[Resource Timing] Gather timing information with reliable responseEnd time
[WebKit-https.git] / Source / WebCore / workers / WorkerScriptLoader.cpp
index 2224d87..62c9470 100644 (file)
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  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- *
  */
 
 #include "config.h"
-
-#if ENABLE(WORKERS)
-
 #include "WorkerScriptLoader.h"
 
-#include "CrossThreadTask.h"
-#include "ResourceRequest.h"
+#include "ContentSecurityPolicy.h"
+#include "ResourceResponse.h"
 #include "ScriptExecutionContext.h"
-#include "SecurityOrigin.h"
-#include "WorkerContext.h"
+#include "TextResourceDecoder.h"
+#include "WorkerGlobalScope.h"
 #include "WorkerScriptLoaderClient.h"
 #include "WorkerThreadableLoader.h"
-#include <wtf/OwnPtr.h>
-#include <wtf/UnusedParam.h>
+#include <wtf/Ref.h>
 
 namespace WebCore {
 
-WorkerScriptLoader::WorkerScriptLoader(ResourceRequestBase::TargetType targetType)
-    : m_client(0)
-    , m_failed(false)
-    , m_identifier(0)
-    , m_targetType(targetType)
+WorkerScriptLoader::WorkerScriptLoader()
+{
+}
+
+WorkerScriptLoader::~WorkerScriptLoader()
 {
 }
 
-void WorkerScriptLoader::loadSynchronously(ScriptExecutionContext* scriptExecutionContext, const KURL& url, CrossOriginRequestPolicy crossOriginRequestPolicy)
+void WorkerScriptLoader::loadSynchronously(ScriptExecutionContext* scriptExecutionContext, const URL& url, FetchOptions::Mode mode, ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement, const String& initiatorIdentifier)
 {
+    ASSERT(scriptExecutionContext);
+
     m_url = url;
 
-    OwnPtr<ResourceRequest> request(createResourceRequest());
+    std::unique_ptr<ResourceRequest> request(createResourceRequest(initiatorIdentifier));
     if (!request)
         return;
 
-    ASSERT(scriptExecutionContext->isWorkerContext());
+    ASSERT_WITH_SECURITY_IMPLICATION(is<WorkerGlobalScope>(scriptExecutionContext));
+
+    // Only used for importScripts that prescribes NoCors mode.
+    ASSERT(mode == FetchOptions::Mode::NoCors);
 
     ThreadableLoaderOptions options;
-    options.allowCredentials = true;
-    options.crossOriginRequestPolicy = crossOriginRequestPolicy;
-    options.sendLoadCallbacks = true;
+    options.credentials = FetchOptions::Credentials::Include;
+    options.mode = mode;
+    options.sendLoadCallbacks = SendCallbacks;
+    options.contentSecurityPolicyEnforcement = contentSecurityPolicyEnforcement;
 
-    WorkerThreadableLoader::loadResourceSynchronously(static_cast<WorkerContext*>(scriptExecutionContext), *request, *this, options);
+    WorkerThreadableLoader::loadResourceSynchronously(downcast<WorkerGlobalScope>(*scriptExecutionContext), WTFMove(*request), *this, options);
 }
-    
-void WorkerScriptLoader::loadAsynchronously(ScriptExecutionContext* scriptExecutionContext, const KURL& url, CrossOriginRequestPolicy crossOriginRequestPolicy, WorkerScriptLoaderClient* client)
+
+void WorkerScriptLoader::loadAsynchronously(ScriptExecutionContext* scriptExecutionContext, const URL& url, FetchOptions::Mode mode, ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement, const String& initiatorIdentifier, WorkerScriptLoaderClient* client)
 {
     ASSERT(client);
+    ASSERT(scriptExecutionContext);
+
     m_client = client;
     m_url = url;
 
-    OwnPtr<ResourceRequest> request(createResourceRequest());
+    std::unique_ptr<ResourceRequest> request(createResourceRequest(initiatorIdentifier));
     if (!request)
         return;
 
-    ThreadableLoaderOptions options;
-    options.allowCredentials = true;
-    options.crossOriginRequestPolicy = crossOriginRequestPolicy;
-    options.sendLoadCallbacks = true;
+    // Only used for loading worker scripts in classic mode.
+    // FIXME: We should add an option to set credential mode.
+    ASSERT(mode == FetchOptions::Mode::SameOrigin);
 
-    m_threadableLoader = ThreadableLoader::create(scriptExecutionContext, this, *request, options);
+    ThreadableLoaderOptions options;
+    options.credentials = FetchOptions::Credentials::SameOrigin;
+    options.mode = mode;
+    options.sendLoadCallbacks = SendCallbacks;
+    options.contentSecurityPolicyEnforcement = contentSecurityPolicyEnforcement;
+
+    // During create, callbacks may happen which remove the last reference to this object.
+    Ref<WorkerScriptLoader> protectedThis(*this);
+    m_threadableLoader = ThreadableLoader::create(*scriptExecutionContext, *this, WTFMove(*request), options);
 }
 
-const KURL& WorkerScriptLoader::responseURL() const
+const URL& WorkerScriptLoader::responseURL() const
 {
     ASSERT(!failed());
     return m_responseURL;
 }
 
-PassOwnPtr<ResourceRequest> WorkerScriptLoader::createResourceRequest()
+std::unique_ptr<ResourceRequest> WorkerScriptLoader::createResourceRequest(const String& initiatorIdentifier)
 {
-    OwnPtr<ResourceRequest> request(new ResourceRequest(m_url));
-    request->setHTTPMethod("GET");
-    request->setTargetType(m_targetType);
-    return request.release();
+    auto request = std::make_unique<ResourceRequest>(m_url);
+    request->setHTTPMethod(ASCIILiteral("GET"));
+    request->setInitiatorIdentifier(initiatorIdentifier);
+    return request;
 }
     
-void WorkerScriptLoader::didReceiveResponse(const ResourceResponse& response)
+void WorkerScriptLoader::didReceiveResponse(unsigned long identifier, const ResourceResponse& response)
 {
     if (response.httpStatusCode() / 100 != 2 && response.httpStatusCode()) {
         m_failed = true;
@@ -110,7 +120,7 @@ void WorkerScriptLoader::didReceiveResponse(const ResourceResponse& response)
     m_responseURL = response.url();
     m_responseEncoding = response.textEncodingName();
     if (m_client)
-        m_client->didReceiveResponse(response);
+        m_client->didReceiveResponse(identifier, response);
 }
 
 void WorkerScriptLoader::didReceiveData(const char* data, int len)
@@ -120,9 +130,9 @@ void WorkerScriptLoader::didReceiveData(const char* data, int len)
 
     if (!m_decoder) {
         if (!m_responseEncoding.isEmpty())
-            m_decoder = TextResourceDecoder::create("text/javascript", m_responseEncoding);
+            m_decoder = TextResourceDecoder::create(ASCIILiteral("text/javascript"), m_responseEncoding);
         else
-            m_decoder = TextResourceDecoder::create("text/javascript", "UTF-8");
+            m_decoder = TextResourceDecoder::create(ASCIILiteral("text/javascript"), "UTF-8");
     }
 
     if (!len)
@@ -131,16 +141,18 @@ void WorkerScriptLoader::didReceiveData(const char* data, int len)
     if (len == -1)
         len = strlen(data);
     
-    m_script += m_decoder->decode(data, len);
+    m_script.append(m_decoder->decode(data, len));
 }
 
 void WorkerScriptLoader::didFinishLoading(unsigned long identifier)
 {
-    if (m_failed)
+    if (m_failed) {
+        notifyError();
         return;
+    }
 
     if (m_decoder)
-        m_script += m_decoder->flush();
+        m_script.append(m_decoder->flush());
 
     m_identifier = identifier;
     notifyFinished();
@@ -151,28 +163,24 @@ void WorkerScriptLoader::didFail(const ResourceError&)
     notifyError();
 }
 
-void WorkerScriptLoader::didFailRedirectCheck()
+void WorkerScriptLoader::notifyError()
 {
-    notifyError();
+    m_failed = true;
+    notifyFinished();
 }
 
-void WorkerScriptLoader::didReceiveAuthenticationCancellation(const ResourceResponse&)
+String WorkerScriptLoader::script()
 {
-    notifyError();
+    return m_script.toString();
 }
 
-void WorkerScriptLoader::notifyError()
-{
-    m_failed = true;
-    notifyFinished();
-}
-    
 void WorkerScriptLoader::notifyFinished()
 {
-    if (m_client)
-        m_client->notifyFinished();
+    if (!m_client || m_finishing)
+        return;
+
+    m_finishing = true;
+    m_client->notifyFinished();
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(WORKERS)