conversations-classic/src/main/java/eu/siacs/conversations/crypto/axolotl/FingerprintStatus.java

173 lines
4.9 KiB
Java

package eu.siacs.conversations.crypto.axolotl;
import android.content.ContentValues;
import android.database.Cursor;
public class FingerprintStatus implements Comparable<FingerprintStatus> {
private static final long DO_NOT_OVERWRITE = -1;
private Trust trust = Trust.UNTRUSTED;
private boolean active = false;
private long lastActivation = DO_NOT_OVERWRITE;
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
FingerprintStatus that = (FingerprintStatus) o;
return active == that.active && trust == that.trust;
}
@Override
public int hashCode() {
int result = trust.hashCode();
result = 31 * result + (active ? 1 : 0);
return result;
}
private FingerprintStatus() {
}
public ContentValues toContentValues() {
final ContentValues contentValues = new ContentValues();
contentValues.put(SQLiteAxolotlStore.TRUST,trust.toString());
contentValues.put(SQLiteAxolotlStore.ACTIVE,active ? 1 : 0);
if (lastActivation != DO_NOT_OVERWRITE) {
contentValues.put(SQLiteAxolotlStore.LAST_ACTIVATION,lastActivation);
}
return contentValues;
}
public static FingerprintStatus fromCursor(Cursor cursor) {
final FingerprintStatus status = new FingerprintStatus();
try {
status.trust = Trust.valueOf(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.TRUST)));
} catch(IllegalArgumentException e) {
status.trust = Trust.UNTRUSTED;
}
status.active = cursor.getInt(cursor.getColumnIndex(SQLiteAxolotlStore.ACTIVE)) > 0;
status.lastActivation = cursor.getLong(cursor.getColumnIndex(SQLiteAxolotlStore.LAST_ACTIVATION));
return status;
}
public static FingerprintStatus createActiveUndecided() {
final FingerprintStatus status = new FingerprintStatus();
status.trust = Trust.UNDECIDED;
status.active = true;
status.lastActivation = System.currentTimeMillis();
return status;
}
public static FingerprintStatus createActiveVerified(boolean x509) {
final FingerprintStatus status = new FingerprintStatus();
status.trust = x509 ? Trust.VERIFIED_X509 : Trust.VERIFIED;
status.active = true;
return status;
}
public static FingerprintStatus createActive(boolean trusted) {
final FingerprintStatus status = new FingerprintStatus();
status.trust = trusted ? Trust.TRUSTED : Trust.UNTRUSTED;
status.active = true;
return status;
}
public boolean isTrustedAndActive() {
return active && isTrusted();
}
public boolean isTrusted() {
return trust == Trust.TRUSTED || isVerified();
}
public boolean isVerified() {
return trust == Trust.VERIFIED || trust == Trust.VERIFIED_X509;
}
public boolean isCompromised() {
return trust == Trust.COMPROMISED;
}
public boolean isActive() {
return active;
}
public FingerprintStatus toActive() {
FingerprintStatus status = new FingerprintStatus();
status.trust = trust;
if (!status.active) {
status.lastActivation = System.currentTimeMillis();
}
status.active = true;
return status;
}
public FingerprintStatus toInactive() {
FingerprintStatus status = new FingerprintStatus();
status.trust = trust;
status.active = false;
return status;
}
public Trust getTrust() {
return trust;
}
public static FingerprintStatus createCompromised() {
FingerprintStatus status = new FingerprintStatus();
status.active = false;
status.trust = Trust.COMPROMISED;
return status;
}
public FingerprintStatus toVerified() {
FingerprintStatus status = new FingerprintStatus();
status.active = active;
status.trust = Trust.VERIFIED;
return status;
}
public static FingerprintStatus createInactiveVerified() {
final FingerprintStatus status = new FingerprintStatus();
status.trust = Trust.VERIFIED;
status.active = false;
return status;
}
@Override
public int compareTo(FingerprintStatus o) {
if (active == o.active) {
if (lastActivation > o.lastActivation) {
return -1;
} else if (lastActivation < o.lastActivation) {
return 1;
} else {
return 0;
}
} else if (active){
return -1;
} else {
return 1;
}
}
public long getLastActivation() {
return lastActivation;
}
public enum Trust {
COMPROMISED,
UNDECIDED,
UNTRUSTED,
TRUSTED,
VERIFIED,
VERIFIED_X509
}
}