feat: update sign up link in share pages

Signed-off-by: Luka Trovic <luka@nextcloud.com>

Author: luka-nextcloud

core/templates/layout.public.php

@@ -102,7 +102,7 @@
 if ($_['showSimpleSignUpLink']) {
 	?>
 			<p>
-				<a href="https://nextcloud.com/signup/" target="_blank" rel="noreferrer noopener">
+				<a href="<?php p($_['signUpLink']); ?>" target="_blank" rel="noreferrer noopener">
 					<?php p($l->t('Get your own free account')); ?>
 				</a>
 			</p>

lib/private/TemplateLayout.php

@@ -47,11 +47,13 @@
 use OC\Template\CSSResourceLocator;
 use OC\Template\JSConfigHelper;
 use OC\Template\JSResourceLocator;
+use OCP\App\IAppManager;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\Defaults;
 use OCP\IConfig;
 use OCP\IInitialStateService;
 use OCP\INavigationManager;
+use OCP\IURLGenerator;
 use OCP\IUserSession;
 use OCP\Support\Subscription\IRegistry;
 use OCP\Util;
@@ -195,7 +197,21 @@ public function __construct($renderAs, $appId = '') {
 			if ($showSimpleSignup && $subscription->delegateHasValidSubscription()) {
 				$showSimpleSignup = false;
 			}
+
+			$urlGenerator = \OCP\Server::get(IURLGenerator::class);
+			$defaultSignUpLink = 'https://nextcloud.com/signup/';
+			$signUpLink = $this->config->getSystemValueString('registration_link', $defaultSignUpLink);
+			if ($signUpLink !== $defaultSignUpLink) {
+				$showSimpleSignup = true;
+			}
+
+			$appManager = \OCP\Server::get(IAppManager::class);
+			if ($appManager->isEnabledForUser('registration')) {
+				$signUpLink = $urlGenerator->getAbsoluteURL('/index.php/apps/registration/');
+			}
+
 			$this->assign('showSimpleSignUpLink', $showSimpleSignup);
+			$this->assign('signUpLink', $signUpLink);
 		} else {
 			parent::__construct('core', 'layout.base');
 		}