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Diffstat (limited to 'java/com/android/incallui/Log.java')
-rw-r--r-- | java/com/android/incallui/Log.java | 145 |
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())); + } +} |