102 lines
4.1 KiB
Java
102 lines
4.1 KiB
Java
/*
|
|
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
*
|
|
* 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.helper;
|
|
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.os.Bundle;
|
|
import android.os.Messenger;
|
|
|
|
import org.sufficientlysecure.keychain.keyimport.HkpKeyserver;
|
|
import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
|
|
import org.sufficientlysecure.keychain.keyimport.Keyserver;
|
|
import org.sufficientlysecure.keychain.service.KeychainIntentService;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.HashSet;
|
|
import java.util.List;
|
|
import java.util.Locale;
|
|
import java.util.Set;
|
|
|
|
public class EmailKeyHelper {
|
|
|
|
public static void importContacts(Context context, Messenger messenger) {
|
|
importAll(context, messenger, ContactHelper.getContactMails(context));
|
|
}
|
|
|
|
public static void importAll(Context context, Messenger messenger, List<String> mails) {
|
|
Set<ImportKeysListEntry> keys = new HashSet<ImportKeysListEntry>();
|
|
for (String mail : mails) {
|
|
keys.addAll(getEmailKeys(context, mail));
|
|
}
|
|
importKeys(context, messenger, new ArrayList<ImportKeysListEntry>(keys));
|
|
}
|
|
|
|
public static List<ImportKeysListEntry> getEmailKeys(Context context, String mail) {
|
|
Set<ImportKeysListEntry> keys = new HashSet<ImportKeysListEntry>();
|
|
|
|
// Try _hkp._tcp SRV record first
|
|
String[] mailparts = mail.split("@");
|
|
if (mailparts.length == 2) {
|
|
HkpKeyserver hkp = HkpKeyserver.resolve(mailparts[1]);
|
|
if (hkp != null) {
|
|
keys.addAll(getEmailKeys(mail, hkp));
|
|
}
|
|
}
|
|
|
|
if (keys.isEmpty()) {
|
|
// Most users don't have the SRV record, so ask a default server as well
|
|
String[] servers = Preferences.getPreferences(context).getKeyServers();
|
|
if (servers != null && servers.length != 0) {
|
|
HkpKeyserver hkp = new HkpKeyserver(servers[0]);
|
|
keys.addAll(getEmailKeys(mail, hkp));
|
|
}
|
|
}
|
|
return new ArrayList<ImportKeysListEntry>(keys);
|
|
}
|
|
|
|
private static void importKeys(Context context, Messenger messenger, List<ImportKeysListEntry> keys) {
|
|
Intent importIntent = new Intent(context, KeychainIntentService.class);
|
|
importIntent.setAction(KeychainIntentService.ACTION_DOWNLOAD_AND_IMPORT_KEYS);
|
|
Bundle importData = new Bundle();
|
|
importData.putParcelableArrayList(KeychainIntentService.DOWNLOAD_KEY_LIST,
|
|
new ArrayList<ImportKeysListEntry>(keys));
|
|
importIntent.putExtra(KeychainIntentService.EXTRA_DATA, importData);
|
|
importIntent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
|
|
|
|
context.startService(importIntent);
|
|
}
|
|
|
|
public static List<ImportKeysListEntry> getEmailKeys(String mail, Keyserver keyServer) {
|
|
Set<ImportKeysListEntry> keys = new HashSet<ImportKeysListEntry>();
|
|
try {
|
|
for (ImportKeysListEntry key : keyServer.search(mail)) {
|
|
if (key.isRevoked() || key.isExpired()) continue;
|
|
for (String userId : key.getUserIds()) {
|
|
if (userId.toLowerCase().contains(mail.toLowerCase(Locale.ENGLISH))) {
|
|
keys.add(key);
|
|
}
|
|
}
|
|
}
|
|
} catch (Keyserver.QueryFailedException ignored) {
|
|
} catch (Keyserver.QueryNeedsRepairException ignored) {
|
|
}
|
|
return new ArrayList<ImportKeysListEntry>(keys);
|
|
}
|
|
}
|