_with::SerializeDisplay;
+
+use crate::error::remote_access_error::RemoteAccessError;
+
+#[derive(Debug, SerializeDisplay)]
+pub enum CacheError {
+    HeaderNotFound(HeaderName),
+    ParseError(ToStrError),
+    Remote(RemoteAccessError),
+    ConstructionError(http::Error)
+}
+
+impl Display for CacheError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let s = match self {
+            CacheError::HeaderNotFound(header_name) => format!("Could not find header {header_name} in cache"),
+            CacheError::ParseError(to_str_error) => format!("Could not parse cache with error {to_str_error}"),
+            CacheError::Remote(remote_access_error) => format!("Cache got remote access error: {remote_access_error}"),
+            CacheError::ConstructionError(error) => format!("Could not construct cache body with error {error}"),
+        };
+        write!(f, "{s}")
+    }
+}

src-tauri/src/error/library_error.rs

@@ -1,18 +1,21 @@
-use std::fmt::Display;
+use std::fmt::{Display};
 
 use serde_with::SerializeDisplay;
 
 #[derive(SerializeDisplay)]
 pub enum LibraryError {
     MetaNotFound(String),
+    VersionNotFound(String),
 }
 impl Display for LibraryError {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
+        write!(f, "{}", match self {
-            LibraryError::MetaNotFound(id) => write!(
+            LibraryError::MetaNotFound(id) => {
-                f,
+                format!("Could not locate any installed version of game ID {id} in the database")
-                "Could not locate any installed version of game ID {id} in the database"
+            }
-            ),
+            LibraryError::VersionNotFound(game_id) => {
-        }
+                format!("Could not locate any installed version  for game id {game_id} in the database")
+            }
+        })
     }
 }

src-tauri/src/error/mod.rs

@@ -4,3 +4,4 @@ pub mod drop_server_error;
 pub mod library_error;
 pub mod process_error;
 pub mod remote_access_error;
+pub mod cache_error;

src-tauri/src/error/process_error.rs

@@ -11,7 +11,8 @@ pub enum ProcessError {
     IOError(Error),
     FormatError(String), // String errors supremacy
     InvalidPlatform,
-    OpenerError(tauri_plugin_opener::Error)
+    OpenerError(tauri_plugin_opener::Error),
+    InvalidArguments(String)
 }
 
 impl Display for ProcessError {
@@ -23,8 +24,9 @@ impl Display for ProcessError {
             ProcessError::InvalidVersion => "Invalid game version",
             ProcessError::IOError(error) => &error.to_string(),
             ProcessError::InvalidPlatform => "This game cannot be played on the current platform",
-            ProcessError::FormatError(e) => &format!("Failed to format template: {e}"),
+            ProcessError::FormatError(e) => &format!("Could not format template: {e}"),
-            ProcessError::OpenerError(error) => &format!("Failed to open directory: {error}"),
+            ProcessError::OpenerError(error) => &format!("Could not open directory: {error}"),
+            ProcessError::InvalidArguments(arguments) => &format!("Invalid arguments in command {arguments}"),
                     };
         write!(f, "{s}")
     }

src-tauri/src/error/remote_access_error.rs

@@ -44,8 +44,7 @@ impl Display for RemoteAccessError {
                     error
                         .source()
                         .map(std::string::ToString::to_string)
-                        .or_else(|| Some("Unknown error".to_string()))
+                        .unwrap_or("Unknown error".to_string())
-                        .unwrap()
                 )
             }
             RemoteAccessError::FetchErrorWS(error) => write!(
@@ -54,9 +53,8 @@ impl Display for RemoteAccessError {
                 error,
                 error
                     .source()
-                    .map(|e| e.to_string())
+                    .map(std::string::ToString::to_string)
-                    .or_else(|| Some("Unknown error".to_string()))
+                    .unwrap_or("Unknown error".to_string())
-                    .unwrap()
             ),
             RemoteAccessError::ParsingError(parse_error) => {
                 write!(f, "{parse_error}")

src-tauri/src/games/downloads/commands.rs

@@ -5,13 +5,10 @@ use std::{
 
 
 use crate::{
-    AppState,
     database::{
         db::borrow_db_checked,
         models::data::GameDownloadStatus,
-    },
+    }, download_manager::downloadable::Downloadable, error::application_download_error::ApplicationDownloadError, lock, AppState
-    download_manager::downloadable::Downloadable,
-    error::application_download_error::ApplicationDownloadError,
 };
 
 use super::download_agent::GameDownloadAgent;
@@ -23,16 +20,14 @@ pub async fn download_game(
     install_dir: usize,
     state: tauri::State<'_, Mutex<AppState<'_>>>,
 ) -> Result<(), ApplicationDownloadError> {
-    let sender = { state.lock().unwrap().download_manager.get_sender().clone() };
+    let sender = { lock!(state).download_manager.get_sender().clone() };
 
     let game_download_agent =
         GameDownloadAgent::new_from_index(game_id.clone(), game_version.clone(), install_dir, sender).await?;
 
     let game_download_agent =
         Arc::new(Box::new(game_download_agent) as Box<dyn Downloadable + Send + Sync>);
-    state
+    lock!(state)
-        .lock()
-        .unwrap()
         .download_manager
         .queue_download(game_download_agent.clone())
         .unwrap();
@@ -62,22 +57,20 @@ pub async fn resume_download(
         } => (version_name, install_dir),
     };
 
-    let sender = state.lock().unwrap().download_manager.get_sender();
+    let sender = lock!(state).download_manager.get_sender();
     let parent_dir: PathBuf = install_dir.into();
 
     let game_download_agent = Arc::new(Box::new(
         GameDownloadAgent::new(
             game_id,
             version_name.clone(),
-            parent_dir.parent().unwrap().to_path_buf(),
+            parent_dir.parent().unwrap_or_else(|| panic!("Failed to get parent directry of {}", parent_dir.display())).to_path_buf(),
             sender,
         )
         .await?,
     ) as Box<dyn Downloadable + Send + Sync>);
 
-    state
+    lock!(state)
-        .lock()
-        .unwrap()
         .download_manager
         .queue_download(game_download_agent)
         .unwrap();

src-tauri/src/games/downloads/download_agent.rs

@@ -20,10 +20,12 @@ use crate::games::state::GameStatusManager;
 use crate::process::utils::get_disk_available;
 use crate::remote::requests::generate_url;
 use crate::remote::utils::{DROP_CLIENT_ASYNC, DROP_CLIENT_SYNC};
+use crate::{app_emit, lock, send};
 use log::{debug, error, info, warn};
 use rayon::ThreadPoolBuilder;
 use std::collections::{HashMap, HashSet};
 use std::fs::{OpenOptions, create_dir_all};
+use std::io;
 use std::path::{Path, PathBuf};
 use std::sync::mpsc::Sender;
 use std::sync::{Arc, Mutex};
@@ -101,10 +103,8 @@ impl GameDownloadAgent {
 
         result.ensure_manifest_exists().await?;
 
-        let required_space = result
+        let required_space = lock!(result
-            .manifest
+            .manifest)
-            .lock()
-            .unwrap()
             .as_ref()
             .unwrap()
             .values()
@@ -172,11 +172,11 @@ impl GameDownloadAgent {
     }
 
     pub fn check_manifest_exists(&self) -> bool {
-        self.manifest.lock().unwrap().is_some()
+        lock!(self.manifest).is_some()
     }
 
     pub async fn ensure_manifest_exists(&self) -> Result<(), ApplicationDownloadError> {
-        if self.manifest.lock().unwrap().is_some() {
+        if lock!(self.manifest).is_some() {
             return Ok(());
         }
 
@@ -207,7 +207,10 @@ impl GameDownloadAgent {
             ));
         }
 
-        let manifest_download: DropManifest = response.json().await.unwrap();
+        let manifest_download: DropManifest = response
+            .json()
+            .await
+            .map_err(|e| ApplicationDownloadError::Communication(e.into()))?;
 
         if let Ok(mut manifest) = self.manifest.lock() {
             *manifest = Some(manifest_download);
@@ -219,7 +222,7 @@ impl GameDownloadAgent {
 
     // Sets it up for both download and validate
     fn setup_progress(&self) {
-        let buckets = self.buckets.lock().unwrap();
+        let buckets = lock!(self.buckets);
 
         let chunk_count = buckets.iter().map(|e| e.drops.len()).sum();
 
@@ -234,21 +237,23 @@ impl GameDownloadAgent {
     }
 
     pub fn ensure_buckets(&self) -> Result<(), ApplicationDownloadError> {
-        if self.buckets.lock().unwrap().is_empty() {
+        if lock!(self.buckets).is_empty() {
             self.generate_buckets()?;
         }
 
-        *self.context_map.lock().unwrap() = self.dropdata.get_contexts();
+        *lock!(self.context_map) = self.dropdata.get_contexts();
 
         Ok(())
     }
 
     pub fn generate_buckets(&self) -> Result<(), ApplicationDownloadError> {
-        let manifest = self.manifest.lock().unwrap().clone().unwrap();
+        let manifest = lock!(self.manifest)
+            .clone()
+            .ok_or(ApplicationDownloadError::NotInitialized)?;
         let game_id = self.id.clone();
 
         let base_path = Path::new(&self.dropdata.base_path);
-        create_dir_all(base_path).unwrap();
+        create_dir_all(base_path)?;
 
         let mut buckets = Vec::new();
 
@@ -258,8 +263,13 @@ impl GameDownloadAgent {
         for (raw_path, chunk) in manifest {
             let path = base_path.join(Path::new(&raw_path));
 
-            let container = path.parent().unwrap();
+            let container = path
-            create_dir_all(container).unwrap();
+                .parent()
+                .ok_or(ApplicationDownloadError::IoError(Arc::new(io::Error::new(
+                    io::ErrorKind::NotFound,
+                    "no parent directory",
+                ))))?;
+            create_dir_all(container)?;
 
             let already_exists = path.exists();
             let file = OpenOptions::new()
@@ -267,8 +277,7 @@ impl GameDownloadAgent {
                 .write(true)
                 .create(true)
                 .truncate(false)
-                .open(path.clone())
+                .open(&path)?;
-                .unwrap();
             let mut file_running_offset = 0;
 
             for (index, length) in chunk.lengths.iter().enumerate() {
@@ -352,7 +361,7 @@ impl GameDownloadAgent {
                 .collect::<Vec<(String, bool)>>(),
         );
 
-        *self.buckets.lock().unwrap() = buckets;
+        *lock!(self.buckets) = buckets;
 
         Ok(())
     }
@@ -368,9 +377,11 @@ impl GameDownloadAgent {
         let pool = ThreadPoolBuilder::new()
             .num_threads(max_download_threads)
             .build()
-            .unwrap();
+            .unwrap_or_else(|_| {
+                panic!("failed to build thread pool with {max_download_threads} threads")
+            });
 
-        let buckets = self.buckets.lock().unwrap();
+        let buckets = lock!(self.buckets);
 
         let mut download_contexts = HashMap::<String, DownloadContext>::new();
 
@@ -389,7 +400,7 @@ impl GameDownloadAgent {
 
         for version in versions {
             let download_context = DROP_CLIENT_SYNC
-                .post(generate_url(&["/api/v2/client/context"], &[]).unwrap())
+                .post(generate_url(&["/api/v2/client/context"], &[])?)
                 .json(&ManifestBody {
                     game: self.id.clone(),
                     version: version.clone(),
@@ -412,7 +423,7 @@ impl GameDownloadAgent {
         let download_contexts = &download_contexts;
 
         pool.scope(|scope| {
-            let context_map = self.context_map.lock().unwrap();
+            let context_map = lock!(self.context_map);
             for (index, bucket) in buckets.iter().enumerate() {
                 let mut bucket = (*bucket).clone();
                 let completed_contexts = completed_indexes_loop_arc.clone();
@@ -444,8 +455,7 @@ impl GameDownloadAgent {
 
                 let download_context = download_contexts
                     .get(&bucket.version)
-                    .ok_or(RemoteAccessError::CorruptedState)
+                    .unwrap_or_else(|| panic!("Could not get bucket version {}. Corrupted state.", bucket.version));
-                    .unwrap();
 
                 scope.spawn(move |_| {
                     // 3 attempts
@@ -477,7 +487,7 @@ impl GameDownloadAgent {
 
                                 if i == RETRY_COUNT - 1 || !retry {
                                     warn!("retry logic failed, not re-attempting.");
-                                    sender.send(DownloadManagerSignal::Error(e)).unwrap();
+                                    send!(sender, DownloadManagerSignal::Error(e));
                                     return;
                                 }
                             }
@@ -490,7 +500,7 @@ impl GameDownloadAgent {
         let newly_completed = completed_contexts.clone();
 
         let completed_lock_len = {
-            let mut context_map_lock = self.context_map.lock().unwrap();
+            let mut context_map_lock = lock!(self.context_map);
             for (_, item) in newly_completed.iter() {
                 context_map_lock.insert(item.clone(), true);
             }
@@ -498,7 +508,7 @@ impl GameDownloadAgent {
             context_map_lock.values().filter(|x| **x).count()
         };
 
-        let context_map_lock = self.context_map.lock().unwrap();
+        let context_map_lock = lock!(self.context_map);
         let contexts = buckets
             .iter()
             .flat_map(|x| x.drops.iter().map(|e| e.checksum.clone()))
@@ -547,7 +557,7 @@ impl GameDownloadAgent {
     pub fn validate(&self, app_handle: &AppHandle) -> Result<bool, ApplicationDownloadError> {
         self.setup_validate(app_handle);
 
-        let buckets = self.buckets.lock().unwrap();
+        let buckets = lock!(self.buckets);
         let contexts: Vec<DropValidateContext> = buckets
             .clone()
             .into_iter()
@@ -559,7 +569,9 @@ impl GameDownloadAgent {
         let pool = ThreadPoolBuilder::new()
             .num_threads(max_download_threads)
             .build()
-            .unwrap();
+            .unwrap_or_else(|_| {
+                panic!("failed to build thread pool with {max_download_threads} threads")
+            });
 
         let invalid_chunks = Arc::new(boxcar::Vec::new());
         pool.scope(|scope| {
@@ -577,7 +589,7 @@ impl GameDownloadAgent {
                         }
                         Err(e) => {
                             error!("{e}");
-                            sender.send(DownloadManagerSignal::Error(e)).unwrap();
+                            send!(sender, DownloadManagerSignal::Error(e));
                         }
                     }
                 });
@@ -604,7 +616,7 @@ impl GameDownloadAgent {
         // See docs on usage
         set_partially_installed(
             &self.metadata(),
-            self.dropdata.base_path.to_str().unwrap().to_string(),
+            self.dropdata.base_path.display().to_string(),
             Some(app_handle),
         );
 
@@ -614,12 +626,12 @@ impl GameDownloadAgent {
 
 impl Downloadable for GameDownloadAgent {
     fn download(&self, app_handle: &AppHandle) -> Result<bool, ApplicationDownloadError> {
-        *self.status.lock().unwrap() = DownloadStatus::Downloading;
+        *lock!(self.status) = DownloadStatus::Downloading;
         self.download(app_handle)
     }
 
     fn validate(&self, app_handle: &AppHandle) -> Result<bool, ApplicationDownloadError> {
-        *self.status.lock().unwrap() = DownloadStatus::Validating;
+        *lock!(self.status) = DownloadStatus::Validating;
         self.validate(app_handle)
     }
 
@@ -653,10 +665,8 @@ impl Downloadable for GameDownloadAgent {
     }
 
     fn on_error(&self, app_handle: &tauri::AppHandle, error: &ApplicationDownloadError) {
-        *self.status.lock().unwrap() = DownloadStatus::Error;
+        *lock!(self.status) = DownloadStatus::Error;
-        app_handle
+        app_emit!(app_handle, "download_error", error.to_string());
-            .emit("download_error", error.to_string())
-            .unwrap();
 
         error!("error while managing download: {error:?}");
 
@@ -675,12 +685,17 @@ impl Downloadable for GameDownloadAgent {
     }
 
     fn on_complete(&self, app_handle: &tauri::AppHandle) {
-        on_game_complete(
+        match on_game_complete(
             &self.metadata(),
             self.dropdata.base_path.to_string_lossy().to_string(),
             app_handle,
-        )
+        ) {
-        .unwrap();
+            Ok(_) => {}
+            Err(e) => {
+                error!("could not mark game as complete: {e}");
+                send!(self.sender, DownloadManagerSignal::Error(ApplicationDownloadError::DownloadError(e)));
+            }
+        }
     }
 
     fn on_cancelled(&self, app_handle: &tauri::AppHandle) {
@@ -689,6 +704,6 @@ impl Downloadable for GameDownloadAgent {
     }
 
     fn status(&self) -> DownloadStatus {
-        self.status.lock().unwrap().clone()
+        lock!(self.status).clone()
     }
 }

src-tauri/src/games/downloads/download_logic.rs

@@ -110,11 +110,10 @@ impl<'a> DropDownloadPipeline<'a, Response, File> {
             let destination = self
                 .destination
                 .get_mut(index)
-                .ok_or(io::Error::other("no destination"))
+                .ok_or(io::Error::other("no destination"))?;
-                .unwrap();
             let mut remaining = drop.length;
             if drop.start != 0 {
-                destination.seek(SeekFrom::Start(drop.start.try_into().unwrap()))?;
+                destination.seek(SeekFrom::Start(drop.start as u64))?;
             }
             let mut last_bump = 0;
             loop {
@@ -215,20 +214,39 @@ pub fn download_game_bucket(
             RemoteAccessError::UnparseableResponse("missing Content-Lengths header".to_owned()),
         ))?
         .to_str()
-        .unwrap();
+        .map_err(|e| {
+            ApplicationDownloadError::Communication(RemoteAccessError::UnparseableResponse(
+                e.to_string(),
+            ))
+        })?;
 
     for (i, raw_length) in lengths.split(",").enumerate() {
         let length = raw_length.parse::<usize>().unwrap_or(0);
         let Some(drop) = bucket.drops.get(i) else {
             warn!("invalid number of Content-Lengths recieved: {i}, {lengths}");
-            return Err(ApplicationDownloadError::DownloadError);
+            return Err(ApplicationDownloadError::DownloadError(
+                RemoteAccessError::InvalidResponse(DropServerError {
+                    status_code: 400,
+                    status_message: format!(
+                        "invalid number of Content-Lengths recieved: {i}, {lengths}"
+                    ),
+                }),
+            ));
         };
         if drop.length != length {
             warn!(
                 "for {}, expected {}, got {} ({})",
                 drop.filename, drop.length, raw_length, length
             );
-            return Err(ApplicationDownloadError::DownloadError);
+            return Err(ApplicationDownloadError::DownloadError(
+                RemoteAccessError::InvalidResponse(DropServerError {
+                    status_code: 400,
+                    status_message: format!(
+                        "for {}, expected {}, got {} ({})",
+                        drop.filename, drop.length, raw_length, length
+                    ),
+                }),
+            ));
         }
     }
 

src-tauri/src/games/downloads/drop_data.rs

@@ -5,6 +5,8 @@ use std::{
 use log::error;
 use native_model::{Decode, Encode};
 
+use crate::lock;
+
 pub type DropData = v1::DropData;
 
 pub static DROP_DATA_PATH: &str = ".dropdata";
@@ -49,7 +51,12 @@ impl DropData {
         let mut s = Vec::new();
         file.read_to_end(&mut s)?;
 
-        Ok(native_model::rmp_serde_1_3::RmpSerde::decode(s).unwrap())
+        native_model::rmp_serde_1_3::RmpSerde::decode(s).map_err(|e| {
+            io::Error::new(
+                io::ErrorKind::InvalidData,
+                format!("Failed to decode drop data: {e}"),
+            )
+        })
     }
     pub fn write(&self) {
         let manifest_raw = match native_model::rmp_serde_1_3::RmpSerde::encode(&self) {
@@ -71,12 +78,12 @@ impl DropData {
         }
     }
     pub fn set_contexts(&self, completed_contexts: &[(String, bool)]) {
-        *self.contexts.lock().unwrap() = completed_contexts.iter().map(|s| (s.0.clone(), s.1)).collect();
+        *lock!(self.contexts) = completed_contexts.iter().map(|s| (s.0.clone(), s.1)).collect();
     }
     pub fn set_context(&self, context: String, state: bool) {
-        self.contexts.lock().unwrap().entry(context).insert_entry(state);
+        lock!(self.contexts).entry(context).insert_entry(state);
     }
     pub fn get_contexts(&self) -> HashMap<String, bool> {
-        self.contexts.lock().unwrap().clone()
+        lock!(self.contexts).clone()
     }
 }

src-tauri/src/games/downloads/validate.rs

@@ -36,14 +36,14 @@ pub fn validate_game_chunk(
 
     if ctx.offset != 0 {
         source
-            .seek(SeekFrom::Start(ctx.offset.try_into().unwrap()))
+            .seek(SeekFrom::Start(ctx.offset as u64))
             .expect("Failed to seek to file offset");
     }
 
     let mut hasher = md5::Context::new();
 
     let completed =
-        validate_copy(&mut source, &mut hasher, ctx.length, control_flag, progress).unwrap();
+        validate_copy(&mut source, &mut hasher, ctx.length, control_flag, progress)?;
     if !completed {
         return Ok(false);
     }

src-tauri/src/games/library.rs

@@ -8,6 +8,7 @@ use tauri::AppHandle;
 use tauri::Emitter;
 
 use crate::AppState;
+use crate::app_emit;
 use crate::database::db::{borrow_db_checked, borrow_db_mut_checked};
 use crate::database::models::data::Database;
 use crate::database::models::data::{
@@ -18,6 +19,7 @@ use crate::error::drop_server_error::DropServerError;
 use crate::error::library_error::LibraryError;
 use crate::error::remote_access_error::RemoteAccessError;
 use crate::games::state::{GameStatusManager, GameStatusWithTransient};
+use crate::lock;
 use crate::remote::auth::generate_authorization_header;
 use crate::remote::cache::cache_object_db;
 use crate::remote::cache::{cache_object, get_cached_object, get_cached_object_db};
@@ -106,7 +108,7 @@ pub async fn fetch_library_logic(
 
     let mut games: Vec<Game> = response.json().await?;
 
-    let mut handle = state.lock().unwrap();
+    let mut handle = lock!(state);
 
     let mut db_handle = borrow_db_mut_checked();
 
@@ -172,7 +174,7 @@ pub async fn fetch_game_logic(
     state: tauri::State<'_, Mutex<AppState<'_>>>,
 ) -> Result<FetchGameStruct, RemoteAccessError> {
     let version = {
-        let state_handle = state.lock().unwrap();
+        let state_handle = lock!(state);
 
         let db_lock = borrow_db_checked();
 
@@ -222,14 +224,14 @@ pub async fn fetch_game_logic(
         return Err(RemoteAccessError::GameNotFound(id));
     }
     if response.status() != 200 {
-        let err = response.json().await.unwrap();
+        let err = response.json().await?;
         warn!("{err:?}");
         return Err(RemoteAccessError::InvalidResponse(err));
     }
 
     let game: Game = response.json().await?;
 
-    let mut state_handle = state.lock().unwrap();
+    let mut state_handle = lock!(state);
     state_handle.games.insert(id.clone(), game.clone());
 
     let mut db_handle = borrow_db_mut_checked();
@@ -297,22 +299,18 @@ pub async fn fetch_game_version_options_logic(
         .await?;
 
     if response.status() != 200 {
-        let err = response.json().await.unwrap();
+        let err = response.json().await?;
         warn!("{err:?}");
         return Err(RemoteAccessError::InvalidResponse(err));
     }
 
     let data: Vec<GameVersion> = response.json().await?;
 
-    let state_lock = state.lock().unwrap();
+    let state_lock = lock!(state);
-    let process_manager_lock = state_lock.process_manager.lock().unwrap();
+    let process_manager_lock = lock!(state_lock.process_manager);
     let data: Vec<GameVersion> = data
         .into_iter()
-        .filter(|v| {
+        .filter(|v| process_manager_lock.valid_platform(&v.platform, &state_lock))
-            process_manager_lock
-                .valid_platform(&v.platform, &state_lock)
-                .unwrap()
-        })
         .collect();
     drop(process_manager_lock);
     drop(state_lock);
@@ -379,11 +377,13 @@ pub fn uninstall_game_logic(meta: DownloadableMetadata, app_handle: &AppHandle)
     );
 
     let previous_state = db_handle.applications.game_statuses.get(&meta.id).cloned();
-    if previous_state.is_none() {
+
+    let previous_state = if let Some(state) = previous_state {
+        state
+    } else {
         warn!("uninstall job doesn't have previous state, failing silently");
         return;
-    }
+    };
-    let previous_state = previous_state.unwrap();
 
     if let Some((_, install_dir)) = match previous_state {
         GameDownloadStatus::Installed {
@@ -432,7 +432,7 @@ pub fn uninstall_game_logic(meta: DownloadableMetadata, app_handle: &AppHandle)
                 );
 
                 debug!("uninstalled game id {}", &meta.id);
-                app_handle.emit("update_library", ()).unwrap();
+                app_emit!(app_handle, "update_library", ());
             }
         });
     } else {
@@ -505,17 +505,15 @@ pub fn on_game_complete(
         .game_statuses
         .insert(meta.id.clone(), status.clone());
     drop(db_handle);
-
+    app_emit!(
-    app_handle
+        app_handle,
-        .emit(
+        &format!("update_game/{}", meta.id),
-            &format!("update_game/{}", meta.id),
+        GameUpdateEvent {
-            GameUpdateEvent {
+            game_id: meta.id.clone(),
-                game_id: meta.id.clone(),
+            status: (Some(status), None),
-                status: (Some(status), None),
+            version: Some(game_version),
-                version: Some(game_version),
+        }
-            },
+    );
-        )
-        .unwrap();
 
     Ok(())
 }
@@ -533,16 +531,15 @@ pub fn push_game_update(
         panic!("pushed game for installed game that doesn't have version information");
     }
 
-    app_handle
+    app_emit!(
-        .emit(
+        app_handle,
-            &format!("update_game/{game_id}"),
+        &format!("update_game/{game_id}"),
-            GameUpdateEvent {
+        GameUpdateEvent {
-                game_id: game_id.clone(),
+            game_id: game_id.clone(),
-                status,
+            status,
-                version,
+            version,
-            },
+        }
-        )
+    );
-        .unwrap();
 }
 
 #[derive(Deserialize)]
@@ -564,7 +561,7 @@ pub fn update_game_configuration(
         .ok_or(LibraryError::MetaNotFound(game_id))?;
 
     let id = installed_version.id.clone();
-    let version = installed_version.version.clone().unwrap();
+    let version = installed_version.version.clone().ok_or(LibraryError::VersionNotFound(id.clone()))?;
 
     let mut existing_configuration = handle
         .applications

src-tauri/src/lib.rs

@@ -13,11 +13,14 @@ mod download_manager;
 mod error;
 mod process;
 mod remote;
+mod utils;
 
 use crate::database::scan::scan_install_dirs;
 use crate::process::commands::open_process_logs;
 use crate::process::process_handlers::UMU_LAUNCHER_EXECUTABLE;
 use crate::remote::commands::auth_initiate_code;
+use crate::remote::fetch_object::fetch_object_wrapper;
+use crate::remote::server_proto::handle_server_proto_wrapper;
 use crate::{database::db::DatabaseImpls, games::downloads::commands::resume_download};
 use bitcode::{Decode, Encode};
 use client::commands::fetch_state;
@@ -58,8 +61,7 @@ use remote::commands::{
     auth_initiate, fetch_drop_object, gen_drop_url, manual_recieve_handshake, retry_connect,
     sign_out, use_remote,
 };
-use remote::fetch_object::fetch_object;
+use remote::server_proto::handle_server_proto_offline_wrapper;
-use remote::server_proto::{handle_server_proto, handle_server_proto_offline};
 use serde::{Deserialize, Serialize};
 use std::fs::File;
 use std::io::Write;
@@ -137,7 +139,7 @@ async fn setup(handle: AppHandle) -> AppState<'static> {
         )))
         .append(false)
         .build(DATA_ROOT_DIR.join("./drop.log"))
-        .unwrap();
+        .expect("Failed to setup logfile");
 
     let console = ConsoleAppender::builder()
         .encoder(Box::new(PatternEncoder::new(
@@ -157,12 +159,12 @@ async fn setup(handle: AppHandle) -> AppState<'static> {
                 .appenders(vec!["logfile", "console"])
                 .build(LevelFilter::from_str(&log_level).expect("Invalid log level")),
         )
-        .unwrap();
+        .expect("Failed to build config");
 
-    log4rs::init_config(config).unwrap();
+    log4rs::init_config(config).expect("Failed to initialise log4rs");
 
     let games = HashMap::new();
-    let download_manager = Arc::new(DownloadManagerBuilder::build(handle.clone()));
+    let download_manager = Arc::new(DownloadManagerBuilder::build(handle.clone())); 
     let process_manager = Arc::new(Mutex::new(ProcessManager::new(handle.clone())));
     let compat_info = create_new_compat_info();
 
@@ -370,42 +372,57 @@ pub fn run() {
                 .shadow(false)
                 .data_directory(DATA_ROOT_DIR.join(".webview"))
                 .build()
-                .unwrap();
+                .expect("Failed to build main window");
 
                 app.deep_link().on_open_url(move |event| {
                     debug!("handling drop:// url");
                     let binding = event.urls();
-                    let url = binding.first().unwrap();
+                    let url = match binding.first() {
-                    if url.host_str().unwrap() == "handshake" {
+                        Some(url) => url,
-                        tauri::async_runtime::spawn(recieve_handshake(
+                        None => {
-                            handle.clone(),
+                            warn!("No value recieved from deep link. Is this a drop server?");
-                            url.path().to_string(),
+                            return;
-                        ));
+                        }
+                    };
+                    if let Some("handshake") = url.host_str() {
+                            tauri::async_runtime::spawn(recieve_handshake(
+                                handle.clone(),
+                                url.path().to_string(),
+                            ));
                     }
                 });
+                let open_menu_item = MenuItem::with_id(app, "open", "Open", true, None::<&str>).expect("Failed to generate open menu item");
+                
+                let sep = PredefinedMenuItem::separator(app).expect("Failed to generate menu separator item");
+
+                let quit_menu_item = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>).expect("Failed to generate quit menu item");
 
                 let menu = Menu::with_items(
                     app,
                     &[
-                        &MenuItem::with_id(app, "open", "Open", true, None::<&str>).unwrap(),
+                        &open_menu_item,
-                        &PredefinedMenuItem::separator(app).unwrap(),
+                        &sep,
                         /*
                         &MenuItem::with_id(app, "show_library", "Library", true, None::<&str>)?,
                         &MenuItem::with_id(app, "show_settings", "Settings", true, None::<&str>)?,
                         &PredefinedMenuItem::separator(app)?,
                          */
-                        &MenuItem::with_id(app, "quit", "Quit", true, None::<&str>).unwrap(),
+                        &quit_menu_item,
                     ],
                 )
-                .unwrap();
+                .expect("Failed to generate menu");
 
                 run_on_tray(|| {
                     TrayIconBuilder::new()
-                        .icon(app.default_window_icon().unwrap().clone())
+                        .icon(app.default_window_icon().expect("Failed to get default window icon").clone())
                         .menu(&menu)
                         .on_menu_event(|app, event| match event.id.as_ref() {
                             "open" => {
-                                app.webview_windows().get("main").unwrap().show().unwrap();
+                                app.webview_windows()
+                                    .get("main")
+                                    .expect("Failed to get webview")
+                                    .show()
+                                    .expect("Failed to show window");
                             }
                             "quit" => {
                                 cleanup_and_exit(app, &app.state());
@@ -422,15 +439,19 @@ pub fn run() {
                 {
                     let mut db_handle = borrow_db_mut_checked();
                     if let Some(original) = db_handle.prev_database.take() {
+                        let canonicalised = match original.canonicalize() {
+                            Ok(o) => o,
+                            Err(_) => original,
+                        };
                         warn!(
                             "Database corrupted. Original file at {}",
-                            original.canonicalize().unwrap().to_string_lossy()
+                            canonicalised.display()
                         );
                         app.dialog()
-                            .message(
+                            .message(format!(
-                                "Database corrupted. A copy has been saved at: ".to_string()
+                                "Database corrupted. A copy has been saved at: {}",
-                                    + original.to_str().unwrap(),
+                                canonicalised.display()
-                            )
+                            ))
                             .title("Database corrupted")
                             .show(|_| {});
                     }
@@ -441,7 +462,7 @@ pub fn run() {
         })
         .register_asynchronous_uri_scheme_protocol("object", move |_ctx, request, responder| {
             tauri::async_runtime::spawn(async move {
-                fetch_object(request, responder).await;
+                fetch_object_wrapper(request, responder).await;
             });
         })
         .register_asynchronous_uri_scheme_protocol("server", |ctx, request, responder| {
@@ -452,8 +473,8 @@ pub fn run() {
 
                 offline!(
                     state,
-                    handle_server_proto,
+                    handle_server_proto_wrapper,
-                    handle_server_proto_offline,
+                    handle_server_proto_offline_wrapper,
                     request,
                     responder
                 )
@@ -463,7 +484,7 @@ pub fn run() {
         .on_window_event(|window, event| {
             if let WindowEvent::CloseRequested { api, .. } = event {
                 run_on_tray(|| {
-                    window.hide().unwrap();
+                    window.hide().expect("Failed to close window in tray");
                     api.prevent_close();
                 });
             }

src-tauri/src/process/commands.rs

@@ -1,14 +1,14 @@
 use std::sync::Mutex;
 
-use crate::{error::process_error::ProcessError, AppState};
+use crate::{error::process_error::ProcessError, lock, AppState};
 
 #[tauri::command]
 pub fn launch_game(
     id: String,
     state: tauri::State<'_, Mutex<AppState>>,
 ) -> Result<(), ProcessError> {
-    let state_lock = state.lock().unwrap();
+    let state_lock = lock!(state);
-    let mut process_manager_lock = state_lock.process_manager.lock().unwrap();
+    let mut process_manager_lock = lock!(state_lock.process_manager);
 
     //let meta = DownloadableMetadata {
     //    id,
@@ -32,8 +32,8 @@ pub fn kill_game(
     game_id: String,
     state: tauri::State<'_, Mutex<AppState>>,
 ) -> Result<(), ProcessError> {
-    let state_lock = state.lock().unwrap();
+    let state_lock = lock!(state);
-    let mut process_manager_lock = state_lock.process_manager.lock().unwrap();
+    let mut process_manager_lock = lock!(state_lock.process_manager);
     process_manager_lock
         .kill_game(game_id)
         .map_err(ProcessError::IOError)
@@ -44,7 +44,7 @@ pub fn open_process_logs(
     game_id: String,
     state: tauri::State<'_, Mutex<AppState>>,
 ) -> Result<(), ProcessError> {
-    let state_lock = state.lock().unwrap();
+    let state_lock = lock!(state);
-    let mut process_manager_lock = state_lock.process_manager.lock().unwrap();
+    let mut process_manager_lock = lock!(state_lock.process_manager);
     process_manager_lock.open_process_logs(game_id)
 }

src-tauri/src/process/process_handlers.rs

@@ -10,6 +10,7 @@ use log::{debug, info};
 use crate::{
     AppState,
     database::models::data::{Database, DownloadableMetadata, GameVersion},
+    error::process_error::ProcessError,
     process::process_manager::{Platform, ProcessHandler},
 };
 
@@ -22,8 +23,8 @@ impl ProcessHandler for NativeGameLauncher {
         args: Vec<String>,
         _game_version: &GameVersion,
         _current_dir: &str,
-    ) -> String {
+    ) -> Result<String, ProcessError> {
-        format!("\"{}\" {}", launch_command, args.join(" "))
+        Ok(format!("\"{}\" {}", launch_command, args.join(" ")))
     }
 
     fn valid_for_platform(&self, _db: &Database, _state: &AppState, _target: &Platform) -> bool {
@@ -65,7 +66,7 @@ impl ProcessHandler for UMULauncher {
         args: Vec<String>,
         game_version: &GameVersion,
         _current_dir: &str,
-    ) -> String {
+    ) -> Result<String, ProcessError> {
         debug!("Game override: \"{:?}\"", &game_version.umu_id_override);
         let game_id = match &game_version.umu_id_override {
             Some(game_override) => {
@@ -77,12 +78,12 @@ impl ProcessHandler for UMULauncher {
             }
             None => game_version.game_id.clone(),
         };
-        format!(
+        Ok(format!(
             "GAMEID={game_id} {umu:?} \"{launch}\" {args}",
-            umu = UMU_LAUNCHER_EXECUTABLE.as_ref().unwrap(),
+            umu = UMU_LAUNCHER_EXECUTABLE.as_ref().expect("Failed to get UMU_LAUNCHER_EXECUTABLE as ref"),
             launch = launch_command,
             args = args.join(" ")
-        )
+        ))
     }
 
     fn valid_for_platform(&self, _db: &Database, state: &AppState, _target: &Platform) -> bool {
@@ -102,7 +103,7 @@ impl ProcessHandler for AsahiMuvmLauncher {
         args: Vec<String>,
         game_version: &GameVersion,
         current_dir: &str,
-    ) -> String {
+    ) -> Result<String, ProcessError> {
         let umu_launcher = UMULauncher {};
         let umu_string = umu_launcher.create_launch_process(
             meta,
@@ -110,15 +111,18 @@ impl ProcessHandler for AsahiMuvmLauncher {
             args,
             game_version,
             current_dir,
-        );
+        )?;
         let mut args_cmd = umu_string
             .split("umu-run")
             .collect::<Vec<&str>>()
             .into_iter();
-        let args = args_cmd.next().unwrap().trim();
+        let args = args_cmd
-        let cmd = format!("umu-run{}", args_cmd.next().unwrap());
+            .next()
+            .ok_or(ProcessError::InvalidArguments(umu_string.clone()))?
+            .trim();
+        let cmd = format!("umu-run{}", args_cmd.next().ok_or(ProcessError::InvalidArguments(umu_string.clone()))?);
 
-        format!("{args} muvm -- {cmd}")
+        Ok(format!("{args} muvm -- {cmd}"))
     }
 
     #[allow(unreachable_code)]

src-tauri/src/process/process_manager.rs

@@ -19,7 +19,7 @@ use tauri::{AppHandle, Emitter, Manager};
 use tauri_plugin_opener::OpenerExt;
 
 use crate::{
-    AppState, DB,
+    AppState,
     database::{
         db::{DATA_ROOT_DIR, borrow_db_checked, borrow_db_mut_checked},
         models::data::{
@@ -33,6 +33,7 @@ use crate::{
         format::DropFormatArgs,
         process_handlers::{AsahiMuvmLauncher, NativeGameLauncher, UMULauncher},
     },
+    lock,
 };
 
 pub struct RunningProcess {
@@ -118,7 +119,7 @@ impl ProcessManager<'_> {
         let dir = self.get_log_dir(game_id);
         self.app_handle
             .opener()
-            .open_path(dir.to_str().unwrap(), None::<&str>)
+            .open_path(dir.display().to_string(), None::<&str>)
             .map_err(ProcessError::OpenerError)?;
         Ok(())
     }
@@ -133,7 +134,13 @@ impl ProcessManager<'_> {
 
         debug!("process for {:?} exited with {:?}", &game_id, result);
 
-        let process = self.processes.remove(&game_id).unwrap();
+        let process = match self.processes.remove(&game_id) {
+            Some(process) => process,
+            None => {
+                info!("Attempted to stop process {game_id} which didn't exist");
+                return;
+            }
+        };
 
         let mut db_handle = borrow_db_mut_checked();
         let meta = db_handle
@@ -141,7 +148,7 @@ impl ProcessManager<'_> {
             .installed_game_version
             .get(&game_id)
             .cloned()
-            .unwrap();
+            .unwrap_or_else(|| panic!("Could not get installed version of {}", &game_id));
         db_handle.applications.transient_statuses.remove(&meta);
 
         let current_state = db_handle.applications.game_statuses.get(&game_id).cloned();
@@ -166,20 +173,17 @@ impl ProcessManager<'_> {
         // Or if the status isn't 0
         // Or if it's an error
         if !process.manually_killed
-            && (elapsed.as_secs() <= 2 || result.is_err() || !result.unwrap().success())
+            && (elapsed.as_secs() <= 2 || result.map_or(true, |r| !r.success()))
         {
             warn!("drop detected that the game {game_id} may have failed to launch properly");
             let _ = self.app_handle.emit("launch_external_error", &game_id);
         }
 
-        // This is too many unwraps for me to be comfortable
+        let version_data = match db_handle.applications.game_versions.get(&game_id) {
-        let version_data = db_handle
+            // This unwrap here should be resolved by just making the hashmap accept an option rather than just a String
-            .applications
+            Some(res) => res.get(&meta.version.unwrap()).expect("Failed to get game version from installed game versions. Is the database corrupted?"),
-            .game_versions
+            None => todo!(),
-            .get(&game_id)
+        };
-            .unwrap()
-            .get(&meta.version.unwrap())
-            .unwrap();
 
         let status = GameStatusManager::fetch_state(&game_id, &db_handle);
 
@@ -210,10 +214,10 @@ impl ProcessManager<'_> {
             .1)
     }
 
-    pub fn valid_platform(&self, platform: &Platform, state: &AppState) -> Result<bool, String> {
+    pub fn valid_platform(&self, platform: &Platform, state: &AppState) -> bool {
         let db_lock = borrow_db_checked();
         let process_handler = self.fetch_process_handler(&db_lock, state, platform);
-        Ok(process_handler.is_ok())
+        process_handler.is_ok()
     }
 
     pub fn launch_process(
@@ -225,9 +229,7 @@ impl ProcessManager<'_> {
             return Err(ProcessError::AlreadyRunning);
         }
 
-        let version = match DB
+        let version = match borrow_db_checked()
-            .borrow_data()
-            .unwrap()
             .applications
             .game_statuses
             .get(&game_id)
@@ -266,7 +268,7 @@ impl ProcessManager<'_> {
         debug!(
             "Launching process {:?} with version {:?}",
             &game_id,
-            db_lock.applications.game_versions.get(&game_id).unwrap()
+            db_lock.applications.game_versions.get(&game_id)
         );
 
         let game_version = db_lock
@@ -322,8 +324,9 @@ impl ProcessManager<'_> {
             GameDownloadStatus::Remote {} => unreachable!("Game registered as 'Remote'"),
         };
 
+        #[allow(clippy::unwrap_used)]
         let launch = PathBuf::from_str(install_dir).unwrap().join(launch);
-        let launch = launch.to_str().unwrap();
+        let launch = launch.display().to_string();
 
         let launch_string = process_handler.create_launch_process(
             &meta,
@@ -331,7 +334,7 @@ impl ProcessManager<'_> {
             args.clone(),
             game_version,
             install_dir,
-        );
+        )?;
 
         let format_args = DropFormatArgs::new(
             launch_string,
@@ -392,9 +395,12 @@ impl ProcessManager<'_> {
             let result: Result<ExitStatus, std::io::Error> = launch_process_handle.wait();
 
             let app_state = wait_thread_apphandle.state::<Mutex<AppState>>();
-            let app_state_handle = app_state.lock().unwrap();
+            let app_state_handle = lock!(app_state);
 
-            let mut process_manager_handle = app_state_handle.process_manager.lock().unwrap();
+            let mut process_manager_handle = app_state_handle
+                .process_manager
+                .lock()
+                .expect("Failed to lock onto process manager");
             process_manager_handle.on_process_finish(wait_thread_game_id.id, result);
 
             // As everything goes out of scope, they should get dropped
@@ -468,7 +474,7 @@ pub trait ProcessHandler: Send + 'static {
         args: Vec<String>,
         game_version: &GameVersion,
         current_dir: &str,
-    ) -> String;
+    ) -> Result<String, ProcessError>;
 
     fn valid_for_platform(&self, db: &Database, state: &AppState, target: &Platform) -> bool;
 }

src-tauri/src/remote/auth.rs

@@ -9,10 +9,10 @@ use tauri::{AppHandle, Emitter, Manager};
 use url::Url;
 
 use crate::{
-    database::{
+    app_emit, database::{
         db::{borrow_db_checked, borrow_db_mut_checked},
         models::data::DatabaseAuth,
-    }, error::{drop_server_error::DropServerError, remote_access_error::RemoteAccessError}, remote::{cache::clear_cached_object, requests::make_authenticated_get, utils::{DROP_CLIENT_ASYNC, DROP_CLIENT_SYNC}}, AppState, AppStatus, User
+    }, error::{drop_server_error::DropServerError, remote_access_error::RemoteAccessError}, lock, remote::{cache::clear_cached_object, requests::make_authenticated_get, utils::{DROP_CLIENT_ASYNC, DROP_CLIENT_SYNC}}, AppState, AppStatus, User
 };
 
 use super::{
@@ -51,12 +51,13 @@ struct HandshakeResponse {
 pub fn generate_authorization_header() -> String {
     let certs = {
         let db = borrow_db_checked();
-        db.auth.clone().unwrap()
+        db.auth.clone().expect("Authorisation not initialised")
     };
 
     let nonce = Utc::now().timestamp_millis().to_string();
 
-    let signature = sign_nonce(certs.private, nonce.clone()).unwrap();
+    let signature =
+        sign_nonce(certs.private, nonce.clone()).expect("Failed to generate authorisation header");
 
     format!("Nonce {} {} {}", certs.client_id, nonce, signature)
 }
@@ -83,7 +84,7 @@ pub async fn fetch_user() -> Result<User, RemoteAccessError> {
 async fn recieve_handshake_logic(app: &AppHandle, path: String) -> Result<(), RemoteAccessError> {
     let path_chunks: Vec<&str> = path.split('/').collect();
     if path_chunks.len() != 3 {
-        app.emit("auth/failed", ()).unwrap();
+        app_emit!(app, "auth/failed", ());
         return Err(RemoteAccessError::HandshakeFailed(
             "failed to parse token".to_string(),
         ));
@@ -94,11 +95,15 @@ async fn recieve_handshake_logic(app: &AppHandle, path: String) -> Result<(), Re
         Url::parse(handle.base_url.as_str())?
     };
 
-    let client_id = path_chunks.get(1).unwrap();
+    let client_id = path_chunks
-    let token = path_chunks.get(2).unwrap();
+        .get(1)
+        .expect("Failed to get client id from path chunks");
+    let token = path_chunks
+        .get(2)
+        .expect("Failed to get token from path chunks");
     let body = HandshakeRequestBody {
-        client_id: (*client_id).to_string(),
+        client_id: (client_id).to_string(),
-        token: (*token).to_string(),
+        token: (token).to_string(),
     };
 
     let endpoint = base_url.join("/api/v1/client/auth/handshake")?;
@@ -116,37 +121,34 @@ async fn recieve_handshake_logic(app: &AppHandle, path: String) -> Result<(), Re
             private: response_struct.private,
             cert: response_struct.certificate,
             client_id: response_struct.id,
-            web_token: None, // gets created later
+            web_token: None,
         });
     }
 
     let web_token = {
         let header = generate_authorization_header();
         let token = client
-            .post(base_url.join("/api/v1/client/user/webtoken").unwrap())
+            .post(base_url.join("/api/v1/client/user/webtoken")?)
             .header("Authorization", header)
             .send()
-            .await
+            .await?;
-            .unwrap();
 
-        token.text().await.unwrap()
+        token.text().await?
     };
-
     let mut handle = borrow_db_mut_checked();
-    let mut_auth = handle.auth.as_mut().unwrap();
+    handle.auth.as_mut().unwrap().web_token = Some(web_token);
-    mut_auth.web_token = Some(web_token);
 
     Ok(())
 }
 
 pub async fn recieve_handshake(app: AppHandle, path: String) {
     // Tell the app we're processing
-    app.emit("auth/processing", ()).unwrap();
+    app_emit!(app, "auth/processing", ());
 
     let handshake_result = recieve_handshake_logic(&app, path).await;
     if let Err(e) = handshake_result {
         warn!("error with authentication: {e}");
-        app.emit("auth/failed", e.to_string()).unwrap();
+        app_emit!(app, "auth/failed", e.to_string());
         return;
     }
 
@@ -154,7 +156,7 @@ pub async fn recieve_handshake(app: AppHandle, path: String) {
 
     let (app_status, user) = setup().await;
 
-    let mut state_lock = app_state.lock().unwrap();
+    let mut state_lock = lock!(app_state);
 
     state_lock.status = app_status;
     state_lock.user = user;
@@ -164,7 +166,7 @@ pub async fn recieve_handshake(app: AppHandle, path: String) {
 
     drop(state_lock);
 
-    app.emit("auth/finished", ()).unwrap();
+    app_emit!(app, "auth/finished", ());
 }
 
 pub fn auth_initiate_logic(mode: String) -> Result<String, RemoteAccessError> {
@@ -177,7 +179,7 @@ pub fn auth_initiate_logic(mode: String) -> Result<String, RemoteAccessError> {
 
     let endpoint = base_url.join("/api/v1/client/auth/initiate")?;
     let body = InitiateRequestBody {
-        name: format!("{} (Desktop)", hostname.into_string().unwrap()),
+        name: format!("{} (Desktop)", hostname.display()),
         platform: env::consts::OS.to_string(),
         capabilities: HashMap::from([
             ("peerAPI".to_owned(), CapabilityConfiguration {}),
@@ -211,12 +213,14 @@ pub async fn setup() -> (AppStatus, Option<User>) {
         let user_result = match fetch_user().await {
             Ok(data) => data,
             Err(RemoteAccessError::FetchError(_)) => {
-                let user = get_cached_object::<User>("user").unwrap();
+                let user = get_cached_object::<User>("user").ok();
-                return (AppStatus::Offline, Some(user));
+                return (AppStatus::Offline, user);
             }
             Err(_) => return (AppStatus::SignedInNeedsReauth, None),
         };
-        cache_object("user", &user_result).unwrap();
+        if let Err(e) = cache_object("user", &user_result) {
+            warn!("Could not cache user object with error {e}");
+        }
         return (AppStatus::SignedIn, Some(user_result));
     }
 

src-tauri/src/remote/cache.rs

@@ -7,16 +7,16 @@ use std::{
 
 use crate::{
     database::{db::borrow_db_checked, models::data::Database},
-    error::remote_access_error::RemoteAccessError,
+    error::{cache_error::CacheError, remote_access_error::RemoteAccessError},
 };
 use bitcode::{Decode, DecodeOwned, Encode};
-use http::{Response, header::CONTENT_TYPE, response::Builder as ResponseBuilder};
+use http::{header::{CONTENT_TYPE}, response::Builder as ResponseBuilder, Response};
 
 #[macro_export]
 macro_rules! offline {
     ($var:expr, $func1:expr, $func2:expr, $( $arg:expr ),* ) => {
 
-        async move { if $crate::borrow_db_checked().settings.force_offline || $var.lock().unwrap().status == $crate::AppStatus::Offline {
+        async move { if $crate::borrow_db_checked().settings.force_offline || $crate::lock!($var).status == $crate::AppStatus::Offline {
             $func2( $( $arg ), *).await
         } else {
             $func1( $( $arg ), *).await
@@ -104,30 +104,36 @@ impl ObjectCache {
     }
 }
 
-impl From<Response<Vec<u8>>> for ObjectCache {
+impl TryFrom<Response<Vec<u8>>> for ObjectCache {    
-    fn from(value: Response<Vec<u8>>) -> Self {
+    type Error = CacheError;
-        ObjectCache {
+    
+    fn try_from(value: Response<Vec<u8>>) -> Result<Self, Self::Error> {
+        Ok(ObjectCache {
             content_type: value
                 .headers()
                 .get(CONTENT_TYPE)
-                .unwrap()
+                .ok_or(CacheError::HeaderNotFound(CONTENT_TYPE))?
                 .to_str()
-                .unwrap()
+                .map_err(CacheError::ParseError)?
                 .to_owned(),
             body: value.body().clone(),
             expiry: get_sys_time_in_secs() + 60 * 60 * 24,
-        }
+        })
+
     }
 }
-impl From<ObjectCache> for Response<Vec<u8>> {
+impl TryFrom<ObjectCache> for Response<Vec<u8>> {
-    fn from(value: ObjectCache) -> Self {
+    type Error = CacheError;
+    fn try_from(value: ObjectCache) -> Result<Self, Self::Error> {
         let resp_builder = ResponseBuilder::new().header(CONTENT_TYPE, value.content_type);
-        resp_builder.body(value.body).unwrap()
+        resp_builder.body(value.body).map_err(CacheError::ConstructionError)
     }
 }
-impl From<&ObjectCache> for Response<Vec<u8>> {
+impl TryFrom<&ObjectCache> for Response<Vec<u8>> {
-    fn from(value: &ObjectCache) -> Self {
+    type Error = CacheError;
+
+    fn try_from(value: &ObjectCache) -> Result<Self, Self::Error> {
         let resp_builder = ResponseBuilder::new().header(CONTENT_TYPE, value.content_type.clone());
-        resp_builder.body(value.body.clone()).unwrap()
+        resp_builder.body(value.body.clone()).map_err(CacheError::ConstructionError)
     }
 }

src-tauri/src/remote/commands.rs

@@ -8,14 +8,16 @@ use tauri::{AppHandle, Emitter, Manager};
 use url::Url;
 
 use crate::{
-    AppState, AppStatus,
+    AppState, AppStatus, app_emit,
     database::db::{borrow_db_checked, borrow_db_mut_checked},
     error::remote_access_error::RemoteAccessError,
+    lock,
     remote::{
         auth::generate_authorization_header,
         requests::generate_url,
         utils::{DROP_CLIENT_SYNC, DROP_CLIENT_WS_CLIENT},
     },
+    utils::webbrowser_open::webbrowser_open,
 };
 
 use super::{
@@ -40,7 +42,7 @@ pub fn gen_drop_url(path: String) -> Result<String, RemoteAccessError> {
         Url::parse(&handle.base_url).map_err(RemoteAccessError::ParsingError)?
     };
 
-    let url = base_url.join(&path).unwrap();
+    let url = base_url.join(&path)?;
 
     Ok(url.to_string())
 }
@@ -77,20 +79,20 @@ pub fn sign_out(app: AppHandle) {
     // Update app state
     {
         let app_state = app.state::<Mutex<AppState>>();
-        let mut app_state_handle = app_state.lock().unwrap();
+        let mut app_state_handle = lock!(app_state);
         app_state_handle.status = AppStatus::SignedOut;
         app_state_handle.user = None;
     }
 
     // Emit event for frontend
-    app.emit("auth/signedout", ()).unwrap();
+    app_emit!(app, "auth/signedout", ());
 }
 
 #[tauri::command]
 pub async fn retry_connect(state: tauri::State<'_, Mutex<AppState<'_>>>) -> Result<(), ()> {
     let (app_status, user) = setup().await;
 
-    let mut guard = state.lock().unwrap();
+    let mut guard = lock!(state);
     guard.status = app_status;
     guard.user = user;
     drop(guard);
@@ -109,7 +111,7 @@ pub fn auth_initiate() -> Result<(), RemoteAccessError> {
     let complete_redir_url = base_url.join(&redir_url)?;
 
     debug!("opening web browser to continue authentication");
-    webbrowser::open(complete_redir_url.as_ref()).unwrap();
+    webbrowser_open(complete_redir_url.as_ref());
     Ok(())
 }
 
@@ -124,7 +126,7 @@ struct CodeWebsocketResponse {
 pub fn auth_initiate_code(app: AppHandle) -> Result<String, RemoteAccessError> {
     let base_url = {
         let db_lock = borrow_db_checked();
-        Url::parse(&db_lock.base_url.clone())?
+        Url::parse(&db_lock.base_url.clone())?.clone()
     };
 
     let code = auth_initiate_logic("code".to_string())?;
@@ -151,14 +153,13 @@ pub fn auth_initiate_code(app: AppHandle) -> Result<String, RemoteAccessError> {
                     match response.response_type.as_str() {
                         "token" => {
                             let recieve_app = app.clone();
-                            manual_recieve_handshake(recieve_app, response.value).await.unwrap();
+                            manual_recieve_handshake(recieve_app, response.value).await;
                             return Ok(());
                         }
                         _ => return Err(RemoteAccessError::HandshakeFailed(response.value)),
                     }
                 }
             }
-
             Err(RemoteAccessError::HandshakeFailed(
                 "Failed to connect to websocket".to_string(),
             ))
@@ -167,7 +168,7 @@ pub fn auth_initiate_code(app: AppHandle) -> Result<String, RemoteAccessError> {
         let result = load().await;
         if let Err(err) = result {
             warn!("{err}");
-            app.emit("auth/failed", err.to_string()).unwrap();
+            app_emit!(app, "auth/failed", err.to_string());
         }
     });
 
@@ -175,8 +176,6 @@ pub fn auth_initiate_code(app: AppHandle) -> Result<String, RemoteAccessError> {
 }
 
 #[tauri::command]
-pub async fn manual_recieve_handshake(app: AppHandle, token: String) -> Result<(), ()> {
+pub async fn manual_recieve_handshake(app: AppHandle, token: String) {
     recieve_handshake(app, format!("handshake/{token}")).await;
-
-    Ok(())
 }

src-tauri/src/remote/fetch_object.rs

@@ -1,15 +1,26 @@
-use http::{header::CONTENT_TYPE, response::Builder as ResponseBuilder};
+use http::{header::CONTENT_TYPE, response::Builder as ResponseBuilder, Response};
-use log::warn;
+use log::{debug, warn};
 use tauri::UriSchemeResponder;
 
-use crate::{database::db::DatabaseImpls, remote::utils::DROP_CLIENT_ASYNC, DB};
+use crate::{database::db::DatabaseImpls, error::cache_error::CacheError, remote::utils::DROP_CLIENT_ASYNC, DB};
 
 use super::{
     auth::generate_authorization_header,
     cache::{ObjectCache, cache_object, get_cached_object},
 };
 
-pub async fn fetch_object(request: http::Request<Vec<u8>>, responder: UriSchemeResponder) {
+pub async fn fetch_object_wrapper(request: http::Request<Vec<u8>>, responder: UriSchemeResponder) {
+    match fetch_object(request).await {
+        Ok(r) => responder.respond(r),
+        Err(e) => {
+            warn!("Cache error: {e}");
+            responder.respond(Response::builder().status(500).body(Vec::new()).expect("Failed to build error response"));
+        }
+    };
+}
+
+pub async fn fetch_object(request: http::Request<Vec<u8>>) -> Result<Response<Vec<u8>>, CacheError>
+{
     // Drop leading /
     let object_id = &request.uri().path()[1..];
 
@@ -17,8 +28,7 @@ pub async fn fetch_object(request: http::Request<Vec<u8>>, responder: UriSchemeR
     if let Ok(cache_result) = &cache_result
         && !cache_result.has_expired()
     {
-        responder.respond(cache_result.into());
+        return cache_result.try_into();
-        return;
     }
 
     let header = generate_authorization_header();
@@ -26,26 +36,40 @@ pub async fn fetch_object(request: http::Request<Vec<u8>>, responder: UriSchemeR
     let url = format!("{}api/v1/client/object/{object_id}", DB.fetch_base_url());
     let response = client.get(url).header("Authorization", header).send().await;
 
-    if response.is_err() {
+    match response {
-        match cache_result {
+        Ok(r) => {
-            Ok(cache_result) => responder.respond(cache_result.into()),
+            let resp_builder = ResponseBuilder::new().header(
-            Err(e) => {
+                CONTENT_TYPE,
-                warn!("{e}");
+                r.headers()
+                    .get("Content-Type")
+                    .expect("Failed get Content-Type header"),
+            );
+            let data = match r.bytes().await {
+                Ok(data) => Vec::from(data),
+                Err(e) => {
+                    warn!(
+                        "Could not get data from cache object {object_id} with error {e}",
+                    );
+                    Vec::new()
+                }
+            };
+            let resp = resp_builder.body(data).expect("Failed to build object cache response body");
+            if cache_result.map_or(true, |x| x.has_expired()) {
+                cache_object::<ObjectCache>(object_id, &resp.clone().try_into()?)
+                    .expect("Failed to create cached object");
+            }
+
+            Ok(resp)
+        }
+        Err(e) => {
+            debug!("Object fetch failed with error {e}. Attempting to download from cache");
+            match cache_result {
+                Ok(cache_result) => cache_result.try_into(),
+                Err(e) => {
+                    warn!("{e}");
+                    Err(CacheError::Remote(e))
+                }
             }
         }
-        return;
     }
-    let response = response.unwrap();
-
-    let resp_builder = ResponseBuilder::new().header(
-        CONTENT_TYPE,
-        response.headers().get("Content-Type").unwrap(),
-    );
-    let data = Vec::from(response.bytes().await.unwrap());
-    let resp = resp_builder.body(data).unwrap();
-    if cache_result.is_err() || cache_result.unwrap().has_expired() {
-        cache_object::<ObjectCache>(object_id, &resp.clone().into()).unwrap();
-    }
-
-    responder.respond(resp);
 }

src-tauri/src/remote/server_proto.rs

@@ -1,57 +1,91 @@
 use std::str::FromStr;
 
 use http::{uri::PathAndQuery, Request, Response, StatusCode, Uri};
+use log::{error, warn};
 use tauri::UriSchemeResponder;
 
-use crate::{database::db::borrow_db_checked, remote::utils::DROP_CLIENT_SYNC};
+use crate::{database::db::borrow_db_checked, remote::utils::DROP_CLIENT_SYNC, utils::webbrowser_open::webbrowser_open};
 
-pub async fn handle_server_proto_offline(_request: Request<Vec<u8>>, responder: UriSchemeResponder) {
+pub async fn handle_server_proto_offline_wrapper(request: Request<Vec<u8>>, responder: UriSchemeResponder) {
-    let four_oh_four = Response::builder()
+    responder.respond(match handle_server_proto_offline(request).await {
-        .status(StatusCode::NOT_FOUND)
+        Ok(res) => res,
-        .body(Vec::new())
+        Err(_) => unreachable!()
-        .unwrap();
+    });
-    responder.respond(four_oh_four);
 }
 
-pub async fn handle_server_proto(request: Request<Vec<u8>>, responder: UriSchemeResponder) {
+pub async fn handle_server_proto_offline(_request: Request<Vec<u8>>) -> Result<Response<Vec<u8>>, StatusCode>{
+    Ok(Response::builder()
+        .status(StatusCode::NOT_FOUND)
+        .body(Vec::new())
+        .expect("Failed to build error response for proto offline"))
+        
+}
+
+pub async fn handle_server_proto_wrapper(request: Request<Vec<u8>>, responder: UriSchemeResponder) {
+    match handle_server_proto(request).await {
+        Ok(r) => responder.respond(r),
+        Err(e) => {
+            warn!("Cache error: {e}");
+            responder.respond(Response::builder().status(e).body(Vec::new()).expect("Failed to build error response"));
+        }
+    }
+}
+
+async fn handle_server_proto(request: Request<Vec<u8>>) -> Result<Response<Vec<u8>>, StatusCode> {
     let db_handle = borrow_db_checked();
-    let web_token = match &db_handle.auth.as_ref().unwrap().web_token {
+    let auth = match db_handle.auth.as_ref() {
-        Some(e) => e,
+        Some(auth) => auth,
-        None => return,
+        None => {
+            error!("Could not find auth in database");
+            return Err(StatusCode::UNAUTHORIZED)
+        }
     };
-    let remote_uri = db_handle.base_url.parse::<Uri>().unwrap();
+    let web_token = match &auth.web_token {
+        Some(token) => token,
+        None => return Err(StatusCode::UNAUTHORIZED),
+    };
+    let remote_uri = db_handle.base_url.parse::<Uri>().expect("Failed to parse base url");
 
     let path = request.uri().path();
 
     let mut new_uri = request.uri().clone().into_parts();
     new_uri.path_and_query =
-        Some(PathAndQuery::from_str(&format!("{path}?noWrapper=true")).unwrap());
+        Some(PathAndQuery::from_str(&format!("{path}?noWrapper=true")).expect("Failed to parse request path in proto"));
     new_uri.authority = remote_uri.authority().cloned();
     new_uri.scheme = remote_uri.scheme().cloned();
-    let new_uri = Uri::from_parts(new_uri).unwrap();
+    let err_msg = &format!("Failed to build new uri from parts {new_uri:?}");
+    let new_uri = Uri::from_parts(new_uri).expect(err_msg);
 
     let whitelist_prefix = ["/store", "/api", "/_", "/fonts"];
 
     if whitelist_prefix.iter().all(|f| !path.starts_with(f)) {
-        webbrowser::open(&new_uri.to_string()).unwrap();
+        webbrowser_open(new_uri.to_string());
-        return;
+        return Ok(Response::new(Vec::new()))
     }
 
     let client = DROP_CLIENT_SYNC.clone();
-    let response = client
+    let response = match client
         .request(request.method().clone(), new_uri.to_string())
         .header("Authorization", format!("Bearer {web_token}"))
         .headers(request.headers().clone())
-        .send()
+        .send() {
-        .unwrap();
+            Ok(response) => response,
+            Err(e) => {
+                warn!("Could not send response. Got {e} when sending");
+                return Err(e.status().unwrap_or(StatusCode::BAD_REQUEST))
+            },
+        };
 
     let response_status = response.status();
-    let response_body = response.bytes().unwrap();
+    let response_body = match response.bytes() {
+        Ok(bytes) => bytes,
+        Err(e) => return Err(e.status().unwrap_or(StatusCode::INTERNAL_SERVER_ERROR)),
+    };
 
     let http_response = Response::builder()
         .status(response_status)
         .body(response_body.to_vec())
-        .unwrap();
+        .expect("Failed to build server proto response");
 
-    responder.respond(http_response);
+    Ok(http_response)
 }

src-tauri/src/remote/utils.rs

@@ -11,9 +11,7 @@ use serde::Deserialize;
 use url::Url;
 
 use crate::{
-    AppState, AppStatus,
+    database::db::{borrow_db_mut_checked, DATA_ROOT_DIR}, error::remote_access_error::RemoteAccessError, lock, AppState, AppStatus
-    database::db::{DATA_ROOT_DIR, borrow_db_mut_checked},
-    error::remote_access_error::RemoteAccessError,
 };
 
 #[derive(Deserialize)]
@@ -37,16 +35,41 @@ fn fetch_certificates() -> Vec<Certificate> {
                 match entry {
                     Ok(c) => {
                         let mut buf = Vec::new();
-                        File::open(c.path()).unwrap().read_to_end(&mut buf).unwrap();
+                        match File::open(c.path()) {
-
+                            Ok(f) => f,
-                        for cert in Certificate::from_pem_bundle(&buf).unwrap() {
+                            Err(e) => {
-                            certs.push(cert);
+                                warn!(
+                                    "Failed to open file at {} with error {}",
+                                    c.path().display(),
+                                    e
+                                );
+                                continue;
+                            }
+                        }
+                        .read_to_end(&mut buf)
+                        .unwrap_or_else(|e| panic!(
+                            "Failed to read to end of certificate file {} with error {}",
+                            c.path().display(),
+                            e
+                        ));
+
+                        match Certificate::from_pem_bundle(&buf) {
+                            Ok(certificates) => {
+                                for cert in certificates {
+                                    certs.push(cert);
+                                }
+                                info!(
+                                    "added {} certificate(s) from {}",
+                                    certs.len(),
+                                    c.file_name().display()
+                                );
+                            }
+                            Err(e) => warn!(
+                                "Invalid certificate file {} with error {}",
+                                c.path().display(),
+                                e
+                            ),
                         }
-                        info!(
-                            "added {} certificate(s) from {}",
-                            certs.len(),
-                            c.file_name().into_string().unwrap()
-                        );
                     }
                     Err(_) => todo!(),
                 }
@@ -65,7 +88,7 @@ pub fn get_client_sync() -> reqwest::blocking::Client {
     for cert in DROP_CERT_BUNDLE.iter() {
         client = client.add_root_certificate(cert.clone());
     }
-    client.use_rustls_tls().build().unwrap()
+    client.use_rustls_tls().build().expect("Failed to build synchronous client")
 }
 pub fn get_client_async() -> reqwest::Client {
     let mut client = reqwest::ClientBuilder::new();
@@ -73,7 +96,7 @@ pub fn get_client_async() -> reqwest::Client {
     for cert in DROP_CERT_BUNDLE.iter() {
         client = client.add_root_certificate(cert.clone());
     }
-    client.use_rustls_tls().build().unwrap()
+    client.use_rustls_tls().build().expect("Failed to build asynchronous client")
 }
 pub fn get_client_ws() -> reqwest::Client {
     let mut client = reqwest::ClientBuilder::new();
@@ -81,7 +104,11 @@ pub fn get_client_ws() -> reqwest::Client {
     for cert in DROP_CERT_BUNDLE.iter() {
         client = client.add_root_certificate(cert.clone());
     }
-    client.use_rustls_tls().http1_only().build().unwrap()
+    client
+        .use_rustls_tls()
+        .http1_only()
+        .build()
+        .expect("Failed to build websocket client")
 }
 
 pub async fn use_remote_logic(
@@ -107,7 +134,7 @@ pub async fn use_remote_logic(
         return Err(RemoteAccessError::InvalidEndpoint);
     }
 
-    let mut app_state = state.lock().unwrap();
+    let mut app_state = lock!(state);
     app_state.status = AppStatus::SignedOut;
     drop(app_state);
 

src-tauri/src/utils/app_emit.rs

@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! app_emit {
+    ($app:expr, $event:expr, $p:expr) => {
+        $app.emit($event, $p).expect(&format!("Failed to emit event {}", $event));
+    };
+}

src-tauri/src/utils/download_manager_send.rs

@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! send {
+    ($download_manager:expr, $signal:expr) => {
+        $download_manager.send($signal).unwrap_or_else(|_| panic!("Failed to send signal {} to the download manager", stringify!(signal)))
+    };
+}

src-tauri/src/utils/lock.rs

@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! lock {
+    ($mutex:expr) => {
+        $mutex.lock().unwrap_or_else(|_| panic!("Failed to lock onto {}", stringify!($mutex)))
+    };
+}

src-tauri/src/utils/mod.rs

@@ -0,0 +1,4 @@
+mod app_emit;
+mod download_manager_send;
+mod lock;
+pub mod webbrowser_open;

src-tauri/src/utils/webbrowser_open.rs

@@ -0,0 +1,7 @@
+use log::warn;
+
+pub fn webbrowser_open<T: AsRef<str>>(url: T) {
+    if let Err(e) = webbrowser::open(url.as_ref()) {
+        warn!("Could not open web browser to url {} with error {}", url.as_ref(), e);
+    };
+}