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

Example 86 with XPathException

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

the class CallFunction method eval.

/* (non-Javadoc)
     * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
     */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    final Sequence arg0 = getArgument(0).eval(contextSequence, contextItem);
    if (arg0.getCardinality() != Cardinality.EXACTLY_ONE) {
        throw new XPathException(this, "Expected exactly one item for first argument");
    }
    final Item item0 = arg0.itemAt(0);
    if (item0.getType() != Type.FUNCTION_REFERENCE) {
        throw new XPathException(this, "Type error: expected function, got " + Type.getTypeName(item0.getType()));
    }
    try (final FunctionReference ref = (FunctionReference) item0) {
        // pass the remaining parameters to the function call
        final List<Expression> params = new ArrayList<>(getArgumentCount() - 1);
        for (int i = 1; i < getArgumentCount(); i++) {
            params.add(getArgument(i));
        }
        ref.setArguments(params);
        ref.analyze(new AnalyzeContextInfo(this, 0));
        // Evaluate the function
        return ref.eval(contextSequence);
    }
}

Example 87 with XPathException

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

the class PermissionsFunction method functionModeToOctal.

private Sequence functionModeToOctal(final String modeStr) throws XPathException {
    try {
        final int mode = AbstractUnixStylePermission.simpleSymbolicModeToInt(modeStr);
        final String octal = mode == 0 ? "0" : "0" + Integer.toOctalString(mode);
        return new StringValue(octal);
    } catch (final SyntaxException se) {
        throw new XPathException(se.getMessage(), se);
    }
}

Example 88 with XPathException

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

the class FindGroupFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    final DBBroker broker = getContext().getBroker();
    final Subject currentUser = broker.getCurrentSubject();
    if (!isCalledAs(qnGetUserGroups.getLocalPart()) && currentUser.getName().equals(SecurityManager.GUEST_USER)) {
        throw new XPathException(this, "You must be an authenticated user");
    }
    final SecurityManager securityManager = broker.getBrokerPool().getSecurityManager();
    final Sequence result;
    if (isCalledAs(qnGetUserPrimaryGroup.getLocalPart())) {
        final String username = args[0].getStringValue();
        result = new StringValue(securityManager.getAccount(username).getPrimaryGroup());
    } else if (isCalledAs(qnGroupExists.getLocalPart())) {
        final String groupName = args[0].getStringValue();
        result = BooleanValue.valueOf(securityManager.hasGroup(groupName));
    } else {
        final List<String> groupNames;
        if (isCalledAs(qnListGroups.getLocalPart())) {
            groupNames = securityManager.findAllGroupNames();
        } else if (isCalledAs(qnFindGroupsByGroupname.getLocalPart())) {
            final String startsWith = args[0].getStringValue();
            groupNames = securityManager.findGroupnamesWhereGroupnameStarts(startsWith);
        } else if (isCalledAs(qnFindGroupsWhereGroupnameContains.getLocalPart())) {
            final String fragment = args[0].getStringValue();
            groupNames = securityManager.findGroupnamesWhereGroupnameContains(fragment);
        } else if (isCalledAs(qnGetUserGroups.getLocalPart())) {
            final String username = args[0].getStringValue();
            if (!currentUser.hasDbaRole() && !currentUser.getName().equals(username)) {
                throw new XPathException(this, "You must be a DBA or enquiring about your own user account!");
            }
            final Account user = securityManager.getAccount(username);
            groupNames = Arrays.asList(user.getGroups());
        } else {
            throw new XPathException(this, "Unknown function");
        }
        // order a-z
        Collections.sort(groupNames);
        result = new ValueSequence();
        for (final String groupName : groupNames) {
            result.add(new StringValue(groupName));
        }
    }
    return result;
}

Example 89 with XPathException

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

the class GetPrincipalMetadataFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    Sequence result = Sequence.EMPTY_SEQUENCE;
    final DBBroker broker = getContext().getBroker();
    final Subject currentUser = broker.getCurrentSubject();
    if (args.length == 0) {
        if (isCalledAs(qnGetAccountMetadataKeys.getLocalPart())) {
            result = getAllAccountMetadataKeys();
        } else if (isCalledAs(qnGetGroupMetadataKeys.getLocalPart())) {
            result = getAllGroupMetadataKeys();
        } else {
            throw new XPathException("Unknown function");
        }
    } else {
        final SecurityManager securityManager = broker.getBrokerPool().getSecurityManager();
        final String strPrincipal = args[0].getStringValue();
        final Principal principal;
        if (isCalledAs(qnGetAccountMetadataKeys.getLocalPart()) || isCalledAs(qnGetAccountMetadata.getLocalPart())) {
            if (!currentUser.hasDbaRole() && !currentUser.getUsername().equals(strPrincipal)) {
                throw new XPathException("You must be a DBA to retrieve metadata about other users, otherwise you may only retrieve metadata about yourself.");
            }
            principal = securityManager.getAccount(strPrincipal);
        } else if (isCalledAs(qnGetGroupMetadataKeys.getLocalPart()) || isCalledAs(qnGetGroupMetadata.getLocalPart())) {
            if (!currentUser.hasDbaRole() && !currentUser.hasGroup(strPrincipal)) {
                throw new XPathException("You must be a DBA to retrieve metadata about other groups, otherwise you may only retrieve metadata about groups you are a member of.");
            }
            principal = securityManager.getGroup(strPrincipal);
        } else {
            throw new XPathException("Unknown function");
        }
        if (principal == null) {
            result = Sequence.EMPTY_SEQUENCE;
        } else {
            if (isCalledAs(qnGetAccountMetadataKeys.getLocalPart()) || isCalledAs(qnGetGroupMetadataKeys.getLocalPart())) {
                result = getPrincipalMetadataKeys(principal);
            } else if (isCalledAs(qnGetAccountMetadata.getLocalPart()) || isCalledAs(qnGetGroupMetadata.getLocalPart())) {
                final String metadataAttributeNamespace = args[1].getStringValue();
                result = getPrincipalMetadata(principal, metadataAttributeNamespace);
            } else {
                throw new XPathException("Unknown function");
            }
        }
    }
    return result;
}

Example 90 with XPathException

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

the class UMaskFunction method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    final DBBroker broker = getContext().getBroker();
    final Subject currentUser = broker.getCurrentSubject();
    if (currentUser.getName().equals(SecurityManager.GUEST_USER)) {
        throw new XPathException("You must be an authenticated user");
    }
    final String username = args[0].getStringValue();
    if (isCalledAs(qnGetUMask.getLocalPart())) {
        return getUMask(broker, username);
    } else if (isCalledAs(qnSetUMask.getLocalPart())) {
        final int umask = ((IntegerValue) args[1].itemAt(0)).getInt();
        setUMask(broker, currentUser, username, umask);
        return Sequence.EMPTY_SEQUENCE;
    } else {
        throw new XPathException("Unknown function");
    }
}