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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.csp;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.PartialResponseWriter;
import javax.faces.context.ResponseWriter;
import org.primefaces.context.PartialResponseWriterWrapper;
import org.primefaces.context.PrimeRequestContext;
import org.primefaces.util.EscapeUtils;
public class CspPartialResponseWriter extends PartialResponseWriterWrapper {
private CspResponseWriter cspResponseWriter;
private PrimeRequestContext requestContext;
private CspState cspState;
private StringBuilder sb;
public CspPartialResponseWriter(PartialResponseWriter wrapped, FacesContext context, CspState cspState) {
super(wrapped);
this.cspResponseWriter = new CspResponseWriter(wrapped, cspState);
this.requestContext = PrimeRequestContext.getCurrentInstance(context);
this.cspState = cspState;
}
@Override
public void startInsertAfter(String targetId) throws IOException {
cspResponseWriter.reset();
super.startInsertAfter(targetId);
}
@Override
public void startInsertBefore(String targetId) throws IOException {
cspResponseWriter.reset();
super.startInsertBefore(targetId);
}
@Override
public void endInsert() throws IOException {
super.endInsert();
writeJavascriptHandlers();
}
@Override
public void startUpdate(String targetId) throws IOException {
cspResponseWriter.reset();
super.startUpdate(targetId);
}
@Override
public void endUpdate() throws IOException {
super.endUpdate();
writeJavascriptHandlers();
}
@Override
public void startEval() throws IOException {
cspResponseWriter.reset();
super.startEval();
}
@Override
public void endEval() throws IOException {
cspResponseWriter.reset();
super.endEval();
}
@Override
public void startExtension(Map attributes) throws IOException {
cspResponseWriter.reset();
super.startExtension(attributes);
}
@Override
public void endExtension() throws IOException {
cspResponseWriter.reset();
super.endExtension();
}
@Override
public void startError(String errorName) throws IOException {
cspResponseWriter.reset();
super.startError(errorName);
}
@Override
public void endError() throws IOException {
cspResponseWriter.reset();
super.endError();
}
@Override
public void startElement(String name, UIComponent component) throws IOException {
cspResponseWriter.startElement(name, component);
}
@Override
public void writeAttribute(String name, Object value, String property) throws IOException {
cspResponseWriter.writeAttribute(name, value, property);
}
@Override
public void writeURIAttribute(String name, Object value, String property) throws IOException {
cspResponseWriter.writeURIAttribute(name, value, property);
}
@Override
public void endElement(String name) throws IOException {
cspResponseWriter.endElement(name);
}
@Override
public void flush() throws IOException {
cspResponseWriter.flush();
}
@Override
public void writeComment(Object comment) throws IOException {
cspResponseWriter.writeComment(comment);
}
@Override
public void writeText(Object text, String property) throws IOException {
cspResponseWriter.writeText(text, property);
}
@Override
public void writeText(Object text, UIComponent component, String property) throws IOException {
cspResponseWriter.writeText(text, component, property);
}
@Override
public void writeText(char[] text, int off, int len) throws IOException {
cspResponseWriter.writeText(text, off, len);
}
@Override
public void close() throws IOException {
cspResponseWriter.close();
}
@Override
public ResponseWriter cloneWithWriter(Writer writer) {
return new CspResponseWriter(getWrapped().cloneWithWriter(writer), this.cspState);
}
@Override
public void write(char[] cbuf, int off, int len) throws IOException {
cspResponseWriter.write(cbuf, off, len);
}
void writeJavascriptHandlers() throws IOException {
if (cspState.getEventHandlers() == null || cspState.getEventHandlers().isEmpty()) {
return;
}
if (sb == null) {
sb = new StringBuilder(cspState.getEventHandlers().size() * 25);
}
else {
sb.setLength(0);
}
for (Map.Entry> elements : cspState.getEventHandlers().entrySet()) {
String id = elements.getKey();
for (Map.Entry events : elements.getValue().entrySet()) {
String event = events.getKey();
String javascript = events.getValue();
sb.append("PrimeFaces.csp.register('");
sb.append(EscapeUtils.forJavaScript(id));
sb.append("','");
sb.append(event);
sb.append("',function(event){");
sb.append(javascript);
sb.append("});");
}
}
// GitHub #9368 all register calls must be before ajax.executeScript calls
ArrayList scripts = (ArrayList) requestContext.getScriptsToExecute();
scripts.add(0, sb.toString());
cspState.getEventHandlers().clear();
}
}
