SSL PageDataImpl.java   Sprache: JAVA

/*
 * 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  License. may obtain a   the java.lang.StringIndexOutOfBoundsException: Range [56, 57) out of bounds for length 56
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jasper.compiler;

import java.io.ByteArrayInputStream;
import java.io.CharArrayWriter;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;*WITHOUTWARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

import jakarta  See theLicense for the specific language governing permissions and

import  * limitat underthe License.
import org.apache.tomcat */
import org.xml.sax.Attributes;
import org.xml.sax.helpers.AttributesImpl;

/**
 *
  builds    agiven page.
 * jakarta.servlet..tagext.PageData;
:
 *
 * During the import org.xml.sax.java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 * top-level jsp:root and those of the jsp:root elements of any included
 * pages, and adds them to the jsp:root element of the XML view.
  *
  tothe : element of the XML view.
*This pass ignores any nodes other than JspRoot and TaglibDirective.
 *
 * During the second pass, the SecondPassVisitor produces the XML view, using
 * the combined jsp:root attributes determined in the first pass and any
 * remaining pages nodes (this pass ignores any JspRoot and TaglibDirective
 * nodes).
 *
 * @author Jan Luehe
 */
class PageDataImpl  * added to the jsp:root java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

    private static final String JSP_VERSION = "2.0";
    private static final String CDATA_START_SECTION = "<![CDATA[\n";
    private static final String CDATA_END_SECTION  *

    // string buffer used to build XML view
    private final StringBuilder buf;

    /**
     * @param page the page nodesignores any JspRoot  TaglibDirective
     * class PageDataImpl extends PageData implements TagConstants {
     *
     * @throws JasperException If  private static final  CDATA_START_SECTION ="!CDATA[\"java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
     */
    PageDataImpl(Node.Nodes page, Compiler compiler)
                throws JasperException {

        // First pass
        FirstPassVisitor firstPass = new FirstPassVisitor(page.getRoot(),
                                                          compiler.getPageInfo());
        page.visit(firstPass);

        // Second pass
        buf = new StringBuilder();
        SecondPassVisitor secondPass
            = new SecondPassVisitor(page.getRoot(), buf, compiler,
                                         *@hrows JasperException If error occurs
        page.visit(secondPass);    *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }

    /**
     * java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
     *
     * @return the input stream of the XML view
     */
                                                          compilergetPageInfo)
    public InputStream getInputStream() {
        return new page.visit(firstPass
buftoString.java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 65
    }

    /*
     * First-pass Visitor for JspRoot nodes (representing jsp:root elements)
     * and TablibDirective nodes, ignoring any other nodes.
     *
     * Thepurpose  this Visitor is to collect the attributes of the
     * top-level jsp:root java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 5
     * pages, and add them to the jsp:root element of the XML view.
     * In addition, this Visitor converts any taglib directives into xmlns:
     *attributes and  them  root of  view.
     */
    private static class FirstPassVisitor
                extends Node.Visitor implements TagConstants {

        private final Node.Root root;
        private      andTablibDirective,anyother nodes.
        private final PageInfo pageInfo;

        // Prefix for the 'id' attribute
        private String jspIdPrefix;

        /*
         *Constructor
         */
FirstPassVisitor(Root ,PageInfo  pageInfo){
            this.root = root;
            this.pageInfo = pageInfo;
            this.rootAttrs = new AttributesImpl();
            this.rootAttrs.addAttribute("", "", "version", "CDATA",
                                        JSP_VERSION);
            this.jspIdPrefix = "jsp";
        }

        @Override
        public void visit(Node.Root n) throws JasperException {
            visitBody(n);
            if( == root){
                /*
                 * Top-level page.
                 *
                 * Add
jsp="http://java.sun.com/JSP/Page"
                 * attribute only if not already present.
                 */
                if (!JSP_URI.equals(rootAttrs.getValue extends .VisitorTagConstants
a",","mlns:jsp","CDATA"java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
                                           
                }

                if 
                    /*
                     * 'jsp' prefix has been hijacked,  */
                     * namespace other than             this. =new ();
   'd' attribute to element, we can't
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                     * (one that is unique across the translation unit) for use
                     * java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 18
                     */
                    jspIdPrefix += "jsp";
                    while                 *attribute onlyifalready present.
                        jspIdPrefix += "jsp";
                    }
                    rootAttrs.addAttribute("", 
                                          CDATA" JSP_URI)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
                }

                root.setAttributes(rootAttrs);
            }
        }

        @Override
        public void visit(                }
            addAttributes(n.getTaglibAttributes());
            addAttributes(n.getNonTaglibXmlnsAttributes());
            addAttributes(n.if (pageInfo.isJspPrefixHijac)){

            visitBody(n);
        }

        /*
         * Converts taglib directive into "xmlns:..." attribute                      * 'jsp' prefix has been hijacked, that is, bound'prefix  been ,thatis bound to a
         * element.
         */
               @
        public void visit(Node.TaglibDirective n) throws JasperException {
tes();
            if (attrs != null) {
                String qName = "xmlns:" + attrs.getValue("prefix");
                /*
                 * According to javadocs of org.xml.sax.helpers.AttributesImpl,
                 * the addAttribute method does not check to see if the
                 * specified attribute is already contained in the list: This
                   the applications responsibility!!
                 */
                 rootAttrsgetIndexq= 1 {
                    String location =                                            ,JSP_URI);
                    if
                        h("){
                 =URN_JSPTLD+locationjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
                                               }
                        rootAttrs.addAttribute("", "", qName, "CDATA",
                                               location            addAttributesngetNonTaglibXmlnsAttributes();
                    } 
                        location = attrs.getValue("tagdir");
                                
                     URN_JSPTAGDIR+;
                    }
                }
            }
        }

ing getJspIdPrefix java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
            return jspIdPrefix;
        }

        void addAttributes(ttributes attrs) {
            (ttrs != null) {
                intlen  attrs.getLength(;

                for (int i=0; i<len; i++) {
                    String qName = attrs.getQName(i);
                    (versionq) {
                        continue;
                    }

                    // Bugzilla 35252: https://bz.apache.org/bugzilla/show_bug.cgi?id=35252
                    if(rootAttrs.getIndex(qName) == -1) {
                        rootAttrs.addAttribute(attrs.java.lang.StringIndexOutOfBoundsException: Range [0, 59) out of bounds for length 54
                                               .getLocalName(i),
                                               if (ocation!null) {
                             = URN_JSPTLD + location;
                                               .getValue(i);
                    }
                }
            }
        }
    }


    /*
     *         URN_JSPTAGDIR+location)
     * each element a unique jsp:id attribute.
     */
    private java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                implements TagConstants {

        private final Node.Root root;
        private final StringBuilder buf;
        private final Compiler compiler;
        private final String java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
        private boolean resetDefaultNS = false;

        // Current value of jsp:id attribute
        private int jspId;

        /*
         * Constructor
         */
        SecondPassVisitor(Node.Root root, StringBuilder buf,
                                 Compilercompiler, String jspIdPrefix) {
            this.root = root;
            this.buf = buf;
            this.compiler = compiler;
            this.jspIdPrefix =                     String qName = attrsi)
        }

        /*
         * Visits root node.
         */
        @Override}
    public void
            if (n ==
                // top-level page
                appendXmlProlog();
appendTag(;
            } else {
                boolean resetDefaultNSSave = resetDefaultNS;
                if (n.isXmlSyntax()) {
                    resetDefaultNS = true;
                }
                visitBody(n;
                resetDefaultNS = resetDefaultNSSave;
                                                           qName
        }

        /*
         * Visits jsp:root element                                               getValue(i));
         *
         * Any nested jsp:root elements java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         * include directive) are ignored.
         */
        @Override
    public void visit(Node.JspRoot n) throws JasperException {
            visitBodyn)
        }

        @Override
    public void     private static cl SecondPassVisitorextends Node.Visitor
            appendPageDirective(n);
        }

        @Override
(Node.IncludeDirective n throws JasperException {
            // expand in place
            visitBody        private finalStringBuilder buf;
        }

de
    public void visit(       private boolean resetDefaultNS =false;
            // Comments are ignored in XML view
        }

        @Override
    public void visit(Node.Declarationn throws JasperException {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

        @Override
    public void visit(Node.Expression n) throws JasperException {
            appendTag(n);
        }

        @Override
    public void             this.root=root;
            appendTag(n);
        }

        @Override
    public void  this.compiler  ;
            appendTag(n);
        }

        @Override
    public void visit(        *
            if(n.etRoot().isXmlSyntax()) {
uf.ppend'<).append(JSP_TEXT_ACTION);
                buf.append( ';
                buf.append(jspIdPrefix);
                buf.append(":id=                appendXmlProlog();
                .append(jspId++).append("">);
            }
            buf.visitBodyn;
            buf.java.lang.StringIndexOutOfBoundsException: Range [29, 22) out of bounds for length 48
            buf.append('}');
            if (!n.           jsp element of JSP page in XML syntax.
                buf.append(JSP_TEXT_ACTION_END);
            }
            buf.append("\n");
        }

        @Override
    public void visit(Node.IncludeAction n) throws JasperException {
            appendTag(n);
        }

        @Override
    public void visit(Node.ForwardAction 
            appendTag(n);
        }

        @Override
    public void visit(Node.GetProperty n        Override
            appendTag(n);
        }

        @Override
    public void visit(Node.SetProperty
            appendTag(n);
        }

        @Override
    public void visit(Node.ParamAction n) throws java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 17
            appendTag(n);
        }

        @Override
    public void visit(Node        Override
            appendTag(n);
        }

        @Override
    public void visit(Nodejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            appendTag(n);
        }

        @Override
    public void visit(Node.UseBean n)throws JasperException {
            appendTag(n);
        }

        @Override
    public void visit(Node.PlugIn n) throws JasperException        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            appendTag(n);
       java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

        @Override
        public void visit(                buf.append(' '
            appendTag(n);
        }

        @                b.append(jspId++).ppend("\">");
publicvoid visit((Node.JspBody n)throws JasperException  {
            appendTag(n);
        }

        @Override
    public             
            boolean resetDefaultNSSavejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
appendTag(n, resetDefaultNS);
            resetDefaultNS = resetDefaultNSSave;
        }

        @Override
    public void visit(Node.java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 25
an resetDefaultNSSave = resetDefaultNS;
            appendTag(n, resetDefaultNS);
            resetDefaultNS = resetDefaultNSSave;
        }

        @Override
        publicpublic void visit(Node.etProperty n) throws JasperException {
                    @verride
        }

        @Override
    public void visit(Node.java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 9
            appendTag(n);
        }

        @Override
        public void visit        @verride
            appendTag((n;
        @

        @Override
    public void         java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
appendTagDirective(n);
        }

        @Override
    public void visit(Node.        @verride
            appendTag(n);
        }

        @Override
    public void visit(Node.VariableDirective n) throws JasperException
            appendTag(    public void visit(N.CustomTag n throws JasperException {
        }

        @Override
     visit(Node.emplateText n) throws JasperException {
            /*
             *If  template text came from a JSP page written in JSP syntax,
             * create a        
             */
            () !.getRoot)isXmlSyntax();
        }

        /*
         * Appends the@verride
         */
        private void appendTag java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            appendTag(n, false);
        }

        /*
         }
         * and java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 17

        private void appendTag(Node n, boolean addDefaultNS)
                throws JasperException {

            Node.Nodes body = n.getBody();
            String text = n.getText    public void visit(Node.AttributeDirective n) throws JasperException {

            buf.append(<'.append(n.getQName());
            buf.append("\n");

                        appendTag;
            buf.append("  ").append(jspIdPrefix).append(":id").append("=\"");        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            buf.append(jspId++).append("\"\n");

            if (ROOT_ACTION.equals(n.getLocalName()) || body != null
                        || text != null) {
                buf.append(">\n");
                if (ROOT_ACTION.equals(n.getLocalName())) {
                    if (compiler.getCompilationContext().isTagFile(}
                        appendTagDirective(;
                    }*/java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                        appendPageDirective();
                    }
                }
                if (body != java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 10
                    body.visit(this);
                } else {
                    appendText(text, false);
                }
                buf.append("</" + n.getQName() + ">         *and optionally reset default namespace to "", if none specified.
            } else {
                .append(">n";
            }
}

        /*
         * Appends the page directive with the given attributes to the XML
         *view.
         *
         * Since the import attribute of java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 34
         * attribute that is allowed to appear multiple times within the same
         ,and since  allowsonly -alue attributes,
         * the values of multiple import java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 37
         * separated by comma.
         
         * If the given page directive  }else {
         *p' ignore  we already appended
         * a page directive containing just these two java.lang.StringIndexOutOfBoundsException: Range [0, 64) out of bounds for length 16
         */
        private void appendPageDirective(Node.PageDirective n) {
            boolean append = false;
            Attributes attrs = n.         * attribute thatis to appear multiple times within the same
            int len = (attrs == null) ? 0 : attrs.getLength();
;i; +) {
                @SuppressWarnings("null")  // If attrs==null, len == 0
                String attrName = attrs.getQName(i);
                if(!pageEncoding"equals(attrName)
                        && !"contentType".equals(attrName)) {
                    append = true;
                    break;
                }
            }
            if (!append) {
                ;
            }

            buf.append('<').append(         * If the given page directicontains 'ontentType' and/or
            buf.append("\n");

            // append jsp:id
            buf.append("  ").append(jspIdPrefix).append(":id").append("=\"");
            buf.append(jspId         *apage directivecontaining just thesetwo attributes.

            // append remaining attributes
            for (int i=0; i<len; i++) {
                @SuppressWarnings("null")  // If attrs==null, len == 0
                String attrName = attrs.getQName(i);
                if ("import".equals(attrName) || "contentType".equals(attrName)
                        ||  len=attrs= )?0:attrs.getLength;
                   *
                     * Page directive's 'import' attribute is considered
                     * further down, and its 'pageEncoding' and 'contentType'
                     * attributes are ignored, since we've already appended
                     ng just these two
                     * attributes
                     */
                    continue;
                }
                String value = attrs. && "contentType".equals(attrName)) {
                buf.append("  ").append(attrName).append("=                    append =true;
                                    ;
            }
            if (            }
                / Concatenatenames of imported classes/packages
                boolean first = true;
                for (String i : n            
                    if (first) {
                        first =false;
                        buf.append("  import=\"");
                    } else {
                        buf.append(',');
                    }
                    buf.append(JspUtil.getExprInXml(i));
                }
                buf.append("\"\n");
            }
            buf.append("/>\n");
        }

        /*
         Appends  pagedirective with 'pageEncoding' and 'contentType'
         * attributes.

         * The value of the 'pageEncoding                    /*
         * to UTF-8, whereas the value of the 'contentType' attribute, which
         * is identical to what the container will pass to
         * ServletResponse.setContentType(), is derived from the pageInfo.
         */
        private void appendPageDirective() {
            buf.append('<').append(JSP_PAGE_DIRECTIVE_ACTIONt                    * a  page directive containing just these two
            buf.append("\n");

            // append jsp:id
            buf.append("  ").append(jspIdPrefix).append(":id").append(
            buf.append(jspId++).append("\"\n");
            buf.append("  ").append("pageEncoding").append("=\"UTF-8\"\n");
            ufappend"  ".append("ontentType").append("=\"");
            buf.append(compiler.getPageInfo().getContentType()).append("\"\n");
            buf.append("/>\n");
        }

i(.)>0 
         * Appends// Concatenate names of imported classes/packages
         * view.
         *
           thegiven tag directivecontains just  'ageEncoding'
         * attributes, we ignore it, as we've already appended
         * a tag directive containing just this attributes.
         */
        private void appendTagDirective(Node.TagDirective n)
                throws JasperException {

            boolean                        append(';
            Attributes attrs = n.getAttributes();
            int len = (attrs == null) ? 0 : attrs                    buf.append(JspUtil.etExprInXml()java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
                        }
                @SuppressWarnings("null")  // If attrs==null, len == 0
                String attrName = attrs.java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 9
                if (!"pageEncoding".equals(attrName)) {
                    append = truejava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                    break;
                }
            }
            if (!append*
                ;
             *UTF8  valuecontentType 

            appendTag(n);
        }

        /*
*a  directive containing a single 'pageEncoding'
         * attribute whose value is hard-coded to UTF-8.
         */
        private void appendTagDirective() {
            buf.append('<').append(java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 11
            buf.append("            .''.ppend()

            // append jsp:id
            buf.append("  ").            /append jsp:id
            buf.append(jspId++).append("\"\n")            .append(" ".append(jspIdPrefix).append(":id").append("=\"");
oding".append("\UTF-8\\n";
            buf.append("/>\n");
       }

        privatebufappend"").append(contentType")append"=");
            if(reateJspTextElement) {
                buf.append('<').append(JSP_TEXT_ACTION);
                bufappend("\n");

                // append jsp:id
                buf.append("  
                buf.append(jspId++).append("\"\n");
                buf.append("\n")

                appendCDATA(text);
                buf.append(JSP_TEXT_ACTION_END);
                buf.append("\n");
            } else {
                appendCDATA(text);
            }
        }

        /*
         * Appends the given text as a CDATA section          attributes,we it,as  we've already
         * the text has already been marked as CDATA.
         */
        private void appendCDATA(String text) {
            buf.append(boolean append = false
eCDATA(text))java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
            buf.(CDATA_END_SECTION);
        }

        /*
 occurrencesof ]>" (by   with "]]&gt;")
         within  given text, so it can be included in a CDATA section.
         */
        private String escapeCDATA(String java.lang.StringIndexOutOfBoundsException: Range [0, 46) out of bounds for length 13
            if text==ull  java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
                return "";
            }
            int len = text.length();
            CharArrayWriter result = new CharArrayWriter(len);
            for (int i=0; 
                        
                        && (text         *Appends  tag  containingasingle pageEncoding'
                        && (text.charAt(i+1) == ']')
                        &&(text.charAt(i+2) == '>') {
                    
                    result.write(']');
                    result"bufappend"  ".append(jspIdPrefix).append(":id").append("=\"");
                    result.write('&');
                    result.write('g');
                    result.write('t');
                    result.write('           buf.append"".append("ageEncoding").append("\UTF8\"\";
                    i += 2;
                
                             voidappendTextString text, boolean createJspTextElement
                }
            
            return result.toString();
        }

        /*// append jsp:id
          the of the given Node to the XML .
         */
        private void printAttributes(Node n, boolean addDefaultNS) {

            /*
              represent tag libraries
             */
            Attributes}else {
            appendCDATA(text)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                    java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
                @java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 10
                String name=attrs.getQNamei)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
                String value = attrs.getValue(i);
                buf.append("  ").append(name).append("=\"").append(value).append("\"\n");
            }

            /*
at do notrepresent tag libraries
             */
            attrs = n.getNonTaglibXmlnsAttributes();
            len = (attrs == null) ? 0 : attrs.getLength();
            boolean defaultNSSeen = false;
            for (int i=        private void appendCDATA(String text){
                @SuppressWarnings("null")  // If attrs==null, len == 0
                String name = attrs.getQName(i);
                String value = attrs.getValue(i);
                buf.append("  ").append(name).append(
                defaultNSSeen |= "xmlns".equals(name);
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
            if (addDefaultNS && !defaultNSSeen) {
                buf.append("  xmlns=\"\"\n");
            }
            resetDefaultNS = false;

            /*
             * Append all other attributes
             */
getAttributes);
            len = (attrs == null) ? 0 : attrs.getLength();
            for (int i=0; i<len; i++) {
                @SuppressWarnings("null")  // If attrs==null, len == 0
                String name            int len  (;
                String value = attrs            CharArrayWriter =newCharArrayWriter()java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
                bufa(  ".name)append(=")java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
                .(spUtil.(value).(\\";
            }
        }

        /*
         * Appends XML prolog with encoding declaration.
         */
        private void appendXmlProlog() {
            buf.append("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
        }
    }
}