| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: jefftk@google.com (Jeff Kaufman) |
| |
| #ifndef NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_ |
| #define NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_ |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/manually_ref_counted.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/util/re2.h" |
| |
| namespace net_instaweb { |
| |
| // Class for storing information about what filesystem paths are appropriate for |
| // direct access and which need to be fetched through HTTP loopback. |
| class FileLoadRule : public ManuallyRefCounted { |
| public: |
| enum Classification { |
| kAllowed, |
| kDisallowed, |
| kUnmatched, |
| }; |
| |
| virtual ~FileLoadRule(); |
| explicit FileLoadRule(bool allowed) : allowed_(allowed) {} |
| |
| // What does this rule say about this filename? |
| Classification Classify(const GoogleString& filename) const; |
| |
| protected: |
| // Is does this rule apply to this filename? |
| virtual bool Match(const GoogleString& filename) const = 0; |
| const bool allowed_; |
| }; |
| |
| class FileLoadRuleRegexp : public FileLoadRule { |
| public: |
| virtual ~FileLoadRuleRegexp(); |
| |
| // If allowed is true, whitelist filenames matching filename_regexp. |
| // Otherwise blacklist them. |
| FileLoadRuleRegexp(const GoogleString& filename_regexp, bool allowed) |
| : FileLoadRule(allowed), |
| filename_regexp_(filename_regexp), |
| filename_regexp_str_(filename_regexp) |
| {} |
| |
| virtual bool Match(const GoogleString& filename) const; |
| |
| private: |
| const RE2 filename_regexp_; |
| // RE2s can't be copied, so we need to keep the string around. |
| const GoogleString filename_regexp_str_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FileLoadRuleRegexp); |
| }; |
| |
| class FileLoadRuleLiteral : public FileLoadRule { |
| public: |
| virtual ~FileLoadRuleLiteral(); |
| |
| // If allowed is true, whitelist filenames starting with filename_prefix. |
| // Otherwise blacklist them. |
| FileLoadRuleLiteral(const GoogleString& filename_prefix, bool allowed) |
| : FileLoadRule(allowed), filename_prefix_(filename_prefix) |
| {} |
| |
| virtual bool Match(const GoogleString& filename) const; |
| |
| private: |
| const GoogleString filename_prefix_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FileLoadRuleLiteral); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // NET_INSTAWEB_REWRITER_PUBLIC_FILE_LOAD_RULE_H_ |