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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/password_manager/chrome_password_change_service.h"
#include "base/command_line.h"
#include "base/metrics/histogram_functions.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service_factory.h"
#include "chrome/browser/password_manager/password_change_delegate.h"
#include "chrome/common/chrome_switches.h"
#include "components/affiliations/core/browser/affiliation_service.h"
#include "components/affiliations/core/browser/affiliation_utils.h"
#include "components/password_manager/core/browser/features/password_features.h"
#include "components/password_manager/core/browser/password_feature_manager.h"
#include "content/public/browser/web_contents.h"
#include "url/gurl.h"
#if !BUILDFLAG(IS_ANDROID)
#include "chrome/browser/password_manager/password_change_delegate_impl.h"
#endif // BUILDFLAG(IS_ANDROID)
namespace {
// Returns whether chrome switch for change password URLs is used.
bool HasChangePasswordUrlOverride() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kPasswordChangeUrl);
}
// Return overridden change password URL passed to chrome switch.
GURL GetUrlFromCommandArgs() {
return GURL(base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kPasswordChangeUrl));
}
// Returns whether overridden change password URL matches with `url`.
bool IsUrlMatchingOverride(const GURL& url) {
if (!HasChangePasswordUrlOverride()) {
return false;
}
GURL change_password_url = GetUrlFromCommandArgs();
if (!url.is_valid() || !change_password_url.is_valid()) {
return false;
}
return affiliations::IsExtendedPublicSuffixDomainMatch(
url, change_password_url, {});
}
} // namespace
ChromePasswordChangeService::ChromePasswordChangeService(
affiliations::AffiliationService* affiliation_service,
OptimizationGuideKeyedService* optimization_keyed_service,
std::unique_ptr<password_manager::PasswordFeatureManager> feature_manager)
: affiliation_service_(affiliation_service),
optimization_keyed_service_(optimization_keyed_service),
feature_manager_(std::move(feature_manager)) {}
ChromePasswordChangeService::~ChromePasswordChangeService() {
CHECK(password_change_delegates_.empty());
}
bool ChromePasswordChangeService::IsPasswordChangeAvailable() {
#if BUILDFLAG(IS_ANDROID)
return false;
#else
if (HasChangePasswordUrlOverride()) {
return true;
}
if (!feature_manager_->IsGenerationEnabled()) {
return false;
}
if (!optimization_keyed_service_) {
return false;
}
if (!optimization_keyed_service_->ShouldModelExecutionBeAllowedForUser()) {
return false;
}
return base::FeatureList::IsEnabled(
password_manager::features::kImprovedPasswordChangeService);
#endif // BUILDFLAG(IS_ANDROID)
}
bool ChromePasswordChangeService::IsPasswordChangeSupported(const GURL& url) {
if (!IsPasswordChangeAvailable()) {
return false;
}
if (IsUrlMatchingOverride(url)) {
return true;
}
const bool has_change_url =
affiliation_service_->GetChangePasswordURL(url).is_valid();
base::UmaHistogramBoolean(kHasPasswordChangeUrlHistogram, has_change_url);
return has_change_url;
}
void ChromePasswordChangeService::OfferPasswordChangeUi(
const GURL& url,
const std::u16string& username,
const std::u16string& password,
content::WebContents* web_contents) {
#if !BUILDFLAG(IS_ANDROID)
GURL change_pwd_url = IsUrlMatchingOverride(url)
? GetUrlFromCommandArgs()
: affiliation_service_->GetChangePasswordURL(url);
CHECK(change_pwd_url.is_valid());
std::unique_ptr<PasswordChangeDelegate> delegate =
std::make_unique<PasswordChangeDelegateImpl>(
std::move(change_pwd_url), username, password,
tabs::TabInterface::GetFromContents(web_contents));
delegate->AddObserver(this);
password_change_delegates_.push_back(std::move(delegate));
#else
NOTREACHED();
#endif // BUILDFLAG(IS_ANDROID)
}
PasswordChangeDelegate* ChromePasswordChangeService::GetPasswordChangeDelegate(
content::WebContents* web_contents) {
for (const auto& delegate : password_change_delegates_) {
if (delegate->IsPasswordChangeOngoing(web_contents)) {
return delegate.get();
}
}
return nullptr;
}
void ChromePasswordChangeService::OnPasswordChangeStopped(
PasswordChangeDelegate* delegate) {
delegate->RemoveObserver(this);
auto iter = std::ranges::find(password_change_delegates_, delegate,
&std::unique_ptr<PasswordChangeDelegate>::get);
CHECK(iter != password_change_delegates_.end());
std::unique_ptr<PasswordChangeDelegate> deleted_delegate = std::move(*iter);
password_change_delegates_.erase(iter);
base::SingleThreadTaskRunner::GetCurrentDefault()->DeleteSoon(
FROM_HERE, std::move(deleted_delegate));
}
void ChromePasswordChangeService::Shutdown() {
for (const auto& delegate : password_change_delegates_) {
delegate->RemoveObserver(this);
}
password_change_delegates_.clear();
}
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