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content / browser / webid / federated_auth_user_info_request.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/webid/federated_auth_user_info_request.h"
#include "base/functional/callback.h"
#include "base/metrics/histogram_functions.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/webid/federated_auth_request_page_data.h"
#include "content/browser/webid/flags.h"
#include "content/browser/webid/webid_utils.h"
#include "content/public/browser/federated_identity_api_permission_context_delegate.h"
#include "content/public/browser/federated_identity_permission_context_delegate.h"
#include "content/public/browser/render_frame_host.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "third_party/blink/public/mojom/webid/federated_auth_request.mojom.h"
#include "url/url_constants.h"
namespace content {
namespace {
std::string GetConsoleErrorMessage(FederatedAuthUserInfoRequestResult error) {
switch (error) {
case FederatedAuthUserInfoRequestResult::kNotSameOrigin: {
return "getUserInfo() caller is not same origin as the config URL.";
}
case FederatedAuthUserInfoRequestResult::kNotIframe: {
return "getUserInfo() caller is not an iframe.";
}
case FederatedAuthUserInfoRequestResult::kNotPotentiallyTrustworthy: {
return "getUserInfo() failed because the config URL is not potentially "
"trustworthy.";
}
case FederatedAuthUserInfoRequestResult::kNoApiPermission: {
return "getUserInfo() is disabled because FedCM is disabled.";
}
case FederatedAuthUserInfoRequestResult::kNotSignedInWithIdp: {
return "getUserInfo() is disabled because the IDP Sign-In Status is "
"signed-out.";
}
case FederatedAuthUserInfoRequestResult::kNoAccountSharingPermission: {
return "getUserInfo() failed because the user has not yet used FedCM on "
"this site with the provided IDP.";
}
case FederatedAuthUserInfoRequestResult::kInvalidConfigOrWellKnown: {
return "getUserInfo() failed because the config and well-known files "
"were invalid.";
}
case FederatedAuthUserInfoRequestResult::kInvalidAccountsResponse: {
return "getUserInfo() failed because of an invalid accounts response.";
}
case FederatedAuthUserInfoRequestResult::
kNoReturningUserFromFetchedAccounts: {
return "getUserInfo() failed because no account received was a returning "
"account.";
}
case FederatedAuthUserInfoRequestResult::kUnhandledRequest:
case FederatedAuthUserInfoRequestResult::kSuccess: {
NOTREACHED_IN_MIGRATION();
return "";
}
}
}
} // namespace
using FederatedApiPermissionStatus =
FederatedIdentityApiPermissionContextDelegate::PermissionStatus;
using LoginState = IdentityRequestAccount::LoginState;
// static
std::unique_ptr<FederatedAuthUserInfoRequest>
FederatedAuthUserInfoRequest::Create(
std::unique_ptr<IdpNetworkRequestManager> network_manager,
FederatedIdentityPermissionContextDelegate* permission_delegate,
FederatedIdentityApiPermissionContextDelegate* api_permission_delegate,
RenderFrameHost* render_frame_host,
blink::mojom::IdentityProviderConfigPtr provider) {
std::unique_ptr<FederatedAuthUserInfoRequest> request =
base::WrapUnique<FederatedAuthUserInfoRequest>(
new FederatedAuthUserInfoRequest(
std::move(network_manager), permission_delegate,
api_permission_delegate, render_frame_host, std::move(provider)));
return request;
}
FederatedAuthUserInfoRequest::~FederatedAuthUserInfoRequest() {
CompleteWithError(FederatedAuthUserInfoRequestResult::kUnhandledRequest);
}
FederatedAuthUserInfoRequest::FederatedAuthUserInfoRequest(
std::unique_ptr<IdpNetworkRequestManager> network_manager,
FederatedIdentityPermissionContextDelegate* permission_delegate,
FederatedIdentityApiPermissionContextDelegate* api_permission_delegate,
RenderFrameHost* render_frame_host,
blink::mojom::IdentityProviderConfigPtr provider)
: network_manager_(std::move(network_manager)),
permission_delegate_(permission_delegate),
api_permission_delegate_(api_permission_delegate),
render_frame_host_(render_frame_host),
client_id_(provider->client_id),
idp_config_url_(provider->config_url),
origin_(render_frame_host->GetLastCommittedOrigin()) {
RenderFrameHost* main_frame = render_frame_host->GetMainFrame();
DCHECK(main_frame->IsInPrimaryMainFrame());
embedding_origin_ = main_frame->GetLastCommittedOrigin();
RenderFrameHost* parent_frame = render_frame_host->GetParentOrOuterDocument();
parent_frame_origin_ =
parent_frame ? parent_frame->GetLastCommittedOrigin() : url::Origin();
}
void FederatedAuthUserInfoRequest::SetCallbackAndStart(
blink::mojom::FederatedAuthRequest::RequestUserInfoCallback callback) {
callback_ = std::move(callback);
request_start_time_ = base::TimeTicks::Now();
// Renderer also checks that the origin is same origin with `idp_config_url_`.
// The check is duplicated in case that the renderer is compromised.
if (!origin_.IsSameOriginWith(idp_config_url_)) {
CompleteWithError(FederatedAuthUserInfoRequestResult::kNotSameOrigin);
return;
}
// Check that `render_frame_host` is for an iframe.
if (!parent_frame_origin_.GetURL().is_valid()) {
CompleteWithError(FederatedAuthUserInfoRequestResult::kNotIframe);
return;
}
url::Origin idp_origin = url::Origin::Create(idp_config_url_);
if (!network::IsOriginPotentiallyTrustworthy(idp_origin)) {
CompleteWithError(
FederatedAuthUserInfoRequestResult::kNotPotentiallyTrustworthy);
return;
}
FederatedApiPermissionStatus permission_status =
api_permission_delegate_->GetApiPermissionStatus(embedding_origin_);
if (permission_status != FederatedApiPermissionStatus::GRANTED) {
CompleteWithError(FederatedAuthUserInfoRequestResult::kNoApiPermission);
return;
}
if (webid::ShouldFailAccountsEndpointRequestBecauseNotSignedInWithIdp(
*render_frame_host_, idp_config_url_, permission_delegate_) &&
webid::GetIdpSigninStatusMode(*render_frame_host_, idp_origin) ==
FedCmIdpSigninStatusMode::ENABLED) {
CompleteWithError(FederatedAuthUserInfoRequestResult::kNotSignedInWithIdp);
return;
}
if (!webid::HasSharingPermissionOrIdpHasThirdPartyCookiesAccess(
*render_frame_host_, idp_config_url_, embedding_origin_,
parent_frame_origin_, /*account_id=*/std::nullopt,
permission_delegate_, api_permission_delegate_)) {
// If there is no sharing permission or the IdP does not have third party
// cookies access, we can abort before performing any fetch.
CompleteWithError(
FederatedAuthUserInfoRequestResult::kNoAccountSharingPermission);
return;
}
// FederatedProviderFetcher is stored as a member so that
// FederatedProviderFetcher is destroyed when FederatedAuthRequestImpl is
// destroyed.
provider_fetcher_ = std::make_unique<FederatedProviderFetcher>(
*render_frame_host_, network_manager_.get());
provider_fetcher_->Start(
{idp_config_url_}, blink::mojom::RpMode::kPassive, /*icon_ideal_size=*/0,
/*icon_minimum_size=*/0,
base::BindOnce(
&FederatedAuthUserInfoRequest::OnAllConfigAndWellKnownFetched,
weak_ptr_factory_.GetWeakPtr()));
}
void FederatedAuthUserInfoRequest::OnAllConfigAndWellKnownFetched(
std::vector<FederatedProviderFetcher::FetchResult> fetch_results) {
provider_fetcher_.reset();
if (fetch_results.size() != 1u) {
// This could happen when the user info request was sent from a compromised
// renderer (>1) or fetch_results is empty (<1).
CompleteWithError(
FederatedAuthUserInfoRequestResult::kInvalidConfigOrWellKnown);
return;
}
if (fetch_results[0].error) {
CompleteWithError(
FederatedAuthUserInfoRequestResult::kInvalidConfigOrWellKnown);
return;
}
// Make sure that we don't fetch accounts if the IDP sign-in bit is reset to
// false during the API call. e.g. by the login/logout HEADER.
does_idp_have_failing_signin_status_ =
webid::ShouldFailAccountsEndpointRequestBecauseNotSignedInWithIdp(
*render_frame_host_, idp_config_url_, permission_delegate_);
if (does_idp_have_failing_signin_status_ &&
webid::GetIdpSigninStatusMode(*render_frame_host_,
url::Origin::Create(idp_config_url_)) ==
FedCmIdpSigninStatusMode::ENABLED) {
CompleteWithError(FederatedAuthUserInfoRequestResult::kNotSignedInWithIdp);
return;
}
network_manager_->SendAccountsRequest(
fetch_results[0].endpoints.accounts, client_id_,
base::BindOnce(&FederatedAuthUserInfoRequest::OnAccountsResponseReceived,
weak_ptr_factory_.GetWeakPtr()));
}
void FederatedAuthUserInfoRequest::OnAccountsResponseReceived(
IdpNetworkRequestManager::FetchStatus fetch_status,
std::vector<IdentityRequestAccountPtr> accounts) {
webid::UpdateIdpSigninStatusForAccountsEndpointResponse(
*render_frame_host_, idp_config_url_, fetch_status,
does_idp_have_failing_signin_status_, permission_delegate_);
if (fetch_status.parse_status !=
IdpNetworkRequestManager::ParseStatus::kSuccess) {
CompleteWithError(
FederatedAuthUserInfoRequestResult::kInvalidAccountsResponse);
return;
}
webid::GetPageData(render_frame_host_->GetPage())
->SetUserInfoAccountsResponseTime(idp_config_url_,
base::TimeTicks::Now());
// Populate the accounts login state.
for (auto& account : accounts) {
// We set the login state based on the IDP response if it sends
// back an approved_clients list. If it does not, we need to set
// it here based on browser state.
if (account->login_state) {
continue;
}
LoginState login_state = LoginState::kSignUp;
// Consider this a sign-in if we have seen a successful sign-up for
// this account before.
if (permission_delegate_->GetLastUsedTimestamp(
parent_frame_origin_, embedding_origin_,
url::Origin::Create(idp_config_url_), account->id)) {
login_state = LoginState::kSignIn;
}
account->login_state = login_state;
}
MaybeReturnAccounts(std::move(accounts));
}
void FederatedAuthUserInfoRequest::MaybeReturnAccounts(
const std::vector<IdentityRequestAccountPtr>& accounts) {
DCHECK(!accounts.empty());
bool has_returning_accounts = false;
for (const auto& account : accounts) {
if (IsReturningAccount(*account)) {
has_returning_accounts = true;
break;
}
}
FedCmMetrics::NumAccounts num_accounts = FedCmMetrics::NumAccounts::kZero;
if (has_returning_accounts) {
num_accounts = accounts.size() == 1u ? FedCmMetrics::NumAccounts::kOne
: FedCmMetrics::NumAccounts::kMultiple;
}
base::UmaHistogramEnumeration("Blink.FedCm.UserInfo.NumAccounts",
num_accounts);
base::UmaHistogramMediumTimes("Blink.FedCm.UserInfo.TimeToRequestCompleted",
base::TimeTicks::Now() - request_start_time_);
if (!has_returning_accounts) {
CompleteWithError(FederatedAuthUserInfoRequestResult::
kNoReturningUserFromFetchedAccounts);
return;
}
// The user previously accepted the FedCM prompt for one of the returned IdP
// accounts. Return data for all the IdP accounts.
std::vector<blink::mojom::IdentityUserInfoPtr> user_info;
std::vector<blink::mojom::IdentityUserInfoPtr> not_returning_accounts;
for (const auto& account : accounts) {
if (IsReturningAccount(*account)) {
user_info.push_back(blink::mojom::IdentityUserInfo::New(
account->email, account->given_name, account->name,
account->picture.spec()));
} else {
not_returning_accounts.push_back(blink::mojom::IdentityUserInfo::New(
account->email, account->given_name, account->name,
account->picture.spec()));
}
}
user_info.insert(user_info.end(),
std::make_move_iterator(not_returning_accounts.begin()),
std::make_move_iterator(not_returning_accounts.end()));
Complete(blink::mojom::RequestUserInfoStatus::kSuccess, std::move(user_info),
FederatedAuthUserInfoRequestResult::kSuccess);
}
bool FederatedAuthUserInfoRequest::IsReturningAccount(
const IdentityRequestAccount& account) {
// The |login_state| will only be |kSignUp| if IDP provides an
// |approved_clients| AND the client id is NOT on the |approved_clients|
// list, in which case we trust the IDP that we should treat the user as a
// new user and shouldn't return the user info. This should override browser
// local stored permission since a user can revoke their account out of
// band.
if (account.login_state == LoginState::kSignUp) {
return false;
}
return webid::HasSharingPermissionOrIdpHasThirdPartyCookiesAccess(
*render_frame_host_, idp_config_url_, embedding_origin_,
parent_frame_origin_, account.id, permission_delegate_,
api_permission_delegate_);
}
void FederatedAuthUserInfoRequest::Complete(
blink::mojom::RequestUserInfoStatus status,
std::optional<std::vector<blink::mojom::IdentityUserInfoPtr>> user_info,
FederatedAuthUserInfoRequestResult request_status) {
if (!callback_) {
return;
}
base::UmaHistogramEnumeration("Blink.FedCm.UserInfo.Status", request_status);
std::move(callback_).Run(status, std::move(user_info));
}
void FederatedAuthUserInfoRequest::CompleteWithError(
FederatedAuthUserInfoRequestResult error) {
// Do not add a console error for an unhandled request: the RenderFrameHost
// may have been destroyed.
if (error != FederatedAuthUserInfoRequestResult::kUnhandledRequest) {
render_frame_host_->AddMessageToConsole(
blink::mojom::ConsoleMessageLevel::kError,
GetConsoleErrorMessage(error));
AddDevToolsIssue(error);
}
Complete(blink::mojom::RequestUserInfoStatus::kError, std::nullopt, error);
}
void FederatedAuthUserInfoRequest::AddDevToolsIssue(
FederatedAuthUserInfoRequestResult error) {
DCHECK_NE(error, FederatedAuthUserInfoRequestResult::kSuccess);
auto details = blink::mojom::InspectorIssueDetails::New();
auto federated_auth_user_info_request_details =
blink::mojom::FederatedAuthUserInfoRequestIssueDetails::New(error);
details->federated_auth_user_info_request_details =
std::move(federated_auth_user_info_request_details);
render_frame_host_->ReportInspectorIssue(
blink::mojom::InspectorIssueInfo::New(
blink::mojom::InspectorIssueCode::kFederatedAuthUserInfoRequestIssue,
std::move(details)));
}
} // namespace content