Changed OAuth token+secret encryption to use supplemental user key.

chrome/browser/chromeos/login/login_utils.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/login/login_utils.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 917 matching lines @@
   }
 
   PrefService* pref_service = user_profile->GetPrefs();
   std::string encoded_token = pref_service->GetString(prefs::kOAuth1Token);
   std::string encoded_secret = pref_service->GetString(prefs::kOAuth1Secret);
   if (!encoded_token.length() || !encoded_secret.length())
     return false;
 
   std::string decoded_token = authenticator_->DecryptToken(encoded_token);
   std::string decoded_secret = authenticator_->DecryptToken(encoded_secret);
-  if (!decoded_token.length() || !decoded_secret.length())
-    return false;
+  if (!decoded_token.length() || !decoded_secret.length()) {
+    // TODO(zelidrag): Remove legacy encryption support in R16.
+    // Check if tokens were encoded with the legacy encryption instead.
+    decoded_token = authenticator_->DecryptLegacyToken(encoded_token);
+    decoded_secret = authenticator_->DecryptLegacyToken(encoded_secret);
+    if (!decoded_token.length() || !decoded_secret.length())
+      return false;
+
+    pref_service->SetString(prefs::kOAuth1Token,
+                            authenticator_->EncryptToken(decoded_token));
+    pref_service->SetString(prefs::kOAuth1Secret,
+                            authenticator_->EncryptToken(decoded_secret));
+  }
 
   *token = decoded_token;
   *secret = decoded_secret;
   return true;
 }
 
 void LoginUtilsImpl::StoreOAuth1AccessToken(Profile* user_profile,
                                             const std::string& token,
                                             const std::string& secret) {
   // First store OAuth1 token + service for the current user profile...
@@ skipping 80 matching lines @@
   // Mark login host for deletion after browser starts.  This
   // guarantees that the message loop will be referenced by the
   // browser before it is dereferenced by the login host.
   if (login_host) {
     login_host->OnSessionStart();
     login_host = NULL;
   }
 }
 
 }  // namespace chromeos