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// Copyright (c) 2011 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_SAFE_BROWSING_MALWARE_DETAILS_H_
#define CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_H_
// A class that encapsulates the detailed malware reports sent when
// users opt-in to do so from the malware warning page.
// An instance of this class is generated when a malware warning page
// is shown (SafeBrowsingBlockingPage).
#include <string>
#include <vector>
#include "base/containers/hash_tables.h"
#include "base/gtest_prod_util.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/safe_browsing/report.pb.h"
#include "chrome/browser/safe_browsing/ui_manager.h"
#include "content/public/browser/web_contents_observer.h"
#include "net/base/completion_callback.h"
namespace net {
class URLRequestContextGetter;
}
class MalwareDetailsCacheCollector;
class MalwareDetailsRedirectsCollector;
class MalwareDetailsFactory;
class Profile;
struct SafeBrowsingHostMsg_MalwareDOMDetails_Node;
namespace safe_browsing {
// Maps a URL to its Resource.
typedef base::hash_map<
std::string,
linked_ptr<safe_browsing::ClientMalwareReportRequest::Resource> > ResourceMap;
}
class MalwareDetails : public base::RefCountedThreadSafe<MalwareDetails>,
public content::WebContentsObserver {
public:
typedef SafeBrowsingUIManager::UnsafeResource UnsafeResource;
// Constructs a new MalwareDetails instance, using the factory.
static MalwareDetails* NewMalwareDetails(
SafeBrowsingUIManager* ui_manager,
content::WebContents* web_contents,
const UnsafeResource& resource);
// Makes the passed |factory| the factory used to instanciate
// SafeBrowsingBlockingPage objects. Useful for tests.
static void RegisterFactory(MalwareDetailsFactory* factory) {
factory_ = factory;
}
// The SafeBrowsingBlockingPage calls this from the IO thread when
// the user is leaving the blocking page and has opted-in to sending
// the report. We start the redirection urls collection from history service
// in UI thread; then do cache collection back in IO thread.
// When we are done, we send the report.
void FinishCollection();
void OnCacheCollectionReady();
void OnRedirectionCollectionReady();
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
protected:
friend class MalwareDetailsFactoryImpl;
MalwareDetails(SafeBrowsingUIManager* ui_manager,
content::WebContents* web_contents,
const UnsafeResource& resource);
virtual ~MalwareDetails();
// Called on the IO thread with the DOM details.
virtual void AddDOMDetails(
const std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>& params);
Profile* profile_;
// The report protocol buffer.
scoped_ptr<safe_browsing::ClientMalwareReportRequest> report_;
// Used to get a pointer to the HTTP cache.
scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
private:
friend class base::RefCountedThreadSafe<MalwareDetails>;
// Starts the collection of the report.
void StartCollection();
// Whether the url is "public" so we can add it to the report.
bool IsPublicUrl(const GURL& url) const;
// Finds an existing Resource for the given url, or creates a new
// one if not found, and adds it to |resources_|. Returns the
// found/created resource.
safe_browsing::ClientMalwareReportRequest::Resource* FindOrCreateResource(
const GURL& url);
// Adds a Resource to resources_ with the given parent-child
// relationship. |parent| and |tagname| can be empty, |children| can be NULL.
void AddUrl(const GURL& url,
const GURL& parent,
const std::string& tagname,
const std::vector<GURL>* children);
// Message handler.
void OnReceivedMalwareDOMDetails(
const std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>& params);
void AddRedirectUrlList(const std::vector<GURL>& urls);
scoped_refptr<SafeBrowsingUIManager> ui_manager_;
const UnsafeResource resource_;
// For every Url we collect we create a Resource message. We keep
// them in a map so we can avoid duplicates.
safe_browsing::ResourceMap resources_;
// Result from the cache extractor.
bool cache_result_;
// The factory used to instanciate SafeBrowsingBlockingPage objects.
// Usefull for tests, so they can provide their own implementation of
// SafeBrowsingBlockingPage.
static MalwareDetailsFactory* factory_;
// Used to collect details from the HTTP Cache.
scoped_refptr<MalwareDetailsCacheCollector> cache_collector_;
// Used to collect redirect urls from the history service
scoped_refptr<MalwareDetailsRedirectsCollector> redirects_collector_;
FRIEND_TEST_ALL_PREFIXES(MalwareDetailsTest, MalwareDOMDetails);
FRIEND_TEST_ALL_PREFIXES(MalwareDetailsTest, HTTPCache);
FRIEND_TEST_ALL_PREFIXES(MalwareDetailsTest, HTTPCacheNoEntries);
FRIEND_TEST_ALL_PREFIXES(MalwareDetailsTest, HistoryServiceUrls);
DISALLOW_COPY_AND_ASSIGN(MalwareDetails);
};
// Factory for creating MalwareDetails. Useful for tests.
class MalwareDetailsFactory {
public:
virtual ~MalwareDetailsFactory() { }
virtual MalwareDetails* CreateMalwareDetails(
SafeBrowsingUIManager* ui_manager,
content::WebContents* web_contents,
const SafeBrowsingUIManager::UnsafeResource& unsafe_resource) = 0;
};
#endif // CHROME_BROWSER_SAFE_BROWSING_MALWARE_DETAILS_H_
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