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LibWeb+LibWebView+WebContent: Add APIs to manage an autoplay allowlist

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The spec defines a Permissions Policy to control some browser behaviors
on a per-origin basis. Management of these permissions live in their own
spec: https://w3c.github.io/webappsec-permissions-policy/

This implements a somewhat ad-hoc Permissions Policy for autoplaying
media elements. We will need to implement the entire policy spec for
this to be more general.
This commit is contained in:
Timothy Flynn 2023-04-17 13:21:19 -04:00 • committed by Andreas Kling
parent 6131e621d6
commit 7966fc4780
12 changed files with 209 additions and 0 deletions
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13
Userland/Services/WebContent/ConnectionFromClient.cpp
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@ -30,6 +30,7 @@
#include <LibWeb/Loader/ResourceLoader.h>
#include <LibWeb/Painting/PaintableBox.h>
#include <LibWeb/Painting/StackingContext.h>
#include <LibWeb/PermissionsPolicy/AutoplayAllowlist.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
#include <WebContent/ConnectionFromClient.h>
#include <WebContent/PageHost.h>
@ -639,6 +640,18 @@ void ConnectionFromClient::set_content_filters(Vector<DeprecatedString> const& f
Web::ContentFilter::the().add_pattern(filter);
}
void ConnectionFromClient::set_autoplay_allowed_on_all_websites()
{
auto& autoplay_allowlist = Web::PermissionsPolicy::AutoplayAllowlist::the();
autoplay_allowlist.enable_globally();
}
void ConnectionFromClient::set_autoplay_allowlist(Vector<String> const& allowlist)
{
auto& autoplay_allowlist = Web::PermissionsPolicy::AutoplayAllowlist::the();
autoplay_allowlist.enable_for_origins(allowlist).release_value_but_fixme_should_propagate_errors();
}
void ConnectionFromClient::set_proxy_mappings(Vector<DeprecatedString> const& proxies, HashMap<DeprecatedString, size_t> const& mappings)
{
auto keys = mappings.keys();