| // Copyright 2017 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_MAC_KEYCHAIN_REAUTHORIZE_H_ |
| #define CHROME_BROWSER_MAC_KEYCHAIN_REAUTHORIZE_H_ |
| |
| #ifdef __OBJC__ |
| @class NSString; |
| #else |
| class NSString; |
| #endif |
| |
| namespace chrome { |
| |
| // Reauthorizes the keychain entry, but only if it's determined that it's |
| // necessary. pref_key is looked up in the system's standard user defaults |
| // (preferences) and it is associated with both the number of previous attempts, |
| // and whether a previous attempt succeeded. Only if a previous attempt did not |
| // succeed, and the number of previous tries is less than max_tries, is |
| // reauthorization attempted. Before the attempt, the preference is |
| // incremented, allowing a finite number of incomplete attempts at performing |
| // the operation. |
| |
| // The system's standard user defaults for the application are used |
| // (~/Library/Preferences/com.google.Chrome.plist, |
| // com.google.Chrome.canary.plist, etc.) instead of Chrome preferences because |
| // Keychain access is tied more closely to the bundle identifier and signed |
| // product than it is to any specific profile (--user-data-dir). |
| void KeychainReauthorizeIfNeeded(NSString* pref_key, int max_tries); |
| |
| } // namespace chrome |
| |
| #endif // CHROME_BROWSER_MAC_KEYCHAIN_REAUTHORIZE_H_ |
