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package eu.faircode.email;
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/*
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This file is part of Safe email.
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Safe email is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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NetGuard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with NetGuard. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018 by Marcel Bokhorst (M66B)
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*/
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import android.arch.lifecycle.Observer;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.AsyncTaskLoader;
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import android.support.v4.content.Loader;
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import android.support.v7.app.AppCompatActivity;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.ProgressBar;
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import android.widget.Spinner;
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import android.widget.Toast;
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import com.sun.mail.imap.IMAPFolder;
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import com.sun.mail.imap.IMAPStore;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Objects;
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import javax.mail.Folder;
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import javax.mail.MessagingException;
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import javax.mail.Session;
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public class FragmentAccount extends Fragment {
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private List<Provider> providers;
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private EditText etName;
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private Spinner spProfile;
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private EditText etHost;
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private EditText etPort;
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private EditText etUser;
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private EditText etPassword;
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private CheckBox cbPrimary;
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private CheckBox cbSynchronize;
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private Button btnOk;
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private ProgressBar pbCheck;
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static final int DEFAULT_INBOX_SYNC = 30;
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static final int DEFAULT_STANDARD_SYNC = 7;
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private static final List<String> standard_sync = Arrays.asList(
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EntityFolder.TYPE_DRAFTS,
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EntityFolder.TYPE_SENT
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);
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@Override
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@Nullable
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_account, container, false);
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// Get arguments
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Bundle args = getArguments();
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final long id = args.getLong("id", -1);
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// Get providers
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providers = Provider.loadProfiles(getContext());
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providers.add(0, new Provider(getString(R.string.title_custom)));
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// Get controls
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spProfile = view.findViewById(R.id.spProvider);
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etName = view.findViewById(R.id.etName);
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etHost = view.findViewById(R.id.etHost);
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etPort = view.findViewById(R.id.etPort);
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etUser = view.findViewById(R.id.etUser);
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etPassword = view.findViewById(R.id.etPassword);
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cbPrimary = view.findViewById(R.id.cbPrimary);
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cbSynchronize = view.findViewById(R.id.cbSynchronize);
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btnOk = view.findViewById(R.id.btnOk);
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pbCheck = view.findViewById(R.id.pbCheck);
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// Wire controls
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spProfile.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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Provider provider = providers.get(position);
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if (provider.imap_port != 0) {
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etName.setText(provider.name);
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etHost.setText(provider.imap_host);
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etPort.setText(Integer.toString(provider.imap_port));
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> adapterView) {
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}
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});
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ArrayAdapter<Provider> adapter = new ArrayAdapter<>(getContext(), R.layout.spinner_item, providers);
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adapter.setDropDownViewResource(R.layout.spinner_dropdown_item);
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spProfile.setAdapter(adapter);
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pbCheck.setVisibility(View.GONE);
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btnOk.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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btnOk.setEnabled(false);
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pbCheck.setVisibility(View.VISIBLE);
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Bundle args = new Bundle();
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args.putLong("id", id);
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args.putString("name", etName.getText().toString());
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args.putString("host", etHost.getText().toString());
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args.putString("port", etPort.getText().toString());
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args.putString("user", etUser.getText().toString());
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args.putString("password", etPassword.getText().toString());
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args.putBoolean("primary", cbPrimary.isChecked());
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args.putBoolean("synchronize", cbSynchronize.isChecked());
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getLoaderManager().restartLoader(ActivityView.LOADER_ACCOUNT_PUT, args, putLoaderCallbacks).forceLoad();
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}
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});
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DB.getInstance(getContext()).account().liveAccount(id).observe(this, new Observer<EntityAccount>() {
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@Override
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public void onChanged(@Nullable EntityAccount account) {
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etName.setText(account == null ? null : account.name);
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etHost.setText(account == null ? null : account.host);
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etPort.setText(account == null ? null : Long.toString(account.port));
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etUser.setText(account == null ? null : account.user);
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etPassword.setText(account == null ? null : account.password);
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cbPrimary.setChecked(account == null ? true : account.primary);
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cbSynchronize.setChecked(account == null ? true : account.synchronize);
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}
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});
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return view;
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}
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@Override
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public void onResume() {
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super.onResume();
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((AppCompatActivity) getActivity()).getSupportActionBar().setSubtitle(R.string.title_edit_account);
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}
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private static class PutLoader extends AsyncTaskLoader<Throwable> {
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private Bundle args;
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PutLoader(Context context) {
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super(context);
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}
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void setArgs(Bundle args) {
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this.args = args;
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}
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@Override
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public Throwable loadInBackground() {
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try {
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String name = args.getString("name");
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String host = args.getString("host");
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String port = args.getString("port");
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String user = args.getString("user");
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if (TextUtils.isEmpty(name))
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name = host + "/" + user;
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if (TextUtils.isEmpty(port))
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port = "0";
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DB db = DB.getInstance(getContext());
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EntityAccount account = db.account().getAccount(args.getLong("id"));
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boolean update = (account != null);
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if (account == null)
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account = new EntityAccount();
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account.name = name;
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account.host = host;
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account.port = Integer.parseInt(port);
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account.user = user;
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account.password = Objects.requireNonNull(args.getString("password"));
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account.primary = args.getBoolean("primary");
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account.synchronize = args.getBoolean("synchronize");
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// Check IMAP server
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List<EntityFolder> folders = new ArrayList<>();
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if (account.synchronize) {
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Session isession = Session.getDefaultInstance(MessageHelper.getSessionProperties(), null);
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IMAPStore istore = null;
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try {
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istore = (IMAPStore) isession.getStore("imaps");
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istore.connect(account.host, account.port, account.user, account.password);
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if (!istore.hasCapability("IDLE"))
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throw new MessagingException(getContext().getString(R.string.title_no_idle));
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boolean drafts = false;
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for (Folder ifolder : istore.getDefaultFolder().list("*")) {
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String[] attrs = ((IMAPFolder) ifolder).getAttributes();
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for (String attr : attrs) {
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if (attr.startsWith("\\")) {
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int index = EntityFolder.STANDARD_FOLDER_ATTR.indexOf(attr.substring(1));
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if (index >= 0) {
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EntityFolder folder = new EntityFolder();
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folder.name = ifolder.getFullName();
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folder.type = EntityFolder.STANDARD_FOLDER_TYPE.get(index);
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folder.synchronize = standard_sync.contains(folder.type);
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folder.after = DEFAULT_STANDARD_SYNC;
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folders.add(folder);
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Log.i(Helper.TAG, "Standard folder=" + folder.name +
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" type=" + folder.type + " attr=" + TextUtils.join(",", attrs));
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if (EntityFolder.TYPE_DRAFTS.equals(folder.type))
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drafts = true;
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break;
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}
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}
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}
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}
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if (!drafts)
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throw new MessagingException(getContext().getString(R.string.title_no_drafts));
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} finally {
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if (istore != null)
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istore.close();
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}
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}
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if (account.primary)
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db.account().resetPrimary();
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if (update)
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db.account().updateAccount(account);
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else
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try {
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db.beginTransaction();
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account.id = db.account().insertAccount(account);
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EntityFolder inbox = new EntityFolder();
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inbox.name = "INBOX";
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inbox.type = EntityFolder.TYPE_INBOX;
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inbox.synchronize = true;
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inbox.after = DEFAULT_INBOX_SYNC;
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folders.add(0, inbox);
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for (EntityFolder folder : folders) {
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folder.account = account.id;
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Log.i(Helper.TAG, "Creating folder=" + folder.name + " (" + folder.type + ")");
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folder.id = db.folder().insertFolder(folder);
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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ServiceSynchronize.restart(getContext(), "account");
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return null;
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} catch (Throwable ex) {
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Log.e(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
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return ex;
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}
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}
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}
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private LoaderManager.LoaderCallbacks putLoaderCallbacks = new LoaderManager.LoaderCallbacks<Throwable>() {
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@NonNull
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@Override
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public Loader<Throwable> onCreateLoader(int id, Bundle args) {
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PutLoader loader = new PutLoader(getActivity());
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loader.setArgs(args);
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return loader;
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}
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@Override
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public void onLoadFinished(@NonNull Loader<Throwable> loader, Throwable ex) {
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getLoaderManager().destroyLoader(loader.getId());
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btnOk.setEnabled(true);
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pbCheck.setVisibility(View.GONE);
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if (ex == null)
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getFragmentManager().popBackStack();
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else {
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Log.w(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
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Toast.makeText(getContext(), Helper.formatThrowable(ex), Toast.LENGTH_LONG).show();
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}
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}
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@Override
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public void onLoaderReset(@NonNull Loader<Throwable> loader) {
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}
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};
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}
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