Examples with CompiledXQuery org.exist.xquery.CompiledXQuery used on opensource projects

Example 11 with CompiledXQuery

use of org.exist.xquery.CompiledXQuery in project exist by eXist-db.

the class IPRangeRealm method authenticate.

@Override
public Subject authenticate(final String ipAddress, final Object credentials) throws AuthenticationException {
    // Elevaste to system privileges
    try (final DBBroker broker = getSecurityManager().database().get(Optional.of(getSecurityManager().getSystemSubject()))) {
        // Convert IP address
        final long ipToTest = ipToLong(InetAddress.getByName(ipAddress));
        // Get xquery service
        final XQuery queryService = broker.getBrokerPool().getXQueryService();
        if (queryService == null) {
            LOG.error("IPRange broker unable to retrieve XQueryService");
            return null;
        }
        // Construct XQuery
        final String query = "collection('/db/system/security/iprange/accounts')/account/" + "iprange[" + ipToTest + " ge number(start) and " + ipToTest + " le number(end)]/../name";
        final XQueryContext context = new XQueryContext(broker.getBrokerPool());
        final CompiledXQuery compiled = queryService.compile(context, query);
        final Properties outputProperties = new Properties();
        // Execute xQuery
        final Sequence result = queryService.execute(broker, compiled, null, outputProperties);
        final SequenceIterator i = result.iterate();
        // Get FIRST username when present
        final String username = i.hasNext() ? i.nextItem().getStringValue() : "";
        if (i.hasNext()) {
            LOG.warn("IP address {} matched multiple ipranges. Using first result only.", ipAddress);
        }
        if (!username.isEmpty()) {
            final Account account = getSecurityManager().getAccount(username);
            if (account != null) {
                LOG.info("IPRangeRealm trying {}", account.getName());
                return new SubjectAccreditedImpl((AbstractAccount) account, ipAddress);
            } else {
                LOG.info("IPRangeRealm couldn't resolve account for {}", username);
            }
        } else {
            LOG.info("IPRangeRealm xquery found no matches");
        }
        return null;
    } catch (final EXistException | UnknownHostException | XPathException | PermissionDeniedException e) {
        throw new AuthenticationException(AuthenticationException.UNNOWN_EXCEPTION, e.getMessage());
    }
}

Example 12 with CompiledXQuery

use of org.exist.xquery.CompiledXQuery in project exist by eXist-db.

the class RedirectorServlet method executeQuery.

private Sequence executeQuery(final Source source, final RequestWrapper request, final ResponseWrapper response) throws EXistException, XPathException, PermissionDeniedException, IOException {
    final XQuery xquery = getPool().getXQueryService();
    final XQueryPool pool = getPool().getXQueryPool();
    try (final DBBroker broker = getPool().getBroker()) {
        final XQueryContext context;
        CompiledXQuery compiled = pool.borrowCompiledXQuery(broker, source);
        if (compiled == null) {
            // special header to indicate that the query is not returned from
            // cache
            response.setHeader("X-XQuery-Cached", "false");
            context = new XQueryContext(getPool());
            context.setModuleLoadPath(XmldbURI.EMBEDDED_SERVER_URI.toString());
            compiled = xquery.compile(context, source);
        } else {
            response.setHeader("X-XQuery-Cached", "true");
            context = compiled.getContext();
            context.prepareForReuse();
        }
        try {
            return xquery.execute(broker, compiled, null, new Properties());
        } finally {
            context.runCleanupTasks();
            pool.returnCompiledXQuery(source, compiled);
        }
    }
}

Example 13 with CompiledXQuery

use of org.exist.xquery.CompiledXQuery in project exist by eXist-db.

the class SanityReport method ping.

@Override
public long ping(boolean checkQueryEngine) {
    final long start = System.currentTimeMillis();
    lastPingRespTime = -1;
    lastActionInfo = "Ping";
    taskstatus.setStatus(TaskStatus.Status.PING_WAIT);
    // this will block forever.
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getGuestSubject()))) {
        if (checkQueryEngine) {
            final XQuery xquery = pool.getXQueryService();
            final XQueryPool xqPool = pool.getXQueryPool();
            CompiledXQuery compiled = xqPool.borrowCompiledXQuery(broker, TEST_XQUERY);
            if (compiled == null) {
                final XQueryContext context = new XQueryContext(pool);
                compiled = xquery.compile(context, TEST_XQUERY);
            } else {
                compiled.getContext().prepareForReuse();
            }
            try {
                xquery.execute(broker, compiled, null);
            } finally {
                compiled.getContext().runCleanupTasks();
                xqPool.returnCompiledXQuery(TEST_XQUERY, compiled);
            }
        }
    } catch (final Exception e) {
        lastPingRespTime = -2;
        taskstatus.setStatus(TaskStatus.Status.PING_ERROR);
        taskstatus.setStatusChangeTime();
        taskstatus.setReason(e.getMessage());
        changeStatus(taskstatus);
    } finally {
        lastPingRespTime = System.currentTimeMillis() - start;
        taskstatus.setStatus(TaskStatus.Status.PING_OK);
        taskstatus.setStatusChangeTime();
        taskstatus.setReason("ping response time: " + lastPingRespTime);
        changeStatus(taskstatus);
    }
    return lastPingRespTime;
}

Example 14 with CompiledXQuery

use of org.exist.xquery.CompiledXQuery in project exist by eXist-db.

the class AbstractTestRunner method executeQuery.

protected static Sequence executeQuery(final BrokerPool brokerPool, final Source query, final List<Function<XQueryContext, Tuple2<String, Object>>> externalVariableBindings) throws EXistException, PermissionDeniedException, XPathException, IOException, DatabaseConfigurationException {
    final SecurityManager securityManager = requireNonNull(brokerPool.getSecurityManager(), "securityManager is null");
    try (final DBBroker broker = brokerPool.get(Optional.of(securityManager.getSystemSubject()))) {
        final XQueryPool queryPool = brokerPool.getXQueryPool();
        CompiledXQuery compiledQuery = queryPool.borrowCompiledXQuery(broker, query);
        try {
            XQueryContext context;
            if (compiledQuery == null) {
                context = new XQueryContext(broker.getBrokerPool());
            } else {
                context = compiledQuery.getContext();
                context.prepareForReuse();
            }
            // setup misc. context
            context.setBaseURI(new AnyURIValue("/db"));
            if (query instanceof FileSource) {
                final Path queryPath = Paths.get(((FileSource) query).getPath().toAbsolutePath().toString());
                if (Files.isDirectory(queryPath)) {
                    context.setModuleLoadPath(queryPath.toString());
                } else {
                    context.setModuleLoadPath(queryPath.getParent().toString());
                }
            }
            // declare variables for the query
            for (final Function<XQueryContext, Tuple2<String, Object>> externalVariableBinding : externalVariableBindings) {
                final Tuple2<String, Object> nameValue = externalVariableBinding.apply(context);
                context.declareVariable(nameValue._1, nameValue._2);
            }
            final XQuery xqueryService = brokerPool.getXQueryService();
            // compile or update the context
            if (compiledQuery == null) {
                compiledQuery = xqueryService.compile(context, query);
            } else {
                compiledQuery.getContext().updateContext(context);
                context.getWatchDog().reset();
            }
            return xqueryService.execute(broker, compiledQuery, null);
        } finally {
            queryPool.returnCompiledXQuery(query, compiledQuery);
        }
    }
}

Example 15 with CompiledXQuery

use of org.exist.xquery.CompiledXQuery in project exist by eXist-db.

the class DebuggeeJointImpl method evalution.

@Override
public String evalution(String script) throws Exception {
    Database db = compiledXQuery.getContext().getDatabase();
    // TODO: account required
    try (final DBBroker broker = db.getBroker()) {
        XQueryContext context = compiledXQuery.getContext().copyContext();
        context.setDebuggeeJoint(null);
        context.undeclareGlobalVariable(Debuggee.SESSION);
        context.undeclareGlobalVariable(Debuggee.IDEKEY);
        XQuery service = broker.getBrokerPool().getXQueryService();
        CompiledXQuery compiled = service.compile(broker, context, script);
        Sequence resultSequence = service.execute(broker, compiled, null);
        SAXSerializer sax = null;
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            sax = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
            Properties outputProps = new Properties();
            StringWriter writer = new StringWriter();
            sax.setOutput(writer, outputProps);
            serializer.setSAXHandlers(sax, sax);
            for (SequenceIterator i = resultSequence.iterate(); i.hasNext(); ) {
                Item next = i.nextItem();
                if (Type.subTypeOf(next.getType(), Type.NODE))
                    serializer.toSAX((NodeValue) next);
                else
                    writer.write(next.getStringValue());
            }
            return writer.toString();
        } finally {
            if (sax != null) {
                SerializerPool.getInstance().returnObject(sax);
            }
        }
    }
}