1 files changed, 105 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/PinChangerImpl.java b/java/com/android/voicemail/impl/PinChangerImpl.java
new file mode 100644
index 000000000..8735a2681
--- /dev/null
+++ b/java/com/android/voicemail/impl/PinChangerImpl.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.voicemail.impl;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.net.Network;
+import android.os.Build.VERSION_CODES;
+import android.support.annotation.WorkerThread;
+import android.telecom.PhoneAccountHandle;
+import com.android.dialer.common.Assert;
+import com.android.voicemail.PinChanger;
+import com.android.voicemail.impl.imap.ImapHelper;
+import com.android.voicemail.impl.imap.ImapHelper.InitializingException;
+import com.android.voicemail.impl.mail.MessagingException;
+import com.android.voicemail.impl.sync.VvmNetworkRequest;
+import com.android.voicemail.impl.sync.VvmNetworkRequest.NetworkWrapper;
+import com.android.voicemail.impl.sync.VvmNetworkRequest.RequestFailedException;
+
+@TargetApi(VERSION_CODES.O)
+class PinChangerImpl implements PinChanger {
+
+  private final Context context;
+  private final PhoneAccountHandle phoneAccountHandle;
+
+  private static final String KEY_SCRAMBLED_PIN = "default_old_pin"; // legacy name, DO NOT CHANGE
+
+  PinChangerImpl(Context context, PhoneAccountHandle phoneAccountHandle) {
+    this.context = context;
+    this.phoneAccountHandle = phoneAccountHandle;
+  }
+
+  @WorkerThread
+  @Override
+  @ChangePinResult
+  public int changePin(String oldPin, String newPin) {
+    Assert.isWorkerThread();
+    OmtpVvmCarrierConfigHelper config = new OmtpVvmCarrierConfigHelper(context, phoneAccountHandle);
+    VoicemailStatus.Editor status = VoicemailStatus.edit(context, phoneAccountHandle);
+    try (NetworkWrapper networkWrapper =
+        VvmNetworkRequest.getNetwork(config, phoneAccountHandle, status)) {
+      Network network = networkWrapper.get();
+      try (ImapHelper helper = new ImapHelper(context, phoneAccountHandle, network, status)) {
+        return helper.changePin(oldPin, newPin);
+      } catch (InitializingException | MessagingException e) {
+        VvmLog.e(
+            "VoicemailClientImpl.changePin", "ChangePinNetworkRequestCallback: onAvailable: " + e);
+        return PinChanger.CHANGE_PIN_SYSTEM_ERROR;
+      }
+
+    } catch (RequestFailedException e) {
+      return PinChanger.CHANGE_PIN_SYSTEM_ERROR;
+    }
+  }
+
+  @Override
+  public void setScrambledPin(String pin) {
+    new VisualVoicemailPreferences(context, phoneAccountHandle)
+        .edit()
+        .putString(KEY_SCRAMBLED_PIN, pin)
+        .apply();
+    if (pin == null) {
+      new OmtpVvmCarrierConfigHelper(context, phoneAccountHandle)
+          .handleEvent(
+              VoicemailStatus.edit(context, phoneAccountHandle), OmtpEvents.CONFIG_PIN_SET);
+    }
+  }
+
+  @Override
+  public String getScrambledPin() {
+    return new VisualVoicemailPreferences(context, phoneAccountHandle).getString(KEY_SCRAMBLED_PIN);
+  }
+
+  @Override
+  public PinSpecification getPinSpecification() {
+    PinSpecification result = new PinSpecification();
+    VisualVoicemailPreferences preferences =
+        new VisualVoicemailPreferences(context, phoneAccountHandle);
+    // The OMTP pin length format is {min}-{max}
+    String[] lengths = preferences.getString(OmtpConstants.TUI_PASSWORD_LENGTH, "").split("-");
+    if (lengths.length == 2) {
+      try {
+        result.minLength = Integer.parseInt(lengths[0]);
+        result.maxLength = Integer.parseInt(lengths[1]);
+      } catch (NumberFormatException e) {
+        // do nothing, return default value;
+      }
+    }
+    return result;
+  }
+}