package com.mongodb.operation;
import com.mongodb.MongoCommandException;
import com.mongodb.MongoCredential;
import com.mongodb.MongoInternalException;
import com.mongodb.async.SingleResultCallback;
import com.mongodb.connection.ConnectionDescription;
import com.mongodb.connection.ServerVersion;
import com.mongodb.internal.operation.WriteConcernHelper;
import com.mongodb.lang.NonNull;
import org.bson.BsonArray;
import org.bson.BsonBoolean;
import org.bson.BsonDocument;
import org.bson.BsonString;
import org.bson.BsonValue;
import java.util.Collections;
import static com.mongodb.internal.authentication.NativeAuthenticationHelper.createAuthenticationHash;
import static com.mongodb.internal.operation.ServerVersionHelper.serverIsAtLeastVersionFourDotZero;
import static com.mongodb.internal.operation.WriteConcernHelper.hasWriteConcernError;
final class UserOperationHelper {
private static final ServerVersion FOUR_ZERO = new ServerVersion(4, 0);
static BsonDocument asCommandDocument(final MongoCredential credential, final ConnectionDescription connectionDescription,
final boolean readOnly, final String commandName) {
boolean serverDigestPassword = serverIsAtLeastVersionFourDotZero(connectionDescription);
BsonDocument document = new BsonDocument();
document.put(commandName, new BsonString(getUserNameNonNull(credential)));
if (serverDigestPassword) {
document.put("pwd", new BsonString(new String(getPasswordNonNull(credential))));
} else {
document.put("pwd", new BsonString(createAuthenticationHash(getUserNameNonNull(credential), getPasswordNonNull(credential))));
}
document.put("digestPassword", BsonBoolean.valueOf(serverDigestPassword));
document.put("roles", new BsonArray(Collections.<BsonValue>singletonList(new BsonString(getRoleName(credential, readOnly)))));
return document;
}
private static String getRoleName(final MongoCredential credential, final boolean readOnly) {
return credential.getSource().equals("admin")
? (readOnly ? "readAnyDatabase" : "root") : (readOnly ? "read" : "dbOwner");
}
static void translateUserCommandException(final MongoCommandException e) {
if (e.getErrorCode() == 100 && hasWriteConcernError(e.getResponse())) {
throw WriteConcernHelper.createWriteConcernException(e.getResponse(), e.getServerAddress());
} else {
throw e;
}
}
static SingleResultCallback<Void> userCommandCallback(final SingleResultCallback<Void> wrappedCallback) {
return new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
if (t != null) {
if (t instanceof MongoCommandException
&& hasWriteConcernError(((MongoCommandException) t).getResponse())) {
wrappedCallback.onResult(null,
WriteConcernHelper.createWriteConcernException(((MongoCommandException) t).getResponse(),
((MongoCommandException) t).getServerAddress()));
} else {
wrappedCallback.onResult(null, t);
}
} else {
wrappedCallback.onResult(null, null);
}
}
};
}
@NonNull
private static String getUserNameNonNull(final MongoCredential credential) {
String userName = credential.getUserName();
if (userName == null) {
throw new MongoInternalException("User name can not be null");
}
return userName;
}
@NonNull
private static char[] getPasswordNonNull(final MongoCredential credential) {
char[] password = credential.getPassword();
if (password == null) {
throw new MongoInternalException("Password can not be null");
}
return password;
}
private UserOperationHelper() {
}
}