Examples with EXistException org.exist.EXistException used on opensource projects

Example 36 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class Deployment method checkUserSettings.

private void checkUserSettings(final DBBroker broker, final RequestedPerms requestedPerms) throws PackageException {
    final org.exist.security.SecurityManager secman = broker.getBrokerPool().getSecurityManager();
    try {
        if (requestedPerms.group.filter(g -> !secman.hasGroup(g)).isPresent()) {
            secman.addGroup(broker, new GroupAider(requestedPerms.group.get()));
        }
        if (!secman.hasAccount(requestedPerms.user)) {
            final UserAider aider = new UserAider(requestedPerms.user);
            aider.setPassword(requestedPerms.password);
            requestedPerms.group.ifPresent(aider::addGroup);
            secman.addAccount(broker, aider);
        }
    } catch (final PermissionDeniedException | EXistException e) {
        throw new PackageException("Failed to create user: " + requestedPerms.user, e);
    }
}

Example 37 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class EmbeddedOutputStream method uploadToDb.

private static void uploadToDb(final BrokerPool pool, final XmldbURL url, final Path tempFile) throws IOException {
    try (final DBBroker broker = pool.getBroker()) {
        final XmldbURI collectionUri = XmldbURI.create(url.getCollection());
        final XmldbURI documentUri = XmldbURI.create(url.getDocumentName());
        try (final Collection collection = broker.openCollection(collectionUri, Lock.LockMode.WRITE_LOCK)) {
            if (collection == null) {
                throw new IOException("Resource " + collectionUri.toString() + " is not a collection.");
            }
            if (collection.hasChildCollection(broker, documentUri)) {
                throw new IOException("Resource " + documentUri.toString() + " is a collection.");
            }
            final MimeType mime = MimeTable.getInstance().getContentTypeFor(documentUri);
            final TransactionManager transact = pool.getTransactionManager();
            try (final Txn txn = transact.beginTransaction()) {
                broker.storeDocument(txn, documentUri, new FileInputSource(tempFile), mime, collection);
                txn.commit();
            }
        }
    } catch (final EXistException | PermissionDeniedException | LockException | SAXException e) {
        LOG.error(e);
        throw new IOException(e.getMessage(), e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("End document upload");
        }
    }
}

Example 38 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class NativeBroker method copyResource.

@Override
public void copyResource(final Txn transaction, final DocumentImpl sourceDocument, final Collection targetCollection, final XmldbURI newDocName, final PreserveType preserve) throws PermissionDeniedException, LockException, IOException, TriggerException, EXistException {
    assert (sourceDocument != null);
    assert (targetCollection != null);
    assert (newDocName != null);
    if (isReadOnly()) {
        throw new IOException(DATABASE_IS_READ_ONLY);
    }
    if (newDocName.numSegments() != 1) {
        throw new IOException("newName name must be just a name i.e. an XmldbURI with one segment!");
    }
    final XmldbURI sourceDocumentUri = sourceDocument.getURI();
    final XmldbURI targetCollectionUri = targetCollection.getURI();
    final XmldbURI targetDocumentUri = targetCollectionUri.append(newDocName);
    if (!sourceDocument.getPermissions().validate(getCurrentSubject(), Permission.READ)) {
        throw new PermissionDeniedException("Account '" + getCurrentSubject().getName() + "' has insufficient privileges to copy the resource '" + sourceDocumentUri + "'.");
    }
    // we assume the caller holds a READ_LOCK (or better) on sourceDocument#getCollection()
    final Collection sourceCollection = sourceDocument.getCollection();
    if (!sourceCollection.getPermissions().validate(getCurrentSubject(), Permission.EXECUTE)) {
        throw new PermissionDeniedException("Account '" + getCurrentSubject().getName() + "' has insufficient privileges to copy the resource '" + sourceDocumentUri + "'.");
    }
    if (!targetCollection.getPermissionsNoLock().validate(getCurrentSubject(), Permission.EXECUTE)) {
        throw new PermissionDeniedException("Account '" + getCurrentSubject().getName() + "' does not have execute access on the destination collection '" + targetCollectionUri + "'.");
    }
    if (targetCollection.hasChildCollection(this, newDocName.lastSegment())) {
        throw new EXistException("The collection '" + targetCollectionUri + "' already has a sub-collection named '" + newDocName.lastSegment() + "', you cannot create a Document with the same name as an existing collection.");
    }
    try (final LockedDocument oldLockedDoc = targetCollection.getDocumentWithLock(this, newDocName, LockMode.WRITE_LOCK)) {
        final DocumentTrigger trigger = new DocumentTriggers(this, transaction, targetCollection);
        final DocumentImpl oldDoc = oldLockedDoc == null ? null : oldLockedDoc.getDocument();
        if (oldDoc == null) {
            if (!targetCollection.getPermissionsNoLock().validate(getCurrentSubject(), Permission.WRITE)) {
                throw new PermissionDeniedException("Account '" + getCurrentSubject().getName() + "' does not have write access on the destination collection '" + targetCollectionUri + "'.");
            }
        } else {
            if (sourceDocument.getDocId() == oldDoc.getDocId()) {
                throw new PermissionDeniedException("Cannot copy resource to itself '" + sourceDocumentUri + "'.");
            }
            if (!oldDoc.getPermissions().validate(getCurrentSubject(), Permission.WRITE)) {
                throw new PermissionDeniedException("A resource with the same name already exists in the target collection '" + oldDoc.getURI() + "', and you do not have write access on that resource.");
            }
            trigger.beforeDeleteDocument(this, transaction, oldDoc);
            trigger.afterDeleteDocument(this, transaction, targetDocumentUri);
        }
        doCopyDocument(transaction, trigger, sourceDocument, targetCollection, newDocName, oldDoc, preserve);
    }
}

Example 39 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class NativeValueIndex method remove.

private <T> void remove(final PendingChanges<T> pending, final FunctionE<T, Value, EXistException> dbKeyFn) {
    final VariableByteOutputStream nodeIdOs = new VariableByteOutputStream();
    for (final Map.Entry<T, List<NodeId>> entry : pending.changes.entrySet()) {
        final T key = entry.getKey();
        final List<NodeId> storedGIDList = entry.getValue();
        final List<NodeId> newGIDList = new ArrayList<>();
        os.clear();
        try (final ManagedLock<ReentrantLock> bfileLock = lockManager.acquireBtreeWriteLock(dbValues.getLockName())) {
            // Compute a key for the value
            final Value searchKey = dbKeyFn.apply(key);
            final Value value = dbValues.get(searchKey);
            // Does the value already has data in the index ?
            if (value != null) {
                // Add its data to the new list
                final VariableByteArrayInput is = new VariableByteArrayInput(value.getData());
                while (is.available() > 0) {
                    final int storedDocId = is.readInt();
                    final int gidsCount = is.readInt();
                    final int size = is.readFixedInt();
                    if (storedDocId != this.doc.getDocId()) {
                        // data are related to another document:
                        // append them to any existing data
                        os.writeInt(storedDocId);
                        os.writeInt(gidsCount);
                        os.writeFixedInt(size);
                        is.copyRaw(os, size);
                    } else {
                        // data are related to our document:
                        // feed the new list with the GIDs
                        NodeId previous = null;
                        for (int j = 0; j < gidsCount; j++) {
                            final NodeId nodeId = broker.getBrokerPool().getNodeFactory().createFromStream(previous, is);
                            previous = nodeId;
                            // in the list of removed nodes
                            if (!containsNode(storedGIDList, nodeId)) {
                                newGIDList.add(nodeId);
                            }
                        }
                    }
                }
                // append the data from the new list
                if (newGIDList.size() > 0) {
                    final int gidsCount = newGIDList.size();
                    // Don't forget this one
                    FastQSort.sort(newGIDList, 0, gidsCount - 1);
                    os.writeInt(this.doc.getDocId());
                    os.writeInt(gidsCount);
                    // Compute the new GID list
                    try {
                        NodeId previous = null;
                        for (final NodeId nodeId : newGIDList) {
                            previous = nodeId.write(previous, nodeIdOs);
                        }
                        final byte[] nodeIdsData = nodeIdOs.toByteArray();
                        // clear the buf for the next iteration
                        nodeIdOs.clear();
                        // Write length of node IDs (bytes)
                        os.writeFixedInt(nodeIdsData.length);
                        // write the node IDs
                        os.write(nodeIdsData);
                    } catch (final IOException e) {
                        LOG.warn("IO error while writing range index: {}", e.getMessage(), e);
                    // TODO : throw exception?
                    }
                }
                // dbValues.remove(value);
                if (dbValues.update(value.getAddress(), searchKey, os.data()) == BFile.UNKNOWN_ADDRESS) {
                    LOG.error("Could not update index data for value '{}'", searchKey);
                // TODO: throw exception ?
                }
            } else {
                if (dbValues.put(searchKey, os.data()) == BFile.UNKNOWN_ADDRESS) {
                    LOG.error("Could not put index data for value '{}'", searchKey);
                // TODO : throw exception ?
                }
            }
        } catch (final EXistException | IOException e) {
            LOG.error(e.getMessage(), e);
        } catch (final LockException e) {
            LOG.warn("Failed to acquire lock for '{}'", FileUtils.fileName(dbValues.getFile()), e);
        // TODO : return ?
        } finally {
            os.clear();
        }
    }
    pending.changes.clear();
}

Example 40 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class NativeValueIndex method findAll.

/**
 * find.
 *
 * @param comparison The type of comparison the search is performing
 * @param docs       The documents to search for matches within
 * @param contextSet DOCUMENT ME!
 * @param axis       DOCUMENT ME!
 * @param qnames     DOCUMENT ME!
 * @param value      right hand comparison value
 * @param result     DOCUMENT ME!
 * @return DOCUMENT ME!
 * @throws TerminatedException DOCUMENT ME!
 */
private NodeSet findAll(final XQueryWatchDog watchDog, final Comparison comparison, final DocumentSet docs, final NodeSet contextSet, final int axis, final List<QName> qnames, final Indexable value, final NodeSet result) throws TerminatedException {
    final SearchCallback cb = new SearchCallback(docs, contextSet, result, axis == NodeSet.ANCESTOR);
    final int idxOp = toIndexQueryOp(comparison);
    for (final Iterator<Collection> iter = docs.getCollectionIterator(); iter.hasNext(); ) {
        final int collectionId = iter.next().getId();
        watchDog.proceed(null);
        if (qnames == null) {
            try (final ManagedLock<ReentrantLock> bfileLock = lockManager.acquireBtreeReadLock(dbValues.getLockName())) {
                final Value searchKey = new SimpleValue(collectionId, value);
                final IndexQuery query = new IndexQuery(idxOp, searchKey);
                if (idxOp == IndexQuery.EQ) {
                    dbValues.query(query, cb);
                } else {
                    final Value prefixKey = new SimplePrefixValue(collectionId, value.getType());
                    dbValues.query(query, prefixKey, cb);
                }
            } catch (final EXistException | BTreeException | IOException e) {
                LOG.error(e.getMessage(), e);
            } catch (final LockException e) {
                LOG.warn("Failed to acquire lock for '{}'", FileUtils.fileName(dbValues.getFile()), e);
            }
        } else {
            for (final QName qname : qnames) {
                try (final ManagedLock<ReentrantLock> bfileLock = lockManager.acquireBtreeReadLock(dbValues.getLockName())) {
                    // Compute a key for the value in the collection
                    final Value searchKey = new QNameValue(collectionId, qname, value, broker.getBrokerPool().getSymbols());
                    final IndexQuery query = new IndexQuery(idxOp, searchKey);
                    if (idxOp == IndexQuery.EQ) {
                        dbValues.query(query, cb);
                    } else {
                        final Value prefixKey = new QNamePrefixValue(collectionId, qname, value.getType(), broker.getBrokerPool().getSymbols());
                        dbValues.query(query, prefixKey, cb);
                    }
                } catch (final EXistException | BTreeException | IOException e) {
                    LOG.error(e.getMessage(), e);
                } catch (final LockException e) {
                    LOG.warn("Failed to acquire lock for '{}'", FileUtils.fileName(dbValues.getFile()), e);
                }
            }
        }
    }
    return result;
}