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// Copyright 2014 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_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_
#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_
#include <string>
#include <vector>
#include "base/callback_forward.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/time/time.h"
class Profile;
namespace base {
class DictionaryValue;
class ListValue;
class Value;
}
// This class represents a "site list" that is part of a content pack. It is
// loaded from a JSON file inside the extension bundle, which defines the sites
// on the list.
// Every site has -- among other attributes -- a whitelist of URLs that are
// required to use it. All sites from all installed content packs together with
// their respective whitelists are combined in the SupervisedUserURLFilter,
// which can tell for a given URL if it is part of the whitelist for any site.
// Effectively, SupervisedUserURLFilter then acts as a big whitelist which is
// the union of the whitelists in all sites in all content packs. See
// http://goo.gl/cBCB8 for a diagram.
class SupervisedUserSiteList
: public base::RefCountedThreadSafe<SupervisedUserSiteList> {
public:
typedef base::Callback<void(const scoped_refptr<SupervisedUserSiteList>&)>
LoadedCallback;
struct Site {
explicit Site(const base::string16& name);
~Site();
// The human-readable name for the site.
base::string16 name;
// A list of URL patterns that should be whitelisted for the site.
std::vector<std::string> patterns;
// A list of SHA1 hashes of hostnames that should be whitelisted
// for the site.
std::vector<std::string> hostname_hashes;
// Copying and assignment is allowed.
};
// Asynchronously loads the site list from |file| and calls |callback| with
// the newly created object.
static void Load(const base::FilePath& file, const LoadedCallback& callback);
// Sets whether the site list should be loaded in-process or out-of-process.
// In-process loading should only be used in tests (to avoid having to set up
// child process handling).
static void SetLoadInProcessForTesting(bool in_process);
// Returns a list of all sites in this site list.
const std::vector<Site>& sites() const { return sites_; }
private:
friend class base::RefCountedThreadSafe<SupervisedUserSiteList>;
explicit SupervisedUserSiteList(const base::ListValue& sites);
~SupervisedUserSiteList();
// Static private so they can access the private constructor.
static void ParseJson(const base::FilePath& path,
const SupervisedUserSiteList::LoadedCallback& callback,
const std::string& json);
static void OnJsonParseSucceeded(
const base::FilePath& path,
base::TimeTicks start_time,
const SupervisedUserSiteList::LoadedCallback& callback,
scoped_ptr<base::Value> value);
std::vector<Site> sites_;
DISALLOW_COPY_AND_ASSIGN(SupervisedUserSiteList);
};
#endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_
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