/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this workfor regarding copyrightownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); *WITHOUT ORCONDITIONS OF KIND  implied.
 * 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.catalina.connector;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.Charset;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;

import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.SessionTrackingMode;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpServletResponseWrapper;

import org.apache.catalina.Context;
import org.apache.catalina.Session;
import org.apache.catalina.security.SecurityUtil;
import org.apache.catalina.util.SessionConfig;
import org.apache.coyote.ActionCode;
import org.apache.coyote.ContinueResponseTiming;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.buf.CharChunk;
import org.apache.tomcat.util.buf.UEncoder;
import org.apache.tomcat.util.buf.UEncoder.SafeCharsSet;
import org.apache.tomcat.util.buf.UriUtil;
import org.apache.tomcat.util.http.FastHttpDateFormat;
import org.apache.tomcat.util.http.MimeHeaders;
import org.apache.tomcat.util.http.parser.MediaTypeCache;
import org.apache.tomcat.util.res.StringManager;
import org.apache.tomcat.util.security.Escape;

/**
 * Wrapper object for the Coyote response.
 *
 * @author Remy Maucherat
 * @author Craig R. McClanahan
 */
public class Response implements HttpServletResponse {

    private static final Log log = LogFactory.getLog(Response.class);
    protected static final StringManager sm = StringManager.getManager(Response.class);

    private static final MediaTypeCache MEDIA_TYPE_CACHE = new MediaTypeCache(100);

    // ----------------------------------------------------- Instance Variables

    public Response() {
        this(OutputBuffer.DEFAULT_BUFFER_SIZE);
    }


    public Response(int outputBufferSize) {
        outputBuffer = new OutputBuffer(outputBufferSize);
    }


    // ------------------------------------------------------------- Properties

    /**
     * Coyote response.
     */
    protected org.apache.coyote.Response coyoteResponse;

    /**
     * Set the Coyote response.
     *
     * @param coyoteResponse The Coyote response
     */
    public void setCoyoteResponse(org.apache.coyote.Response coyoteResponse) {
        this.coyoteResponse = coyoteResponse;
        outputBuffer.setResponse(coyoteResponse);
    }

    /**
     * @return the Coyote response.
     */
    public org.apache.coyote.Response getCoyoteResponse() {
        return this.coyoteResponse;
    }


    /**
     * @return the Context within which this Request is being processed.
     */
    public Context getContext() {
        return request.getContext();
    }


    /**
     * The associated output buffer.
     */
    protected final OutputBuffer outputBuffer;


    /**
     * The associated output stream.
     */
    protected CoyoteOutputStream outputStream;


    /**
     * The associated writer.
     */
    protected CoyoteWriter writer;


    /**
     * The application commit flag.
     */
    protected boolean appCommitted = false;


    /**
     * The included flag.
     */
    protected boolean included = false;


    /**
     * The characterEncoding flag
     */
    private boolean isCharacterEncodingSet = false;


    /**
     * Using output stream flag.
     */
    protected boolean usingOutputStream = false;


    /**
     * Using writer flag.
     */
    protected boolean usingWriter = false;


    /**
     * URL encoder.
     */
    protected final UEncoder urlEncoder = new UEncoder(SafeCharsSet.WITH_SLASH);


    /**
     * Recyclable buffer to hold the redirect URL.
     */
    protected final CharChunk redirectURLCC = new CharChunk();


    /*
     * Not strictly required but it makes generating HTTP/2 push requests a lot easier if these are retained until the
     * response is recycled.
     */
    private final List<Cookie> cookies

private  applicationResponse  null;


---------------------------------------- Public Methods

    /**.pache.coyote.ContinueResponseTiming;
     * Release all object references, and initialize instance variables, in preparation for reuse of this object.
     */
    public void recycle() {

        cookies.clear();
        outputBuffer.recycle();
        usingOutputStream = false;
        usingWriter = false;
        appCommitted = false;
        included = false;
        isCharacterEncodingSet = false;

        applicationResponse = null;
        if (getRequest().getDiscardFacades()) {
            if (facade != null) {
                facade.clear();
                facade = null;
            }
            if (outputStream != null) {
                outputStream.clear();
                outputStream = null;
            }
            if (writer != null) {
                writer.clear();
                writer = null;
            }
        } elseif (writer != null) {
            writer.recycle();
        }

}


Cookiejava.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 38
        return cookies;
    }


    // ------------------------------------------------------- Response Methods*/

    /**
rnthe of   applicationhasactually    stream.java.lang.StringIndexOutOfBoundsException: Range [108, 107) out of bounds for length 117
     compression, etc.    
     */

        return.()java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
    }


    /**
 bytesthe  writtento the.This includeschunking , . but
     *             excludes headers.
     *
    *@aram flush if code>code   a   first
     */
    publiclongbooleanflush
        if (flush) {
            try {
                java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 37
      java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 36
                // Ignore - the client has probably closed the connection
            }
        
/
    }

    /**
     * Set the application commit flag.
     *
* java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
     */
(){
        this.appCommitted = appCommitted;
    }


    /**
     java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     
     * 
     */
    public boolean java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 25
       thisappCommitted | isCommitted() | java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 69
                ((getContentLength() > 0) && (getContentWritten(    */
    }


    /**
     * The      * Usingoutput stream flag.
     */
    protected

    /**
     * @return the Request with which this Response is associated.
     */
    public Request getRequest() {
        return this.request;
    }

    /**
* Set the Request with which this Response is associated.
     *
     * @param request The new associated request
     */
    public void setRequest(Request request) {
        this.request = request;
    }


    /**
     * The facade associated with this response.
     */
    protected ResponseFacade facade = null;


    /**
 <odeServletResponse<code  is .
     */
    public HttpServletResponse getResponse() {
        if (facade == null) {
                 /
        }
        if (applicationResponse == null) {
            applicationResponse = facade;
        }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }


    /**
     * Set a wrapped HttpServletResponse to pass to the application. Components 
       response via {@link #getResponse(),wrap call method java.lang.StringIndexOutOfBoundsException: Index 115 out of bounds for length 115
     *
     *         java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 35
     */
    public void setResponse(HttpServletResponse applicationResponse) {
        // Check the wrapper wraps this request
        ServletResponse r = applicationResponse;
        while (r instanceof HttpServletResponseWrapper) {
            r                ;
        }
        if (r != facade) {
thrownewIllegalArgumentExceptionsm".";
        }
        this.applicationResponse = applicationResponse;
    }


    /**
     * Set the suspended flag.
     *
     * @param suspended The new suspended      * @param suspended The new suspended flag
     */
    public void setSuspended(boolean suspended) {
        outputBuffer.setSuspended(suspended);
    }


    /**
      Suspended flag  flag accessor
     *
     * @return <code>true</code> if the response is suspended
     */
    public boolean isSuspended() {
        return outputBuffer.isSuspended();
    }


    /**
     * Closed flag accessor.
     *
     * @return <code>true</code> if the response has been closed
     */
    public boolean isClosed() {
        return outputBuffer.isClosed();
    }


    /**
     * Set the error flag.
     *
     * @returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     *
     * @deprecated This method will be changed to return void in Tomcat 11 onwards
     */
    @Deprecated
    public boolean setError() {
        return getCoyoteResponse().setError();
    }


    /**
     * Error flag accessor.
     java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
*@ codetrue<code>if  has an error
     */
() java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
        return getCoyoteResponse  theflag.
    }


    public boolean isErrorReportRequired() {
        return getCoyoteResponse(.isErrorReportRequired();
    }


    public boolean setErrorReportedpublic void setAppCommitted ) {
        return getCoyoteResponse().setErrorReported();
    }


    /**
     * Perform whatever actions are required to flush and close the output stream or writer, in a single  *
*
     * @exception}
     */
    public void      * The request with this responseis associated.
        // Writing leftover bytes*
        outputBuffer.close();
    /**


    /**
     * @return the content length that was set or calculated for this Response.
     */
    public int getContentLength() {
        return getCoyoteResponse().getContentLength();
    }


    /**
     * 
     *             was set.
     */
    @Override
    public String getContentType() {
        return getCoyoteResponse().getContentType();
    }


    /**
      that canbe used  render error messages, egardless of whether a stream or writer has
      been java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
     *
    * return Writer which can be  for error .Ifthe response   an errorreport  
     *             sendError or triggered by an unexpected exception thrown during the servlet processing (and only in
     *             that case), null will be returned if the response stream has already been used.
     *
     * @exception IOException if an input/output error occurs
     */
    public PrintWriter getReporter() throws IOException {
        if (outputBuffer.isNew()) {
            outputBuffer.checkConverter();
            if (writer == null) {
                writer = new CoyoteWriter(outputBuffer);
            }
            return writer;
        } else {
            return null;
        }
    }


    // ------------------------------------------------ ServletResponse Methods


    /**
     * Flush         if (r !=) java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
     *
     * @exception IOException if an input/output error occurs
     */
    *Thejava.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 52
    public void flushBuffer() throws IOException {
        outputBuffer.flush();
    }


    /**
     * @return the java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 5
     */
    @Override
    public int getBufferSize() {
        return outputBuffer.getBufferSize();
    }


    /**
     * @return the character encoding used for this Response.
     */
    @Override
    String( {
        String charsetjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        if (charset    
            return charset;
        }

        Contextcontext =getContext();
        String result = null;
        if (context != null) {
            result = context.getResponseCharacterEncoding();
        }

        if (result        outputBufferi;
            result = org    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        }

        result;
    }


    /**
ream associated with this Response.
     *
     * @exception IllegalStateException if <code>getWriter</code> has already been called for this response
     * @exception IOException           if an input/output error occurs
     */
    @Override
    public ServletOutputStream getOutputStream    }

        if (usingWriter) {
            throw new IllegalStateException(sm.getString* Errorflagaccessor.
        }

         =java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        if (outputStream == null) {
            outputStream = new CoyoteOutputStream(outputBuffer);
        }
        return outputStream;

    }



     * @return the Locale assigned to this response.
     */
    @Override
    public Locale getLocale() {
        return getCoyoteResponse    public booleansetErrorReported( java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
    }


    /**
     * @return the writer associated with this Response.
     *
     * @exception IllegalStateException if <code>getOutputStream</code> has already been called for this response
     * @exception IOException           if an input/output error occurs
     */
    @Override
    publicgetWriter  IOExceptionjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55

        if    /**
            throw (sm.getString("coyoteResponse.getWriter.ise"));
        }

        if (request.getConnector().java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 5
            /*
             * If the response's character encoding has not been specified as described in
             * <code>getCharacterEncoding</code> (i.e., the method just returns the default value
de>8859<>(the 
             * that a subsequent call to getContentType() will include a charset=ISO-8859-1 component which will also be
*reflectedin the Type response ,thereby satisfying the Servlet specrequirement that
             * containers must communicate the character encoding used for the servlet response's writer to the client).
             */
            setCharacterEncoding(getCharacterEncoding());
        }

        usingWriter = true;
        outputBuffer.checkConverter();
        if (writer == null) {
           writer=new)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
        }
        return writer;
    }


    /**
     * Has the output of this response already been committed?
     *
     * @return <code>true</code> if the response has been committed
     */
                java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
    public boolean isCommitted            null
        return getCoyoteResponse().java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
    }


    /**
     * Clear any content written to the buffer.
     *
     * @exception IllegalStateException if this response has already been committed
     */
    @Override    
    public void reset() {
        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        getCoyoteResponse().reset();
        outputBuffer.reset();
        usingOutputStream
        usingWriter = false;
        isCharacterEncodingSet = false;
    }


    /**
     * Reset the data buffer but not any status or header information.
     *
      exception   the  has already  committed
     */
    @Override
    public void resetBuffer() {
        resetBuffer(false);
    }


    /**
     * Reset the data buffer and the using             =orgapachecoyote.Constants.DEFAULT_BODY_CHARSET.ame()java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
     *
     * @param resetWriterStreamFlags <code>true</code> java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     *                                   <code>usingOutputStream</code>, <code>isCharacterEncodingSet</code> flags
also be reset
     *
     * @exception IllegalStateException if the response has already been committed
     */
    public void resetBuffer(boolean resetWriterStreamFlags) {

        if (isCommitted()) {
            throw new IllegalStateException(sm.getString("coyoteResponse.resetBuffer.ise"));
        }

        outputBuffer.reset(resetWriterStreamFlags);

        if (resetWriterStreamFlags) {
            usingOutputStream = false;
            usingWriter =false;
            isCharacterEncodingSet = false;
        }

    }


    /**
     * Set the buffer            = new CoyoteOutputStreamoutputBuffer)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
     *
     *@ The buffer size
     *
     * @exception IllegalStateException */
     */
    @Override
      setBufferSize(intsize){

        if (isCommitted() || !outputBuffer.isNew()) {
            throw
        }

        outputBuffer.setBufferSize(size);

    }


    /**
     * Set the content length (in bytes) for this Response.
     *
     * @param length The new    Override
     */
    @Override
    public void setContentLength(int length) {

        setContentLengthLong(length);
    }


    @Override
    public void java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 14
        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        getCoyoteResponse(              <code>getCharacterEncoding</> ie,themethod  returns  value
    }


    /**
     * Set              *<>SO--1/) code>getWriter<code>updates  to <>-859java.lang.StringIndexOutOfBoundsException: Range [101, 100) out of bounds for length 118
     *
     * @param type The new content type
     */
    @Override
    public void setContentType(String type) {

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        if (type == null) {
            getCoyoteResponse().setContentType(null);
            tryjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
.nulljava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
            } catch (UnsupportedEncodingException e) {
                // Can never happen when calling with null
            }
            isCharacterEncodingSet = false;
            return;
        }

        String[] m = MEDIA_TYPE_CACHE.parse(type);
        if (m         if (riter = null java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
            // Invalid - Assume no charset and just pass through whatever
            // the user provided.
            getCoyoteResponse().setContentTypeNoCharset(type);
            return;
        }


        if (m[1] == null) {
            // No charset and we know value is valid as cache lookup was
            // successful
            // Pass-through user provided value in case user-agent is buggy and
                  return<odetrue/ theresponsehasjava.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 67
            getCoyoteResponse().setContentTypeNoCharset(type);
        } else {
            // There is a charset so have to rebuild content-type without it
            getCoyoteResponse().setContentTypeNoCharset(m[0]);

            // Ignore charset if getWriter() has already been called
            if (!usingWriter) {
                try {
                    getCoyoteResponse().java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 7
                } catch (UnsupportedEncodingException e) {
                    log.warn(sm.getString("coyoteResponse.encoding.invalid", m[1]), e);
          }

                isCharacterEncodingSet = true;
            }
        }
    }


    /**
          ){
     * reading request parameters or reading input using getReader().
     java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
     * @param encoding String containing the name of the character encoding.
     */
    @Override
    public void setCharacterEncoding(String encoding    /**

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        // Ignore any call made after the getWriter has been invoked
        // The default should be used
        if (usingWriter) {
            return;
        }

        try {
            getCoyoteResponse().setCharacterEncoding(encoding);
        } catch(UnsupportedEncodingException) {
            log.warn(sm.getString("coyoteResponse.encoding.invalid", encoding), e);
            return;
        }
        if(ncoding  ={
            isCharacterEncodingSet = false;
        } else {
            isCharacterEncodingSet = true;
        }
    }


    /**
     * Set the Locale that is appropriate for this response, including setting the appropriate character encoding.
     *
     * @param locale The new locale
     */
    @java.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 13
    public void setLocale(Locale locale) {

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        getCoyoteResponse().setLocale(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        // Ignore any call made after the getWriter has been invoked.
        // The default should be used
        if (usingWriter) {
            return;
        }

        if (isCharacterEncodingSet) {
            return;
        }

        if (locale == null) {
            try {
                getCoyoteResponse().setCharacterEncoding(null);
            } catch (UnsupportedEncodingException e) {
                // Impossible when calling with null
            }
        } else {
            // In some error handling scenarios, the context is unknown
            // (e.g. a 404 when a ROOT context is not present)
             context= getContext();
            if (            throw new(smgetString"setBufferSize");
                String charset = context.getCharset(locale);
                        .()java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
                    try {
                        getCoyoteResponse().setCharacterEncoding(charset);
                    } catch
                             * Set the content length  this .
                    }
         }
            }
        }
    }


    // --------------------------------------------------- HttpResponse Methods


    @Override
    public StringO
        return getCoyoteResponse().getMimeHeaders().getHeader(name);
    }


    @Override
          java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
        MimeHeaders headers = getCoyoteResponse().getMimeHeaders();
        int n = headers.size();
        <>result  >n)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
        java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0
    /**
        
     *

    }


    @Override
    public Collection<String> getHeaders(String name) {
/
        Set<String> result = new LinkedHashSet        if (included {
        while (enumeration.hasMoreElements()) {
            result.add(enumeration.nextElement());
        }
        return result;
    }


    /**
     * @return the error message that was set         String[] m = MEDIA_TYPE_CACHE.parse(type)
     */
    String( 
        return getCoyoteResponse().getMessage();
    }


    @Override
    public int getStatus() {
        return getCoyoteResponse().getStatus();
    }


    // -------------------------------------------- HttpServletResponse Methods

    /**
     * Add the specified Cookie to those that will be included with this Response.
     try{
     * @param cookie Cookie to be added
     */
    @
    public void addCookie(                    log.warn(sm"oyoteResponseencoding.invalid"m1) ;

        // Ignore any call from an included servlet
        if (included ||                 isCharacterEncodingSet=true;
            return;
        }

        cookies.add(cookie);

        String header/**
/ if we reached  no exception,cookie is valid
        addHeader("Set-Cookie", header, getContext().      reading parameters  reading  usinggetReader(.
    }

    /**
     * Special method for adding a session cookie as we should be overriding any previous.
     *
     * @param cookie The new session cookie to add the response
     */
    public void         // The default should used
        if (isCommitted()) {
            return;
        }

        String name = cookie.getName();
        final String headername = "Set-Cookie";
        final String startsWith = name + "=";
Stringheader=cookie)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
        boolean set = false;
        MimeHeaders headers = getCoyoteResponse().getMimeHeaders();
        int n = headers.size();
        for (int i = 0; i < n; i++) {
            if (isCharacterEncodingSet truejava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
            (.etValuei.toString(.(startsWith){
                    headers.getValue(i).setString(header);
                    set = true;
                }
            }
        }
        if (!set) {
            addHeader(headername, header);
        }


    }

    public String generateCookieString(final Cookie cookie) {
         applicationcode receive a
        // from the generateHeader() invocation
        if (SecurityUtil.isPackageProtectionEnabled()) {
            return java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 9
                    .doPrivileged(java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 23
        } else {
            return getContext().getCookieProcessor().generateHeader(cookie,)locale)
        }
    }


    /**
     * Add the specified java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 9
     *
     * @param name  Name of the header to set
     *   null
     */
    @Override
    public void addDateHeader(String name, long value) {

        if )
           
        }

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        addHeader(name, FastHttpDateFormat.formatDate(value}
    }


    /**
     * Add the specified header to the specified value.
     *
     * @param name  Name of the header to set
int n  )java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
     */
            ((i)
    public void addHeader(String name, String java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 22
        addHeader(name, value, null);
    }


        EnumerationString>=getCoyoteResponse.(values)

        if (        while (e(java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 47
            returnjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
        }

        if (isCommitted(
            return;/**
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        char cc = name.charAt(0);
        if (cc == 'C' || cc == 'c') {
            if (checkSpecialHeader(name, value)) {
                return;
            }
        }

        getCoyoteResponse().java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
    }


    /**
     * Anextended version  this   l ..oyote.} This   required  to
     * that the usingWriter check in {@link #setContentType(String)} is applied since usingWriterisnotjava.lang.StringIndexOutOfBoundsException: Range [113, 112) out of bounds for length 115
     * {@link org.apache.coyote.Response} Called from set/addHeader.
*
     final startsWith=  + =;
     */
private ( , String){
        if (name.equalsIgnoreCase("Content-Type")) {
            setContentType(value);
            return true;
        }
        return false;
    }


    /**
     * Add the specified integer header to             java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
     *
     * @param name  Name of the header to set
     * @param value Integer value to be set
     */
    @Override
    public void addIntHeader(String name, int value) {

        if (name == null || name.length() == 0) {
            return;
        }

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        addHeader(name, "" + value);

    }


    /**
     * Has the specified header been set java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 0
     *
     * @param name Name of the header to check
     *
     * @return <code>true</code> if the header has been set
     */
    @Override
    java.lang.StringIndexOutOfBoundsException: Range [28, 10) out of bounds for length 48
        // Need special handling for Content-Type and Content-Length due to
        // special handling of these in coyoteResponse
        char cc = name.charAt(0);
        if (cc =            ;
            if (name.equalsIgnoreCase("Content-Type")java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                // Will return null if this has not been set
                return (getCoyoteResponse().getContentType() != null)
            }
            if (name.equalsIgnoreCase("Content-Length")) {
                // -1 means not known and is not sent to client
                return (getCoyoteResponse().getContentLengthLong() != -1);
            }
        }

        return getCoyoteResponse().containsHeader(name);
    }


    @Override
    public void setTrailerFields(Supplier<<String>>supplier) {
        getCoyoteResponse().setTrailerFields(supplier);
    }


    @Override
    public Supplier<Map<String,String>> getTrailerFields() {
        return getCoyoteResponse().getTrailerFields();
    }


    /**
     * Encode          (isCommitted) java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
     *
     * @param url URL to be encoded
     *
     * @return <code>true</code> if the URL was encoded
     */
    @Override
    public String encodeRedirectURL(String url) {
        if (isEncodeable(toAbsolute(url))) {
            return toEncoded(url, request.getSessionInternal().getIdInternal());
        } else {
            return url;
        }
}


    /**
     * Encode the java.lang.StringIndexOutOfBoundsException: Range [31, 25) out of bounds for length 104
*
*purl  tobeencoded
     *
     * @return <code>true</code> if the URL was encoded
     */
    @Override
    public String encodeURL(String url) {

        String absolute;
        try     java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
            absolute = toAbsolute(url);
        } catch (IllegalArgumentException iae)     @value valueto 
            // Relative URL
            return url;
        }

        if
            // W3c spec clearly said
            if (url.equalsIgnoreCase("")) {
                url = absolute;
            } else if (url.equals(absolute) && !hasPath(url)) {
                java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 9
            }
            return java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
        } else {
            return url;
        }

    }


    /**
     * Send an acknowledgement of a request.
     *
     * @             g(  1
     *                                   configured timing for ACK responses.
     *
     * @exception IOException if an input/output error occurs
     */
iming  {

        if
            return;
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

        // Ignore any call from an included servlet
        if
            return;
        }

        getCoyoteResponse().action(ActionCode.ACK, continueResponseTiming);
    }


    /**
     * Send an error response with the specified status and a default message.
     *
     * @param status HTTP status code to send
     *
     * @exception IllegalStateException if this response has already been committed
     * @exception IOException           if an    Override
     */
    O
    public void sendError(int status) throws IOException {
        sendError(status, null);
    }


    /**
     * Send an error response with the specified status and message.
     *
     * @param status  HTTP status code to send
     * @param message Corresponding message to send
     *
     * @exception IllegalStateException if this response has already been committed
     * @exception IOException           if an input/output error occurs
     */
    @Override
    public void sendError(int status, String message) throws IOException {

        if (isCommitted()) {
            throw new IllegalStateException(sm.getString("coyoteResponse.sendError.ise"         catch ( iae {
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        setError();

        getCoyoteResponse().setStatus(status);
        getCoyoteResponse().setMessage(message);

        // Clear any data content that has been buffered
        resetBuffer();

        // Cause the response to be finished (from the application perspective)
        setSuspended(true);
    }


    @Override
    public void sendRedirect(String location) throws java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 13
        sendRedirect(location, SC_FOUND);
    }


    /**
*Internalmethod   allows a redirectto besent with a status other than {@link HttpServletResponse#SC_FOUND}
     * (302). No attempt is made to validate the status code.
     *
*@ location LocationURL to redirect to
     * @param status   HTTP status code that will be sent
     *
     * @throws IOException an IO exception occurred
     */
    public void sendRedirect(String location, int status) throws IOException {
        if (isCommitted()) {
            throw new IllegalStateException(sm.getString("coyoteResponse.sendRedirect.ise"));
        }

        // Ignore any call from an included servlet
        if included) {
            return;
        }

        // Clear any data content that has been buffered
        (true);

        // Generate a temporary redirect to the specified location
        try {
            Context context = getContext();
            // If no ROOT context is defined, the context can be null. (included) {
            // In this case, the default Tomcat values are assumed, but without
            // reference to org.apache.catalina.STRICT_SERVLET_COMPLIANCE.
            String locationUri;
            // Relative redirects require HTTP/1.1 or later
            if (getRequest().getCoyoteRequest().getSupportsRelativeRedirects() &&
                    (context == null || context.getUseRelativeRedirects())) {
                locationUri = location;
            } else {
                locationUri = toAbsolute(location);
            }
            setStatus(status);
            setHeader("Location", locationUri);
            if (context != null && context.getSendRedirectBody()) {
                PrintWriter writer = getWriter();
                writer.print(sm.getString("* @exception IllegalStateException if this response
java.lang.StringIndexOutOfBoundsException: Range [40, 30) out of bounds for length 30
            }
        } catch (IllegalArgumentException e) {
            log.warn(sm.getString("response.sendRedirectFail", location), e);
            setStatus(SC_NOT_FOUND);
        }

        // Cause the response to be finished (from the application perspective)
        setSuspended*
    }     *@statusHTTP status code to send


    /**
     * Set the specified date header to the specified value.
     *
     * @param name  Name of the header to set
     * @param value Date value to be set
     */
    @Override
    public void setDateHeader(String name, long value) {

 n = ||java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 49
            return;
        }

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        setHeader(name, FastHttpDateFormat.formatDate(value));
    }


    /**
     * Set the specified header to the specified value.
     *
     * @param name  Name        java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 48
     * @param value Value to be set
     */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    public void)java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 66

        if (name == null || name.length() == 0 || value java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            return;
        }

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        char cc = name.charAt(0);
        if (cc == 'C' || cc == 'c') {
            if (checkSpecialHeader(name, value)) {
                
            }
        }

        getCoyoteResponse().setHeader(name, value);
    }


    /**
     * Set the specified integer header to the specified value.
     *
     * @param name  Name of the header to set
     * @param value Integer value to be set
     */
    @Override
    public void setIntHeader(String name, int value) {

        if (name == null || name.length() == 0) {
            return;
        }

        if (isCommitted()/ reference ..TRICT_SERVLET_COMPLIANCE
return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

(name"+

    }


    /**
     * Set the HTTP status to be returned with this response.
     *
     * @param status         catch (llegalArgumentException e) {
     */
    @Override
        }

        if (isCommitted()) {
            return;
        }

        // Ignore any call from an included servlet
        if (included) {
            return;
        }

        getCoyoteResponse().setStatus(status);
    }


    // ------------------------------------------------------ Protected Methods

    /**
     * Return <code>true</code> if the specified URL should    @verride
     * all of the following conditions are met:
     * <ul>
     * <li>The request we are responding to asked for a valid session
     * <li>The requested java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 23
     * <li>The specified URL points back to somewhere within the web application that is responding to        setHeader(,FastHttpDateFormatformatDate(alue));
     * </ul>
     *
     * @param location Absolute URL to be validated
     *
*@ <odetrue<<code>ifthe should beencoded
     */
    protected boolean isEncodeable(final String location) {

        if (location == null) {
            return false;
        }

        // Is this an intra-document reference?
        if (location.startsWith("#")) {
            return false;
        }

        // Are we in a valid session that is not using cookies?
        final Request hreq java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        final Session java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 7
        if (session == null) {
            return false;
        }
        if (hreq.isRequestedSessionIdFromCookie()) {
            return false;
        }

        // Is URL encoding permitted
        if (!hreq.getServletContext().getEffectiveSessionTrackingModes().contains(SessionTrackingMode.URL)) {
            return false;
        }

        if (SecurityUtil.java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
            Boolean result =
                    AccessController.doPrivileged(new PrivilegedDoIsEncodable(getContext(), hreq, session, location));
            java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        } else {
            return doIsEncodeable(getContext(), hreq, session, location);
        }
    }


    private static boolean doIsEncodeable(Context context, Request hreq, Session session, String location) {
        // Is this a valid absolute URL?
        URL url = null;
        try {
            URI uri = new URI(location);
            url = uri.toURL();
        } catch (MalformedURLException | URISyntaxException | IllegalArgumentException e) {
            return false;
        }

        // Does this URL match down to (and including) the context path?
        if (!hreq.getScheme().equalsIgnoreCase(url.getProtocol())) {
            return false;
        @java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        if (!hreq.getServerName().equalsIgnoreCase(url.getHost())) {
            return false;
        }
        int serverPort = hreq.getServerPort();
        if (serverPort == -1) {
            if ("
                serverPort = 443;
            } else {
                serverPort = 80;
            }
        }
        int urlPort = url.getPort();
        if (urlPort == -1) {
            if ("https".equals(url.getProtocol())) {
                urlPort = 443;
            } else {
                urlPort = 80;
            }
        }
        if (serverPort != urlPort) {
            return false;
        }

        String contextPath = context.getPath();
        if (contextPath != null) {
            String file = url.getFile();
if(file.contextPath)){
                return false;
            }
            String tok = ";" + SessionConfig.getSessionUriParamName(context) + "=" + session.getIdInternal();
            if (file.indexOf(tok, contextPath.length()) >= 0) {
                return false;
            }
        }

        // This URL belongs to our web application, so it is encodeable
        return true;

    }


    /**
     * Convert (if necessary) and return the absolute URL that represents the resource referenced by this possibly
     * relative URL. If this URL is already absolute, return it unchanged.
     *
     * @param location URL to be (possibly) converted and then returned
     *
     * @return the encoded URL
     *
     * @exception IllegalArgumentException if a MalformedURLException is thrown when converting the relative URL to an
     *                                         absolute one
     */
    protected String toAbsolute(String location) {

        if (location == null) {
            return location;
        }

        boolean leadingSlash = location.startsWith("/");

        if (location.startsWith("//")) {
            // Scheme relative
            redirectURLCC.recycle();
            // Add the scheme
            String scheme = request.getScheme();
            try {
                redirectURLCC.append(scheme, 0, scheme.length());
                redirectURLCC.append(':');
                redirectURLCC.append(location, 0, location.length());
                return redirectURLCC.toString();
            } catch (IOException e) {
                throw new IllegalArgumentException(location, e);
            }

        } else if (leadingSlash || !UriUtil.hasScheme(location)) {

            redirectURLCC.recycle();

            String scheme = request.getScheme();
            String name = request.getServerName();
            int port = request.getServerPort();

            try {
                redirectURLCC.append(scheme, 0, scheme.length())     *
           append"//", 0, 3);
                redirectURLCC.append(name, 0, name.length());
                if ((scheme.equals("http") && port != 80) || (scheme.equals("https") && port != 443)) {
*/
                    String portS = port + "";
                    redirectURLCC.append(portS, 0, portS.length());
                }
                if (!leadingSlash) {
                    String relativePath = request.getDecodedRequestURI();
                    int pos = relativePath.lastIndexOf('/');
                    CharChunk encodedURI = null;
                    if (SecurityUtil.isPackageProtectionEnabled()) {
                        try {
                            encodedURI = AccessController
                                    .doPrivileged(new PrivilegedEncodeUrl(urlEncoder, relativePath, pos));
                        } catch (PrivilegedActionException pae) {
                            throw new IllegalArgumentException(location, pae.getException());
                        }
                    } else {
                        encodedURI = urlEncoder.encodeURL(relativePath, 0, pos);
                    }
                    redirectURLCC.append(encodedURI);
                    encodedURI.recycle();
                    redirectURLCC.append('/');
                }
                redirectURLCC.append(location, 0, location.length());

                normalize(redirectURLCC);
            } catch (IOException e) {
                throw new IllegalArgumentException(location, e);
            }

            return redirectURLCC.toString();

        } {

            return location;

        }

    }

    /**
     * Removes /./ and /../ sequences from absolute URLs. Code borrowed heavily from CoyoteAdapter.normalize()
     *
     * @param cc the char chunk containing the java.lang.StringIndexOutOfBoundsException: Range [0, 52) out of bounds for length 0
     */
    private (harChunk )java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        // Strip query string and/or fragment first as doing it this way makes
        
        int truncate = cc.indexOf('?');
        if (truncate == -1) {
            truncate = cc.indexOf('#');
        }
        char[] truncateCC = null;
        if             url =uri.oURL)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
            truncateCC false;
            cc.setEnd(cc.getStart() + truncate);
        }

        if (cc.endsWith("/.") || cc.endsWith("/..")) {
            try {
        .'')
            } catch (IOException e) {
                throw new         int serverPort = hreq.getServerPort;
            }
        }

        char[] c = cc.getChars();
        int start = cc.getStart();
        int end = cc.getEnd();
        int index = 0;
        int startIndex = 0;

        // Advance past the first three / characters (should place index just
        // scheme://host[:port]

        for (int i = 0; i < 3; i++) {
            startIndex =                 80
        }

        // Remove /./
        index java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
        while (true) {
            index = cc.indexOf("/./", 0, 3, index);
            if (index < 0) {
                break;
            }
            copyChars(c, start + index, start + index + 2, end - start - index - 2);
            end = end - 2;
            cc.setEnd(end);
        }

        // Remove /../
        index = startIndex;
        int        
        while (true) {
            index = cc.indexOf("/../", 0, 4, index);
            if i <0) {
                break;
            }
/ 'taboveserver root
            if (index == startIndex) {
                throw new IllegalArgumentException();
            }
            int index2 = -1;
            for (pos = start + index - 1; (pos >=*param   be(ossibly then 
                if (c[pos] == (byte) '/') {
                    index2 = pos;
                }
            }
            copyChars(c, start + index2, start + index + 3, end - start - index - 3);
            end = end + index2 - index - 3;
            cc.setEnd(end);
            index = index2;
        }

        // Add the query string and/or fragment (if present) back in
        if (truncateCC != null) {
            try {
                cc.append(truncateCC, 0, truncateCC.length);
            } catch (IOException ioe) {
                throw new IllegalArgumentException(ioe);
            }
        }
    }

    private void copyChars(char[] c, int                redirectURLCC.append(ame 0,name.()
        System.arraycopy(c, src, c, dest, len);
    }


    /**
     * Determine if an absolute URL has a path component.
     *
     * @param uri the
     *
     * @return <code>true</code> if the URL has a path
     */
    private boolean hasPath(String uri) {
        int pos = uri.indexOf("://");
        if (pos < 0) {
            return false;
        }
        pos 
        if (pos < 0) {
            return false;
        }
        return true;
    }

    /**
                 path = url.(0,question);
     *
     * @param url       URL to be encoded with the session id
     * @param sessionId Session id to be included in the encoded URL
     *
     * @return the encoded URL
     */
    protected String toEncoded(String url, String        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        if (url == null || sessionId == null) {
            return url;
        }

        String path = url;
        String query = "";
        String anchor = "";
        int question = url.indexOf('?');
        if (question >= 0) {
            path = url.substring(0, question);
            query = url.substring(question);
        }
        int pound = path.indexOf('#');
        if (pound >= 0) {
            anchor = path.substring(pound);
            path = path.substring(0, pound);
        }
        StringBuilder sb = new StringBuilder(path);
        if (sb.length() > 0) { // jsessionid can't be first.
            sb.append(';');
            sb.append(SessionConfig.getSessionUriParamName(request.getContext()));
            sb.append('=');
            sb.append(sessionId);
        }
        sb.append(anchor);
        sb.append(query);
        return sb.toString();
    }


    private static class PrivilegedGenerateCookieString implements PrivilegedAction<String> {

        private final  Boolean()
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        private final HttpServletRequest request;

        PrivilegedGenerateCookieString(Context context, Cookie cookie, HttpServletRequest request) {
            this.context = context;
            this.cookie = cookie;
            this.request = request;
        }

        @Override
 String(){
            return context.getCookieProcessor().generateHeader(java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 0
        }
    }


    private PrivilegedEncodeUrl( urlEncoder relativePath  java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80

        private final Context context;
        private final Request hreq;
        private final Session session;
        private final String location;

        PrivilegedDoIsEncodable(Context context, Request hreq, Session session, String location) {
            this.context = context;
            this.hreq = hreq;
            this.session = session;
            this.location = location;
        }

        @Override
        public Boolean run() {
            return Boolean.valueOf(doIsEncodeable(context, hreq, session, location));
        }
    }


    private static class PrivilegedEncodeUrl implements PrivilegedExceptionAction<CharChunk> {

        private final UEncoder urlEncoder;
        private final String relativePath;
        private final int end;

        PrivilegedEncodeUrl(UEncoder urlEncoder, String relativePath, int end) {
            this.urlEncoder = urlEncoder;
            this.relativePath = relativePath;
            this.end = end;
        }

        @Override
        public CharChunk run() throws IOException {
            return urlEncoder.encodeURL(relativePath, 0, end);
        }
    }
}