Policy: Re-enabled plugin still disabled

webkit/glue/plugins/plugin_group.cc

 // 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.
 
 #include "webkit/glue/plugins/plugin_group.h"
 
 #include "base/linked_ptr.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 85 matching lines @@
                          const std::string& identifier)
     : identifier_(identifier),
       group_name_(group_name),
       name_matcher_(name_matcher),
       update_url_(update_url),
       enabled_(false),
       version_(Version::GetVersionFromString("0")) {
 }
 
 void PluginGroup::InitFrom(const PluginGroup& other) {
+  enabled_ = false;
   identifier_ = other.identifier_;
   group_name_ = other.group_name_;
   name_matcher_ = other.name_matcher_;
-  description_ = other.description_;
   update_url_ = other.update_url_;
-  enabled_ = other.enabled_;
   for (size_t i = 0; i < other.version_ranges_.size(); ++i)
     version_ranges_.push_back(other.version_ranges_[i]);
   DCHECK_EQ(other.web_plugin_infos_.size(), other.web_plugin_positions_.size());
-  for (size_t i = 0; i < other.web_plugin_infos_.size(); ++i)
-    AddPlugin(other.web_plugin_infos_[i], other.web_plugin_positions_[i]);
+  std::list<WebPluginInfo>::const_iterator it = other.web_plugin_infos_.begin();
+  std::vector<int>::const_iterator itprio = other.web_plugin_positions_.begin();
+  for (; it != other.web_plugin_infos_.end(); ++it, ++itprio)
+    AddPlugin(*it, *itprio, NULL);
   if (!version_.get())
     version_.reset(Version::GetVersionFromString("0"));
+  enabled_ = other.enabled_;
 }
 
 PluginGroup::PluginGroup(const PluginGroup& other) {
   InitFrom(other);
 }
 
 PluginGroup& PluginGroup::operator=(const PluginGroup& other) {
   version_ranges_.clear();
   InitFrom(other);
   return *this;
@@ skipping 99 matching lines @@
 }
 
 void PluginGroup::UpdateDescriptionAndVersion(const WebPluginInfo& plugin) {
   description_ = plugin.desc;
   if (Version* new_version = CreateVersionFromString(plugin.version))
     version_.reset(new_version);
   else
     version_.reset(Version::GetVersionFromString("0"));
 }
 
-void PluginGroup::AddPlugin(const WebPluginInfo& plugin, int position) {
+bool PluginGroup::AddPlugin(
+    const WebPluginInfo& plugin,
+    int position,
+    WebPluginInfo** group_plugin_copy) {
   // Check if this group already contains this plugin.
-  for (size_t i = 0; i < web_plugin_infos_.size(); ++i) {
-    if (web_plugin_infos_[i].name == plugin.name &&
-        web_plugin_infos_[i].version == plugin.version &&
-        FilePath::CompareEqualIgnoreCase(web_plugin_infos_[i].path.value(),
+  for (std::list<WebPluginInfo>::iterator it = web_plugin_infos_.begin();
+       it != web_plugin_infos_.end(); ++it) {
+    if (it->name == plugin.name &&
+        it->version == plugin.version &&
+        FilePath::CompareEqualIgnoreCase(it->path.value(),
                                          plugin.path.value())) {
-      return;
+      if (group_plugin_copy)
+        *group_plugin_copy = &(*it);
+      return false;
     }
   }
   web_plugin_infos_.push_back(plugin);
   // The position of this plugin relative to the global list of plugins.
   web_plugin_positions_.push_back(position);
   UpdateActivePlugin(plugin);
+  if (group_plugin_copy)
+    *group_plugin_copy = &web_plugin_infos_.back();
+  return true;
+}
+
+std::list<WebPluginInfo>& PluginGroup::GetPlugins() {
+  return web_plugin_infos_;
+}
+
+std::vector<int>& PluginGroup::GetPluginPositions() {
+  return web_plugin_positions_;
 }
 
 string16 PluginGroup::GetGroupName() const {
   if (!group_name_.empty())
     return group_name_;
   DCHECK_EQ(1u, web_plugin_infos_.size());
   FilePath::StringType path =
-      web_plugin_infos_[0].path.BaseName().RemoveExtension().value();
+      web_plugin_infos_.front().path.BaseName().RemoveExtension().value();
 #if defined(OS_POSIX)
   return UTF8ToUTF16(path);
 #elif defined(OS_WIN)
   return WideToUTF16(path);
 #endif
 }
 
 DictionaryValue* PluginGroup::GetSummary() const {
   DictionaryValue* result = new DictionaryValue();
   result->SetString("name", GetGroupName());
   result->SetBoolean("enabled", enabled_);
   return result;
 }
 
 DictionaryValue* PluginGroup::GetDataForUI() const {
   string16 name = GetGroupName();
   DictionaryValue* result = new DictionaryValue();
   result->SetString("name", name);
   result->SetString("description", description_);
   result->SetString("version", version_->GetString());
   result->SetString("update_url", update_url_);
   result->SetBoolean("critical", IsVulnerable());
 
   bool group_disabled_by_policy = IsPluginNameDisabledByPolicy(name);
   ListValue* plugin_files = new ListValue();
   bool all_plugins_disabled_by_policy = true;
-  for (size_t i = 0; i < web_plugin_infos_.size(); ++i) {
-    const WebPluginInfo& web_plugin = web_plugin_infos_[i];
-    int priority = web_plugin_positions_[i];
+  std::vector<int>::const_iterator itprio = web_plugin_positions_.begin();
+  for (std::list<WebPluginInfo>::const_iterator it = web_plugin_infos_.begin();

[jam, 2010/12/15 19:48:55]

ditto, using an iterator here makes the code unnecessarily more verbose

+       it != web_plugin_infos_.end(); ++it, ++itprio) {
+    const WebPluginInfo& web_plugin = *it;
+    int priority = *itprio;
     DictionaryValue* plugin_file = new DictionaryValue();
     plugin_file->SetString("name", web_plugin.name);
     plugin_file->SetString("description", web_plugin.desc);
     plugin_file->SetString("path", web_plugin.path.value());
     plugin_file->SetString("version", web_plugin.version);
     bool plugin_disabled_by_policy = group_disabled_by_policy ||
         IsPluginNameDisabledByPolicy(web_plugin.name);
     if (plugin_disabled_by_policy) {
       plugin_file->SetString("enabledMode", "disabledByPolicy");
     } else {
@@ skipping 63 matching lines @@
 // Returns true if the latest version of this plugin group is vulnerable.
 bool PluginGroup::IsVulnerable() const {
   for (size_t i = 0; i < version_ranges_.size(); ++i) {
     if (IsPluginOutdated(*version_, version_ranges_[i]))
       return true;
   }
   return false;
 }
 
 void PluginGroup::DisableOutdatedPlugins() {
-  description_ = string16();
-  enabled_ = false;
+  bool first_enabled = true;
 
-  for (std::vector<WebPluginInfo>::iterator it =
-           web_plugin_infos_.begin();
-       it != web_plugin_infos_.end(); ++it) {
+  for (std::list<WebPluginInfo>::iterator it = web_plugin_infos_.begin();
+      it != web_plugin_infos_.end(); ++it) {
     scoped_ptr<Version> version(CreateVersionFromString(it->version));
     if (version.get()) {
+      bool plugin_is_outdated = false;
       for (size_t i = 0; i < version_ranges_.size(); ++i) {
         if (IsPluginOutdated(*version, version_ranges_[i])) {
-          it->enabled = false;
-          NPAPI::PluginList::Singleton()->DisablePlugin(it->path);
+          NPAPI::PluginList::Singleton()->DisablePlugin(it->path, false);
+          plugin_is_outdated = true;
+          break;
         }
       }
+      if (!plugin_is_outdated && first_enabled) {
+        first_enabled = false;
+        UpdateDescriptionAndVersion(*it);
+      }
     }
-    UpdateActivePlugin(*it);
   }
 }
 
 void PluginGroup::Enable(bool enable) {
   bool enabled_plugin_exists = false;
-  for (std::vector<WebPluginInfo>::iterator it =
-       web_plugin_infos_.begin();
+  for (std::list<WebPluginInfo>::iterator it = web_plugin_infos_.begin();
        it != web_plugin_infos_.end(); ++it) {
-    if (enable && !IsPluginNameDisabledByPolicy(it->name)) {
+    bool policy_disabled = IsPluginNameDisabledByPolicy(it->name);
+    if (enable && !policy_disabled) {
       NPAPI::PluginList::Singleton()->EnablePlugin(it->path);
-      it->enabled = true;
       enabled_plugin_exists = true;
     } else {
-      it->enabled = false;
-      NPAPI::PluginList::Singleton()->DisablePlugin(it->path);
+      NPAPI::PluginList::Singleton()->DisablePlugin(it->path, policy_disabled);
     }
   }
   enabled_ = enabled_plugin_exists;
+}
+
+void PluginGroup::RefreshEnabledState() {
+  bool enabled_plugin_exists = false;
+  for (std::list<WebPluginInfo>::iterator it = web_plugin_infos_.begin();
+       it != web_plugin_infos_.end(); ++it) {
+    if (it->enabled) {
+      enabled_plugin_exists = true;
+      break;
+    }
+  }
+  enabled_ = enabled_plugin_exists;
 }