Add a page to choose second factor

src/data/session_identity.rs

@@ -9,7 +9,7 @@ pub enum SessionStatus {
     Invalid,
     SignedIn,
     NeedNewPassword,
-    NeedMFA,
+    Need2FA,
 }
 
 impl Default for SessionStatus {
@@ -89,6 +89,12 @@ impl<'a> SessionIdentity<'a> {
             .unwrap_or(false)
     }
 
+    pub fn need_2fa_auth(&self) -> bool {
+        self.get_session_data()
+            .map(|s| s.status == SessionStatus::Need2FA)
+            .unwrap_or(false)
+    }
+
     pub fn is_admin(&self) -> bool {
         self.get_session_data().unwrap_or_default().is_admin
     }

src/data/user.rs

@@ -26,6 +26,13 @@ impl TwoFactor {
             TwoFactorType::TOTP(_) => "Authenticator app"
         }
     }
+
+    pub fn login_url(&self, redirect_uri: &str) -> String {
+        match self.kind {
+            TwoFactorType::TOTP(_) => format!("/2fa_totp?id={}&redirect_uri={}",
+                                              self.id.0, redirect_uri)
+        }
+    }
 }
 
 #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]