com.appslandia.plum.base.CspValueBuilder Maven / Gradle / Ivy

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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// 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 com.appslandia.plum.base;

import java.util.LinkedHashSet;
import java.util.Set;

/**
 *
 * @author Loc Ha
 *
 */
public class CspValueBuilder {

	final Set values = new LinkedHashSet<>();

	public CspValueBuilder any() {
		this.values.add("*");
		return this;
	}

	public CspValueBuilder self() {
		this.values.add("'self'");
		return this;
	}

	public CspValueBuilder none() {
		this.values.add("'none'");
		return this;
	}

	public CspValueBuilder unsafeInline() {
		this.values.add("'unsafe-inline'");
		return this;
	}

	public CspValueBuilder unsafeEval() {
		this.values.add("'unsafe-eval'");
		return this;
	}

	public CspValueBuilder unsafeHashedAttributes() {
		this.values.add("'unsafe-hashed-attributes'");
		return this;
	}

	public CspValueBuilder https() {
		this.values.add("https:");
		return this;
	}

	public CspValueBuilder data() {
		this.values.add("data:");
		return this;
	}

	public CspValueBuilder mediastream() {
		this.values.add("mediastream:");
		return this;
	}

	public CspValueBuilder blob() {
		this.values.add("blob:");
		return this;
	}

	public CspValueBuilder filesystem() {
		this.values.add("filesystem:");
		return this;
	}

	public CspValueBuilder nonce(String value) {
		this.values.add("'nonce-" + value + '\'');
		return this;
	}

	public CspValueBuilder sha256(String value) {
		this.values.add("'sha256-" + value + '\'');
		return this;
	}

	public CspValueBuilder sha386(String value) {
		this.values.add("'sha386-" + value + '\'');
		return this;
	}

	public CspValueBuilder sha512(String value) {
		this.values.add("'sha512-" + value + '\'');
		return this;
	}

	public CspValueBuilder add(String value) {
		this.values.add(value);
		return this;
	}

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();
		for (String val : this.values) {
			if (sb.length() > 0) {
				sb.append(' ');
			}
			sb.append(val);
		}
		return (sb.length() > 0) ? sb.toString() : null;
	}
}