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Add rich link preview to the login page #6342

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Merged
rullzer merged 1 commit into from
Sep 4, 2017
Merged

Add rich link preview to the login page #6342

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30 changes: 22 additions & 8 deletions core/Controller/LoginController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
use OCP\AppFramework\Http\RedirectResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\Authentication\TwoFactorAuth\IProvider;
use OCP\Defaults;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IRequest;
Expand All @@ -47,6 +48,7 @@
use OCP\IUserManager;
use OCP\IUserSession;
use OC\Hooks\PublicEmitter;
use OCP\Util;

class LoginController extends Controller {
/** @var IUserManager */
Expand All @@ -63,6 +65,8 @@ class LoginController extends Controller {
private $logger;
/** @var Manager */
private $twoFactorManager;
/** @var Defaults */
private $defaults;

/**
* @param string $appName
Expand All @@ -76,14 +80,15 @@ class LoginController extends Controller {
* @param Manager $twoFactorManager
*/
public function __construct($appName,
IRequest $request,
IUserManager $userManager,
IConfig $config,
ISession $session,
IUserSession $userSession,
IURLGenerator $urlGenerator,
ILogger $logger,
Manager $twoFactorManager) {
IRequest $request,
IUserManager $userManager,
IConfig $config,
ISession $session,
IUserSession $userSession,
IURLGenerator $urlGenerator,
ILogger $logger,
Manager $twoFactorManager,
Defaults $defaults) {
parent::__construct($appName, $request);
$this->userManager = $userManager;
$this->config = $config;
Expand All @@ -92,6 +97,7 @@ public function __construct($appName,
$this->urlGenerator = $urlGenerator;
$this->logger = $logger;
$this->twoFactorManager = $twoFactorManager;
$this->defaults = $defaults;
}

/**
Expand Down Expand Up @@ -176,6 +182,14 @@ public function showLoginForm($user, $redirect_url, $remember_login) {
$parameters['user_autofocus'] = true;
}

// OpenGraph Support: http://ogp.me/
Util::addHeader('meta', ['property' => "og:title", 'content' => Util::sanitizeHTML($this->defaults->getName())]);
Util::addHeader('meta', ['property' => "og:description", 'content' => Util::sanitizeHTML($this->defaults->getSlogan())]);
Util::addHeader('meta', ['property' => "og:site_name", 'content' => Util::sanitizeHTML($this->defaults->getName())]);
Util::addHeader('meta', ['property' => "og:url", 'content' => $this->urlGenerator->getAbsoluteURL('')]);
Util::addHeader('meta', ['property' => "og:type", 'content' => "website"]);
Util::addHeader('meta', ['property' => "og:image", 'content' => $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core','favicon-touch.png'))]);

return new TemplateResponse(
$this->appName, 'login', $parameters, 'guest'
);
Expand Down