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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/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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| 389 return; // The scheme has already been whitelisted for every child process. | 389 return; // The scheme has already been whitelisted for every child process. |
| 390 | 390 |
| 391 if (IsPseudoScheme(url.scheme())) { | 391 if (IsPseudoScheme(url.scheme())) { |
| 392 // The view-source scheme is a special case of a pseudo-URL that eventually | 392 // The view-source scheme is a special case of a pseudo-URL that eventually |
| 393 // results in requesting its embedded URL. | 393 // results in requesting its embedded URL. |
| 394 if (url.SchemeIs(kViewSourceScheme)) { | 394 if (url.SchemeIs(kViewSourceScheme)) { |
| 395 // URLs with the view-source scheme typically look like: | 395 // URLs with the view-source scheme typically look like: |
| 396 // view-source:http://www.google.com/a | 396 // view-source:http://www.google.com/a |
| 397 // In order to request these URLs, the child_id needs to be able to | 397 // In order to request these URLs, the child_id needs to be able to |
| 398 // request the embedded URL. | 398 // request the embedded URL. |
| 399 GrantRequestURL(child_id, GURL(url.path())); | 399 GrantRequestURL(child_id, GURL(url.GetContent())); |
| 400 } | 400 } |
| 401 | 401 |
| 402 return; // Can't grant the capability to request pseudo schemes. | 402 return; // Can't grant the capability to request pseudo schemes. |
| 403 } | 403 } |
| 404 | 404 |
| 405 { | 405 { |
| 406 base::AutoLock lock(lock_); | 406 base::AutoLock lock(lock_); |
| 407 SecurityStateMap::iterator state = security_state_.find(child_id); | 407 SecurityStateMap::iterator state = security_state_.find(child_id); |
| 408 if (state == security_state_.end()) | 408 if (state == security_state_.end()) |
| 409 return; | 409 return; |
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| 579 | 579 |
| 580 if (IsWebSafeScheme(url.scheme())) | 580 if (IsWebSafeScheme(url.scheme())) |
| 581 return true; // The scheme has been white-listed for every child process. | 581 return true; // The scheme has been white-listed for every child process. |
| 582 | 582 |
| 583 if (IsPseudoScheme(url.scheme())) { | 583 if (IsPseudoScheme(url.scheme())) { |
| 584 // There are a number of special cases for pseudo schemes. | 584 // There are a number of special cases for pseudo schemes. |
| 585 | 585 |
| 586 if (url.SchemeIs(kViewSourceScheme)) { | 586 if (url.SchemeIs(kViewSourceScheme)) { |
| 587 // A view-source URL is allowed if the child process is permitted to | 587 // A view-source URL is allowed if the child process is permitted to |
| 588 // request the embedded URL. Careful to avoid pointless recursion. | 588 // request the embedded URL. Careful to avoid pointless recursion. |
| 589 GURL child_url(url.path()); | 589 GURL child_url(url.GetContent()); |
| 590 if (child_url.SchemeIs(kViewSourceScheme) && | 590 if (child_url.SchemeIs(kViewSourceScheme) && |
| 591 url.SchemeIs(kViewSourceScheme)) | 591 url.SchemeIs(kViewSourceScheme)) |
| 592 return false; | 592 return false; |
| 593 | 593 |
| 594 return CanRequestURL(child_id, child_url); | 594 return CanRequestURL(child_id, child_url); |
| 595 } | 595 } |
| 596 | 596 |
| 597 if (LowerCaseEqualsASCII(url.spec(), kAboutBlankURL)) | 597 if (LowerCaseEqualsASCII(url.spec(), kAboutBlankURL)) |
| 598 return true; // Every child process can request <about:blank>. | 598 return true; // Every child process can request <about:blank>. |
| 599 | 599 |
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| 867 base::AutoLock lock(lock_); | 867 base::AutoLock lock(lock_); |
| 868 | 868 |
| 869 SecurityStateMap::iterator state = security_state_.find(child_id); | 869 SecurityStateMap::iterator state = security_state_.find(child_id); |
| 870 if (state == security_state_.end()) | 870 if (state == security_state_.end()) |
| 871 return false; | 871 return false; |
| 872 | 872 |
| 873 return state->second->can_send_midi_sysex(); | 873 return state->second->can_send_midi_sysex(); |
| 874 } | 874 } |
| 875 | 875 |
| 876 } // namespace content | 876 } // namespace content |
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