Make payment manifest download/parse cross-platform

components/payments/content/android/utility/payment_manifest_parser.cc

Index: components/payments/content/android/utility/payment_manifest_parser.cc
diff --git a/components/payments/content/android/utility/payment_manifest_parser.cc b/components/payments/content/android/utility/payment_manifest_parser.cc
deleted file mode 100644
index 8b2158bd34f008e0b23d2cde0b29189e1ad71516..0000000000000000000000000000000000000000
--- a/components/payments/content/android/utility/payment_manifest_parser.cc
+++ /dev/null
@@ -1,142 +0,0 @@
-// 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/utility/payment_manifest_parser.h"
-
-#include <stddef.h>
-
-#include <memory>
-#include <utility>
-
-#include "base/json/json_reader.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/string_util.h"
-#include "base/values.h"
-#include "components/payments/content/android/utility/fingerprint_parser.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-
-namespace payments {
-
-// static
-void PaymentManifestParser::Create(
-    mojom::PaymentManifestParserRequest request) {
-  mojo::MakeStrongBinding(base::MakeUnique<PaymentManifestParser>(),
-                          std::move(request));
-}
-
-// static
-std::vector<mojom::PaymentManifestSectionPtr>
-PaymentManifestParser::ParseIntoVector(const std::string& input) {
-  std::vector<mojom::PaymentManifestSectionPtr> output;
-  std::unique_ptr<base::Value> value(base::JSONReader::Read(input));
-  if (!value)
-    return output;
-
-  std::unique_ptr<base::DictionaryValue> dict =
-      base::DictionaryValue::From(std::move(value));
-  if (!dict)
-    return output;
-
-  base::ListValue* list = nullptr;
-  if (!dict->GetList("android", &list) || !list)
-    return output;
-
-  size_t sections_size = list->GetSize();
-  const size_t kMaximumNumberOfSections = 100U;
-  if (sections_size > kMaximumNumberOfSections)
-    return output;
-
-  const char* const kVersion = "version";
-  const char* const kFingerprints = "sha256_cert_fingerprints";
-  for (size_t i = 0; i < sections_size; ++i) {
-    base::DictionaryValue* item = nullptr;
-    if (!list->GetDictionary(i, &item) || !item) {
-      output.clear();
-      return output;
-    }
-
-    mojom::PaymentManifestSectionPtr section =
-        mojom::PaymentManifestSection::New();
-    section->version = 0;
-
-    if (!item->GetString("package", &section->package_name) ||
-        section->package_name.empty() ||
-        !base::IsStringASCII(section->package_name)) {
-      output.clear();
-      return output;
-    }
-
-    if (section->package_name == "*") {
-      output.clear();
-      // If there's a section with "package": "*", then it must be the only
-      // section and it should not have "version" or "sha256_cert_fingerprints".
-      // (Any deviations from a correct format cause the full file to be
-      // rejected.)
-      if (!item->HasKey(kVersion) && !item->HasKey(kFingerprints) &&
-          sections_size == 1U) {
-        output.push_back(std::move(section));
-      }
-      return output;
-    }
-
-    if (!item->HasKey(kVersion) || !item->HasKey(kFingerprints)) {
-      output.clear();
-      return output;
-    }
-
-    int version = 0;
-    if (!item->GetInteger(kVersion, &version)) {
-      output.clear();
-      return output;
-    }
-
-    section->version = static_cast<int64_t>(version);
-
-    base::ListValue* fingerprints = nullptr;
-    if (!item->GetList(kFingerprints, &fingerprints) || !fingerprints ||
-        fingerprints->empty()) {
-      output.clear();
-      return output;
-    }
-
-    size_t fingerprints_size = fingerprints->GetSize();
-    const size_t kMaximumNumberOfFingerprints = 100U;
-    if (fingerprints_size > kMaximumNumberOfFingerprints) {
-      output.clear();
-      return output;
-    }
-
-    for (size_t j = 0; j < fingerprints_size; ++j) {
-      std::string fingerprint;
-      if (!fingerprints->GetString(j, &fingerprint) || fingerprint.empty()) {
-        output.clear();
-        return output;
-      }
-
-      std::vector<uint8_t> fingerprint_bytes =
-          FingerprintStringToByteArray(fingerprint);
-      if (32U != fingerprint_bytes.size()) {
-        output.clear();
-        return output;
-      }
-
-      section->sha256_cert_fingerprints.push_back(fingerprint_bytes);
-    }
-
-    output.push_back(std::move(section));
-  }
-
-  return output;
-}
-
-PaymentManifestParser::PaymentManifestParser() {}
-
-PaymentManifestParser::~PaymentManifestParser() {}
-
-void PaymentManifestParser::Parse(const std::string& content,
-                                  const ParseCallback& callback) {
-  callback.Run(ParseIntoVector(content));
-}
-
-}  // namespace payments