static int decodeHeaders(final Buffer requestContent, int offset, final AjpHttpRequest req) {
// Decode headers
final MimeHeaders headers = req.getHeaders();
final int hCount = readShort(requestContent, offset);
offset += 2;
for (int i = 0; i < hCount; i++) {
String hName;
// Header names are encoded as either an integer code starting
// with 0xA0, or as a normal string (in which case the first
// two bytes are the length).
int isc = readShort(requestContent, offset);
int hId = isc & 0xFF;
DataChunk valueDC;
isc &= 0xFF00;
if (0xA000 == isc) {
offset += 2;
hName = AjpConstants.headerTransArray[hId - 1];
valueDC = headers.addValue(hName);
} else {
// reset hId -- if the header currently being read
// happens to be 7 or 8 bytes long, the code below
// will think it's the content-type header or the
// content-length header - SC_REQ_CONTENT_TYPE=7,
// SC_REQ_CONTENT_LENGTH=8 - leading to unexpected
// behaviour. see bug 5861 for more information.
hId = -1;
final int headerNameLen = readShort(requestContent, offset);
offset += 2;
valueDC = headers.addValue(requestContent, offset, headerNameLen);
// Don't forget to skip the terminating \0 (that's why "+ 1")
offset += headerNameLen + 1;
}
offset = getBytesToDataChunk(requestContent, offset, valueDC);
// Get the last added header name (the one we need)
final DataChunk headerNameDC = headers.getName(headers.size() - 1);
if (hId == AjpConstants.SC_REQ_CONTENT_LENGTH
|| (hId == -1 && headerNameDC.equalsIgnoreCase("Content-Length"))) {
// just read the content-length header, so set it
final long cl = Ascii.parseLong(valueDC);
if (cl < Integer.MAX_VALUE) {
req.setContentLength((int) cl);
}
} else if (hId == AjpConstants.SC_REQ_CONTENT_TYPE
|| (hId == -1 && headerNameDC.equalsIgnoreCase("Content-Type"))) {
// just read the content-type header, so set it
req.setContentType(valueDC.toString());
}
}
return offset;
}
private static int setStringAttributeValue(
final AjpHttpRequest req, final String key, final Buffer buffer, int offset) {
final DataChunk tmpDataChunk = req.tmpDataChunk;
offset = getBytesToDataChunk(buffer, offset, tmpDataChunk);
final String value = tmpDataChunk.toString();
tmpDataChunk.recycle();
req.setAttribute(key, value);
return offset;
}
static void decodeRequest(
final Buffer requestContent, final AjpHttpRequest req, final boolean tomcatAuthentication)
throws IOException {
// FORWARD_REQUEST handler
int offset = requestContent.position();
// Translate the HTTP method code to a String.
byte methodCode = requestContent.get(offset++);
if (methodCode != AjpConstants.SC_M_JK_STORED) {
String mName = AjpConstants.methodTransArray[(int) methodCode - 1];
req.getMethodDC().setString(mName);
}
offset = getBytesToDataChunk(requestContent, offset, req.getProtocolDC());
final int requestURILen = readShort(requestContent, offset);
if (!isNullLength(requestURILen)) {
req.getRequestURIRef().init(requestContent, offset + 2, offset + 2 + requestURILen);
}
// Don't forget to skip the terminating \0 (that's why "+ 1")
offset += 2 + requestURILen + 1;
offset = getBytesToDataChunk(requestContent, offset, req.remoteAddr());
offset = getBytesToDataChunk(requestContent, offset, req.remoteHostRaw());
offset = getBytesToDataChunk(requestContent, offset, req.localName());
req.setLocalPort(readShort(requestContent, offset));
offset += 2;
final boolean isSSL = requestContent.get(offset++) != 0;
req.setSecure(isSSL);
req.getResponse().setSecure(isSSL);
offset = decodeHeaders(requestContent, offset, req);
decodeAttributes(requestContent, offset, req, tomcatAuthentication);
req.setUnparsedHostHeader(req.getHeaders().getValue("host"));
}
private static int decodeAttributes(
final Buffer requestContent,
int offset,
final AjpHttpRequest req,
final boolean tomcatAuthentication) {
final DataChunk tmpDataChunk = req.tmpDataChunk;
boolean moreAttr = true;
while (moreAttr) {
final byte attributeCode = requestContent.get(offset++);
if (attributeCode == AjpConstants.SC_A_ARE_DONE) {
return offset;
}
/* Special case ( XXX in future API make it separate type !)
*/
if (attributeCode == AjpConstants.SC_A_SSL_KEY_SIZE) {
// Bug 1326: it's an Integer.
req.setAttribute(SSLSupport.KEY_SIZE_KEY, readShort(requestContent, offset));
offset += 2;
}
if (attributeCode == AjpConstants.SC_A_REQ_ATTRIBUTE) {
// 2 strings ???...
offset = setStringAttribute(req, requestContent, offset);
}
// 1 string attributes
switch (attributeCode) {
case AjpConstants.SC_A_CONTEXT:
// nothing
offset = skipBytes(requestContent, offset);
break;
case AjpConstants.SC_A_REMOTE_USER:
if (tomcatAuthentication) {
// ignore server
offset = skipBytes(requestContent, offset);
} else {
offset = getBytesToDataChunk(requestContent, offset, req.remoteUser());
}
break;
case AjpConstants.SC_A_AUTH_TYPE:
if (tomcatAuthentication) {
// ignore server
offset = skipBytes(requestContent, offset);
} else {
offset = getBytesToDataChunk(requestContent, offset, req.authType());
}
break;
case AjpConstants.SC_A_QUERY_STRING:
offset = getBytesToDataChunk(requestContent, offset, req.getQueryStringDC());
break;
case AjpConstants.SC_A_JVM_ROUTE:
offset = getBytesToDataChunk(requestContent, offset, req.instanceId());
break;
case AjpConstants.SC_A_SSL_CERT:
req.setSecure(true);
// SSL certificate extraction is costy, initialize on demand
offset = getBytesToDataChunk(requestContent, offset, req.sslCert());
break;
case AjpConstants.SC_A_SSL_CIPHER:
req.setSecure(true);
offset =
setStringAttributeValue(req, SSLSupport.CIPHER_SUITE_KEY, requestContent, offset);
break;
case AjpConstants.SC_A_SSL_SESSION:
req.setSecure(true);
offset = setStringAttributeValue(req, SSLSupport.SESSION_ID_KEY, requestContent, offset);
break;
case AjpConstants.SC_A_SECRET:
offset = getBytesToDataChunk(requestContent, offset, tmpDataChunk);
req.setSecret(tmpDataChunk.toString());
tmpDataChunk.recycle();
break;
case AjpConstants.SC_A_STORED_METHOD:
offset = getBytesToDataChunk(requestContent, offset, req.getMethodDC());
break;
default:
break; // ignore, we don't know about it - backward compat
}
}
return offset;
}
