blob: f4039e49bed1fa1f7837095551affbc29df8a025 [file] [log] [blame]
// Copyright (c) 2012 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 "google_apis/gaia/gaia_auth_fetcher.h"
#include <string>
#include <utility>
#include <vector>
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/macros.h"
#include "base/metrics/user_metrics.h"
#include "base/metrics/user_metrics_action.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "google_apis/gaia/gaia_auth_consumer.h"
#include "google_apis/gaia/gaia_auth_util.h"
#include "google_apis/gaia/gaia_constants.h"
#include "google_apis/gaia/gaia_urls.h"
#include "google_apis/gaia/google_service_auth_error.h"
#include "google_apis/gaia/oauth2_id_token_decoder.h"
#include "net/base/escape.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_fetcher.h"
#include "net/url_request/url_request_context_getter.h"
#include "net/url_request/url_request_status.h"
namespace {
const int kLoadFlagsIgnoreCookies = net::LOAD_DO_NOT_SEND_COOKIES |
net::LOAD_DO_NOT_SAVE_COOKIES;
static bool CookiePartsContains(const std::vector<std::string>& parts,
const char* part) {
for (std::vector<std::string>::const_iterator it = parts.begin();
it != parts.end(); ++it) {
if (base::LowerCaseEqualsASCII(*it, part))
return true;
}
return false;
}
std::unique_ptr<const GaiaAuthConsumer::ClientOAuthResult>
ExtractOAuth2TokenPairResponse(const std::string& data) {
std::unique_ptr<base::Value> value = base::JSONReader::Read(data);
if (!value.get() || value->type() != base::Value::Type::DICTIONARY)
return nullptr;
base::DictionaryValue* dict =
static_cast<base::DictionaryValue*>(value.get());
std::string refresh_token;
std::string access_token;
std::string id_token;
int expires_in_secs;
if (!dict->GetStringWithoutPathExpansion("refresh_token", &refresh_token) ||
!dict->GetStringWithoutPathExpansion("access_token", &access_token) ||
!dict->GetIntegerWithoutPathExpansion("expires_in", &expires_in_secs)) {
return nullptr;
}
// Extract ID token when obtaining refresh token. Do not fail if absent,
// but log to keep track.
if (!dict->GetStringWithoutPathExpansion("id_token", &id_token)) {
LOG(ERROR) << "Missing ID token on refresh token fetch response.";
}
bool is_child_account = gaia::IsChildAccountFromIdToken(id_token);
return std::make_unique<const GaiaAuthConsumer::ClientOAuthResult>(
refresh_token, access_token, expires_in_secs, is_child_account);
}
void GetCookiesFromResponse(const net::HttpResponseHeaders* headers,
net::ResponseCookies* cookies) {
if (!headers)
return;
std::string value;
size_t iter = 0;
while (headers->EnumerateHeader(&iter, "Set-Cookie", &value)) {
if (!value.empty())
cookies->push_back(value);
}
}
// Parses server responses for token revocation.
GaiaAuthConsumer::TokenRevocationStatus
GetTokenRevocationStatusFromResponseData(const std::string& data,
int response_code) {
if (response_code == net::HTTP_OK)
return GaiaAuthConsumer::TokenRevocationStatus::kSuccess;
if (response_code == net::HTTP_INTERNAL_SERVER_ERROR)
return GaiaAuthConsumer::TokenRevocationStatus::kServerError;
std::unique_ptr<base::Value> value = base::JSONReader::Read(data);
if (!value.get() || value->type() != base::Value::Type::DICTIONARY)
return GaiaAuthConsumer::TokenRevocationStatus::kUnknownError;
base::DictionaryValue* dict =
static_cast<base::DictionaryValue*>(value.get());
std::string error;
if (!dict->GetStringWithoutPathExpansion("error", &error))
return GaiaAuthConsumer::TokenRevocationStatus::kUnknownError;
if (error == "invalid_token")
return GaiaAuthConsumer::TokenRevocationStatus::kInvalidToken;
if (error == "invalid_request")
return GaiaAuthConsumer::TokenRevocationStatus::kInvalidRequest;
return GaiaAuthConsumer::TokenRevocationStatus::kUnknownError;
}
} // namespace
// static
const char GaiaAuthFetcher::kIssueAuthTokenFormat[] =
"SID=%s&"
"LSID=%s&"
"service=%s&"
"Session=%s";
// static
const char GaiaAuthFetcher::kClientLoginToOAuth2URLFormat[] =
"?scope=%s&client_id=%s";
// static
const char GaiaAuthFetcher::kOAuth2CodeToTokenPairBodyFormat[] =
"scope=%s&"
"grant_type=authorization_code&"
"client_id=%s&"
"client_secret=%s&"
"code=%s";
// static
const char GaiaAuthFetcher::kOAuth2CodeToTokenPairDeviceIdParam[] =
"device_id=%s&device_type=chrome";
// static
const char GaiaAuthFetcher::kOAuth2RevokeTokenBodyFormat[] =
"token=%s";
// static
const char GaiaAuthFetcher::kGetUserInfoFormat[] =
"LSID=%s";
// static
const char GaiaAuthFetcher::kMergeSessionFormat[] =
"?uberauth=%s&"
"continue=%s&"
"source=%s";
// static
const char GaiaAuthFetcher::kUberAuthTokenURLFormat[] =
"?source=%s&"
"issueuberauth=1";
const char GaiaAuthFetcher::kOAuthLoginFormat[] = "service=%s&source=%s";
// static
const char GaiaAuthFetcher::kAccountDeletedError[] = "AccountDeleted";
// static
const char GaiaAuthFetcher::kAccountDisabledError[] = "AccountDisabled";
// static
const char GaiaAuthFetcher::kBadAuthenticationError[] = "BadAuthentication";
// static
const char GaiaAuthFetcher::kCaptchaError[] = "CaptchaRequired";
// static
const char GaiaAuthFetcher::kServiceUnavailableError[] =
"ServiceUnavailable";
// static
const char GaiaAuthFetcher::kErrorParam[] = "Error";
// static
const char GaiaAuthFetcher::kErrorUrlParam[] = "Url";
// static
const char GaiaAuthFetcher::kCaptchaUrlParam[] = "CaptchaUrl";
// static
const char GaiaAuthFetcher::kCaptchaTokenParam[] = "CaptchaToken";
// static
const char GaiaAuthFetcher::kSecondFactor[] = "Info=InvalidSecondFactor";
// static
const char GaiaAuthFetcher::kWebLoginRequired[] = "Info=WebLoginRequired";
// static
const char GaiaAuthFetcher::kAuthHeaderFormat[] =
"Authorization: GoogleLogin auth=%s";
// static
const char GaiaAuthFetcher::kOAuthHeaderFormat[] = "Authorization: OAuth %s";
// static
const char GaiaAuthFetcher::kOAuth2BearerHeaderFormat[] =
"Authorization: Bearer %s";
// static
const char GaiaAuthFetcher::kDeviceIdHeaderFormat[] = "X-Device-ID: %s";
// static
const char GaiaAuthFetcher::kClientLoginToOAuth2CookiePartSecure[] = "secure";
// static
const char GaiaAuthFetcher::kClientLoginToOAuth2CookiePartHttpOnly[] =
"httponly";
// static
const char GaiaAuthFetcher::kClientLoginToOAuth2CookiePartCodePrefix[] =
"oauth_code=";
// static
const int GaiaAuthFetcher::kClientLoginToOAuth2CookiePartCodePrefixLength =
arraysize(GaiaAuthFetcher::kClientLoginToOAuth2CookiePartCodePrefix) - 1;
GaiaAuthFetcher::GaiaAuthFetcher(GaiaAuthConsumer* consumer,
const std::string& source,
net::URLRequestContextGetter* getter)
: consumer_(consumer),
getter_(getter),
source_(source),
issue_auth_token_gurl_(GaiaUrls::GetInstance()->issue_auth_token_url()),
oauth2_token_gurl_(GaiaUrls::GetInstance()->oauth2_token_url()),
oauth2_revoke_gurl_(GaiaUrls::GetInstance()->oauth2_revoke_url()),
get_user_info_gurl_(GaiaUrls::GetInstance()->get_user_info_url()),
merge_session_gurl_(GaiaUrls::GetInstance()->merge_session_url()),
uberauth_token_gurl_(GaiaUrls::GetInstance()->oauth1_login_url().Resolve(
base::StringPrintf(kUberAuthTokenURLFormat, source.c_str()))),
oauth_login_gurl_(GaiaUrls::GetInstance()->oauth1_login_url()),
list_accounts_gurl_(
GaiaUrls::GetInstance()->ListAccountsURLWithSource(source)),
logout_gurl_(GaiaUrls::GetInstance()->LogOutURLWithSource(source)),
get_check_connection_info_url_(
GaiaUrls::GetInstance()->GetCheckConnectionInfoURLWithSource(source)),
deprecated_client_login_to_oauth2_gurl_(
GaiaUrls::GetInstance()->deprecated_client_login_to_oauth2_url()) {}
GaiaAuthFetcher::~GaiaAuthFetcher() {}
bool GaiaAuthFetcher::HasPendingFetch() {
return fetch_pending_;
}
void GaiaAuthFetcher::SetPendingFetch(bool pending_fetch) {
fetch_pending_ = pending_fetch;
}
void GaiaAuthFetcher::CancelRequest() {
fetcher_.reset();
fetch_pending_ = false;
}
void GaiaAuthFetcher::CreateAndStartGaiaFetcher(
const std::string& body,
const std::string& headers,
const GURL& gaia_gurl,
int load_flags,
const net::NetworkTrafficAnnotationTag& traffic_annotation) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
fetcher_ = net::URLFetcher::Create(
0, gaia_gurl, body.empty() ? net::URLFetcher::GET : net::URLFetcher::POST,
this, traffic_annotation);
fetcher_->SetRequestContext(getter_);
fetcher_->SetUploadData("application/x-www-form-urlencoded", body);
gaia::MarkURLFetcherAsGaia(fetcher_.get());
VLOG(2) << "Gaia fetcher URL: " << gaia_gurl.spec();
VLOG(2) << "Gaia fetcher headers: " << headers;
VLOG(2) << "Gaia fetcher body: " << body;
// The Gaia token exchange requests do not require any cookie-based
// identification as part of requests. We suppress sending any cookies to
// maintain a separation between the user's browsing and Chrome's internal
// services. Where such mixing is desired (MergeSession or OAuthLogin), it
// will be done explicitly.
fetcher_->SetLoadFlags(load_flags);
// Fetchers are sometimes cancelled because a network change was detected,
// especially at startup and after sign-in on ChromeOS. Retrying once should
// be enough in those cases; let the fetcher retry up to 3 times just in case.
// http://crbug.com/163710
fetcher_->SetAutomaticallyRetryOnNetworkChanges(3);
if (!headers.empty())
fetcher_->SetExtraRequestHeaders(headers);
fetch_pending_ = true;
fetcher_->Start();
}
// static
std::string GaiaAuthFetcher::MakeIssueAuthTokenBody(
const std::string& sid,
const std::string& lsid,
const char* const service) {
std::string encoded_sid = net::EscapeUrlEncodedData(sid, true);
std::string encoded_lsid = net::EscapeUrlEncodedData(lsid, true);
// All tokens should be session tokens except the gaia auth token.
bool session = true;
if (!strcmp(service, GaiaConstants::kGaiaService))
session = false;
return base::StringPrintf(kIssueAuthTokenFormat,
encoded_sid.c_str(),
encoded_lsid.c_str(),
service,
session ? "true" : "false");
}
// static
std::string GaiaAuthFetcher::MakeGetTokenPairBody(
const std::string& auth_code,
const std::string& device_id) {
std::string encoded_scope = net::EscapeUrlEncodedData(
GaiaConstants::kOAuth1LoginScope, true);
std::string encoded_client_id = net::EscapeUrlEncodedData(
GaiaUrls::GetInstance()->oauth2_chrome_client_id(), true);
std::string encoded_client_secret = net::EscapeUrlEncodedData(
GaiaUrls::GetInstance()->oauth2_chrome_client_secret(), true);
std::string encoded_auth_code = net::EscapeUrlEncodedData(auth_code, true);
std::string body = base::StringPrintf(
kOAuth2CodeToTokenPairBodyFormat, encoded_scope.c_str(),
encoded_client_id.c_str(), encoded_client_secret.c_str(),
encoded_auth_code.c_str());
if (!device_id.empty()) {
body += "&" + base::StringPrintf(kOAuth2CodeToTokenPairDeviceIdParam,
device_id.c_str());
}
return body;
}
// static
std::string GaiaAuthFetcher::MakeRevokeTokenBody(
const std::string& auth_token) {
return base::StringPrintf(kOAuth2RevokeTokenBodyFormat, auth_token.c_str());
}
// static
std::string GaiaAuthFetcher::MakeGetUserInfoBody(const std::string& lsid) {
std::string encoded_lsid = net::EscapeUrlEncodedData(lsid, true);
return base::StringPrintf(kGetUserInfoFormat, encoded_lsid.c_str());
}
// static
std::string GaiaAuthFetcher::MakeMergeSessionQuery(
const std::string& auth_token,
const std::string& external_cc_result,
const std::string& continue_url,
const std::string& source) {
std::string encoded_auth_token = net::EscapeUrlEncodedData(auth_token, true);
std::string encoded_continue_url = net::EscapeUrlEncodedData(continue_url,
true);
std::string encoded_source = net::EscapeUrlEncodedData(source, true);
std::string result = base::StringPrintf(kMergeSessionFormat,
encoded_auth_token.c_str(),
encoded_continue_url.c_str(),
encoded_source.c_str());
if (!external_cc_result.empty()) {
base::StringAppendF(&result, "&externalCcResult=%s",
net::EscapeUrlEncodedData(
external_cc_result, true).c_str());
}
return result;
}
// static
std::string GaiaAuthFetcher::MakeGetAuthCodeHeader(
const std::string& auth_token) {
return base::StringPrintf(kAuthHeaderFormat, auth_token.c_str());
}
// Helper method that extracts tokens from a successful reply.
// static
void GaiaAuthFetcher::ParseClientLoginResponse(const std::string& data,
std::string* sid,
std::string* lsid,
std::string* token) {
using std::vector;
using std::pair;
using std::string;
sid->clear();
lsid->clear();
token->clear();
base::StringPairs tokens;
base::SplitStringIntoKeyValuePairs(data, '=', '\n', &tokens);
for (base::StringPairs::iterator i = tokens.begin();
i != tokens.end(); ++i) {
if (i->first == "SID") {
sid->assign(i->second);
} else if (i->first == "LSID") {
lsid->assign(i->second);
} else if (i->first == "Auth") {
token->assign(i->second);
}
}
// If this was a request for uberauth token, then that's all we've got in
// data.
if (sid->empty() && lsid->empty() && token->empty())
token->assign(data);
}
// static
std::string GaiaAuthFetcher::MakeOAuthLoginBody(const std::string& service,
const std::string& source) {
std::string encoded_service = net::EscapeUrlEncodedData(service, true);
std::string encoded_source = net::EscapeUrlEncodedData(source, true);
return base::StringPrintf(kOAuthLoginFormat,
encoded_service.c_str(),
encoded_source.c_str());
}
// static
void GaiaAuthFetcher::ParseClientLoginFailure(const std::string& data,
std::string* error,
std::string* error_url,
std::string* captcha_url,
std::string* captcha_token) {
using std::vector;
using std::pair;
using std::string;
base::StringPairs tokens;
base::SplitStringIntoKeyValuePairs(data, '=', '\n', &tokens);
for (base::StringPairs::iterator i = tokens.begin();
i != tokens.end(); ++i) {
if (i->first == kErrorParam) {
error->assign(i->second);
} else if (i->first == kErrorUrlParam) {
error_url->assign(i->second);
} else if (i->first == kCaptchaUrlParam) {
captcha_url->assign(i->second);
} else if (i->first == kCaptchaTokenParam) {
captcha_token->assign(i->second);
}
}
}
// static
bool GaiaAuthFetcher::ParseClientLoginToOAuth2Response(
const net::ResponseCookies& cookies,
std::string* auth_code) {
DCHECK(auth_code);
net::ResponseCookies::const_iterator iter;
for (iter = cookies.begin(); iter != cookies.end(); ++iter) {
if (ParseClientLoginToOAuth2Cookie(*iter, auth_code))
return true;
}
return false;
}
// static
bool GaiaAuthFetcher::ParseClientLoginToOAuth2Cookie(const std::string& cookie,
std::string* auth_code) {
std::vector<std::string> parts = base::SplitString(
cookie, ";", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
// Per documentation, the cookie should have Secure and HttpOnly.
if (!CookiePartsContains(parts, kClientLoginToOAuth2CookiePartSecure) ||
!CookiePartsContains(parts, kClientLoginToOAuth2CookiePartHttpOnly)) {
return false;
}
std::vector<std::string>::const_iterator iter;
for (iter = parts.begin(); iter != parts.end(); ++iter) {
const std::string& part = *iter;
if (base::StartsWith(part, kClientLoginToOAuth2CookiePartCodePrefix,
base::CompareCase::INSENSITIVE_ASCII)) {
auth_code->assign(part.substr(
kClientLoginToOAuth2CookiePartCodePrefixLength));
return true;
}
}
return false;
}
void GaiaAuthFetcher::StartRevokeOAuth2Token(const std::string& auth_token) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting OAuth2 token revocation";
request_body_ = MakeRevokeTokenBody(auth_token);
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_revoke_token", R"(
semantics {
sender: "Chrome - Google authentication API"
description: "This request revokes an OAuth 2.0 refresh token."
trigger:
"This request is part of Gaia Auth API, and is triggered whenever "
"an OAuth 2.0 refresh token needs to be revoked."
data: "The OAuth 2.0 refresh token that should be revoked."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: NO
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(request_body_, std::string(), oauth2_revoke_gurl_,
kLoadFlagsIgnoreCookies, traffic_annotation);
}
void GaiaAuthFetcher::DeprecatedStartCookieForOAuthLoginTokenExchange(
const std::string& session_index) {
DeprecatedStartCookieForOAuthLoginTokenExchangeWithDeviceId(session_index,
std::string());
}
void GaiaAuthFetcher::
DeprecatedStartCookieForOAuthLoginTokenExchangeWithDeviceId(
const std::string& session_index,
const std::string& device_id) {
DeprecatedStartCookieForOAuthLoginTokenExchange(
true, session_index, GaiaUrls::GetInstance()->oauth2_chrome_client_id(),
device_id);
}
void GaiaAuthFetcher::DeprecatedStartCookieForOAuthLoginTokenExchange(
bool fetch_token_from_auth_code,
const std::string& session_index,
const std::string& client_id,
const std::string& device_id) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting OAuth login token fetch with cookie jar";
std::string encoded_scope = net::EscapeUrlEncodedData(
GaiaConstants::kOAuth1LoginScope, true);
std::string encoded_client_id = net::EscapeUrlEncodedData(client_id, true);
std::string query_string =
base::StringPrintf(kClientLoginToOAuth2URLFormat, encoded_scope.c_str(),
encoded_client_id.c_str());
if (!device_id.empty())
query_string += "&device_type=chrome";
if (!session_index.empty())
query_string += "&authuser=" + session_index;
std::string device_id_header;
if (!device_id.empty()) {
device_id_header =
base::StringPrintf(kDeviceIdHeaderFormat, device_id.c_str());
}
fetch_token_from_auth_code_ = fetch_token_from_auth_code;
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_exchange_cookies", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request exchanges the cookies of a Google signed-in user "
"session for an OAuth 2.0 refresh token."
trigger:
"This request is part of Gaia Auth API, and may be triggered at "
"the end of the Chrome sign-in flow."
data:
"The Google console client ID of the Chrome application, the ID of "
"the device, and the index of the session in the Google "
"authentication cookies."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
base::RecordAction(base::UserMetricsAction(
"Signin_UseDeprecatedCookieToOAuth2TokenEndpoint"));
CreateAndStartGaiaFetcher(
std::string(), device_id_header,
deprecated_client_login_to_oauth2_gurl_.Resolve(query_string),
net::LOAD_NORMAL, traffic_annotation);
}
void GaiaAuthFetcher::StartAuthCodeForOAuth2TokenExchange(
const std::string& auth_code) {
StartAuthCodeForOAuth2TokenExchangeWithDeviceId(auth_code, std::string());
}
void GaiaAuthFetcher::StartAuthCodeForOAuth2TokenExchangeWithDeviceId(
const std::string& auth_code,
const std::string& device_id) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting OAuth token pair fetch";
request_body_ = MakeGetTokenPairBody(auth_code, device_id);
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_exchange_device_id", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request exchanges an authorization code for an OAuth 2.0 "
"refresh token."
trigger:
"This request is part of Gaia Auth API, and may be triggered at "
"the end of the Chrome sign-in flow."
data:
"The Google console client ID and client secret of the Chrome "
"application, the OAuth 2.0 authorization code, and the ID of the "
"device."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: NO
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(request_body_, std::string(), oauth2_token_gurl_,
kLoadFlagsIgnoreCookies, traffic_annotation);
}
void GaiaAuthFetcher::StartGetUserInfo(const std::string& lsid) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting GetUserInfo for lsid=" << lsid;
request_body_ = MakeGetUserInfoBody(lsid);
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_get_user_info", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request fetches user information of a Google account."
trigger:
"This fetcher is only used after signing in with a child account."
data: "The value of the Google authentication LSID cookie."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: NO
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(request_body_, std::string(), get_user_info_gurl_,
kLoadFlagsIgnoreCookies, traffic_annotation);
}
void GaiaAuthFetcher::StartMergeSession(const std::string& uber_token,
const std::string& external_cc_result) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting MergeSession with uber_token=" << uber_token;
// The continue URL is a required parameter of the MergeSession API, but in
// this case we don't actually need or want to navigate to it. Setting it to
// an arbitrary Google URL.
//
// In order for the new session to be merged correctly, the server needs to
// know what sessions already exist in the browser. The fetcher needs to be
// created such that it sends the cookies with the request, which is
// different from all other requests the fetcher can make.
std::string continue_url("http://www.google.com");
std::string query = MakeMergeSessionQuery(uber_token, external_cc_result,
continue_url, source_);
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_merge_sessions", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request adds an account to the Google authentication cookies."
trigger:
"This request is part of Gaia Auth API, and is triggered whenever "
"a new Google account is added to the browser."
data:
"This request includes the user-auth token and sometimes a string "
"containing the result of connection checks for various Google web "
"properties."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(std::string(), std::string(),
merge_session_gurl_.Resolve(query),
net::LOAD_NORMAL, traffic_annotation);
}
void GaiaAuthFetcher::StartTokenFetchForUberAuthExchange(
const std::string& access_token,
bool is_bound_to_channel_id) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
VLOG(1) << "Starting StartTokenFetchForUberAuthExchange with access_token="
<< access_token;
std::string authentication_header =
base::StringPrintf(kOAuthHeaderFormat, access_token.c_str());
int load_flags =
is_bound_to_channel_id ? net::LOAD_NORMAL : kLoadFlagsIgnoreCookies;
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_fetch_for_uber", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request exchanges an Oauth2 access token for an uber-auth "
"token. This token may be used to add an account to the Google "
"authentication cookies."
trigger:
"This request is part of Gaia Auth API, and is triggered whenever "
"a new Google account is added to the browser."
data: "This request contains an OAuth 2.0 access token. "
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(std::string(), authentication_header,
uberauth_token_gurl_, load_flags,
traffic_annotation);
}
void GaiaAuthFetcher::StartOAuthLogin(const std::string& access_token,
const std::string& service) {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
request_body_ = MakeOAuthLoginBody(service, source_);
std::string authentication_header =
base::StringPrintf(kOAuth2BearerHeaderFormat, access_token.c_str());
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_login", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request exchanges an OAuthLogin-scoped OAuth 2.0 access "
"token for a ClientLogin-style service tokens. The response to "
"this request is the same as the response to a ClientLogin "
"request, except that captcha challenges are never issued."
trigger:
"This request is part of Gaia Auth API, and is triggered after "
"signing in with a child account."
data:
"This request contains an OAuth 2.0 access token and the service "
"for which a ClientLogin-style should be delivered."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(request_body_, authentication_header,
oauth_login_gurl_, net::LOAD_NORMAL,
traffic_annotation);
}
void GaiaAuthFetcher::StartListAccounts() {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_list_accounts", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request is used to list the accounts in the Google "
"authentication cookies."
trigger:
"This request is part of Gaia Auth API, and is triggered whenever "
"the list of all available accounts in the Google authentication "
"cookies is required."
data: "None."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(" ", // To force an HTTP POST.
"Origin: https://www.google.com",
list_accounts_gurl_, net::LOAD_NORMAL,
traffic_annotation);
}
void GaiaAuthFetcher::StartLogOut() {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_log_out", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request is part of the Chrome - Google authentication API "
"and allows its callers to sign out all Google accounts from the "
"content area."
trigger:
"This request is part of Gaia Auth API, and is triggered whenever "
"signing out of all Google accounts is required."
data: "None."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: YES
cookies_store: "user"
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(std::string(), std::string(), logout_gurl_,
net::LOAD_NORMAL, traffic_annotation);
}
void GaiaAuthFetcher::StartGetCheckConnectionInfo() {
DCHECK(!fetch_pending_) << "Tried to fetch two things at once!";
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("gaia_auth_check_connection_info", R"(
semantics {
sender: "Chrome - Google authentication API"
description:
"This request is used to fetch from the Google authentication "
"server the the list of URLs to check its connection info."
trigger:
"This request is part of Gaia Auth API, and is triggered once "
"after a Google account is added to the browser."
data: "None."
destination: GOOGLE_OWNED_SERVICE
}
policy {
cookies_allowed: NO
setting:
"This feature cannot be disabled in settings, but if the user "
"signs out of Chrome, this request would not be made."
chrome_policy {
SigninAllowed {
policy_options {mode: MANDATORY}
SigninAllowed: false
}
}
})");
CreateAndStartGaiaFetcher(std::string(), std::string(),
get_check_connection_info_url_,
kLoadFlagsIgnoreCookies, traffic_annotation);
}
// static
GoogleServiceAuthError GaiaAuthFetcher::GenerateAuthError(
const std::string& data,
const net::URLRequestStatus& status) {
if (!status.is_success()) {
if (status.status() == net::URLRequestStatus::CANCELED) {
return GoogleServiceAuthError(GoogleServiceAuthError::REQUEST_CANCELED);
}
DLOG(WARNING) << "Could not reach Google Accounts servers: errno "
<< status.error();
return GoogleServiceAuthError::FromConnectionError(status.error());
}
if (IsSecondFactorSuccess(data))
return GoogleServiceAuthError(GoogleServiceAuthError::TWO_FACTOR);
if (IsWebLoginRequiredSuccess(data))
return GoogleServiceAuthError(GoogleServiceAuthError::WEB_LOGIN_REQUIRED);
std::string error;
std::string url;
std::string captcha_url;
std::string captcha_token;
ParseClientLoginFailure(data, &error, &url, &captcha_url, &captcha_token);
DLOG(WARNING) << "ClientLogin failed with " << error;
if (error == kCaptchaError) {
return GoogleServiceAuthError::FromClientLoginCaptchaChallenge(
captcha_token,
GURL(GaiaUrls::GetInstance()->captcha_base_url().Resolve(captcha_url)),
GURL(url));
}
if (error == kAccountDeletedError)
return GoogleServiceAuthError(GoogleServiceAuthError::ACCOUNT_DELETED);
if (error == kAccountDisabledError)
return GoogleServiceAuthError(GoogleServiceAuthError::ACCOUNT_DISABLED);
if (error == kBadAuthenticationError) {
return GoogleServiceAuthError(
GoogleServiceAuthError::FromInvalidGaiaCredentialsReason(
GoogleServiceAuthError::InvalidGaiaCredentialsReason::
CREDENTIALS_REJECTED_BY_SERVER));
}
if (error == kServiceUnavailableError) {
return GoogleServiceAuthError(
GoogleServiceAuthError::SERVICE_UNAVAILABLE);
}
DLOG(WARNING) << "Incomprehensible response from Google Accounts servers.";
return GoogleServiceAuthError(GoogleServiceAuthError::SERVICE_UNAVAILABLE);
}
void GaiaAuthFetcher::OnIssueAuthTokenFetched(
const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
// Only the bare token is returned in the body of this Gaia call
// without any padding.
consumer_->OnIssueAuthTokenSuccess(requested_service_, data);
} else {
consumer_->OnIssueAuthTokenFailure(requested_service_,
GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnClientLoginToOAuth2Fetched(
const std::string& data,
const net::ResponseCookies& cookies,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
std::string auth_code;
if (ParseClientLoginToOAuth2Response(cookies, &auth_code)) {
if (fetch_token_from_auth_code_)
StartAuthCodeForOAuth2TokenExchange(auth_code);
else
consumer_->OnClientOAuthCode(auth_code);
} else {
GoogleServiceAuthError auth_error(
GoogleServiceAuthError::FromUnexpectedServiceResponse(
"ClientLogin response cookies didn't contain an auth code"));
consumer_->OnClientOAuthFailure(auth_error);
}
} else {
GoogleServiceAuthError auth_error(GenerateAuthError(data, status));
consumer_->OnClientOAuthFailure(auth_error);
}
}
void GaiaAuthFetcher::OnOAuth2TokenPairFetched(
const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
std::unique_ptr<const GaiaAuthConsumer::ClientOAuthResult> result;
if (status.is_success() && response_code == net::HTTP_OK) {
result = ExtractOAuth2TokenPairResponse(data);
}
if (result) {
consumer_->OnClientOAuthSuccess(*result);
} else {
consumer_->OnClientOAuthFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnOAuth2RevokeTokenFetched(
const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
GaiaAuthConsumer::TokenRevocationStatus revocation_status =
GaiaAuthConsumer::TokenRevocationStatus::kUnknownError;
switch (status.status()) {
case net::URLRequestStatus::SUCCESS:
revocation_status =
GetTokenRevocationStatusFromResponseData(data, response_code);
break;
case net::URLRequestStatus::IO_PENDING:
NOTREACHED();
break;
case net::URLRequestStatus::FAILED:
revocation_status =
(status.ToNetError() == net::ERR_TIMED_OUT)
? GaiaAuthConsumer::TokenRevocationStatus::kConnectionTimeout
: GaiaAuthConsumer::TokenRevocationStatus::kConnectionFailed;
break;
case net::URLRequestStatus::CANCELED:
revocation_status =
GaiaAuthConsumer::TokenRevocationStatus::kConnectionCanceled;
break;
}
consumer_->OnOAuth2RevokeTokenCompleted(revocation_status);
}
void GaiaAuthFetcher::OnListAccountsFetched(const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
consumer_->OnListAccountsSuccess(data);
} else {
consumer_->OnListAccountsFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnLogOutFetched(const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
consumer_->OnLogOutSuccess();
} else {
consumer_->OnLogOutFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnGetUserInfoFetched(
const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
base::StringPairs tokens;
UserInfoMap matches;
base::SplitStringIntoKeyValuePairs(data, '=', '\n', &tokens);
base::StringPairs::iterator i;
for (i = tokens.begin(); i != tokens.end(); ++i) {
matches[i->first] = i->second;
}
consumer_->OnGetUserInfoSuccess(matches);
} else {
consumer_->OnGetUserInfoFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnMergeSessionFetched(const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
consumer_->OnMergeSessionSuccess(data);
} else {
consumer_->OnMergeSessionFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnUberAuthTokenFetch(const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
consumer_->OnUberAuthTokenSuccess(data);
} else {
consumer_->OnUberAuthTokenFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnOAuthLoginFetched(const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
VLOG(1) << "ClientLogin successful!";
std::string sid;
std::string lsid;
std::string token;
ParseClientLoginResponse(data, &sid, &lsid, &token);
consumer_->OnClientLoginSuccess(
GaiaAuthConsumer::ClientLoginResult(sid, lsid, token, data));
} else {
consumer_->OnClientLoginFailure(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnGetCheckConnectionInfoFetched(
const std::string& data,
const net::URLRequestStatus& status,
int response_code) {
if (status.is_success() && response_code == net::HTTP_OK) {
consumer_->OnGetCheckConnectionInfoSuccess(data);
} else {
consumer_->OnGetCheckConnectionInfoError(GenerateAuthError(data, status));
}
}
void GaiaAuthFetcher::OnURLFetchComplete(const net::URLFetcher* source) {
fetch_pending_ = false;
// Some of the GAIA requests perform redirects, which results in the final
// URL of the fetcher not being the original URL requested. Therefore use
// the original URL when determining which OnXXX function to call.
const GURL& url = source->GetOriginalURL();
const net::URLRequestStatus& status = source->GetStatus();
int response_code = source->GetResponseCode();
std::string data;
source->GetResponseAsString(&data);
// Retrieve the response headers from the request. Must only be called after
// the OnURLFetchComplete callback has run.
#ifndef NDEBUG
std::string headers;
if (source->GetResponseHeaders())
headers = net::HttpUtil::ConvertHeadersBackToHTTPResponse(
source->GetResponseHeaders()->raw_headers());
DVLOG(2) << "Response " << url.spec() << ", code = " << response_code << "\n"
<< headers << "\n";
DVLOG(2) << "data: " << data << "\n";
#endif
net::ResponseCookies cookies;
GetCookiesFromResponse(source->GetResponseHeaders(), &cookies);
DispatchFetchedRequest(url, data, cookies, status, response_code);
}
void GaiaAuthFetcher::DispatchFetchedRequest(
const GURL& url,
const std::string& data,
const net::ResponseCookies& cookies,
const net::URLRequestStatus& status,
int response_code) {
if (url == issue_auth_token_gurl_) {
OnIssueAuthTokenFetched(data, status, response_code);
} else if (base::StartsWith(url.spec(),
deprecated_client_login_to_oauth2_gurl_.spec(),
base::CompareCase::SENSITIVE)) {
OnClientLoginToOAuth2Fetched(data, cookies, status, response_code);
} else if (url == oauth2_token_gurl_) {
OnOAuth2TokenPairFetched(data, status, response_code);
} else if (url == get_user_info_gurl_) {
OnGetUserInfoFetched(data, status, response_code);
} else if (base::StartsWith(url.spec(), merge_session_gurl_.spec(),
base::CompareCase::SENSITIVE)) {
OnMergeSessionFetched(data, status, response_code);
} else if (url == uberauth_token_gurl_) {
OnUberAuthTokenFetch(data, status, response_code);
} else if (url == oauth_login_gurl_) {
OnOAuthLoginFetched(data, status, response_code);
} else if (url == oauth2_revoke_gurl_) {
OnOAuth2RevokeTokenFetched(data, status, response_code);
} else if (url == list_accounts_gurl_) {
OnListAccountsFetched(data, status, response_code);
} else if (url == logout_gurl_) {
OnLogOutFetched(data, status, response_code);
} else if (url == get_check_connection_info_url_) {
OnGetCheckConnectionInfoFetched(data, status, response_code);
} else {
NOTREACHED();
}
}
// static
bool GaiaAuthFetcher::IsSecondFactorSuccess(
const std::string& alleged_error) {
return alleged_error.find(kSecondFactor) !=
std::string::npos;
}
// static
bool GaiaAuthFetcher::IsWebLoginRequiredSuccess(
const std::string& alleged_error) {
return alleged_error.find(kWebLoginRequired) !=
std::string::npos;
}