1 files changed, 145 insertions, 0 deletions
diff --git a/java/com/android/incallui/Log.java b/java/com/android/incallui/Log.java
new file mode 100644
index 000000000..c63eccbd4
--- /dev/null
+++ b/java/com/android/incallui/Log.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2013 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.incallui;
+
+import android.net.Uri;
+import android.telecom.PhoneAccount;
+import android.telephony.PhoneNumberUtils;
+import com.android.dialer.common.LogUtil;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/** Manages logging for the entire class. */
+public class Log {
+
+  public static void d(String tag, String msg) {
+    LogUtil.d(tag, msg);
+  }
+
+  public static void d(Object obj, String msg) {
+    LogUtil.d(getPrefix(obj), msg);
+  }
+
+  public static void d(Object obj, String str1, Object str2) {
+    LogUtil.d(getPrefix(obj), str1 + str2);
+  }
+
+  public static void v(Object obj, String msg) {
+    LogUtil.v(getPrefix(obj), msg);
+  }
+
+  public static void v(Object obj, String str1, Object str2) {
+    LogUtil.v(getPrefix(obj), str1 + str2);
+  }
+
+  public static void e(String tag, String msg, Exception e) {
+    LogUtil.e(tag, msg, e);
+  }
+
+  public static void e(String tag, String msg) {
+    LogUtil.e(tag, msg);
+  }
+
+  public static void e(Object obj, String msg, Exception e) {
+    LogUtil.e(getPrefix(obj), msg, e);
+  }
+
+  public static void e(Object obj, String msg) {
+    LogUtil.e(getPrefix(obj), msg);
+  }
+
+  public static void i(String tag, String msg) {
+    LogUtil.i(tag, msg);
+  }
+
+  public static void i(Object obj, String msg) {
+    LogUtil.i(getPrefix(obj), msg);
+  }
+
+  public static void w(Object obj, String msg) {
+    LogUtil.w(getPrefix(obj), msg);
+  }
+
+  public static String piiHandle(Object pii) {
+    if (pii == null || LogUtil.isVerboseEnabled()) {
+      return String.valueOf(pii);
+    }
+
+    if (pii instanceof Uri) {
+      Uri uri = (Uri) pii;
+
+      // All Uri's which are not "tel" go through normal pii() method.
+      if (!PhoneAccount.SCHEME_TEL.equals(uri.getScheme())) {
+        return pii(pii);
+      } else {
+        pii = uri.getSchemeSpecificPart();
+      }
+    }
+
+    String originalString = String.valueOf(pii);
+    StringBuilder stringBuilder = new StringBuilder(originalString.length());
+    for (char c : originalString.toCharArray()) {
+      if (PhoneNumberUtils.isDialable(c)) {
+        stringBuilder.append('*');
+      } else {
+        stringBuilder.append(c);
+      }
+    }
+    return stringBuilder.toString();
+  }
+
+  /**
+   * Redact personally identifiable information for production users. If we are running in verbose
+   * mode, return the original string, otherwise return a SHA-1 hash of the input string.
+   */
+  public static String pii(Object pii) {
+    if (pii == null || LogUtil.isVerboseEnabled()) {
+      return String.valueOf(pii);
+    }
+    return "[" + secureHash(String.valueOf(pii).getBytes()) + "]";
+  }
+
+  private static String secureHash(byte[] input) {
+    MessageDigest messageDigest;
+    try {
+      messageDigest = MessageDigest.getInstance("SHA-1");
+    } catch (NoSuchAlgorithmException e) {
+      return null;
+    }
+    messageDigest.update(input);
+    byte[] result = messageDigest.digest();
+    return encodeHex(result);
+  }
+
+  private static String encodeHex(byte[] bytes) {
+    StringBuffer hex = new StringBuffer(bytes.length * 2);
+
+    for (int i = 0; i < bytes.length; i++) {
+      int byteIntValue = bytes[i] & 0xff;
+      if (byteIntValue < 0x10) {
+        hex.append("0");
+      }
+      hex.append(Integer.toString(byteIntValue, 16));
+    }
+
+    return hex.toString();
+  }
+
+  private static String getPrefix(Object obj) {
+    return (obj == null ? "" : (obj.getClass().getSimpleName()));
+  }
+}