| // 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 "components/nacl/renderer/manifest_downloader.h" |
| |
| #include <utility> |
| |
| #include "base/callback.h" |
| #include "components/nacl/renderer/histogram.h" |
| #include "components/nacl/renderer/nexe_load_manager.h" |
| #include "net/base/net_errors.h" |
| #include "third_party/blink/public/platform/web_url_error.h" |
| #include "third_party/blink/public/platform/web_url_loader.h" |
| #include "third_party/blink/public/platform/web_url_response.h" |
| #include "third_party/blink/public/web/web_associated_url_loader.h" |
| |
| namespace nacl { |
| |
| ManifestDownloader::ManifestDownloader( |
| std::unique_ptr<blink::WebAssociatedURLLoader> url_loader, |
| bool is_installed, |
| Callback cb) |
| : url_loader_(std::move(url_loader)), |
| is_installed_(is_installed), |
| cb_(cb), |
| status_code_(-1), |
| pp_nacl_error_(PP_NACL_ERROR_LOAD_SUCCESS) { |
| CHECK(!cb.is_null()); |
| } |
| |
| ManifestDownloader::~ManifestDownloader() { } |
| |
| void ManifestDownloader::Load(const blink::WebURLRequest& request) { |
| url_loader_->LoadAsynchronously(request, this); |
| } |
| |
| void ManifestDownloader::DidReceiveResponse( |
| const blink::WebURLResponse& response) { |
| if (response.HttpStatusCode() != 200) |
| pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_LOAD_URL; |
| status_code_ = response.HttpStatusCode(); |
| } |
| |
| void ManifestDownloader::DidReceiveData(const char* data, int data_length) { |
| if (buffer_.size() + data_length > kNaClManifestMaxFileBytes) { |
| pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_TOO_LARGE; |
| buffer_.clear(); |
| } |
| |
| if (pp_nacl_error_ == PP_NACL_ERROR_LOAD_SUCCESS) |
| buffer_.append(data, data_length); |
| } |
| |
| void ManifestDownloader::Close() { |
| // We log the status code here instead of in didReceiveResponse so that we |
| // always log a histogram value, even when we never receive a status code. |
| HistogramHTTPStatusCode( |
| is_installed_ ? "NaCl.HttpStatusCodeClass.Manifest.InstalledApp" : |
| "NaCl.HttpStatusCodeClass.Manifest.NotInstalledApp", |
| status_code_); |
| |
| cb_.Run(pp_nacl_error_, buffer_); |
| delete this; |
| } |
| |
| void ManifestDownloader::DidFinishLoading() { |
| Close(); |
| } |
| |
| void ManifestDownloader::DidFail(const blink::WebURLError& error) { |
| // TODO(teravest): Find a place to share this code with PepperURLLoaderHost. |
| pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_LOAD_URL; |
| switch (error.reason()) { |
| case net::ERR_ACCESS_DENIED: |
| case net::ERR_NETWORK_ACCESS_DENIED: |
| pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL; |
| break; |
| } |
| |
| if (error.is_web_security_violation()) |
| pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL; |
| |
| Close(); |
| } |
| |
| } // namespace nacl |