escape in ABAP and JavaScript -

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escape in ABAP and JavaScript

ABAP escape JavaScript 编程 Cloud

# ABAP

IF_HTTP_UTILITY~ESCAPE_URL

# JavaScript

开源的sanitizer库，Google搞的。

sanitizer

sanitizer.escape('your dirty string');

用于C4C：

在Java里使用这个JS library:

public class CajaSanitiser {
    private final ScriptEngine engine;
    private final Bindings bindings;
    public CajaSanitiser() throws IOException, ScriptException {
        this.engine = new ScriptEngineManager().getEngineByName("js");
        this.bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);
        String scriptName = "com/google/caja/plugin/html-css-sanitizer-minified.js";
        try (BufferedReader reader = getReader(scriptName)) {
            engine.eval(reader);
        }
        String identity = "function identity(value) {return value;}";
        engine.eval(identity);
    }
    private BufferedReader getReader(String name) {
        return new BufferedReader(new InputStreamReader(
                getClass().getClassLoader().getResourceAsStream(name)));
    }
    public String sanitise(String htmlSource) throws ScriptException {
        bindings.put("src", htmlSource);
        // You can use other functions beside 'identity' if you
        // want to transform the html.
        // See https://code.google.com/p/google-caja/wiki/JsHtmlSanitizer
        return (String) engine.eval("html_sanitize(src, identity, identity)");
    }
    public static void main(String[] args) throws Exception {
        CajaSanitiser sanitiser = new CajaSanitiser();
        String source = "<html>\n" +
                "<head>\n" +
                "<style>\n" +
                "h1 {color:blue;}\n" +
                "</style>\n" +
                "</head>\n" +
                "<body>\n" +
                "<h1>A heading</h1>\n" +
                "</body>\n" +
                "</html>";
        System.out.println("Original HTML with CSS:");
        System.out.println(source);
        System.out.println();
        System.out.println("Sanitised HTML:");
        System.out.println(sanitiser.sanitise(source));
    }
}

Maven dependency:

<dependencies>
    <dependency>
        <groupId>caja</groupId>
        <artifactId>caja</artifactId>
        <version>r5127</version>
    </dependency>
</dependencies>

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