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FileSystemAccessServer: Allow read-only access without prompting

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This commit adds a new request to the FileSystemAccessServer
endpoint, allowing the clients to get read-only access to a file
without getting a Dialog-box prompting the user for access.

This is only meant to be used in cases where the user has asked
specifically to open a file through the command-line arguments.
In those cases, I believe it makes sense for the read-only access
to be implicit. Always prompting the user gets a bit annoying,
especially if you just quickly want to open a file through the CLI.

The new request name has been made extremely specific to make sure
that it's only used when appropriate.
This commit is contained in:
Mustafa Quraish 2021-09-06 00:51:32 -04:00 committed by Ali Mohammad Pur
parent b37211a615
commit 2a968e92f0
Notes: sideshowbarker 2024-07-18 04:20:18 +09:00 
Author: https://github.com/mustafaquraish
Commit: https://github.com/SerenityOS/serenity/commit/2a968e92f07
Pull-request: https://github.com/SerenityOS/serenity/pull/9854
Reviewed-by: https://github.com/IdanHo
Reviewed-by: https://github.com/alimpfard
5 changed files with 43 additions and 4 deletions
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17
Userland/Libraries/LibFileSystemAccessClient/Client.cpp
View File

@ -22,6 +22,23 @@ Client& Client::the()
return *s_the;
}
Result Client::request_file_read_only_approved(i32 parent_window_id, String const& path)
{
m_promise = Core::Promise<Result>::construct();
auto parent_window_server_client_id = GUI::WindowServerConnection::the().expose_client_id();
auto child_window_server_client_id = expose_window_server_client_id();
GUI::WindowServerConnection::the().async_add_window_stealing_for_client(child_window_server_client_id, parent_window_id);
ScopeGuard guard([parent_window_id, child_window_server_client_id] {
GUI::WindowServerConnection::the().async_remove_window_stealing_for_client(child_window_server_client_id, parent_window_id);
});
async_request_file_read_only_approved(parent_window_server_client_id, parent_window_id, path);
return m_promise->await();
}
Result Client::request_file(i32 parent_window_id, String const& path, Core::OpenMode mode)
{
m_promise = Core::Promise<Result>::construct();

1
Userland/Libraries/LibFileSystemAccessClient/Client.h
View File

@ -27,6 +27,7 @@ class Client final
C_OBJECT(Client)
public:
Result request_file_read_only_approved(i32 parent_window_id, String const& path);
Result request_file(i32 parent_window_id, String const& path, Core::OpenMode mode);
Result open_file(i32 parent_window_id, String const& window_title = {}, StringView const& path = Core::StandardPaths::home_directory());
Result save_file(i32 parent_window_id, String const& name, String const ext);

21
Userland/Services/FileSystemAccessServer/ClientConnection.cpp
View File

@ -49,7 +49,7 @@ RefPtr<GUI::Window> ClientConnection::create_dummy_child_window(i32 window_serve
return window;
}
void ClientConnection::request_file(i32 window_server_client_id, i32 parent_window_id, String const& path, Core::OpenMode const& requested_access)
void ClientConnection::request_file_handler(i32 window_server_client_id, i32 parent_window_id, String const& path, Core::OpenMode const& requested_access, ShouldPrompt prompt)
{
VERIFY(path.starts_with("/"sv));
@ -79,9 +79,12 @@ void ClientConnection::request_file(i32 window_server_client_id, i32 parent_wind
auto main_window = create_dummy_child_window(window_server_client_id, parent_window_id);
auto result = GUI::MessageBox::show(main_window, String::formatted("Allow {} ({}) to {} \"{}\"?", exe_name, pid, access_string, path), "File Permissions Requested", GUI::MessageBox::Type::Warning, GUI::MessageBox::InputType::YesNo);
approved = result == GUI::MessageBox::ExecYes;
if (prompt == ShouldPrompt::Yes) {
auto result = GUI::MessageBox::show(main_window, String::formatted("Allow {} ({}) to {} \"{}\"?", exe_name, pid, access_string, path), "File Permissions Requested", GUI::MessageBox::Type::Warning, GUI::MessageBox::InputType::YesNo);
approved = result == GUI::MessageBox::ExecYes;
} else {
approved = true;
}
if (approved) {
auto new_permissions = relevant_permissions;
@ -107,6 +110,16 @@ void ClientConnection::request_file(i32 window_server_client_id, i32 parent_wind
}
}
void ClientConnection::request_file_read_only_approved(i32 window_server_client_id, i32 parent_window_id, String const& path)
{
request_file_handler(window_server_client_id, parent_window_id, path, Core::OpenMode::ReadOnly, ShouldPrompt::No);
}
void ClientConnection::request_file(i32 window_server_client_id, i32 parent_window_id, String const& path, Core::OpenMode const& requested_access)
{
request_file_handler(window_server_client_id, parent_window_id, path, requested_access, ShouldPrompt::Yes);
}
void ClientConnection::prompt_open_file(i32 window_server_client_id, i32 parent_window_id, String const& window_title, String const& path_to_view, Core::OpenMode const& requested_access)
{
auto relevant_permissions = requested_access & (Core::OpenMode::ReadOnly | Core::OpenMode::WriteOnly);

7
Userland/Services/FileSystemAccessServer/ClientConnection.h
View File

@ -26,6 +26,7 @@ public:
virtual void die() override;
private:
virtual void request_file_read_only_approved(i32, i32, String const&) override;
virtual void request_file(i32, i32, String const&, Core::OpenMode const&) override;
virtual void prompt_open_file(i32, i32, String const&, String const&, Core::OpenMode const&) override;
virtual void prompt_save_file(i32, i32, String const&, String const&, String const&, Core::OpenMode const&) override;
@ -33,6 +34,12 @@ private:
void prompt_helper(Optional<String> const&, Core::OpenMode const&);
RefPtr<GUI::Window> create_dummy_child_window(i32, i32);
enum class ShouldPrompt {
No,
Yes
};
void request_file_handler(i32, i32, String const&, Core::OpenMode const&, ShouldPrompt);
virtual Messages::FileSystemAccessServer::ExposeWindowServerClientIdResponse expose_window_server_client_id() override;
HashMap<String, Core::OpenMode> m_approved_files;

1
Userland/Services/FileSystemAccessServer/FileSystemAccessServer.ipc
View File

@ -3,6 +3,7 @@
endpoint FileSystemAccessServer
{
request_file_read_only_approved(i32 window_server_client_id, i32 window_id, String path) =|
request_file(i32 window_server_client_id, i32 window_id, String path, Core::OpenMode requested_access) =|
prompt_open_file(i32 window_server_client_id, i32 window_id, String window_title, String path_to_view, Core::OpenMode requested_access) =|
prompt_save_file(i32 window_server_client_id, i32 window_id,String title, String ext, String path_to_view, Core::OpenMode requested_access) =|