Fix blocked audio recording preview when Talk is embedded in the sidebar

Audio recording previews use a blob, so the Content Security Policy must
allow media from blobs to be able to play it.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/Listener/CSPListener.php b/lib/Listener/CSPListener.php
index 3bc84138e..edb6bb802 100644
--- a/lib/Listener/CSPListener.php
+++ b/lib/Listener/CSPListener.php
@@ -47,6 +47,7 @@ class CSPListener implements IEventListener {
 
 		$csp = new ContentSecurityPolicy();
 		$csp->addAllowedImageDomain('https://*.tile.openstreetmap.org');
+		$csp->addAllowedMediaDomain('blob:');
 		$csp->addAllowedWorkerSrcDomain('blob:');
 		$csp->addAllowedWorkerSrcDomain("'self'");
 		$csp->addAllowedChildSrcDomain('blob:');