diff options
Diffstat (limited to 'app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java')
-rw-r--r-- | app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java b/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java deleted file mode 100644 index 0b02276..0000000 --- a/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java +++ /dev/null @@ -1,63 +0,0 @@ -package moe.yuuta.gplicense; - -import android.content.SharedPreferences; - -import com.elvishew.xlog.Logger; -import com.elvishew.xlog.XLog; - -/** - * An wrapper for SharedPreferences that transparently performs data obfuscation. - */ -public class PreferenceObfuscator { - - private static final Logger logger = XLog.tag("PrefObfs").build(); - - private final SharedPreferences mPreferences; - private final Obfuscator mObfuscator; - private SharedPreferences.Editor mEditor; - - /** - * Constructor. - * - * @param sp A SharedPreferences instance provided by the system. - * @param o The Obfuscator to use when reading or writing data. - */ - public PreferenceObfuscator(SharedPreferences sp, Obfuscator o) { - mPreferences = sp; - mObfuscator = o; - mEditor = null; - } - - public void putString(String key, String value) { - if (mEditor == null) { - mEditor = mPreferences.edit(); - } - String obfuscatedValue = mObfuscator.obfuscate(value, key); - mEditor.putString(key, obfuscatedValue); - } - - public String getString(String key, String defValue) { - String result; - String value = mPreferences.getString(key, null); - if (value != null) { - try { - result = mObfuscator.unobfuscate(value, key); - } catch (ValidationException e) { - // Unable to unobfuscate, data corrupt or tampered - logger.w("Validation error while reading preference: " + key); - result = defValue; - } - } else { - // Preference not found - result = defValue; - } - return result; - } - - public void commit() { - if (mEditor != null) { - mEditor.commit(); - mEditor = null; - } - } -}
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