/**
 * 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 ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.cxf.systest.jaxrs.security;

import java.io.File;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

/**
 * A utility class for security tests
 */
public final class SecurityTestUtil {

    private static final boolean UNRESTRICTED_POLICIES_INSTALLED;
    static {
        boolean ok = false;
        try {
            byte[] data = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07};

            SecretKey key192 = new SecretKeySpec(
                new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //NOPMD
                            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                            0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17},
                            "AES");
            Cipher c = Cipher.getInstance("AES");
            c.init(Cipher.ENCRYPT_MODE, key192);
            c.doFinal(data);
            ok = true;
        } catch (Exception e) {
            //
        }
        UNRESTRICTED_POLICIES_INSTALLED = ok;
    }

    private SecurityTestUtil() {
        // complete
    }

    public static boolean checkUnrestrictedPoliciesInstalled() {
        return UNRESTRICTED_POLICIES_INSTALLED;
    }

    public static void cleanup() {
        String tmpDir = System.getProperty("java.io.tmpdir");
        if (tmpDir != null) {
            File[] tmpFiles = new File(tmpDir).listFiles();
            if (tmpFiles != null) {
                for (File tmpFile : tmpFiles) {
                    // Cleanup eh-caches
                    if (tmpFile.exists() && tmpFile.getName().matches("cxf.*.data")) {
                        tmpFile.delete();
                    }
                }
            }
        }
    }
}
