[webcrypto] exportKey() now returns dictionary when format='jwk' (CL 2 of 2).

Source/modules/crypto/CryptoResultImpl.cpp

 /*
  * Copyright (C) 2013 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
@@ skipping 97 matching lines @@
         m_promiseResolver->reject(DOMException::create(webCryptoErrorToExceptionCode(errorType), errorDetails));
         delete this;
     }
 
     void completeWithBuffer(const blink::WebArrayBuffer& buffer)
     {
         m_promiseResolver->resolve(PassRefPtr<ArrayBuffer>(buffer));
         delete this;
     }
 
+    void completeWithJson(const char* utf8Data, unsigned length)
+    {
+        ScriptState* scriptState = m_promiseResolver->scriptState();
+        ScriptState::Scope scope(scriptState);
+
+        v8::Handle<v8::String> jsonString = v8::String::NewFromUtf8(scriptState->isolate(), utf8Data, v8::String::kInternalizedString, length);
+
+        v8::TryCatch exceptionCatcher;
+        v8::Handle<v8::Value> jsonDictionary = v8::JSON::Parse(jsonString);
+        if (exceptionCatcher.HasCaught() || jsonDictionary.IsEmpty()) {
+            ASSERT_NOT_REACHED();
+            m_promiseResolver->reject(DOMException::create(OperationError, "Failed inflating JWK JSON to object"));
+        } else {
+            m_promiseResolver->resolve(jsonDictionary);
+        }
+        delete this;
+    }
+
     void completeWithBoolean(bool b)
     {
         m_promiseResolver->resolve(b);
         delete this;
     }
 
     void completeWithKey(const blink::WebCryptoKey& key)
     {
         m_promiseResolver->resolve(Key::create(key));
         delete this;
@@ skipping 57 matching lines @@
     if (m_promiseState)
         m_promiseState->completeWithError(errorType, errorDetails);
 }
 
 void CryptoResultImpl::completeWithBuffer(const blink::WebArrayBuffer& buffer)
 {
     if (m_promiseState)
         m_promiseState->completeWithBuffer(buffer);
 }
 
+void CryptoResultImpl::completeWithJson(const char* utf8Data, unsigned length)
+{
+    if (m_promiseState)
+        m_promiseState->completeWithJson(utf8Data, length);
+}
+
 void CryptoResultImpl::completeWithBoolean(bool b)
 {
     if (m_promiseState)
         m_promiseState->completeWithBoolean(b);
 }
 
 void CryptoResultImpl::completeWithKey(const blink::WebCryptoKey& key)
 {
     if (m_promiseState)
         m_promiseState->completeWithKey(key);
 }
 
 void CryptoResultImpl::completeWithKeyPair(const blink::WebCryptoKey& publicKey, const blink::WebCryptoKey& privateKey)
 {
     if (m_promiseState)
         m_promiseState->completeWithKeyPair(publicKey, privateKey);
 }
 
 CryptoResultImpl::CryptoResultImpl(ScriptState* scriptState)
     : m_promiseState(PromiseState::create(scriptState))
 {
 }
 
 ScriptPromise CryptoResultImpl::promise()
 {
     return m_promiseState->promise();
 }
 
 } // namespace WebCore