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[api] Add interface for adding contacts remotely

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This commit is contained in:
Torsten Grote
2018-11-30 12:25:16 -02:00
parent a3c526ec9a
commit fb1d8e860f
5 changed files with 184 additions and 0 deletions
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54
bramble-core/src/main/java/org/briarproject/bramble/contact/ContactManagerImpl.java
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@@ -3,6 +3,8 @@ package org.briarproject.bramble.contact;
import org.briarproject.bramble.api.contact.Contact;
import org.briarproject.bramble.api.contact.ContactId;
import org.briarproject.bramble.api.contact.ContactManager;
import org.briarproject.bramble.api.contact.PendingContact;
import org.briarproject.bramble.api.contact.PendingContactId;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.db.DatabaseComponent;
import org.briarproject.bramble.api.db.DbException;
@@ -19,12 +21,16 @@ import org.briarproject.bramble.api.transport.KeyManager;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Random;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.regex.Pattern;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
import javax.inject.Inject;
import static java.util.Collections.emptyList;
import static org.briarproject.bramble.api.contact.PendingContact.PendingContactState.WAITING_FOR_CONNECTION;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
import static org.briarproject.bramble.api.identity.AuthorInfo.Status.OURSELVES;
import static org.briarproject.bramble.api.identity.AuthorInfo.Status.UNKNOWN;
@@ -36,6 +42,12 @@ import static org.briarproject.bramble.util.StringUtils.toUtf8;
@NotNullByDefault
class ContactManagerImpl implements ContactManager {
private static final int LINK_LENGTH = 64;
private static final String REMOTE_CONTACT_LINK =
"briar://" + getRandomBase32String(LINK_LENGTH);
private static final Pattern LINK_REGEX =
Pattern.compile("(briar://)?([a-z2-7]{" + LINK_LENGTH + "})");
private final DatabaseComponent db;
private final KeyManager keyManager;
private final IdentityManager identityManager;
@@ -84,6 +96,48 @@ class ContactManagerImpl implements ContactManager {
verified, active));
}
@Override
public String getRemoteContactLink() {
// TODO replace with real implementation
return REMOTE_CONTACT_LINK;
}
@SuppressWarnings("SameParameterValue")
private static String getRandomBase32String(int length) {
Random random = new Random();
char[] c = new char[length];
for (int i = 0; i < length; i++) {
int character = random.nextInt(32);
if (character < 26) c[i] = (char) ('a' + character);
else c[i] = (char) ('2' + (character - 26));
}
return new String(c);
}
@Override
public boolean isValidRemoteContactLink(String link) {
return LINK_REGEX.matcher(link).matches();
}
@Override
public PendingContact addRemoteContactRequest(String link, String alias) {
// TODO replace with real implementation
PendingContactId id = new PendingContactId(link.getBytes());
return new PendingContact(id, alias, WAITING_FOR_CONNECTION,
System.currentTimeMillis());
}
@Override
public Collection<PendingContact> getPendingContacts() {
// TODO replace with real implementation
return emptyList();
}
@Override
public void removePendingContact(PendingContact pendingContact) {
// TODO replace with real implementation
}
@Override
public Contact getContact(ContactId c) throws DbException {
return db.transactionWithResult(true, txn -> db.getContact(txn, c));