1 files changed, 122 insertions, 0 deletions
diff --git a/Services/ProtocolServer/ClientConnection.cpp b/Services/ProtocolServer/ClientConnection.cpp
new file mode 100644
index 0000000000..40387f4208
--- /dev/null
+++ b/Services/ProtocolServer/ClientConnection.cpp
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2018-2020, 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/Badge.h>
+#include <AK/SharedBuffer.h>
+#include <ProtocolServer/Download.h>
+#include <ProtocolServer/ClientConnection.h>
+#include <ProtocolServer/Protocol.h>
+#include <ProtocolServer/ProtocolClientEndpoint.h>
+
+namespace ProtocolServer {
+
+static HashMap<int, RefPtr<ClientConnection>> s_connections;
+
+ClientConnection::ClientConnection(Core::LocalSocket& socket, int client_id)
+    : IPC::ClientConnection<ProtocolServerEndpoint>(*this, socket, client_id)
+{
+    s_connections.set(client_id, *this);
+}
+
+ClientConnection::~ClientConnection()
+{
+}
+
+void ClientConnection::die()
+{
+    s_connections.remove(client_id());
+}
+
+OwnPtr<Messages::ProtocolServer::IsSupportedProtocolResponse> ClientConnection::handle(const Messages::ProtocolServer::IsSupportedProtocol& message)
+{
+    bool supported = Protocol::find_by_name(message.protocol().to_lowercase());
+    return make<Messages::ProtocolServer::IsSupportedProtocolResponse>(supported);
+}
+
+OwnPtr<Messages::ProtocolServer::StartDownloadResponse> ClientConnection::handle(const Messages::ProtocolServer::StartDownload& message)
+{
+    URL url(message.url());
+    if (!url.is_valid())
+        return make<Messages::ProtocolServer::StartDownloadResponse>(-1);
+    auto* protocol = Protocol::find_by_name(url.protocol());
+    if (!protocol)
+        return make<Messages::ProtocolServer::StartDownloadResponse>(-1);
+    auto download = protocol->start_download(*this, url);
+    if (!download)
+        return make<Messages::ProtocolServer::StartDownloadResponse>(-1);
+    auto id = download->id();
+    m_downloads.set(id, move(download));
+    return make<Messages::ProtocolServer::StartDownloadResponse>(id);
+}
+
+OwnPtr<Messages::ProtocolServer::StopDownloadResponse> ClientConnection::handle(const Messages::ProtocolServer::StopDownload& message)
+{
+    auto* download = const_cast<Download*>(m_downloads.get(message.download_id()).value_or(nullptr));
+    bool success = false;
+    if (download) {
+        download->stop();
+        success = true;
+    }
+    return make<Messages::ProtocolServer::StopDownloadResponse>(success);
+}
+
+void ClientConnection::did_finish_download(Badge<Download>, Download& download, bool success)
+{
+    RefPtr<SharedBuffer> buffer;
+    if (success && download.payload().size() > 0 && !download.payload().is_null()) {
+        buffer = SharedBuffer::create_with_size(download.payload().size());
+        memcpy(buffer->data(), download.payload().data(), download.payload().size());
+        buffer->seal();
+        buffer->share_with(client_pid());
+        m_shared_buffers.set(buffer->shbuf_id(), buffer);
+    }
+    ASSERT(download.total_size().has_value());
+
+    IPC::Dictionary response_headers;
+    for (auto& it : download.response_headers())
+        response_headers.add(it.key, it.value);
+    post_message(Messages::ProtocolClient::DownloadFinished(download.id(), success, download.total_size().value(), buffer ? buffer->shbuf_id() : -1, response_headers));
+
+    m_downloads.remove(download.id());
+}
+
+void ClientConnection::did_progress_download(Badge<Download>, Download& download)
+{
+    post_message(Messages::ProtocolClient::DownloadProgress(download.id(), download.total_size(), download.downloaded_size()));
+}
+
+OwnPtr<Messages::ProtocolServer::GreetResponse> ClientConnection::handle(const Messages::ProtocolServer::Greet&)
+{
+    return make<Messages::ProtocolServer::GreetResponse>(client_id());
+}
+
+OwnPtr<Messages::ProtocolServer::DisownSharedBufferResponse> ClientConnection::handle(const Messages::ProtocolServer::DisownSharedBuffer& message)
+{
+    m_shared_buffers.remove(message.shbuf_id());
+    return make<Messages::ProtocolServer::DisownSharedBufferResponse>();
+}
+
+}