LibDesktop: Switch to LaunchServer for DesktopServices::open

Moves DirectoryServices out of LibCore (because we need to link with
LibIPC), renames it Desktop::Launcher (because Desktop::DesktopServices
doesn't scan right) and ports it to use the LaunchServer which is now
responsible for starting programs for a file.

1 files changed, 73 insertions, 0 deletions

diff --git a/Libraries/LibDesktop/Launcher.cpp b/Libraries/LibDesktop/Launcher.cpp
new file mode 100644
index 0000000000..959af2a212
--- /dev/null
+++ b/Libraries/LibDesktop/Launcher.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/URL.h>
+#include <LaunchServer/LaunchClientEndpoint.h>
+#include <LaunchServer/LaunchServerEndpoint.h>
+#include <LibDesktop/Launcher.h>
+#include <LibIPC/ServerConnection.h>
+#include <stdlib.h>
+
+namespace Desktop {
+
+class LaunchServerConnection : public IPC::ServerConnection<LaunchClientEndpoint, LaunchServerEndpoint>
+    , public LaunchClientEndpoint {
+    C_OBJECT(LaunchServerConnection)
+public:
+    virtual void handshake() override
+    {
+        auto response = send_sync<Messages::LaunchServer::Greet>();
+        set_my_client_id(response->client_id());
+    }
+
+private:
+    LaunchServerConnection()
+        : IPC::ServerConnection<LaunchClientEndpoint, LaunchServerEndpoint>(*this, "/tmp/portal/launch")
+    {
+
+    }
+    virtual void handle(const Messages::LaunchClient::Dummy&) override {}
+};
+
+bool Launcher::open(const URL& url)
+{
+    auto connection = LaunchServerConnection::construct();
+
+    if (url.protocol() == "file") {
+        // Make the path fully qualified - LaunchServer won't know our cwd
+        char* path = realpath(url.path().characters(), nullptr);
+        if (path == nullptr) {
+            return false;
+        }
+        auto fully_qualified = URL::create_with_file_protocol(path);
+        free(path);
+
+        return connection->send_sync<Messages::LaunchServer::OpenUrl>(fully_qualified.to_string());
+    }
+    return connection->send_sync<Messages::LaunchServer::OpenUrl>(url.to_string());
+}
+
+}