Examples with AccessMode org.neo4j.internal.kernel.api.security.AccessMode used on opensource projects

Example 11 with AccessMode

use of org.neo4j.internal.kernel.api.security.AccessMode in project neo4j by neo4j.

the class AllStoreHolder method relationshipExists.

@Override
public boolean relationshipExists(long reference) {
    ktx.assertOpen();
    if (hasTxStateWithChanges()) {
        TransactionState txState = txState();
        if (txState.relationshipIsDeletedInThisTx(reference)) {
            return false;
        } else if (txState.relationshipIsAddedInThisTx(reference)) {
            return true;
        }
    }
    AccessMode mode = ktx.securityContext().mode();
    CursorContext cursorContext = ktx.cursorContext();
    boolean existsInRelStore = storageReader.relationshipExists(reference, cursorContext);
    if (mode.allowsTraverseAllRelTypes()) {
        return existsInRelStore;
    } else if (!existsInRelStore) {
        return false;
    } else {
        // DefaultNodeCursor already contains traversal checks within next()
        try (DefaultRelationshipScanCursor rels = cursors.allocateRelationshipScanCursor(cursorContext)) {
            ktx.dataRead().singleRelationship(reference, rels);
            return rels.next();
        }
    }
}

Example 12 with AccessMode

use of org.neo4j.internal.kernel.api.security.AccessMode in project neo4j by neo4j.

the class BuiltInProcedures method listLabels.

@SystemProcedure
@Description("List all available labels in the database.")
@Procedure(name = "db.labels", mode = READ)
public Stream<LabelResult> listLabels() {
    if (callContext.isSystemDatabase()) {
        return Stream.empty();
    }
    AccessMode mode = kernelTransaction.securityContext().mode();
    TokenRead tokenRead = kernelTransaction.tokenRead();
    List<LabelResult> labelsInUse;
    try (KernelTransaction.Revertable ignore = kernelTransaction.overrideWith(SecurityContext.AUTH_DISABLED)) {
        // Get all labels that are in use as seen by a super user
        labelsInUse = stream(LABELS.inUse(kernelTransaction)).filter(label -> mode.allowsTraverseNode(tokenRead.nodeLabel(label.name()))).map(LabelResult::new).collect(Collectors.toList());
    }
    return labelsInUse.stream();
}