1 files changed, 189 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderSetupFailedDialog.java b/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderSetupFailedDialog.java
new file mode 100644
index 00000000..947d1182
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderSetupFailedDialog.java
@@ -0,0 +1,189 @@
+/**
+ * Copyright (c) 2013 LEAP Encryption Access Project and contributers
+ *
+ * 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 se.leap.bitmaskclient.providersetup;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+
+import org.json.JSONObject;
+
+import se.leap.bitmaskclient.base.models.Provider;
+import se.leap.bitmaskclient.R;
+
+import static se.leap.bitmaskclient.providersetup.ProviderSetupFailedDialog.DOWNLOAD_ERRORS.DEFAULT;
+import static se.leap.bitmaskclient.providersetup.ProviderSetupFailedDialog.DOWNLOAD_ERRORS.valueOf;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORID;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORS;
+
+/**
+ * Implements a dialog to show why a download failed.
+ *
+ * @author parmegv
+ */
+public class ProviderSetupFailedDialog extends DialogFragment {
+
+    public static String TAG = "downloaded_failed_dialog";
+    private final static String KEY_PROVIDER = "key provider";
+    private final static String KEY_REASON_TO_FAIL = "key reason to fail";
+    private final static String KEY_DOWNLOAD_ERROR = "key download error";
+    private String reasonToFail;
+    private DOWNLOAD_ERRORS downloadError = DEFAULT;
+
+    private Provider provider;
+
+    /**
+     * Represent error types that need different error handling actions
+     */
+    public enum DOWNLOAD_ERRORS {
+        DEFAULT,
+        ERROR_CORRUPTED_PROVIDER_JSON,
+        ERROR_INVALID_CERTIFICATE,
+        ERROR_CERTIFICATE_PINNING,
+        ERROR_NEW_URL_NO_VPN_PROVIDER
+    }
+
+    /**
+     * @return a new instance of this DialogFragment.
+     */
+    public static DialogFragment newInstance(Provider provider, String reasonToFail) {
+        ProviderSetupFailedDialog dialogFragment = new ProviderSetupFailedDialog();
+        dialogFragment.reasonToFail = reasonToFail;
+        dialogFragment.provider = provider;
+        return dialogFragment;
+    }
+
+    /**
+     * @return a new instance of this DialogFragment.
+     */
+    public static DialogFragment newInstance(Provider provider, JSONObject errorJson, boolean testNewURL) {
+        ProviderSetupFailedDialog dialogFragment = new ProviderSetupFailedDialog();
+        dialogFragment.provider = provider;
+        try {
+            if (errorJson.has(ERRORS)) {
+                dialogFragment.reasonToFail = errorJson.getString(ERRORS);
+            } else {
+                //default error msg
+                dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
+            }
+
+            if (errorJson.has(ERRORID)) {
+                dialogFragment.downloadError = valueOf(errorJson.getString(ERRORID));
+            } else if (testNewURL) {
+                dialogFragment.downloadError = DOWNLOAD_ERRORS.ERROR_NEW_URL_NO_VPN_PROVIDER;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
+        }
+        return dialogFragment;
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        restoreFromSavedInstance(savedInstanceState);
+    }
+
+    @Override
+    @NonNull
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        builder.setMessage(reasonToFail)
+                .setNegativeButton(R.string.cancel, (dialog, id)
+                        -> interfaceWithConfigurationWizard.cancelSettingUpProvider());
+        switch (downloadError) {
+            case ERROR_CORRUPTED_PROVIDER_JSON:
+                builder.setPositiveButton(R.string.update_provider_details, (dialog, which)
+                        -> interfaceWithConfigurationWizard.updateProviderDetails());
+                break;
+            case ERROR_CERTIFICATE_PINNING:
+            case ERROR_INVALID_CERTIFICATE:
+                builder.setPositiveButton(R.string.update_certificate, (dialog, which)
+                        -> interfaceWithConfigurationWizard.updateProviderDetails());
+                break;
+            case ERROR_NEW_URL_NO_VPN_PROVIDER:
+                builder.setPositiveButton(R.string.retry, (dialog, id)
+                        -> interfaceWithConfigurationWizard.addAndSelectNewProvider(provider.getMainUrlString()));
+                break;
+            default:
+                builder.setPositiveButton(R.string.retry, (dialog, id)
+                        -> interfaceWithConfigurationWizard.retrySetUpProvider(provider));
+                break;
+        }
+
+        // Create the AlertDialog object and return it
+        return builder.create();
+    }
+
+    public interface DownloadFailedDialogInterface {
+        void retrySetUpProvider(@NonNull Provider provider);
+
+        void cancelSettingUpProvider();
+
+        void updateProviderDetails();
+
+        void addAndSelectNewProvider(String url);
+    }
+
+    DownloadFailedDialogInterface interfaceWithConfigurationWizard;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        try {
+            interfaceWithConfigurationWizard = (DownloadFailedDialogInterface) context;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(context.toString()
+                    + " must implement NoticeDialogListener");
+        }
+    }
+
+    @Override
+    public void onCancel(DialogInterface dialog) {
+        dialog.dismiss();
+        interfaceWithConfigurationWizard.cancelSettingUpProvider();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putParcelable(KEY_PROVIDER, provider);
+        outState.putString(KEY_REASON_TO_FAIL, reasonToFail);
+        outState.putString(KEY_DOWNLOAD_ERROR, downloadError.toString());
+    }
+
+    private void restoreFromSavedInstance(Bundle savedInstanceState) {
+        if (savedInstanceState == null) {
+            return;
+        }
+        if (savedInstanceState.containsKey(KEY_PROVIDER)) {
+            this.provider = savedInstanceState.getParcelable(KEY_PROVIDER);
+        }
+        if (savedInstanceState.containsKey(KEY_REASON_TO_FAIL)) {
+            this.reasonToFail = savedInstanceState.getString(KEY_REASON_TO_FAIL);
+        }
+        if (savedInstanceState.containsKey(KEY_DOWNLOAD_ERROR)) {
+            this.downloadError = valueOf(savedInstanceState.getString(KEY_DOWNLOAD_ERROR));
+        }
+    }
+}