Add optional enviornment variable to set default login credentials

docs/configuration.md

@@ -23,6 +23,8 @@ The `Web UI` column is set to yes if an environment variable can alternatively b
 | `ENABLE_REGISTRATION`                       |        `0`        | Enables public user registration                                        |        |
 | `MIN_RUNTIME_IN_SECONDS_FOR_JOB_PROCESSING` |       `15`        | Minimum time between background jobs processing                         |        |
 | `TIMEZONE`                                  | `"Europe/Berlin"` | Supported timezones [here](https://www.php.net/manual/en/timezones.php) |        |
+| `DEFAULT_LOGIN_EMAIL`                       |         -         | Email address to always autofill on login page                          |        |
+| `DEFAULT_LOGIN_PASSWORD`                    |         -         | Password to always autofill on login page                               |        |
 
 ### Database
 

src/Factory.php

@@ -215,6 +215,8 @@ public static function createLandingPageController(ContainerInterface $container
             $container->get(UserApi::class),
             $container->get(SessionWrapper::class),
             $config->getAsBool('ENABLE_REGISTRATION', false),
+            $config->getAsStringNullable('DEFAULT_LOGIN_EMAIL'),
+            $config->getAsStringNullable('DEFAULT_LOGIN_PASSWORD'),
         );
     }
 

src/HttpController/LandingPageController.php

@@ -17,6 +17,8 @@ public function __construct(
         private readonly UserApi $userApi,
         private readonly SessionWrapper $sessionWrapper,
         private readonly bool $registrationEnabled,
+        private readonly ?string $defaultEmail,
+        private readonly ?string $defaultPassword,
     ) {
     }
 
@@ -42,7 +44,9 @@ public function render() : Response
             $this->twig->render('page/login.html.twig', [
                 'failedLogin' => $failedLogin,
                 'deletedAccount' => $deletedAccount,
-                'registrationEnabled' => $this->registrationEnabled
+                'registrationEnabled' => $this->registrationEnabled,
+                'defaultEmail' => $this->defaultEmail,
+                'defaultPassword' => $this->defaultPassword,
             ]),
         );
     }

src/ValueObject/Config.php

@@ -55,6 +55,15 @@ public function getAsString(string $key, ?string $fallbackValue = null) : string
         }
     }
 
+    public function getAsStringNullable(string $key, ?string $fallbackValue = null) : ?string
+    {
+        try {
+            return $this->getAsString($key, $fallbackValue);
+        } catch (ConfigKeyNotSetException) {
+            return null;
+        }
+    }
+
     /** @throws ConfigKeyNotSetException */
     private function get(string $key) : mixed
     {

templates/page/login.html.twig

@@ -16,11 +16,11 @@
         <form action="/login" method="post" enctype="multipart/form-data">
             <h1 id="header" class="text-{{ theme == 'dark' ? 'light' : 'dark' }}" style="margin-bottom: 1rem">Movary</h1>
             <div class="form-floating">
-                <input type="email" name="email" class="form-control text-{{ theme == 'dark' ? 'light' : 'dark' }}" id="floatingInput" placeholder="[email protected]" required>
+                <input type="email" name="email" value="{{ defaultEmail }}" class="form-control text-{{ theme == 'dark' ? 'light' : 'dark' }}" id="floatingInput" placeholder="[email protected]" required>
                 <label for="floatingInput">Email address</label>
             </div>
             <div class="form-floating">
-                <input type="password" name="password" class="form-control text-{{ theme == 'dark' ? 'light' : 'dark' }}" id="floatingPassword" placeholder="Password" required>
+                <input type="password" name="password" value="{{ defaultPassword }}" class="form-control text-{{ theme == 'dark' ? 'light' : 'dark' }}" id="floatingPassword" placeholder="Password" required>
                 <label for="floatingPassword">Password</label>
             </div>