ssl verification skip

[germanosin]

• Breaking change? (if so, please describe the impact and migration path for existing application instances)

What changes did you make? (Give an overview)
Fixes #854

Is there anything you'd like reviewers to focus on?

How Has This Been Tested? (put an "x" (case-sensitive!) next to an item)

• No need to
• Manually (please, describe, if necessary)
• Unit checks
• Integration checks
• Covered by existing automation

Checklist (put an "x" (case-sensitive!) next to all the items, otherwise the build will fail)

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (e.g. ENVIRONMENT VARIABLES)
• My changes generate no new warnings (e.g. Sonar is happy)
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

Check out Contributing and Code of Conduct

A picture of a cute animal (not mandatory but encouraged)

[fallen-up]

there were checkstyle errors:

[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipTrustManagerFactorySpi.java:[18,57] (blocks) LeftCurly: '{' at column 57 should have line break after.
[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipTrustManagerFactorySpi.java:[18,72] (extension) RightCurlyAlone: '}' at column 72 should be alone on a line.
[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipTrustManagerFactorySpi.java:[19,11] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipTrustManagerFactorySpi.java:[20,11] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipSecurityProvider.java:[10,31] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
[WARNING] src/main/java/io/kafbat/ui/service/ssl/SkipSecurityProvider.java:[10,31] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not preceded with whitespace.

formatted:
api/src/main/java/io/kafbat/ui/service/ssl/SkipSecurityProvider.java:

package io.kafbat.ui.service.ssl;

import java.security.Provider;

public class SkipSecurityProvider extends Provider {
  public static final String NAME = "Skip";

  public SkipSecurityProvider() {
    super("SkipProvider", 1.0, "Skip TrustManagerFactory Provider");
    put("TrustManagerFactory." + NAME, "SkipTrustManagerFactorySpi");
  }
}

api/src/main/java/io/kafbat/ui/service/ssl/SkipTrustManagerFactorySpi.java:

package io.kafbat.ui.service.ssl;

import java.security.InvalidAlgorithmParameterException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.cert.X509Certificate;
import javax.net.ssl.ManagerFactoryParameters;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

public class SkipTrustManagerFactorySpi extends javax.net.ssl.TrustManagerFactorySpi {

  private final TrustManager[] trustAllCertificates;

  public SkipTrustManagerFactorySpi() {
    this.trustAllCertificates =  new TrustManager[] {
        new X509TrustManager() {
          public X509Certificate[] getAcceptedIssuers() {
              return null;
          }

          public void checkClientTrusted(X509Certificate[] certs, String authType) {

          }
          
          public void checkServerTrusted(X509Certificate[] certs, String authType) {

          }
        }
    };
  }

  @Override
  protected void engineInit(KeyStore ks) throws KeyStoreException {

  }

  @Override
  protected void engineInit(ManagerFactoryParameters spec)
      throws InvalidAlgorithmParameterException {

  }

  @Override
  protected TrustManager[] engineGetTrustManagers() {
    return trustAllCertificates;
  }
}

the application can't start:
kafka-ui.log

[germanosin]

This is just a draft for @Haarolean