Pull extension blacklist and policy logic out of ExtensionPrefs and into two

new classes: Blacklist for the blacklist logic, and
StandardManagementPolicyProvider for the management policy component.

This is a preliminary step to making the extension blacklist backed by safe
browsing. Dumb blacklisting code will still live in ExtensionPrefs until the
migration is complete.


BUG=154149
TBR=ben@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11410048

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@168020 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 61 insertions, 0 deletions

diff --git a/chrome/browser/extensions/blacklist.cc b/chrome/browser/extensions/blacklist.cc
new file mode 100644
index 0000000..834d262
--- /dev/null
+++ b/chrome/browser/extensions/blacklist.cc
@@ -0,0 +1,61 @@
+// Copyright 2012 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.
+
+#include "chrome/browser/extensions/blacklist.h"
+
+#include "chrome/browser/extensions/extension_prefs.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/common/pref_names.h"
+
+namespace extensions {
+
+Blacklist::Observer::Observer(Blacklist* blacklist) : blacklist_(blacklist) {
+  blacklist_->AddObserver(this);
+}
+
+Blacklist::Observer::~Observer() {
+  blacklist_->RemoveObserver(this);
+}
+
+Blacklist::Blacklist(ExtensionPrefs* prefs) : prefs_(prefs) {
+}
+
+Blacklist::~Blacklist() {
+}
+
+bool Blacklist::IsBlacklisted(const Extension* extension) const {
+  return prefs_->IsExtensionBlacklisted(extension->id());
+}
+
+bool Blacklist::IsBlacklisted(const std::string& extension_id) const {
+  return prefs_->IsExtensionBlacklisted(extension_id);
+}
+
+void Blacklist::SetFromUpdater(const std::vector<std::string>& ids,
+                               const std::string& version) {
+  std::set<std::string> ids_as_set;
+  for (std::vector<std::string>::const_iterator it = ids.begin();
+       it != ids.end(); ++it) {
+    if (Extension::IdIsValid(*it))
+      ids_as_set.insert(*it);
+    else
+      LOG(WARNING) << "Got invalid extension ID \"" << *it << "\"";
+  }
+
+  prefs_->UpdateBlacklist(ids_as_set);
+  prefs_->pref_service()->SetString(prefs::kExtensionBlacklistUpdateVersion,
+                                    version);
+
+  FOR_EACH_OBSERVER(Observer, observers_, OnBlacklistUpdated());
+}
+
+void Blacklist::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void Blacklist::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+}  // namespace extensions