1 files changed, 57 insertions, 0 deletions
diff --git a/Source/WebCore/page/Base64Utilities.cpp b/Source/WebCore/page/Base64Utilities.cpp
new file mode 100644
index 000000000..244a1f143
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+++ b/Source/WebCore/page/Base64Utilities.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#include "config.h"
+#include "Base64Utilities.h"
+
+#include "ExceptionCode.h"
+#include <wtf/text/Base64.h>
+
+namespace WebCore {
+
+ExceptionOr<String> Base64Utilities::btoa(const String& stringToEncode)
+{
+    if (stringToEncode.isNull())
+        return String();
+
+    if (!stringToEncode.containsOnlyLatin1())
+        return Exception { INVALID_CHARACTER_ERR };
+
+    return base64Encode(stringToEncode.latin1());
+}
+
+ExceptionOr<String> Base64Utilities::atob(const String& encodedString)
+{
+    if (encodedString.isNull())
+        return String();
+
+    Vector<char> out;
+    if (!base64Decode(encodedString, out, Base64ValidatePadding | Base64IgnoreSpacesAndNewLines))
+        return Exception { INVALID_CHARACTER_ERR };
+
+    return String(out.data(), out.size());
+}
+
+}