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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 "content/browser/child_process_security_policy_impl.h" | 5 #include "content/browser/child_process_security_policy_impl.h" |
6 | 6 |
7 #include "base/file_path.h" | 7 #include "base/file_path.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/metrics/histogram.h" | 9 #include "base/metrics/histogram.h" |
10 #include "base/platform_file.h" | 10 #include "base/platform_file.h" |
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139 return request_file_set_.find(path) != request_file_set_.end(); | 139 return request_file_set_.find(path) != request_file_set_.end(); |
140 } | 140 } |
141 | 141 |
142 return false; // Unmentioned schemes are disallowed. | 142 return false; // Unmentioned schemes are disallowed. |
143 } | 143 } |
144 | 144 |
145 // Determine if the certain permissions have been granted to a file. | 145 // Determine if the certain permissions have been granted to a file. |
146 bool HasPermissionsForFile(const FilePath& file, int permissions) { | 146 bool HasPermissionsForFile(const FilePath& file, int permissions) { |
147 FilePath current_path = file.StripTrailingSeparators(); | 147 FilePath current_path = file.StripTrailingSeparators(); |
148 FilePath last_path; | 148 FilePath last_path; |
| 149 int skip = 0; |
149 while (current_path != last_path) { | 150 while (current_path != last_path) { |
150 if (file_permissions_.find(current_path) != file_permissions_.end()) | 151 FilePath base_name = current_path.BaseName(); |
151 return (file_permissions_[current_path] & permissions) == permissions; | 152 if (base_name.value() == FilePath::kParentDirectory) { |
| 153 ++skip; |
| 154 } else if (skip > 0) { |
| 155 if (base_name.value() != FilePath::kCurrentDirectory) |
| 156 --skip; |
| 157 } else { |
| 158 if (file_permissions_.find(current_path) != file_permissions_.end()) |
| 159 return (file_permissions_[current_path] & permissions) == permissions; |
| 160 } |
152 last_path = current_path; | 161 last_path = current_path; |
153 current_path = current_path.DirName(); | 162 current_path = current_path.DirName(); |
154 } | 163 } |
155 | 164 |
156 return false; | 165 return false; |
157 } | 166 } |
158 | 167 |
159 bool CanUseCookiesForOrigin(const GURL& gurl) { | 168 bool CanUseCookiesForOrigin(const GURL& gurl) { |
160 if (origin_lock_.is_empty()) | 169 if (origin_lock_.is_empty()) |
161 return true; | 170 return true; |
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622 int child_id, | 631 int child_id, |
623 const std::string& filesystem_id, | 632 const std::string& filesystem_id, |
624 int permission) { | 633 int permission) { |
625 base::AutoLock lock(lock_); | 634 base::AutoLock lock(lock_); |
626 | 635 |
627 SecurityStateMap::iterator state = security_state_.find(child_id); | 636 SecurityStateMap::iterator state = security_state_.find(child_id); |
628 if (state == security_state_.end()) | 637 if (state == security_state_.end()) |
629 return false; | 638 return false; |
630 return state->second->HasPermissionsForFileSystem(filesystem_id, permission); | 639 return state->second->HasPermissionsForFileSystem(filesystem_id, permission); |
631 } | 640 } |
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