src/google_apis/gaia/fake_gaia.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "google_apis/gaia/fake_gaia.h"
   6
   7 #include <vector>
   8
   9 #include "base/base_paths.h"
  10 #include "base/bind.h"
  11 #include "base/bind_helpers.h"
  12 #include "base/files/file_path.h"
  13 #include "base/files/file_util.h"
  14 #include "base/json/json_writer.h"
  15 #include "base/logging.h"
  16 #include "base/memory/linked_ptr.h"
  17 #include "base/path_service.h"
  18 #include "base/strings/string_number_conversions.h"
  19 #include "base/strings/string_split.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/stringprintf.h"
  22 #include "base/values.h"
  23 #include "google_apis/gaia/gaia_constants.h"
  24 #include "google_apis/gaia/gaia_urls.h"
  25 #include "net/base/url_util.h"
  26 #include "net/cookies/parsed_cookie.h"
  27 #include "net/http/http_status_code.h"
  28 #include "net/test/embedded_test_server/http_request.h"
  29 #include "net/test/embedded_test_server/http_response.h"
  30 #include "url/url_parse.h"
  31
  32 #define REGISTER_RESPONSE_HANDLER(url, method) \
  33   request_handlers_.insert(std::make_pair( \
  34         url.path(), base::Bind(&FakeGaia::method, base::Unretained(this))))
  35
  36 #define REGISTER_PATH_RESPONSE_HANDLER(path, method) \
  37   request_handlers_.insert(std::make_pair( \
  38         path, base::Bind(&FakeGaia::method, base::Unretained(this))))
  39
  40 using namespace net::test_server;
  41
  42 namespace {
  43
  44 const char kTestAuthCode[] = "fake-auth-code";
  45 const char kTestGaiaUberToken[] = "fake-uber-token";
  46 const char kTestAuthLoginAccessToken[] = "fake-access-token";
  47 const char kTestRefreshToken[] = "fake-refresh-token";
  48 const char kTestSessionSIDCookie[] = "fake-session-SID-cookie";
  49 const char kTestSessionLSIDCookie[] = "fake-session-LSID-cookie";
  50 const char kTestOAuthLoginSID[] = "fake-oauth-SID-cookie";
  51 const char kTestOAuthLoginLSID[] = "fake-oauth-LSID-cookie";
  52 const char kTestOAuthLoginAuthCode[] = "fake-oauth-auth-code";
  53
  54 const char kDefaultGaiaId[]  ="12345";
  55
  56 const base::FilePath::CharType kServiceLogin[] =
  57     FILE_PATH_LITERAL("google_apis/test/service_login.html");
  58
  59 // OAuth2 Authentication header value prefix.
  60 const char kAuthHeaderBearer[] = "Bearer ";
  61 const char kAuthHeaderOAuth[] = "OAuth ";
  62
  63 const char kListAccountsResponseFormat[] =
  64     "[\"gaia.l.a.r\",[[\"gaia.l.a\",1,\"\",\"%s\",\"\",1,1,0]]]";
  65
  66 typedef std::map<std::string, std::string> CookieMap;
  67
  68 // Parses cookie name-value map our of |request|.
  69 CookieMap GetRequestCookies(const HttpRequest& request) {
  70   CookieMap result;
  71   std::map<std::string, std::string>::const_iterator iter =
  72            request.headers.find("Cookie");
  73   if (iter != request.headers.end()) {
  74     std::vector<std::string> cookie_nv_pairs;
  75     base::SplitString(iter->second, ' ', &cookie_nv_pairs);
  76     for(std::vector<std::string>::const_iterator cookie_line =
  77             cookie_nv_pairs.begin();
  78         cookie_line != cookie_nv_pairs.end();
  79         ++cookie_line) {
  80       std::vector<std::string> name_value;
  81       base::SplitString(*cookie_line, '=', &name_value);
  82       if (name_value.size() != 2)
  83         continue;
  84
  85       std::string value = name_value[1];
  86       if (value.size() && value[value.size() - 1] == ';')
  87         value = value.substr(0, value.size() -1);
  88
  89       result.insert(std::make_pair(name_value[0], value));
  90     }
  91   }
  92   return result;
  93 }
  94
  95 // Extracts the |access_token| from authorization header of |request|.
  96 bool GetAccessToken(const HttpRequest& request,
  97                     const char* auth_token_prefix,
  98                     std::string* access_token) {
  99   std::map<std::string, std::string>::const_iterator auth_header_entry =
 100       request.headers.find("Authorization");
 101   if (auth_header_entry != request.headers.end()) {
 102     if (StartsWithASCII(auth_header_entry->second, auth_token_prefix, true)) {
 103       *access_token = auth_header_entry->second.substr(
 104           strlen(auth_token_prefix));
 105       return true;
 106     }
 107   }
 108
 109   return false;
 110 }
 111
 112 void SetCookies(BasicHttpResponse* http_response,
 113                 const std::string& sid_cookie,
 114                 const std::string& lsid_cookie) {
 115   http_response->AddCustomHeader(
 116       "Set-Cookie",
 117       base::StringPrintf("SID=%s; Path=/; HttpOnly", sid_cookie.c_str()));
 118   http_response->AddCustomHeader(
 119       "Set-Cookie",
 120       base::StringPrintf("LSID=%s; Path=/; HttpOnly", lsid_cookie.c_str()));
 121 }
 122
 123 }  // namespace
 124
 125 FakeGaia::AccessTokenInfo::AccessTokenInfo()
 126   : expires_in(3600) {}
 127
 128 FakeGaia::AccessTokenInfo::~AccessTokenInfo() {}
 129
 130 FakeGaia::MergeSessionParams::MergeSessionParams() {
 131 }
 132
 133 FakeGaia::MergeSessionParams::~MergeSessionParams() {
 134 }
 135
 136 FakeGaia::FakeGaia() {
 137   base::FilePath source_root_dir;
 138   PathService::Get(base::DIR_SOURCE_ROOT, &source_root_dir);
 139   CHECK(base::ReadFileToString(
 140       source_root_dir.Append(base::FilePath(kServiceLogin)),
 141       &service_login_response_));
 142 }
 143
 144 FakeGaia::~FakeGaia() {}
 145
 146 void FakeGaia::SetFakeMergeSessionParams(
 147     const std::string& email,
 148     const std::string& auth_sid_cookie,
 149     const std::string& auth_lsid_cookie) {
 150   FakeGaia::MergeSessionParams params;
 151   params.auth_sid_cookie = auth_sid_cookie;
 152   params.auth_lsid_cookie = auth_lsid_cookie;
 153   params.auth_code = kTestAuthCode;
 154   params.refresh_token = kTestRefreshToken;
 155   params.access_token = kTestAuthLoginAccessToken;
 156   params.gaia_uber_token = kTestGaiaUberToken;
 157   params.session_sid_cookie = kTestSessionSIDCookie;
 158   params.session_lsid_cookie = kTestSessionLSIDCookie;
 159   params.email = email;
 160   SetMergeSessionParams(params);
 161 }
 162
 163 void FakeGaia::SetMergeSessionParams(
 164     const MergeSessionParams& params) {
 165   merge_session_params_ = params;
 166 }
 167
 168 void FakeGaia::MapEmailToGaiaId(const std::string& email,
 169                                 const std::string& gaia_id) {
 170   DCHECK(!email.empty());
 171   DCHECK(!gaia_id.empty());
 172   email_to_gaia_id_map_[email] = gaia_id;
 173 }
 174
 175 std::string FakeGaia::GetGaiaIdOfEmail(const std::string& email) const {
 176   DCHECK(!email.empty());
 177   auto it = email_to_gaia_id_map_.find(email);
 178   return it == email_to_gaia_id_map_.end() ? std::string(kDefaultGaiaId) :
 179       it->second;
 180 }
 181
 182 void FakeGaia::AddGoogleAccountsSigninHeader(
 183     net::test_server::BasicHttpResponse* http_response,
 184     const std::string& email) const {
 185   DCHECK(!email.empty());
 186   http_response->AddCustomHeader("google-accounts-signin",
 187       base::StringPrintf(
 188           "email=\"%s\", obfuscatedid=\"%s\", sessionindex=0",
 189           email.c_str(), GetGaiaIdOfEmail(email).c_str()));
 190 }
 191
 192 void FakeGaia::Initialize() {
 193   GaiaUrls* gaia_urls = GaiaUrls::GetInstance();
 194   // Handles /MergeSession GAIA call.
 195   REGISTER_RESPONSE_HANDLER(
 196       gaia_urls->merge_session_url(), HandleMergeSession);
 197
 198   // Handles /o/oauth2/programmatic_auth GAIA call.
 199   REGISTER_RESPONSE_HANDLER(
 200       gaia_urls->client_login_to_oauth2_url(), HandleProgramaticAuth);
 201
 202   // Handles /ServiceLogin GAIA call.
 203   REGISTER_RESPONSE_HANDLER(
 204       gaia_urls->service_login_url(), HandleServiceLogin);
 205
 206   // Handles /OAuthLogin GAIA call.
 207   REGISTER_RESPONSE_HANDLER(
 208       gaia_urls->oauth1_login_url(), HandleOAuthLogin);
 209
 210   // Handles /ServiceLoginAuth GAIA call.
 211   REGISTER_RESPONSE_HANDLER(
 212       gaia_urls->service_login_auth_url(), HandleServiceLoginAuth);
 213
 214   // Handles /SSO GAIA call (not GAIA, made up for SAML tests).
 215   REGISTER_PATH_RESPONSE_HANDLER("/SSO", HandleSSO);
 216
 217   // Handles /o/oauth2/token GAIA call.
 218   REGISTER_RESPONSE_HANDLER(
 219       gaia_urls->oauth2_token_url(), HandleAuthToken);
 220
 221   // Handles /oauth2/v2/tokeninfo GAIA call.
 222   REGISTER_RESPONSE_HANDLER(
 223       gaia_urls->oauth2_token_info_url(), HandleTokenInfo);
 224
 225   // Handles /oauth2/v2/IssueToken GAIA call.
 226   REGISTER_RESPONSE_HANDLER(
 227       gaia_urls->oauth2_issue_token_url(), HandleIssueToken);
 228
 229   // Handles /ListAccounts GAIA call.
 230   REGISTER_RESPONSE_HANDLER(
 231       gaia_urls->ListAccountsURLWithSource(std::string()), HandleListAccounts);
 232
 233   // Handles /GetUserInfo GAIA call.
 234   REGISTER_RESPONSE_HANDLER(
 235       gaia_urls->get_user_info_url(), HandleGetUserInfo);
 236 }
 237
 238 scoped_ptr<HttpResponse> FakeGaia::HandleRequest(const HttpRequest& request) {
 239   // The scheme and host of the URL is actually not important but required to
 240   // get a valid GURL in order to parse |request.relative_url|.
 241   GURL request_url = GURL("http://localhost").Resolve(request.relative_url);
 242   std::string request_path = request_url.path();
 243   scoped_ptr<BasicHttpResponse> http_response(new BasicHttpResponse());
 244   RequestHandlerMap::iterator iter = request_handlers_.find(request_path);
 245   if (iter != request_handlers_.end()) {
 246     LOG(WARNING) << "Serving request " << request_path;
 247     iter->second.Run(request, http_response.get());
 248   } else {
 249     LOG(ERROR) << "Unhandled request " << request_path;
 250     return scoped_ptr<HttpResponse>();      // Request not understood.
 251   }
 252
 253   return http_response.Pass();
 254 }
 255
 256 void FakeGaia::IssueOAuthToken(const std::string& auth_token,
 257                                const AccessTokenInfo& token_info) {
 258   access_token_info_map_.insert(std::make_pair(auth_token, token_info));
 259 }
 260
 261 void FakeGaia::RegisterSamlUser(const std::string& account_id,
 262                                 const GURL& saml_idp) {
 263   saml_account_idp_map_[account_id] = saml_idp;
 264 }
 265
 266 // static
 267 bool FakeGaia::GetQueryParameter(const std::string& query,
 268                                  const std::string& key,
 269                                  std::string* value) {
 270   // Name and scheme actually don't matter, but are required to get a valid URL
 271   // for parsing.
 272   GURL query_url("http://localhost?" + query);
 273   return net::GetValueForKeyInQuery(query_url, key, value);
 274 }
 275
 276 void FakeGaia::HandleMergeSession(const HttpRequest& request,
 277                                   BasicHttpResponse* http_response) {
 278   http_response->set_code(net::HTTP_UNAUTHORIZED);
 279   if (merge_session_params_.session_sid_cookie.empty() ||
 280       merge_session_params_.session_lsid_cookie.empty()) {
 281     http_response->set_code(net::HTTP_BAD_REQUEST);
 282     return;
 283   }
 284
 285   std::string uber_token;
 286   if (!GetQueryParameter(request.content, "uberauth", &uber_token) ||
 287       uber_token != merge_session_params_.gaia_uber_token) {
 288     LOG(ERROR) << "Missing or invalid 'uberauth' param in /MergeSession call";
 289     return;
 290   }
 291
 292   std::string continue_url;
 293   if (!GetQueryParameter(request.content, "continue", &continue_url)) {
 294     LOG(ERROR) << "Missing or invalid 'continue' param in /MergeSession call";
 295     return;
 296   }
 297
 298   std::string source;
 299   if (!GetQueryParameter(request.content, "source", &source)) {
 300     LOG(ERROR) << "Missing or invalid 'source' param in /MergeSession call";
 301     return;
 302   }
 303
 304   SetCookies(http_response,
 305              merge_session_params_.session_sid_cookie,
 306              merge_session_params_.session_lsid_cookie);
 307   // TODO(zelidrag): Not used now.
 308   http_response->set_content("OK");
 309   http_response->set_code(net::HTTP_OK);
 310 }
 311
 312 void FakeGaia::HandleProgramaticAuth(
 313     const HttpRequest& request,
 314     BasicHttpResponse* http_response) {
 315   http_response->set_code(net::HTTP_UNAUTHORIZED);
 316   if (merge_session_params_.auth_code.empty()) {
 317     http_response->set_code(net::HTTP_BAD_REQUEST);
 318     return;
 319   }
 320
 321   GaiaUrls* gaia_urls = GaiaUrls::GetInstance();
 322   std::string scope;
 323   if (!GetQueryParameter(request.content, "scope", &scope) ||
 324       GaiaConstants::kOAuth1LoginScope != scope) {
 325     return;
 326   }
 327
 328   CookieMap cookies = GetRequestCookies(request);
 329   CookieMap::const_iterator sid_iter = cookies.find("SID");
 330   if (sid_iter == cookies.end() ||
 331       sid_iter->second != merge_session_params_.auth_sid_cookie) {
 332     LOG(ERROR) << "/o/oauth2/programmatic_auth missing SID cookie";
 333     return;
 334   }
 335   CookieMap::const_iterator lsid_iter = cookies.find("LSID");
 336   if (lsid_iter == cookies.end() ||
 337       lsid_iter->second != merge_session_params_.auth_lsid_cookie) {
 338     LOG(ERROR) << "/o/oauth2/programmatic_auth missing LSID cookie";
 339     return;
 340   }
 341
 342   std::string client_id;
 343   if (!GetQueryParameter(request.content, "client_id", &client_id) ||
 344       gaia_urls->oauth2_chrome_client_id() != client_id) {
 345     return;
 346   }
 347
 348   http_response->AddCustomHeader(
 349       "Set-Cookie",
 350       base::StringPrintf(
 351           "oauth_code=%s; Path=/o/GetOAuth2Token; Secure; HttpOnly;",
 352           merge_session_params_.auth_code.c_str()));
 353   http_response->set_code(net::HTTP_OK);
 354   http_response->set_content_type("text/html");
 355 }
 356
 357 void FakeGaia::FormatJSONResponse(const base::DictionaryValue& response_dict,
 358                                   BasicHttpResponse* http_response) {
 359   std::string response_json;
 360   base::JSONWriter::Write(&response_dict, &response_json);
 361   http_response->set_content(response_json);
 362   http_response->set_code(net::HTTP_OK);
 363 }
 364
 365 const FakeGaia::AccessTokenInfo* FakeGaia::FindAccessTokenInfo(
 366     const std::string& auth_token,
 367     const std::string& client_id,
 368     const std::string& scope_string) const {
 369   if (auth_token.empty() || client_id.empty())
 370     return NULL;
 371
 372   std::vector<std::string> scope_list;
 373   base::SplitString(scope_string, ' ', &scope_list);
 374   ScopeSet scopes(scope_list.begin(), scope_list.end());
 375
 376   for (AccessTokenInfoMap::const_iterator entry(
 377            access_token_info_map_.lower_bound(auth_token));
 378        entry != access_token_info_map_.upper_bound(auth_token);
 379        ++entry) {
 380     if (entry->second.audience == client_id &&
 381         (scope_string.empty() || entry->second.scopes == scopes)) {
 382       return &(entry->second);
 383     }
 384   }
 385
 386   return NULL;
 387 }
 388
 389 void FakeGaia::HandleServiceLogin(const HttpRequest& request,
 390                                   BasicHttpResponse* http_response) {
 391   http_response->set_code(net::HTTP_OK);
 392   http_response->set_content(service_login_response_);
 393   http_response->set_content_type("text/html");
 394 }
 395
 396 void FakeGaia::HandleOAuthLogin(const HttpRequest& request,
 397                                 BasicHttpResponse* http_response) {
 398   http_response->set_code(net::HTTP_UNAUTHORIZED);
 399   if (merge_session_params_.gaia_uber_token.empty()) {
 400     http_response->set_code(net::HTTP_FORBIDDEN);
 401     return;
 402   }
 403
 404   std::string access_token;
 405   if (!GetAccessToken(request, kAuthHeaderBearer, &access_token) &&
 406       !GetAccessToken(request, kAuthHeaderOAuth, &access_token)) {
 407     LOG(ERROR) << "/OAuthLogin missing access token in the header";
 408     return;
 409   }
 410
 411   GURL request_url = GURL("http://localhost").Resolve(request.relative_url);
 412   std::string request_query = request_url.query();
 413
 414   std::string source;
 415   if (!GetQueryParameter(request_query, "source", &source) &&
 416       !GetQueryParameter(request.content, "source", &source)) {
 417     LOG(ERROR) << "Missing 'source' param in /OAuthLogin call";
 418     return;
 419   }
 420
 421   std::string issue_uberauth;
 422   if (GetQueryParameter(request_query, "issueuberauth", &issue_uberauth) &&
 423       issue_uberauth == "1") {
 424     http_response->set_content(merge_session_params_.gaia_uber_token);
 425     http_response->set_code(net::HTTP_OK);
 426     // Issue GAIA uber token.
 427   } else {
 428     http_response->set_content(base::StringPrintf(
 429         "SID=%s\nLSID=%s\nAuth=%s",
 430         kTestOAuthLoginSID, kTestOAuthLoginLSID, kTestOAuthLoginAuthCode));
 431     http_response->set_code(net::HTTP_OK);
 432   }
 433 }
 434
 435 void FakeGaia::HandleServiceLoginAuth(const HttpRequest& request,
 436                                       BasicHttpResponse* http_response) {
 437   std::string continue_url =
 438       GaiaUrls::GetInstance()->service_login_url().spec();
 439   GetQueryParameter(request.content, "continue", &continue_url);
 440
 441   std::string redirect_url = continue_url;
 442
 443   std::string email;
 444   const bool is_saml =
 445       GetQueryParameter(request.content, "Email", &email) &&
 446       saml_account_idp_map_.find(email) != saml_account_idp_map_.end();
 447
 448   if (is_saml) {
 449     GURL url(saml_account_idp_map_[email]);
 450     url = net::AppendQueryParameter(url, "SAMLRequest", "fake_request");
 451     url = net::AppendQueryParameter(url, "RelayState", continue_url);
 452     redirect_url = url.spec();
 453     http_response->AddCustomHeader("Google-Accounts-SAML", "Start");
 454   } else if (!merge_session_params_.auth_sid_cookie.empty() &&
 455              !merge_session_params_.auth_lsid_cookie.empty()) {
 456     SetCookies(http_response,
 457                merge_session_params_.auth_sid_cookie,
 458                merge_session_params_.auth_lsid_cookie);
 459   }
 460
 461   http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
 462   http_response->AddCustomHeader("Location", redirect_url);
 463
 464   // SAML sign-ins complete in HandleSSO().
 465   if (is_saml)
 466     return;
 467
 468   AddGoogleAccountsSigninHeader(http_response, email);
 469 }
 470
 471 void FakeGaia::HandleSSO(const HttpRequest& request,
 472                          BasicHttpResponse* http_response) {
 473   if (!merge_session_params_.auth_sid_cookie.empty() &&
 474       !merge_session_params_.auth_lsid_cookie.empty()) {
 475     SetCookies(http_response,
 476                merge_session_params_.auth_sid_cookie,
 477                merge_session_params_.auth_lsid_cookie);
 478   }
 479   std::string relay_state;
 480   GetQueryParameter(request.content, "RelayState", &relay_state);
 481   std::string redirect_url = relay_state;
 482   http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
 483   http_response->AddCustomHeader("Location", redirect_url);
 484   http_response->AddCustomHeader("Google-Accounts-SAML", "End");
 485
 486   if (!merge_session_params_.email.empty())
 487     AddGoogleAccountsSigninHeader(http_response, merge_session_params_.email);
 488 }
 489
 490 void FakeGaia::HandleAuthToken(const HttpRequest& request,
 491                                BasicHttpResponse* http_response) {
 492   std::string scope;
 493   GetQueryParameter(request.content, "scope", &scope);
 494
 495   std::string grant_type;
 496   if (!GetQueryParameter(request.content, "grant_type", &grant_type)) {
 497     http_response->set_code(net::HTTP_BAD_REQUEST);
 498     LOG(ERROR) << "No 'grant_type' param in /o/oauth2/token";
 499     return;
 500   }
 501
 502   if (grant_type == "authorization_code") {
 503     std::string auth_code;
 504     if (!GetQueryParameter(request.content, "code", &auth_code) ||
 505         auth_code != merge_session_params_.auth_code) {
 506       http_response->set_code(net::HTTP_BAD_REQUEST);
 507       LOG(ERROR) << "No 'code' param in /o/oauth2/token";
 508       return;
 509     }
 510
 511     if (GaiaConstants::kOAuth1LoginScope != scope) {
 512       http_response->set_code(net::HTTP_BAD_REQUEST);
 513       LOG(ERROR) << "Invalid scope for /o/oauth2/token - " << scope;
 514       return;
 515     }
 516
 517     base::DictionaryValue response_dict;
 518     response_dict.SetString("refresh_token",
 519                             merge_session_params_.refresh_token);
 520     response_dict.SetString("access_token",
 521                             merge_session_params_.access_token);
 522     response_dict.SetInteger("expires_in", 3600);
 523     FormatJSONResponse(response_dict, http_response);
 524     return;
 525   }
 526
 527   std::string refresh_token;
 528   std::string client_id;
 529   if (GetQueryParameter(request.content, "refresh_token", &refresh_token) &&
 530       GetQueryParameter(request.content, "client_id", &client_id)) {
 531     const AccessTokenInfo* token_info =
 532         FindAccessTokenInfo(refresh_token, client_id, scope);
 533     if (token_info) {
 534       base::DictionaryValue response_dict;
 535       response_dict.SetString("access_token", token_info->token);
 536       response_dict.SetInteger("expires_in", 3600);
 537       FormatJSONResponse(response_dict, http_response);
 538       return;
 539     }
 540   }
 541
 542   LOG(ERROR) << "Bad request for /o/oauth2/token - "
 543               << "refresh_token = " << refresh_token
 544               << ", scope = " << scope
 545               << ", client_id = " << client_id;
 546   http_response->set_code(net::HTTP_BAD_REQUEST);
 547 }
 548
 549 void FakeGaia::HandleTokenInfo(const HttpRequest& request,
 550                                BasicHttpResponse* http_response) {
 551   const AccessTokenInfo* token_info = NULL;
 552   std::string access_token;
 553   if (GetQueryParameter(request.content, "access_token", &access_token)) {
 554     for (AccessTokenInfoMap::const_iterator entry(
 555              access_token_info_map_.begin());
 556          entry != access_token_info_map_.end();
 557          ++entry) {
 558       if (entry->second.token == access_token) {
 559         token_info = &(entry->second);
 560         break;
 561       }
 562     }
 563   }
 564
 565   if (token_info) {
 566     base::DictionaryValue response_dict;
 567     response_dict.SetString("issued_to", token_info->issued_to);
 568     response_dict.SetString("audience", token_info->audience);
 569     response_dict.SetString("user_id", token_info->user_id);
 570     std::vector<std::string> scope_vector(token_info->scopes.begin(),
 571                                           token_info->scopes.end());
 572     response_dict.SetString("scope", JoinString(scope_vector, " "));
 573     response_dict.SetInteger("expires_in", token_info->expires_in);
 574     response_dict.SetString("email", token_info->email);
 575     FormatJSONResponse(response_dict, http_response);
 576   } else {
 577     http_response->set_code(net::HTTP_BAD_REQUEST);
 578   }
 579 }
 580
 581 void FakeGaia::HandleIssueToken(const HttpRequest& request,
 582                                 BasicHttpResponse* http_response) {
 583   std::string access_token;
 584   std::string scope;
 585   std::string client_id;
 586   if (GetAccessToken(request, kAuthHeaderBearer, &access_token) &&
 587       GetQueryParameter(request.content, "scope", &scope) &&
 588       GetQueryParameter(request.content, "client_id", &client_id)) {
 589     const AccessTokenInfo* token_info =
 590         FindAccessTokenInfo(access_token, client_id, scope);
 591     if (token_info) {
 592       base::DictionaryValue response_dict;
 593       response_dict.SetString("issueAdvice", "auto");
 594       response_dict.SetString("expiresIn",
 595                               base::IntToString(token_info->expires_in));
 596       response_dict.SetString("token", token_info->token);
 597       FormatJSONResponse(response_dict, http_response);
 598       return;
 599     }
 600   }
 601   http_response->set_code(net::HTTP_BAD_REQUEST);
 602 }
 603
 604 void FakeGaia::HandleListAccounts(const HttpRequest& request,
 605                                   BasicHttpResponse* http_response) {
 606   http_response->set_content(base::StringPrintf(
 607       kListAccountsResponseFormat, merge_session_params_.email.c_str()));
 608   http_response->set_code(net::HTTP_OK);
 609 }
 610
 611 void FakeGaia::HandleGetUserInfo(const HttpRequest& request,
 612                                  BasicHttpResponse* http_response) {
 613   http_response->set_content(base::StringPrintf(
 614       "email=%s\ndisplayEmail=%s",
 615       merge_session_params_.email.c_str(),
 616       merge_session_params_.email.c_str()));
 617   http_response->set_code(net::HTTP_OK);
 618 }
 619