mirror of https://github.com/M66B/FairEmail.git
665 lines
27 KiB
Java
665 lines
27 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail 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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FairEmail 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 FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2020 by Marcel Bokhorst (M66B)
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*/
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import android.content.ActivityNotFoundException;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.Uri;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.util.Base64;
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import android.util.Pair;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.ScrollView;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.constraintlayout.widget.Group;
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import androidx.preference.PreferenceManager;
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import net.openid.appauth.AppAuthConfiguration;
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import net.openid.appauth.AuthState;
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import net.openid.appauth.AuthorizationException;
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import net.openid.appauth.AuthorizationRequest;
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import net.openid.appauth.AuthorizationResponse;
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import net.openid.appauth.AuthorizationService;
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import net.openid.appauth.AuthorizationServiceConfiguration;
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import net.openid.appauth.ClientAuthentication;
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import net.openid.appauth.ClientSecretPost;
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import net.openid.appauth.CodeVerifierUtil;
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import net.openid.appauth.NoClientAuthentication;
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import net.openid.appauth.ResponseTypeValues;
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import net.openid.appauth.TokenResponse;
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import net.openid.appauth.browser.BrowserDescriptor;
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import net.openid.appauth.browser.BrowserMatcher;
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import net.openid.appauth.browser.Browsers;
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import net.openid.appauth.browser.VersionRange;
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import net.openid.appauth.browser.VersionedBrowserMatcher;
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import org.json.JSONObject;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.mail.AuthenticationFailedException;
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import static android.app.Activity.RESULT_OK;
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import static eu.faircode.email.ServiceAuthenticator.AUTH_TYPE_OAUTH;
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public class FragmentOAuth extends FragmentBase {
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private String id;
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private String name;
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private boolean askAccount;
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private ViewGroup view;
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private ScrollView scroll;
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private TextView tvGrantHint;
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private EditText etName;
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private EditText etEmail;
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private Button btnOAuth;
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private ContentLoadingProgressBar pbOAuth;
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private TextView tvConfiguring;
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private TextView tvGmailHint;
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private TextView tvError;
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private TextView tvGmailDraftsHint;
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private TextView tvOfficeAuthHint;
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private Button btnSupport;
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private Group grpError;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Bundle args = getArguments();
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id = args.getString("id");
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name = args.getString("name");
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askAccount = args.getBoolean("askAccount", false);
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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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setSubtitle(name);
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setHasOptionsMenu(true);
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view = (ViewGroup) inflater.inflate(R.layout.fragment_oauth, container, false);
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scroll = view.findViewById(R.id.scroll);
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// Get controls
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tvGrantHint = view.findViewById(R.id.tvGrantHint);
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etName = view.findViewById(R.id.etName);
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etEmail = view.findViewById(R.id.etEmail);
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btnOAuth = view.findViewById(R.id.btnOAuth);
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pbOAuth = view.findViewById(R.id.pbOAuth);
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tvConfiguring = view.findViewById(R.id.tvConfiguring);
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tvGmailHint = view.findViewById(R.id.tvGmailHint);
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tvError = view.findViewById(R.id.tvError);
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tvGmailDraftsHint = view.findViewById(R.id.tvGmailDraftsHint);
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tvOfficeAuthHint = view.findViewById(R.id.tvOfficeAuthHint);
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btnSupport = view.findViewById(R.id.btnSupport);
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grpError = view.findViewById(R.id.grpError);
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// Wire controls
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btnOAuth.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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onAuthorize();
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}
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});
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btnSupport.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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Helper.view(getContext(), Uri.parse(Helper.SUPPORT_URI), false);
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}
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});
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// Initialize
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tvGrantHint.setText(getString(R.string.title_setup_oauth_rationale, name));
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etName.setVisibility(askAccount ? View.VISIBLE : View.GONE);
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etEmail.setVisibility(askAccount ? View.VISIBLE : View.GONE);
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pbOAuth.setVisibility(View.GONE);
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tvConfiguring.setVisibility(View.GONE);
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tvGmailHint.setVisibility("gmail".equals(id) ? View.VISIBLE : View.GONE);
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hideError();
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return view;
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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inflater.inflate(R.menu.menu_quick_setup, menu);
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super.onCreateOptionsMenu(menu, inflater);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_help:
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onMenuHelp();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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private void onMenuHelp() {
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Bundle args = new Bundle();
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args.putString("name", "SETUP.md");
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FragmentDialogMarkdown fragment = new FragmentDialogMarkdown();
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fragment.setArguments(args);
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fragment.show(getChildFragmentManager(), "help");
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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try {
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switch (requestCode) {
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case ActivitySetup.REQUEST_OAUTH:
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if (resultCode == RESULT_OK && data != null)
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onHandleOAuth(data);
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else
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onHandleCancel();
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break;
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case ActivitySetup.REQUEST_DONE:
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finish();
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break;
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}
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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private void onAuthorize() {
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try {
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if (askAccount) {
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String name = etName.getText().toString().trim();
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String email = etEmail.getText().toString().trim();
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if (TextUtils.isEmpty(name))
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throw new IllegalArgumentException(getString(R.string.title_no_name));
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if (TextUtils.isEmpty(email))
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throw new IllegalArgumentException(getString(R.string.title_no_email));
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if (!Helper.EMAIL_ADDRESS.matcher(email).matches())
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throw new IllegalArgumentException(getString(R.string.title_email_invalid, email));
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String e = email.toLowerCase();
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if (e.contains("@outlook") ||
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e.contains("@live") ||
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e.contains("@hotmail") ||
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e.contains("@msn"))
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throw new IllegalArgumentException(getString(R.string.title_setup_office_remark));
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}
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etName.setEnabled(false);
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etEmail.setEnabled(false);
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btnOAuth.setEnabled(false);
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pbOAuth.setVisibility(View.VISIBLE);
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hideError();
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EmailProvider provider = EmailProvider.getProvider(getContext(), id);
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AppAuthConfiguration appAuthConfig = new AppAuthConfiguration.Builder()
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.setBrowserMatcher(new BrowserMatcher() {
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@Override
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public boolean matches(@NonNull BrowserDescriptor descriptor) {
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BrowserMatcher sbrowser = new VersionedBrowserMatcher(
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Browsers.SBrowser.PACKAGE_NAME,
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Browsers.SBrowser.SIGNATURE_SET,
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true,
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VersionRange.atMost("5.3"));
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return (!sbrowser.matches(descriptor) &&
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(!"gmail".equals(provider.id) || !descriptor.useCustomTab));
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}
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})
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.build();
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AuthorizationService authService = new AuthorizationService(getContext(), appAuthConfig);
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AuthorizationServiceConfiguration serviceConfig = new AuthorizationServiceConfiguration(
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Uri.parse(provider.oauth.authorizationEndpoint),
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Uri.parse(provider.oauth.tokenEndpoint));
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AuthState authState = new AuthState(serviceConfig);
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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prefs.edit().putString("oauth." + provider.id, authState.jsonSerializeString()).apply();
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Map<String, String> params = new HashMap<>();
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if ("gmail".equals(provider.id))
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params.put("access_type", "offline");
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if ("yandex".equals(provider.id)) {
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params.put("device_name", "Android/FairEmail");
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params.put("force_confirm", "true");
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}
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AuthorizationRequest.Builder authRequestBuilder =
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new AuthorizationRequest.Builder(
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serviceConfig,
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provider.oauth.clientId,
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ResponseTypeValues.CODE,
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Uri.parse(provider.oauth.redirectUri))
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.setScopes(provider.oauth.scopes)
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.setState(provider.id)
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.setAdditionalParameters(params);
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if (askAccount)
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authRequestBuilder.setLoginHint(etEmail.getText().toString().trim());
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if (provider.oauth.pcke)
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authRequestBuilder.setCodeVerifier(CodeVerifierUtil.generateRandomCodeVerifier());
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// For offline access
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if ("gmail".equals(provider.id))
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authRequestBuilder.setPrompt("consent");
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if ("office365".equals(provider.id))
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authRequestBuilder.setPrompt("select_account");
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AuthorizationRequest authRequest = authRequestBuilder.build();
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Log.i("OAuth request provider=" + provider.id + " uri=" + authRequest.toUri());
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Intent authIntent = null;
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try {
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authIntent = authService.getAuthorizationRequestIntent(authRequest);
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} catch (ActivityNotFoundException ex) {
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throw new ActivityNotFoundException("Browser not found");
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}
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PackageManager pm = getContext().getPackageManager();
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if (authIntent.resolveActivity(pm) == null) // action whitelisted
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throw new ActivityNotFoundException(authIntent.toString());
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else
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startActivityForResult(authIntent, ActivitySetup.REQUEST_OAUTH);
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} catch (Throwable ex) {
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showError(ex);
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}
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}
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private void onHandleOAuth(@NonNull Intent data) {
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try {
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etName.setEnabled(true);
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etEmail.setEnabled(true);
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AuthorizationResponse auth = AuthorizationResponse.fromIntent(data);
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if (auth == null)
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throw AuthorizationException.fromIntent(data);
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final EmailProvider provider = EmailProvider.getProvider(getContext(), auth.state);
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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String json = prefs.getString("oauth." + provider.id, null);
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prefs.edit().remove("oauth." + provider.id).apply();
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final AuthState authState = AuthState.jsonDeserialize(json);
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Log.i("OAuth get token provider=" + provider.id);
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authState.update(auth, null);
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if (BuildConfig.DEBUG)
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Log.i("OAuth response=" + authState.jsonSerializeString());
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AuthorizationService authService = new AuthorizationService(getContext());
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ClientAuthentication clientAuth;
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if (provider.oauth.clientSecret == null)
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clientAuth = NoClientAuthentication.INSTANCE;
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else
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clientAuth = new ClientSecretPost(provider.oauth.clientSecret);
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authService.performTokenRequest(
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auth.createTokenExchangeRequest(),
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clientAuth,
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new AuthorizationService.TokenResponseCallback() {
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@Override
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public void onTokenRequestCompleted(TokenResponse access, AuthorizationException error) {
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try {
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if (access == null)
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throw error;
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Log.i("OAuth got token provider=" + provider.id);
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if (BuildConfig.DEBUG)
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Log.i("TokenResponse=" + access.jsonSerializeString());
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authState.update(access, null);
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if (BuildConfig.DEBUG)
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Log.i("OAuth response=" + authState.jsonSerializeString());
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if (TextUtils.isEmpty(access.refreshToken))
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throw new IllegalStateException("No refresh token");
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onOAuthorized(access.accessToken, access.idToken, authState);
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} catch (Throwable ex) {
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showError(ex);
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}
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}
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});
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} catch (Throwable ex) {
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showError(ex);
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}
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}
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private void onOAuthorized(String accessToken, String idToken, AuthState state) {
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Bundle args = new Bundle();
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args.putString("id", id);
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args.putString("name", name);
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args.putString("token", accessToken);
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args.putString("jwt", idToken);
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args.putString("state", state.jsonSerializeString());
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args.putBoolean("askAccount", askAccount);
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args.putString("personal", etName.getText().toString().trim());
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args.putString("address", etEmail.getText().toString().trim());
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new SimpleTask<Void>() {
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@Override
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protected void onPreExecute(Bundle args) {
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tvConfiguring.setVisibility(View.VISIBLE);
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}
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@Override
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protected void onPostExecute(Bundle args) {
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tvConfiguring.setVisibility(View.GONE);
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}
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@Override
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protected Void onExecute(Context context, Bundle args) throws Throwable {
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String id = args.getString("id");
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String name = args.getString("name");
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String token = args.getString("token");
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String jwt = args.getString("jwt");
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String state = args.getString("state");
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boolean askAccount = args.getBoolean("askAccount", false);
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String personal = args.getString("personal");
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String address = args.getString("address");
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EmailProvider provider = EmailProvider.getProvider(context, id);
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String aprotocol = (provider.imap.starttls ? "imap" : "imaps");
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int aencryption = (provider.imap.starttls ? EmailService.ENCRYPTION_STARTTLS : EmailService.ENCRYPTION_SSL);
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String username = address;
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if (accessToken != null) {
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// https://docs.microsoft.com/en-us/azure/active-directory/develop/access-tokens
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String[] segments = accessToken.split("\\.");
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if (segments.length > 1)
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try {
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String payload = new String(Base64.decode(segments[1], Base64.DEFAULT));
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EntityLog.log(context, "token payload=" + payload);
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JSONObject jpayload = new JSONObject(payload);
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if (jpayload.has("unique_name")) {
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String unique_name = jpayload.getString("unique_name");
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if (!TextUtils.isEmpty(unique_name) && !unique_name.equals(address)) {
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try (EmailService iservice = new EmailService(
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context, aprotocol, null, aencryption, false,
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EmailService.PURPOSE_CHECK, true)) {
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iservice.connect(
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provider.imap.host, provider.imap.port,
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AUTH_TYPE_OAUTH, provider.id,
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unique_name, state,
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null, null);
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username = unique_name;
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Log.i("token unique_name=" + unique_name);
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} catch (Throwable ex) {
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Log.w(ex);
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}
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}
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}
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} catch (Throwable ex) {
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Log.w(ex);
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}
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}
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if (jwt != null) {
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// https://docs.microsoft.com/en-us/azure/active-directory/develop/id-tokens
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String[] segments = jwt.split("\\.");
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if (segments.length > 1)
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try {
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// https://jwt.ms/
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String payload = new String(Base64.decode(segments[1], Base64.DEFAULT));
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EntityLog.log(context, "jwt payload=" + payload);
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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List<Pair<String, String>> identities = new ArrayList<>();
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if (askAccount)
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identities.add(new Pair<>(address, personal));
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else
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throw new IllegalArgumentException("Unknown provider=" + id);
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ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo ani = (cm == null ? null : cm.getActiveNetworkInfo());
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if (ani == null || !ani.isConnected())
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throw new IllegalArgumentException(context.getString(R.string.title_no_internet));
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Log.i("OAuth username=" + username);
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for (Pair<String, String> identity : identities)
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Log.i("OAuth identity=" + identity.first + "/" + identity.second);
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List<EntityFolder> folders;
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Log.i("OAuth checking IMAP provider=" + provider.id);
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try (EmailService iservice = new EmailService(
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context, aprotocol, null, aencryption, false,
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EmailService.PURPOSE_CHECK, true)) {
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iservice.connect(
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provider.imap.host, provider.imap.port,
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AUTH_TYPE_OAUTH, provider.id,
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username, state,
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null, null);
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folders = iservice.getFolders();
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}
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Log.i("OAuth checking SMTP provider=" + provider.id);
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Long max_size;
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String iprotocol = (provider.smtp.starttls ? "smtp" : "smtps");
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int iencryption = (provider.smtp.starttls ? EmailService.ENCRYPTION_STARTTLS : EmailService.ENCRYPTION_SSL);
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try (EmailService iservice = new EmailService(
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context, iprotocol, null, iencryption, false,
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EmailService.PURPOSE_CHECK, true)) {
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iservice.connect(
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provider.smtp.host, provider.smtp.port,
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AUTH_TYPE_OAUTH, provider.id,
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username, state,
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null, null);
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max_size = iservice.getMaxSize();
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}
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Log.i("OAuth passed provider=" + provider.id);
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DB db = DB.getInstance(context);
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try {
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db.beginTransaction();
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EntityAccount primary = db.account().getPrimaryAccount();
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// Create account
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|
EntityAccount account = new EntityAccount();
|
|
|
|
account.host = provider.imap.host;
|
|
account.encryption = aencryption;
|
|
account.port = provider.imap.port;
|
|
account.auth_type = AUTH_TYPE_OAUTH;
|
|
account.provider = provider.id;
|
|
account.user = username;
|
|
account.password = state;
|
|
|
|
int at = address.indexOf('@');
|
|
String user = address.substring(0, at);
|
|
|
|
account.name = provider.name + "/" + user;
|
|
|
|
account.synchronize = true;
|
|
account.primary = (primary == null);
|
|
|
|
if (provider.keepalive > 0)
|
|
account.poll_interval = provider.keepalive;
|
|
|
|
account.partial_fetch = provider.partial;
|
|
|
|
account.created = new Date().getTime();
|
|
account.last_connected = account.created;
|
|
|
|
account.id = db.account().insertAccount(account);
|
|
args.putLong("account", account.id);
|
|
EntityLog.log(context, "OAuth account=" + account.name);
|
|
|
|
// Create folders
|
|
for (EntityFolder folder : folders) {
|
|
EntityFolder existing = db.folder().getFolderByName(account.id, folder.name);
|
|
if (existing == null) {
|
|
folder.account = account.id;
|
|
folder.id = db.folder().insertFolder(folder);
|
|
EntityLog.log(context, "OAuth folder=" + folder.name + " type=" + folder.type);
|
|
if (folder.synchronize)
|
|
EntityOperation.sync(context, folder.id, false);
|
|
}
|
|
}
|
|
|
|
// Set swipe left/right folder
|
|
for (EntityFolder folder : folders)
|
|
if (EntityFolder.TRASH.equals(folder.type))
|
|
account.swipe_left = folder.id;
|
|
else if (EntityFolder.ARCHIVE.equals(folder.type))
|
|
account.swipe_right = folder.id;
|
|
|
|
db.account().updateAccount(account);
|
|
|
|
// Create identities
|
|
for (Pair<String, String> identity : identities) {
|
|
EntityIdentity ident = new EntityIdentity();
|
|
ident.name = identity.second;
|
|
ident.email = identity.first;
|
|
ident.account = account.id;
|
|
|
|
ident.host = provider.smtp.host;
|
|
ident.encryption = iencryption;
|
|
ident.port = provider.smtp.port;
|
|
ident.auth_type = AUTH_TYPE_OAUTH;
|
|
ident.provider = provider.id;
|
|
ident.user = username;
|
|
ident.password = state;
|
|
ident.synchronize = true;
|
|
ident.primary = ident.user.equals(ident.email);
|
|
ident.max_size = max_size;
|
|
|
|
ident.id = db.identity().insertIdentity(ident);
|
|
EntityLog.log(context, "OAuth identity=" + ident.name + " email=" + ident.email);
|
|
}
|
|
|
|
db.setTransactionSuccessful();
|
|
} finally {
|
|
db.endTransaction();
|
|
}
|
|
|
|
ServiceSynchronize.eval(context, "OAuth");
|
|
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
protected void onExecuted(Bundle args, Void data) {
|
|
pbOAuth.setVisibility(View.GONE);
|
|
|
|
FragmentReview fragment = new FragmentReview();
|
|
fragment.setArguments(args);
|
|
fragment.setTargetFragment(FragmentOAuth.this, ActivitySetup.REQUEST_DONE);
|
|
fragment.show(getParentFragmentManager(), "oauth:review");
|
|
}
|
|
|
|
@Override
|
|
protected void onException(Bundle args, Throwable ex) {
|
|
showError(ex);
|
|
}
|
|
}.execute(this, args, "oauth:configure");
|
|
}
|
|
|
|
private void onHandleCancel() {
|
|
etName.setEnabled(true);
|
|
etEmail.setEnabled(true);
|
|
btnOAuth.setEnabled(true);
|
|
pbOAuth.setVisibility(View.GONE);
|
|
}
|
|
|
|
private void showError(Throwable ex) {
|
|
Log.e(ex);
|
|
|
|
if (ex instanceof IllegalArgumentException)
|
|
tvError.setText(ex.getMessage());
|
|
else
|
|
tvError.setText(Log.formatThrowable(ex));
|
|
|
|
grpError.setVisibility(View.VISIBLE);
|
|
|
|
if ("gmail".equals(id))
|
|
tvGmailDraftsHint.setVisibility(View.VISIBLE);
|
|
|
|
if ("office365".equals(id) &&
|
|
ex instanceof AuthenticationFailedException)
|
|
tvOfficeAuthHint.setVisibility(View.VISIBLE);
|
|
|
|
etName.setEnabled(true);
|
|
etEmail.setEnabled(true);
|
|
btnOAuth.setEnabled(true);
|
|
pbOAuth.setVisibility(View.GONE);
|
|
|
|
getMainHandler().post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
scroll.smoothScrollTo(0, tvError.getBottom());
|
|
}
|
|
});
|
|
}
|
|
|
|
private void hideError() {
|
|
grpError.setVisibility(View.GONE);
|
|
tvGmailDraftsHint.setVisibility(View.GONE);
|
|
tvOfficeAuthHint.setVisibility(View.GONE);
|
|
}
|
|
}
|