UserPanel: displays 'Session is closed' on closed session [Closes #52]

Author: dg

src/Bridges/SecurityTracy/UserPanel.php

@@ -35,12 +35,14 @@ public function __construct(Nette\Security\User $user)
 	 */
 	public function getTab(): ?string
 	{
-		if (headers_sent() && !session_id()) {
+		if (!session_id()) {
 			return null;
 		}
 
 		return Nette\Utils\Helpers::capture(function () {
-			$user = $this->user;
+			$status = session_status() === PHP_SESSION_ACTIVE
+				? $this->user->isLoggedIn()
+				: '?';
 			require __DIR__ . '/templates/UserPanel.tab.phtml';
 		});
 	}
@@ -49,8 +51,11 @@ public function getTab(): ?string
 	/**
 	 * Renders panel.
 	 */
-	public function getPanel(): string
+	public function getPanel(): ?string
 	{
+		if (session_status() !== PHP_SESSION_ACTIVE) {
+			return null;
+		}
 		return Nette\Utils\Helpers::capture(function () {
 			$user = $this->user;
 			require __DIR__ . '/templates/UserPanel.panel.phtml';

src/Bridges/SecurityTracy/templates/UserPanel.tab.phtml

@@ -3,7 +3,9 @@ declare(strict_types=1);
 
 namespace Nette\Bridges\SecurityTracy;
 
+$message = [true => 'Logged in', false => 'Unlogged', '?' => 'Session is closed'];
+$color = [true => '#61A519', false => '#ababab', '?' => '#bb0000'];
 ?>
-<span title="<?= $user->isLoggedIn() ? 'Logged in' : 'Unlogged' ?>">
-<svg viewBox="0 -50 2048 2048"><path fill="<?= $user->isLoggedIn() ? '#61A519' : '#ababab' ?>" d="m1615 1803.5c-122 17-246 7-369 8-255 1-510 3-765-1-136-2-266-111-273-250-11-192 11-290.5 115-457.5 62-100 192-191 303-147 110 44 201 130 321 149 160 25 317-39 446-130 82-58 200-9 268 51 157 173 186.8 275.49 184 484.49-1.9692 147.11-108.91 271.41-230 293zm-144-1226.5c0 239-208 447-447 447s-447-208-447-447 208-447 447-447c240 1 446 207 447 447z"/></svg>
+<span title="<?= $message[$status] ?>">
+<svg viewBox="0 -50 2048 2048"><path fill="<?= $color[$status] ?>" d="m1615 1803.5c-122 17-246 7-369 8-255 1-510 3-765-1-136-2-266-111-273-250-11-192 11-290.5 115-457.5 62-100 192-191 303-147 110 44 201 130 321 149 160 25 317-39 446-130 82-58 200-9 268 51 157 173 186.8 275.49 184 484.49-1.9692 147.11-108.91 271.41-230 293zm-144-1226.5c0 239-208 447-447 447s-447-208-447-447 208-447 447-447c240 1 446 207 447 447z"/></svg>
 </span>