87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
// Copyright 2014 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "components/nacl/renderer/manifest_downloader.h"
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#include <utility>
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#include "base/functional/callback.h"
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#include "components/nacl/renderer/histogram.h"
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#include "components/nacl/renderer/nexe_load_manager.h"
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#include "net/base/net_errors.h"
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#include "third_party/blink/public/platform/web_url_error.h"
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#include "third_party/blink/public/platform/web_url_response.h"
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#include "third_party/blink/public/web/web_associated_url_loader.h"
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namespace nacl {
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ManifestDownloader::ManifestDownloader(
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std::unique_ptr<blink::WebAssociatedURLLoader> url_loader,
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bool is_installed,
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Callback cb)
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: url_loader_(std::move(url_loader)),
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is_installed_(is_installed),
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cb_(std::move(cb)),
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status_code_(-1),
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pp_nacl_error_(PP_NACL_ERROR_LOAD_SUCCESS) {
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CHECK(!cb_.is_null());
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}
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ManifestDownloader::~ManifestDownloader() { }
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void ManifestDownloader::Load(const blink::WebURLRequest& request) {
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url_loader_->LoadAsynchronously(request, this);
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}
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void ManifestDownloader::DidReceiveResponse(
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const blink::WebURLResponse& response) {
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if (response.HttpStatusCode() != 200)
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pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_LOAD_URL;
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status_code_ = response.HttpStatusCode();
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}
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void ManifestDownloader::DidReceiveData(const char* data, int data_length) {
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if (buffer_.size() + data_length > kNaClManifestMaxFileBytes) {
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pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_TOO_LARGE;
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buffer_.clear();
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}
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if (pp_nacl_error_ == PP_NACL_ERROR_LOAD_SUCCESS)
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buffer_.append(data, data_length);
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}
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void ManifestDownloader::Close() {
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// We log the status code here instead of in didReceiveResponse so that we
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// always log a histogram value, even when we never receive a status code.
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HistogramHTTPStatusCode(
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is_installed_ ? "NaCl.HttpStatusCodeClass.Manifest.InstalledApp" :
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"NaCl.HttpStatusCodeClass.Manifest.NotInstalledApp",
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status_code_);
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std::move(cb_).Run(pp_nacl_error_, buffer_);
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delete this;
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}
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void ManifestDownloader::DidFinishLoading() {
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Close();
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}
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void ManifestDownloader::DidFail(const blink::WebURLError& error) {
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// TODO(teravest): Find a place to share this code with PepperURLLoaderHost.
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pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_LOAD_URL;
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switch (error.reason()) {
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case net::ERR_ACCESS_DENIED:
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case net::ERR_NETWORK_ACCESS_DENIED:
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pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL;
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break;
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}
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if (error.is_web_security_violation())
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pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL;
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Close();
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}
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} // namespace nacl
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