@MethodSource("encodeProvider")
    void testEncode(byte[] input, String expected) {
        // Arrange & Act
        String actual = Base64.encode(input);
        // Assert
        assertEquals(expected, actual, "Base64.encode should match expected string");
    }

    /**
     * Data provider for Base64 strings and expected decoded byte arrays.
     */
    static Stream<Arguments> decodeProvider() {

        "url=$requestingURL type=$requestorType prompt=$requestingPrompt " +
        "protocol=$requestingProtocol scheme=$requestingScheme",
    )
    return authentication
  }

  companion object {
    /** base64("username:password")  */
    const val BASE_64_CREDENTIALS = "dXNlcm5hbWU6cGFzc3dvcmQ="
  }

      ${fe:facetQueryViewList()}
    </example>
  </function>

  <function>
    <description>
      Returns base64 encoded value.
    </description>
    <name>base64</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String base64(java.lang.String)</function-signature>
    <example>
      ${fe:base64(value)}
    </example>
  </function>

                .setRedirectUri(getOicRedirectUrl())//
                .setState(state)//
                .build();
    }

    /**
     * Decodes a Base64 string to bytes.
     *
     * @param base64String the Base64 string to decode
     * @return the decoded bytes, or null if input is null
     */
    protected byte[] decodeBase64(String base64String) {
        if (base64String == null) {

    // Base64 encoded Type 1 message: NTLMSSP, Type 1, flags=0x00088207
    // Domain="DOMAIN", Workstation="WORKSTATION"
    private final String type1MessageBase64 = "TlRMTVNTUAABAAAABzIAAAYABgArAAAACwALACAAAABET01BSU5XT1JLU1RBVElPTg==";

    // Base64 encoded Type 3 message: NTLMSSP, Type 3
    // User: "user", Domain: "DOMAIN", Workstation: "WORKSTATION"

     * HTTP/1.1 200 OK
     * 3
     * Content-Type: image/png
     * Content-Length: 100
     * Cache-Control: max-age=600
     *
     * AES_256_WITH_MD5
     * 2
     * base64-encoded peerCertificate[0]
     * base64-encoded peerCertificate[1]
     * -1
     * TLSv1.2
     * ```
     *
     * The file is newline separated. The first two lines are the URL and the request method. Next

import jcifs.smb1.ntlmssp.NtlmFlags;
import jcifs.smb1.ntlmssp.NtlmMessage;
import jcifs.smb1.ntlmssp.Type1Message;
import jcifs.smb1.ntlmssp.Type2Message;
import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.util.Base64;

/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 */

    /**
     * Downloads a specific log file by ID.
     *
     * @param id the base64-encoded filename of the log file to download
     * @return stream response containing the log file content
     */
    // GET /api/admin/log/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {
        final String filename = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8).replace("..", "").replaceAll("\\s", "");

    }

    /**
     * Encodes a string to URL-safe Base64 format.
     *
     * @param value the string to encode
     * @return Base64 encoded string, or empty string if value is null
     */
    public static String base64(final String value) {
        if (value == null) {
            return StringUtil.EMPTY;
        }
        return Base64.getUrlEncoder().encodeToString(value.getBytes(Constants.CHARSET_UTF_8));

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;