Examples with ISyntaxChecker org.ovirt.engine.core.searchbackend.ISyntaxChecker used on opensource projects

Example 1 with ISyntaxChecker

use of org.ovirt.engine.core.searchbackend.ISyntaxChecker in project ovirt-engine by oVirt.

the class SearchSuggestModel method updateOptionsAsync.

public void updateOptionsAsync(String search) {
    getItems().clear();
    ISyntaxChecker syntaxChecker = getConfigurator().getSyntaxChecker();
    if (syntaxChecker == null) {
        return;
    }
    SyntaxContainer syntax = syntaxChecker.getCompletion(search);
    int lastHandledIndex = syntax.getLastHandledIndex();
    String pf = search.substring(0, lastHandledIndex);
    String notHandled = search.substring(lastHandledIndex);
    String[] suggestedItems = syntax.getCompletionArray();
    // Ensure that filtered search objects will invalidate the whole search query
    if (getSearchObjectFilter() != null && syntax.getState() != SyntaxObjectType.BEGIN) {
        for (String value : getSearchObjectFilter()) {
            if (pf.toLowerCase().equals(value.toLowerCase()) || pf.toLowerCase().startsWith(value.toLowerCase() + ":") || containsWithItemsToIgnore(pf)) {
                // $NON-NLS-1$
                // $NON-NLS-1$
                addSuggestItem("", SuggestItemPartType.Valid, search, SuggestItemPartType.Erroneous);
                return;
            }
        }
    }
    if (syntax.getError() == SyntaxError.NO_ERROR) {
        List<String> actualItems = new ArrayList<>(Arrays.asList(suggestedItems));
        // Filter search object suggestions
        if (getSearchObjectFilter() != null && syntax.getState() == SyntaxObjectType.BEGIN) {
            for (String value : getSearchObjectFilter()) {
                for (String item : suggestedItems) {
                    if (item.toLowerCase().equals(value.toLowerCase())) {
                        actualItems.remove(item);
                    }
                }
            }
            // Ensure that empty search suggestion list invalidates the search query
            if (actualItems.isEmpty()) {
                // $NON-NLS-1$
                addSuggestItem("", SuggestItemPartType.Valid, search, SuggestItemPartType.Erroneous);
                return;
            }
        }
        for (String item : actualItems) {
            // Apply filter
            if (getFilter() != null) {
                boolean skipItem = false;
                for (String value : getFilter()) {
                    if (Objects.equals(value.toLowerCase(), item.toLowerCase())) {
                        skipItem = true;
                        break;
                    }
                }
                if (skipItem) {
                    continue;
                }
            }
            // $NON-NLS-1$
            String space = "";
            if (// $NON-NLS-1$
            (pf.length() > 0) && !pf.substring(pf.length() - 1, pf.length() - 1 + 1).equals(".") && !".".equals(item)) {
                // $NON-NLS-1$
                space = StringConstants.SPACE;
            }
            // Patch: monitor-desktop
            if (!inItemsToIgnore(item)) {
                addSuggestItem(StringHelper.trimEnd(pf), SuggestItemPartType.Valid, space + item.trim(), SuggestItemPartType.New);
            }
        }
    } else {
        addSuggestItem(pf, SuggestItemPartType.Valid, notHandled, SuggestItemPartType.Erroneous);
    }
}

Example 2 with ISyntaxChecker

use of org.ovirt.engine.core.searchbackend.ISyntaxChecker in project ovirt-engine by oVirt.

the class SearchableListModel method isSearchValidForServerSideSorting.

/**
 * Returns {@code true} if this model's {@linkplain #getSearchString search string}
 * allows the use of server-side sorting.
 * <p>
 * This method returns {@code false} if:
 * <ul>
 * <li>search string contains syntax error(s)
 * <li>search string contains {@code SORTBY} syntax object
 * </ul>
 * Otherwise, this method returns {@code true}.
 */
public boolean isSearchValidForServerSideSorting() {
    ISyntaxChecker syntaxChecker = getConfigurator().getSyntaxChecker();
    if (syntaxChecker == null) {
        return true;
    }
    String search = getSearchString();
    SyntaxContainer syntaxResult = syntaxChecker.analyzeSyntaxState(search, true);
    if (syntaxResult.getError() != SyntaxError.NO_ERROR) {
        return false;
    }
    for (SyntaxObject syntaxObject : syntaxResult) {
        if (syntaxObject.getType() == SyntaxObjectType.SORTBY) {
            return false;
        }
    }
    return true;
}

Example 3 with ISyntaxChecker

use of org.ovirt.engine.core.searchbackend.ISyntaxChecker in project ovirt-engine by oVirt.

the class SearchQuery method initQueryData.

private QueryData initQueryData(boolean useCache) {
    final String ASTR = "*";
    QueryData data = null;
    boolean isExistsValue = false;
    boolean IsFromYesterday = false;
    boolean isSafe = false;
    String searchKey = "";
    try {
        if (getParameters().getMaxCount() < 0) {
            throw new RuntimeException(String.format("Illegal max count value for query : %s", getParameters().getMaxCount()));
        }
        String searchText = getParameters().getSearchPattern();
        // do not cache expressions with '*' since it is translated to specific IDs that might be changed
        useCache = useCache && !searchText.contains(ASTR);
        if (useCache) {
            // first lets check the cache of queries.
            searchKey = String.format("%1$s,%2$s,%3$s", searchText, getParameters().getMaxCount(), getParameters().getCaseSensitive());
            data = queriesCache.get(searchKey);
            isExistsValue = data != null;
            if (isExistsValue) {
                TimeSpan span = DateTime.getNow().subtract(new Date(data.getDate()));
                if (span.Days >= 1) {
                    IsFromYesterday = true;
                }
            }
        }
        // search text.
        if (!isExistsValue || IsFromYesterday) {
            log.debug("ResourceManager::searchBusinessObjects(''{}'') - entered", searchText);
            final char AT = '@';
            String queryAuthz = null;
            String queryNamespace = null;
            ISyntaxChecker curSyntaxChecker;
            Matcher m = adSearchPattern.matcher(searchText);
            // checks if this is a AD query, if it is, verify given profile and namespace and pass the query
            if (m.matches()) {
                final String COLON = ":";
                String prefix = m.group("prefix");
                searchText = m.group("content");
                // get profile
                List<String> profiles = backend.runInternalQuery(QueryType.GetDomainList, new QueryParametersBase(getParameters().getSessionId())).getReturnValue();
                for (String profile : profiles) {
                    if (searchText.startsWith(profile + COLON)) {
                        queryAuthz = profile;
                        searchText = searchText.replaceFirst(profile + COLON, StringUtils.EMPTY);
                        break;
                    }
                }
                if (queryAuthz == null) {
                    queryAuthz = getDefaultAuthz();
                }
                // get namespace
                Map<String, List<String>> namespacesMap = backend.runInternalQuery(QueryType.GetAvailableNamespaces, new QueryParametersBase(getParameters().getSessionId())).getReturnValue();
                List<String> namespaces = namespacesMap.get(queryAuthz);
                for (String namespace : namespaces) {
                    if (searchText.startsWith(namespace + COLON)) {
                        queryNamespace = namespace;
                        searchText = searchText.replace(namespace + COLON, StringUtils.EMPTY);
                        break;
                    }
                }
                // ADUSER/ADGROUP<profile>::<query>
                if (searchText.startsWith(COLON)) {
                    searchText = prefix + searchText;
                } else {
                    searchText = prefix + COLON + searchText;
                }
                curSyntaxChecker = SyntaxCheckerFactory.createADSyntaxChecker(LDAP);
            } else {
                curSyntaxChecker = SyntaxCheckerFactory.createBackendSyntaxChecker(LDAP);
            }
            SyntaxContainer searchObj = curSyntaxChecker.analyzeSyntaxState(searchText, true);
            // set the case-sensitive flag
            searchObj.setCaseSensitive(getParameters().getCaseSensitive());
            // If a number > maxValue is given then maxValue will be used
            searchObj.setMaxCount(Math.min(Integer.MAX_VALUE, getParameters().getMaxCount()));
            // setting FromSearch value
            searchObj.setSearchFrom(getParameters().getSearchFrom());
            if (searchObj.getError() != SyntaxError.NO_ERROR) {
                int startPos = searchObj.getErrorStartPos();
                int endPos = searchObj.getErrorEndPos();
                int length = endPos - startPos;
                String error = (length > 0 && ((startPos + 1 + length) < searchText.length()) && (endPos + 1 < searchText.length())) ? searchText.substring(0, startPos) + "$" + searchText.substring(startPos + 1, startPos + 1 + length) + "$" + searchText.substring(endPos + 1) : searchObj.getError().toString();
                getQueryReturnValue().setExceptionString(error);
                log.info("ResourceManager::searchBusinessObjects - erroneous search text - ''{}'' error - ''{}''", searchText, error);
                return null;
            }
            if (!searchObj.getvalid()) {
                log.warn("ResourceManager::searchBusinessObjects - Invalid search text - ''{}''", searchText);
                return null;
            }
            // find if this is a trivial search expression (like 'Vms:' etc).
            isSafe = SearchObjects.isSafeExpression(searchText);
            // An expression is considered safe if matches a trivial search.
            data = new QueryData(curSyntaxChecker.generateQueryFromSyntaxContainer(searchObj, isSafe), DateTime.getNow().getTime(), queryAuthz, queryNamespace);
            // query from scratch.
            if (!containsStaticInValues(data.getQuery())) {
                queriesCache.put(searchKey, data);
            }
        }
    } catch (SearchEngineIllegalCharacterException e) {
        log.error("Search expression can not end with ESCAPE character: {}", getParameters().getSearchPattern());
        data = null;
    } catch (SqlInjectionException e) {
        log.error("Sql Injection in search: {}", getParameters().getSearchPattern());
        data = null;
    } catch (RuntimeException ex) {
        log.warn("Illegal search: {}: {}", getParameters().getSearchPattern(), ex.getMessage());
        log.debug("Exception", ex);
        throw ex;
    }
    return data;
}