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Diffstat (limited to 'chrome/browser/ui/crypto_module_delegate_nss.h')
-rw-r--r-- | chrome/browser/ui/crypto_module_delegate_nss.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/chrome/browser/ui/crypto_module_delegate_nss.h b/chrome/browser/ui/crypto_module_delegate_nss.h new file mode 100644 index 0000000..c99af16 --- /dev/null +++ b/chrome/browser/ui/crypto_module_delegate_nss.h @@ -0,0 +1,80 @@ +// Copyright 2013 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. + +#ifndef CHROME_BROWSER_UI_CRYPTO_MODULE_DELEGATE_NSS_H_ +#define CHROME_BROWSER_UI_CRYPTO_MODULE_DELEGATE_NSS_H_ + +#include <string> + +#include "base/compiler_specific.h" +#include "base/synchronization/waitable_event.h" +#include "chrome/browser/ui/crypto_module_password_dialog.h" +#include "crypto/nss_crypto_module_delegate.h" + +namespace content { +class ResourceContext; +} + +// Delegate to handle unlocking a slot or indicating which slot to store a key +// in. When passing to NSS functions which take a wincx argument, use the value +// returned from the wincx() method. +class ChromeNSSCryptoModuleDelegate + : public crypto::NSSCryptoModuleDelegate { + public: + // Create a ChromeNSSCryptoModuleDelegate. |reason| is used to select what + // string to show the user, |server| is displayed to indicate which connection + // is causing the dialog to appear. + ChromeNSSCryptoModuleDelegate(chrome::CryptoModulePasswordReason reason, + const std::string& server); + + virtual ~ChromeNSSCryptoModuleDelegate(); + + // Must be called on IO thread. Returns true if the delegate is ready for use. + // Otherwise, if |initialization_complete_callback| is non-null, the + // initialization will proceed asynchronously and the callback will be run + // once the delegate is ready to use. In that case, the caller must ensure the + // delegate remains alive until the callback is run. + bool InitializeSlot(content::ResourceContext* context, + const base::Closure& initialization_complete_callback) + WARN_UNUSED_RESULT; + + // crypto::NSSCryptoModuleDelegate implementation. + virtual crypto::ScopedPK11Slot RequestSlot() OVERRIDE; + + // crypto::CryptoModuleBlockingPasswordDelegate implementation. + virtual std::string RequestPassword(const std::string& slot_name, + bool retry, + bool* cancelled) OVERRIDE; + + private: + void ShowDialog(const std::string& slot_name, bool retry); + + void GotPassword(const std::string& password); + + void DidGetSlot(const base::Closure& callback, crypto::ScopedPK11Slot slot); + + // Parameters displayed in the dialog. + const chrome::CryptoModulePasswordReason reason_; + const std::string server_; + + // Event to block worker thread while waiting for dialog on UI thread. + base::WaitableEvent event_; + + // Stores the results from the dialog for access on worker thread. + std::string password_; + bool cancelled_; + + // The slot which will be returned by RequestSlot. + crypto::ScopedPK11Slot slot_; + + DISALLOW_COPY_AND_ASSIGN(ChromeNSSCryptoModuleDelegate); +}; + +// Create a delegate which only handles unlocking slots. +crypto::CryptoModuleBlockingPasswordDelegate* + CreateCryptoModuleBlockingPasswordDelegate( + chrome::CryptoModulePasswordReason reason, + const std::string& server); + +#endif // CHROME_BROWSER_UI_CRYPTO_MODULE_DELEGATE_NSS_H_ |