Java tutorial
/* * Copyright (C) 2017 Vincent Breitmoser <look@my.amazin.horse> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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 org.sufficientlysecure.keychain.remote.ui; import java.io.Serializable; import android.annotation.SuppressLint; import android.app.Activity; import android.app.Dialog; import android.content.DialogInterface; import android.content.Intent; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.StringRes; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentActivity; import android.view.ContextThemeWrapper; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.remote.ui.SecurityProblemPresenter.RemoteSecurityProblemView; import org.sufficientlysecure.keychain.ui.dialog.CustomAlertDialogBuilder; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.ui.util.ThemeChanger; import org.sufficientlysecure.keychain.ui.widget.ToolableViewAnimator; public class RemoteSecurityProblemDialogActivity extends FragmentActivity { public static final String EXTRA_PACKAGE_NAME = "package_name"; public static final String EXTRA_SECURITY_PROBLEM = "security_problem"; public static final String EXTRA_SUPPORT_OVERRIDE = "support_override"; private SecurityProblemPresenter presenter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.presenter = new SecurityProblemPresenter(getBaseContext()); if (savedInstanceState == null) { RemoteRegisterDialogFragment frag = new RemoteRegisterDialogFragment(); frag.show(getSupportFragmentManager(), "requestKeyDialog"); } } @Override protected void onStart() { super.onStart(); Intent intent = getIntent(); String packageName = intent.getStringExtra(EXTRA_PACKAGE_NAME); Serializable keySecurityProblem = intent.getSerializableExtra(EXTRA_SECURITY_PROBLEM); boolean supportOverride = intent.getBooleanExtra(EXTRA_SUPPORT_OVERRIDE, false); presenter.setupFromIntentData(packageName, keySecurityProblem, supportOverride); } public static class RemoteRegisterDialogFragment extends DialogFragment { public static final int SECONDARY_CHILD_NONE = 0; public static final int SECONDARY_CHILD_RECOMMENDATION = 1; public static final int SECONDARY_CHILD_OVERRIDE = 2; public static final int BUTTON_BAR_REGULAR = 0; public static final int BUTTON_BAR_OVERRIDE = 1; private SecurityProblemPresenter presenter; private RemoteSecurityProblemView mvpView; private Button buttonGotIt; private Button buttonViewKey; private Button buttonOverride; private Button buttonOverrideUndo; private Button buttonOverrideBack; private Button buttonOverrideConfirm; @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Activity activity = getActivity(); ContextThemeWrapper theme = ThemeChanger.getDialogThemeWrapper(activity); CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(theme); @SuppressLint("InflateParams") View view = LayoutInflater.from(theme).inflate(R.layout.remote_security_issue_dialog, null, false); alert.setView(view); buttonGotIt = (Button) view.findViewById(R.id.button_allow); buttonViewKey = (Button) view.findViewById(R.id.button_view_key); buttonOverride = (Button) view.findViewById(R.id.button_override); buttonOverrideUndo = (Button) view.findViewById(R.id.button_override_undo); buttonOverrideBack = (Button) view.findViewById(R.id.button_override_back); buttonOverrideConfirm = (Button) view.findViewById(R.id.button_override_confirm); setupListenersForPresenter(); mvpView = createMvpView(view); return alert.create(); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); presenter = ((RemoteSecurityProblemDialogActivity) getActivity()).presenter; presenter.setView(mvpView); } @Override public void onCancel(DialogInterface dialog) { super.onCancel(dialog); if (presenter != null) { presenter.onCancel(); } } @Override public void onDismiss(DialogInterface dialog) { super.onDismiss(dialog); if (presenter != null) { presenter.setView(null); presenter = null; } } @NonNull private RemoteSecurityProblemView createMvpView(View view) { final LinearLayout insecureWarningLayout = (LinearLayout) view .findViewById(R.id.insecure_warning_layout); final ImageView iconClientApp = (ImageView) view.findViewById(R.id.icon_client_app); final TextView explanationText = (TextView) insecureWarningLayout .findViewById(R.id.dialog_insecure_text); final TextView recommendText = (TextView) insecureWarningLayout .findViewById(R.id.dialog_insecure_recommend_text); final TextView overrideText = (TextView) insecureWarningLayout .findViewById(R.id.dialog_insecure_override_text); final ToolableViewAnimator secondaryLayoutAnimator = (ToolableViewAnimator) insecureWarningLayout .findViewById(R.id.dialog_insecure_secondary_layout); final ToolableViewAnimator buttonBarAnimator = (ToolableViewAnimator) view .findViewById(R.id.dialog_insecure_button_bar); return new RemoteSecurityProblemView() { private boolean layoutInitialized = false; @Override public void finishAsCancelled() { FragmentActivity activity = getActivity(); if (activity == null) { return; } activity.setResult(RESULT_CANCELED); activity.finish(); } @Override public void finishAsSuppressed() { FragmentActivity activity = getActivity(); if (activity == null) { return; } activity.setResult(RESULT_OK); activity.finish(); } @Override public void setTitleClientIcon(Drawable drawable) { iconClientApp.setImageDrawable(drawable); } /* specialized layouts, for later? private void inflateWarningContentLayout(int dialog_insecure_mdc) { insecureWarningLayout.removeAllViews(); getLayoutInflater(null).inflate(dialog_insecure_mdc, insecureWarningLayout); } */ private void showGeneric(String explanationString) { explanationText.setText(explanationString); secondaryLayoutAnimator.setDisplayedChild(SECONDARY_CHILD_NONE, layoutInitialized); buttonBarAnimator.setDisplayedChild(BUTTON_BAR_REGULAR, layoutInitialized); layoutInitialized = true; } private void showGenericWithRecommendation(@StringRes int explanationStringRes, @StringRes int recommendationStringRes) { explanationText.setText(explanationStringRes); recommendText.setText(recommendationStringRes); secondaryLayoutAnimator.setDisplayedChild(SECONDARY_CHILD_RECOMMENDATION, layoutInitialized); buttonBarAnimator.setDisplayedChild(BUTTON_BAR_REGULAR, layoutInitialized); layoutInitialized = true; } private void showGenericWithRecommendation(String explanationString, @StringRes int recommendationStringRes) { explanationText.setText(explanationString); recommendText.setText(recommendationStringRes); secondaryLayoutAnimator.setDisplayedChild(SECONDARY_CHILD_RECOMMENDATION, layoutInitialized); buttonBarAnimator.setDisplayedChild(BUTTON_BAR_REGULAR, layoutInitialized); layoutInitialized = true; } @Override public void showLayoutMissingMdc() { showGenericWithRecommendation(R.string.insecure_mdc, R.string.insecure_mdc_suggestion); } @Override public void showLayoutInsecureSymmetric(int symmetricAlgorithm) { showGeneric(getString(R.string.insecure_symmetric_algo, KeyFormattingUtils.getSymmetricCipherName(symmetricAlgorithm))); } @Override public void showLayoutInsecureHashAlgorithm(int hashAlgorithm) { showGeneric(getString(R.string.insecure_hash_algo, KeyFormattingUtils.getHashAlgoName(hashAlgorithm))); } @Override public void showLayoutEncryptInsecureBitsize(int algorithmId, int bitStrength) { String algorithmName = KeyFormattingUtils.getAlgorithmInfo(algorithmId, null, null); showGenericWithRecommendation(getString(R.string.insecure_encrypt_bitstrength, algorithmName), R.string.insecure_encrypt_bitstrength_suggestion); } @Override public void showLayoutSignInsecureBitsize(int algorithmId, int bitStrength) { String algorithmName = KeyFormattingUtils.getAlgorithmInfo(algorithmId, null, null); showGenericWithRecommendation(getString(R.string.insecure_sign_bitstrength, algorithmName), R.string.insecure_sign_bitstrength_suggestion); } @Override public void showLayoutEncryptNotWhitelistedCurve(String curveOid) { showGenericWithRecommendation( getString(R.string.insecure_encrypt_not_whitelisted_curve, curveOid), R.string.insecure_report_suggestion); } @Override public void showLayoutSignNotWhitelistedCurve(String curveOid) { showGenericWithRecommendation(getString(R.string.insecure_sign_not_whitelisted_curve, curveOid), R.string.insecure_report_suggestion); } @Override public void showLayoutEncryptUnidentifiedKeyProblem() { showGenericWithRecommendation(R.string.insecure_encrypt_unidentified, R.string.insecure_report_suggestion); } @Override public void showLayoutSignUnidentifiedKeyProblem() { showGenericWithRecommendation(R.string.insecure_sign_unidentified, R.string.insecure_report_suggestion); } @Override public void showOverrideMessage(int countdown) { secondaryLayoutAnimator.setDisplayedChild(SECONDARY_CHILD_OVERRIDE, true); buttonBarAnimator.setDisplayedChild(BUTTON_BAR_OVERRIDE, true); overrideText.setText(getString(R.string.dialog_insecure_override, countdown)); buttonOverrideConfirm .setText(getString(R.string.dialog_insecure_button_override_confirm, countdown)); } @Override public void showViewKeyButton() { buttonViewKey.setVisibility(View.VISIBLE); } @Override public void showOverrideButton() { buttonOverride.setVisibility(View.VISIBLE); buttonOverrideUndo.setVisibility(View.GONE); } @Override public void showOverrideUndoButton() { buttonOverride.setVisibility(View.GONE); buttonOverrideUndo.setVisibility(View.VISIBLE); } }; } private void setupListenersForPresenter() { buttonGotIt.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickGotIt(); } }); buttonViewKey.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickViewKey(); } }); buttonOverride.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickOverride(); } }); buttonOverrideUndo.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickOverrideUndo(); } }); buttonOverrideBack.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickOverrideBack(); } }); buttonOverrideConfirm.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { presenter.onClickOverrideConfirm(); } }); } } }