diff --git a/jetty-http/pom.xml b/jetty-http/pom.xml index 2d0b5735314..cae6d2d1cbb 100644 --- a/jetty-http/pom.xml +++ b/jetty-http/pom.xml @@ -23,6 +23,11 @@ jetty-io ${project.version} + + javax.servlet + javax.servlet-api + provided + org.eclipse.jetty.toolchain jetty-test-helper diff --git a/jetty-http/src/main/java/org/eclipse/jetty/http/MultiPartInputStreamParser.java b/jetty-http/src/main/java/org/eclipse/jetty/http/MultiPartInputStreamParser.java new file mode 100644 index 00000000000..01703a8785f --- /dev/null +++ b/jetty-http/src/main/java/org/eclipse/jetty/http/MultiPartInputStreamParser.java @@ -0,0 +1,928 @@ +// +// ======================================================================== +// Copyright (c) 1995-2018 Mort Bay Consulting Pty. Ltd. +// ------------------------------------------------------------------------ +// All rights reserved. This program and the accompanying materials +// are made available under the terms of the Eclipse Public License v1.0 +// and Apache License v2.0 which accompanies this distribution. +// +// The Eclipse Public License is available at +// http://www.eclipse.org/legal/epl-v10.html +// +// The Apache License v2.0 is available at +// http://www.opensource.org/licenses/apache2.0.php +// +// You may elect to redistribute this code under either of these licenses. +// ======================================================================== +// + +package org.eclipse.jetty.http; + +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.FilterInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.StandardCopyOption; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +import java.util.Locale; +import java.util.Map; + +import javax.servlet.MultipartConfigElement; +import javax.servlet.ServletInputStream; +import javax.servlet.http.Part; + +import org.eclipse.jetty.util.B64Code; +import org.eclipse.jetty.util.ByteArrayOutputStream2; +import org.eclipse.jetty.util.LazyList; +import org.eclipse.jetty.util.MultiException; +import org.eclipse.jetty.util.MultiMap; +import org.eclipse.jetty.util.QuotedStringTokenizer; +import org.eclipse.jetty.util.ReadLineInputStream; +import org.eclipse.jetty.util.log.Log; +import org.eclipse.jetty.util.log.Logger; + + + +/** + * MultiPartInputStream + * + * Handle a MultiPart Mime input stream, breaking it up on the boundary into files and strings. + */ +public class MultiPartInputStreamParser +{ + private static final Logger LOG = Log.getLogger(MultiPartInputStreamParser.class); + public static final MultipartConfigElement __DEFAULT_MULTIPART_CONFIG = new MultipartConfigElement(System.getProperty("java.io.tmpdir")); + public static final MultiMap EMPTY_MAP = new MultiMap<>(Collections.emptyMap()); + protected InputStream _in; + protected MultipartConfigElement _config; + protected String _contentType; + protected MultiMap _parts; + protected Exception _err; + protected File _tmpDir; + protected File _contextTmpDir; + protected boolean _deleteOnExit; + protected boolean _writeFilesWithFilenames; + + + + public class MultiPart implements Part + { + protected String _name; + protected String _filename; + protected File _file; + protected OutputStream _out; + protected ByteArrayOutputStream2 _bout; + protected String _contentType; + protected MultiMap _headers; + protected long _size = 0; + protected boolean _temporary = true; + + public MultiPart (String name, String filename) + throws IOException + { + _name = name; + _filename = filename; + } + + @Override + public String toString() + { + return String.format("Part{n=%s,fn=%s,ct=%s,s=%d,t=%b,f=%s}",_name,_filename,_contentType,_size,_temporary,_file); + } + protected void setContentType (String contentType) + { + _contentType = contentType; + } + + + protected void open() + throws IOException + { + //We will either be writing to a file, if it has a filename on the content-disposition + //and otherwise a byte-array-input-stream, OR if we exceed the getFileSizeThreshold, we + //will need to change to write to a file. + if (isWriteFilesWithFilenames() && _filename != null && _filename.trim().length() > 0) + { + createFile(); + } + else + { + //Write to a buffer in memory until we discover we've exceed the + //MultipartConfig fileSizeThreshold + _out = _bout= new ByteArrayOutputStream2(); + } + } + + protected void close() + throws IOException + { + _out.close(); + } + + + protected void write (int b) + throws IOException + { + if (MultiPartInputStreamParser.this._config.getMaxFileSize() > 0 && _size + 1 > MultiPartInputStreamParser.this._config.getMaxFileSize()) + throw new IllegalStateException ("Multipart Mime part "+_name+" exceeds max filesize"); + + if (MultiPartInputStreamParser.this._config.getFileSizeThreshold() > 0 && _size + 1 > MultiPartInputStreamParser.this._config.getFileSizeThreshold() && _file==null) + createFile(); + + _out.write(b); + _size ++; + } + + protected void write (byte[] bytes, int offset, int length) + throws IOException + { + if (MultiPartInputStreamParser.this._config.getMaxFileSize() > 0 && _size + length > MultiPartInputStreamParser.this._config.getMaxFileSize()) + throw new IllegalStateException ("Multipart Mime part "+_name+" exceeds max filesize"); + + if (MultiPartInputStreamParser.this._config.getFileSizeThreshold() > 0 && _size + length > MultiPartInputStreamParser.this._config.getFileSizeThreshold() && _file==null) + createFile(); + + _out.write(bytes, offset, length); + _size += length; + } + + protected void createFile () + throws IOException + { + /* Some statics just to make the code below easier to understand + * This get optimized away during the compile anyway */ + final boolean USER = true; + final boolean WORLD = false; + + _file = File.createTempFile("MultiPart", "", MultiPartInputStreamParser.this._tmpDir); + _file.setReadable(false,WORLD); // (reset) disable it for everyone first + _file.setReadable(true,USER); // enable for user only + + if (_deleteOnExit) + _file.deleteOnExit(); + FileOutputStream fos = new FileOutputStream(_file); + BufferedOutputStream bos = new BufferedOutputStream(fos); + + if (_size > 0 && _out != null) + { + //already written some bytes, so need to copy them into the file + _out.flush(); + _bout.writeTo(bos); + _out.close(); + _bout = null; + } + _out = bos; + } + + + + protected void setHeaders(MultiMap headers) + { + _headers = headers; + } + + /** + * @see javax.servlet.http.Part#getContentType() + */ + @Override + public String getContentType() + { + return _contentType; + } + + /** + * @see javax.servlet.http.Part#getHeader(java.lang.String) + */ + @Override + public String getHeader(String name) + { + if (name == null) + return null; + return _headers.getValue(name.toLowerCase(Locale.ENGLISH), 0); + } + + /** + * @see javax.servlet.http.Part#getHeaderNames() + */ + @Override + public Collection getHeaderNames() + { + return _headers.keySet(); + } + + /** + * @see javax.servlet.http.Part#getHeaders(java.lang.String) + */ + @Override + public Collection getHeaders(String name) + { + return _headers.getValues(name); + } + + /** + * @see javax.servlet.http.Part#getInputStream() + */ + @Override + public InputStream getInputStream() throws IOException + { + if (_file != null) + { + //written to a file, whether temporary or not + return new BufferedInputStream (new FileInputStream(_file)); + } + else + { + //part content is in memory + return new ByteArrayInputStream(_bout.getBuf(),0,_bout.size()); + } + } + + + /** + * @see javax.servlet.http.Part#getSubmittedFileName() + */ + @Override + public String getSubmittedFileName() + { + return getContentDispositionFilename(); + } + + public byte[] getBytes() + { + if (_bout!=null) + return _bout.toByteArray(); + return null; + } + + /** + * @see javax.servlet.http.Part#getName() + */ + @Override + public String getName() + { + return _name; + } + + /** + * @see javax.servlet.http.Part#getSize() + */ + @Override + public long getSize() + { + return _size; + } + + /** + * @see javax.servlet.http.Part#write(java.lang.String) + */ + @Override + public void write(String fileName) throws IOException + { + if (_file == null) + { + _temporary = false; + + //part data is only in the ByteArrayOutputStream and never been written to disk + _file = new File (_tmpDir, fileName); + + BufferedOutputStream bos = null; + try + { + bos = new BufferedOutputStream(new FileOutputStream(_file)); + _bout.writeTo(bos); + bos.flush(); + } + finally + { + if (bos != null) + bos.close(); + _bout = null; + } + } + else + { + //the part data is already written to a temporary file, just rename it + _temporary = false; + + Path src = _file.toPath(); + Path target = src.resolveSibling(fileName); + Files.move(src, target, StandardCopyOption.REPLACE_EXISTING); + _file = target.toFile(); + } + } + + /** + * Remove the file, whether or not Part.write() was called on it + * (ie no longer temporary) + * @see javax.servlet.http.Part#delete() + */ + @Override + public void delete() throws IOException + { + if (_file != null && _file.exists()) + _file.delete(); + } + + /** + * Only remove tmp files. + * + * @throws IOException if unable to delete the file + */ + public void cleanUp() throws IOException + { + if (_temporary && _file != null && _file.exists()) + _file.delete(); + } + + + /** + * Get the file + * @return the file, if any, the data has been written to. + */ + public File getFile () + { + return _file; + } + + + /** + * Get the filename from the content-disposition. + * @return null or the filename + */ + public String getContentDispositionFilename () + { + return _filename; + } + } + + + + + /** + * @param in Request input stream + * @param contentType Content-Type header + * @param config MultipartConfigElement + * @param contextTmpDir javax.servlet.context.tempdir + */ + public MultiPartInputStreamParser (InputStream in, String contentType, MultipartConfigElement config, File contextTmpDir) + { + _contentType = contentType; + _config = config; + _contextTmpDir = contextTmpDir; + if (_contextTmpDir == null) + _contextTmpDir = new File (System.getProperty("java.io.tmpdir")); + + if (_config == null) + _config = new MultipartConfigElement(_contextTmpDir.getAbsolutePath()); + + if (in instanceof ServletInputStream) + { + if (((ServletInputStream)in).isFinished()) + { + _parts = EMPTY_MAP; + return; + } + } + _in = new ReadLineInputStream(in); + } + + /** + * Get the already parsed parts. + * @return the parts that were parsed + */ + public Collection getParsedParts() + { + if (_parts == null) + return Collections.emptyList(); + + Collection> values = _parts.values(); + List parts = new ArrayList<>(); + for (List o: values) + { + List asList = LazyList.getList(o, false); + parts.addAll(asList); + } + return parts; + } + + /** + * Delete any tmp storage for parts, and clear out the parts list. + * + * @throws MultiException if unable to delete the parts + */ + public void deleteParts () + throws MultiException + { + Collection parts = getParsedParts(); + MultiException err = new MultiException(); + for (Part p:parts) + { + try + { + ((MultiPartInputStreamParser.MultiPart)p).cleanUp(); + } + catch(Exception e) + { + err.add(e); + } + } + _parts.clear(); + + err.ifExceptionThrowMulti(); + } + + + /** + * Parse, if necessary, the multipart data and return the list of Parts. + * + * @return the parts + * @throws IOException if unable to get the parts + */ + public Collection getParts() + throws IOException + { + parse(); + throwIfError(); + + + Collection> values = _parts.values(); + List parts = new ArrayList<>(); + for (List o: values) + { + List asList = LazyList.getList(o, false); + parts.addAll(asList); + } + return parts; + } + + + /** + * Get the named Part. + * + * @param name the part name + * @return the parts + * @throws IOException if unable to get the part + */ + public Part getPart(String name) + throws IOException + { + parse(); + throwIfError(); + return _parts.getValue(name, 0); + } + + /** + * Throws an exception if one has been latched. + * + * @throws IOException the exception (if present) + */ + protected void throwIfError () + throws IOException + { + if (_err != null) + { + if (_err instanceof IOException) + throw (IOException)_err; + if (_err instanceof IllegalStateException) + throw (IllegalStateException)_err; + throw new IllegalStateException(_err); + } + } + + /** + * Parse, if necessary, the multipart stream. + * + */ + protected void parse () + { + //have we already parsed the input? + if (_parts != null || _err != null) + return; + + + //initialize + long total = 0; //keep running total of size of bytes read from input and throw an exception if exceeds MultipartConfigElement._maxRequestSize + _parts = new MultiMap<>(); + + //if its not a multipart request, don't parse it + if (_contentType == null || !_contentType.startsWith("multipart/form-data")) + return; + + try + { + //sort out the location to which to write the files + + if (_config.getLocation() == null) + _tmpDir = _contextTmpDir; + else if ("".equals(_config.getLocation())) + _tmpDir = _contextTmpDir; + else + { + File f = new File (_config.getLocation()); + if (f.isAbsolute()) + _tmpDir = f; + else + _tmpDir = new File (_contextTmpDir, _config.getLocation()); + } + + if (!_tmpDir.exists()) + _tmpDir.mkdirs(); + + String contentTypeBoundary = ""; + int bstart = _contentType.indexOf("boundary="); + if (bstart >= 0) + { + int bend = _contentType.indexOf(";", bstart); + bend = (bend < 0? _contentType.length(): bend); + contentTypeBoundary = QuotedStringTokenizer.unquote(value(_contentType.substring(bstart,bend)).trim()); + } + + String boundary="--"+contentTypeBoundary; + String lastBoundary=boundary+"--"; + byte[] byteBoundary=lastBoundary.getBytes(StandardCharsets.ISO_8859_1); + + // Get first boundary + String line = null; + try + { + line=((ReadLineInputStream)_in).readLine(); + } + catch (IOException e) + { + LOG.warn("Badly formatted multipart request"); + throw e; + } + + if (line == null) + throw new IOException("Missing content for multipart request"); + + boolean badFormatLogged = false; + line=line.trim(); + while (line != null && !line.equals(boundary) && !line.equals(lastBoundary)) + { + if (!badFormatLogged) + { + LOG.warn("Badly formatted multipart request"); + badFormatLogged = true; + } + line=((ReadLineInputStream)_in).readLine(); + line=(line==null?line:line.trim()); + } + + if (line == null || line.length() == 0) + throw new IOException("Missing initial multi part boundary"); + + // Empty multipart. + if (line.equals(lastBoundary)) + return; + + // Read each part + boolean lastPart=false; + + outer:while(!lastPart) + { + String contentDisposition=null; + String contentType=null; + String contentTransferEncoding=null; + + MultiMap headers = new MultiMap<>(); + while(true) + { + line=((ReadLineInputStream)_in).readLine(); + + //No more input + if(line==null) + break outer; + + //end of headers: + if("".equals(line)) + break; + + total += line.length(); + if (_config.getMaxRequestSize() > 0 && total > _config.getMaxRequestSize()) + throw new IllegalStateException ("Request exceeds maxRequestSize ("+_config.getMaxRequestSize()+")"); + + //get content-disposition and content-type + int c=line.indexOf(':',0); + if(c>0) + { + String key=line.substring(0,c).trim().toLowerCase(Locale.ENGLISH); + String value=line.substring(c+1,line.length()).trim(); + headers.put(key, value); + if (key.equalsIgnoreCase("content-disposition")) + contentDisposition=value; + if (key.equalsIgnoreCase("content-type")) + contentType = value; + if(key.equals("content-transfer-encoding")) + contentTransferEncoding=value; + } + } + + // Extract content-disposition + boolean form_data=false; + if(contentDisposition==null) + { + throw new IOException("Missing content-disposition"); + } + + QuotedStringTokenizer tok=new QuotedStringTokenizer(contentDisposition,";", false, true); + String name=null; + String filename=null; + while(tok.hasMoreTokens()) + { + String t=tok.nextToken().trim(); + String tl=t.toLowerCase(Locale.ENGLISH); + if(t.startsWith("form-data")) + form_data=true; + else if(tl.startsWith("name=")) + name=value(t); + else if(tl.startsWith("filename=")) + filename=filenameValue(t); + } + + // Check disposition + if(!form_data) + { + continue; + } + //It is valid for reset and submit buttons to have an empty name. + //If no name is supplied, the browser skips sending the info for that field. + //However, if you supply the empty string as the name, the browser sends the + //field, with name as the empty string. So, only continue this loop if we + //have not yet seen a name field. + if(name==null) + { + continue; + } + + //Have a new Part + MultiPart part = new MultiPart(name, filename); + part.setHeaders(headers); + part.setContentType(contentType); + _parts.add(name, part); + part.open(); + + InputStream partInput = null; + if ("base64".equalsIgnoreCase(contentTransferEncoding)) + { + partInput = new Base64InputStream((ReadLineInputStream)_in); + } + else if ("quoted-printable".equalsIgnoreCase(contentTransferEncoding)) + { + partInput = new FilterInputStream(_in) + { + @Override + public int read() throws IOException + { + int c = in.read(); + if (c >= 0 && c == '=') + { + int hi = in.read(); + int lo = in.read(); + if (hi < 0 || lo < 0) + { + throw new IOException("Unexpected end to quoted-printable byte"); + } + char[] chars = new char[] { (char)hi, (char)lo }; + c = Integer.parseInt(new String(chars),16); + } + return c; + } + }; + } + else + partInput = _in; + + + try + { + int state=-2; + int c; + boolean cr=false; + boolean lf=false; + + // loop for all lines + while(true) + { + int b=0; + while((c=(state!=-2)?state:partInput.read())!=-1) + { + total ++; + if (_config.getMaxRequestSize() > 0 && total > _config.getMaxRequestSize()) + throw new IllegalStateException("Request exceeds maxRequestSize ("+_config.getMaxRequestSize()+")"); + + state=-2; + + // look for CR and/or LF + if(c==13||c==10) + { + if(c==13) + { + partInput.mark(1); + int tmp=partInput.read(); + if (tmp!=10) + partInput.reset(); + else + state=tmp; + } + break; + } + + // Look for boundary + if(b>=0&&b0) + part.write(byteBoundary,0,b); + + b=-1; + part.write(c); + } + } + + // Check for incomplete boundary match, writing out the chars we matched along the way + if((b>0&&b0||c==-1) + { + + if(b==byteBoundary.length) + lastPart=true; + if(state==10) + state=-2; + break; + } + + // handle CR LF + if(cr) + part.write(13); + + if(lf) + part.write(10); + + cr=(c==13); + lf=(c==10||state==10); + if(state==10) + state=-2; + } + } + finally + { + part.close(); + } + } + if (lastPart) + { + while(line!=null) + line=((ReadLineInputStream)_in).readLine(); + } + else + throw new IOException("Incomplete parts"); + } + catch (Exception e) + { + _err = e; + } + } + + public void setDeleteOnExit(boolean deleteOnExit) + { + _deleteOnExit = deleteOnExit; + } + + public void setWriteFilesWithFilenames (boolean writeFilesWithFilenames) + { + _writeFilesWithFilenames = writeFilesWithFilenames; + } + + public boolean isWriteFilesWithFilenames () + { + return _writeFilesWithFilenames; + } + + public boolean isDeleteOnExit() + { + return _deleteOnExit; + } + + + /* ------------------------------------------------------------ */ + private String value(String nameEqualsValue) + { + int idx = nameEqualsValue.indexOf('='); + String value = nameEqualsValue.substring(idx+1).trim(); + return QuotedStringTokenizer.unquoteOnly(value); + } + + + /* ------------------------------------------------------------ */ + private String filenameValue(String nameEqualsValue) + { + int idx = nameEqualsValue.indexOf('='); + String value = nameEqualsValue.substring(idx+1).trim(); + + if (value.matches(".??[a-z,A-Z]\\:\\\\[^\\\\].*")) + { + //incorrectly escaped IE filenames that have the whole path + //we just strip any leading & trailing quotes and leave it as is + char first=value.charAt(0); + if (first=='"' || first=='\'') + value=value.substring(1); + char last=value.charAt(value.length()-1); + if (last=='"' || last=='\'') + value = value.substring(0,value.length()-1); + + return value; + } + else + //unquote the string, but allow any backslashes that don't + //form a valid escape sequence to remain as many browsers + //even on *nix systems will not escape a filename containing + //backslashes + return QuotedStringTokenizer.unquoteOnly(value, true); + } + + + + private static class Base64InputStream extends InputStream + { + ReadLineInputStream _in; + String _line; + byte[] _buffer; + int _pos; + + + public Base64InputStream(ReadLineInputStream rlis) + { + _in = rlis; + } + + @Override + public int read() throws IOException + { + if (_buffer==null || _pos>= _buffer.length) + { + //Any CR and LF will be consumed by the readLine() call. + //We need to put them back into the bytes returned from this + //method because the parsing of the multipart content uses them + //as markers to determine when we've reached the end of a part. + _line = _in.readLine(); + if (_line==null) + return -1; //nothing left + if (_line.startsWith("--")) + _buffer=(_line+"\r\n").getBytes(); //boundary marking end of part + else if (_line.length()==0) + _buffer="\r\n".getBytes(); //blank line + else + { + ByteArrayOutputStream baos = new ByteArrayOutputStream((4*_line.length()/3)+2); + B64Code.decode(_line, baos); + baos.write(13); + baos.write(10); + _buffer = baos.toByteArray(); + } + + _pos=0; + } + + return _buffer[_pos++]; + } + } +} diff --git a/jetty-http/src/test/java/org/eclipse/jetty/http/MultiPartInputStreamTest.java b/jetty-http/src/test/java/org/eclipse/jetty/http/MultiPartInputStreamTest.java new file mode 100644 index 00000000000..e833e16d1cb --- /dev/null +++ b/jetty-http/src/test/java/org/eclipse/jetty/http/MultiPartInputStreamTest.java @@ -0,0 +1,1076 @@ +// +// ======================================================================== +// Copyright (c) 1995-2018 Mort Bay Consulting Pty. Ltd. +// ------------------------------------------------------------------------ +// All rights reserved. This program and the accompanying materials +// are made available under the terms of the Eclipse Public License v1.0 +// and Apache License v2.0 which accompanies this distribution. +// +// The Eclipse Public License is available at +// http://www.eclipse.org/legal/epl-v10.html +// +// The Apache License v2.0 is available at +// http://www.opensource.org/licenses/apache2.0.php +// +// You may elect to redistribute this code under either of these licenses. +// ======================================================================== +// + +package org.eclipse.jetty.http; + +import static org.hamcrest.Matchers.is; +import static org.hamcrest.Matchers.not; +import static org.hamcrest.Matchers.notNullValue; +import static org.hamcrest.Matchers.nullValue; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.util.Collection; +import java.util.concurrent.TimeUnit; + +import javax.servlet.MultipartConfigElement; +import javax.servlet.ReadListener; +import javax.servlet.ServletException; +import javax.servlet.ServletInputStream; +import javax.servlet.http.Part; + +import org.eclipse.jetty.http.MultiPartInputStreamParser.MultiPart; +import org.eclipse.jetty.util.B64Code; +import org.eclipse.jetty.util.IO; +import org.hamcrest.Matchers; +import org.junit.Test; + +/** + * MultiPartInputStreamTest + * + * + */ +public class MultiPartInputStreamTest +{ + private static final String FILENAME = "stuff.txt"; + protected String _contentType = "multipart/form-data, boundary=AaB03x"; + protected String _multi = createMultipartRequestString(FILENAME); + protected String _dirname = System.getProperty("java.io.tmpdir")+File.separator+"myfiles-"+TimeUnit.NANOSECONDS.toMillis(System.nanoTime()); + protected File _tmpDir = new File(_dirname); + + public MultiPartInputStreamTest () + { + _tmpDir.deleteOnExit(); + } + + @Test + public void testBadMultiPartRequest() + throws Exception + { + String boundary = "X0Y0"; + String str = "--" + boundary + "\r\n"+ + "Content-Disposition: form-data; name=\"fileup\"; filename=\"test.upload\"\r\n"+ + "Content-Type: application/octet-stream\r\n\r\n"+ + "How now brown cow."+ + "\r\n--" + boundary + "-\r\n\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + "multipart/form-data, boundary="+boundary, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + try + { + mpis.getParts(); + fail ("Multipart incomplete"); + } + catch (IOException e) + { + assertTrue(e.getMessage().startsWith("Incomplete")); + } + } + + + @Test + public void testFinalBoundaryOnly() + throws Exception + { + String delimiter = "\r\n"; + final String boundary = "MockMultiPartTestBoundary"; + + + // Malformed multipart request body containing only an arbitrary string of text, followed by the final boundary marker, delimited by empty lines. + String str = + delimiter + + "Hello world" + + delimiter + // Two delimiter markers, which make an empty line. + delimiter + + "--" + boundary + "--" + delimiter; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + "multipart/form-data, boundary="+boundary, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertTrue(mpis.getParts().isEmpty()); + } + + + + @Test + public void testEmpty() + throws Exception + { + String delimiter = "\r\n"; + final String boundary = "MockMultiPartTestBoundary"; + + String str = + delimiter + + "--" + boundary + "--" + delimiter; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + "multipart/form-data, boundary="+boundary, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + assertTrue(mpis.getParts().isEmpty()); + } + + @Test + public void testNoBoundaryRequest() + throws Exception + { + String str = "--\r\n"+ + "Content-Disposition: form-data; name=\"fileName\"\r\n"+ + "Content-Type: text/plain; charset=US-ASCII\r\n"+ + "Content-Transfer-Encoding: 8bit\r\n"+ + "\r\n"+ + "abc\r\n"+ + "--\r\n"+ + "Content-Disposition: form-data; name=\"desc\"\r\n"+ + "Content-Type: text/plain; charset=US-ASCII\r\n"+ + "Content-Transfer-Encoding: 8bit\r\n"+ + "\r\n"+ + "123\r\n"+ + "--\r\n"+ + "Content-Disposition: form-data; name=\"title\"\r\n"+ + "Content-Type: text/plain; charset=US-ASCII\r\n"+ + "Content-Transfer-Encoding: 8bit\r\n"+ + "\r\n"+ + "ttt\r\n"+ + "--\r\n"+ + "Content-Disposition: form-data; name=\"datafile5239138112980980385.txt\"; filename=\"datafile5239138112980980385.txt\"\r\n"+ + "Content-Type: application/octet-stream; charset=ISO-8859-1\r\n"+ + "Content-Transfer-Encoding: binary\r\n"+ + "\r\n"+ + "000\r\n"+ + "----\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + "multipart/form-data", + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(4)); + + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + Part fileName = mpis.getPart("fileName"); + assertThat(fileName, notNullValue()); + assertThat(fileName.getSize(), is(3L)); + IO.copy(fileName.getInputStream(), baos); + assertThat(baos.toString("US-ASCII"), is("abc")); + + baos = new ByteArrayOutputStream(); + Part desc = mpis.getPart("desc"); + assertThat(desc, notNullValue()); + assertThat(desc.getSize(), is(3L)); + IO.copy(desc.getInputStream(), baos); + assertThat(baos.toString("US-ASCII"), is("123")); + + baos = new ByteArrayOutputStream(); + Part title = mpis.getPart("title"); + assertThat(title, notNullValue()); + assertThat(title.getSize(), is(3L)); + IO.copy(title.getInputStream(), baos); + assertThat(baos.toString("US-ASCII"), is("ttt")); + } + + @Test + public void testNonMultiPartRequest() + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + "Content-type: text/plain", + config, + _tmpDir); + mpis.setDeleteOnExit(true); + assertTrue(mpis.getParts().isEmpty()); + } + + @Test + public void testNoBody() + throws Exception + { + String body = ""; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(body.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + try + { + mpis.getParts(); + fail ("Multipart missing body"); + } + catch (IOException e) + { + assertTrue(e.getMessage().startsWith("Missing content")); + } + } + + + @Test + public void testBodyAlreadyConsumed() + throws Exception + { + ServletInputStream is = new ServletInputStream() { + + @Override + public boolean isFinished() + { + return true; + } + + @Override + public boolean isReady() + { + return false; + } + + @Override + public void setReadListener(ReadListener readListener) + { + } + + @Override + public int read() throws IOException + { + return 0; + } + + }; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(is, + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertEquals(0, parts.size()); + } + + + + @Test + public void testWhitespaceBodyWithCRLF() + throws Exception + { + String whitespace = " \n\n\n\r\n\r\n\r\n\r\n"; + + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(whitespace.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + try + { + mpis.getParts(); + fail ("Multipart missing body"); + } + catch (IOException e) + { + assertTrue(e.getMessage().startsWith("Missing initial")); + } + } + + @Test + public void testWhitespaceBody() + throws Exception + { + String whitespace = " "; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(whitespace.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + try + { + mpis.getParts(); + fail ("Multipart missing body"); + } + catch (IOException e) + { + assertTrue(e.getMessage().startsWith("Missing initial")); + } + } + + @Test + public void testLeadingWhitespaceBodyWithCRLF() + throws Exception + { + String body = " \n\n\n\r\n\r\n\r\n\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"field1\"\r\n"+ + "\r\n"+ + "Joe Blow\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" + "foo.txt" + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"aaaa"+ + "bbbbb"+"\r\n" + + "--AaB03x--\r\n"; + + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(body.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + + Collection parts = mpis.getParts(); + assertThat(parts, notNullValue()); + assertThat(parts.size(), is(2)); + Part field1 = mpis.getPart("field1"); + assertThat(field1, notNullValue()); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(field1.getInputStream(), baos); + assertThat(baos.toString("US-ASCII"), is("Joe Blow")); + + Part stuff = mpis.getPart("stuff"); + assertThat(stuff, notNullValue()); + baos = new ByteArrayOutputStream(); + IO.copy(stuff.getInputStream(), baos); + assertTrue(baos.toString("US-ASCII").contains("aaaa")); + } + + + + @Test + public void testLeadingWhitespaceBodyWithoutCRLF() + throws Exception + { + String body = " "+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"field1\"\r\n"+ + "\r\n"+ + "Joe Blow\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" + "foo.txt" + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"aaaa"+ + "bbbbb"+"\r\n" + + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(body.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + + Collection parts = mpis.getParts(); + assertThat(parts, notNullValue()); + assertThat(parts.size(), is(2)); + Part field1 = mpis.getPart("field1"); + assertThat(field1, notNullValue()); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(field1.getInputStream(), baos); + assertThat(baos.toString("US-ASCII"), is("Joe Blow")); + + Part stuff = mpis.getPart("stuff"); + assertThat(stuff, notNullValue()); + baos = new ByteArrayOutputStream(); + IO.copy(stuff.getInputStream(), baos); + assertTrue(baos.toString("US-ASCII").contains("bbbbb")); + } + + + + + + + @Test + public void testNoLimits() + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertFalse(parts.isEmpty()); + } + + @Test + public void testRequestTooBig () + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 60, 100, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = null; + try + { + parts = mpis.getParts(); + fail("Request should have exceeded maxRequestSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Request exceeds maxRequestSize")); + } + } + + + @Test + public void testRequestTooBigThrowsErrorOnGetParts () + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 60, 100, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = null; + + //cause parsing + try + { + parts = mpis.getParts(); + fail("Request should have exceeded maxRequestSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Request exceeds maxRequestSize")); + } + + //try again + try + { + parts = mpis.getParts(); + fail("Request should have exceeded maxRequestSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Request exceeds maxRequestSize")); + } + } + + @Test + public void testFileTooBig() + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 40, 1024, 30); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = null; + try + { + parts = mpis.getParts(); + fail("stuff.txt should have been larger than maxFileSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Multipart Mime part")); + } + } + + @Test + public void testFileTooBigThrowsErrorOnGetParts() + throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 40, 1024, 30); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(_multi.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = null; + try + { + parts = mpis.getParts(); //caused parsing + fail("stuff.txt should have been larger than maxFileSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Multipart Mime part")); + } + + //test again after the parsing + try + { + parts = mpis.getParts(); //caused parsing + fail("stuff.txt should have been larger than maxFileSize"); + } + catch (IllegalStateException e) + { + assertTrue(e.getMessage().startsWith("Multipart Mime part")); + } + } + + + + @Test + public void testPartFileNotDeleted () throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(createMultipartRequestString("tptfd").getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + + MultiPart part = (MultiPart)mpis.getPart("stuff"); + File stuff = ((MultiPartInputStreamParser.MultiPart)part).getFile(); + assertThat(stuff,notNullValue()); // longer than 100 bytes, should already be a tmp file + part.write("tptfd.txt"); + File tptfd = new File (_dirname+File.separator+"tptfd.txt"); + assertThat(tptfd.exists(), is(true)); + assertThat(stuff.exists(), is(false)); //got renamed + part.cleanUp(); + assertThat(tptfd.exists(), is(true)); //explicitly written file did not get removed after cleanup + tptfd.deleteOnExit(); //clean up test + } + + @Test + public void testPartTmpFileDeletion () throws Exception + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(createMultipartRequestString("tptfd").getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + + MultiPart part = (MultiPart)mpis.getPart("stuff"); + File stuff = ((MultiPartInputStreamParser.MultiPart)part).getFile(); + assertThat(stuff,notNullValue()); // longer than 100 bytes, should already be a tmp file + assertThat (stuff.exists(), is(true)); + part.cleanUp(); + assertThat(stuff.exists(), is(false)); //tmp file was removed after cleanup + } + + @Test + public void testLFOnlyRequest() + throws Exception + { + String str = "--AaB03x\n"+ + "content-disposition: form-data; name=\"field1\"\n"+ + "\n"+ + "Joe Blow\n"+ + "--AaB03x\n"+ + "content-disposition: form-data; name=\"field2\"\n"+ + "\n"+ + "Other\n"+ + "--AaB03x--\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(2)); + Part p1 = mpis.getPart("field1"); + assertThat(p1, notNullValue()); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(p1.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("Joe Blow")); + + Part p2 = mpis.getPart("field2"); + assertThat(p2, notNullValue()); + baos = new ByteArrayOutputStream(); + IO.copy(p2.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("Other")); + } + + @Test + public void testCROnlyRequest() + throws Exception + { + String str = "--AaB03x\r"+ + "content-disposition: form-data; name=\"field1\"\r"+ + "\r"+ + "Joe Blow\r"+ + "--AaB03x\r"+ + "content-disposition: form-data; name=\"field2\"\r"+ + "\r"+ + "Other\r"+ + "--AaB03x--\r"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(2)); + + assertThat(parts.size(), is(2)); + Part p1 = mpis.getPart("field1"); + assertThat(p1, notNullValue()); + + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(p1.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("Joe Blow")); + + Part p2 = mpis.getPart("field2"); + assertThat(p2, notNullValue()); + baos = new ByteArrayOutputStream(); + IO.copy(p2.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("Other")); + } + + @Test + public void testCRandLFMixRequest() + throws Exception + { + String str = "--AaB03x\r"+ + "content-disposition: form-data; name=\"field1\"\r"+ + "\r"+ + "\nJoe Blow\n"+ + "\r"+ + "--AaB03x\r"+ + "content-disposition: form-data; name=\"field2\"\r"+ + "\r"+ + "Other\r"+ + "--AaB03x--\r"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(2)); + + Part p1 = mpis.getPart("field1"); + assertThat(p1, notNullValue()); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(p1.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("\nJoe Blow\n")); + + Part p2 = mpis.getPart("field2"); + assertThat(p2, notNullValue()); + baos = new ByteArrayOutputStream(); + IO.copy(p2.getInputStream(), baos); + assertThat(baos.toString("UTF-8"), is("Other")); + } + + @Test + public void testBufferOverflowNoCRLF () throws Exception + { + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + baos.write("--AaB03x".getBytes()); + for (int i=0; i< 8500; i++) //create content that will overrun default buffer size of BufferedInputStream + { + baos.write('a'); + } + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(baos.toByteArray()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + try + { + mpis.getParts(); + fail ("Multipart buffer overrun"); + } + catch (IOException e) + { + assertTrue(e.getMessage().startsWith("Buffer size exceeded")); + } + + } + + @Test + public void testCharsetEncoding () throws Exception + { + String contentType = "multipart/form-data; boundary=TheBoundary; charset=ISO-8859-1"; + String str = "--TheBoundary\r"+ + "content-disposition: form-data; name=\"field1\"\r"+ + "\r"+ + "\nJoe Blow\n"+ + "\r"+ + "--TheBoundary--\r"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(str.getBytes()), + contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(1)); + } + + + @Test + public void testBadlyEncodedFilename() throws Exception + { + + String contents = "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" +"Taken on Aug 22 \\ 2012.jpg" + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"stuff"+ + "aaa"+"\r\n" + + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(contents.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(1)); + assertThat(((MultiPartInputStreamParser.MultiPart)parts.iterator().next()).getSubmittedFileName(), is("Taken on Aug 22 \\ 2012.jpg")); + } + + @Test + public void testBadlyEncodedMSFilename() throws Exception + { + + String contents = "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" +"c:\\this\\really\\is\\some\\path\\to\\a\\file.txt" + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"stuff"+ + "aaa"+"\r\n" + + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(contents.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(1)); + assertThat(((MultiPartInputStreamParser.MultiPart)parts.iterator().next()).getSubmittedFileName(), is("c:\\this\\really\\is\\some\\path\\to\\a\\file.txt")); + } + + @Test + public void testCorrectlyEncodedMSFilename() throws Exception + { + String contents = "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" +"c:\\\\this\\\\really\\\\is\\\\some\\\\path\\\\to\\\\a\\\\file.txt" + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"stuff"+ + "aaa"+"\r\n" + + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(contents.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(1)); + assertThat(((MultiPartInputStreamParser.MultiPart)parts.iterator().next()).getSubmittedFileName(), is("c:\\this\\really\\is\\some\\path\\to\\a\\file.txt")); + } + + public void testMulti () + throws Exception + { + testMulti(FILENAME); + } + + @Test + public void testMultiWithSpaceInFilename() throws Exception + { + testMulti("stuff with spaces.txt"); + } + + + @Test + public void testWriteFilesIfContentDispositionFilename () + throws Exception + { + String s = "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"field1\"; filename=\"frooble.txt\"\r\n"+ + "\r\n"+ + "Joe Blow\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+"sss"+ + "aaa"+"\r\n" + + "--AaB03x--\r\n"; + //all default values for multipartconfig, ie file size threshold 0 + MultipartConfigElement config = new MultipartConfigElement(_dirname); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(s.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + mpis.setWriteFilesWithFilenames(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(2)); + Part field1 = mpis.getPart("field1"); //has a filename, should be written to a file + File f = ((MultiPartInputStreamParser.MultiPart)field1).getFile(); + assertThat(f,notNullValue()); // longer than 100 bytes, should already be a tmp file + + Part stuff = mpis.getPart("stuff"); + f = ((MultiPartInputStreamParser.MultiPart)stuff).getFile(); //should only be in memory, no filename + assertThat(f, nullValue()); + } + + + private void testMulti(String filename) throws IOException, ServletException, InterruptedException + { + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(createMultipartRequestString(filename).getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertThat(parts.size(), is(2)); + Part field1 = mpis.getPart("field1"); //field 1 too small to go into tmp file, should be in internal buffer + assertThat(field1,notNullValue()); + assertThat(field1.getName(),is("field1")); + InputStream is = field1.getInputStream(); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + IO.copy(is, os); + assertEquals("Joe Blow", new String(os.toByteArray())); + assertEquals(8, field1.getSize()); + + assertNotNull(((MultiPartInputStreamParser.MultiPart)field1).getBytes());//in internal buffer + field1.write("field1.txt"); + assertNull(((MultiPartInputStreamParser.MultiPart)field1).getBytes());//no longer in internal buffer + File f = new File (_dirname+File.separator+"field1.txt"); + assertTrue(f.exists()); + field1.write("another_field1.txt"); //write after having already written + File f2 = new File(_dirname+File.separator+"another_field1.txt"); + assertTrue(f2.exists()); + assertFalse(f.exists()); //should have been renamed + field1.delete(); //file should be deleted + assertFalse(f.exists()); //original file was renamed + assertFalse(f2.exists()); //2nd written file was explicitly deleted + + MultiPart stuff = (MultiPart)mpis.getPart("stuff"); + assertThat(stuff.getSubmittedFileName(), is(filename)); + assertThat(stuff.getContentType(),is("text/plain")); + assertThat(stuff.getHeader("Content-Type"),is("text/plain")); + assertThat(stuff.getHeaders("content-type").size(),is(1)); + assertThat(stuff.getHeader("content-disposition"),is("form-data; name=\"stuff\"; filename=\"" + filename + "\"")); + assertThat(stuff.getHeaderNames().size(),is(2)); + assertThat(stuff.getSize(),is(51L)); + + File tmpfile = ((MultiPartInputStreamParser.MultiPart)stuff).getFile(); + assertThat(tmpfile,notNullValue()); // longer than 100 bytes, should already be a tmp file + assertThat(((MultiPartInputStreamParser.MultiPart)stuff).getBytes(),nullValue()); //not in an internal buffer + assertThat(tmpfile.exists(),is(true)); + assertThat(tmpfile.getName(),is(not("stuff with space.txt"))); + stuff.write(filename); + f = new File(_dirname+File.separator+filename); + assertThat(f.exists(),is(true)); + assertThat(tmpfile.exists(), is(false)); + try + { + stuff.getInputStream(); + } + catch (Exception e) + { + fail("Part.getInputStream() after file rename operation"); + } + f.deleteOnExit(); //clean up after test + } + + @Test + public void testMultiSameNames () + throws Exception + { + String sameNames = "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"stuff1.txt\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "00000\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"stuff2.txt\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "110000000000000000000000000000000000000000000000000\r\n"+ + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(sameNames.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertEquals(2, parts.size()); + for (Part p:parts) + assertEquals("stuff", p.getName()); + + //if they all have the name name, then only retrieve the first one + Part p = mpis.getPart("stuff"); + assertNotNull(p); + assertEquals(5, p.getSize()); + } + + @Test + public void testBase64EncodedContent () throws Exception + { + String contentWithEncodedPart = + "--AaB03x\r\n"+ + "Content-disposition: form-data; name=\"other\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "other" + "\r\n"+ + "--AaB03x\r\n"+ + "Content-disposition: form-data; name=\"stuff\"; filename=\"stuff.txt\"\r\n"+ + "Content-Transfer-Encoding: base64\r\n"+ + "Content-Type: application/octet-stream\r\n"+ + "\r\n"+ + B64Code.encode("hello jetty") + "\r\n"+ + "--AaB03x\r\n"+ + "Content-disposition: form-data; name=\"final\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "the end" + "\r\n"+ + "--AaB03x--\r\n"; + + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(contentWithEncodedPart.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertEquals(3, parts.size()); + + Part p1 = mpis.getPart("other"); + assertNotNull(p1); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(p1.getInputStream(), baos); + assertEquals("other", baos.toString("US-ASCII")); + + Part p2 = mpis.getPart("stuff"); + assertNotNull(p2); + baos = new ByteArrayOutputStream(); + IO.copy(p2.getInputStream(), baos); + assertEquals("hello jetty", baos.toString("US-ASCII")); + + Part p3 = mpis.getPart("final"); + assertNotNull(p3); + baos = new ByteArrayOutputStream(); + IO.copy(p3.getInputStream(), baos); + assertEquals("the end", baos.toString("US-ASCII")); + } + + @Test + public void testQuotedPrintableEncoding () throws Exception + { + String contentWithEncodedPart = + "--AaB03x\r\n"+ + "Content-disposition: form-data; name=\"other\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "other" + "\r\n"+ + "--AaB03x\r\n"+ + "Content-disposition: form-data; name=\"stuff\"; filename=\"stuff.txt\"\r\n"+ + "Content-Transfer-Encoding: quoted-printable\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+ + "truth=3Dbeauty" + "\r\n"+ + "--AaB03x--\r\n"; + MultipartConfigElement config = new MultipartConfigElement(_dirname, 1024, 3072, 50); + MultiPartInputStreamParser mpis = new MultiPartInputStreamParser(new ByteArrayInputStream(contentWithEncodedPart.getBytes()), + _contentType, + config, + _tmpDir); + mpis.setDeleteOnExit(true); + Collection parts = mpis.getParts(); + assertEquals(2, parts.size()); + + Part p1 = mpis.getPart("other"); + assertNotNull(p1); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + IO.copy(p1.getInputStream(), baos); + assertEquals("other", baos.toString("US-ASCII")); + + Part p2 = mpis.getPart("stuff"); + assertNotNull(p2); + baos = new ByteArrayOutputStream(); + IO.copy(p2.getInputStream(), baos); + assertEquals("truth=beauty", baos.toString("US-ASCII")); + } + + + + + + private String createMultipartRequestString(String filename) + { + int length = filename.length(); + String name = filename; + if (length > 10) + name = filename.substring(0,10); + StringBuffer filler = new StringBuffer(); + int i = name.length(); + while (i < 51) + { + filler.append("0"); + i++; + } + + return "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"field1\"; filename=\"frooble.txt\"\r\n"+ + "\r\n"+ + "Joe Blow\r\n"+ + "--AaB03x\r\n"+ + "content-disposition: form-data; name=\"stuff\"; filename=\"" + filename + "\"\r\n"+ + "Content-Type: text/plain\r\n"+ + "\r\n"+name+ + filler.toString()+"\r\n" + + "--AaB03x--\r\n"; + } +}