Public Sessions: fetch device robot api token during enterprise enrollment.

chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc

Index: chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc b/chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc
index 7c5692d26925fbf182abb8094c7de006275cc0d4..2c5b618b2f8ffe64ff56191619739f9d5ead4530 100644
--- a/chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc
+++ b/chrome/browser/chromeos/policy/enrollment_handler_chromeos.cc
@@ -7,10 +7,14 @@
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
+#include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
+#include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud/proto/device_management_backend.pb.h"
+#include "google_apis/gaia/gaia_urls.h"
 
 namespace em = enterprise_management;
 
@@ -129,7 +133,9 @@ void EnrollmentHandlerChromeOS::OnRegistrationStateChanged(
 void EnrollmentHandlerChromeOS::OnClientError(CloudPolicyClient* client) {
   DCHECK_EQ(client_.get(), client);
 
-  if (enrollment_step_ < STEP_POLICY_FETCH)
+  if (enrollment_step_ == STEP_ROBOT_AUTH_FETCH)
+    ReportResult(EnrollmentStatus::ForRobotAuthError(client_->status()));
+  else if (enrollment_step_ < STEP_POLICY_FETCH)
     ReportResult(EnrollmentStatus::ForRegistrationError(client_->status()));
   else
     ReportResult(EnrollmentStatus::ForFetchError(client_->status()));
@@ -139,9 +145,24 @@ void EnrollmentHandlerChromeOS::OnStoreLoaded(CloudPolicyStore* store) {
   DCHECK_EQ(store_, store);
 
   if (enrollment_step_ == STEP_LOADING_STORE) {
+    // If the |store_| wasn't initialized when StartEnrollment() was
+    // called, then AttemptRegistration() bails silently.  This gets
+    // registration rolling again after the store finishes loading.
     AttemptRegistration();
   } else if (enrollment_step_ == STEP_STORE_POLICY) {
-    ReportResult(EnrollmentStatus::ForStatus(EnrollmentStatus::STATUS_SUCCESS));
+    enrollment_step_ = STEP_STORE_ROBOT_AUTH;

[Mattias Nissler (ping if slow), 2013/04/22 10:59:00]

Is this used anywhere? If not, just remove that step constant.

[David Roche, 2013/04/23 01:36:08]

Done.

+
+    chromeos::DeviceOAuth2TokenService* token_service =
+        chromeos::DeviceOAuth2TokenServiceFactory::Get();
+    if (token_service) {
+      token_service->SetAndSaveRefreshToken(robot_refresh_token_);
+
+      ReportResult(EnrollmentStatus::ForStatus(
+          EnrollmentStatus::STATUS_SUCCESS));
+    } else {
+      ReportResult(EnrollmentStatus::ForStatus(
+          EnrollmentStatus::STATUS_ROBOT_REFRESH_FETCH_FAILED));
+    }
   }
 }
 
@@ -165,14 +186,73 @@ void EnrollmentHandlerChromeOS::PolicyValidated(
   CHECK_EQ(STEP_VALIDATION, enrollment_step_);
   if (validator->success()) {
     policy_ = validator->policy().Pass();
-    enrollment_step_ = STEP_LOCK_DEVICE;
-    WriteInstallAttributes(validator->policy_data()->username(), device_mode_,
-                           validator->policy_data()->device_id());
+    username_ = validator->policy_data()->username();
+    device_id_ = validator->policy_data()->device_id();
+
+    enrollment_step_ = STEP_ROBOT_AUTH_FETCH;
+    client_->FetchRobotAuthTokens(auth_token_);
   } else {
     ReportResult(EnrollmentStatus::ForValidationError(validator->status()));
   }
 }
 
+void EnrollmentHandlerChromeOS::OnRobotAuthCodesFetched(
+    CloudPolicyClient* client) {
+  DCHECK_EQ(client_.get(), client);
+  CHECK_EQ(STEP_ROBOT_AUTH_FETCH, enrollment_step_);
+
+  enrollment_step_ = STEP_ROBOT_AUTH_REFRESH;
+
+  gaia::OAuthClientInfo client_info;
+  client_info.client_id = GaiaUrls::GetInstance()->oauth2_chrome_client_id();
+  client_info.client_secret =
+      GaiaUrls::GetInstance()->oauth2_chrome_client_secret();
+
+  // Use the system request context to avoid sending user cookies.
+  gaia_oauth_client_.reset(new gaia::GaiaOAuthClient(
+      gaia::kGaiaOAuth2Url,
+      g_browser_process->system_request_context()));
+  gaia_oauth_client_->GetTokensFromAuthCode(client_info,
+                                            client->robot_api_auth_code(),
+                                            0 /* max_retries */,
+                                            this);
+}
+
+// GaiaOAuthClient::Delegate callback for OAuth2 refresh token fetched.
+void EnrollmentHandlerChromeOS::OnGetTokensResponse(
+    const std::string& refresh_token,
+    const std::string& access_token,
+    int expires_in_seconds) {
+  CHECK_EQ(STEP_ROBOT_AUTH_REFRESH, enrollment_step_);
+
+  robot_refresh_token_ = refresh_token;
+
+  enrollment_step_ = STEP_LOCK_DEVICE,
+  WriteInstallAttributes(username_, device_mode_, device_id_);
+}
+
+// GaiaOAuthClient::Delegate
+void EnrollmentHandlerChromeOS::OnRefreshTokenResponse(
+    const std::string& access_token,
+    int expires_in_seconds) {
+  // We never use the code that should trigger this callback.
+  LOG(FATAL) << "Unexpected callback invoked";
+}
+
+// GaiaOAuthClient::Delegate OAuth2 error when fetching refresh token request.
+void EnrollmentHandlerChromeOS::OnOAuthError() {
+  ReportResult(EnrollmentStatus::ForStatus(
+      EnrollmentStatus::STATUS_ROBOT_REFRESH_FETCH_FAILED));
+}
+
+// GaiaOAuthClient::Delegate network error when fetching refresh token.
+void EnrollmentHandlerChromeOS::OnNetworkError(int response_code) {
+  LOG(ERROR) << "Network error while fetching API refresh token: "
+             << response_code;
+  ReportResult(EnrollmentStatus::ForStatus(
+      EnrollmentStatus::STATUS_ROBOT_REFRESH_FETCH_FAILED));
+}
+
 void EnrollmentHandlerChromeOS::WriteInstallAttributes(
     const std::string& user,
     DeviceMode device_mode,