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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/common/extensions/matcher/url_matcher_factory.h" | 5 #include "chrome/common/extensions/matcher/url_matcher_factory.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/stringprintf.h" | 9 #include "base/stringprintf.h" |
10 #include "base/values.h" | 10 #include "base/values.h" |
11 #include "chrome/common/extensions/extension_error_utils.h" | |
12 #include "chrome/common/extensions/matcher/url_matcher_constants.h" | 11 #include "chrome/common/extensions/matcher/url_matcher_constants.h" |
13 #include "chrome/common/extensions/matcher/url_matcher_helpers.h" | 12 #include "chrome/common/extensions/matcher/url_matcher_helpers.h" |
| 13 #include "extensions/common/error_utils.h" |
14 #include "third_party/re2/re2/re2.h" | 14 #include "third_party/re2/re2/re2.h" |
15 | 15 |
16 namespace helpers = extensions::url_matcher_helpers; | 16 namespace helpers = extensions::url_matcher_helpers; |
17 namespace keys = extensions::url_matcher_constants; | 17 namespace keys = extensions::url_matcher_constants; |
18 | 18 |
19 namespace { | 19 namespace { |
20 // Error messages: | 20 // Error messages: |
21 const char kInvalidPortRanges[] = "Invalid port ranges in UrlFilter."; | 21 const char kInvalidPortRanges[] = "Invalid port ranges in UrlFilter."; |
22 const char kVectorOfStringsExpected[] = | 22 const char kVectorOfStringsExpected[] = |
23 "UrlFilter attribute '*' expected a vector of strings as parameter."; | 23 "UrlFilter attribute '*' expected a vector of strings as parameter."; |
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127 if (!error->empty()) | 127 if (!error->empty()) |
128 return scoped_refptr<URLMatcherConditionSet>(NULL); | 128 return scoped_refptr<URLMatcherConditionSet>(NULL); |
129 } else if (condition_attribute_name == keys::kPortsKey) { | 129 } else if (condition_attribute_name == keys::kPortsKey) { |
130 // Handle ports. | 130 // Handle ports. |
131 url_matcher_port_filter = CreateURLMatcherPorts( | 131 url_matcher_port_filter = CreateURLMatcherPorts( |
132 &condition_attribute_value, error); | 132 &condition_attribute_value, error); |
133 if (!error->empty()) | 133 if (!error->empty()) |
134 return scoped_refptr<URLMatcherConditionSet>(NULL); | 134 return scoped_refptr<URLMatcherConditionSet>(NULL); |
135 } else { | 135 } else { |
136 // Handle unknown attributes. | 136 // Handle unknown attributes. |
137 *error = ExtensionErrorUtils::FormatErrorMessage( | 137 *error = ErrorUtils::FormatErrorMessage( |
138 kUnknownURLFilterAttribute, | 138 kUnknownURLFilterAttribute, |
139 condition_attribute_name); | 139 condition_attribute_name); |
140 return scoped_refptr<URLMatcherConditionSet>(NULL); | 140 return scoped_refptr<URLMatcherConditionSet>(NULL); |
141 } | 141 } |
142 } | 142 } |
143 | 143 |
144 // As the URL is the preliminary matching criterion that triggers the tests | 144 // As the URL is the preliminary matching criterion that triggers the tests |
145 // for the remaining condition attributes, we insert an empty URL match if | 145 // for the remaining condition attributes, we insert an empty URL match if |
146 // no other url match conditions were specified. Such an empty URL is always | 146 // no other url match conditions were specified. Such an empty URL is always |
147 // matched. | 147 // matched. |
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164 } | 164 } |
165 | 165 |
166 // static | 166 // static |
167 URLMatcherCondition URLMatcherFactory::CreateURLMatcherCondition( | 167 URLMatcherCondition URLMatcherFactory::CreateURLMatcherCondition( |
168 URLMatcherConditionFactory* url_matcher_condition_factory, | 168 URLMatcherConditionFactory* url_matcher_condition_factory, |
169 const std::string& condition_attribute_name, | 169 const std::string& condition_attribute_name, |
170 const base::Value* value, | 170 const base::Value* value, |
171 std::string* error) { | 171 std::string* error) { |
172 std::string str_value; | 172 std::string str_value; |
173 if (!value->GetAsString(&str_value)) { | 173 if (!value->GetAsString(&str_value)) { |
174 *error = ExtensionErrorUtils::FormatErrorMessage(kAttributeExpectedString, | 174 *error = ErrorUtils::FormatErrorMessage(kAttributeExpectedString, |
175 condition_attribute_name); | 175 condition_attribute_name); |
176 return URLMatcherCondition(); | 176 return URLMatcherCondition(); |
177 } | 177 } |
178 // Test regular expressions for validity. | 178 // Test regular expressions for validity. |
179 if (condition_attribute_name == keys::kURLMatchesKey) { | 179 if (condition_attribute_name == keys::kURLMatchesKey) { |
180 re2::RE2 regex(str_value); | 180 re2::RE2 regex(str_value); |
181 if (!regex.ok()) { | 181 if (!regex.ok()) { |
182 *error = ExtensionErrorUtils::FormatErrorMessage(kUnparseableRegexString, | 182 *error = ErrorUtils::FormatErrorMessage(kUnparseableRegexString, |
183 str_value, | 183 str_value, |
184 regex.error()); | 184 regex.error()); |
185 return URLMatcherCondition(); | 185 return URLMatcherCondition(); |
186 } | 186 } |
187 } | 187 } |
188 return g_url_matcher_condition_factory_methods.Get().Call( | 188 return g_url_matcher_condition_factory_methods.Get().Call( |
189 url_matcher_condition_factory, condition_attribute_name, str_value); | 189 url_matcher_condition_factory, condition_attribute_name, str_value); |
190 } | 190 } |
191 | 191 |
192 // static | 192 // static |
193 scoped_ptr<URLMatcherSchemeFilter> URLMatcherFactory::CreateURLMatcherScheme( | 193 scoped_ptr<URLMatcherSchemeFilter> URLMatcherFactory::CreateURLMatcherScheme( |
194 const base::Value* value, | 194 const base::Value* value, |
195 std::string* error) { | 195 std::string* error) { |
196 std::vector<std::string> schemas; | 196 std::vector<std::string> schemas; |
197 if (!helpers::GetAsStringVector(value, &schemas)) { | 197 if (!helpers::GetAsStringVector(value, &schemas)) { |
198 *error = ExtensionErrorUtils::FormatErrorMessage(kVectorOfStringsExpected, | 198 *error = ErrorUtils::FormatErrorMessage(kVectorOfStringsExpected, |
199 keys::kSchemesKey); | 199 keys::kSchemesKey); |
200 return scoped_ptr<URLMatcherSchemeFilter>(NULL); | 200 return scoped_ptr<URLMatcherSchemeFilter>(NULL); |
201 } | 201 } |
202 return scoped_ptr<URLMatcherSchemeFilter>( | 202 return scoped_ptr<URLMatcherSchemeFilter>( |
203 new URLMatcherSchemeFilter(schemas)); | 203 new URLMatcherSchemeFilter(schemas)); |
204 } | 204 } |
205 | 205 |
206 // static | 206 // static |
207 scoped_ptr<URLMatcherPortFilter> URLMatcherFactory::CreateURLMatcherPorts( | 207 scoped_ptr<URLMatcherPortFilter> URLMatcherFactory::CreateURLMatcherPorts( |
208 const base::Value* value, | 208 const base::Value* value, |
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233 } else { | 233 } else { |
234 *error = kInvalidPortRanges; | 234 *error = kInvalidPortRanges; |
235 return scoped_ptr<URLMatcherPortFilter>(NULL); | 235 return scoped_ptr<URLMatcherPortFilter>(NULL); |
236 } | 236 } |
237 } | 237 } |
238 | 238 |
239 return scoped_ptr<URLMatcherPortFilter>(new URLMatcherPortFilter(ranges)); | 239 return scoped_ptr<URLMatcherPortFilter>(new URLMatcherPortFilter(ranges)); |
240 } | 240 } |
241 | 241 |
242 } // namespace extensions | 242 } // namespace extensions |
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