PrimeFaces Extensions Showcase

SanitizingConverter

The SanitizingConverter (pe:sanitizer) sanitizes any input using an OWASP Java HTML Sanitizer PolicyFactory. Useful for cleansing input if going to be displayed in outputText with escape="false". See also EscapeSanitizerComponentListener

Enter text including HTML tags to see the default policy:

Custom policy allows HTML tags including <i> and <strong>:

Lenient converter allows <i> and <strong>:

Italic

Source

XHTML page
Managed bean


                <p:messages id="messages"/>

    <h:panelGroup id="timePickerGroup" layout="block">
        <p>
            Enter text including HTML tags to see the default policy:
            <p:inputText id="defaultSanitizer" value="#{sanitizingController.defaultSanitizer}">
                <pe:sanitizer/>
            </p:inputText>
        </p>

        <p>
            Custom policy allows HTML tags including &lt;i&gt; and &lt;strong&gt;:
            <p:inputText id="customSanitizer" value="#{sanitizingController.customSanitizer}">
                <pe:sanitizer decodeHtml="true" policy="#{sanitizingController.policyFactory}"/>
            </p:inputText>
        </p>

        <p>
            Lenient converter allows &lt;i&gt; and &lt;strong&gt;:
            <h:outputText id="lenientSanitizer" escape="false" converter="primefaces.SanitizingLenientConverter"  value="#{sanitizingController.customSanitizer}"/>
        </p>
    </h:panelGroup>

    <h:panelGroup layout="block" style="margin-top: 10px;margin-bottom: 10px;">
        <p:commandButton value="Submit" update="messages defaultSanitizer customSanitizer"/>
    </h:panelGroup>


                @Named
@ViewScoped
public class SanitizingController implements Serializable {

    private static final long serialVersionUID = 1L;

    private String defaultSanitizer = "<p>Test</p>";
    private String customSanitizer = "<p><i>Italic</i></p>";

    /**
     * PolicyFactory to allow certain HTML elements like italic and bold tags.
     *
     * @return the {@code PolicyFactory}
     */
    public PolicyFactory getPolicyFactory() {
        final String[] allowElements = new String[] {"b", "em", "i", "s", "strong", "sub", "sup", "u"};

        return new HtmlPolicyBuilder()
                    .allowElements(allowElements)
                    .allowTextIn(allowElements)
                    .toFactory();
    }

    public String getDefaultSanitizer() {
        return defaultSanitizer;
    }

    public void setDefaultSanitizer(String defaultSanitizer) {
        this.defaultSanitizer = defaultSanitizer;
    }

    public String getCustomSanitizer() {
        return customSanitizer;
    }

    public void setCustomSanitizer(String customSanitizer) {
        this.customSanitizer = customSanitizer;
    }

}