Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(131)

Unified Diff: components/payments/content/android/payment_manifest_downloader.cc

Issue 2645813006: Download web payment manifests. (Closed)
Patch Set: At most INT_MAX sections in manifest and fingperints in section Created 3 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: components/payments/content/android/payment_manifest_downloader.cc
diff --git a/components/payments/content/android/payment_manifest_downloader.cc b/components/payments/content/android/payment_manifest_downloader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..052f32e8f90853c7d99bfe363915888e83aed347
--- /dev/null
+++ b/components/payments/content/android/payment_manifest_downloader.cc
@@ -0,0 +1,120 @@
+// Copyright 2017 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/payments/content/android/payment_manifest_downloader.h"
+
+#include <algorithm>
+#include <unordered_map>
+#include <utility>
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/strings/string_split.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
+#include "components/link_header_util/link_header_util.h"
+#include "net/base/load_flags.h"
+#include "net/http/http_response_headers.h"
+#include "net/http/http_status_code.h"
+#include "net/http/http_util.h"
+#include "net/url_request/url_request_context_getter.h"
+#include "url/url_constants.h"
+
+namespace payments {
+namespace {
+
+bool IsValidManifestUrl(const GURL& url) {
+ return url.is_valid() && url.SchemeIs(url::kHttpsScheme);
+}
+
+} // namespace
+
+PaymentManifestDownloader::PaymentManifestDownloader(
+ const scoped_refptr<net::URLRequestContextGetter>& context,
+ const GURL& method_name,
+ Delegate* delegate)
+ : context_(context),
+ method_name_(method_name),
+ delegate_(delegate),
+ is_downloading_http_link_header_(true) {
+ DCHECK(IsValidManifestUrl(method_name_));
+}
+
+PaymentManifestDownloader::~PaymentManifestDownloader() {}
+
+void PaymentManifestDownloader::Download() {
+ InitiateDownload(method_name_, net::URLFetcher::HEAD);
+}
+
+void PaymentManifestDownloader::InitiateDownload(
+ const GURL& url,
+ net::URLFetcher::RequestType request_type) {
+ if (!IsValidManifestUrl(url)) {
+ delegate_->OnManifestDownloadFailure();
+ return;
+ }
+
+ fetcher_ = net::URLFetcher::Create(0 /* id */, url, request_type, this);
+ data_use_measurement::DataUseUserData::AttachToFetcher(
+ fetcher_.get(), data_use_measurement::DataUseUserData::PAYMENTS);
+ fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
+ net::LOAD_DO_NOT_SAVE_COOKIES);
+ fetcher_->SetStopOnRedirect(true);
+ fetcher_->SetRequestContext(context_.get());
+ fetcher_->Start();
+}
+
+void PaymentManifestDownloader::OnURLFetchComplete(
+ const net::URLFetcher* source) {
+ if (source->GetResponseCode() != net::HTTP_OK) {
+ delegate_->OnManifestDownloadFailure();
+ return;
+ }
+
+ if (is_downloading_http_link_header_) {
+ is_downloading_http_link_header_ = false;
+
+ net::HttpResponseHeaders* headers = source->GetResponseHeaders();
+ if (!headers) {
+ delegate_->OnManifestDownloadFailure();
+ return;
+ }
+
+ std::string link_header;
+ headers->GetNormalizedHeader("link", &link_header);
+ if (!link_header.empty()) {
+ std::string manifest_url;
+ std::unordered_map<std::string, base::Optional<std::string>> params;
+ for (const auto& value : link_header_util::SplitLinkHeader(link_header)) {
+ if (!link_header_util::ParseLinkHeaderValue(value.first, value.second,
+ &manifest_url, &params)) {
+ continue;
+ }
+
+ auto rel = params.find("rel");
+ if (rel == params.end())
+ continue;
+
+ std::vector<std::string> rel_parts =
+ base::SplitString(rel->second.value_or(""), HTTP_LWS,
+ base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
+ if (std::find(rel_parts.begin(), rel_parts.end(),
+ "payment-method-manifest") != rel_parts.end()) {
+ InitiateDownload(method_name_.Resolve(manifest_url),
+ net::URLFetcher::GET);
+ return;
+ }
+ }
+ }
+ } else {
+ std::string content;
+ if (source->GetResponseAsString(&content) && !content.empty()) {
+ delegate_->OnManifestDownloadSuccess(content);
+ return;
+ }
+ }
+
+ delegate_->OnManifestDownloadFailure();
+}
+
+} // namespace payments

Powered by Google App Engine
This is Rietveld 408576698