Start work on login form

Enable the axum feature to use it

Cargo.toml

@@ -10,7 +10,7 @@ futures = "0.3"
 tower = "0.4"
 tokio = { version = "1", features = [ "full" ] }
 hyper = { version = "0.14", features = [ "full" ] }
-axum = { version = "0.6", features = [ "headers", "http2", "macros", "tracing" ] }
+axum = { version = "0.6", features = [ "headers", "http2", "macros", "tracing", "json" ] }
 clap = { version = "4.3", features = [ "derive" ] }
 snafu = "0.7"
 log = "0.4"
@@ -20,7 +20,8 @@ env_logger = "0.10"
 ring = "0.16"
 hex = "0.4"
 chrono = { version = "0.4", features = [ "serde" ] }
-yunohost-api = { path = "yunohost-api" }
+yunohost-api = { path = "yunohost-api", features = [ "axum" ] }
 axum_typed_multipart = "0.8"
 async-trait = "0.1"
-serde = { version = "1", features = [ "derive" ] }
+serde = { version = "1", features = [ "derive" ] }
+file-owner = { version = "0.1" }

src/error.rs

@@ -16,4 +16,16 @@ pub enum Error {
 
     #[snafu(display("{}", source))]
     Session { source: crate::state::sessions::SessionError },
+
+    #[snafu(display("Failed to executed tokio task"))]
+    TokioTask { source: tokio::task::JoinError },
+
+    #[snafu(display("Failed to set permissions on file {}", path.display()))]
+    Permissions { path: PathBuf, source: std::io::Error },
+
+    #[snafu(display("Failed to set owner on file {}", path.display()))]
+    PermissionsChown { path: PathBuf, source: file_owner::FileOwnerError },
+
+    #[snafu(display("Failed to set group on file {}", path.display()))]
+    PermissionsChgrp { path: PathBuf, source: file_owner::FileOwnerError },
 }

src/main.rs

@@ -1,5 +1,6 @@
 #[macro_use] extern crate async_trait;
 #[macro_use] extern crate axum;
+#[macro_use] extern crate log;
 #[macro_use] extern crate serde;
 
 use clap::Parser;

src/routes/login.rs

@@ -1,16 +1,19 @@
 use axum::{
-    extract::{FromRequest, Form, Json, Query},
+    extract::{FromRequest, Form, Json, Query, State},
     http::{self, Request, StatusCode},
     response::{IntoResponse, Response},
     RequestExt,
 };
 use axum_typed_multipart::{TryFromMultipart, TypedMultipart};
+use yunohost_api::{Username, Password};
+
+use crate::state::RoutableAppState;
 
 #[derive(Debug, TryFromMultipart, Deserialize)]
 pub struct LoginForm {
-    username: String,
+    username: Username,
     #[allow(dead_code)]
-    password: String,
+    password: Password,
 }
 
 #[async_trait]
@@ -52,6 +55,10 @@ where
 }
 
 #[debug_handler]
-pub async fn route(form: LoginForm) -> String {
-    format!("Welcome {}", form.username)
+pub async fn route(state: State<RoutableAppState>, form: LoginForm) -> String {
+	if state.check_login(&form.username, &form.password).await.unwrap() {
+        format!("Welcome {}", &form.username)
+    } else {
+        format!("Invalid login for {}", &form.username)
+    }
 }

src/routes/mod.rs

@@ -13,7 +13,7 @@ mod login;
 pub fn router(subpath: Option<String>, state: RoutableAppState) -> Router {
     let app = Router::new()
         .route("/", get(index::route))
-        .route("/login/", get(login::route))
+        .route("/login/", post(login::route))
         .with_state(state);
     if let Some(p) = subpath {
         Router::new()

src/state/mod.rs

@@ -1,5 +1,5 @@
 use snafu::prelude::*;
-use yunohost_api::YunohostUsers;
+use yunohost_api::{YunohostUsers, Username, Password};
 
 use std::sync::Arc;
 
@@ -23,4 +23,8 @@ impl AppState {
             users: YunohostUsers::new(500).await.context(YunohostSnafu)?,
         })
     }
+
+    pub async fn check_login(&self, username: &Username, password: &Password) -> Result<bool, Error> {
+        self.users.check_credentials(username, password).await.context(YunohostSnafu)
+    }
 }

src/utils/fs.rs

@@ -0,0 +1,78 @@
+use file_owner::PathExt;
+use snafu::prelude::*;
+use tokio::{
+    fs::set_permissions,
+    task::spawn_blocking,
+};
+
+use std::{
+    fs::Permissions,
+    os::unix::fs::PermissionsExt,
+    path::Path,
+};
+
+use crate::error::*;
+
+pub struct FSPermissions {
+    pub owner: Option<String>,
+    pub group: Option<String>,
+    pub mode: Option<u32>,
+}
+
+impl FSPermissions {
+    pub fn new() -> FSPermissions {
+        FSPermissions {
+            owner: None,
+            group: None,
+            mode: None,
+        }
+    }
+
+    pub fn chown(mut self, owner: &str) -> Self {
+        self.owner = Some(owner.to_string());
+        self
+    }
+
+    pub fn chgrp(mut self, group: &str) -> Self {
+        self.group = Some(group.to_string());
+        self
+    }
+
+    pub fn chmod(mut self, mode: u32) -> Self {
+        self.mode = Some(mode);
+        self
+    }
+
+    pub async fn apply_to(&self, path: &Path) -> Result<(), Error> {
+        if let Some(mode) = self.mode {
+            set_permissions(
+                path,
+                Permissions::from_mode(mode)
+            ).await.context(PermissionsSnafu { path: path.to_path_buf()})?;
+        }
+
+        if let Some(owner) = &self.owner {
+            let owner = owner.to_string();
+            let path = path.to_path_buf();
+            let _ = spawn_blocking(move || -> Result<(), Error> {
+                Ok(
+                    path.set_owner(owner.as_str())
+                        .context(PermissionsChownSnafu { path: path.to_path_buf() })?
+                )
+            }).await.context(TokioTaskSnafu)?;
+        }
+
+        if let Some(group) = &self.group {
+            let group = group.to_string();
+            let path = path.to_path_buf();
+            let _ = spawn_blocking(move || -> Result<(), Error> {
+                Ok(
+                    path.set_group(group.as_str())
+                        .context(PermissionsChgrpSnafu { path: path.to_path_buf() })?
+                )
+            }).await.context(TokioTaskSnafu)?;
+        }
+
+        Ok(())
+    }
+}

src/utils/mod.rs

@@ -1,2 +1,3 @@
+pub mod fs;
 pub mod time;
 pub mod socket;

src/utils/socket.rs

@@ -21,7 +21,10 @@ use tokio::{
 };
 use tower::BoxError;
 
-use crate::error::*;
+use crate::{
+    error::*,
+    utils::fs::FSPermissions,
+};
 
 pub struct ServerAccept {
     uds: UnixListener,
@@ -118,7 +121,9 @@ pub async fn serve(path: &Path, app: Router) -> Result<(), Error> {
         .await
         .unwrap();
 
-    // TODO: set permissions
+    // TODO: make proper permissions
+    // Apply 777 permissions
+    FSPermissions::new().chmod(0o777).apply_to(&path).await?;
     
     let uds = UnixListener::bind(path.clone())
         .context(SocketCreateSnafu { path: path.clone() })?;

yunohost-api/Cargo.toml

@@ -15,7 +15,13 @@ serde = { version = "1", features = [ "derive" ] }
 serde_json = "1"
 regex = "1.9"
 url = "2.4"
+futures-util = { version = "0.3", optional = true }
+axum = { version = "0.6", optional = true }
+axum_typed_multipart = { version = "0.8", optional = true }
 
 [dev-dependencies]
 scan-rules = "0.2"
 tokio = { version = "1", features = [ "sync", "rt" ] }
+
+[features]
+axum = [ "dep:futures-util", "dep:axum", "dep:axum_typed_multipart" ]

yunohost-api/src/credentials.rs

@@ -1,6 +1,17 @@
 use ldap3::dn_escape;
-use serde::{Serialize, Deserialize};
-use snafu::OptionExt;
+use snafu::prelude::*;
+
+#[cfg(feature="axum")]
+use axum::{
+    async_trait,
+    body::Bytes,
+};
+#[cfg(feature="axum")]
+use axum_typed_multipart::{FieldMetadata, TryFromChunks, TypedMultipartError};
+#[cfg(feature="axum")]
+use futures_util::stream::Stream;
+
+use serde::{Serialize, Deserialize, Deserializer};
 
 use std::str::FromStr;
 
@@ -14,7 +25,7 @@ fn non_empty_string(s: &str) -> Option<String> {
     }
 }
 
-#[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize)]
 pub struct Username(String);
 
 impl Username {
@@ -56,7 +67,29 @@ impl std::fmt::Display for Username {
     }
 }
 
-#[derive(Clone, Debug)]
+impl<'de> Deserialize<'de> for Username {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>
+    {
+        let s = String::deserialize(deserializer)?;
+        FromStr::from_str(&s).map_err(serde::de::Error::custom)
+    }
+}
+
+#[cfg(feature="axum")]
+#[async_trait]
+impl TryFromChunks for Username {
+    async fn try_from_chunks(
+        chunks: impl Stream<Item = Result<Bytes, TypedMultipartError>> + Send + Sync + Unpin,
+        metadata: FieldMetadata,
+    ) -> Result<Self, TypedMultipartError> {
+        let string = String::try_from_chunks(chunks, metadata).await?;
+        let data = Self::from_str(&string).map_err(|e| TypedMultipartError::Other { source: e.into() })?;
+        Ok(data)
+    }
+}
+
+#[derive(Clone, Debug, Serialize)]
 pub struct Password(String);
 
 impl Password {
@@ -81,3 +114,25 @@ impl FromStr for Password {
         Password::new(s)
     }
 }
+
+impl<'de> Deserialize<'de> for Password {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>
+    {
+        let s = String::deserialize(deserializer)?;
+        FromStr::from_str(&s).map_err(serde::de::Error::custom)
+    }
+}
+
+#[cfg(feature="axum")]
+#[async_trait]
+impl TryFromChunks for Password {
+    async fn try_from_chunks(
+        chunks: impl Stream<Item = Result<Bytes, TypedMultipartError>> + Send + Sync + Unpin,
+        metadata: FieldMetadata,
+    ) -> Result<Self, TypedMultipartError> {
+        let string = String::try_from_chunks(chunks, metadata).await?;
+        let data = Self::from_str(&string).map_err(|e| TypedMultipartError::Other { source: e.into() })?;
+        Ok(data)
+    }
+}

yunohost-api/src/permissions/ssowat.rs

@@ -5,7 +5,7 @@ use std::collections::HashMap;
 
 use crate::Username;
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize)]
 pub struct SSOWatConfig {
     domains: Vec<String>,
     permissions: HashMap<PermissionName, Permission>,
@@ -32,7 +32,7 @@ impl SSOWatConfig {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 pub struct Permission {
     auth_header: bool,
     label: String,
@@ -43,7 +43,7 @@ pub struct Permission {
     users: Vec<Username>,
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
 pub struct PermissionName {
     #[serde(flatten)]
     name: String,