Implement basic local socket server to communicate with file provider extension

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>

diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 726308289791ff4a0605136bf0d6cb618e3e80bb..cd63cda99388b9bc3871bd8c53203b4c0d3c345b 100644 (file)
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -284,7 +284,10 @@ IF( APPLE )
         macOS/fileprovider.h
         macOS/fileprovider_mac.mm
         macOS/fileproviderdomainmanager.h
-        macOS/fileproviderdomainmanager_mac.mm)
+        macOS/fileproviderdomainmanager_mac.mm
+        macOS/fileprovidersocketcontroller.h
+        macOS/fileprovidersocketcontroller.cpp
+        macOS/fileprovidersocketcontroller_mac.mm)
 
     if(SPARKLE_FOUND AND BUILD_UPDATER)
         # Define this, we need to check in updater.cpp

diff --git a/src/gui/macOS/fileprovidersocketcontroller.cpp b/src/gui/macOS/fileprovidersocketcontroller.cpp
new file mode 100644 (file)
index 0000000..6ed6e0f
--- /dev/null
+++ b/src/gui/macOS/fileprovidersocketcontroller.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2022 by Claudio Cambra <claudio.cambra@nextcloud.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "fileprovidersocketcontroller.h"
+
+namespace OCC
+{
+
+namespace Mac
+{
+
+Q_LOGGING_CATEGORY(lcFileProviderSocketController, "nextcloud.gui.macos.fileprovider.socketcontroller", QtInfoMsg)
+
+FileProviderSocketController::FileProviderSocketController(QObject *parent)
+    : QObject{parent}
+{
+#ifdef Q_OS_MACOS
+    _socketPath = fileProviderSocketPath();
+#endif
+    startListening();
+}
+
+void FileProviderSocketController::startListening()
+{
+    QLocalServer::removeServer(_socketPath);
+
+    const auto serverStarted = _socketServer.listen(_socketPath);
+    if (!serverStarted) {
+        qCWarning(lcFileProviderSocketController) << "Could not start file provider socket server"
+                                                  << _socketPath;
+    } else {
+        qCInfo(lcFileProviderSocketController) << "File provider socket server started, listening"
+                                               << _socketPath;
+    }
+
+    connect(&_socketServer, &QLocalServer::newConnection,
+            this, &FileProviderSocketController::slotNewConnection);
+}
+
+void FileProviderSocketController::slotNewConnection()
+{
+    if (!_socketServer.hasPendingConnections()) {
+        return;
+    }
+
+    const auto socket = _socketServer.nextPendingConnection();
+    if (!socket) {
+        return;
+    }
+}
+
+} // namespace Mac
+
+} // namespace OCC

diff --git a/src/gui/macOS/fileprovidersocketcontroller.h b/src/gui/macOS/fileprovidersocketcontroller.h
new file mode 100644 (file)
index 0000000..feb6447
--- /dev/null
+++ b/src/gui/macOS/fileprovidersocketcontroller.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 by Claudio Cambra <claudio.cambra@nextcloud.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QLocalServer>
+#include <QLoggingCategory>
+
+namespace OCC
+{
+
+namespace Mac {
+
+#ifdef Q_OS_MACOS
+QString fileProviderSocketPath();
+#endif
+
+class FileProviderSocketController : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit FileProviderSocketController(QObject *parent = nullptr);
+
+private slots:
+    void startListening();
+    void slotNewConnection();
+
+private:
+    QString _socketPath;
+    QLocalServer _socketServer;
+
+};
+
+} // namespace Mac
+
+} // namespace OCC

diff --git a/src/gui/macOS/fileprovidersocketcontroller_mac.mm b/src/gui/macOS/fileprovidersocketcontroller_mac.mm
new file mode 100644 (file)
index 0000000..8377adb
--- /dev/null
+++ b/src/gui/macOS/fileprovidersocketcontroller_mac.mm
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 by Claudio Cambra <claudio.cambra@nextcloud.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import <QString>
+
+#include "config.h"
+
+namespace OCC
+{
+
+namespace Mac
+{
+
+QString fileProviderSocketPath()
+{
+    // This must match the code signing Team setting of the extension
+    // Example for developer builds (with ad-hoc signing identity): "" "com.owncloud.desktopclient" ".fileprovidersocket"
+    // Example for official signed packages: "9B5WD74GWJ." "com.owncloud.desktopclient" ".fileprovidersocket"
+    NSString *appGroupId = @SOCKETAPI_TEAM_IDENTIFIER_PREFIX APPLICATION_REV_DOMAIN;
+
+    NSURL *container = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:appGroupId];
+    NSURL *socketPath = [container URLByAppendingPathComponent:@".fileprovidersocket" isDirectory:false];
+    return QString::fromNSString(socketPath.path);
+}
+
+} // namespace Mac
+
+} // namespace OCC