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

Example 6 with EXistException

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

the class Restore method setAdminCredentials.

private void setAdminCredentials(final DBBroker broker, final String adminPassword) throws EXistException, PermissionDeniedException {
    final SecurityManager securityManager = broker.getBrokerPool().getSecurityManager();
    final Account dba = securityManager.getAccount(SecurityManager.DBA_USER);
    if (dba == null) {
        throw new EXistException("'" + SecurityManager.DBA_USER + "' account can't be found.");
    }
    dba.setCredential(new Password(dba, adminPassword));
    securityManager.updateAccount(dba);
}

Example 7 with EXistException

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

the class ExportMain method process.

private static void process(final ParsedArguments arguments) {
    final boolean verbose = getBool(arguments, verboseArg);
    final boolean noCheck = getBool(arguments, noCheckArg);
    final boolean checkDocs = getBool(arguments, checkDocsArg);
    final boolean direct = getBool(arguments, directAccessArg);
    boolean export = getBool(arguments, exportArg);
    final boolean noExport = getBool(arguments, noExportArg);
    if (noExport) {
        export = false;
    }
    final boolean incremental = getBool(arguments, incrementalArg);
    boolean zip = getBool(arguments, zipArg);
    final boolean noZip = getBool(arguments, noZipArg);
    if (noZip) {
        zip = false;
    }
    final Optional<Path> dbConfig = getOpt(arguments, configArg).map(File::toPath);
    final Path exportTarget = arguments.get(outputDirArg).toPath();
    final BrokerPool pool = startDB(dbConfig);
    if (pool == null) {
        System.exit(SystemExitCodes.CATCH_ALL_GENERAL_ERROR_EXIT_CODE);
    }
    // return value
    int retval = 0;
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        List<ErrorReport> errors = null;
        if (!noCheck) {
            final ConsistencyCheck checker = new ConsistencyCheck(broker, transaction, direct, checkDocs);
            errors = checker.checkAll(new CheckCallback());
        }
        if (errors != null && !errors.isEmpty()) {
            System.err.println("ERRORS FOUND.");
            retval = 1;
        } else {
            System.out.println("No errors.");
        }
        if (export) {
            if (!Files.exists(exportTarget)) {
                Files.createDirectories(exportTarget);
            } else if (!Files.isDirectory(exportTarget)) {
                System.err.println("Output dir already exists and is a file: " + exportTarget.toAbsolutePath().toString());
                System.exit(SystemExitCodes.INVALID_ARGUMENT_EXIT_CODE);
            }
            final SystemExport sysexport = new SystemExport(broker, transaction, new Callback(verbose), null, direct);
            sysexport.export(exportTarget.toAbsolutePath().toString(), incremental, zip, errors);
        }
        transaction.commit();
    } catch (final EXistException e) {
        System.err.println("ERROR: Failed to retrieve database broker: " + e.getMessage());
        retval = SystemExitCodes.NO_BROKER_EXIT_CODE;
    } catch (final TerminatedException e) {
        System.err.println("WARN: Export was terminated by db.");
        retval = SystemExitCodes.TERMINATED_EARLY_EXIT_CODE;
    } catch (final PermissionDeniedException pde) {
        System.err.println("ERROR: Failed to retrieve database data: " + pde.getMessage());
        retval = SystemExitCodes.PERMISSION_DENIED_EXIT_CODE;
    } catch (final IOException ioe) {
        System.err.println("ERROR: Failed to retrieve database data: " + ioe.getMessage());
        retval = SystemExitCodes.IO_ERROR_EXIT_CODE;
    } finally {
        BrokerPool.stopAll(false);
    }
    System.exit(retval);
}

Example 8 with EXistException

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

the class Configurator method save.

public static DocumentImpl save(final Configurable instance, final DBBroker broker, final Collection collection, final XmldbURI uri) throws IOException, ConfigurationException {
    final StringWriter writer = new StringWriter();
    final SAXSerializer serializer = new SAXSerializer(writer, null);
    try {
        serializer.startDocument();
        serialize(instance, serializer);
        serializer.endDocument();
    } catch (final SAXException saxe) {
        throw new ConfigurationException(saxe.getMessage(), saxe);
    }
    final String data = writer.toString();
    if (data == null || data.length() == 0) {
        return null;
    }
    FullXmldbURI fullURI = null;
    final BrokerPool pool = broker.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    LOG.info("Storing configuration {}/{}", collection.getURI(), uri);
    final SecurityManager securityManager = pool.getSecurityManager();
    try {
        final Subject systemSubject = securityManager.getSystemSubject();
        broker.pushSubject(systemSubject);
        Txn txn = broker.getCurrentTransaction();
        final boolean txnInProgress = txn != null;
        if (!txnInProgress) {
            txn = transact.beginTransaction();
        }
        try {
            txn.acquireCollectionLock(() -> pool.getLockManager().acquireCollectionWriteLock(collection.getURI()));
            fullURI = getFullURI(pool, collection.getURI().append(uri));
            saving.add(fullURI);
            final Permission systemResourcePermission = PermissionFactory.getDefaultResourcePermission(pool.getSecurityManager());
            systemResourcePermission.setOwner(systemSubject);
            systemResourcePermission.setGroup(systemSubject.getDefaultGroup());
            systemResourcePermission.setMode(Permission.DEFAULT_SYSTEM_RESOURCE_PERM);
            broker.storeDocument(txn, uri, new StringInputSource(data), MimeType.XML_TYPE, null, null, systemResourcePermission, null, null, collection);
            broker.saveCollection(txn, collection);
            if (!txnInProgress) {
                transact.commit(txn);
            }
        } catch (final EXistException | PermissionDeniedException | SAXException | LockException e) {
            if (!txnInProgress) {
                transact.abort(txn);
            }
            throw e;
        } finally {
            if (!txnInProgress) {
                txn.close();
            }
        }
        saving.remove(fullURI);
        broker.flush();
        broker.sync(Sync.MAJOR);
        return collection.getDocument(broker, uri.lastSegment());
    } catch (final EXistException | PermissionDeniedException | SAXException | LockException e) {
        LOG.error(e);
        if (fullURI != null) {
            saving.remove(fullURI);
        }
        throw new IOException(e);
    } finally {
        broker.popSubject();
    }
}

Example 9 with EXistException

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

the class RESTServer method doPost.

/**
 * Handles POST requests. If the path leads to a binary resource with
 * mime-type "application/xquery", that resource will be read and executed
 * by the XQuery engine. Otherwise, the request content is loaded and parsed
 * as XML. It may either contain an XUpdate or a query request.
 *
 * @param broker the database broker
 * @param transaction the database transaction
 * @param request the request
 * @param response the response
 * @param path the path of the request
 *
 * @throws BadRequestException if a bad request is made
 * @throws PermissionDeniedException if the request has insufficient permissions
 * @throws NotFoundException if the request resource cannot be found
 * @throws IOException if an I/O error occurs
 */
public void doPost(final DBBroker broker, final Txn transaction, final HttpServletRequest request, final HttpServletResponse response, final String path) throws BadRequestException, PermissionDeniedException, IOException, NotFoundException {
    // if required, set character encoding
    if (request.getCharacterEncoding() == null) {
        request.setCharacterEncoding(formEncoding);
    }
    final Properties outputProperties = new Properties(defaultOutputKeysProperties);
    final XmldbURI pathUri = XmldbURI.createInternal(path);
    LockedDocument lockedDocument = null;
    DocumentImpl resource = null;
    final String encoding = outputProperties.getProperty(OutputKeys.ENCODING);
    String mimeType = outputProperties.getProperty(OutputKeys.MEDIA_TYPE);
    try {
        // check if path leads to an XQuery resource.
        // if yes, the resource is loaded and the XQuery executed.
        final String xquery_mime_type = MimeType.XQUERY_TYPE.getName();
        final String xproc_mime_type = MimeType.XPROC_TYPE.getName();
        lockedDocument = broker.getXMLResource(pathUri, LockMode.READ_LOCK);
        resource = lockedDocument == null ? null : lockedDocument.getDocument();
        XmldbURI servletPath = pathUri;
        // xquery resource
        while (null == resource) {
            // traverse up the path looking for xquery objects
            servletPath = servletPath.removeLastSegment();
            if (servletPath == XmldbURI.EMPTY_URI) {
                break;
            }
            lockedDocument = broker.getXMLResource(servletPath, LockMode.READ_LOCK);
            resource = lockedDocument == null ? null : lockedDocument.getDocument();
            if (null != resource && (resource.getResourceType() == DocumentImpl.BINARY_FILE && xquery_mime_type.equals(resource.getMimeType()) || resource.getResourceType() == DocumentImpl.XML_FILE && xproc_mime_type.equals(resource.getMimeType()))) {
                // found a binary file with mime-type xquery or XML file with mime-type xproc
                break;
            } else if (null != resource) {
                // not an xquery or xproc resource. This means we have a path
                // that cannot contain an xquery or xproc object even if we keep
                // moving up the path, so bail out now
                lockedDocument.close();
                lockedDocument = null;
                resource = null;
                break;
            }
        }
        // either xquery binary file or xproc xml file
        if (resource != null) {
            if (resource.getResourceType() == DocumentImpl.BINARY_FILE && xquery_mime_type.equals(resource.getMimeType()) || resource.getResourceType() == DocumentImpl.XML_FILE && xproc_mime_type.equals(resource.getMimeType())) {
                // found an XQuery resource, fixup request values
                final String pathInfo = pathUri.trimFromBeginning(servletPath).toString();
                try {
                    if (xquery_mime_type.equals(resource.getMimeType())) {
                        // Execute the XQuery
                        executeXQuery(broker, transaction, resource, request, response, outputProperties, servletPath.toString(), pathInfo);
                    } else {
                        // Execute the XProc
                        executeXProc(broker, transaction, resource, request, response, outputProperties, servletPath.toString(), pathInfo);
                    }
                } catch (final XPathException e) {
                    if (MimeType.XML_TYPE.getName().equals(mimeType)) {
                        writeXPathException(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                    } else {
                        writeXPathExceptionHtml(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                    }
                }
                return;
            }
        }
    } finally {
        if (lockedDocument != null) {
            lockedDocument.close();
        }
    }
    // check the content type to see if its XML or a parameter string
    String requestType = request.getContentType();
    if (requestType != null) {
        final int semicolon = requestType.indexOf(';');
        if (semicolon > 0) {
            requestType = requestType.substring(0, semicolon).trim();
        }
    }
    // content type != application/x-www-form-urlencoded
    if (requestType == null || !requestType.equals(MimeType.URL_ENCODED_TYPE.getName())) {
        // third, normal POST: read the request content and check if
        // it is an XUpdate or a query request.
        int howmany = 10;
        int start = 1;
        boolean typed = false;
        ElementImpl variables = null;
        boolean enclose = true;
        boolean cache = false;
        String query = null;
        try {
            final String content = getRequestContent(request);
            final NamespaceExtractor nsExtractor = new NamespaceExtractor();
            final ElementImpl root = parseXML(broker.getBrokerPool(), content, nsExtractor);
            final String rootNS = root.getNamespaceURI();
            if (rootNS != null && rootNS.equals(Namespaces.EXIST_NS)) {
                if (Query.xmlKey().equals(root.getLocalName())) {
                    // process <query>xpathQuery</query>
                    String option = root.getAttribute(Start.xmlKey());
                    if (option != null) {
                        try {
                            start = Integer.parseInt(option);
                        } catch (final NumberFormatException e) {
                        // 
                        }
                    }
                    option = root.getAttribute(Max.xmlKey());
                    if (option != null) {
                        try {
                            howmany = Integer.parseInt(option);
                        } catch (final NumberFormatException e) {
                        // 
                        }
                    }
                    option = root.getAttribute(Enclose.xmlKey());
                    if (option != null) {
                        if ("no".equals(option)) {
                            enclose = false;
                        }
                    } else {
                        option = root.getAttribute(Wrap.xmlKey());
                        if (option != null) {
                            if ("no".equals(option)) {
                                enclose = false;
                            }
                        }
                    }
                    option = root.getAttribute(Method.xmlKey());
                    if ((option != null) && (!option.isEmpty())) {
                        outputProperties.setProperty(SERIALIZATION_METHOD_PROPERTY, option);
                    }
                    option = root.getAttribute(Typed.xmlKey());
                    if (option != null) {
                        if ("yes".equals(option)) {
                            typed = true;
                        }
                    }
                    option = root.getAttribute(Mime.xmlKey());
                    if ((option != null) && (!option.isEmpty())) {
                        mimeType = option;
                    }
                    if ((option = root.getAttribute(Cache.xmlKey())) != null) {
                        cache = "yes".equals(option);
                    }
                    if ((option = root.getAttribute(Session.xmlKey())) != null && option.length() > 0) {
                        outputProperties.setProperty(Serializer.PROPERTY_SESSION_ID, option);
                    }
                    final NodeList children = root.getChildNodes();
                    for (int i = 0; i < children.getLength(); i++) {
                        final Node child = children.item(i);
                        if (child.getNodeType() == Node.ELEMENT_NODE && child.getNamespaceURI().equals(Namespaces.EXIST_NS)) {
                            if (Text.xmlKey().equals(child.getLocalName())) {
                                final StringBuilder buf = new StringBuilder();
                                Node next = child.getFirstChild();
                                while (next != null) {
                                    if (next.getNodeType() == Node.TEXT_NODE || next.getNodeType() == Node.CDATA_SECTION_NODE) {
                                        buf.append(next.getNodeValue());
                                    }
                                    next = next.getNextSibling();
                                }
                                query = buf.toString();
                            } else if (Variables.xmlKey().equals(child.getLocalName())) {
                                variables = (ElementImpl) child;
                            } else if (Properties.xmlKey().equals(child.getLocalName())) {
                                Node node = child.getFirstChild();
                                while (node != null) {
                                    if (node.getNodeType() == Node.ELEMENT_NODE && node.getNamespaceURI().equals(Namespaces.EXIST_NS) && Property.xmlKey().equals(node.getLocalName())) {
                                        final Element property = (Element) node;
                                        final String key = property.getAttribute("name");
                                        final String value = property.getAttribute("value");
                                        LOG.debug("{} = {}", key, value);
                                        if (key != null && value != null) {
                                            outputProperties.setProperty(key, value);
                                        }
                                    }
                                    node = node.getNextSibling();
                                }
                            }
                        }
                    }
                }
                // execute query
                if (query != null) {
                    try {
                        search(broker, transaction, query, path, nsExtractor.getNamespaces(), variables, howmany, start, typed, outputProperties, enclose, cache, request, response);
                    } catch (final XPathException e) {
                        if (MimeType.XML_TYPE.getName().equals(mimeType)) {
                            writeXPathException(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                        } else {
                            writeXPathExceptionHtml(response, HttpServletResponse.SC_BAD_REQUEST, encoding, null, path, e);
                        }
                    }
                } else {
                    throw new BadRequestException("No query specified");
                }
            } else if (rootNS != null && rootNS.equals(XUpdateProcessor.XUPDATE_NS)) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got xupdate request: {}", content);
                }
                if (xupdateSubmission == EXistServlet.FeatureEnabled.FALSE) {
                    response.setStatus(HttpServletResponse.SC_FORBIDDEN);
                    return;
                } else if (xupdateSubmission == EXistServlet.FeatureEnabled.AUTHENTICATED_USERS_ONLY) {
                    final Subject currentSubject = broker.getCurrentSubject();
                    if (!currentSubject.isAuthenticated() || currentSubject.getId() == RealmImpl.GUEST_GROUP_ID) {
                        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
                        return;
                    }
                }
                final MutableDocumentSet docs = new DefaultDocumentSet();
                final boolean isCollection;
                try (final Collection collection = broker.openCollection(pathUri, LockMode.READ_LOCK)) {
                    if (collection != null) {
                        isCollection = true;
                        collection.allDocs(broker, docs, true);
                    } else {
                        isCollection = false;
                    }
                }
                if (!isCollection) {
                    final DocumentImpl xupdateDoc = broker.getResource(pathUri, Permission.READ);
                    if (xupdateDoc != null) {
                        docs.add(xupdateDoc);
                    } else {
                        broker.getAllXMLResources(docs);
                    }
                }
                final XUpdateProcessor processor = new XUpdateProcessor(broker, docs);
                long mods = 0;
                try (final Reader reader = new StringReader(content)) {
                    final Modification[] modifications = processor.parse(new InputSource(reader));
                    for (Modification modification : modifications) {
                        mods += modification.process(transaction);
                        broker.flush();
                    }
                }
                // FD : Returns an XML doc
                writeXUpdateResult(response, encoding, mods);
            // END FD
            } else {
                throw new BadRequestException("Unknown XML root element: " + root.getNodeName());
            }
        } catch (final SAXException e) {
            Exception cause = e;
            if (e.getException() != null) {
                cause = e.getException();
            }
            LOG.debug("SAX exception while parsing request: {}", cause.getMessage(), cause);
            throw new BadRequestException("SAX exception while parsing request: " + cause.getMessage());
        } catch (final ParserConfigurationException e) {
            throw new BadRequestException("Parser exception while parsing request: " + e.getMessage());
        } catch (final XPathException e) {
            throw new BadRequestException("Query exception while parsing request: " + e.getMessage());
        } catch (final IOException e) {
            throw new BadRequestException("IO exception while parsing request: " + e.getMessage());
        } catch (final EXistException e) {
            throw new BadRequestException(e.getMessage());
        } catch (final LockException e) {
            throw new PermissionDeniedException(e.getMessage());
        }
    // content type = application/x-www-form-urlencoded
    } else {
        doGet(broker, transaction, request, response, path);
    }
}

Example 10 with EXistException

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

the class ElementImpl method getChildren.

private void getChildren(final boolean includeAttributes, final org.exist.dom.NodeListImpl childList) {
    try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker()) {
        final int thisLevel = nodeId.getTreeLevel();
        final int childLevel = thisLevel + 1;
        for (final IEmbeddedXMLStreamReader reader = broker.getXMLStreamReader(this, includeAttributes); reader.hasNext(); ) {
            final int status = reader.next();
            final NodeId otherId = (NodeId) reader.getProperty(ExtendedXMLStreamReader.PROPERTY_NODE_ID);
            final int otherLevel = otherId.getTreeLevel();
            // skip descendants
            if (otherLevel > childLevel) {
                continue;
            }
            if (status == XMLStreamConstants.END_ELEMENT) {
                if (otherLevel == thisLevel) {
                    // exit-for
                    break;
                }
            // skip over any other END_ELEMENT(s)
            } else {
                if (otherLevel == childLevel) {
                    // child
                    childList.add(reader.getNode());
                }
            }
        }
    } catch (final IOException | XMLStreamException | EXistException e) {
        LOG.warn("Internal error while reading child nodes: {}", e.getMessage(), e);
    }
}