com.predic8.membrane.core.util.HttpUtil Maven / Gradle / Ivy
/* Copyright 2009, 2012 predic8 GmbH, www.predic8.com
Licensed 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 com.predic8.membrane.core.util;
import com.predic8.membrane.core.http.*;
import com.predic8.membrane.core.http.Response.*;
import com.predic8.membrane.core.transport.http.*;
import java.io.*;
import java.net.*;
import java.text.*;
import java.util.*;
import static com.predic8.membrane.core.Constants.*;
import static com.predic8.membrane.core.http.MimeType.*;
import static java.nio.charset.StandardCharsets.*;
import static org.apache.commons.text.StringEscapeUtils.*;
public class HttpUtil {
private static final DateFormat GMT_DATE_FORMAT = createGMTDateFormat();
private final static int MAX_LINE_LENGTH;
static {
String maxLineLength = System.getProperty("membrane.core.http.body.maxlinelength");
MAX_LINE_LENGTH = maxLineLength == null ? 8092 : Integer.parseInt(maxLineLength);
}
/*
* @TODO Rewrite with DateTime
*/
public static DateFormat createGMTDateFormat() {
SimpleDateFormat gmtDateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
gmtDateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return gmtDateFormat;
}
public static String readLine(InputStream in) throws IOException, EndOfStreamException {
StringBuilder line = new StringBuilder(128);
int b;
int l = 0;
while ((b = in.read()) != -1) {
if (b == 13) {
//noinspection ResultOfMethodCallIgnored
in.read();
return line.toString();
}
if (b == 10) {
in.mark(2);
if (in.read() != 13)
in.reset();
return line.toString();
}
line.append((char) b);
if (++l == MAX_LINE_LENGTH)
throw new LineTooLongException(line.toString());
}
throw new EOFWhileReadingLineException(line.toString());
}
public static Response setHTMLErrorResponse(ResponseBuilder responseBuilder, String message, String comment) {
Response response = responseBuilder.build();
response.setHeader(createHeaders(TEXT_HTML_UTF8));
response.setBodyContent(getHTMLErrorBody(message, comment).getBytes(UTF_8));
return response;
}
private static String getHTMLErrorBody(String text, String comment) {
@SuppressWarnings("StringBufferReplaceableByString")
StringBuilder buf = new StringBuilder(256);
buf.append("""
\r
\r
\r
Internal Server Error \r
\r
\r
Internal Server Error
""");
buf.append("
");
buf.append("While processing your request, the following error was detected. ");
buf.append(comment);
buf.append("
\r\n");
buf.append("");
buf.append(escapeHtml4(text));
buf.append("");
buf.append("");
buf.append("");
return buf.toString();
}
public static Response createSOAPValidationErrorResponse(String message) {
Response response = new Response();
response.setStatusCode(400);
response.setStatusMessage("Bad request");
response.setHeader(createHeaders(TEXT_XML_UTF8));
response.setBodyContent(getFaultSOAPBody(message).getBytes(UTF_8));
return response;
}
private static String getFaultSOAPBody(String text) {
return getFaultSOAPBody("Message validation failed!", text);
}
public static String getFaultSOAPBody(String title, String text) {
return """
soapenv:Server
%s
%s
"""
.formatted(SOAP11_NS, escapeXml11(title), escapeXml11(text))
.replace("\n", CRLF);
}
public static String getFaultSOAP12Body(String title, String text) {
return """
soapenv:Receiver
%s %s
"""
.formatted(SOAP12_NS, escapeXml11(title), escapeXml11(text))
.replace("\n", CRLF);
}
// public static Response createResponse(int code, String msg, byte[] body, String contentType, String... headers) {
// Response res = new Response();
// res.setStatusCode(code);
// res.setStatusMessage(msg);
// res.setHeader(createHeaders(contentType, headers));
//
// if (body != null) res.setBodyContent(body);
// return res;
// }
public static Header createHeaders(String contentType, String... headers) {
Header header = new Header();
if (contentType != null ) header.setContentType(contentType);
synchronized (GMT_DATE_FORMAT) {
header.add("Date", GMT_DATE_FORMAT.format(new Date()));
}
header.add("Server", PRODUCT_NAME);
header.add("Connection", Header.CLOSE);
for (int i = 0; i "Continue";
case 200 -> "Ok";
case 201 -> "Created";
case 202 -> "Accepted";
case 204 -> "No Content";
case 206 -> "Partial Content";
case 301 -> "Moved Permanently";
case 302 -> "Found";
case 304 -> "Not Modified";
case 307 -> "Temporary Redirect";
case 308 -> "Permanent Redirect";
case 400 -> "Bad Request";
case 401 -> "Unauthorized";
case 403 -> "Forbidden";
case 404 -> "Not Found";
case 405 -> "Method Not Allowed";
case 409 -> "Conflict";
case 415 -> "Unsupported Mediatype";
case 422 -> "Unprocessable Entity";
case 500 -> "Internal Server Error";
case 501 -> "Not Implemented";
case 502 -> "Bad Gateway";
case 503 -> "Service Unavailable";
case 504 -> "Gateway Timeout";
default -> "";
};
}
public static String unescapedHtmlMessage(String caption, String text) {
return "" + caption
+ " " + ""
+ caption + "
"
+ text + "
";
}
public static String htmlMessage(String caption, String text) {
return unescapedHtmlMessage(
escapeHtml4(caption),
escapeHtml4(text));
}
}