| /* |
| * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.sun.enterprise.universal; |
| |
| |
| import java.io.*; |
| import java.nio.ByteBuffer; |
| |
| public class GFBase64Decoder { // java.util.Base64 is private constructor and so moving/reusing sun.misc.BASE64Decoder |
| |
| private static final char[] pem_array = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'}; |
| private static final byte[] pem_convert_array = new byte[256]; |
| byte[] decode_buffer = new byte[4]; |
| |
| protected int bytesPerAtom() { |
| return 4; |
| } |
| |
| protected int bytesPerLine() { |
| return 72; |
| } |
| |
| protected void decodeAtom(PushbackInputStream var1, OutputStream var2, int var3) throws IOException { |
| byte var5 = -1; |
| byte var6 = -1; |
| byte var7 = -1; |
| byte var8 = -1; |
| if(var3 < 2) { |
| throw new IOException("BASE64Decoder: Not enough bytes for an atom."); |
| } else { |
| int var4; |
| do { |
| var4 = var1.read(); |
| if(var4 == -1) { |
| throw new IOException(); |
| } |
| } while(var4 == 10 || var4 == 13); |
| |
| this.decode_buffer[0] = (byte)var4; |
| var4 = this.readFully(var1, this.decode_buffer, 1, var3 - 1); |
| if(var4 == -1) { |
| throw new IOException(); |
| } else { |
| if(var3 > 3 && this.decode_buffer[3] == 61) { |
| var3 = 3; |
| } |
| |
| if(var3 > 2 && this.decode_buffer[2] == 61) { |
| var3 = 2; |
| } |
| |
| switch(var3) { |
| case 4: |
| var8 = pem_convert_array[this.decode_buffer[3] & 255]; |
| case 3: |
| var7 = pem_convert_array[this.decode_buffer[2] & 255]; |
| case 2: |
| var6 = pem_convert_array[this.decode_buffer[1] & 255]; |
| var5 = pem_convert_array[this.decode_buffer[0] & 255]; |
| default: |
| switch(var3) { |
| case 2: |
| var2.write((byte)(var5 << 2 & 252 | var6 >>> 4 & 3)); |
| break; |
| case 3: |
| var2.write((byte)(var5 << 2 & 252 | var6 >>> 4 & 3)); |
| var2.write((byte)(var6 << 4 & 240 | var7 >>> 2 & 15)); |
| break; |
| case 4: |
| var2.write((byte)(var5 << 2 & 252 | var6 >>> 4 & 3)); |
| var2.write((byte)(var6 << 4 & 240 | var7 >>> 2 & 15)); |
| var2.write((byte)(var7 << 6 & 192 | var8 & 63)); |
| } |
| |
| } |
| } |
| } |
| } |
| |
| static { |
| int var0; |
| for(var0 = 0; var0 < 255; ++var0) { |
| pem_convert_array[var0] = -1; |
| } |
| |
| for(var0 = 0; var0 < pem_array.length; ++var0) { |
| pem_convert_array[pem_array[var0]] = (byte)var0; |
| } |
| |
| } |
| |
| |
| |
| |
| |
| // from CharacterDecoder |
| |
| protected void decodeBufferPrefix(PushbackInputStream var1, OutputStream var2) throws IOException { |
| } |
| |
| protected void decodeBufferSuffix(PushbackInputStream var1, OutputStream var2) throws IOException { |
| } |
| |
| protected int decodeLinePrefix(PushbackInputStream var1, OutputStream var2) throws IOException { |
| return this.bytesPerLine(); |
| } |
| |
| protected void decodeLineSuffix(PushbackInputStream var1, OutputStream var2) throws IOException { |
| } |
| |
| protected int readFully(InputStream var1, byte[] var2, int var3, int var4) throws IOException { |
| for(int var5 = 0; var5 < var4; ++var5) { |
| int var6 = var1.read(); |
| if(var6 == -1) { |
| return var5 == 0?-1:var5; |
| } |
| |
| var2[var5 + var3] = (byte)var6; |
| } |
| |
| return var4; |
| } |
| |
| public void decodeBuffer(InputStream var1, OutputStream var2) throws IOException { |
| int var4 = 0; |
| PushbackInputStream var5 = new PushbackInputStream(var1); |
| this.decodeBufferPrefix(var5, var2); |
| |
| while(true) { |
| try { |
| int var6 = this.decodeLinePrefix(var5, var2); |
| |
| int var3; |
| for(var3 = 0; var3 + this.bytesPerAtom() < var6; var3 += this.bytesPerAtom()) { |
| this.decodeAtom(var5, var2, this.bytesPerAtom()); |
| var4 += this.bytesPerAtom(); |
| } |
| |
| if(var3 + this.bytesPerAtom() == var6) { |
| this.decodeAtom(var5, var2, this.bytesPerAtom()); |
| var4 += this.bytesPerAtom(); |
| } else { |
| this.decodeAtom(var5, var2, var6 - var3); |
| var4 += var6 - var3; |
| } |
| |
| this.decodeLineSuffix(var5, var2); |
| } catch (IOException var8) { |
| this.decodeBufferSuffix(var5, var2); |
| return; |
| } |
| } |
| } |
| |
| public byte[] decodeBuffer(String var1) throws IOException { |
| byte[] var2 = new byte[var1.length()]; |
| var1.getBytes(0, var1.length(), var2, 0); |
| ByteArrayInputStream var3 = new ByteArrayInputStream(var2); |
| ByteArrayOutputStream var4 = new ByteArrayOutputStream(); |
| this.decodeBuffer(var3, var4); |
| return var4.toByteArray(); |
| } |
| |
| public byte[] decodeBuffer(InputStream var1) throws IOException { |
| ByteArrayOutputStream var2 = new ByteArrayOutputStream(); |
| this.decodeBuffer(var1, var2); |
| return var2.toByteArray(); |
| } |
| |
| public ByteBuffer decodeBufferToByteBuffer(String var1) throws IOException { |
| return ByteBuffer.wrap(this.decodeBuffer(var1)); |
| } |
| |
| public ByteBuffer decodeBufferToByteBuffer(InputStream var1) throws IOException { |
| return ByteBuffer.wrap(this.decodeBuffer(var1)); |
| } |
| |
| } |