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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_condit
ion.h" | 5 #include "chrome/browser/extensions/api/declarative_webrequest/webrequest_condit
ion.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/stl_util.h" | 9 #include "base/stl_util.h" |
10 #include "base/stringprintf.h" | 10 #include "base/stringprintf.h" |
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52 for (WebRequestConditionAttributes::const_iterator i = | 52 for (WebRequestConditionAttributes::const_iterator i = |
53 condition_attributes_.begin(); i != condition_attributes_.end(); ++i) { | 53 condition_attributes_.begin(); i != condition_attributes_.end(); ++i) { |
54 applicable_request_stages_ &= (*i)->GetStages(); | 54 applicable_request_stages_ &= (*i)->GetStages(); |
55 } | 55 } |
56 } | 56 } |
57 | 57 |
58 WebRequestCondition::~WebRequestCondition() {} | 58 WebRequestCondition::~WebRequestCondition() {} |
59 | 59 |
60 bool WebRequestCondition::IsFulfilled( | 60 bool WebRequestCondition::IsFulfilled( |
61 const std::set<URLMatcherConditionSet::ID>& url_matches, | 61 const std::set<URLMatcherConditionSet::ID>& url_matches, |
62 const WebRequestRule::RequestData& request_data) const { | 62 const DeclarativeWebRequestData& request_data) const { |
63 if (!(request_data.stage & applicable_request_stages_)) { | 63 if (!(request_data.stage & applicable_request_stages_)) { |
64 // A condition that cannot be evaluated is considered as violated. | 64 // A condition that cannot be evaluated is considered as violated. |
65 return false; | 65 return false; |
66 } | 66 } |
67 | 67 |
68 // Check a UrlFilter attribute if present. | 68 // Check a UrlFilter attribute if present. |
69 if (url_matcher_conditions_.get() && | 69 if (url_matcher_conditions_.get() && |
70 !ContainsKey(url_matches, url_matcher_conditions_->id())) | 70 !ContainsKey(url_matches, url_matcher_conditions_->id())) |
71 return false; | 71 return false; |
72 | 72 |
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141 new WebRequestCondition(url_matcher_condition_set, attributes)); | 141 new WebRequestCondition(url_matcher_condition_set, attributes)); |
142 | 142 |
143 if (!result->stages()) { | 143 if (!result->stages()) { |
144 *error = kConditionCannotBeFulfilled; | 144 *error = kConditionCannotBeFulfilled; |
145 return scoped_ptr<WebRequestCondition>(NULL); | 145 return scoped_ptr<WebRequestCondition>(NULL); |
146 } | 146 } |
147 | 147 |
148 return result.Pass(); | 148 return result.Pass(); |
149 } | 149 } |
150 | 150 |
151 // | |
152 // WebRequestConditionSet | |
153 // | |
154 | |
155 WebRequestConditionSet::~WebRequestConditionSet() {} | |
156 | |
157 bool WebRequestConditionSet::IsFulfilled( | |
158 URLMatcherConditionSet::ID url_match_trigger, | |
159 const std::set<URLMatcherConditionSet::ID>& url_matches, | |
160 const WebRequestRule::RequestData& request_data) const { | |
161 if (url_match_trigger == -1) { | |
162 // Invalid trigger -- indication that we should only check conditions | |
163 // without URL attributes. | |
164 for (std::vector<const WebRequestCondition*>::const_iterator it = | |
165 conditions_without_urls_.begin(); | |
166 it != conditions_without_urls_.end(); ++it) { | |
167 if ((*it)->IsFulfilled(url_matches, request_data)) | |
168 return true; | |
169 } | |
170 return false; | |
171 } | |
172 | |
173 URLMatcherIdToCondition::const_iterator triggered = | |
174 match_id_to_condition_.find(url_match_trigger); | |
175 return (triggered != match_id_to_condition_.end() && | |
176 triggered->second->IsFulfilled(url_matches, request_data)); | |
177 } | |
178 | |
179 void WebRequestConditionSet::GetURLMatcherConditionSets( | |
180 URLMatcherConditionSet::Vector* condition_sets) const { | |
181 for (Conditions::const_iterator i = conditions_.begin(); | |
182 i != conditions_.end(); ++i) { | |
183 scoped_refptr<URLMatcherConditionSet> set = | |
184 (*i)->url_matcher_condition_set(); | |
185 if (set.get()) | |
186 condition_sets->push_back(set); | |
187 } | |
188 } | |
189 | |
190 // static | |
191 scoped_ptr<WebRequestConditionSet> WebRequestConditionSet::Create( | |
192 URLMatcherConditionFactory* url_matcher_condition_factory, | |
193 const AnyVector& conditions, | |
194 std::string* error) { | |
195 Conditions result; | |
196 | |
197 for (AnyVector::const_iterator i = conditions.begin(); | |
198 i != conditions.end(); ++i) { | |
199 CHECK(i->get()); | |
200 scoped_ptr<WebRequestCondition> condition = | |
201 WebRequestCondition::Create(url_matcher_condition_factory, | |
202 (*i)->value(), error); | |
203 if (!error->empty()) | |
204 return scoped_ptr<WebRequestConditionSet>(NULL); | |
205 result.push_back(make_linked_ptr(condition.release())); | |
206 } | |
207 | |
208 URLMatcherIdToCondition match_id_to_condition; | |
209 std::vector<const WebRequestCondition*> conditions_without_urls; | |
210 | |
211 for (Conditions::const_iterator i = result.begin(); i != result.end(); ++i) { | |
212 const URLMatcherConditionSet* set = (*i)->url_matcher_condition_set().get(); | |
213 if (set) { | |
214 URLMatcherConditionSet::ID id = set->id(); | |
215 match_id_to_condition[id] = i->get(); | |
216 } else { | |
217 conditions_without_urls.push_back(i->get()); | |
218 } | |
219 } | |
220 | |
221 return make_scoped_ptr(new WebRequestConditionSet( | |
222 result, match_id_to_condition, conditions_without_urls)); | |
223 } | |
224 | |
225 bool WebRequestConditionSet::HasConditionsWithoutUrls() const { | |
226 return !conditions_without_urls_.empty(); | |
227 } | |
228 | |
229 WebRequestConditionSet::WebRequestConditionSet( | |
230 const Conditions& conditions, | |
231 const URLMatcherIdToCondition& match_id_to_condition, | |
232 const std::vector<const WebRequestCondition*>& conditions_without_urls) | |
233 : match_id_to_condition_(match_id_to_condition), | |
234 conditions_(conditions), | |
235 conditions_without_urls_(conditions_without_urls) {} | |
236 | |
237 } // namespace extensions | 151 } // namespace extensions |
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