Reland: Communicate ExtensionSettings policy to renderers

chrome/browser/extensions/extension_management_internal.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_management_internal.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 97 matching lines @@
                                &blocked_permissions);
 
   // Parses list of Match Patterns into a URLPatternSet.
   auto parse_url_pattern_set = [](const base::DictionaryValue* dict,
                                   const char key[], URLPatternSet* out_value) {
     const base::ListValue* host_list_value = nullptr;
 
     // Get the list of URLPatterns.
     if (dict->GetListWithoutPathExpansion(key,
                                           &host_list_value)) {
+      if (host_list_value->GetSize() >
+          schema_constants::kMaxItemsURLPatternSet) {
+        LOG(WARNING) << "Exceeded maximum number of URL match patterns ("
+                     << schema_constants::kMaxItemsURLPatternSet
+                     << ") for attribute '" << key << "'";
+        return false;
+      }
+
       out_value->ClearPatterns();
       const int extension_scheme_mask =
           URLPattern::GetValidSchemeMaskForExtensions();
       for (size_t i = 0; i < host_list_value->GetSize(); ++i) {
         std::string unparsed_str;
         host_list_value->GetString(i, &unparsed_str);
         URLPattern pattern = URLPattern(extension_scheme_mask);
-        URLPattern::ParseResult parse_result = pattern.Parse(unparsed_str);
+        URLPattern::ParseResult parse_result = pattern.Parse(
+            unparsed_str, URLPattern::ALLOW_WILDCARD_FOR_EFFECTIVE_TLD);
         if (parse_result != URLPattern::PARSE_SUCCESS) {
           LOG(WARNING) << kMalformedPreferenceWarning;
           LOG(WARNING) << "Invalid URL pattern '" + unparsed_str +
                               "' for attribute " + key;
           return false;
         }
         out_value->AddPattern(pattern);
       }
     }
     return true;
@@ skipping 44 matching lines @@
 void GlobalSettings::Reset() {
   has_restricted_install_sources = false;
   install_sources.ClearPatterns();
   has_restricted_allowed_types = false;
   allowed_types.clear();
 }
 
 }  // namespace internal
 
 }  // namespace extensions