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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_
registry.h" | 5 #include "chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_
registry.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <limits> | 8 #include <limits> |
| 9 #include <utility> | 9 #include <utility> |
| 10 | 10 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 | 23 |
| 24 namespace extensions { | 24 namespace extensions { |
| 25 | 25 |
| 26 WebRequestRulesRegistry::WebRequestRulesRegistry(Profile* profile, | 26 WebRequestRulesRegistry::WebRequestRulesRegistry(Profile* profile, |
| 27 Delegate* delegate) | 27 Delegate* delegate) |
| 28 : RulesRegistryWithCache(delegate) { | 28 : RulesRegistryWithCache(delegate) { |
| 29 if (profile) | 29 if (profile) |
| 30 extension_info_map_ = ExtensionSystem::Get(profile)->info_map(); | 30 extension_info_map_ = ExtensionSystem::Get(profile)->info_map(); |
| 31 } | 31 } |
| 32 | 32 |
| 33 std::set<const WebRequestRule*> | 33 std::set<const WebRequestRule*> WebRequestRulesRegistry::GetMatches( |
| 34 WebRequestRulesRegistry::GetMatches( | 34 const WebRequestData& request_data_without_ids) const { |
| 35 const DeclarativeWebRequestData& request_data) { | 35 RuleSet result; |
| 36 typedef std::set<const WebRequestRule*> RuleSet; | |
| 37 typedef std::set<URLMatcherConditionSet::ID> URLMatches; | |
| 38 | 36 |
| 39 RuleSet result; | 37 WebRequestDataWithMatchIds request_data(&request_data_without_ids); |
| 40 URLMatches url_matches = url_matcher_.MatchURL(request_data.request->url()); | 38 request_data.url_match_ids = url_matcher_.MatchURL( |
| 39 request_data.data->request->url()); |
| 40 request_data.first_party_url_match_ids = url_matcher_.MatchURL( |
| 41 request_data.data->request->first_party_for_cookies()); |
| 41 | 42 |
| 42 // 1st phase -- add all rules with some conditions without UrlFilter | 43 // 1st phase -- add all rules with some conditions without UrlFilter |
| 43 // attributes. | 44 // attributes. |
| 44 for (RuleSet::const_iterator it = rules_with_untriggered_conditions_.begin(); | 45 for (RuleSet::const_iterator it = rules_with_untriggered_conditions_.begin(); |
| 45 it != rules_with_untriggered_conditions_.end(); ++it) { | 46 it != rules_with_untriggered_conditions_.end(); ++it) { |
| 46 if ((*it)->conditions().IsFulfilled(-1, url_matches, request_data)) | 47 if ((*it)->conditions().IsFulfilled(-1, request_data)) |
| 47 result.insert(*it); | 48 result.insert(*it); |
| 48 } | 49 } |
| 49 | 50 |
| 50 // 2nd phase -- add all rules with some conditions triggered by URL matches. | 51 // 2nd phase -- add all rules with some conditions triggered by URL matches. |
| 51 for (URLMatches::const_iterator url_match = url_matches.begin(); | 52 AddTriggeredRules(request_data.url_match_ids, request_data, &result); |
| 52 url_match != url_matches.end(); ++url_match) { | 53 AddTriggeredRules(request_data.first_party_url_match_ids, |
| 53 RuleTriggers::const_iterator rule_trigger = rule_triggers_.find(*url_match); | 54 request_data, &result); |
| 54 CHECK(rule_trigger != rule_triggers_.end()); | |
| 55 if (!ContainsKey(result, rule_trigger->second) && | |
| 56 rule_trigger->second->conditions().IsFulfilled(*url_match, url_matches, | |
| 57 request_data)) | |
| 58 result.insert(rule_trigger->second); | |
| 59 } | |
| 60 | 55 |
| 61 return result; | 56 return result; |
| 62 } | 57 } |
| 63 | 58 |
| 64 std::list<LinkedPtrEventResponseDelta> WebRequestRulesRegistry::CreateDeltas( | 59 std::list<LinkedPtrEventResponseDelta> WebRequestRulesRegistry::CreateDeltas( |
| 65 const ExtensionInfoMap* extension_info_map, | 60 const ExtensionInfoMap* extension_info_map, |
| 66 const DeclarativeWebRequestData& request_data, | 61 const WebRequestData& request_data, |
| 67 bool crosses_incognito) { | 62 bool crosses_incognito) { |
| 68 if (webrequest_rules_.empty()) | 63 if (webrequest_rules_.empty()) |
| 69 return std::list<LinkedPtrEventResponseDelta>(); | 64 return std::list<LinkedPtrEventResponseDelta>(); |
| 70 | 65 |
| 71 std::set<const WebRequestRule*> matches = GetMatches(request_data); | 66 std::set<const WebRequestRule*> matches = GetMatches(request_data); |
| 72 | 67 |
| 73 // Sort all matching rules by their priority so that they can be processed | 68 // Sort all matching rules by their priority so that they can be processed |
| 74 // in decreasing order. | 69 // in decreasing order. |
| 75 typedef std::pair<WebRequestRule::Priority, WebRequestRule::GlobalRuleId> | 70 typedef std::pair<WebRequestRule::Priority, WebRequestRule::GlobalRuleId> |
| 76 PriorityRuleIdPair; | 71 PriorityRuleIdPair; |
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| 293 found_matching_condition = true; | 288 found_matching_condition = true; |
| 294 } | 289 } |
| 295 if (!found_matching_condition) { | 290 if (!found_matching_condition) { |
| 296 *error = kActionCannotBeExecuted; | 291 *error = kActionCannotBeExecuted; |
| 297 return false; | 292 return false; |
| 298 } | 293 } |
| 299 } | 294 } |
| 300 return true; | 295 return true; |
| 301 } | 296 } |
| 302 | 297 |
| 298 void WebRequestRulesRegistry::AddTriggeredRules( |
| 299 const URLMatches& url_matches, |
| 300 const WebRequestCondition::MatchData& request_data, |
| 301 RuleSet* result) const { |
| 302 for (URLMatches::const_iterator url_match = url_matches.begin(); |
| 303 url_match != url_matches.end(); ++url_match) { |
| 304 RuleTriggers::const_iterator rule_trigger = rule_triggers_.find(*url_match); |
| 305 CHECK(rule_trigger != rule_triggers_.end()); |
| 306 if (!ContainsKey(*result, rule_trigger->second) && |
| 307 rule_trigger->second->conditions().IsFulfilled(*url_match, |
| 308 request_data)) |
| 309 result->insert(rule_trigger->second); |
| 310 } |
| 311 } |
| 312 |
| 303 } // namespace extensions | 313 } // namespace extensions |
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