Added usernameField and env variable to server settings

README.md

@@ -89,7 +89,10 @@ SSO_BROKER_SECRET=
 ```
 `SSO_SERVER_URL` is your server's http url without trailing slash. `SSO_BROKER_NAME` and `SSO_BROKER_SECRET` must be data which exists in your server's `brokers` table.
 
-
+Optionally set the column of your authentication username field on your server ('username' by default) `.env` file:
+```shell
+SSO_USERNAME_FIELD=email
+```
 
 Edit your `app/Http/Kernel.php` by adding `\Zefy\LaravelSSO\Middleware\SSOAutoLogin::class` middleware to `web` middleware group. It should look like this:
 ```php

config/laravel-sso.php

@@ -29,6 +29,9 @@
     // Table used in Zefy\LaravelSSO\Models\Broker model
     'brokersTable' => 'brokers',
 
+    // What is the name of the column that users use to login with (generally 'username' or 'email)
+    'usernameField' => env('SSO_USERNAME_FIELD', 'username'),
+
     // Logged in user fields sent to brokers.
     'userFields' => [
         // Return array field name => database column name

src/LaravelSSOServer.php

@@ -66,7 +66,7 @@ protected function returnJson(?array $response = null, int $httpResponseCode = 2
      */
     protected function authenticate(string $username, string $password)
     {
-        if (!Auth::attempt(['username' => $username, 'password' => $password])) {
+        if (!Auth::attempt([config('laravel-sso.usernameField') => $username, 'password' => $password])) {
             return false;
         }
 
@@ -107,7 +107,7 @@ protected function getBrokerInfo(string $brokerId)
     protected function getUserInfo(string $username)
     {
         try {
-            $user = config('laravel-sso.usersModel')::where('username', $username)->firstOrFail();
+            $user = config('laravel-sso.usersModel')::where(config('laravel-sso.usernameField'), $username)->firstOrFail();
         } catch (ModelNotFoundException $e) {
             return null;
         }