/**
* Decodes form parameters that are sent double encoded by performing one decode step on their
* values, if their restlet framework decoded value starts with an "%".
*
* @param request a restlet request
* @throws IOException did not occur during tests but may.
* @throws IllegalArgumentException if an Encode representation is received.
*/
void decodeFormParamsIfDoubleEncoded(Request request) throws IOException {
Representation r = request.getEntity();
if (r instanceof EncodeRepresentation)
throw new IllegalArgumentException(
"Received an Encode representation."
+ " This filter must be after the Encoder filter. please check your filter chain order.");
if (!(r instanceof EmptyRepresentation)) {
ContentType c = new ContentType(r);
if (MediaType.APPLICATION_WWW_FORM.equals(c.getMediaType(), true)) {
Form form = new Form(r);
Form newform = new Form(r);
Map<String, String> valuesMap = form.getValuesMap();
for (Map.Entry<String, String> e : valuesMap.entrySet()) {
if (DBG) ThreadLocalStopwatch.now("" + e.getKey() + " - " + e.getValue());
String shouldBeDecodedValue = e.getValue();
if (shouldBeDecodedValue.startsWith("%")) {
shouldBeDecodedValue = URLDecoder.decode(e.getValue(), DECODER_CHAR_SET);
totalDecodings.incrementAndGet();
if (DBG) {
ThreadLocalStopwatch.now("DECODED " + request.getResourceRef());
ThreadLocalStopwatch.now(
"DECODED "
+ totalDecodings.get()
+ " : "
+ e.getKey()
+ " - "
+ shouldBeDecodedValue);
}
}
newform.add(e.getKey(), shouldBeDecodedValue);
}
// we must always set the entity, because above getEntitiy call causes
// NPEs later if repeated by the framework.
request.setEntity(newform.encode(), c.getMediaType());
}
}
}
@Override
public void write(OutputStream outputStream) throws IOException {
if (isMultipart()) {
for (FormData data : getEntries()) {
// Write the boundary line
outputStream.write(("--" + getMultipartBoundary()).getBytes());
HeaderUtils.writeCRLF(outputStream);
// Write the optional content type header line
if (MediaType.TEXT_PLAIN.equals(data.getMediaType())) {
// Write the content disposition header line
String line = "Content-Disposition: form-data; name=\"" + data.getName() + "\"";
outputStream.write(line.getBytes());
HeaderUtils.writeCRLF(outputStream);
} else {
// Write the content disposition header line
String line =
"Content-Disposition: form-data; name=\""
+ data.getName()
+ "\"; filename=\""
+ data.getFilename()
+ "\"";
outputStream.write(line.getBytes());
HeaderUtils.writeCRLF(outputStream);
// Write the content type header line
line = "Content-Type: " + ContentType.writeHeader(data.getValueRepresentation());
outputStream.write(line.getBytes());
HeaderUtils.writeCRLF(outputStream);
}
// Write the data content
HeaderUtils.writeCRLF(outputStream);
data.getValueRepresentation().write(outputStream);
HeaderUtils.writeCRLF(outputStream);
}
// Write the final boundary line
outputStream.write(("--" + getMultipartBoundary() + "--").getBytes());
HeaderUtils.writeCRLF(outputStream);
} else {
Representation formRep =
new StringRepresentation(
getQueryString(), MediaType.APPLICATION_WWW_FORM, null, CharacterSet.UTF_8);
formRep.write(outputStream);
}
}