package org.jboss.resteasy.plugins.providers.multipart;
import org.apache.james.mime4j.dom.BinaryBody;
import org.apache.james.mime4j.dom.Body;
import org.apache.james.mime4j.dom.Entity;
import org.apache.james.mime4j.dom.Message;
import org.apache.james.mime4j.dom.Multipart;
import org.apache.james.mime4j.dom.TextBody;
import org.apache.james.mime4j.dom.field.ContentTypeField;
import org.apache.james.mime4j.message.BodyPart;
import org.apache.james.mime4j.stream.Field;
import org.jboss.logging.Logger;
import org.jboss.resteasy.core.ProvidersContextRetainer;
import org.jboss.resteasy.core.ResteasyContext;
import org.jboss.resteasy.spi.HttpRequest;
import org.jboss.resteasy.util.CaseInsensitiveMap;
import org.jboss.resteasy.plugins.providers.multipart.i18n.Messages;
import org.jboss.resteasy.resteasy_jaxrs.i18n.LogMessages;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Providers;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.SequenceInputStream;
import java.io.UnsupportedEncodingException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public class MultipartInputImpl implements MultipartInput, ProvidersContextRetainer
{
protected MediaType contentType;
protected Providers workers;
protected Message mimeMessage;
protected List<InputPart> parts = new ArrayList<InputPart>();
protected static final Annotation[] empty = {};
protected MediaType defaultPartContentType = MultipartConstants.TEXT_PLAIN_WITH_CHARSET_US_ASCII_TYPE;
protected String defaultPartCharset = null;
protected Providers savedProviders;
public MultipartInputImpl(final MediaType contentType, final Providers workers)
{
this.contentType = contentType;
this.workers = workers;
HttpRequest httpRequest = ResteasyContext.getContextData(HttpRequest.class);
if (httpRequest != null)
{
String defaultContentType = (String) httpRequest
.getAttribute(InputPart.DEFAULT_CONTENT_TYPE_PROPERTY);
if (defaultContentType != null)
this.defaultPartContentType = MediaType
.valueOf(defaultContentType);
this.defaultPartCharset = (String) httpRequest.getAttribute(
InputPart.DEFAULT_CHARSET_PROPERTY);
if (defaultPartCharset != null)
{
this.defaultPartContentType = getMediaTypeWithDefaultCharset(
this.defaultPartContentType);
}
}
}
public MultipartInputImpl(final MediaType contentType, final Providers workers,
final MediaType defaultPartContentType,
final String defaultPartCharset)
{
this.contentType = contentType;
this.workers = workers;
if (defaultPartContentType != null) this.defaultPartContentType = defaultPartContentType;
this.defaultPartCharset = defaultPartCharset;
if (defaultPartCharset != null)
{
this.defaultPartContentType = getMediaTypeWithDefaultCharset(this.defaultPartContentType);
}
}
public MultipartInputImpl(final Multipart multipart, final Providers workers) throws IOException
{
for (Entity entity : multipart.getBodyParts()) {
if (entity instanceof BodyPart)
{
parts.add(extractPart((BodyPart)entity));
}
}
this.workers = workers;
}
public void parse(InputStream is) throws IOException
{
mimeMessage = Mime4JWorkaround.parseMessage(addHeaderToHeadlessStream(is));
extractParts();
}
protected InputStream (InputStream is)
throws UnsupportedEncodingException
{
return new SequenceInputStream(createHeaderInputStream(), is);
}
protected InputStream ()
throws UnsupportedEncodingException
{
String header = HttpHeaders.CONTENT_TYPE + ": " + contentType
+ "\r\n\r\n";
return new ByteArrayInputStream(header.getBytes(StandardCharsets.UTF_8));
}
public String getPreamble()
{
return ((Multipart) mimeMessage.getBody()).getPreamble();
}
public List<InputPart> getParts()
{
return parts;
}
protected void () throws IOException
{
Multipart multipart = (Multipart) mimeMessage.getBody();
for (Entity entity : multipart.getBodyParts()) {
if (entity instanceof BodyPart)
{
parts.add(extractPart((BodyPart)entity));
}
}
}
protected InputPart extractPart(BodyPart bodyPart) throws IOException
{
return new PartImpl(bodyPart);
}
public class PartImpl implements InputPart
{
private BodyPart bodyPart;
private MediaType contentType;
private MultivaluedMap<String, String> = new CaseInsensitiveMap<String>();
private boolean contentTypeFromMessage;
public PartImpl(final BodyPart bodyPart)
{
this.bodyPart = bodyPart;
for (Field field : bodyPart.getHeader())
{
headers.add(field.getName(), field.getBody());
if (field instanceof ContentTypeField)
{
contentType = MediaType.valueOf(field.getBody());
contentTypeFromMessage = true;
}
}
if (contentType == null)
contentType = defaultPartContentType;
if (getCharset(contentType) == null)
{
if (defaultPartCharset != null)
{
contentType = getMediaTypeWithDefaultCharset(contentType);
}
else if (contentType.getType().equalsIgnoreCase("text"))
{
contentType = getMediaTypeWithCharset(contentType, "us-ascii");
}
}
}
@Override
public void setMediaType(MediaType mediaType)
{
contentType = mediaType;
contentTypeFromMessage = false;
headers.putSingle("Content-Type", mediaType.toString());
}
@SuppressWarnings("unchecked")
public <T> T getBody(Class<T> type, Type genericType)
throws IOException
{
boolean pushProviders = savedProviders != null && ResteasyContext.getContextData(Providers.class) == null;
if (MultipartInput.class.isAssignableFrom(type)) {
if (bodyPart.getBody() instanceof Multipart) {
if (MultipartInput.class.equals(type)) {
return (T) new MultipartInputImpl(
Multipart.class.cast(bodyPart.getBody()), workers);
} else if (MultipartRelatedInput.class.equals(type)) {
return (T) new MultipartRelatedInputImpl(
Multipart.class.cast(bodyPart.getBody()), workers);
} else if (MultipartFormDataInput.class.equals(bodyPart.getBody())) {
return (T) new MultipartFormDataInputImpl(
Multipart.class.cast(bodyPart.getBody()), workers);
}
}
}
try
{
if (pushProviders)
{
ResteasyContext.pushContext(Providers.class, savedProviders);
}
MessageBodyReader<T> reader = workers.getMessageBodyReader(type, genericType, empty, contentType);
if (reader == null)
{
throw new RuntimeException(Messages.MESSAGES.unableToFindMessageBodyReader(contentType, type.getName()));
}
LogMessages.LOGGER.debugf("MessageBodyReader: %s", reader.getClass().getName());
return reader.readFrom(type, genericType, empty, contentType, headers, getBody());
}
finally
{
if (pushProviders)
{
ResteasyContext.popContextData(Providers.class);
}
}
}
@SuppressWarnings("unchecked")
public <T> T getBody(GenericType<T> type) throws IOException
{
return getBody((Class<T>) type.getRawType(), type.getType());
}
public InputStream getBody() throws IOException
{
Body body = bodyPart.getBody();
InputStream result = null;
if (body instanceof TextBody)
{
throw new UnsupportedOperationException();
}
else if (body instanceof BinaryBody)
{
return ((BinaryBody)body).getInputStream();
}
return result;
}
public String getBodyAsString() throws IOException
{
return getBody(String.class, null);
}
public MultivaluedMap<String, String> ()
{
return headers;
}
public MediaType getMediaType()
{
return contentType;
}
public boolean isContentTypeFromMessage()
{
return contentTypeFromMessage;
}
}
public static void main(String[] args) throws Exception
{
String input = "URLSTR: file:/Users/billburke/jboss/resteasy-jaxrs/resteasy-jaxrs/src/test/test-data/data.txt\r\n"
+ "--B98hgCmKsQ-B5AUFnm2FnDRCgHPDE3\r\n"
+ "Content-Disposition: form-data; name=\"part1\"\r\n"
+ "Content-Type: text/plain; charset=US-ASCII\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "This is Value 1\r\n"
+ "--B98hgCmKsQ-B5AUFnm2FnDRCgHPDE3\r\n"
+ "Content-Disposition: form-data; name=\"part2\"\r\n"
+ "Content-Type: text/plain; charset=US-ASCII\r\n"
+ "Content-Transfer-Encoding: 8bit\r\n"
+ "\r\n"
+ "This is Value 2\r\n"
+ "--B98hgCmKsQ-B5AUFnm2FnDRCgHPDE3\r\n"
+ "Content-Disposition: form-data; name=\"data.txt\"; filename=\"data.txt\"\r\n"
+ "Content-Type: application/octet-stream; charset=ISO-8859-1\r\n"
+ "Content-Transfer-Encoding: binary\r\n"
+ "\r\n"
+ "hello world\r\n" + "--B98hgCmKsQ-B5AUFnm2FnDRCgHPDE3--";
ByteArrayInputStream bais = new ByteArrayInputStream(input.getBytes());
Map<String, String> parameters = new LinkedHashMap<String, String>();
parameters.put("boundary", "B98hgCmKsQ-B5AUFnm2FnDRCgHPDE3");
MediaType contentType = new MediaType("multipart", "form-data",
parameters);
MultipartInputImpl multipart = new MultipartInputImpl(contentType, null);
multipart.parse(bais);
Logger LOG = Logger.getLogger(MultipartInputImpl.class);
LOG.info(multipart.getPreamble());
LOG.info("**********");
for (InputPart part : multipart.getParts())
{
LOG.info("--");
LOG.info("\"" + part.getBodyAsString() + "\"");
}
LOG.info("done");
}
@Override
public void close()
{
if (mimeMessage != null)
{
try
{
mimeMessage.dispose();
}
catch (Exception e)
{
}
}
}
protected void finalize() throws Throwable
{
close();
}
protected String getCharset(MediaType mediaType)
{
for (Iterator<String> it = mediaType.getParameters().keySet().iterator(); it.hasNext(); )
{
String key = it.next();
if ("charset".equalsIgnoreCase(key))
{
return mediaType.getParameters().get(key);
}
}
return null;
}
private MediaType getMediaTypeWithDefaultCharset(MediaType mediaType)
{
String charset = defaultPartCharset;
return getMediaTypeWithCharset(mediaType, charset);
}
private MediaType getMediaTypeWithCharset(MediaType mediaType, String charset)
{
Map<String, String> params = mediaType.getParameters();
Map<String, String> newParams = new LinkedHashMap<String, String>();
newParams.put("charset", charset);
for (Iterator<String> it = params.keySet().iterator(); it.hasNext(); )
{
String key = it.next();
if (!"charset".equalsIgnoreCase(key))
{
newParams.put(key, params.get(key));
}
}
return new MediaType(mediaType.getType(), mediaType.getSubtype(), newParams);
}
@Override
public void setProviders(Providers providers)
{
savedProviders = providers;
}
}