Improved two factor auth

migrations/2018-06-01-112529_update_devices_twofactor_remember/down.sql

@@ -0,0 +1 @@
+-- This file should undo anything in `up.sql`

migrations/2018-06-01-112529_update_devices_twofactor_remember/up.sql

@@ -0,0 +1,3 @@
+ALTER TABLE devices
+    ADD COLUMN
+    twofactor_remember TEXT;

src/api/core/mod.rs

@@ -96,22 +96,49 @@ pub fn routes() -> Vec<Route> {
 
 use rocket::Route;
 
-use rocket_contrib::Json;
+use rocket_contrib::{Json, Value};
 
 use db::DbConn;
+use db::models::*;
 
 use api::{JsonResult, EmptyResult, JsonUpcase};
 use auth::Headers;
 
-#[put("/devices/identifier/<uuid>/clear-token")]
-fn clear_device_token(uuid: String, _conn: DbConn) -> JsonResult {
-    println!("{}", uuid);
-    err!("Not implemented")
+#[put("/devices/identifier/<uuid>/clear-token", data = "<data>")]
+fn clear_device_token(uuid: String, data: Json<Value>, headers: Headers, conn: DbConn) -> EmptyResult {
+    println!("UUID: {:#?}", uuid);
+    println!("DATA: {:#?}", data);
+    
+    let device = match Device::find_by_uuid(&uuid, &conn) {
+        Some(device) => device,
+        None => err!("Device not found")
+    };
+
+    if device.user_uuid != headers.user.uuid {
+        err!("Device not owned by user")
+    }
+
+    device.delete(&conn);
+
+    Ok(())
 }
 
-#[put("/devices/identifier/<uuid>/token")]
-fn put_device_token(uuid: String, _conn: DbConn) -> JsonResult {
-    println!("{}", uuid);
+#[put("/devices/identifier/<uuid>/token", data = "<data>")]
+fn put_device_token(uuid: String, data: Json<Value>, headers: Headers, conn: DbConn) -> JsonResult {
+    println!("UUID: {:#?}", uuid);
+    println!("DATA: {:#?}", data);
+
+    let device = match Device::find_by_uuid(&uuid, &conn) {
+        Some(device) => device,
+        None => err!("Device not found")
+    };
+
+    if device.user_uuid != headers.user.uuid {
+        err!("Device not owned by user")
+    }
+
+    // TODO: What does this do?
+
     err!("Not implemented")
 }
 

src/api/core/two_factor.rs

@@ -135,7 +135,7 @@ fn activate_authenticator(data: JsonUpcase<EnableTwoFactorData>, headers: Header
     user.totp_secret = Some(key.to_uppercase());
 
     // Validate the token provided with the key
-    if !user.check_totp_code(Some(token)) {
+    if !user.check_totp_code(token) {
         err!("Invalid totp code")
     }
 

src/api/identity.rs

@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use rocket::{Route, Outcome};
 use rocket::request::{self, Request, FromRequest, Form, FormItems, FromForm};
 
-use rocket_contrib::Json;
+use rocket_contrib::{Json, Value};
 
 use db::DbConn;
 use db::models::*;
@@ -19,19 +19,42 @@ pub fn routes() -> Vec<Route> {
 #[post("/connect/token", data = "<connect_data>")]
 fn login(connect_data: Form<ConnectData>, device_type: DeviceType, conn: DbConn) -> JsonResult {
     let data = connect_data.get();
+    println!("{:#?}", data);
 
-    let mut device = match data.grant_type {
-        GrantType::RefreshToken => {
+    match data.grant_type {
+        GrantType::RefreshToken =>_refresh_login(data, device_type, conn),
+        GrantType::Password => _password_login(data, device_type, conn)
+    }
+}
+
+fn _refresh_login(data: &ConnectData, _device_type: DeviceType, conn: DbConn) -> JsonResult {
     // Extract token
     let token = data.get("refresh_token").unwrap();
 
     // Get device by refresh token
-            match Device::find_by_refresh_token(token, &conn) {
+    let mut device = match Device::find_by_refresh_token(token, &conn) {
         Some(device) => device,
         None => err!("Invalid refresh token")
-            }
-        }
-        GrantType::Password => {
+    };
+
+    // COMMON
+    let user = User::find_by_uuid(&device.user_uuid, &conn).unwrap();
+    let orgs = UserOrganization::find_by_user(&user.uuid, &conn);
+
+    let (access_token, expires_in) = device.refresh_tokens(&user, orgs);
+    device.save(&conn);
+
+    Ok(Json(json!({
+        "access_token": access_token,
+        "expires_in": expires_in,
+        "token_type": "Bearer",
+        "refresh_token": device.refresh_token,
+        "Key": user.key,
+        "PrivateKey": user.private_key,
+    })))
+}
+
+fn _password_login(data: &ConnectData, device_type: DeviceType, conn: DbConn) -> JsonResult {
     // Validate scope
     let scope = data.get("scope").unwrap();
     if scope != "api offline_access" {
@@ -51,19 +74,6 @@ fn login(connect_data: Form<ConnectData>, device_type: DeviceType, conn: DbConn)
         err!("Username or password is incorrect. Try again.")
     }
     
-            // Check if totp code is required and the value is correct
-            let totp_code = util::parse_option_string(data.get("twoFactorToken"));
-
-            if !user.check_totp_code(totp_code) {
-                // Return error 400
-                err_json!(json!({
-                    "error" : "invalid_grant",
-                    "error_description" : "Two factor required.",
-                    "TwoFactorProviders" : [ 0 ],
-                    "TwoFactorProviders2" : { "0" : null }
-                }))
-            }
-
     // Let's only use the header and ignore the 'devicetype' parameter
     let device_type_num = device_type.0;
 
@@ -78,7 +88,7 @@ fn login(connect_data: Form<ConnectData>, device_type: DeviceType, conn: DbConn)
     };
 
     // Find device or create new
-            match Device::find_by_uuid(&device_id, &conn) {
+    let mut device = match Device::find_by_uuid(&device_id, &conn) {
         Some(device) => {
             // Check if valid device
             if device.user_uuid != user.uuid {
@@ -90,28 +100,112 @@ fn login(connect_data: Form<ConnectData>, device_type: DeviceType, conn: DbConn)
         }
         None => {
             // Create new device
-                    Device::new(device_id, user.uuid, device_name, device_type_num)
-                }
-            }
+            Device::new(device_id, user.uuid.clone(), device_name, device_type_num)
         }
     };
 
+    let twofactor_token = if user.requires_twofactor() {
+        let twofactor_provider = util::parse_option_string(data.get("twoFactorProvider")).unwrap_or(0);
+        let twofactor_code = match data.get("twoFactorToken") {
+            Some(code) => code,
+            None => err_json!(_json_err_twofactor())
+        };
+
+       match twofactor_provider {
+            0 /* TOTP */ => { 
+                let totp_code: u64 = match twofactor_code.parse() {
+                    Ok(code) => code,
+                    Err(_) => err!("Invalid Totp code")
+                };
+
+                if !user.check_totp_code(totp_code) {
+                    err_json!(_json_err_twofactor())
+                }
+
+                if util::parse_option_string(data.get("twoFactorRemember")).unwrap_or(0) == 1 {
+                    device.refresh_twofactor_remember();
+                    device.twofactor_remember.clone()
+                } else {
+                    device.delete_twofactor_remember();
+                    None
+                }
+            },
+            5 /* Remember */ => {
+                match device.twofactor_remember {
+                    Some(ref remember) if remember == twofactor_code => (),
+                    _ => err_json!(_json_err_twofactor())
+                };
+                None // No twofactor token needed here
+            },
+            _ => err!("Invalid two factor provider"),
+        }
+    } else { None };  // No twofactor token if twofactor is disabled
+
+    // Common
     let user = User::find_by_uuid(&device.user_uuid, &conn).unwrap();
     let orgs = UserOrganization::find_by_user(&user.uuid, &conn);
 
     let (access_token, expires_in) = device.refresh_tokens(&user, orgs);
     device.save(&conn);
 
-    Ok(Json(json!({
+    let mut result = json!({
         "access_token": access_token,
         "expires_in": expires_in,
         "token_type": "Bearer",
         "refresh_token": device.refresh_token,
         "Key": user.key,
-        "PrivateKey": user.private_key
-    })))
+        "PrivateKey": user.private_key,
+        //"TwoFactorToken": "11122233333444555666777888999"
+    });
+
+    if let Some(token) = twofactor_token {
+        result["TwoFactorToken"] = Value::String(token);
+    }
+
+    Ok(Json(result))
 }
 
+fn _json_err_twofactor() -> Value {
+    json!({
+        "error" : "invalid_grant",
+        "error_description" : "Two factor required.",
+        "TwoFactorProviders" : [ 0 ],
+        "TwoFactorProviders2" : { "0" : null }
+    })
+}
+
+/*
+ConnectData {
+    grant_type: Password,
+    is_device: false,
+    data: {
+        "scope": "api offline_access",
+        "client_id": "web",
+        "grant_type": "password",
+        "username": "dani@mail",
+        "password": "8IuV1sJ94tPjyYIK+E+PTjblzjm4W6C4N5wqM0KKsSg="
+    }
+}
+
+RETURNS "TwoFactorToken": "11122233333444555666777888999"
+
+Next login
+ConnectData {
+    grant_type: Password,
+    is_device: false,
+    data: {
+        "scope": "api offline_access",
+        "username": "dani@mail",
+        "client_id": "web",
+        "twofactorprovider": "5",
+        "twofactortoken": "11122233333444555666777888999",
+        "grant_type": "password",
+        "twofactorremember": "0",
+        "password": "8IuV1sJ94tPjyYIK+E+PTjblzjm4W6C4N5wqM0KKsSg="
+    }
+}
+*/
+
 
 struct DeviceType(i32);
 

src/db/models/device.rs

@@ -19,6 +19,8 @@ pub struct Device {
     pub push_token: Option<String>,
 
     pub refresh_token: String,
+
+    pub twofactor_remember: Option<String>,
 }
 
 /// Local methods
@@ -37,9 +39,22 @@ impl Device {
 
             push_token: None,
             refresh_token: String::new(),
+            twofactor_remember: None,
         }
     }
 
+    pub fn refresh_twofactor_remember(&mut self) {
+        use data_encoding::BASE64;
+        use crypto;
+
+        self.twofactor_remember = Some(BASE64.encode(&crypto::get_random(vec![0u8; 180])));
+    }
+
+    pub fn delete_twofactor_remember(&mut self) {
+        self.twofactor_remember = None;
+    }
+
+
     pub fn refresh_tokens(&mut self, user: &super::User, orgs: Vec<super::UserOrganization>) -> (String, i64) {
         // If there is no refresh token, we create one
         if self.refresh_token.is_empty() {

src/db/models/user.rs

@@ -26,8 +26,10 @@ pub struct User {
     pub key: String,
     pub private_key: Option<String>,
     pub public_key: Option<String>,
+    
     pub totp_secret: Option<String>,
     pub totp_recover: Option<String>,
+
     pub security_stamp: String,
 
     pub equivalent_domains: String,
@@ -61,6 +63,7 @@ impl User {
             password_hint: None,
             private_key: None,
             public_key: None,
+            
             totp_secret: None,
             totp_recover: None,
 
@@ -95,9 +98,12 @@ impl User {
         self.security_stamp = Uuid::new_v4().to_string();
     }
 
-    pub fn check_totp_code(&self, totp_code: Option<u64>) -> bool {
+    pub fn requires_twofactor(&self) -> bool {
+        self.totp_secret.is_some()
+    }
+
+    pub fn check_totp_code(&self, totp_code: u64) -> bool {
         if let Some(ref totp_secret) = self.totp_secret {
-            if let Some(code) = totp_code {
             // Validate totp
             use data_encoding::BASE32;
             use oath::{totp_raw_now, HashType};
@@ -108,10 +114,7 @@ impl User {
             };
 
             let generated = totp_raw_now(&decoded_secret, 6, 0, 30, &HashType::SHA1);
-                generated == code
-            } else {
-                false
-            }
+            generated == totp_code
         } else {
             true
         }

src/db/schema.rs

@@ -24,6 +24,13 @@ table! {
     }
 }
 
+table! {
+    ciphers_collections (cipher_uuid, collection_uuid) {
+        cipher_uuid -> Text,
+        collection_uuid -> Text,
+    }
+}
+
 table! {
     collections (uuid) {
         uuid -> Text,
@@ -43,6 +50,7 @@ table! {
         type_ -> Integer,
         push_token -> Nullable<Text>,
         refresh_token -> Text,
+        twofactor_remember -> Nullable<Text>,
     }
 }
 
@@ -101,13 +109,6 @@ table! {
     }
 }
 
-table! {
-    ciphers_collections (cipher_uuid, collection_uuid) {
-        cipher_uuid -> Text,
-        collection_uuid -> Text,
-    }
-}
-
 table! {
     users_organizations (uuid) {
         uuid -> Text,
@@ -124,6 +125,8 @@ table! {
 joinable!(attachments -> ciphers (cipher_uuid));
 joinable!(ciphers -> organizations (organization_uuid));
 joinable!(ciphers -> users (user_uuid));
+joinable!(ciphers_collections -> ciphers (cipher_uuid));
+joinable!(ciphers_collections -> collections (collection_uuid));
 joinable!(collections -> organizations (org_uuid));
 joinable!(devices -> users (user_uuid));
 joinable!(folders -> users (user_uuid));
@@ -131,14 +134,13 @@ joinable!(folders_ciphers -> ciphers (cipher_uuid));
 joinable!(folders_ciphers -> folders (folder_uuid));
 joinable!(users_collections -> collections (collection_uuid));
 joinable!(users_collections -> users (user_uuid));
-joinable!(ciphers_collections -> collections (collection_uuid));
-joinable!(ciphers_collections -> ciphers (cipher_uuid));
 joinable!(users_organizations -> organizations (org_uuid));
 joinable!(users_organizations -> users (user_uuid));
 
 allow_tables_to_appear_in_same_query!(
     attachments,
     ciphers,
+    ciphers_collections,
     collections,
     devices,
     folders,
@@ -146,6 +148,5 @@ allow_tables_to_appear_in_same_query!(
     organizations,
     users,
     users_collections,
-    ciphers_collections,
     users_organizations,
 );