Remove unused code

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/owncloud/android/ui/dialog/SslValidatorDialog.java

@@ -1,329 +0,0 @@
-/**
- *   ownCloud Android client application
- *
- *   @author David A. Velasco
- *   Copyright (C) 2015 ownCloud Inc.
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License version 2,
- *   as published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package com.owncloud.android.ui.dialog;
-
-import android.app.Dialog;
-import android.content.Context;
-import android.os.Bundle;
-import android.view.View;
-import android.view.Window;
-import android.widget.Button;
-
-import com.owncloud.android.R;
-import com.owncloud.android.databinding.SslValidatorLayoutBinding;
-import com.owncloud.android.lib.common.network.CertificateCombinedException;
-import com.owncloud.android.lib.common.network.NetworkUtils;
-import com.owncloud.android.lib.common.operations.RemoteOperationResult;
-import com.owncloud.android.lib.common.utils.Log_OC;
-
-import java.io.IOException;
-import java.security.GeneralSecurityException;
-import java.security.KeyStoreException;
-import java.security.NoSuchAlgorithmException;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
-
-import javax.security.auth.x500.X500Principal;
-
-/**
- * Dialog to request the user about a certificate that could not be validated with the certificates store in the system.
- */
-public class SslValidatorDialog extends Dialog {
-
-    private final static String TAG = SslValidatorDialog.class.getSimpleName();
-
-    private OnSslValidatorListener mListener;
-    private CertificateCombinedException mException;
-    private SslValidatorLayoutBinding binding;
-    
-    
-    /**
-     * Creates a new SslValidatorDialog to ask the user if an untrusted certificate from a server should
-     * be trusted.
-     * 
-     * @param context       Android context where the dialog will live.
-     * @param result        Result of a failed remote operation.
-     * @param listener      Object to notice when the server certificate was added to the local certificates store.
-     * @return              A new SslValidatorDialog instance. NULL if the operation can not be recovered
-     *                      by setting the certificate as reliable.
-     */
-    public static SslValidatorDialog newInstance(Context context, RemoteOperationResult result, OnSslValidatorListener listener) {
-        if (result != null && result.isSslRecoverableException()) {
-            return new SslValidatorDialog(context, listener);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Private constructor. 
-     * 
-     * Instances have to be created through static {@link SslValidatorDialog#newInstance}.
-     * 
-     * @param context       Android context where the dialog will live
-     * @param listener      Object to notice when the server certificate was added to the local certificates store.
-     */
-    private SslValidatorDialog(Context context, OnSslValidatorListener listener) {
-        super(context);
-        mListener = listener;
-    }
-    
-    /**
-     * {@inheritDoc}
-     */
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        requestWindowFeature(Window.FEATURE_NO_TITLE);
-        binding = SslValidatorLayoutBinding.inflate(getLayoutInflater());
-        setContentView(binding.getRoot());
-
-        binding.ok.setOnClickListener(
-                new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        try {
-                            saveServerCert();
-                            dismiss();
-                            if (mListener != null) {
-                                mListener.onSavedCertificate();
-                            } else {
-                                Log_OC.d(TAG, "Nobody there to notify the certificate was saved");
-                            }
-                            
-                        } catch (GeneralSecurityException | IOException e) {
-                            dismiss();
-                            if (mListener != null) {
-                                mListener.onFailedSavingCertificate();
-                            }
-                            Log_OC.e(TAG, "Server certificate could not be saved in the known servers trust store ", e);
-                            
-                        }
-                    }
-                });
-
-        binding.cancel.setOnClickListener(
-                new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        cancel();
-                    }
-                });
-
-        binding.detailsBtn.setOnClickListener(
-                new View.OnClickListener() {
-                   @Override
-                    public void onClick(View v) {
-                       View detailsScroll = findViewById(R.id.details_scroll);
-                       if (detailsScroll.getVisibility() == View.VISIBLE) {
-                           detailsScroll.setVisibility(View.GONE);
-                           ((Button) v).setText(R.string.ssl_validator_btn_details_see);
-                       } else {
-                           detailsScroll.setVisibility(View.VISIBLE);
-                           ((Button) v).setText(R.string.ssl_validator_btn_details_hide);
-                       }
-                    }
-                });
-    }
-    
-    
-    public void updateResult(RemoteOperationResult result) {
-        if (result.isSslRecoverableException()) {
-            mException = (CertificateCombinedException) result.getException();
-            
-            /// clean
-            binding.reasonCertNotTrusted.setVisibility(View.GONE);
-            binding.reasonCertExpired.setVisibility(View.GONE);
-            binding.reasonCertNotYetValid.setVisibility(View.GONE);
-            binding.reasonHostnameNotVerified.setVisibility(View.GONE);
-            binding.detailsScroll.setVisibility(View.GONE);
-
-            /// refresh
-            if (mException.getCertPathValidatorException() != null) {
-                binding.reasonCertNotTrusted.setVisibility(View.VISIBLE);
-            }
-            
-            if (mException.getCertificateExpiredException() != null) {
-                binding.reasonCertExpired.setVisibility(View.VISIBLE);
-            }
-            
-            if (mException.getCertificateNotYetValidException() != null) {
-                binding.reasonCertNotYetValid.setVisibility(View.VISIBLE);
-            } 
-
-            if (mException.getSslPeerUnverifiedException() != null ) {
-                binding.reasonHostnameNotVerified.setVisibility(View.VISIBLE);
-            }
-            
-            showCertificateData(mException.getServerCertificate());
-        }
-    }
-    
-    private void showCertificateData(X509Certificate cert) {
-
-        if (cert != null) {
-            showSubject(cert.getSubjectX500Principal());
-            showIssuer(cert.getIssuerX500Principal());
-            showValidity(cert.getNotBefore(), cert.getNotAfter());
-            showSignature(cert);
-            
-        } else {
-            // this should not happen, TODO
-            Log_OC.d("certNull", "This should not happen");
-        }
-    }
-
-    private void showSignature(X509Certificate cert) {
-        binding.valueSignature.setText(getHex(cert.getSignature()));
-        binding.valueSignatureAlgorithm.setText(cert.getSigAlgName());
-    }
-    
-    public String getHex(final byte [] raw) {
-        if (raw == null) {
-           return null;
-        }
-        final StringBuilder hex = new StringBuilder(2 * raw.length);
-        for (final byte b : raw) {
-           final int hiVal = (b & 0xF0) >> 4;
-           final int loVal = b & 0x0F;
-           hex.append((char) ('0' + (hiVal + (hiVal / 10 * 7))));
-           hex.append((char) ('0' + (loVal + (loVal / 10 * 7))));
-        }
-        return hex.toString();
-     }    
-
-    @SuppressWarnings("deprecation")
-    private void showValidity(Date notBefore, Date notAfter) {
-        binding.valueValidityFrom.setText(notBefore.toLocaleString());
-        binding.valueValidityTo.setText(notAfter.toLocaleString());
-    }
-
-    private void showSubject(X500Principal subject) {
-        Map<String, String> s = parsePrincipal(subject);
-        
-        if (s.get("CN") != null) {
-            binding.valueSubjectCN.setText(s.get("CN"));
-            binding.valueSubjectCN.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectCN.setVisibility(View.GONE);
-        }
-        if (s.get("O") != null) {
-            binding.valueSubjectO.setText(s.get("O"));
-            binding.valueSubjectO.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectO.setVisibility(View.GONE);
-        }
-        if (s.get("OU") != null) {
-            binding.valueSubjectOU.setText(s.get("OU"));
-            binding.valueSubjectOU.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectOU.setVisibility(View.GONE);
-        }
-        if (s.get("C") != null) {
-            binding.valueSubjectC.setText(s.get("C"));
-            binding.valueSubjectC.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectC.setVisibility(View.GONE);
-        }
-        if (s.get("ST") != null) {
-            binding.valueSubjectST.setText(s.get("ST"));
-            binding.valueSubjectST.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectST.setVisibility(View.GONE);
-        }
-        if (s.get("L") != null) {
-            binding.valueSubjectL.setText(s.get("L"));
-            binding.valueSubjectL.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueSubjectL.setVisibility(View.GONE);
-        }
-    }
-    
-    private void showIssuer(X500Principal issuer) {
-        Map<String, String> s = parsePrincipal(issuer);
-        
-        if (s.get("CN") != null) {
-            binding.valueIssuerCN.setText(s.get("CN"));
-            binding.valueIssuerCN.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerCN.setVisibility(View.GONE);
-        }
-        if (s.get("O") != null) {
-            binding.valueIssuerO.setText(s.get("O"));
-            binding.valueIssuerO.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerO.setVisibility(View.GONE);
-        }
-        if (s.get("OU") != null) {
-            binding.valueIssuerOU.setText(s.get("OU"));
-            binding.valueIssuerOU.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerOU.setVisibility(View.GONE);
-        }
-        if (s.get("C") != null) {
-            binding.valueIssuerC.setText(s.get("C"));
-            binding.valueIssuerC.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerC.setVisibility(View.GONE);
-        }
-        if (s.get("ST") != null) {
-            binding.valueIssuerST.setText(s.get("ST"));
-            binding.valueIssuerST.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerST.setVisibility(View.GONE);
-        }
-        if (s.get("L") != null) {
-            binding.valueIssuerL.setText(s.get("L"));
-            binding.valueIssuerL.setVisibility(View.VISIBLE);
-        } else {
-            binding.valueIssuerL.setVisibility(View.GONE);
-        }
-    }
-
-    private Map<String, String> parsePrincipal(X500Principal principal) {
-        Map<String, String> result = new HashMap<>();
-        String toParse = principal.getName();
-        String[] pieces = toParse.split(",");
-        String[] tokens = {"CN", "O", "OU", "C", "ST", "L"};
-        for (String piece : pieces) {
-            for (String token : tokens) {
-                if (piece.startsWith(token + "=")) {
-                    result.put(token, piece.substring(token.length() + 1));
-                }
-            }
-        }
-        return result;
-    }
-
-    private void saveServerCert() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException {
-        if (mException.getServerCertificate() != null) {
-            // TODO make this asynchronously, it can take some time
-            NetworkUtils.addCertToKnownServersStore(mException.getServerCertificate(), getContext());
-        }
-    }
-    
-    public interface OnSslValidatorListener {
-        public void onSavedCertificate();
-        public void onFailedSavingCertificate();
-    }
-}