Merge pull request #27 from ranfdev/nullables

Rewrite of ntfy-daemon. Adds basic tests with Nullables and removes any trace of capnp

Author: ranfdev

Cargo.lock

@@ -23,8 +23,6 @@ tracing-subscriber = "0.3"
 adw = { version = "0.7", package = "libadwaita", features = ["v1_6"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-capnp = "0.18.0"
-capnp-rpc = "0.18.0"
 anyhow = "1.0.71"
 chrono = "0.4.26"
 rand = "0.8.5"

Cargo.toml

@@ -17,6 +17,7 @@ https://ntfy.sh client application to receive everyday's notifications.
 ## Architecture
 
 The code is split between the GUI and the underlying ntfy-daemon.
+![](./architecture.svg)
 
 ## How to run
 Use gnome-builder to clone and run the project. Note: after clicking the "run"

README.md

@@ -37,17 +37,6 @@
         ]
     },
     "modules": [
-        {
-            "name": "capnp",
-            "buildsystem": "cmake",
-            "sources": [
-                {
-                    "type": "archive",
-                    "url": "https://capnproto.org/capnproto-c++-0.10.4.tar.gz",
-                    "sha256": "981e7ef6dbe3ac745907e55a78870fbb491c5d23abd4ebc04e20ec235af4458c"
-                }
-            ]
-        },
         {
           "name": "blueprint-compiler",
           "buildsystem": "meson",
@@ -56,7 +45,8 @@
             {
               "type": "git",
               "url": "https://gitlab.gnome.org/jwestman/blueprint-compiler",
-              "tag": "v0.14.0"
+              "tag": "v0.14.0",
+              "commit": "8e10fcf8692108b9d4ab78f41086c5d7773ef864"
             }
           ]
         },

architecture.svg

@@ -5,27 +5,23 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-
-[build-dependencies]
-capnpc = "0.17.2"
-
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-capnp = "0.18.0"
-capnp-rpc = "0.18.0"
 futures = "0.3.0"
 tokio = { version = "1.0.0", features = ["net", "rt", "macros", "parking_lot"]}
 tokio-util = { version = "0.7.4", features = ["compat", "io"] }
 clap = { version = "4.3.11", features = ["derive"] }
 anyhow = "1.0.71"
-tokio-stream = { version = "0.1.14", features = ["io-util", "time"] }
+tokio-stream = { version = "0.1.14", features = ["io-util", "time", "sync"] }
 rusqlite = "0.29.0"
 rand = "0.8.5"
-reqwest = { version = "0.11.18", features = ["stream", "rustls-tls-native-roots"]}
-url = "2.4.0"
-generational-arena = "0.2.9"
+reqwest = { version = "0.12.9", features = ["stream", "rustls-tls-native-roots"]}
+url = { version = "2.4.0", features = ["serde"] }
 tracing = "0.1.37"
 thiserror = "1.0.49"
 regex = "1.9.6"
 oo7 = "0.2.1"
+async-trait = "0.1.83"
+http = "1.1.0"
+async-channel = "2.3.1"

build-aux/com.ranfdev.Notify.Devel.json

@@ -0,0 +1,14 @@
+macro_rules! send_command {
+    ($self:expr, $command:expr) => {{
+        let (resp_tx, resp_rx) = oneshot::channel();
+        use anyhow::Context;
+        $self
+            .command_tx
+            .send($command(resp_tx))
+            .await
+            .context("Actor mailbox error")?;
+        resp_rx.await.context("Actor response error")?
+    }};
+}
+
+pub(crate) use send_command;

ntfy-daemon/Cargo.toml

@@ -1,65 +1,196 @@
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::rc::Rc;
+use std::sync::{Arc, RwLock};
+
+use async_trait::async_trait;
+
+#[derive(Clone)]
+pub struct KeyringItem {
+    attributes: HashMap<String, String>,
+    // we could zero-out this region of memory
+    secret: Vec<u8>,
+}
+
+impl KeyringItem {
+    async fn attributes(&self) -> HashMap<String, String> {
+        self.attributes.clone()
+    }
+    async fn secret(&self) -> &[u8] {
+        &self.secret[..]
+    }
+}
+
+#[async_trait]
+trait LightKeyring {
+    async fn search_items(
+        &self,
+        attributes: HashMap<&str, &str>,
+    ) -> anyhow::Result<Vec<KeyringItem>>;
+    async fn create_item(
+        &self,
+        label: &str,
+        attributes: HashMap<&str, &str>,
+        secret: &str,
+        replace: bool,
+    ) -> anyhow::Result<()>;
+    async fn delete(&self, attributes: HashMap<&str, &str>) -> anyhow::Result<()>;
+}
+
+struct RealKeyring {
+    keyring: oo7::Keyring,
+}
+
+#[async_trait]
+impl LightKeyring for RealKeyring {
+    async fn search_items(
+        &self,
+        attributes: HashMap<&str, &str>,
+    ) -> anyhow::Result<Vec<KeyringItem>> {
+        let items = self.keyring.search_items(attributes).await?;
+
+        let mut out_items = vec![];
+        for item in items {
+            out_items.push(KeyringItem {
+                attributes: item.attributes().await?,
+                secret: item.secret().await?.to_vec(),
+            });
+        }
+        Ok(out_items)
+    }
+
+    async fn create_item(
+        &self,
+        label: &str,
+        attributes: HashMap<&str, &str>,
+        secret: &str,
+        replace: bool,
+    ) -> anyhow::Result<()> {
+        self.keyring
+            .create_item(label, attributes, secret, replace)
+            .await?;
+        Ok(())
+    }
+
+    async fn delete(&self, attributes: HashMap<&str, &str>) -> anyhow::Result<()> {
+        self.keyring.delete(attributes).await?;
+        Ok(())
+    }
+}
+
+struct NullableKeyring {
+    search_response: Vec<KeyringItem>,
+}
+
+impl NullableKeyring {
+    pub fn new(search_response: Vec<KeyringItem>) -> Self {
+        Self { search_response }
+    }
+}
+
+#[async_trait]
+impl LightKeyring for NullableKeyring {
+    async fn search_items(
+        &self,
+        _attributes: HashMap<&str, &str>,
+    ) -> anyhow::Result<Vec<KeyringItem>> {
+        Ok(self.search_response.clone())
+    }
+
+    async fn create_item(
+        &self,
+        _label: &str,
+        _attributes: HashMap<&str, &str>,
+        _secret: &str,
+        _replace: bool,
+    ) -> anyhow::Result<()> {
+        Ok(())
+    }
+
+    async fn delete(&self, _attributes: HashMap<&str, &str>) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+impl NullableKeyring {
+    pub fn with_credentials(credentials: Vec<Credential>) -> Self {
+        let mut search_response = vec![];
+
+        for cred in credentials {
+            let attributes = HashMap::from([
+                ("type".to_string(), "password".to_string()),
+                ("username".to_string(), cred.username.clone()),
+                ("server".to_string(), cred.password.clone()),
+            ]);
+            search_response.push(KeyringItem {
+                attributes,
+                secret: cred.password.into_bytes(),
+            });
+        }
+
+        Self { search_response }
+    }
+}
 
 #[derive(Debug, Clone)]
 pub struct Credential {
     pub username: String,
     pub password: String,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Clone)]
 pub struct Credentials {
-    keyring: Rc<oo7::Keyring>,
-    creds: Rc<RefCell<HashMap<String, Credential>>>,
+    keyring: Arc<dyn LightKeyring + Send + Sync>,
+    creds: Arc<RwLock<HashMap<String, Credential>>>,
 }
 
 impl Credentials {
     pub async fn new() -> anyhow::Result<Self> {
         let mut this = Self {
-            keyring: Rc::new(
-                oo7::Keyring::new()
+            keyring: Arc::new(RealKeyring {
+                keyring: oo7::Keyring::new()
                     .await
                     .expect("Failed to start Secret Service"),
-            ),
+            }),
+            creds: Default::default(),
+        };
+        this.load().await?;
+        Ok(this)
+    }
+    pub async fn new_nullable(credentials: Vec<Credential>) -> anyhow::Result<Self> {
+        let mut this = Self {
+            keyring: Arc::new(NullableKeyring::with_credentials(credentials)),
             creds: Default::default(),
         };
         this.load().await?;
         Ok(this)
     }
     pub async fn load(&mut self) -> anyhow::Result<()> {
         let attrs = HashMap::from([("type", "password")]);
-        let values = self
-            .keyring
-            .search_items(attrs)
-            .await
-            .map_err(|e| capnp::Error::failed(e.to_string()))?;
+        let values = self.keyring.search_items(attrs).await?;
 
-        self.creds.borrow_mut().clear();
+        let mut lock = self.creds.write().unwrap();
+        lock.clear();
         for item in values {
-            let attrs = item
-                .attributes()
-                .await
-                .map_err(|e| capnp::Error::failed(e.to_string()))?;
-            self.creds.borrow_mut().insert(
+            let attrs = item.attributes().await;
+            lock.insert(
                 attrs["server"].to_string(),
                 Credential {
                     username: attrs["username"].to_string(),
-                    password: std::str::from_utf8(&item.secret().await?)?.to_string(),
+                    password: std::str::from_utf8(&item.secret().await)?.to_string(),
                 },
             );
         }
         Ok(())
     }
     pub fn get(&self, server: &str) -> Option<Credential> {
-        self.creds.borrow().get(server).cloned()
+        self.creds.read().unwrap().get(server).cloned()
     }
     pub fn list_all(&self) -> HashMap<String, Credential> {
-        self.creds.borrow().clone()
+        self.creds.read().unwrap().clone()
     }
     pub async fn insert(&self, server: &str, username: &str, password: &str) -> anyhow::Result<()> {
         {
-            if let Some(cred) = self.creds.borrow().get(server) {
+            if let Some(cred) = self.creds.read().unwrap().get(server) {
                 if cred.username != username {
                     anyhow::bail!("You can add only one account per server");
                 }
@@ -72,10 +203,9 @@ impl Credentials {
         ]);
         self.keyring
             .create_item("Password", attrs, password, true)
-            .await
-            .map_err(|e| capnp::Error::failed(e.to_string()))?;
+            .await?;
 
-        self.creds.borrow_mut().insert(
+        self.creds.write().unwrap().insert(
             server.to_string(),
             Credential {
                 username: username.to_string(),
@@ -87,7 +217,8 @@ impl Credentials {
     pub async fn delete(&self, server: &str) -> anyhow::Result<()> {
         let creds = {
             self.creds
-                .borrow()
+                .read()
+                .unwrap()
                 .get(server)
                 .ok_or(anyhow::anyhow!("server creds not found"))?
                 .clone()
@@ -97,12 +228,10 @@ impl Credentials {
             ("username", &creds.username),
             ("server", server),
         ]);
-        self.keyring
-            .delete(attrs)
-            .await
-            .map_err(|e| capnp::Error::failed(e.to_string()))?;
+        self.keyring.delete(attrs).await?;
         self.creds
-            .borrow_mut()
+            .write()
+            .unwrap()
             .remove(server)
             .ok_or(anyhow::anyhow!("server creds not found"))?;
         Ok(())