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// Copyright 2020 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/shared_highlighting/core/common/disabled_sites.h"
#include "base/containers/fixed_flat_map.h"
#include "base/feature_list.h"
#include "components/shared_highlighting/core/common/shared_highlighting_features.h"
#include "third_party/re2/src/re2/re2.h"
namespace shared_highlighting {
bool ShouldOfferLinkToText(const GURL& url) {
// If a URL's host matches a key in this map, then the path will be tested
// against the RE stored in the value. For example, {"foo.com", ".*"} means
// any page on the foo.com domain.
static constexpr auto kBlocklist =
base::MakeFixedFlatMap<base::StringPiece, base::StringPiece>(
{{"facebook.com", ".*"},
// TODO(crbug.com/1157981): special case this to cover other Google
// TLDs
{"google.com", "^\\/amp\\/.*"},
{"instagram.com", ".*"},
{"mail.google.com", ".*"},
{"outlook.live.com", ".*"},
{"reddit.com", ".*"},
{"twitter.com", ".*"},
{"web.whatsapp.com", ".*"},
{"youtube.com", ".*"}});
std::string domain = url.host();
if (domain.compare(0, 4, "www.") == 0) {
domain = domain.substr(4);
} else if (domain.compare(0, 2, "m.") == 0) {
domain = domain.substr(2);
} else if (domain.compare(0, 7, "mobile.") == 0) {
domain = domain.substr(7);
}
if (base::FeatureList::IsEnabled(kSharedHighlightingAmp) &&
domain.compare("google.com") == 0) {
return true;
}
auto* it = kBlocklist.find(domain);
if (it != kBlocklist.end()) {
return !re2::RE2::FullMatch(url.path(), it->second.data());
}
return true;
}
} // namespace shared_highlighting
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