url_blacklist_manager.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061
15d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "components/policy/core/browser/url_blacklist_manager.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 8868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/files/file_path.h" 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/location.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/message_loop/message_loop_proxy.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/sequenced_task_runner.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/stl_util.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_number_conversions.h" 155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/task_runner_util.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "components/policy/core/common/policy_pref_names.h" 18cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/pref_registry/pref_registry_syncable.h" 19c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "net/base/filename_util.h" 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/base/load_flags.h" 21c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "net/base/net_errors.h" 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/url_request/url_request.h" 23a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch#include "url/url_parse.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcher; 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcherCondition; 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcherConditionFactory; 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcherConditionSet; 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcherPortFilter; 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using url_matcher::URLMatcherSchemeFilter; 31a02191e04bc25c4935f804f2c080ae28663d096dBen Murdochusing url_matcher::URLQueryElementMatcherCondition; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace policy { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const char kFileScheme[] = "file"; 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Maximum filters per policy. Filters over this index are ignored. 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kMaxFiltersPerPolicy = 1000; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// A task that builds the blacklist on a background thread. 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)scoped_ptr<URLBlacklist> BuildBlacklist( 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<base::ListValue> block, 455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<base::ListValue> allow, 465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) URLBlacklist::SegmentURLCallback segment_url) { 475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<URLBlacklist> blacklist(new URLBlacklist(segment_url)); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) blacklist->Block(block.get()); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) blacklist->Allow(allow.get()); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return blacklist.Pass(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 53a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch// Tokenise the parameter |query| and add appropriate query element matcher 54a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch// conditions to the |query_conditions|. 55a02191e04bc25c4935f804f2c080ae28663d096dBen Murdochvoid ProcessQueryToConditions( 56a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch url_matcher::URLMatcherConditionFactory* condition_factory, 57a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch const std::string& query, 58a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch bool allow, 59a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch std::set<URLQueryElementMatcherCondition>* query_conditions) { 60010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::Component query_left = url::MakeRange(0, query.length()); 61010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::Component key; 62010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::Component value; 63a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // Depending on the filter type being black-list or white-list, the matcher 64a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // choose any or every match. The idea is a URL should be black-listed if 65a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // there is any occurrence of the key value pair. It should be white-listed 66a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // only if every occurrence of the key is followed by the value. This avoids 67a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // situations such as a user appending a white-listed video parameter in the 68a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // end of the query and watching a video of his choice (the last parameter is 69a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // ignored by some web servers like youtube's). 70a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::Type match_type = 71a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch allow ? URLQueryElementMatcherCondition::MATCH_ALL 72a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch : URLQueryElementMatcherCondition::MATCH_ANY; 73a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 74a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch while (ExtractQueryKeyValue(query.data(), &query_left, &key, &value)) { 75a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::QueryElementType query_element_type = 76a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch value.len ? URLQueryElementMatcherCondition::ELEMENT_TYPE_KEY_VALUE 77a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch : URLQueryElementMatcherCondition::ELEMENT_TYPE_KEY; 78a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::QueryValueMatchType query_value_match_type; 79a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (!value.len && key.len && query[key.end() - 1] == '*') { 80a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch --key.len; 81a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_value_match_type = 82a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::QUERY_VALUE_MATCH_PREFIX; 83a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } else if (value.len && query[value.end() - 1] == '*') { 84a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch --value.len; 85a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_value_match_type = 86a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::QUERY_VALUE_MATCH_PREFIX; 87a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } else { 88a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_value_match_type = 89a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition::QUERY_VALUE_MATCH_EXACT; 90a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 91a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_conditions->insert( 92a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch URLQueryElementMatcherCondition(query.substr(key.begin, key.len), 93a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query.substr(value.begin, value.len), 94a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_value_match_type, 95a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_element_type, 96a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch match_type, 97a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch condition_factory)); 98a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 99a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch} 100a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct URLBlacklist::FilterComponents { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilterComponents() : port(0), match_subdomains(true), allow(true) {} 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~FilterComponents() {} 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string scheme; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string host; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16 port; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string path; 111a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch std::string query; 112a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch int number_of_key_value_pairs; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool match_subdomains; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool allow; 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)URLBlacklist::URLBlacklist(SegmentURLCallback segment_url) 1185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : segment_url_(segment_url), id_(0), url_matcher_(new URLMatcher) {} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)URLBlacklist::~URLBlacklist() {} 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklist::AddFilters(bool allow, 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::ListValue* list) { 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLMatcherConditionSet::Vector all_conditions; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size = std::min(kMaxFiltersPerPolicy, list->GetSize()); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < size; ++i) { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string pattern; 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success = list->GetString(i, &pattern); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(success); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilterComponents components; 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) components.allow = allow; 132a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (!FilterToComponents(segment_url_, 133a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch pattern, 134a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.scheme, 135a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.host, 136a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.match_subdomains, 137a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.port, 138a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.path, 139a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch &components.query)) { 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Invalid pattern " << pattern; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 144a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch scoped_refptr<URLMatcherConditionSet> condition_set = 145a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch CreateConditionSet(url_matcher_.get(), 146a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch ++id_, 147a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.scheme, 148a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.host, 149a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.match_subdomains, 150a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.port, 151a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.path, 152a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.query, 153a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch allow); 154a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch components.number_of_key_value_pairs = 155a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch condition_set->query_conditions().size(); 156a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch all_conditions.push_back(condition_set); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) filters_[id_] = components; 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url_matcher_->AddConditionSets(all_conditions); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklist::Block(const base::ListValue* filters) { 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddFilters(false, filters); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklist::Allow(const base::ListValue* filters) { 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddFilters(true, filters); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool URLBlacklist::IsURLBlocked(const GURL& url) const { 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::set<URLMatcherConditionSet::ID> matching_ids = 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url_matcher_->MatchURL(url); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const FilterComponents* max = NULL; 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (std::set<URLMatcherConditionSet::ID>::iterator id = matching_ids.begin(); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) id != matching_ids.end(); ++id) { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::map<int, FilterComponents>::const_iterator it = filters_.find(*id); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(it != filters_.end()); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const FilterComponents& filter = it->second; 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!max || FilterTakesPrecedence(filter, *max)) 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max = &filter; 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Default to allow. 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!max) 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !max->allow; 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t URLBlacklist::Size() const { 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return filters_.size(); 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool URLBlacklist::FilterToComponents(SegmentURLCallback segment_url, 1975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::string& filter, 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* scheme, 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* host, 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool* match_subdomains, 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16* port, 202a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch std::string* path, 203a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch std::string* query) { 204010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::Parsed parsed; 205868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 2065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (segment_url(filter, &parsed) == kFileScheme) { 207868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) base::FilePath file_path; 208868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!net::FileURLToFilePath(GURL(filter), &file_path)) 209868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 210868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 2115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *scheme = kFileScheme; 212868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) host->clear(); 213868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *match_subdomains = true; 214868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *port = 0; 215868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Special path when the |filter| is 'file://*'. 216868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *path = (filter == "file://*") ? "" : file_path.AsUTF8Unsafe(); 217868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#if defined(FILE_PATH_USES_WIN_SEPARATORS) 218868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Separators have to be canonicalized on Windows. 219868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) std::replace(path->begin(), path->end(), '\\', '/'); 220868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *path = "/" + *path; 221868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#endif 222868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return true; 223868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!parsed.host.is_nonempty()) 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (parsed.scheme.is_nonempty()) 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheme->assign(filter, parsed.scheme.begin, parsed.scheme.len); 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheme->clear(); 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host->assign(filter, parsed.host.begin, parsed.host.len); 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Special '*' host, matches all hosts. 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*host == "*") { 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host->clear(); 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *match_subdomains = true; 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if ((*host)[0] == '.') { 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A leading dot in the pattern syntax means that we don't want to match 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // subdomains. 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host->erase(0, 1); 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *match_subdomains = false; 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 244010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::RawCanonOutputT<char> output; 245010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::CanonHostInfo host_info; 246010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) url::CanonicalizeHostVerbose(filter.c_str(), parsed.host, &output, 247010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) &host_info); 248010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (host_info.family == url::CanonHostInfo::NEUTRAL) { 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We want to match subdomains. Add a dot in front to make sure we only 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // match at domain component boundaries. 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *host = "." + *host; 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *match_subdomains = true; 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *match_subdomains = false; 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (parsed.port.is_nonempty()) { 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int int_port; 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!base::StringToInt(filter.substr(parsed.port.begin, parsed.port.len), 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &int_port)) { 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (int_port <= 0 || int_port > kuint16max) 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *port = int_port; 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Match any port. 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *port = 0; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (parsed.path.is_nonempty()) 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->assign(filter, parsed.path.begin, parsed.path.len); 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->clear(); 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 277a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (query) { 278a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (parsed.query.is_nonempty()) 279a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query->assign(filter, parsed.query.begin, parsed.query.len); 280a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch else 281a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query->clear(); 282a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 283a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)scoped_refptr<URLMatcherConditionSet> URLBlacklist::CreateConditionSet( 2895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) URLMatcher* url_matcher, 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int id, 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& scheme, 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& host, 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool match_subdomains, 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16 port, 295a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch const std::string& path, 296a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch const std::string& query, 297a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch bool allow) { 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLMatcherConditionFactory* condition_factory = 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url_matcher->condition_factory(); 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::set<URLMatcherCondition> conditions; 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) conditions.insert(match_subdomains ? 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) condition_factory->CreateHostSuffixPathPrefixCondition(host, path) : 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) condition_factory->CreateHostEqualsPathPrefixCondition(host, path)); 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch std::set<URLQueryElementMatcherCondition> query_conditions; 306a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (!query.empty()) { 307a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch ProcessQueryToConditions( 308a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch condition_factory, query, allow, &query_conditions); 309a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 310a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<URLMatcherSchemeFilter> scheme_filter; 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!scheme.empty()) 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheme_filter.reset(new URLMatcherSchemeFilter(scheme)); 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<URLMatcherPortFilter> port_filter; 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (port != 0) { 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<URLMatcherPortFilter::Range> ranges; 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ranges.push_back(URLMatcherPortFilter::CreateRange(port)); 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) port_filter.reset(new URLMatcherPortFilter(ranges)); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 322a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch return new URLMatcherConditionSet(id, 323a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch conditions, 324a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch query_conditions, 325a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch scheme_filter.Pass(), 326a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch port_filter.Pass()); 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool URLBlacklist::FilterTakesPrecedence(const FilterComponents& lhs, 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const FilterComponents& rhs) { 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lhs.match_subdomains && !rhs.match_subdomains) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!lhs.match_subdomains && rhs.match_subdomains) 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t host_length = lhs.host.length(); 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t other_host_length = rhs.host.length(); 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (host_length != other_host_length) 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return host_length > other_host_length; 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t path_length = lhs.path.length(); 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t other_path_length = rhs.path.length(); 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (path_length != other_path_length) 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return path_length > other_path_length; 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 347a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (lhs.number_of_key_value_pairs != rhs.number_of_key_value_pairs) 348a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch return lhs.number_of_key_value_pairs > rhs.number_of_key_value_pairs; 349a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lhs.allow && !rhs.allow) 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)URLBlacklistManager::URLBlacklistManager( 3575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PrefService* pref_service, 3585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SequencedTaskRunner>& background_task_runner, 3595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SequencedTaskRunner>& io_task_runner, 3605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) URLBlacklist::SegmentURLCallback segment_url, 361a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) OverrideBlacklistCallback override_blacklist) 362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : ui_weak_ptr_factory_(this), 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_service_(pref_service), 3645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) background_task_runner_(background_task_runner), 3655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) io_task_runner_(io_task_runner), 3665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) segment_url_(segment_url), 367a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) override_blacklist_(override_blacklist), 368c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) io_weak_ptr_factory_(this), 3695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui_task_runner_(base::MessageLoopProxy::current()), 3705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) blacklist_(new URLBlacklist(segment_url)) { 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_change_registrar_.Init(pref_service_); 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Closure callback = base::Bind(&URLBlacklistManager::ScheduleUpdate, 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(this)); 3745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pref_change_registrar_.Add(policy_prefs::kUrlBlacklist, callback); 3755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pref_change_registrar_.Add(policy_prefs::kUrlWhitelist, callback); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start enforcing the policies without a delay when they are present at 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // startup. 3795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (pref_service_->HasPrefPath(policy_prefs::kUrlBlacklist)) 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Update(); 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklistManager::ShutdownOnUIThread() { 3845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Cancel any pending updates, and stop listening for pref change updates. 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui_weak_ptr_factory_.InvalidateWeakPtrs(); 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pref_change_registrar_.RemoveAll(); 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)URLBlacklistManager::~URLBlacklistManager() { 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklistManager::ScheduleUpdate() { 3945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Cancel pending updates, if any. This can happen if two preferences that 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // change the blacklist are updated in one message loop cycle. In those cases, 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // only rebuild the blacklist after all the preference updates are processed. 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui_weak_ptr_factory_.InvalidateWeakPtrs(); 3995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui_task_runner_->PostTask( 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&URLBlacklistManager::Update, 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui_weak_ptr_factory_.GetWeakPtr())); 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklistManager::Update() { 4065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The preferences can only be read on the UI thread. 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::ListValue> block( 4105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pref_service_->GetList(policy_prefs::kUrlBlacklist)->DeepCopy()); 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::ListValue> allow( 4125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pref_service_->GetList(policy_prefs::kUrlWhitelist)->DeepCopy()); 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Go through the IO thread to grab a WeakPtr to |this|. This is safe from 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // here, since this task will always execute before a potential deletion of 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ProfileIOData on IO. 4175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) io_task_runner_->PostTask(FROM_HERE, 4185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&URLBlacklistManager::UpdateOnIO, 4195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Unretained(this), 4205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Passed(&block), 4215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Passed(&allow))); 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklistManager::UpdateOnIO(scoped_ptr<base::ListValue> block, 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::ListValue> allow) { 4265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(io_task_runner_->RunsTasksOnCurrentThread()); 4275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The URLBlacklist is built on a worker thread. Once it's ready, it is passed 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to the URLBlacklistManager on IO. 4295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::PostTaskAndReplyWithResult( 4305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) background_task_runner_, 4315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&BuildBlacklist, 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Passed(&block), 4345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Passed(&allow), 4355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) segment_url_), 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&URLBlacklistManager::SetBlacklist, 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io_weak_ptr_factory_.GetWeakPtr())); 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void URLBlacklistManager::SetBlacklist(scoped_ptr<URLBlacklist> blacklist) { 4415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(io_task_runner_->RunsTasksOnCurrentThread()); 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) blacklist_ = blacklist.Pass(); 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool URLBlacklistManager::IsURLBlocked(const GURL& url) const { 4465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(io_task_runner_->RunsTasksOnCurrentThread()); 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return blacklist_->IsURLBlocked(url); 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool URLBlacklistManager::IsRequestBlocked( 451c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch const net::URLRequest& request, int* reason) const { 4525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(io_task_runner_->RunsTasksOnCurrentThread()); 4535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if !defined(OS_IOS) 4545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(joaodasilva): iOS doesn't set these flags. http://crbug.com/338283 4552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int filter_flags = net::LOAD_MAIN_FRAME | net::LOAD_SUB_FRAME; 4562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if ((request.load_flags() & filter_flags) == 0) 4572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 4585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 459c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 460a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool block = false; 461c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (override_blacklist_.Run(request.url(), &block, reason)) 462a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return block; 463c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 464c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch *reason = net::ERR_BLOCKED_BY_ADMINISTRATOR; 4652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return IsURLBlocked(request.url()); 4662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 4697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid URLBlacklistManager::RegisterProfilePrefs( 470c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) user_prefs::PrefRegistrySyncable* registry) { 4715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) registry->RegisterListPref(policy_prefs::kUrlBlacklist, 472c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF); 4735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) registry->RegisterListPref(policy_prefs::kUrlWhitelist, 474c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF); 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace policy 478