Implement fromform, and ignore case and underscores, fixes #298

src/api/identity.rs

@@ -1,4 +1,4 @@
-use rocket::request::LenientForm;
+use rocket::request::{Form, FormItems, FromForm};
 use rocket::Route;
 
 use rocket_contrib::json::Json;
@@ -22,13 +22,27 @@ pub fn routes() -> Vec<Route> {
 }
 
 #[post("/connect/token", data = "<data>")]
-fn login(data: LenientForm<ConnectData>, conn: DbConn, ip: ClientIp) -> JsonResult {
+fn login(data: Form<ConnectData>, conn: DbConn, ip: ClientIp) -> JsonResult {
     let data: ConnectData = data.into_inner();
-    validate_data(&data)?;
 
-    match data.grant_type {
-        GrantType::refresh_token => _refresh_login(data, conn),
-        GrantType::password => _password_login(data, conn, ip),
+    match data.grant_type.as_ref() {
+        "refresh_token" => {
+            _check_is_some(&data.refresh_token, "refresh_token cannot be blank")?;
+            _refresh_login(data, conn)
+        }
+        "password" => {
+            _check_is_some(&data.client_id, "client_id cannot be blank")?;
+            _check_is_some(&data.password, "password cannot be blank")?;
+            _check_is_some(&data.scope, "scope cannot be blank")?;
+            _check_is_some(&data.username, "username cannot be blank")?;
+
+            _check_is_some(&data.device_identifier, "device_identifier cannot be blank")?;
+            _check_is_some(&data.device_name, "device_name cannot be blank")?;
+            _check_is_some(&data.device_type, "device_type cannot be blank")?;
+
+            _password_login(data, conn, ip)
+        }
+        t => err!("Invalid type", t),
     }
 }
 
@@ -86,9 +100,10 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: ClientIp) -> JsonResult
         ))
     }
 
+    // On iOS, device_type sends "iOS", on others it sends a number
     let device_type = util::try_parse_string(data.device_type.as_ref()).unwrap_or(0);
-    let device_id = data.device_identifier.clone().unwrap_or_else(crate::util::get_uuid);
-    let device_name = data.device_name.clone().unwrap_or("unknown_device".into());
+    let device_id = data.device_identifier.clone().expect("No device id provided");
+    let device_name = data.device_name.clone().expect("No device name provided");
 
     // Find device or create new
     let mut device = match Device::find_by_uuid(&device_id, &conn) {
@@ -101,7 +116,7 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: ClientIp) -> JsonResult
                 device
             }
         }
-        None => Device::new(device_id, user.uuid.clone(), device_name, device_type)
+        None => Device::new(device_id, user.uuid.clone(), device_name, device_type),
     };
 
     let twofactor_token = twofactor_auth(&user.uuid, &data.clone(), &mut device, &conn)?;
@@ -133,12 +148,7 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: ClientIp) -> JsonResult
     Ok(Json(result))
 }
 
-fn twofactor_auth(
-    user_uuid: &str,
-    data: &ConnectData,
-    device: &mut Device,
-    conn: &DbConn,
-) -> ApiResult<Option<String>> {
+fn twofactor_auth(user_uuid: &str, data: &ConnectData, device: &mut Device, conn: &DbConn) -> ApiResult<Option<String>> {
     let twofactors_raw = TwoFactor::find_by_user(user_uuid, conn);
     // Remove u2f challenge twofactors (impl detail)
     let twofactors: Vec<_> = twofactors_raw.iter().filter(|tf| tf.type_ < 1000).collect();
@@ -230,13 +240,9 @@ fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> Api
                     let mut challenge_map = JsonMap::new();
 
                     challenge_map.insert("appId".into(), Value::String(request.app_id.clone()));
-                    challenge_map
-                        .insert("challenge".into(), Value::String(request.challenge.clone()));
+                    challenge_map.insert("challenge".into(), Value::String(request.challenge.clone()));
                     challenge_map.insert("version".into(), Value::String(key.version));
-                    challenge_map.insert(
-                        "keyHandle".into(),
-                        Value::String(key.key_handle.unwrap_or_default()),
-                    );
+                    challenge_map.insert("keyHandle".into(), Value::String(key.key_handle.unwrap_or_default()));
 
                     challenge_list.push(Value::Object(challenge_map));
                 }
@@ -269,10 +275,10 @@ fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> Api
     Ok(result)
 }
 
-#[derive(FromForm, Debug, Clone)]
+#[derive(Debug, Clone, Default)]
 #[allow(non_snake_case)]
 struct ConnectData {
-    grant_type: GrantType,
+    grant_type: String, // refresh_token, password
 
     // Needed for grant_type="refresh_token"
     refresh_token: Option<String>,
@@ -283,40 +289,44 @@ struct ConnectData {
     scope: Option<String>,
     username: Option<String>,
 
-    #[form(field = "deviceIdentifier")]
     device_identifier: Option<String>,
-    #[form(field = "deviceName")]
     device_name: Option<String>,
-    #[form(field = "deviceType")]
     device_type: Option<String>,
 
     // Needed for two-factor auth
-    #[form(field = "twoFactorProvider")]
     two_factor_provider: Option<i32>,
-    #[form(field = "twoFactorToken")]
     two_factor_token: Option<String>,
-    #[form(field = "twoFactorRemember")]
     two_factor_remember: Option<i32>,
 }
 
-#[derive(FromFormValue, Debug, Clone, Copy)]
-#[allow(non_camel_case_types)]
-enum GrantType {
-    refresh_token,
-    password,
-}
+impl<'f> FromForm<'f> for ConnectData {
+    type Error = String;
 
-fn validate_data(data: &ConnectData) -> EmptyResult {
-    match data.grant_type {
-        GrantType::refresh_token => {
-            _check_is_some(&data.refresh_token, "refresh_token cannot be blank")
-        }
-        GrantType::password => {
-            _check_is_some(&data.client_id, "client_id cannot be blank")?;
-            _check_is_some(&data.password, "password cannot be blank")?;
-            _check_is_some(&data.scope, "scope cannot be blank")?;
-            _check_is_some(&data.username, "username cannot be blank")
+    fn from_form(items: &mut FormItems<'f>, _strict: bool) -> Result<Self, Self::Error> {
+        let mut form = Self::default();
+        for item in items {
+            let (key, value) = item.key_value_decoded();
+            let mut normalized_key = key.to_lowercase();
+            normalized_key.retain(|c| c != '_'); // Remove '_'
+
+            match normalized_key.as_ref() {
+                "granttype" => form.grant_type = value,
+                "refreshtoken" => form.refresh_token = Some(value),
+                "clientid" => form.client_id = Some(value),
+                "password" => form.password = Some(value),
+                "scope" => form.scope = Some(value),
+                "username" => form.username = Some(value),
+                "deviceidentifier" => form.device_identifier = Some(value),
+                "devicename" => form.device_name = Some(value),
+                "devicetype" => form.device_type = Some(value),
+                "twofactorprovider" => form.two_factor_provider = value.parse().ok(),
+                "twofactortoken" => form.two_factor_token = Some(value),
+                "twofactorremember" => form.two_factor_remember = value.parse().ok(),
+                key => warn!("Detected unexpected parameter during login: {}", key),
+            }
         }
+
+        Ok(form)
     }
 }