diff options
Diffstat (limited to 'mobile/android/services/src/main/java/org/mozilla/gecko/sync/crypto/PersistedCrypto5Keys.java')
-rw-r--r-- | mobile/android/services/src/main/java/org/mozilla/gecko/sync/crypto/PersistedCrypto5Keys.java | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/crypto/PersistedCrypto5Keys.java b/mobile/android/services/src/main/java/org/mozilla/gecko/sync/crypto/PersistedCrypto5Keys.java deleted file mode 100644 index 4dba4f258..000000000 --- a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/crypto/PersistedCrypto5Keys.java +++ /dev/null @@ -1,103 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -package org.mozilla.gecko.sync.crypto; - -import org.mozilla.gecko.background.common.log.Logger; -import org.mozilla.gecko.sync.CollectionKeys; -import org.mozilla.gecko.sync.CryptoRecord; - -import android.content.SharedPreferences; - -public class PersistedCrypto5Keys { - public static final String LOG_TAG = "PersistedC5Keys"; - - public static final String CRYPTO5_KEYS_SERVER_RESPONSE_BODY = "crypto5KeysServerResponseBody"; - public static final String CRYPTO5_KEYS_LAST_MODIFIED = "crypto5KeysLastModified"; - - protected SharedPreferences prefs; - protected KeyBundle syncKeyBundle; - - public PersistedCrypto5Keys(SharedPreferences prefs, KeyBundle syncKeyBundle) { - if (syncKeyBundle == null) { - throw new IllegalArgumentException("Null syncKeyBundle passed in to PersistedCrypto5Keys constructor."); - } - this.prefs = prefs; - this.syncKeyBundle = syncKeyBundle; - } - - /** - * Get persisted crypto/keys. - * <p> - * crypto/keys is fetched from an encrypted JSON-encoded <code>CryptoRecord</code>. - * - * @return A <code>CollectionKeys</code> instance or <code>null</code> if none - * is currently persisted. - */ - public CollectionKeys keys() { - String keysJSON = prefs.getString(CRYPTO5_KEYS_SERVER_RESPONSE_BODY, null); - if (keysJSON == null) { - return null; - } - try { - CryptoRecord cryptoRecord = CryptoRecord.fromJSONRecord(keysJSON); - CollectionKeys keys = new CollectionKeys(); - keys.setKeyPairsFromWBO(cryptoRecord, syncKeyBundle); - return keys; - } catch (Exception e) { - Logger.warn(LOG_TAG, "Got exception decrypting persisted crypto/keys.", e); - return null; - } - } - - /** - * Persist crypto/keys. - * <p> - * crypto/keys is stored as an encrypted JSON-encoded <code>CryptoRecord</code>. - * - * @param keys - * The <code>CollectionKeys</code> object to persist, which should - * have the same default key bundle as the sync key bundle. - */ - public void persistKeys(CollectionKeys keys) { - if (keys == null) { - Logger.debug(LOG_TAG, "Clearing persisted crypto/keys."); - prefs.edit().remove(CRYPTO5_KEYS_SERVER_RESPONSE_BODY).commit(); - return; - } - try { - CryptoRecord cryptoRecord = keys.asCryptoRecord(); - cryptoRecord.keyBundle = syncKeyBundle; - cryptoRecord.encrypt(); - String keysJSON = cryptoRecord.toJSONString(); - Logger.debug(LOG_TAG, "Persisting crypto/keys."); - prefs.edit().putString(CRYPTO5_KEYS_SERVER_RESPONSE_BODY, keysJSON).commit(); - } catch (Exception e) { - Logger.warn(LOG_TAG, "Got exception encrypting while persisting crypto/keys.", e); - } - } - - public boolean persistedKeysExist() { - return lastModified() > 0; - } - - public long lastModified() { - return prefs.getLong(CRYPTO5_KEYS_LAST_MODIFIED, -1); - } - - public void persistLastModified(long lastModified) { - if (lastModified <= 0) { - Logger.debug(LOG_TAG, "Clearing persisted crypto/keys last modified timestamp."); - prefs.edit().remove(CRYPTO5_KEYS_LAST_MODIFIED).commit(); - return; - } - Logger.debug(LOG_TAG, "Persisting crypto/keys last modified timestamp " + lastModified + "."); - prefs.edit().putLong(CRYPTO5_KEYS_LAST_MODIFIED, lastModified).commit(); - } - - public void purge() { - persistLastModified(-1); - persistKeys(null); - } -} |