| /**************************************************************** |
| * 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.apache.james.mime4j.codec; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.UnsupportedEncodingException; |
| |
| import junit.framework.TestCase; |
| |
| public class QuotedPrintableInputStreamTest extends TestCase { |
| |
| public void testBasicDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("=e1=e2=E3=E4\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("\u00e1\u00e2\u00e3\u00e4\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeBufferWrapping() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream( |
| "=e1=e2=E3=E4\r\n=e1=e2=E3=E4\r\n=e1=e2=E3=E4\r\n=e1=e2=E3=E4\r\n=e1=e2=E3=E4\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("\u00e1\u00e2\u00e3\u00e4\r\n\u00e1\u00e2\u00e3\u00e4\r\n\u00e1\u00e2\u00e3" + |
| "\u00e4\r\n\u00e1\u00e2\u00e3\u00e4\r\n\u00e1\u00e2\u00e3\u00e4\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testInvalidValueDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("=e1=g2=E3=E4\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("\u00e1=g2\u00e3\u00e4\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeTrailingBlanks() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream(" =e1 =e2 =E3\t=E4 \t \t \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals(" \u00e1 \u00e2 \u00e3\t\u00e4\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testCanonicalSoftBreakDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Soft line =\r\nHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("Soft line Hard line\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testSoftBreakStrictMode() throws IOException { |
| String input = "<?xml version=3D\"1.0\" standalone=3D\"no\"?>\r\n" + |
| "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/=\r\n" + |
| "SVG/1.1/DTD/svg11.dtd\" >\r\n"; |
| String expected = "<?xml version=\"1.0\" standalone=\"no\"?>\r\n" + |
| "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/" + |
| "SVG/1.1/DTD/svg11.dtd\" >\r\n"; |
| ByteArrayInputStream bis = new ByteArrayInputStream(input.getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis, DecodeMonitor.STRICT); |
| assertEquals(expected, new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testInvalidCR() throws IOException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Invalid=\rCR\rHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("Invalid=\rCR\rHard line\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testInvalidCRStrictMode() throws IOException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Invalid=\rCR\rHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis, DecodeMonitor.STRICT); |
| try { |
| read(decoder); |
| fail("IOException should have been thrown"); |
| } catch (IOException expected) { |
| } |
| } |
| |
| public void testSoftBreakLoneLFDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Soft line =\nHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("Soft line Hard line\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testSpaceBeforeSoftBreakStrictMode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("text before eq sign =\r\n text after LF".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis,DecodeMonitor.STRICT); |
| assertEquals("text before eq sign text after LF", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testSoftBreakTrailingBalnksDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Soft line = \t \r\nHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("Soft line Hard line\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testBrokenSoftBreakDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("Soft line =\rHard line \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("Soft line =\rHard line\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testEscapedEQDecode() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("width==340 height=3d200\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("width=340 height=200\r\n", new String(read(decoder), "ISO8859-1")); |
| // TODO this could be even decoded as width=40 height=200. |
| } |
| |
| public void testBrokenEscapedEQDecode() throws IOException, UnsupportedEncodingException { |
| /* |
| * This isn't valid qp (==) but it is known to occur in certain |
| * messages, especially spam. |
| */ |
| ByteArrayInputStream bis = new ByteArrayInputStream("width==\r\n340 height=3d200\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("width=340 height=200\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testSpacesBeforeEOL() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("some \r\n spaced\t\r\ncontent \t \r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(bis); |
| assertEquals("some\r\n spaced\r\ncontent\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| |
| public void testDecodeEndOfStream1() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("01234567".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("01234567", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeEndOfStream2() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("012345\r".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("012345", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeEndOfStream3() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("012345\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("012345\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeEndOfStream4() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("01234= ".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("01234", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeEndOfStream5() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("01234=\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("01234", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodeEndOfStream6() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = new ByteArrayInputStream("01234\r\n".getBytes("US-ASCII")); |
| QuotedPrintableInputStream decoder = new QuotedPrintableInputStream(6, bis, false); |
| assertEquals("01234\r\n", new String(read(decoder), "ISO8859-1")); |
| } |
| |
| public void testDecodePrematureClose() throws IOException, UnsupportedEncodingException { |
| ByteArrayInputStream bis = null; |
| QuotedPrintableInputStream decoder = null; |
| |
| bis = new ByteArrayInputStream("=e1=e2=E3=E4\r\n".getBytes("US-ASCII")); |
| decoder = new QuotedPrintableInputStream(bis); |
| assertEquals('\u00e1', decoder.read()); |
| assertEquals('\u00e2', decoder.read()); |
| decoder.close(); |
| |
| try { |
| decoder.read(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| |
| private byte[] read(InputStream is) throws IOException { |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| int b; |
| while ((b = is.read()) != -1) { |
| bos.write(b); |
| } |
| return bos.toByteArray(); |
| } |
| } |