| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.impl.io; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.hc.core5.function.Supplier; |
| import org.apache.hc.core5.http.ConnectionClosedException; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.MalformedChunkCodingException; |
| import org.apache.hc.core5.http.MessageConstraintException; |
| import org.apache.hc.core5.http.StreamClosedException; |
| import org.apache.hc.core5.http.TruncatedChunkException; |
| import org.apache.hc.core5.http.io.SessionInputBuffer; |
| import org.apache.hc.core5.http.io.SessionOutputBuffer; |
| import org.apache.hc.core5.http.message.BasicHeader; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestChunkCoding { |
| |
| private final static String CHUNKED_INPUT |
| = "10;key=\"value\"\r\n1234567890123456\r\n5\r\n12345\r\n0\r\nFooter1: abcde\r\nFooter2: fghij\r\n"; |
| |
| private final static String CHUNKED_RESULT |
| = "123456789012345612345"; |
| |
| @Test |
| public void testChunkedInputStreamLargeBuffer() throws IOException { |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(CHUNKED_INPUT.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] buffer = new byte[300]; |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| int len; |
| while ((len = in.read(buffer)) > 0) { |
| out.write(buffer, 0, len); |
| } |
| Assert.assertEquals(-1, in.read(buffer)); |
| Assert.assertEquals(-1, in.read(buffer)); |
| |
| in.close(); |
| |
| final String result = new String(out.toByteArray(), StandardCharsets.ISO_8859_1); |
| Assert.assertEquals(result, CHUNKED_RESULT); |
| |
| final Header[] footers = in.getFooters(); |
| Assert.assertNotNull(footers); |
| Assert.assertEquals(2, footers.length); |
| Assert.assertEquals("Footer1", footers[0].getName()); |
| Assert.assertEquals("abcde", footers[0].getValue()); |
| Assert.assertEquals("Footer2", footers[1].getName()); |
| Assert.assertEquals("fghij", footers[1].getValue()); |
| } |
| |
| //Test for when buffer is smaller than chunk size. |
| @Test |
| public void testChunkedInputStreamSmallBuffer() throws IOException { |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(CHUNKED_INPUT.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| |
| final byte[] buffer = new byte[7]; |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| int len; |
| while ((len = in.read(buffer)) > 0) { |
| out.write(buffer, 0, len); |
| } |
| Assert.assertEquals(-1, in.read(buffer)); |
| Assert.assertEquals(-1, in.read(buffer)); |
| |
| in.close(); |
| |
| final Header[] footers = in.getFooters(); |
| Assert.assertNotNull(footers); |
| Assert.assertEquals(2, footers.length); |
| Assert.assertEquals("Footer1", footers[0].getName()); |
| Assert.assertEquals("abcde", footers[0].getValue()); |
| Assert.assertEquals("Footer2", footers[1].getName()); |
| Assert.assertEquals("fghij", footers[1].getValue()); |
| } |
| |
| // One byte read |
| @Test |
| public void testChunkedInputStreamOneByteRead() throws IOException { |
| final String s = "5\r\n01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| int ch; |
| int i = '0'; |
| while ((ch = in.read()) != -1) { |
| Assert.assertEquals(i, ch); |
| i++; |
| } |
| Assert.assertEquals(-1, in.read()); |
| Assert.assertEquals(-1, in.read()); |
| |
| in.close(); |
| } |
| |
| @Test |
| public void testAvailable() throws IOException { |
| final String s = "5\r\n12345\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| Assert.assertEquals(0, in.available()); |
| in.read(); |
| Assert.assertEquals(4, in.available()); |
| in.close(); |
| } |
| |
| @Test |
| public void testChunkedInputStreamClose() throws IOException { |
| final String s = "5\r\n01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| in.close(); |
| in.close(); |
| try { |
| in.read(); |
| Assert.fail("StreamClosedException expected"); |
| } catch (final StreamClosedException expected) { |
| } |
| final byte[] tmp = new byte[10]; |
| try { |
| in.read(tmp); |
| Assert.fail("StreamClosedException expected"); |
| } catch (final StreamClosedException expected) { |
| } |
| try { |
| in.read(tmp, 0, tmp.length); |
| Assert.fail("StreamClosedException expected"); |
| } catch (final StreamClosedException expected) { |
| } |
| } |
| |
| // Missing closing chunk |
| @Test(expected=ConnectionClosedException.class) |
| public void testChunkedInputStreamNoClosingChunk() throws IOException { |
| final String s = "5\r\n01234\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] tmp = new byte[5]; |
| Assert.assertEquals(5, in.read(tmp)); |
| in.read(); |
| in.close(); |
| } |
| |
| // Truncated stream (missing closing CRLF) |
| @Test(expected=MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamTruncatedCRLF() throws IOException { |
| final String s = "5\r\n01234"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] tmp = new byte[5]; |
| Assert.assertEquals(5, in.read(tmp)); |
| in.read(); |
| in.close(); |
| } |
| |
| // Missing \r\n at the end of the first chunk |
| @Test(expected=MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamMissingCRLF() throws IOException { |
| final String s = "5\r\n012345\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] buffer = new byte[300]; |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| int len; |
| while ((len = in.read(buffer)) > 0) { |
| out.write(buffer, 0, len); |
| } |
| in.close(); |
| } |
| |
| // Missing LF |
| @Test(expected=MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamMissingLF() throws IOException { |
| final String s = "5\r01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| in.read(); |
| in.close(); |
| } |
| |
| // Invalid chunk size |
| @Test(expected = MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamInvalidSize() throws IOException { |
| final String s = "whatever\r\n01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| in.read(); |
| in.close(); |
| } |
| |
| // Negative chunk size |
| @Test(expected = MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamNegativeSize() throws IOException { |
| final String s = "-5\r\n01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| in.read(); |
| in.close(); |
| } |
| |
| // Truncated chunk |
| @Test(expected = TruncatedChunkException.class) |
| public void testCorruptChunkedInputStreamTruncatedChunk() throws IOException { |
| final String s = "3\r\n12"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] buffer = new byte[300]; |
| Assert.assertEquals(2, in.read(buffer)); |
| in.read(buffer); |
| in.close(); |
| } |
| |
| // Invalid footer |
| @Test(expected = MalformedChunkCodingException.class) |
| public void testCorruptChunkedInputStreamInvalidFooter() throws IOException { |
| final String s = "1\r\n0\r\n0\r\nstuff\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| in.read(); |
| in.read(); |
| in.close(); |
| } |
| |
| @Test |
| public void testCorruptChunkedInputStreamClose() throws IOException { |
| final String s = "whatever\r\n01234\r\n5\r\n56789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| try { |
| in.read(); |
| Assert.fail("MalformedChunkCodingException expected"); |
| } catch (final MalformedChunkCodingException ex) { |
| } |
| in.close(); |
| } |
| |
| @Test |
| public void testEmptyChunkedInputStream() throws IOException { |
| final String s = "0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| final byte[] buffer = new byte[300]; |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| int len; |
| while ((len = in.read(buffer)) > 0) { |
| out.write(buffer, 0, len); |
| } |
| Assert.assertEquals(0, out.size()); |
| in.close(); |
| } |
| |
| @Test |
| public void testTooLongChunkHeader() throws IOException { |
| final String s = "5; and some very looooong commend\r\n12345\r\n0\r\n"; |
| final SessionInputBuffer inBuffer1 = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream1 = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in1 = new ChunkedInputStream(inBuffer1, inputStream1); |
| final byte[] buffer = new byte[300]; |
| Assert.assertEquals(5, in1.read(buffer)); |
| in1.close(); |
| |
| final SessionInputBuffer inBuffer2 = new SessionInputBufferImpl(16, 10); |
| final ByteArrayInputStream inputStream2 = new ByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| try (ChunkedInputStream in2 = new ChunkedInputStream(inBuffer2, inputStream2)) { |
| in2.read(buffer); |
| Assert.fail("MessageConstraintException expected"); |
| } catch (final MessageConstraintException ex) { |
| } |
| } |
| |
| @Test |
| public void testChunkedOutputStreamClose() throws IOException { |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2048); |
| out.close(); |
| out.close(); |
| try { |
| out.write(new byte[] {1,2,3}); |
| Assert.fail("IOException should have been thrown"); |
| } catch (final IOException ex) { |
| // expected |
| } |
| try { |
| out.write(1); |
| Assert.fail("IOException should have been thrown"); |
| } catch (final IOException ex) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void testChunkedConsistence() throws IOException { |
| final String input = "76126;27823abcd;:q38a-\nkjc\rk%1ad\tkh/asdui\r\njkh+?\\suweb"; |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2048); |
| out.write(input.getBytes(StandardCharsets.ISO_8859_1)); |
| out.flush(); |
| out.close(); |
| out.close(); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray()); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| |
| final byte[] d = new byte[10]; |
| final ByteArrayOutputStream result = new ByteArrayOutputStream(); |
| int len = 0; |
| while ((len = in.read(d)) > 0) { |
| result.write(d, 0, len); |
| } |
| |
| final String output = new String(result.toByteArray(), StandardCharsets.ISO_8859_1); |
| Assert.assertEquals(input, output); |
| in.close(); |
| } |
| |
| @Test |
| public void testChunkedOutputStreamWithTrailers() throws IOException { |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2, new Supplier<List<? extends Header>>() { |
| @Override |
| public List<? extends Header> get() { |
| return Arrays.asList( |
| new BasicHeader("E", ""), |
| new BasicHeader("Y", "Z")); |
| } |
| } |
| ); |
| out.write('x'); |
| out.finish(); |
| out.close(); |
| |
| final String content = new String(outputStream.toByteArray(), StandardCharsets.US_ASCII); |
| Assert.assertEquals("1\r\nx\r\n0\r\nE: \r\nY: Z\r\n\r\n", content); |
| } |
| |
| @Test |
| public void testChunkedOutputStream() throws IOException { |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2); |
| out.write('1'); |
| out.write('2'); |
| out.write('3'); |
| out.write('4'); |
| out.finish(); |
| out.close(); |
| |
| final String content = new String(outputStream.toByteArray(), StandardCharsets.US_ASCII); |
| Assert.assertEquals("2\r\n12\r\n2\r\n34\r\n0\r\n\r\n", content); |
| } |
| |
| @Test |
| public void testChunkedOutputStreamLargeChunk() throws IOException { |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2); |
| out.write(new byte[] {'1', '2', '3', '4'}); |
| out.finish(); |
| out.close(); |
| |
| final String content = new String(outputStream.toByteArray(), StandardCharsets.US_ASCII); |
| Assert.assertEquals("4\r\n1234\r\n0\r\n\r\n", content); |
| } |
| |
| @Test |
| public void testChunkedOutputStreamSmallChunk() throws IOException { |
| final SessionOutputBuffer outbuffer = new SessionOutputBufferImpl(16); |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| final ChunkedOutputStream out = new ChunkedOutputStream(outbuffer, outputStream, 2); |
| out.write('1'); |
| out.finish(); |
| out.close(); |
| |
| final String content = new String(outputStream.toByteArray(), StandardCharsets.US_ASCII); |
| Assert.assertEquals("1\r\n1\r\n0\r\n\r\n", content); |
| } |
| |
| @Test |
| public void testResumeOnSocketTimeoutInData() throws IOException { |
| final String s = "5\r\n01234\r\n5\r\n5\0006789\r\na\r\n0123\000456789\r\n0\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final TimeoutByteArrayInputStream inputStream = new TimeoutByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| |
| final byte[] tmp = new byte[3]; |
| |
| int bytesRead = 0; |
| int timeouts = 0; |
| |
| int i = 0; |
| while (i != -1) { |
| try { |
| i = in.read(tmp); |
| if (i > 0) { |
| bytesRead += i; |
| } |
| } catch (final InterruptedIOException ex) { |
| timeouts++; |
| } |
| } |
| Assert.assertEquals(20, bytesRead); |
| Assert.assertEquals(2, timeouts); |
| in.close(); |
| } |
| |
| @Test |
| public void testResumeOnSocketTimeoutInChunk() throws IOException { |
| final String s = "5\000\r\000\n\00001234\r\n\0005\r\n56789\r\na\r\n0123456789\r\n\0000\r\n"; |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final TimeoutByteArrayInputStream inputStream = new TimeoutByteArrayInputStream(s.getBytes(StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| |
| final byte[] tmp = new byte[3]; |
| |
| int bytesRead = 0; |
| int timeouts = 0; |
| |
| int i = 0; |
| while (i != -1) { |
| try { |
| i = in.read(tmp); |
| if (i > 0) { |
| bytesRead += i; |
| } |
| } catch (final InterruptedIOException ex) { |
| timeouts++; |
| } |
| } |
| Assert.assertEquals(20, bytesRead); |
| Assert.assertEquals(5, timeouts); |
| in.close(); |
| } |
| |
| // Test for when buffer is larger than chunk size |
| @Test |
| public void testHugeChunk() throws IOException { |
| |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream("1234567890abcdef\r\n01234567".getBytes( |
| StandardCharsets.ISO_8859_1)); |
| final ChunkedInputStream in = new ChunkedInputStream(inBuffer, inputStream); |
| |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| for (int i = 0; i < 8; ++i) { |
| out.write(in.read()); |
| } |
| |
| final String result = new String(out.toByteArray(), StandardCharsets.ISO_8859_1); |
| Assert.assertEquals("01234567", result); |
| } |
| |
| } |
| |