Index: third_party/WebKit/Source/platform/UUID.cpp |
diff --git a/third_party/WebKit/Source/platform/UUID.cpp b/third_party/WebKit/Source/platform/UUID.cpp |
index 2fdb019c3d87165e77f5077a00b6b7dfd7c0d0e9..a9981690ecccb732f4ae980a8403cd7b893f33b2 100644 |
--- a/third_party/WebKit/Source/platform/UUID.cpp |
+++ b/third_party/WebKit/Source/platform/UUID.cpp |
@@ -1,85 +1,26 @@ |
-/* |
-* Copyright (C) 2010 Google Inc. All rights reserved. |
-* |
-* Redistribution and use in source and binary forms, with or without |
-* modification, are permitted provided that the following conditions are |
-* met: |
-* |
-* * Redistributions of source code must retain the above copyright |
-* notice, this list of conditions and the following disclaimer. |
- * * Redistributions in binary form must reproduce the above |
- * copyright notice, this list of conditions and the following disclaimer |
- * in the documentation and/or other materials provided with the |
- * distribution. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
#include "platform/UUID.h" |
-#include "wtf/CryptographicallyRandomNumber.h" |
-#include "wtf/HexNumber.h" |
-#include "wtf/text/StringBuilder.h" |
+#include "base/guid.h" |
+#include "wtf/text/StringUTF8Adaptor.h" |
namespace blink { |
String createCanonicalUUIDString() |
{ |
- unsigned randomData[4]; |
- cryptographicallyRandomValues(reinterpret_cast<unsigned char*>(randomData), sizeof(randomData)); |
- |
- // Format as Version 4 UUID. |
- StringBuilder builder; |
- builder.reserveCapacity(36); |
- appendUnsignedAsHexFixedSize(randomData[0], builder, 8, Lowercase); |
- builder.append('-'); |
- appendUnsignedAsHexFixedSize(randomData[1] >> 16, builder, 4, Lowercase); |
- builder.appendLiteral("-4"); |
- appendUnsignedAsHexFixedSize(randomData[1] & 0x00000fff, builder, 3, Lowercase); |
- builder.append('-'); |
- appendUnsignedAsHexFixedSize((randomData[2] >> 30) | 0x8, builder, 1, Lowercase); |
- appendUnsignedAsHexFixedSize((randomData[2] >> 16) & 0x00000fff, builder, 3, Lowercase); |
- builder.append('-'); |
- appendUnsignedAsHexFixedSize(randomData[2] & 0x0000ffff, builder, 4, Lowercase); |
- appendUnsignedAsHexFixedSize(randomData[3], builder, 8, Lowercase); |
- return builder.toString(); |
-} |
- |
-static bool isLowercaseHex(char c) |
-{ |
- return (('0' <= c && c <= '9') || ('a' <= c && c <= 'f')); |
+ std::string uuid = base::GenerateGUID(); |
+ return String::fromUTF8(uuid.data(), uuid.length()); |
} |
bool isValidUUID(const String& uuid) |
{ |
- // 32 digits + 4 hyphens = 36 characters. |
- if (uuid.length() != 36) |
- return false; |
- |
- for (size_t i = 0; i < uuid.length(); i++) { |
- if (i == 8 || i == 13 || i == 18 || i == 23) { |
- if (uuid[i] != '-') |
- return false; |
- } else { |
- if (!isLowercaseHex(uuid[i])) |
- return false; |
- } |
- } |
- |
- return true; |
+ // In most (if not all) cases the given uuid should be utf-8, so this |
+ // conversion should be almost no-op. |
+ StringUTF8Adaptor utf8(uuid); |
+ return base::IsValidGUIDOutputString(utf8.asStringPiece()); |
esprehn
2016/04/27 09:00:59
Can this take a StringPiece so we can avoid the co
kinuko
2016/04/27 09:21:19
It does now =)
|
} |
} // namespace blink |