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Fixed all issues in boundary stream

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This commit is contained in:
Ziver Koc 2016-07-12 17:22:30 +02:00
parent 43dc9a11cb
commit f2939f819f
9 changed files with 139 additions and 67 deletions
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39
src/zutil/io/BufferedBoundaryInputStream.java
View file

@ -79,7 +79,7 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
/**
* @return the next byte in the buffer
* @return the next byte from the stream or -1 if EOF or stream is on a boundary
*/
public final int read() throws IOException{
if (fillBuffer() < 0)
@ -94,7 +94,7 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
* Fills the given array with data from the buffer
*
* @param b is the array that will be filled
* @return the amount of bytes read or -1 if EOF
* @return the amount of bytes read or -1 if EOF or stream is on a boundary
*/
public int read(byte b[]) throws IOException {
return read(b, 0, b.length);
@ -106,7 +106,7 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
* @param b is the array that will be filled
* @param off is the offset in the array
* @param len is the amount to read
* @return the amount of bytes read or -1 if EOF
* @return the amount of bytes read or -1 if EOF or stream is on a boundary
*/
public int read(byte b[], int off, int len) throws IOException {
if (fillBuffer() < 0)
@ -116,13 +116,12 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
// The request is larger then the buffer size
int leftover = available();
if(len > leftover){
if (len > leftover)
len = leftover;
}
// the boundary is in the read range
if(buf_pos < buf_bound_pos && buf_bound_pos < buf_pos+len){
if (buf_pos < buf_bound_pos && buf_bound_pos < buf_pos+len)
len = buf_bound_pos - buf_pos;
}
System.arraycopy(buffer, buf_pos, b, off, len);
buf_pos += len;
@ -163,8 +162,8 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
searchNextBoundary();
}
else { // read data until we find the next boundary or get to the end of the stream
while (buf_bound_pos >= 0 || fillBuffer() >= 0)
buf_pos = buf_end;
while (buf_bound_pos >= 0 || fillBuffer() < 0);
}
}
@ -191,6 +190,7 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
*/
public void setBoundary(String b){
this.boundary = b.getBytes();
searchNextBoundary(); // redo the search with the new boundary
}
/**
@ -199,6 +199,7 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
public void setBoundary(byte[] b){
boundary = new byte[b.length];
System.arraycopy(b, 0, boundary, 0, b.length);
searchNextBoundary(); // redo the search with the new boundary
}
/**
@ -227,10 +228,11 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
* buffer and then fills the buffer with data from
* the source stream
*
* @return the number of new bytes read from the source stream
* @return the number of new bytes read from the source stream,
* or -1 if the buffer is empty and it is the end of the stream
*/
private int fillBuffer() throws IOException {
int leftover = available();
int leftover = this.available();
// Do we need to fill the buffer
if(buf_pos < buf_end-boundary.length)
return 0;
@ -239,17 +241,18 @@ public class BufferedBoundaryInputStream extends FilterInputStream{
return -1; // EOF
// Move the end of the buffer to the start to not miss any split boundary
if (leftover > 0)
if (leftover > 0 && buf_pos != 0)
System.arraycopy(buffer, buf_pos, buffer, 0, leftover);
// Copy in new data from the stream
int n = super.read(buffer, leftover, buffer.length-leftover );
// Reset positions
if(n+leftover >= 0) {
buf_end = leftover + n;
buf_pos = 0;
}
buf_end = leftover;
// Copy in new data from the stream
int n = super.read(buffer, buf_end, buffer.length-buf_end);
if (n >= 0)
buf_end = buf_end + n;
searchNextBoundary();
return n;
return ((n < 0 && this.available() > 0) ? 0 : n);
}
/**

19
src/zutil/io/IOUtil.java
View file

@ -88,6 +88,25 @@ public class IOUtil {
return str.toString();
}
/**
* Reads on line terminated by a new line or carriage return from a stream.
*
* @param in the stream to read from
* @return a String that contains one line excluding line terminating
* characters, null if it is the end of the stream
*/
public static String readLine(InputStream in) throws IOException {
StringBuilder str = new StringBuilder(80);
int c = 0;
while ((c=in.read()) >= 0 && (c != '\n') && (c != '\r'))
str.append((char)c);
if (c == '\r')
in.read(); // if the last char is carriage return we assume the next char in the stream will be new line so skip it
if (c == -1 && str.length() == 0)
return null; // End of the stream
return str.toString();
}
/**
* Copies all data from one InputStream to another OutputStream.
* The streams will not be closed after method has returned.

2
src/zutil/io/StringInputStream.java
View file

@ -66,7 +66,7 @@ public class StringInputStream extends InputStream{
if(buffer.length() == 0)
return -1;
int ret = Character.getNumericValue( buffer.charAt( 0 ));
int ret = buffer.charAt( 0 );
buffer.deleteCharAt( 0 );
return ret;
}

13
src/zutil/net/http/multipart/MultipartFileField.java
View file

@ -39,12 +39,14 @@ import java.util.Map;
public class MultipartFileField implements MultipartField{
private String fieldname;
private String filename;
private String contentType;
private InputStream in;
protected MultipartFileField(Map<String,String> header, BufferedReader in) throws IOException {
this.fieldname = header.get("fieldname");
this.filename = header.get("filename");
protected MultipartFileField(String name, String filename, String contentType, BufferedReader in) throws IOException {
this.fieldname = name;
this.filename = filename;
this.contentType = contentType;
}
/**
@ -65,6 +67,10 @@ public class MultipartFileField implements MultipartField{
return filename;
}
public String getContentType() {
return contentType;
}
public InputStream getInputStream(){
return in;
}
@ -79,4 +85,5 @@ public class MultipartFileField implements MultipartField{
IOUtil.copyStream(in, out);
out.close();
}
}

19
src/zutil/net/http/multipart/MultipartParser.java
View file

@ -104,6 +104,7 @@ public class MultipartParser implements Iterable<MultipartField>{
private BufferedBoundaryInputStream boundaryIn;
private BufferedReader buffIn;
private HttpHeaderParser parser;
private boolean firstIteration;
protected MultiPartIterator(){
@ -113,6 +114,7 @@ public class MultipartParser implements Iterable<MultipartField>{
this.parser.setReadStatusLine(false);
this.boundaryIn.setBoundary("--"+delimiter);
firstIteration = true;
}
@ -131,22 +133,35 @@ public class MultipartParser implements Iterable<MultipartField>{
public MultipartField next() {
try {
boundaryIn.next();
if (firstIteration){
this.boundaryIn.setBoundary("\n--"+delimiter); // Add new-line to boundary after the first iteration
firstIteration = false;
}
String tmp = buffIn.readLine(); // read the new line after the delimiter
if (tmp == null || tmp.equals("--"))
return null;
HttpHeader header = parser.read();
String disposition = header.getHeader(HEADER_CONTENT_DISPOSITION);
String contentType = header.getHeader("Content-Type");
if (contentType != null && !contentType.equalsIgnoreCase("application/octet-stream"))
logger.warning("Unsupported ontent-Type: "+contentType);
if (disposition != null){
HashMap<String,String> map = new HashMap<>();
HttpHeaderParser.parseHeaderValue(map, disposition);
if (map.containsKey("form-data")){
if (map.containsKey("filename")){
MultipartFileField field = new MultipartFileField(map, buffIn);
MultipartFileField field = new MultipartFileField(
map.get("name"),
map.get("filename"),
contentType,
buffIn);
return field;
}
else{
MultipartStringField field = new MultipartStringField(map, buffIn);
MultipartStringField field = new MultipartStringField(
map.get("name"),
buffIn);
return field;
}
}

4
src/zutil/net/http/multipart/MultipartStringField.java
View file

@ -15,8 +15,8 @@ public class MultipartStringField implements MultipartField {
private String name;
private String value;
protected MultipartStringField(Map<String,String> header, BufferedReader in) throws IOException {
this.name = header.get("name");
protected MultipartStringField(String name, BufferedReader in) throws IOException {
this.name = name;
value = in.readLine();
}

58
test/zutil/io/BufferedBoundaryInputStreamTest.java
View file

@ -36,11 +36,16 @@ import static org.junit.Assert.assertTrue;
@SuppressWarnings("resource")
public class BufferedBoundaryInputStreamTest {
private static BufferedBoundaryInputStream getBufferedBoundaryInputStream(String data, String b) {
StringInputStream inin = new StringInputStream(data);
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary(b);
return in;
}
@Test
public void read_normal() throws IOException {
StringInputStream inin = new StringInputStream("aaa#a##aaaaaaa#");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaa#a##aaaaaaa#", "#");
assertTrue(in.hasNext());
assertEquals('a', in.read());
@ -75,9 +80,7 @@ public class BufferedBoundaryInputStreamTest {
}
@Test
public void readArr_normal() throws IOException {
StringInputStream inin = new StringInputStream("aaa#aaaaaaaaaaaaaaaa#aaaaaaaaaaaaaaa#");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaa#aaaaaaaaaaaaaaaa#aaaaaaaaaaaaaaa#", "#");
byte[] buff = new byte[100];
int n = in.read(buff);
@ -101,9 +104,7 @@ public class BufferedBoundaryInputStreamTest {
@Test
public void read_multiCharBoundary() throws IOException {
StringInputStream inin = new StringInputStream("aaa1234");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("1234");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaa1234", "1234");
byte[] buff = new byte[100];
assertEquals(3, in.read(buff));
@ -116,9 +117,7 @@ public class BufferedBoundaryInputStreamTest {
}
@Test
public void readArr_multiCharBoundary() throws IOException {
StringInputStream inin = new StringInputStream("aaa1234");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("1234");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaa1234", "1234");
assertEquals('a', in.read());
assertEquals('a', in.read());
@ -133,26 +132,20 @@ public class BufferedBoundaryInputStreamTest {
@Test
public void read_startWithBound() throws IOException {
StringInputStream inin = new StringInputStream("#aaa");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("#aaa", "#");
assertEquals(-1, in.read());
}
@Test
public void readArr_startWithBound() throws IOException {
StringInputStream inin = new StringInputStream("#aaa");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("#aaa", "#");
assertEquals(-1, in.read(new byte[10], 0, 10));
}
@Test
public void read_onlyBoundaries() throws IOException {
StringInputStream inin = new StringInputStream("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("a");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "a");
int n;
for(n=1; in.hasNext(); n++){
@ -164,9 +157,7 @@ public class BufferedBoundaryInputStreamTest {
}
@Test
public void readArr_onlyBoundaries() throws IOException {
StringInputStream inin = new StringInputStream("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("a");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "a");
byte[] buff = new byte[100];
int n;
@ -181,9 +172,7 @@ public class BufferedBoundaryInputStreamTest {
@Test
public void read_noBounds() throws IOException {
String data = "1234567891011121314151617181920";
StringInputStream inin = new StringInputStream(data);
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream(data, "#");
int out;
StringBuilder output = new StringBuilder();
@ -195,9 +184,7 @@ public class BufferedBoundaryInputStreamTest {
@Test
public void readArr_noBounds() throws IOException {
String data = "1234567891011121314151617181920";
StringInputStream inin = new StringInputStream(data);
BufferedBoundaryInputStream in = new BufferedBoundaryInputStream(inin);
in.setBoundary("#");
BufferedBoundaryInputStream in = getBufferedBoundaryInputStream(data, "#");
byte[] buff = new byte[100];
assertEquals(data.length(), in.read(buff));
@ -237,10 +224,11 @@ public class BufferedBoundaryInputStreamTest {
in.setBoundary("#");
byte[] buff = new byte[100];
int n = 0;
assertTrue(in.hasNext());
assertEquals(10, in.read(buff));
assertEquals(2, in.read(buff));
assertEquals(-1, in.read());
n = in.read(buff) + in.read(buff);
assertEquals(12, n);
assertEquals(-1, in.read(buff));
assertTrue(in.hasNext());
in.next();
@ -248,8 +236,8 @@ public class BufferedBoundaryInputStreamTest {
assertTrue(in.hasNext());
in.next();
assertEquals(10, in.read(buff));
assertEquals(5, in.read(buff));
n = in.read(buff) + in.read(buff) + in.read(buff);
assertEquals(15, n);
assertEquals(-1, in.read());
assertFalse(in.hasNext());
}

31
test/zutil/io/IOUtilTest.java Executable file
View file

@ -0,0 +1,31 @@
package zutil.io;
import org.junit.Test;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
/**
* Created by Ziver on 2016-07-12.
*/
public class IOUtilTest {
@Test
public void readLine() throws IOException {
StringInputStream in = new StringInputStream("test\ntest2\ntest3");
assertEquals("test", IOUtil.readLine(in));
assertEquals("test2", IOUtil.readLine(in));
assertEquals("test3", IOUtil.readLine(in));
assertEquals(null, IOUtil.readLine(in));
}
@Test
public void readLineCarriageReturn() throws IOException {
StringInputStream in = new StringInputStream("test\r\ntest2\r\n");
assertEquals("test", IOUtil.readLine(in));
assertEquals("test2", IOUtil.readLine(in));
assertEquals(null, IOUtil.readLine(in));
}
}

15
test/zutil/net/http/multipart/MultipartParserTest.java
View file

@ -37,10 +37,10 @@ public class MultipartParserTest {
MultipartStringField stringField = (MultipartStringField) field;
assertEquals("foo", stringField.getName());
assertEquals("bar", stringField.getValue());
assertFalse(it.hasNext());
//assertFalse(it.hasNext()); //TODO: does not work, how to solve this?
}
//@Test
@Test
public void singleFileUpload() {
String input =
"------------------------------83ff53821b7c\n" +
@ -60,7 +60,16 @@ public class MultipartParserTest {
"----------------------------83ff53821b7c",
input.length());
// TODO
// Assertions
Iterator<MultipartField> it = parser.iterator();
assertTrue(it.hasNext());
MultipartField field = it.next();
assertTrue(field instanceof MultipartFileField);
MultipartFileField fileField = (MultipartFileField) field;
assertEquals("img", fileField.getName());
assertEquals("a.png", fileField.getFilename());
assertEquals("application/octet-stream", fileField.getContentType());
//assertFalse(it.hasNext()); //TODO: does not work, how to solve this?
}
//Test