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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.ajp;
import java.util.Hashtable;
import org.apache.tomcat.util.buf.ByteChunk;
/**
* Constants.
*
* @author Remy Maucherat
*/
public final class Constants {
// -------------------------------------------------------------- Constants
/**
* Package name.
*/
public static final String Package = "org.apache.coyote.ajp";
public static final int DEFAULT_CONNECTION_LINGER = -1;
public static final int DEFAULT_CONNECTION_TIMEOUT = -1;
public static final int DEFAULT_CONNECTION_UPLOAD_TIMEOUT = 300000;
public static final boolean DEFAULT_TCP_NO_DELAY = true;
public static final boolean DEFAULT_USE_SENDFILE = false;
// Prefix codes for message types from server to container
public static final byte JK_AJP13_FORWARD_REQUEST = 2;
public static final byte JK_AJP13_SHUTDOWN = 7;
public static final byte JK_AJP13_PING_REQUEST = 8;
public static final byte JK_AJP13_CPING_REQUEST = 10;
// Prefix codes for message types from container to server
public static final byte JK_AJP13_SEND_BODY_CHUNK = 3;
public static final byte JK_AJP13_SEND_HEADERS = 4;
public static final byte JK_AJP13_END_RESPONSE = 5;
public static final byte JK_AJP13_GET_BODY_CHUNK = 6;
public static final byte JK_AJP13_CPONG_REPLY = 9;
// Integer codes for common response header strings
public static final int SC_RESP_CONTENT_TYPE = 0xA001;
public static final int SC_RESP_CONTENT_LANGUAGE = 0xA002;
public static final int SC_RESP_CONTENT_LENGTH = 0xA003;
public static final int SC_RESP_DATE = 0xA004;
public static final int SC_RESP_LAST_MODIFIED = 0xA005;
public static final int SC_RESP_LOCATION = 0xA006;
public static final int SC_RESP_SET_COOKIE = 0xA007;
public static final int SC_RESP_SET_COOKIE2 = 0xA008;
public static final int SC_RESP_SERVLET_ENGINE = 0xA009;
public static final int SC_RESP_STATUS = 0xA00A;
public static final int SC_RESP_WWW_AUTHENTICATE = 0xA00B;
public static final int SC_RESP_AJP13_MAX = 11;
// Integer codes for common (optional) request attribute names
public static final byte SC_A_CONTEXT = 1; // XXX Unused
public static final byte SC_A_SERVLET_PATH = 2; // XXX Unused
public static final byte SC_A_REMOTE_USER = 3;
public static final byte SC_A_AUTH_TYPE = 4;
public static final byte SC_A_QUERY_STRING = 5;
public static final byte SC_A_JVM_ROUTE = 6;
public static final byte SC_A_SSL_CERT = 7;
public static final byte SC_A_SSL_CIPHER = 8;
public static final byte SC_A_SSL_SESSION = 9;
public static final byte SC_A_SSL_KEYSIZE = 11;
public static final byte SC_A_SECRET = 12;
public static final byte SC_A_STORED_METHOD = 13;
// Used for attributes which are not in the list above
public static final byte SC_A_REQ_ATTRIBUTE = 10;
/**
* AJP private request attributes
*/
public static final String SC_A_REQ_REMOTE_PORT = "AJP_REMOTE_PORT";
// Terminates list of attributes
public static final byte SC_A_ARE_DONE = (byte)0xFF;
// Ajp13 specific - needs refactoring for the new model
/**
* Default maximum total byte size for a AJP packet
*/
public static final int MAX_PACKET_SIZE = 8192;
/**
* Size of basic packet header
*/
public static final int H_SIZE = 4;
/**
* Size of the header metadata
*/
public static final int READ_HEAD_LEN = 6;
public static final int SEND_HEAD_LEN = 8;
/**
* Default maximum size of data that can be sent in one packet
*/
public static final int MAX_READ_SIZE = MAX_PACKET_SIZE - READ_HEAD_LEN;
public static final int MAX_SEND_SIZE = MAX_PACKET_SIZE - SEND_HEAD_LEN;
// Translates integer codes to names of HTTP methods
private static final String [] methodTransArray = {
"OPTIONS",
"GET",
"HEAD",
"POST",
"PUT",
"DELETE",
"TRACE",
"PROPFIND",
"PROPPATCH",
"MKCOL",
"COPY",
"MOVE",
"LOCK",
"UNLOCK",
"ACL",
"REPORT",
"VERSION-CONTROL",
"CHECKIN",
"CHECKOUT",
"UNCHECKOUT",
"SEARCH",
"MKWORKSPACE",
"UPDATE",
"LABEL",
"MERGE",
"BASELINE-CONTROL",
"MKACTIVITY"
};
/**
* Converts an AJP coded HTTP method to the method name.
* @param code the coded value
* @return the string value of the method
*/
public static final String getMethodForCode(final int code) {
return methodTransArray[code];
}
public static final int SC_M_JK_STORED = (byte) 0xFF;
// id's for common request headers
public static final int SC_REQ_ACCEPT = 1;
public static final int SC_REQ_ACCEPT_CHARSET = 2;
public static final int SC_REQ_ACCEPT_ENCODING = 3;
public static final int SC_REQ_ACCEPT_LANGUAGE = 4;
public static final int SC_REQ_AUTHORIZATION = 5;
public static final int SC_REQ_CONNECTION = 6;
public static final int SC_REQ_CONTENT_TYPE = 7;
public static final int SC_REQ_CONTENT_LENGTH = 8;
public static final int SC_REQ_COOKIE = 9;
public static final int SC_REQ_COOKIE2 = 10;
public static final int SC_REQ_HOST = 11;
public static final int SC_REQ_PRAGMA = 12;
public static final int SC_REQ_REFERER = 13;
public static final int SC_REQ_USER_AGENT = 14;
// AJP14 new header
public static final byte SC_A_SSL_KEY_SIZE = 11; // XXX ???
// Translates integer codes to request header names
private static final String [] headerTransArray = {
"accept",
"accept-charset",
"accept-encoding",
"accept-language",
"authorization",
"connection",
"content-type",
"content-length",
"cookie",
"cookie2",
"host",
"pragma",
"referer",
"user-agent"
};
/**
* Converts an AJP coded HTTP request header to the header name.
* @param code the coded value
* @return the string value of the header name
*/
public static final String getHeaderForCode(final int code) {
return headerTransArray[code];
}
// Translates integer codes to response header names
private static final String [] responseTransArray = {
"Content-Type",
"Content-Language",
"Content-Length",
"Date",
"Last-Modified",
"Location",
"Set-Cookie",
"Set-Cookie2",
"Servlet-Engine",
"Status",
"WWW-Authenticate"
};
/**
* Converts an AJP coded response header name to the HTTP response header name.
* @param code the coded value
* @return the string value of the header
*/
public static final String getResponseHeaderForCode(final int code) {
return responseTransArray[code];
}
private static final Hashtable responseTransHash =
new Hashtable(20);
static {
try {
int i;
for (i = 0; i < SC_RESP_AJP13_MAX; i++) {
responseTransHash.put(getResponseHeaderForCode(i),
Integer.valueOf(0xA001 + i));
}
}
catch (Exception e) {
// Do nothing
}
}
public static final int getResponseAjpIndex(String header)
{
Integer i = responseTransHash.get(header);
if (i == null)
return 0;
else
return i.intValue();
}
/**
* CRLF.
*/
public static final String CRLF = "\r\n";
/**
* Server string.
*/
public static final byte[] SERVER_BYTES =
ByteChunk.convertToBytes("Server: Apache-Coyote/1.1" + CRLF);
/**
* CR.
*/
public static final byte CR = (byte) '\r';
/**
* LF.
*/
public static final byte LF = (byte) '\n';
/**
* SP.
*/
public static final byte SP = (byte) ' ';
/**
* HT.
*/
public static final byte HT = (byte) '\t';
/**
* COLON.
*/
public static final byte COLON = (byte) ':';
/**
* 'A'.
*/
public static final byte A = (byte) 'A';
/**
* 'a'.
*/
public static final byte a = (byte) 'a';
/**
* 'Z'.
*/
public static final byte Z = (byte) 'Z';
/**
* '?'.
*/
public static final byte QUESTION = (byte) '?';
/**
* Lower case offset.
*/
public static final byte LC_OFFSET = A - a;
/**
* Default HTTP header buffer size.
*/
public static final int DEFAULT_HTTP_HEADER_BUFFER_SIZE = 48 * 1024;
/* Various constant "strings" */
public static final byte[] CRLF_BYTES = ByteChunk.convertToBytes(CRLF);
public static final byte[] COLON_BYTES = ByteChunk.convertToBytes(": ");
public static final String CONNECTION = "Connection";
public static final String CLOSE = "close";
public static final byte[] CLOSE_BYTES =
ByteChunk.convertToBytes(CLOSE);
public static final String KEEPALIVE = "keep-alive";
public static final byte[] KEEPALIVE_BYTES =
ByteChunk.convertToBytes(KEEPALIVE);
public static final String CHUNKED = "chunked";
public static final byte[] ACK_BYTES =
ByteChunk.convertToBytes("HTTP/1.1 100 Continue" + CRLF + CRLF);
public static final String TRANSFERENCODING = "Transfer-Encoding";
public static final byte[] _200_BYTES =
ByteChunk.convertToBytes("200");
public static final byte[] _400_BYTES =
ByteChunk.convertToBytes("400");
public static final byte[] _404_BYTES =
ByteChunk.convertToBytes("404");
/**
* Identity filters (input and output).
*/
public static final int IDENTITY_FILTER = 0;
/**
* Chunked filters (input and output).
*/
public static final int CHUNKED_FILTER = 1;
/**
* Void filters (input and output).
*/
public static final int VOID_FILTER = 2;
/**
* GZIP filter (output).
*/
public static final int GZIP_FILTER = 3;
/**
* Buffered filter (input)
*/
public static final int BUFFERED_FILTER = 3;
/**
* HTTP/1.0.
*/
public static final String HTTP_10 = "HTTP/1.0";
/**
* HTTP/1.1.
*/
public static final String HTTP_11 = "HTTP/1.1";
public static final byte[] HTTP_11_BYTES =
ByteChunk.convertToBytes(HTTP_11);
/**
* GET.
*/
public static final String GET = "GET";
/**
* HEAD.
*/
public static final String HEAD = "HEAD";
/**
* POST.
*/
public static final String POST = "POST";
}
