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// Copyright (c) 2010 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 WEBKIT_GLUE_PLUGINS_PLUGIN_GROUP_H_
#define WEBKIT_GLUE_PLUGINS_PLUGIN_GROUP_H_
#pragma once
#include <map>
#include <set>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/scoped_ptr.h"
#include "base/string16.h"
class DictionaryValue;
class FilePath;
class Version;
struct WebPluginInfo;
namespace NPAPI {
class PluginList;
};
template <typename T>
class linked_ptr;
// Hard-coded definitions of plugin groups.
struct PluginGroupDefinition {
const char* identifier; // Unique identifier for this group.
const char* name; // Name of this group.
const char* name_matcher; // Substring matcher for the plugin name.
const char* version_matcher_low; // Matchers for the plugin version.
const char* version_matcher_high;
const char* min_version; // Minimum secure version.
const char* update_url; // Location of latest secure version.
};
// A PluginGroup can match a range of versions of a specific plugin (as defined
// by matching a substring of its name).
// It contains all WebPluginInfo structs (at least one) matching its definition.
// In addition, it knows about a security "baseline", i.e. the minimum version
// of a plugin that is needed in order not to exhibit known security
// vulnerabilities.
class PluginGroup {
public:
// Used by about:plugins to disable Reader plugin when internal PDF viewer is
// enabled.
static const char* kAdobeReader8GroupName;
static const char* kAdobeReader9GroupName;
typedef std::map<std::string, linked_ptr<PluginGroup> > PluginMap;
// Creates a PluginGroup from a PluginGroupDefinition.
static PluginGroup* FromPluginGroupDefinition(
const PluginGroupDefinition& definition);
~PluginGroup();
// Creates a PluginGroup from a WebPluginInfo -- when no hard-coded
// definition is found.
static PluginGroup* FromWebPluginInfo(const WebPluginInfo& wpi);
// Find a plugin group matching |info| in the list of hardcoded plugins and
// returns a copy of it if found, or a new group matching exactly this plugin
// otherwise.
// The caller should take ownership of the return PluginGroup.
static PluginGroup* CopyOrCreatePluginGroup(const WebPluginInfo& info);
// Configures the set of plugin name patterns for disabling plugins via
// enterprise configuration management.
static void SetPolicyDisabledPluginPatterns(const std::set<string16>& set);
// Tests to see if a plugin is on the blacklist using its name as
// the lookup key.
static bool IsPluginNameDisabledByPolicy(const string16& plugin_name);
// Tests to see if a plugin is on the blacklist using its path as
// the lookup key.
static bool IsPluginPathDisabledByPolicy(const FilePath& plugin_path);
// Find the PluginGroup matching a Plugin in a list of plugin groups. Returns
// NULL if no matching PluginGroup is found.
static PluginGroup* FindGroupMatchingPlugin(
const std::map<std::string, linked_ptr<PluginGroup> >& plugin_groups,
const WebPluginInfo& plugin);
// Creates a copy of this plugin group.
PluginGroup* Copy() {
return new PluginGroup(group_name_, name_matcher_, version_range_low_str_,
version_range_high_str_, min_version_str_,
update_url_, identifier_);
}
// Returns true if the given plugin matches this group.
bool Match(const WebPluginInfo& plugin) const;
// Adds the given plugin to this group. Provide the position of the
// plugin as given by PluginList so we can display its priority.
void AddPlugin(const WebPluginInfo& plugin, int position);
// Enables/disables this group. This enables/disables all plugins in the
// group.
void Enable(bool enable);
// Returns whether the plugin group is enabled or not.
bool Enabled() const { return enabled_; }
// Returns a unique identifier for this group, if one is defined, or the empty
// string otherwise.
const std::string& identifier() const { return identifier_; }
// Returns this group's name, or the filename without extension if the name
// is empty.
string16 GetGroupName() const;
// Returns the description of the highest-priority plug-in in the group.
const string16& description() const { return description_; }
// Returns a DictionaryValue with data to display in the UI.
DictionaryValue* GetDataForUI() const;
// Returns a DictionaryValue with data to save in the preferences.
DictionaryValue* GetSummary() const;
// Returns the update URL.
std::string GetUpdateURL() const { return update_url_; }
// Returns true if the highest-priority plugin in this group has known
// security problems.
bool IsVulnerable() const;
// Disables all plugins in this group that are older than the
// minimum version.
void DisableOutdatedPlugins();
private:
FRIEND_TEST_ALL_PREFIXES(PluginGroupTest, PluginGroupDefinition);
static const PluginGroupDefinition* GetPluginGroupDefinitions();
static size_t GetPluginGroupDefinitionsSize();
PluginGroup(const string16& group_name,
const string16& name_matcher,
const std::string& version_range_low,
const std::string& version_range_high,
const std::string& min_version,
const std::string& update_url,
const std::string& identifier);
Version* CreateVersionFromString(const string16& version_string);
// Set the description and version for this plugin group from the
// given plug-in.
void UpdateDescriptionAndVersion(const WebPluginInfo& plugin);
// Updates the active plugin in the group. The active plugin is the first
// enabled one, or if all plugins are disabled, simply the first one.
void UpdateActivePlugin(const WebPluginInfo& plugin);
static std::set<string16>* policy_disabled_plugin_patterns_;
std::string identifier_;
string16 group_name_;
string16 name_matcher_;
std::string version_range_low_str_;
std::string version_range_high_str_;
scoped_ptr<Version> version_range_low_;
scoped_ptr<Version> version_range_high_;
string16 description_;
std::string update_url_;
bool enabled_;
std::string min_version_str_;
scoped_ptr<Version> min_version_;
scoped_ptr<Version> version_;
std::vector<WebPluginInfo> web_plugin_infos_;
std::vector<int> web_plugin_positions_;
DISALLOW_COPY_AND_ASSIGN(PluginGroup);
};
#endif // WEBKIT_GLUE_PLUGINS_PLUGIN_GROUP_H_
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