ServiceWorker: Route unregister() through WebServiceWorkerRegistration for refactoring (2)

content/browser/service_worker/service_worker_dispatcher_host.cc

 // Copyright 2013 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 "content/browser/service_worker/service_worker_dispatcher_host.h"
 
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 150 matching lines @@
 }
 
 bool ServiceWorkerDispatcherHost::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ServiceWorkerDispatcherHost, message)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_RegisterServiceWorker,
                         OnRegisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UpdateServiceWorker,
                         OnUpdateServiceWorker)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_DeprecatedUnregisterServiceWorker,
+                        OnDeprecatedUnregisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UnregisterServiceWorker,
                         OnUnregisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistration,
                         OnGetRegistration)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrations,
                         OnGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrationForReady,
                         OnGetRegistrationForReady)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
@@ skipping 236 matching lines @@
     // Abort the following steps according to the spec.
     return;
   }
 
   // The spec says, "update() pings the server for an updated version of this
   // script without consulting caches", so set |force_bypass_cache| to true.
   GetContext()->UpdateServiceWorker(registration,
                                     true /* force_bypass_cache */);
 }
 
-void ServiceWorkerDispatcherHost::OnUnregisterServiceWorker(
+void ServiceWorkerDispatcherHost::OnDeprecatedUnregisterServiceWorker(
     int thread_id,
     int request_id,
     int provider_id,
     const GURL& pattern) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerDispatcherHost::OnUnregisterServiceWorker");
   if (!GetContext()) {
     Send(new ServiceWorkerMsg_ServiceWorkerUnregistrationError(
         thread_id,
         request_id,
@@ skipping 53 matching lines @@
       request_id,
       "Pattern", pattern.spec());
   GetContext()->UnregisterServiceWorker(
       pattern,
       base::Bind(&ServiceWorkerDispatcherHost::UnregistrationComplete,
                  this,
                  thread_id,
                  request_id));
 }
 
+void ServiceWorkerDispatcherHost::OnUnregisterServiceWorker(
+    int thread_id,
+    int request_id,
+    int provider_id,
+    int64 registration_id) {
+  TRACE_EVENT0("ServiceWorker",
+               "ServiceWorkerDispatcherHost::OnUnregisterServiceWorker");
+  if (!GetContext()) {
+    Send(new ServiceWorkerMsg_ServiceWorkerUnregistrationError(
+        thread_id, request_id, blink::WebServiceWorkerError::ErrorTypeAbort,
+        base::ASCIIToUTF16(kShutdownErrorMessage)));
+    return;
+  }
+
+  ServiceWorkerProviderHost* provider_host =
+      GetContext()->GetProviderHost(render_process_id_, provider_id);
+  if (!provider_host) {
+    bad_message::ReceivedBadMessage(this, bad_message::SWDH_UNREGISTER_NO_HOST);
+    return;
+  }
+  if (!provider_host->IsContextAlive()) {
+    Send(new ServiceWorkerMsg_ServiceWorkerUnregistrationError(
+        thread_id, request_id, blink::WebServiceWorkerError::ErrorTypeAbort,
+        base::ASCIIToUTF16(kShutdownErrorMessage)));
+    return;
+  }
+
+  // TODO(ksakamoto): This check can be removed once crbug.com/439697 is fixed.
+  if (provider_host->document_url().is_empty()) {
+    Send(new ServiceWorkerMsg_ServiceWorkerUnregistrationError(
+        thread_id, request_id, WebServiceWorkerError::ErrorTypeSecurity,
+        base::ASCIIToUTF16(kNoDocumentURLErrorMessage)));
+    return;
+  }
+
+  ServiceWorkerRegistration* registration =
+      GetContext()->GetLiveRegistration(registration_id);
+  if (!registration) {
+    // |registration| must be alive because a renderer retains a registration
+    // reference at this point.
+    bad_message::ReceivedBadMessage(
+        this, bad_message::SWDH_UNREGISTER_BAD_REGISTRATION_ID);
+    return;
+  }
+
+  if (!CanUnregisterServiceWorker(provider_host->document_url(),
+                                  registration->pattern())) {
+    bad_message::ReceivedBadMessage(this, bad_message::SWDH_UNREGISTER_CANNOT);
+    return;
+  }
+
+  if (!GetContentClient()->browser()->AllowServiceWorker(
+          registration->pattern(), provider_host->topmost_frame_url(),
+          resource_context_, render_process_id_, provider_host->frame_id())) {
+    Send(new ServiceWorkerMsg_ServiceWorkerUnregistrationError(
+        thread_id, request_id, WebServiceWorkerError::ErrorTypeUnknown,
+        base::ASCIIToUTF16(kUserDeniedPermissionMessage)));
+    return;
+  }
+
+  TRACE_EVENT_ASYNC_BEGIN1(
+      "ServiceWorker", "ServiceWorkerDispatcherHost::UnregisterServiceWorker",
+      request_id, "Pattern", registration->pattern().spec());
+  GetContext()->UnregisterServiceWorker(
+      registration->pattern(),
+      base::Bind(&ServiceWorkerDispatcherHost::UnregistrationComplete, this,
+                 thread_id, request_id));
+}
+
 void ServiceWorkerDispatcherHost::OnGetRegistration(
     int thread_id,
     int request_id,
     int provider_id,
     const GURL& document_url) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerDispatcherHost::OnGetRegistration");
 
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
@@ skipping 725 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content