Makes content handlers see requestor url

mojo/shell/application_manager_unittest.cc

 // Copyright 2014 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 "base/at_exit.h"
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/interface_factory.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "mojo/public/interfaces/application/service_provider.mojom.h"
 #include "mojo/shell/application_loader.h"
 #include "mojo/shell/application_manager.h"
+#include "mojo/shell/fetcher.h"
 #include "mojo/shell/test.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace shell {
 namespace {
 
 const char kTestURLString[] = "test:testService";
 const char kTestAURLString[] = "test:TestA";
 const char kTestBURLString[] = "test:TestB";
 
+const char kTestMimeType[] = "test/mime-type";
+
+class TestMimeTypeFetcher : public Fetcher {
+ public:
+  explicit TestMimeTypeFetcher(const FetchCallback& fetch_callback)
+      : Fetcher(fetch_callback), url_("xxx") {
+    loader_callback_.Run(make_scoped_ptr(this));
+  }
+  ~TestMimeTypeFetcher() override {}
+
+  // Fetcher:
+  const GURL& GetURL() const override { return url_; }
+  GURL GetRedirectURL() const override { return GURL("yyy"); }
+  URLResponsePtr AsURLResponse(base::TaskRunner* task_runner,
+                               uint32_t skip) override {
+    return URLResponse::New().Pass();
+  }
+  void AsPath(
+      base::TaskRunner* task_runner,
+      base::Callback<void(const base::FilePath&, bool)> callback) override {}
+  std::string MimeType() override { return kTestMimeType; }
+  bool HasMojoMagic() override { return false; }
+  bool PeekFirstLine(std::string* line) override { return false; }
+
+ private:
+  const GURL url_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestMimeTypeFetcher);
+};
+
 struct TestContext {
   TestContext() : num_impls(0), num_loader_deletes(0) {}
   std::string last_test_string;
   int num_impls;
   int num_loader_deletes;
 };
 
 void QuitClosure(bool* value) {
   *value = true;
   base::MessageLoop::current()->QuitWhenIdle();
@@ skipping 69 matching lines @@
 
   ~TestApplicationLoader() override {
     if (context_)
       ++context_->num_loader_deletes;
     test_app_.reset();
   }
 
   void set_context(TestContext* context) { context_ = context; }
   int num_loads() const { return num_loads_; }
   const std::vector<std::string>& GetArgs() const { return test_app_->args(); }
+  const GURL& last_requestor_url() const { return last_requestor_url_; }
 
  private:
   // ApplicationLoader implementation.
   void Load(const GURL& url,
             InterfaceRequest<Application> application_request) override {
     ++num_loads_;
     test_app_.reset(new ApplicationImpl(this, application_request.Pass()));
   }
 
   // ApplicationDelegate implementation.
   bool ConfigureIncomingConnection(ApplicationConnection* connection) override {
     connection->AddService(this);
+    last_requestor_url_ = GURL(connection->GetRemoteApplicationURL());
     return true;
   }
 
   // InterfaceFactory implementation.
   void Create(ApplicationConnection* connection,
               InterfaceRequest<TestService> request) override {
     new TestServiceImpl(context_, request.Pass());
   }
 
   scoped_ptr<ApplicationImpl> test_app_;
   TestContext* context_;
   int num_loads_;
+  GURL last_requestor_url_;
+
   DISALLOW_COPY_AND_ASSIGN(TestApplicationLoader);
 };
 
 class ClosingApplicationLoader : public ApplicationLoader {
  private:
   // ApplicationLoader implementation.
   void Load(const GURL& url,
             InterfaceRequest<Application> application_request) override {}
 };
 
@@ skipping 234 matching lines @@
   }
 
   TesterContext* context_;
   scoped_ptr<ApplicationImpl> app_;
   std::string requestor_url_;
   ScopedVector<TestAImpl> a_bindings_;
 };
 
 class TestDelegate : public ApplicationManager::Delegate {
  public:
+  TestDelegate() : create_test_fetcher_(false) {}
+  ~TestDelegate() override {}
+
   void AddMapping(const GURL& from, const GURL& to) { mappings_[from] = to; }
 
+  void set_create_test_fetcher(bool create_test_fetcher) {
+    create_test_fetcher_ = create_test_fetcher;
+  }
+
   // ApplicationManager::Delegate
   GURL ResolveMappings(const GURL& url) override {
     auto it = mappings_.find(url);
     if (it != mappings_.end())
       return it->second;
     return url;
   }
   GURL ResolveMojoURL(const GURL& url) override {
     GURL mapped_url = ResolveMappings(url);
     // The shell automatically map mojo URLs.
     if (mapped_url.scheme() == "mojo") {
       url::Replacements<char> replacements;
       replacements.SetScheme("file", url::Component(0, 4));
       mapped_url = mapped_url.ReplaceComponents(replacements);
     }
     return mapped_url;
   }
+  bool CreateFetcher(const GURL& url,
+                     const Fetcher::FetchCallback& loader_callback) override {
+    if (!create_test_fetcher_)
+      return false;
+    new TestMimeTypeFetcher(loader_callback);
+    return true;
+  }
 
  private:
   std::map<GURL, GURL> mappings_;
+  bool create_test_fetcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestDelegate);
 };
 
 class ApplicationManagerTest : public testing::Test {
  public:
   ApplicationManagerTest() : tester_context_(&loop_) {}
 
   ~ApplicationManagerTest() override {}
 
   void SetUp() override {
     application_manager_.reset(new ApplicationManager(&test_delegate_));
@@ skipping 304 matching lines @@
       scoped_ptr<ApplicationLoader>(loader), "test");
 
   bool called = false;
   application_manager_->ConnectToApplication(
       GURL("test:test"), GURL(), nullptr, nullptr,
       base::Bind(&QuitClosure, base::Unretained(&called)));
   loop_.Run();
   EXPECT_TRUE(called);
 }
 
+TEST(ApplicationManagerTest2, ContentHandlerConnectionGetsRequestorURL) {
+  const GURL content_handler_url("http://test.content.handler");
+  const GURL requestor_url("http://requestor.url");
+  TestContext test_context;
+  base::MessageLoop loop;
+  TestDelegate test_delegate;
+  test_delegate.set_create_test_fetcher(true);
+  ApplicationManager application_manager(&test_delegate);
+  application_manager.set_default_loader(nullptr);
+  application_manager.RegisterContentHandler(kTestMimeType,
+                                             content_handler_url);
+
+  TestApplicationLoader* loader = new TestApplicationLoader;
+  loader->set_context(&test_context);
+  application_manager.SetLoaderForURL(scoped_ptr<ApplicationLoader>(loader),
+                                      content_handler_url);
+
+  bool called = false;
+  application_manager.ConnectToApplication(
+      GURL("test:test"), requestor_url, nullptr, nullptr,
+      base::Bind(&QuitClosure, base::Unretained(&called)));
+  loop.Run();
+  EXPECT_TRUE(called);
+
+  ASSERT_EQ(1, loader->num_loads());
+  EXPECT_EQ(requestor_url, loader->last_requestor_url());
+}
+
 }  // namespace
 }  // namespace shell
 }  // namespace mojo