Require manifests for native messaging hosts.

chrome/browser/extensions/api/messaging/native_messaging_host_manifest.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_HOST_MANIFEST_H_
+#define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_HOST_MANIFEST_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/files/file_path.h"
+#include "base/memory/scoped_ptr.h"
+#include "extensions/common/url_pattern_set.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace extensions {
+
+class NativeMessagingHostManifest {
+ public:
+  enum HostInterface {
+    HOST_INTERFACE_STDIO,
+  };
+
+  ~NativeMessagingHostManifest();
+
+  // Verifies that the name is valid. Valid names must match regular expression
+  // "([a-z0-9_]+.)*[a-z0-9_]+".
+  static bool IsValidName(const std::string& name);
+
+  // Load manifest file from |file_path|.
+  static scoped_ptr<NativeMessagingHostManifest> Load(
+      const base::FilePath& file_path,
+      std::string* error_message);
+
+  const std::string& name() { return name_; }
+  const std::string& description() { return description_; }
+  HostInterface interface() { return interface_; }
+  base::FilePath& path() { return path_; }
+  const URLPatternSet& allowed_origins() { return allowed_origins_; }
+
+ private:
+  NativeMessagingHostManifest();
+
+  // Parses manifest |dictionary|. In case of an error sets |error_message| and
+  // returns false.
+  bool Parse(base::DictionaryValue* dictionary, std::string* error_message);
+
+  std::string name_;
+  std::string description_;
+  HostInterface interface_;
+  base::FilePath path_;
+  URLPatternSet allowed_origins_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeMessagingHostManifest);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_HOST_MANIFEST_H_