| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.ofbiz.base.crypto; |
| |
| import java.security.MessageDigest; |
| |
| import org.apache.commons.codec.binary.Hex; |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.base.util.GeneralRuntimeException; |
| import org.ofbiz.base.util.StringUtil; |
| import org.ofbiz.base.util.UtilValidate; |
| |
| /** |
| * Utility class for doing SHA-1/MD5 One-Way Hash Encryption |
| * |
| */ |
| public class HashCrypt { |
| |
| public static final String module = HashCrypt.class.getName(); |
| |
| public static String getDigestHash(String str) { |
| return getDigestHash(str, "SHA"); |
| } |
| |
| public static String getDigestHash(String str, String hashType) { |
| if (str == null) return null; |
| try { |
| MessageDigest messagedigest = MessageDigest.getInstance(hashType); |
| byte[] strBytes = str.getBytes(); |
| |
| messagedigest.update(strBytes); |
| byte[] digestBytes = messagedigest.digest(); |
| char[] digestChars = Hex.encodeHex(digestBytes); |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append("{").append(hashType).append("}"); |
| sb.append(digestChars, 0, digestChars.length); |
| return sb.toString(); |
| } catch (Exception e) { |
| throw new GeneralRuntimeException("Error while computing hash of type " + hashType, e); |
| } |
| } |
| |
| public static String getDigestHash(String str, String code, String hashType) { |
| if (str == null) return null; |
| try { |
| byte codeBytes[] = null; |
| |
| if (code == null) codeBytes = str.getBytes(); |
| else codeBytes = str.getBytes(code); |
| MessageDigest messagedigest = MessageDigest.getInstance(hashType); |
| |
| messagedigest.update(codeBytes); |
| byte digestBytes[] = messagedigest.digest(); |
| char[] digestChars = Hex.encodeHex(digestBytes); |
| StringBuilder sb = new StringBuilder(); |
| sb.append("{").append(hashType).append("}"); |
| sb.append(digestChars, 0, digestChars.length); |
| return sb.toString(); |
| } catch (Exception e) { |
| throw new GeneralRuntimeException("Error while computing hash of type " + hashType, e); |
| } |
| } |
| |
| public static String getHashTypeFromPrefix(String hashString) { |
| if (UtilValidate.isEmpty(hashString) || hashString.charAt(0) != '{') { |
| return null; |
| } |
| |
| return hashString.substring(1, hashString.indexOf('}')); |
| } |
| |
| public static String removeHashTypePrefix(String hashString) { |
| if (UtilValidate.isEmpty(hashString) || hashString.charAt(0) != '{') { |
| return hashString; |
| } |
| |
| return hashString.substring(hashString.indexOf('}') + 1); |
| } |
| |
| public static String getDigestHashOldFunnyHexEncode(String str, String hashType) { |
| if (UtilValidate.isEmpty(hashType)) hashType = "SHA"; |
| if (str == null) return null; |
| try { |
| MessageDigest messagedigest = MessageDigest.getInstance(hashType); |
| byte strBytes[] = str.getBytes(); |
| |
| messagedigest.update(strBytes); |
| byte digestBytes[] = messagedigest.digest(); |
| int k = 0; |
| char digestChars[] = new char[digestBytes.length * 2]; |
| |
| for (int l = 0; l < digestBytes.length; l++) { |
| int i1 = digestBytes[l]; |
| |
| if (i1 < 0) { |
| i1 = 127 + i1 * -1; |
| } |
| StringUtil.encodeInt(i1, k, digestChars); |
| k += 2; |
| } |
| |
| return new String(digestChars, 0, digestChars.length); |
| } catch (Exception e) { |
| Debug.logError(e, "Error while computing hash of type " + hashType, module); |
| } |
| return str; |
| } |
| } |