Added CrOS-specific OAuth2 browser test.

google_apis/gaia/fake_gaia.cc

Index: google_apis/gaia/fake_gaia.cc
diff --git a/google_apis/gaia/fake_gaia.cc b/google_apis/gaia/fake_gaia.cc
index 7474aca80a9b0c0f184869f1295b13b1a6142fb0..9eddd85af6ba0d109863ce9b089e51355868e7c6 100644
--- a/google_apis/gaia/fake_gaia.cc
+++ b/google_apis/gaia/fake_gaia.cc
@@ -7,6 +7,8 @@
 #include <vector>
 
 #include "base/base_paths.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
@@ -15,6 +17,7 @@
 #include "base/strings/string_number_conversions.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_urls.h"
 #include "net/base/url_util.h"
@@ -23,11 +26,25 @@
 #include "net/test/embedded_test_server/http_response.h"
 #include "url/url_parse.h"
 
+#define REGISTER_RESPONSE_HANDLER(url, method) \
+  request_handlers_.insert(std::make_pair( \
+        url.path(), base::Bind(&FakeGaia::method, base::Unretained(this))))
+
+#define REGISTER_PATH_RESPONSE_HANDLER(path, method) \
+  request_handlers_.insert(std::make_pair( \
+        path, base::Bind(&FakeGaia::method, base::Unretained(this))))
+
 using namespace net::test_server;
 
 namespace {
+
 const base::FilePath::CharType kServiceLogin[] =
     FILE_PATH_LITERAL("google_apis/test/service_login.html");
+
+// OAuth2 Authentication header value prefix.
+const char kAuthHeaderBearer[] = "Bearer ";
+const char kAuthHeaderOAuth[] = "OAuth ";
+
 }
 
 FakeGaia::AccessTokenInfo::AccessTokenInfo()
@@ -45,113 +62,310 @@ FakeGaia::FakeGaia() {
 
 FakeGaia::~FakeGaia() {}
 
-scoped_ptr<HttpResponse> FakeGaia::HandleRequest(const HttpRequest& request) {
+void FakeGaia::SetAuthTokens(const std::string& auth_code,
+                             const std::string& refresh_token,
+                             const std::string& access_token,
+                             const std::string& gaia_uber_token,
+                             const std::string& session_sid_cookie,
+                             const std::string& session_lsid_cookie) {
+  fake_auth_code_ = auth_code;
+  fake_refresh_token_ = refresh_token;
+  fake_access_token_ = access_token;
+  fake_gaia_uber_token_ = gaia_uber_token;
+  fake_session_sid_cookie_ = session_sid_cookie;
+  fake_session_lsid_cookie_ = session_lsid_cookie;
+}
+
+void FakeGaia::Initialize() {
   GaiaUrls* gaia_urls = GaiaUrls::GetInstance();
+  // Handles /ServiceLogin GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->service_login_url(), HandleServiceLogin);
+
+  // Handles /ServiceLoginAuth GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->service_login_auth_url(), HandleServiceLoginAuth);
+
+  // Handles /o/oauth2/programmatic_auth GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->client_login_to_oauth2_url(), HandleProgramaticAuth);
+
+  // Handles /o/oauth2/token GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->oauth2_token_url(), HandleAuthToken);
+
+  // Handles /OAuthLogin GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->oauth1_login_url(), HandleOAuthLogin);
+
+  // Handles /MergeSession GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->merge_session_url(), HandleMergeSession);
+
+  // Handles /oauth2/v2/IssueToken GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->oauth2_issue_token_url(), HandleIssueToken);
+
+  // Handles /oauth2/v2/tokeninfo GAIA call.
+  REGISTER_RESPONSE_HANDLER(
+      gaia_urls->oauth2_token_info_url(), HandleTokenInfo);
+
+  // Handles /SSO GAIA call (not GAIA, made up for SAML tests).
+  REGISTER_PATH_RESPONSE_HANDLER("/SSO", HandleSSO);
+}
+
+void FakeGaia::HandleProgramaticAuth(
+    const HttpRequest& request,
+    BasicHttpResponse* http_response) {
+  GaiaUrls* gaia_urls = GaiaUrls::GetInstance();
+  std::string scope;
+  if (!GetQueryParameter(request.content, "scope", &scope) ||
+      gaia_urls->oauth1_login_scope() != scope) {
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+    return;
+  }
+
+  std::string client_id;
+  if (!GetQueryParameter(request.content, "client_id", &client_id) ||
+      gaia_urls->oauth2_chrome_client_id() != client_id) {
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+    return;
+  }
+
+  http_response->AddCustomHeader(
+      "Set-Cookie",
+      base::StringPrintf(
+          "oauth_code=%s; Path=/o/GetOAuth2Token; Secure; HttpOnly;",
+          fake_auth_code_.c_str()));
+  http_response->set_code(net::HTTP_OK);
+  http_response->set_content_type("text/html");
+}
+
+void FakeGaia::HandleServiceLogin(const HttpRequest& request,
+                                  BasicHttpResponse* http_response) {
+  http_response->set_code(net::HTTP_OK);
+  http_response->set_content(service_login_response_);
+  http_response->set_content_type("text/html");
+}
+
+void FakeGaia::HandleOAuthLogin(const HttpRequest& request,
+                                BasicHttpResponse* http_response) {
+  http_response->set_code(net::HTTP_BAD_REQUEST);
+  std::string access_token;
+  if (!GetAccessToken(request, kAuthHeaderOAuth, &access_token)) {
+    LOG(ERROR) << "/OAuthLogin missing access token in the header";
+    return;
+  }
 
-  // The scheme and host of the URL is actually not important but required to
-  // get a valid GURL in order to parse |request.relative_url|.
   GURL request_url = GURL("http://localhost").Resolve(request.relative_url);
-  std::string request_path = request_url.path();
+  std::string request_query = request_url.query();
 
-  scoped_ptr<BasicHttpResponse> http_response(new BasicHttpResponse());
-  if (request_path == gaia_urls->service_login_url().path()) {
+  std::string source;
+  if (!GetQueryParameter(request_query, "source", &source)) {
+    LOG(ERROR) << "Missing 'source' param in /OAuthLogin call";
+    return;
+  }
+
+  std::string issue_uberauth;
+  if (GetQueryParameter(request_query, "issueuberauth", &issue_uberauth) &&
+      issue_uberauth == "1") {
+    http_response->set_content(fake_gaia_uber_token_);
     http_response->set_code(net::HTTP_OK);
-    http_response->set_content(service_login_response_);
-    http_response->set_content_type("text/html");
-  } else if (request_path == gaia_urls->service_login_auth_url().path()) {
-    std::string continue_url = gaia_urls->service_login_url().spec();
-    GetQueryParameter(request.content, "continue", &continue_url);
-    std::string redirect_url = continue_url;
-
-    std::string email;
-    if (GetQueryParameter(request.content, "Email", &email) &&
-        saml_account_idp_map_.find(email) != saml_account_idp_map_.end()) {
-      GURL url(saml_account_idp_map_[email]);
-      url = net::AppendQueryParameter(url, "SAMLRequest", "fake_request");
-      url = net::AppendQueryParameter(url, "RelayState", continue_url);
-      redirect_url = url.spec();
-    }
+    // Issue GAIA uber token.
+  } else {
+    LOG(FATAL) << "/OAuthLogin for SID/LSID is not supported";
+  }
+}
+
+void FakeGaia::HandleMergeSession(const HttpRequest& request,
+                                  BasicHttpResponse* http_response) {
+  http_response->set_code(net::HTTP_BAD_REQUEST);
+
+  std::string uber_token;
+  if (!GetQueryParameter(request.content, "uberauth", &uber_token) ||
+      uber_token != fake_gaia_uber_token_) {
+    LOG(ERROR) << "Missing or invalid 'uberauth' param in /MergeSession call";
+    return;
+  }
+
+  std::string continue_url;
+  if (!GetQueryParameter(request.content, "continue", &continue_url)) {
+    LOG(ERROR) << "Missing or invalid 'continue' param in /MergeSession call";
+    return;
+  }
+
+  std::string source;
+  if (!GetQueryParameter(request.content, "source", &source)) {
+    LOG(ERROR) << "Missing or invalid 'source' param in /MergeSession call";
+    return;
+  }
+
+  http_response->AddCustomHeader(
+      "Set-Cookie",
+      base::StringPrintf(
+          "SID=%s; LSID=%s; Path=/; Secure; HttpOnly;",
+          fake_session_sid_cookie_.c_str(),
+          fake_session_lsid_cookie_.c_str()));
+  // TODO(zelidrag): Not used now.
+  http_response->set_content("OK");
+  http_response->set_code(net::HTTP_OK);
+}
+
+
+void FakeGaia::HandleServiceLoginAuth(const HttpRequest& request,
+                                      BasicHttpResponse* http_response) {
+  std::string continue_url =
+      GaiaUrls::GetInstance()->service_login_url().spec();
+  GetQueryParameter(request.content, "continue", &continue_url);
+
+  std::string redirect_url = continue_url;
+
+  std::string email;
+  if (GetQueryParameter(request.content, "Email", &email) &&
+      saml_account_idp_map_.find(email) != saml_account_idp_map_.end()) {
+    GURL url(saml_account_idp_map_[email]);
+    url = net::AppendQueryParameter(url, "SAMLRequest", "fake_request");
+    url = net::AppendQueryParameter(url, "RelayState", continue_url);
+    redirect_url = url.spec();
+  }
+
+  http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
+  http_response->AddCustomHeader("Location", redirect_url);
+}
+
+void FakeGaia::HandleSSO(const HttpRequest& request,
+                         BasicHttpResponse* http_response) {
+  std::string relay_state;
+  GetQueryParameter(request.content, "RelayState", &relay_state);
+  std::string redirect_url = relay_state;
+  http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
+  http_response->AddCustomHeader("Location", redirect_url);
+}
+
+void FakeGaia::HandleAuthToken(const HttpRequest& request,
+                               BasicHttpResponse* http_response) {
+  std::string grant_type;
+  std::string refresh_token;
+  std::string client_id;
+  std::string scope;
+  std::string auth_code;
+  const AccessTokenInfo* token_info = NULL;
+  GetQueryParameter(request.content, "scope", &scope);
 
-    http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
-    http_response->AddCustomHeader("Location", redirect_url);
-  } else if (request_path == gaia_urls->oauth2_token_url().path()) {
-    std::string refresh_token;
-    std::string client_id;
-    std::string scope;
-    const AccessTokenInfo* token_info = NULL;
-    GetQueryParameter(request.content, "scope", &scope);
-    if (GetQueryParameter(request.content, "refresh_token", &refresh_token) &&
-        GetQueryParameter(request.content, "client_id", &client_id) &&
-        (token_info = GetAccessTokenInfo(refresh_token, client_id, scope))) {
-      base::DictionaryValue response_dict;
-      response_dict.SetString("access_token", token_info->token);
-      response_dict.SetInteger("expires_in", 3600);
-      FormatJSONResponse(response_dict, http_response.get());
-    } else {
+  if (!GetQueryParameter(request.content, "grant_type", &grant_type)) {
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+    LOG(ERROR) << "No 'grant_type' param in /o/oauth2/token";
+    return;
+  }
+
+  if (grant_type == "authorization_code") {
+    if (!GetQueryParameter(request.content, "code", &auth_code) ||
+        auth_code != fake_auth_code_) {
       http_response->set_code(net::HTTP_BAD_REQUEST);
-    }
-  } else if (request_path == gaia_urls->oauth2_token_info_url().path()) {
-    const AccessTokenInfo* token_info = NULL;
-    std::string access_token;
-    if (GetQueryParameter(request.content, "access_token", &access_token)) {
-      for (AccessTokenInfoMap::const_iterator entry(
-               access_token_info_map_.begin());
-           entry != access_token_info_map_.end();
-           ++entry) {
-        if (entry->second.token == access_token) {
-          token_info = &(entry->second);
-          break;
-        }
-      }
+      LOG(ERROR) << "No 'code' param in /o/oauth2/token";
+      return;
     }
 
-    if (token_info) {
-      base::DictionaryValue response_dict;
-      response_dict.SetString("issued_to", token_info->issued_to);
-      response_dict.SetString("audience", token_info->audience);
-      response_dict.SetString("user_id", token_info->user_id);
-      std::vector<std::string> scope_vector(token_info->scopes.begin(),
-                                            token_info->scopes.end());
-      response_dict.SetString("scope", JoinString(scope_vector, " "));
-      response_dict.SetInteger("expires_in", token_info->expires_in);
-      response_dict.SetString("email", token_info->email);
-      FormatJSONResponse(response_dict, http_response.get());
-    } else {
+    if (GaiaUrls::GetInstance()->oauth1_login_scope() != scope) {
       http_response->set_code(net::HTTP_BAD_REQUEST);
-    }
-  } else if (request_path == gaia_urls->oauth2_issue_token_url().path()) {
-    std::string access_token;
-    std::map<std::string, std::string>::const_iterator auth_header_entry =
-        request.headers.find("Authorization");
-    if (auth_header_entry != request.headers.end()) {
-      if (StartsWithASCII(auth_header_entry->second, "Bearer ", true))
-        access_token = auth_header_entry->second.substr(7);
+      LOG(ERROR) << "Invalid scope for /o/oauth2/token - " << scope;
+      return;
     }
 
-    std::string scope;
-    std::string client_id;
-    const AccessTokenInfo* token_info = NULL;
-    if (GetQueryParameter(request.content, "scope", &scope) &&
-        GetQueryParameter(request.content, "client_id", &client_id) &&
-        (token_info = GetAccessTokenInfo(access_token, client_id, scope))) {
-      base::DictionaryValue response_dict;
-      response_dict.SetString("issueAdvice", "auto");
-      response_dict.SetString("expiresIn",
-                              base::IntToString(token_info->expires_in));
-      response_dict.SetString("token", token_info->token);
-      FormatJSONResponse(response_dict, http_response.get());
-    } else {
-      http_response->set_code(net::HTTP_BAD_REQUEST);
+    base::DictionaryValue response_dict;
+    response_dict.SetString("refresh_token", fake_refresh_token_);
+    response_dict.SetString("access_token", fake_access_token_);
+    response_dict.SetInteger("expires_in", 3600);
+    FormatJSONResponse(response_dict, http_response);
+  } else if (GetQueryParameter(request.content,
+                               "refresh_token",
+                               &refresh_token) &&
+             GetQueryParameter(request.content,
+                               "client_id",
+                               &client_id) &&
+             (token_info = FindAccessTokenInfo(refresh_token,
+                                              client_id,
+                                              scope))) {
+    base::DictionaryValue response_dict;
+    response_dict.SetString("access_token", token_info->token);
+    response_dict.SetInteger("expires_in", 3600);
+    FormatJSONResponse(response_dict, http_response);
+  } else {
+    LOG(ERROR) << "Bad request for /o/oauth2/token - "
+               << "refresh_token = " << refresh_token
+               << ", scope = " << scope
+               << ", client_id = " << client_id;
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+  }
+}
+
+void FakeGaia::HandleTokenInfo(const HttpRequest& request,
+                               BasicHttpResponse* http_response) {
+  const AccessTokenInfo* token_info = NULL;
+  std::string access_token;
+  if (GetQueryParameter(request.content, "access_token", &access_token)) {
+    for (AccessTokenInfoMap::const_iterator entry(
+             access_token_info_map_.begin());
+         entry != access_token_info_map_.end();
+         ++entry) {
+      if (entry->second.token == access_token) {
+        token_info = &(entry->second);
+        break;
+      }
     }
-  } else if (request_path == "/SSO") {
-    std::string relay_state;
-    GetQueryParameter(request.content, "RelayState", &relay_state);
-    std::string redirect_url = relay_state;
-    http_response->set_code(net::HTTP_TEMPORARY_REDIRECT);
-    http_response->AddCustomHeader("Location", redirect_url);
+  }
+
+  if (token_info) {
+    base::DictionaryValue response_dict;
+    response_dict.SetString("issued_to", token_info->issued_to);
+    response_dict.SetString("audience", token_info->audience);
+    response_dict.SetString("user_id", token_info->user_id);
+    std::vector<std::string> scope_vector(token_info->scopes.begin(),
+                                          token_info->scopes.end());
+    response_dict.SetString("scope", JoinString(scope_vector, " "));
+    response_dict.SetInteger("expires_in", token_info->expires_in);
+    response_dict.SetString("email", token_info->email);
+    FormatJSONResponse(response_dict, http_response);
+  } else {
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+  }
+}
+
+void FakeGaia::HandleIssueToken(const HttpRequest& request,
+                                BasicHttpResponse* http_response) {
+  std::string access_token;
+  std::string scope;
+  std::string client_id;
+  const AccessTokenInfo* token_info = NULL;
+  if (GetAccessToken(request, kAuthHeaderBearer, &access_token) &&
+      GetQueryParameter(request.content, "scope", &scope) &&
+      GetQueryParameter(request.content, "client_id", &client_id) &&
+      (token_info = FindAccessTokenInfo(access_token, client_id, scope))) {
+    base::DictionaryValue response_dict;
+    response_dict.SetString("issueAdvice", "auto");
+    response_dict.SetString("expiresIn",
+                            base::IntToString(token_info->expires_in));
+    response_dict.SetString("token", token_info->token);
+    FormatJSONResponse(response_dict, http_response);
+  } else {
+    http_response->set_code(net::HTTP_BAD_REQUEST);
+  }
+}
+
+
+scoped_ptr<HttpResponse> FakeGaia::HandleRequest(const HttpRequest& request) {
+  // The scheme and host of the URL is actually not important but required to
+  // get a valid GURL in order to parse |request.relative_url|.
+  GURL request_url = GURL("http://localhost").Resolve(request.relative_url);
+  std::string request_path = request_url.path();
+  scoped_ptr<BasicHttpResponse> http_response(new BasicHttpResponse());
+  RequestHandlerMap::iterator iter = request_handlers_.find(request_path);
+  if (iter != request_handlers_.end()) {
+    LOG(WARNING) << "Serving request " << request_path;
+    iter->second.Run(request, http_response.get());
   } else {
-    // Request not understood.
-    return scoped_ptr<HttpResponse>();
+    LOG(ERROR) << "Unhandled request " << request_path;
+    return scoped_ptr<HttpResponse>();      // Request not understood.
   }
 
   return http_response.PassAs<HttpResponse>();
@@ -167,16 +381,6 @@ void FakeGaia::RegisterSamlUser(const std::string& account_id,
   saml_account_idp_map_[account_id] = saml_idp;
 }
 
-// static
-bool FakeGaia::GetQueryParameter(const std::string& query,
-                                 const std::string& key,
-                                 std::string* value) {
-  // Name and scheme actually don't matter, but are required to get a valid URL
-  // for parsing.
-  GURL query_url("http://localhost?" + query);
-  return net::GetValueForKeyInQuery(query_url, key, value);
-}
-
 void FakeGaia::FormatJSONResponse(const base::DictionaryValue& response_dict,
                                   BasicHttpResponse* http_response) {
   std::string response_json;
@@ -185,7 +389,7 @@ void FakeGaia::FormatJSONResponse(const base::DictionaryValue& response_dict,
   http_response->set_code(net::HTTP_OK);
 }
 
-const FakeGaia::AccessTokenInfo* FakeGaia::GetAccessTokenInfo(
+const FakeGaia::AccessTokenInfo* FakeGaia::FindAccessTokenInfo(
     const std::string& auth_token,
     const std::string& client_id,
     const std::string& scope_string) const {
@@ -208,3 +412,30 @@ const FakeGaia::AccessTokenInfo* FakeGaia::GetAccessTokenInfo(
 
   return NULL;
 }
+
+// static
+bool FakeGaia::GetQueryParameter(const std::string& query,
+                                 const std::string& key,
+                                 std::string* value) {
+  // Name and scheme actually don't matter, but are required to get a valid URL
+  // for parsing.
+  GURL query_url("http://localhost?" + query);
+  return net::GetValueForKeyInQuery(query_url, key, value);
+}
+
+// static
+bool FakeGaia::GetAccessToken(const HttpRequest& request,
+                              const char* auth_token_prefix,
+                              std::string* access_token) {
+  std::map<std::string, std::string>::const_iterator auth_header_entry =
+      request.headers.find("Authorization");
+  if (auth_header_entry != request.headers.end()) {
+    if (StartsWithASCII(auth_header_entry->second, auth_token_prefix, true)) {
+      *access_token = auth_header_entry->second.substr(
+          strlen(auth_token_prefix));
+      return true;
+    }
+  }
+
+  return false;
+}