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

Example 91 with XPathException

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

the class GetRunningJobs method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (!context.getSubject().hasDbaRole()) {
        throw (new XPathException(this, "Permission denied, calling user '" + context.getSubject().getName() + "' must be a DBA to get the list of running jobs"));
    }
    context.pushDocumentContext();
    try {
        final MemTreeBuilder builder = context.getDocumentBuilder();
        builder.startDocument();
        builder.startElement(new QName("jobs", NAMESPACE_URI, PREFIX), null);
        final BrokerPool brokerPool = context.getBroker().getBrokerPool();
        final ProcessMonitor monitor = brokerPool.getProcessMonitor();
        final ProcessMonitor.JobInfo[] jobs = monitor.runningJobs();
        for (ProcessMonitor.JobInfo job : jobs) {
            final Thread process = job.getThread();
            final Date startDate = new Date(job.getStartTime());
            builder.startElement(new QName("job", NAMESPACE_URI, PREFIX), null);
            builder.addAttribute(new QName("id", null, null), process.getName());
            builder.addAttribute(new QName("action", null, null), job.getAction());
            builder.addAttribute(new QName("start", null, null), new DateTimeValue(startDate).getStringValue());
            builder.addAttribute(new QName("info", null, null), job.getAddInfo().toString());
            builder.endElement();
        }
        builder.endElement();
        builder.endDocument();
        return (NodeValue) builder.getDocument().getDocumentElement();
    } finally {
        context.popDocumentContext();
    }
}

Example 92 with XPathException

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

the class AccountStatusFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    final DBBroker broker = getContext().getBroker();
    final Subject currentUser = broker.getCurrentSubject();
    final SecurityManager securityManager = broker.getBrokerPool().getSecurityManager();
    final String username = args[0].getStringValue();
    if (isCalledAs(qnIsAccountEnabled.getLocalPart())) {
        if (!currentUser.hasDbaRole() && !currentUser.getName().equals(username)) {
            throw new XPathException("You must be a DBA or be enquiring about your own account!");
        }
        final Account account = securityManager.getAccount(username);
        return (account == null) ? BooleanValue.FALSE : new BooleanValue(account.isEnabled());
    } else if (isCalledAs(qnSetAccountEnabled.getLocalPart())) {
        if (!currentUser.hasDbaRole()) {
            throw new XPathException("You must be a DBA to change the status of an account!");
        }
        final boolean enable = args[1].effectiveBooleanValue();
        final Account account = securityManager.getAccount(username);
        account.setEnabled(enable);
        try {
            account.save(broker);
            return Sequence.EMPTY_SEQUENCE;
        } catch (final ConfigurationException | PermissionDeniedException ce) {
            throw new XPathException(ce.getMessage(), ce);
        }
    } else {
        throw new XPathException("Unknown function");
    }
}

Example 93 with XPathException

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

the class DocUtils method getDocumentByPathFromDB.

private static Sequence getDocumentByPathFromDB(final XQueryContext context, final String path) throws XPathException, PermissionDeniedException {
    // check if the loaded documents should remain locked
    final LockMode lockType = context.lockDocumentsOnLoad() ? LockMode.WRITE_LOCK : LockMode.READ_LOCK;
    try {
        final XmldbURI baseURI = context.getBaseURI().toXmldbURI();
        final XmldbURI pathUri;
        if (baseURI != null && !(baseURI.equals("") || baseURI.equals("/db"))) {
            // relative collection Path: add the current base URI
            pathUri = baseURI.resolveCollectionPath(XmldbURI.xmldbUriFor(path, false));
        } else {
            pathUri = XmldbURI.xmldbUriFor(path, false);
        }
        // relative collection Path: add the current module call URI if applicable
        final XmldbURI resourceUri = Optional.ofNullable(context.getModuleLoadPath()).filter(moduleLoadPath -> !moduleLoadPath.isEmpty()).flatMap(moduleLoadPath -> Try(() -> XmldbURI.xmldbUriFor(moduleLoadPath)).toOption()).map(moduleLoadPath -> moduleLoadPath.resolveCollectionPath(pathUri)).orElse(pathUri);
        // try to open the document and acquire a lock
        try (final LockedDocument lockedDoc = context.getBroker().getXMLResource(resourceUri, lockType)) {
            if (lockedDoc == null) {
                return Sequence.EMPTY_SEQUENCE;
            } else {
                final DocumentImpl doc = lockedDoc.getDocument();
                if (!doc.getPermissions().validate(context.getSubject(), Permission.READ)) {
                    throw new PermissionDeniedException("Insufficient privileges to read resource " + path);
                }
                if (doc.getResourceType() == DocumentImpl.BINARY_FILE) {
                    throw new XPathException("Document " + path + " is a binary resource, not an XML document. Please consider using the function util:binary-doc() to retrieve a reference to it.");
                }
                return new NodeProxy(doc);
            }
        }
    } catch (final URISyntaxException e) {
        throw new XPathException(e);
    }
}

Example 94 with XPathException

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

the class DocUtils method getFromDynamicallyAvailableDocuments.

@Nullable
private static Sequence getFromDynamicallyAvailableDocuments(final XQueryContext context, final String path) throws XPathException {
    try {
        URI uri = new URI(path);
        if (!uri.isAbsolute()) {
            final AnyURIValue baseXdmUri = context.getBaseURI();
            if (baseXdmUri != null && !baseXdmUri.equals(AnyURIValue.EMPTY_URI)) {
                URI baseUri = baseXdmUri.toURI();
                if (!baseUri.toString().endsWith("/")) {
                    baseUri = new URI(baseUri.toString() + '/');
                }
                uri = baseUri.resolve(uri);
            }
        }
        return context.getDynamicallyAvailableDocument(uri.toString());
    } catch (final URISyntaxException e) {
        throw new XPathException(context.getRootExpression(), ErrorCodes.FODC0005, e);
    }
}

Example 95 with XPathException

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

the class Insert method eval.

/* (non-Javadoc)
     * @see org.exist.xquery.AbstractExpression#eval(org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
     */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    Sequence contentSeq = value.eval(contextSequence);
    if (contentSeq.isEmpty()) {
        throw new XPathException(this, Messages.getMessage(Error.UPDATE_EMPTY_CONTENT));
    }
    final Sequence inSeq = select.eval(contextSequence);
    /* If we try and Insert a node at an invalid location,
         * trap the error in a context variable,
         * this is then accessible from xquery via. the context extension module - deliriumsky
         * TODO: This trapping could be expanded further - basically where XPathException is thrown from thiss class
         * TODO: Maybe we could provide more detailed messages in the trap, e.g. couldnt insert node `xyz` into `abc` becuase... this would be nicer for the end user of the xquery application 
         */
    if (!Type.subTypeOf(inSeq.getItemType(), Type.NODE)) {
        // Indicate the failure to perform this update by adding it to the sequence in the context variable XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR
        ValueSequence prevUpdateErrors = null;
        final XPathException xpe = new XPathException(this, Messages.getMessage(Error.UPDATE_SELECT_TYPE));
        final Object ctxVarObj = context.getAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR);
        if (ctxVarObj == null) {
            prevUpdateErrors = new ValueSequence();
        } else {
            prevUpdateErrors = (ValueSequence) XPathUtil.javaObjectToXPath(ctxVarObj, context);
        }
        prevUpdateErrors.add(new StringValue(xpe.getMessage()));
        context.setAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR, prevUpdateErrors);
        if (!inSeq.isEmpty()) {
            // TODO: should we trap this instead of throwing an exception - deliriumsky?
            throw xpe;
        }
    }
    if (!inSeq.isEmpty()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Found: {} nodes", inSeq.getItemCount());
        }
        context.pushInScopeNamespaces();
        contentSeq = deepCopy(contentSeq);
        // start a transaction
        try (final Txn transaction = getTransaction()) {
            final StoredNode[] ql = selectAndLock(transaction, inSeq);
            final NotificationService notifier = context.getBroker().getBrokerPool().getNotificationService();
            final NodeList contentList = seq2nodeList(contentSeq);
            for (final StoredNode node : ql) {
                final DocumentImpl doc = node.getOwnerDocument();
                if (!doc.getPermissions().validate(context.getSubject(), Permission.WRITE)) {
                    throw new PermissionDeniedException("User '" + context.getSubject().getName() + "' does not have permission to write to the document '" + doc.getDocumentURI() + "'!");
                }
                // update the document
                if (mode == INSERT_APPEND) {
                    node.appendChildren(transaction, contentList, -1);
                } else {
                    final NodeImpl parent = (NodeImpl) getParent(node);
                    switch(mode) {
                        case INSERT_BEFORE:
                            parent.insertBefore(transaction, contentList, node);
                            break;
                        case INSERT_AFTER:
                            parent.insertAfter(transaction, contentList, node);
                            break;
                    }
                }
                doc.setLastModified(System.currentTimeMillis());
                modifiedDocuments.add(doc);
                context.getBroker().storeXMLResource(transaction, doc);
                notifier.notifyUpdate(doc, UpdateListener.UPDATE);
            }
            finishTriggers(transaction);
            // commit the transaction
            transaction.commit();
        } catch (final PermissionDeniedException | EXistException | LockException | TriggerException e) {
            throw new XPathException(this, e.getMessage(), e);
        } finally {
            unlockDocuments();
            context.popInScopeNamespaces();
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", Sequence.EMPTY_SEQUENCE);
    }
    return Sequence.EMPTY_SEQUENCE;
}