Read the archive's header when there is a url request

atom/browser/net/asar/url_request_asar_job.cc

@@ -0,0 +1,54 @@
+// Copyright (c) 2014 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/net/asar/url_request_asar_job.h"
+
+#include "net/base/mime_util.h"
+#include "net/base/net_errors.h"
+#include "net/url_request/url_request_status.h"
+
+namespace asar {
+
+URLRequestAsarJob::URLRequestAsarJob(
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate,
+    const base::FilePath& asar_path,
+    const base::FilePath& file_path,
+    const scoped_refptr<base::TaskRunner>& file_task_runner)
+    : net::URLRequestJob(request, network_delegate),
+      archive_(asar_path),
+      file_path_(file_path),
+      file_task_runner_(file_task_runner),
+      weak_ptr_factory_(this) {}
+
+URLRequestAsarJob::~URLRequestAsarJob() {}
+
+void URLRequestAsarJob::Start() {
+  Archive::FileInfo info;
+  if (!archive_.Init() || !archive_.GetFileInfo(file_path_, &info)) {
+    NotifyDone(net::URLRequestStatus(net::URLRequestStatus::FAILED,
+                                     net::ERR_FILE_NOT_FOUND));
+    return;
+  }
+
+  NotifyHeadersComplete();
+}
+
+void URLRequestAsarJob::Kill() {
+  weak_ptr_factory_.InvalidateWeakPtrs();
+  URLRequestJob::Kill();
+}
+
+bool URLRequestAsarJob::ReadRawData(net::IOBuffer* buf,
+                                    int buf_size,
+                                    int* bytes_read) {
+  *bytes_read = 0;
+  return true;
+}
+
+bool URLRequestAsarJob::GetMimeType(std::string* mime_type) const {
+  return net::GetMimeTypeFromFile(file_path_, mime_type);
+}
+
+}  // namespace asar