// This happens very early - check it.
static {
try {
log = LogFactory.getLog(Servlet.class);
} catch (Exception ex) {
System.err.println("Exception creating the logger");
System.err.println("Commons logging jar files in WEB-INF/lib/?");
System.err.println(ex.getMessage());
// ex.printStackTrace(System.err) ;
}
}
/** @author Javier Paniza */
public class DescriptionsListTag extends TagSupport {
private static Log log = LogFactory.getLog(DescriptionsListTag.class);
private String reference;
public int doStartTag() throws JspException {
try {
HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
ModuleContext context = (ModuleContext) request.getSession().getAttribute("context");
String viewObject = request.getParameter("viewObject");
viewObject = (viewObject == null || viewObject.equals("")) ? "xava_view" : viewObject;
View view = (View) context.get(request, viewObject);
MetaReference metaReference = view.getMetaReference(reference).cloneMetaReference();
metaReference.setName(reference);
String prefix = request.getParameter("propertyPrefix");
prefix = prefix == null ? "" : prefix;
String application = request.getParameter("application");
String module = request.getParameter("module");
String referenceKey = Ids.decorate(application, module, prefix + reference);
request.setAttribute(referenceKey, metaReference);
String editorURL =
"reference.jsp?referenceKey="
+ referenceKey
+ "&onlyEditor=true&frame=false&composite=false&descriptionsList=true";
String editorPrefix = Module.isPortlet() ? "/WEB-INF/jsp/xava/" : "/xava/";
try {
pageContext.include(editorPrefix + editorURL);
} catch (ServletException ex) {
Throwable cause = ex.getRootCause() == null ? ex : ex.getRootCause();
log.error(cause.getMessage(), cause);
pageContext.include(editorPrefix + "editors/notAvailableEditor.jsp");
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
pageContext.include(editorPrefix + "editors/notAvailableEditor.jsp");
}
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
throw new JspException(XavaResources.getString("descriptionsList_tag_error", reference));
}
return SKIP_BODY;
}
public String getReference() {
return reference;
}
public void setReference(String property) {
this.reference = property;
}
}
/**
* To generate automatically reports from list mode.
*
* <p>Uses JasperReports.
*
* @author Javier Paniza
*/
public class GenerateReportServlet extends HttpServlet {
private static Log log = LogFactory.getLog(GenerateReportServlet.class);
public static class TableModelDecorator implements TableModel {
private TableModel original;
private List metaProperties;
private boolean withValidValues = false;
private Locale locale;
private boolean labelAsHeader = false;
private HttpServletRequest request;
private boolean format =
false; // format or no the values. If format = true, all values to the report are String
private Integer columnCountLimit;
public TableModelDecorator(
HttpServletRequest request,
TableModel original,
List metaProperties,
Locale locale,
boolean labelAsHeader,
boolean format,
Integer columnCountLimit)
throws Exception {
this.request = request;
this.original = original;
this.metaProperties = metaProperties;
this.locale = locale;
this.withValidValues = calculateWithValidValues();
this.labelAsHeader = labelAsHeader;
this.format = format;
this.columnCountLimit = columnCountLimit;
}
private boolean calculateWithValidValues() {
Iterator it = metaProperties.iterator();
while (it.hasNext()) {
MetaProperty m = (MetaProperty) it.next();
if (m.hasValidValues()) return true;
}
return false;
}
private MetaProperty getMetaProperty(int i) {
return (MetaProperty) metaProperties.get(i);
}
public int getRowCount() {
return original.getRowCount();
}
public int getColumnCount() {
return columnCountLimit == null ? original.getColumnCount() : columnCountLimit;
}
public String getColumnName(int c) {
return labelAsHeader
? getMetaProperty(c).getLabel(locale)
: Strings.change(getMetaProperty(c).getQualifiedName(), ".", "_");
}
public Class getColumnClass(int c) {
return original.getColumnClass(c);
}
public boolean isCellEditable(int row, int column) {
return original.isCellEditable(row, column);
}
public Object getValueAt(int row, int column) {
if (isFormat()) return getValueWithWebEditorsFormat(row, column);
else return getValueWithoutWebEditorsFormat(row, column);
}
private Object getValueWithoutWebEditorsFormat(int row, int column) {
Object r = original.getValueAt(row, column);
if (r instanceof Boolean) {
if (((Boolean) r).booleanValue()) return XavaResources.getString(locale, "yes");
return XavaResources.getString(locale, "no");
}
if (withValidValues) {
MetaProperty p = getMetaProperty(column);
if (p.hasValidValues()) {
return p.getValidValueLabel(locale, original.getValueAt(row, column));
}
}
if (r instanceof java.util.Date) {
MetaProperty p =
getMetaProperty(column); // In order to use the type declared by the developer
// and not the one returned by JDBC or the JPA engine
if (java.sql.Time.class.isAssignableFrom(p.getType())) {
return DateFormat.getTimeInstance(DateFormat.SHORT, locale).format(r);
}
if (java.sql.Timestamp.class.isAssignableFrom(p.getType())) {
DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
return dateFormat.format(r);
}
return DateFormat.getDateInstance(DateFormat.SHORT, locale).format(r);
}
if (r instanceof BigDecimal) {
return formatBigDecimal(r, locale);
}
return r;
}
private Object getValueWithWebEditorsFormat(int row, int column) {
Object r = original.getValueAt(row, column);
MetaProperty metaProperty = getMetaProperty(column);
String result = WebEditors.format(this.request, metaProperty, r, null, "", true);
if (isHtml(result)) { // this avoids that the report shows html content
result = WebEditors.format(this.request, metaProperty, r, null, "", false);
}
return result;
}
public void setValueAt(Object value, int row, int column) {
original.setValueAt(value, row, column);
}
public void addTableModelListener(TableModelListener l) {
original.addTableModelListener(l);
}
public void removeTableModelListener(TableModelListener l) {
original.removeTableModelListener(l);
}
private boolean isHtml(String value) {
return value.matches("<.*>");
}
public boolean isFormat() {
return format;
}
public void setFormat(boolean format) {
this.format = format;
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
Locales.setCurrent(request);
if (Users.getCurrent() == null) { // for a bug in websphere portal 5.1 with Domino LDAP
Users.setCurrent((String) request.getSession().getAttribute("xava.user"));
}
request.getParameter("application"); // for a bug in websphere 5.1
request.getParameter("module"); // for a bug in websphere 5.1
Tab tab = (Tab) request.getSession().getAttribute("xava_reportTab");
int[] selectedRowsNumber =
(int[]) request.getSession().getAttribute("xava_selectedRowsReportTab");
Map[] selectedKeys = (Map[]) request.getSession().getAttribute("xava_selectedKeysReportTab");
int[] selectedRows = getSelectedRows(selectedRowsNumber, selectedKeys, tab);
request.getSession().removeAttribute("xava_selectedRowsReportTab");
Integer columnCountLimit =
(Integer) request.getSession().getAttribute("xava_columnCountLimitReportTab");
request.getSession().removeAttribute("xava_columnCountLimitReportTab");
setDefaultSchema(request);
String user = (String) request.getSession().getAttribute("xava_user");
request.getSession().removeAttribute("xava_user");
Users.setCurrent(user);
String uri = request.getRequestURI();
if (uri.endsWith(".pdf")) {
InputStream is;
JRDataSource ds;
Map parameters = new HashMap();
synchronized (tab) {
tab.setRequest(request);
parameters.put("Title", tab.getTitle());
parameters.put("Organization", getOrganization());
parameters.put("Date", getCurrentDate());
for (String totalProperty : tab.getTotalPropertiesNames()) {
parameters.put(totalProperty + "__TOTAL__", getTotal(request, tab, totalProperty));
}
TableModel tableModel = getTableModel(request, tab, selectedRows, false, true, null);
tableModel.getValueAt(0, 0);
if (tableModel.getRowCount() == 0) {
generateNoRowsPage(response);
return;
}
is = getReport(request, response, tab, tableModel, columnCountLimit);
ds = new JRTableModelDataSource(tableModel);
}
JasperPrint jprint = JasperFillManager.fillReport(is, parameters, ds);
response.setContentType("application/pdf");
response.setHeader(
"Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".pdf\"");
JasperExportManager.exportReportToPdfStream(jprint, response.getOutputStream());
} else if (uri.endsWith(".csv")) {
String csvEncoding = XavaPreferences.getInstance().getCSVEncoding();
if (!Is.emptyString(csvEncoding)) {
response.setCharacterEncoding(csvEncoding);
}
response.setContentType("text/x-csv");
response.setHeader(
"Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".csv\"");
synchronized (tab) {
tab.setRequest(request);
response
.getWriter()
.print(
TableModels.toCSV(
getTableModel(request, tab, selectedRows, true, false, columnCountLimit)));
}
} else {
throw new ServletException(
XavaResources.getString("report_type_not_supported", "", ".pdf .csv"));
}
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
throw new ServletException(XavaResources.getString("report_error"));
} finally {
request.getSession().removeAttribute("xava_reportTab");
}
}
private void generateNoRowsPage(HttpServletResponse response) throws Exception {
response.setContentType("text/html");
response.getWriter().println("<html><head><title>");
response.getWriter().println(XavaResources.getString("no_rows_report_message_title"));
response
.getWriter()
.println(
"</title></head><body style='font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;'>");
response.getWriter().println("<h1 style='font-size:22px;'>");
response.getWriter().println(XavaResources.getString("no_rows_report_message_title"));
response.getWriter().println("</h1>");
response.getWriter().println("<p style='font-size:16px;'>");
response.getWriter().println(XavaResources.getString("no_rows_report_message_detail"));
response.getWriter().println("</p></body></html>");
}
private String getCurrentDate() {
return java.text.DateFormat.getDateInstance(DateFormat.MEDIUM, Locales.getCurrent())
.format(new java.util.Date());
}
private String getFileName(Tab tab) {
String now = new SimpleDateFormat("yyyyMMdd_HHmm").format(new Date());
return tab.getTitle() + " " + now;
}
private Object getTotal(HttpServletRequest request, Tab tab, String totalProperty) {
Object total = tab.getTotal(totalProperty);
return WebEditors.format(
request, tab.getMetaProperty(totalProperty), total, new Messages(), null, true);
}
private void setDefaultSchema(HttpServletRequest request) {
String hibernateDefaultSchemaTab =
(String) request.getSession().getAttribute("xava_hibernateDefaultSchemaTab");
if (hibernateDefaultSchemaTab != null) {
request.getSession().removeAttribute("xava_hibernateDefaultSchemaTab");
XHibernate.setDefaultSchema(hibernateDefaultSchemaTab);
}
String jpaDefaultSchemaTab =
(String) request.getSession().getAttribute("xava_jpaDefaultSchemaTab");
if (jpaDefaultSchemaTab != null) {
request.getSession().removeAttribute("xava_jpaDefaultSchemaTab");
XPersistence.setDefaultSchema(jpaDefaultSchemaTab);
}
}
protected String getOrganization() throws MissingResourceException, XavaException {
return ReportParametersProviderFactory.getInstance().getOrganization();
}
private InputStream getReport(
HttpServletRequest request,
HttpServletResponse response,
Tab tab,
TableModel tableModel,
Integer columnCountLimit)
throws ServletException, IOException {
StringBuffer suri = new StringBuffer();
suri.append("/xava/jasperReport");
suri.append("?language=");
suri.append(Locales.getCurrent().getLanguage());
suri.append("&widths=");
suri.append(Arrays.toString(getWidths(tableModel)));
if (columnCountLimit != null) {
suri.append("&columnCountLimit=");
suri.append(columnCountLimit);
}
response.setCharacterEncoding(XSystem.getEncoding());
return Servlets.getURIAsStream(request, response, suri.toString());
}
private int[] getWidths(TableModel tableModel) {
int[] widths = new int[tableModel.getColumnCount()];
for (int r = 0;
r < Math.min(tableModel.getRowCount(), 500);
r++) { // 500 is not for performance, but for using only a sample of data with huge table
for (int c = 0; c < tableModel.getColumnCount(); c++) {
Object o = tableModel.getValueAt(r, c);
if (o instanceof String) {
String s = ((String) o).trim();
if (s.length() > widths[c]) widths[c] = s.length();
}
}
}
return widths;
}
private TableModel getTableModel(
HttpServletRequest request,
Tab tab,
int[] selectedRows,
boolean labelAsHeader,
boolean format,
Integer columnCountLimit)
throws Exception {
TableModel data = null;
if (selectedRows != null && selectedRows.length > 0) {
data = new SelectedRowsXTableModel(tab.getTableModel(), selectedRows);
} else {
data = tab.getAllDataTableModel();
}
return new TableModelDecorator(
request,
data,
tab.getMetaProperties(),
Locales.getCurrent(),
labelAsHeader,
format,
columnCountLimit);
}
private static Object formatBigDecimal(Object number, Locale locale) {
NumberFormat nf = NumberFormat.getNumberInstance(locale);
nf.setMinimumFractionDigits(2);
return nf.format(number);
}
private int[] getSelectedRows(int[] selectedRowsNumber, Map[] selectedRowsKeys, Tab tab) {
if (selectedRowsKeys == null || selectedRowsKeys.length == 0) return new int[0];
// selectedRowsNumber is the most performant so we use it when possible
else if (selectedRowsNumber.length == selectedRowsKeys.length) return selectedRowsNumber;
else {
// find the rows from the selectedKeys
// This has a poor performance, but it covers the case when the selected
// rows are not loaded for the tab, something that can occurs if the user
// select rows and afterwards reorder the list.
try {
int[] s = new int[selectedRowsKeys.length];
List selectedKeys = Arrays.asList(selectedRowsKeys);
int end = tab.getTableModel().getTotalSize();
int x = 0;
for (int i = 0; i < end; i++) {
Map key = (Map) tab.getTableModel().getObjectAt(i);
if (selectedKeys.contains(key)) {
s[x] = i;
x++;
}
}
return s;
} catch (Exception ex) {
log.warn(XavaResources.getString("fails_selected"), ex);
throw new XavaException("fails_selected");
}
}
}
}
/** @author Johan Lindquist */
public class BaseController {
private Log _log = LogFactory.getLog(BaseController.class);
@Autowired protected JahSpotifyService _jahSpotifyService;
@Value(value = "${jahspotify.web.controller.default-media-expires-duration}")
private int _defaultMediaExpirationTime;
protected void writeResponse(
final HttpServletResponse httpServletResponse,
final SimpleStatusResponse simpleStatusResponse) {
Gson gson = new Gson();
try {
httpServletResponse.setContentType("application/json; charset=utf-8");
_log.debug("Serializing: " + simpleStatusResponse);
final PrintWriter writer = httpServletResponse.getWriter();
gson.toJson(simpleStatusResponse.getResponseStatus(), writer);
writer.flush();
writer.close();
} catch (Exception e) {
_log.error("Error while writing response: " + e.getMessage(), e);
}
}
protected void writeMediaNotReadable(final HttpServletResponse httpServletResponse) {
SimpleStatusResponse simpleStatusResponse = new SimpleStatusResponse();
simpleStatusResponse.setResponseStatus(ResponseStatus.RESOURCE_NOT_FOUND);
writeResponse(httpServletResponse, simpleStatusResponse);
}
protected void writeResponseGeneric(
final HttpServletResponse httpServletResponse, final Object object) {
this.writeResponseGenericWithDate(httpServletResponse, null, object);
}
protected void writeResponseGenericWithDate(
final HttpServletResponse httpServletResponse, final Date lastModified, final Object object) {
writeResponseGenericWithDate(
httpServletResponse, lastModified, _defaultMediaExpirationTime, object);
}
protected void writeResponseGenericWithDate(
final HttpServletResponse httpServletResponse,
final Date lastModified,
final int expirationTime,
final Object object) {
Gson gson = new Gson();
try {
httpServletResponse.setContentType("application/json; charset=utf-8");
if (lastModified != null) {
httpServletResponse.addHeader("Expires", createDateHeader(expirationTime));
httpServletResponse.addHeader("Last-Modified", toHttpDate(lastModified));
}
_log.debug("Serializing: " + object);
final PrintWriter writer = httpServletResponse.getWriter();
gson.toJson(object, writer);
writer.flush();
writer.close();
} catch (Exception e) {
_log.error("Error while writing response: " + e.getMessage(), e);
}
}
protected String createDateHeader(int expires) {
final Calendar utc = GregorianCalendar.getInstance(TimeZone.getTimeZone("UTC"));
utc.add(Calendar.SECOND, expires);
return toHttpDate(utc.getTime());
}
protected String toHttpDate(Date date) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss z");
return simpleDateFormat.format(date);
}
protected Link retrieveLink(final HttpServletRequest httpServletRequest) {
String uri =
httpServletRequest
.getRequestURI()
.substring(httpServletRequest.getRequestURI().lastIndexOf("/") + 1);
_log.debug("Extracted URI: " + uri);
return Link.create(uri);
}
protected <T> T readRequest(final HttpServletRequest httpServletRequest, final Class<T> classOfT)
throws IOException {
final BufferedReader br = new BufferedReader(httpServletRequest.getReader());
Gson gson = new Gson();
return gson.fromJson(br, classOfT);
}
public void writeErrorResponse(final HttpServletResponse httpServletResponse, final Exception e) {
SimpleStatusResponse simpleStatusResponse = new SimpleStatusResponse();
simpleStatusResponse.setResponseStatus(ResponseStatus.INTERNAL_ERROR);
writeResponse(httpServletResponse, simpleStatusResponse);
}
}
/**
* Created with IntelliJ IDEA. User: ciobi Date: 2013-06-15 Time: 09:56
*
* <p>
*/
public class ReaderHandler extends WebAppContext {
public static final Log LOG = LogFactory.getLog(ReaderHandler.class);
// ttt1 option that on http only redirects to https, for all paths
public static final String ACTION_LOGIN = "******";
public static final String ACTION_SIGNUP = "signup";
public static final String ACTION_CHANGE_PASSWORD = "******";
public static final String ACTION_CHANGE_SETTINGS = "change_settings";
public static final String ACTION_ADD_FEED = "add_feed";
public static final String ACTION_REMOVE_FEED = "remove_feed";
public static final String ACTION_UPDATE_FEED_LIST = "update_feed_list"; // for ordering, //ttt2
public static final String PATH_LOGIN = "******" + ACTION_LOGIN;
public static final String PATH_CHANGE_PASSWORD = "******" + ACTION_CHANGE_PASSWORD;
public static final String PATH_CHANGE_SETTINGS = "/" + ACTION_CHANGE_SETTINGS;
public static final String PATH_SIGNUP = "/" + ACTION_SIGNUP;
public static final String PATH_ADD_FEED = "/" + ACTION_ADD_FEED;
public static final String PATH_REMOVE_FEED = "/" + ACTION_REMOVE_FEED;
public static final String PATH_UPDATE_FEED_LIST = "/" + ACTION_UPDATE_FEED_LIST;
public static final String PATH_ERROR = "/error";
public static final String PATH_LOGOUT = "/logout";
public static final String PATH_SETTINGS = "/settings";
public static final String PATH_FEEDS = "/feeds";
public static final String PATH_FEED = "/feed";
public static final String PATH_ADMIN = "/admin";
public static final String PATH_FEED_ADMIN = "/feed_admin";
public static final String PATH_OPEN_ARTICLE =
"/open_article/"; // !!! it's easier to end this one with a slash
// params we use to send strings to the JSPs or to get user input in POST, via
// request.getParameter(), or both
public static final String PARAM_USER_ID = "userId";
public static final String PARAM_USER_NAME = "name";
public static final String PARAM_EMAIL = "email";
public static final String PARAM_CURRENT_PASSWORD = "******";
public static final String PARAM_PASSWORD = "******";
public static final String PARAM_PASSWORD_CONFIRM = "passwordConfirm";
public static final String PARAM_PATH = "path";
// public static final String PARAM_ERROR = "error";
public static final String PARAM_REMEMBER_ACCOUNT = "rememberAccount";
public static final String PARAM_NEW_FEED_URL = "feedUrl";
public static final String PARAM_FEED_ID = "feedId";
public static final String PARAM_ITEMS_PER_PAGE = "itemsPerPage";
public static final String PARAM_STYLE = "style";
public static final String PARAM_FEED_DATE_FORMAT = "feedDateFormat";
// variable names, used to give JSPs access to Java objects in the handler via
// request.getAttribute(()
public static final String VAR_USER = "******";
public static final String VAR_LOGIN_INFO = "loginInfo";
public static final String VAR_USER_DB = "userDb";
public static final String VAR_FEED_DB = "feedDb";
public static final String VAR_ARTICLE_DB = "articleDb";
public static final String VAR_READ_ARTICLES_COLL_DB = "readArticlesCollDb";
public static final String BROWSER_ID = "browserId";
public static final String SESSION_ID = "sessionId";
private LoginInfo.DB loginInfoDb;
private User.DB userDb;
private Feed.DB feedDb;
private Article.DB articleDb;
private ReadArticlesColl.DB readArticlesCollDb;
private UserHelpers userHelpers;
private boolean isInJar = Utils.isInJar();
private static class ReaderErrorHandler extends ErrorHandler {
@Override // !!! note that this gets called for missing pages, but not if exceptions are thrown;
// exceptions are handled separately
public void handle(
String target,
Request request,
HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse)
throws IOException {
request.setHandled(true);
httpServletResponse
.getWriter()
.println(
String.format("<h1>Page doesn't exist: %s</h1>", request.getUri().getDecodedPath()));
}
}
private static HashMap<String, String> PATH_MAPPING = new HashMap<>();
static {
PATH_MAPPING.put("", "home_page");
PATH_MAPPING.put(PATH_LOGIN, "login");
PATH_MAPPING.put(PATH_LOGOUT, "login"); // !!! after logout we get redirected to /login
PATH_MAPPING.put(PATH_SIGNUP, "signup");
PATH_MAPPING.put(PATH_ERROR, "error");
PATH_MAPPING.put(PATH_FEED_ADMIN, "feed_admin");
PATH_MAPPING.put(PATH_SETTINGS, "settings");
PATH_MAPPING.put(PATH_FEEDS, "feeds");
PATH_MAPPING.put(PATH_FEED + "/*", "feed");
PATH_MAPPING.put(PATH_ADMIN, "admin");
}
public ReaderHandler(LowLevelDbAccess lowLevelDbAccess, String webDir) {
loginInfoDb = new LoginInfo.DB(lowLevelDbAccess);
userDb = new User.DB(lowLevelDbAccess);
feedDb = new Feed.DB(lowLevelDbAccess);
articleDb = new Article.DB(lowLevelDbAccess);
readArticlesCollDb = new ReadArticlesColl.DB(lowLevelDbAccess);
userHelpers = new UserHelpers(loginInfoDb, userDb);
setContextPath("/");
File warPath = new File(webDir);
setWar(warPath.getAbsolutePath());
if (isInJar) {
for (Map.Entry<String, String> entry : PATH_MAPPING.entrySet()) {
addPrebuiltJsp(entry.getKey(), "jsp." + entry.getValue().replaceAll("_", "_005f") + "_jsp");
}
} else {
for (Map.Entry<String, String> entry : PATH_MAPPING.entrySet()) {
addServlet(
new ServletHolder(new RedirectServlet("/" + entry.getValue() + ".jsp")),
entry.getKey());
}
}
setErrorHandler(new ReaderErrorHandler());
}
private void addPrebuiltJsp(String path, String className) {
try {
Class clazz =
Class.forName(
className); // ttt2 see if possible to not use this, preferably without doing
// redirections like RedirectServlet
Object obj = clazz.newInstance();
addServlet(new ServletHolder((Servlet) obj), path);
LOG.info("Added prebuilt JSP: " + obj.toString());
} catch (Exception e) {
LOG.fatal(String.format("Failed to load prebuilt JSP for %s and %s", path, className), e);
}
}
@Override
public void doHandle(
String target,
Request request,
HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse)
throws IOException, ServletException {
LOG.info("handling " + target);
// !!! doHandle() is called twice for a request when using redirectiion, first time with
// request.getPathInfo()
// set to the URI and target set to the path, then with request.getPathInfo() set to null and
// target set to the .jsp
try {
// request.setHandled(true);
boolean secured;
if (request.getScheme().equals("https")) {
secured = true;
} else if (request.getScheme().equals("http")) {
secured = false;
} else {
httpServletResponse
.getWriter()
.println(
String.format(
"<h1>Unknown scheme %s at %s</h1>",
request.getScheme(), request.getUri().getDecodedPath()));
return;
}
if (request.getMethod().equals("GET")) {
if (isInJar || target.endsWith(".jsp")) {
// !!! when not in jar there's no need to do anything about params if it's not a .jsp,
// as this will get called again for the corresponding .jsp
if (prepareForJspGet(target, request, httpServletResponse, secured)) {
return;
}
}
if (target.startsWith(PATH_OPEN_ARTICLE)) {
handleOpenArticle(request, httpServletResponse, target);
return;
}
super.doHandle(target, request, httpServletRequest, httpServletResponse);
LOG.info("handling of " + target + " went to super");
// httpServletResponse.setDateHeader("Date", System.currentTimeMillis()); //ttt2 review
// these, probably not use
// httpServletResponse.setDateHeader("Expires", System.currentTimeMillis() + 60000);
return;
}
if (request.getMethod().equals("POST")) {
if (request.getUri().getDecodedPath().equals(PATH_LOGIN)) {
handleLoginPost(request, httpServletResponse, secured);
} else if (request.getUri().getDecodedPath().equals(PATH_SIGNUP)) {
handleSignupPost(request, httpServletResponse);
} else if (request.getUri().getDecodedPath().equals(PATH_CHANGE_PASSWORD)) {
handleChangePasswordPost(request, httpServletResponse);
} else if (request.getUri().getDecodedPath().equals(PATH_UPDATE_FEED_LIST)) {
handleUpdateFeedListPost(request, httpServletResponse);
} else if (request.getUri().getDecodedPath().equals(PATH_ADD_FEED)) {
handleAddFeedPost(request, httpServletResponse);
} else if (request.getUri().getDecodedPath().equals(PATH_REMOVE_FEED)) {
handleRemoveFeedPost(request, httpServletResponse);
} else if (request.getUri().getDecodedPath().equals(PATH_CHANGE_SETTINGS)) {
handleChangeSettingsPost(request, httpServletResponse);
}
}
/*{ // for tests only;
httpServletResponse.getWriter().println(String.format("<h1>Unable to process request %s</h1>",
request.getUri().getDecodedPath()));
request.setHandled(true);
}*/
} catch (Exception e) {
LOG.error("Error processing request", e);
try {
// redirectToError(e.toString(), request, httpServletResponse); //!!! redirectToError leads
// to infinite loop, probably related to
// the fact that we get 2 calls for a regular request when redirecting
httpServletResponse
.getWriter()
.println(
String.format(
"<h1>Unable to process request %s</h1>", // ttt1 generate some HTML
request.getUri().getDecodedPath()));
request.setHandled(true);
} catch (Exception e1) {
LOG.error("Error redirecting", e1);
}
}
}
/**
* Normally sets the path and a few attributes that the JSPs are likely to need. Also verifies the
* login information. If necessary, just redirects to the login page.
*
* @param target
* @param request
* @param httpServletResponse
* @param secured
* @return true if the request is already handled so the .jsp shouldn't get called
* @throws Exception
*/
private boolean prepareForJspGet(
String target, Request request, HttpServletResponse httpServletResponse, boolean secured)
throws Exception {
LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request);
LOG.info(
String.format(
"hndl - %s ; %s; %s ; %s",
target,
request.getPathInfo(),
request.getMethod(),
secured ? "secured" : "not secured"));
String path = request.getUri().getDecodedPath();
boolean redirectToLogin = path.equals(PATH_LOGOUT);
LoginInfo loginInfo = null;
if (sessionInfo.isNull()) {
redirectToLogin = true;
LOG.info("Null session info. Logging in again.");
} else {
loginInfo =
loginInfoDb.get(
sessionInfo.browserId,
sessionInfo.sessionId); // ttt2 use a cache, to avoid going to DB
if (loginInfo == null || loginInfo.expiresOn < System.currentTimeMillis()) {
LOG.info("Session has expired. Logging in again. Info: " + loginInfo);
redirectToLogin = true;
}
}
if (!path.equals(PATH_LOGIN) && !path.equals(PATH_SIGNUP) && !path.equals(PATH_ERROR)) {
if (redirectToLogin) {
// ttt2 perhaps store URI, to return to it after login
logOut(sessionInfo.browserId);
addLoginParams(request, loginInfo);
httpServletResponse.sendRedirect(PATH_LOGIN);
return true;
}
User user = userDb.get(loginInfo.userId);
if (user == null) {
WebUtils.redirectToError("Unknown user", request, httpServletResponse);
return true;
}
if (!user.active) {
WebUtils.redirectToError("Account is not active", request, httpServletResponse);
return true;
}
request.setAttribute(VAR_FEED_DB, feedDb);
request.setAttribute(VAR_USER_DB, userDb);
request.setAttribute(VAR_ARTICLE_DB, articleDb);
request.setAttribute(VAR_READ_ARTICLES_COLL_DB, readArticlesCollDb);
request.setAttribute(VAR_USER, user);
request.setAttribute(VAR_LOGIN_INFO, loginInfo);
MultiMap<String> params = new MultiMap<>();
params.put(PARAM_PATH, path);
request.setParameters(params);
}
if (path.equals(PATH_LOGIN)) {
addLoginParams(request, loginInfo);
}
return false;
}
private void handleOpenArticle(
Request request, HttpServletResponse httpServletResponse, String target) throws Exception {
try {
int k1 = target.indexOf('/', 1);
int k2 = target.indexOf('/', k1 + 1);
String feedId = target.substring(k1 + 1, k2);
String strSeq = target.substring(k2 + 1);
int seq = Integer.parseInt(strSeq);
Article article = articleDb.get(feedId, seq);
LoginInfo loginInfo = userHelpers.getLoginInfo(request);
// ttt2 using the link from a non-authenticated browser causes a NPE; maybe do something
// better, e.g. sign up
ReadArticlesColl readArticlesColl = readArticlesCollDb.get(loginInfo.userId, feedId);
if (readArticlesColl == null) {
readArticlesColl = new ReadArticlesColl(loginInfo.userId, feedId);
}
if (!readArticlesColl.isRead(seq)) {
readArticlesColl.markRead(seq, Config.getConfig().maxSizeForReadArticles);
readArticlesCollDb.add(readArticlesColl);
}
String s =
URIUtil.encodePath(article.url)
.replace("%3F", "?")
.replace("%23", "#"); // ttt2 see how to do this right
httpServletResponse.sendRedirect(s);
} catch (Exception e) {
WebUtils.showResult(
String.format("Failed to get article for path %s. %s", target, e),
"/",
request,
httpServletResponse);
}
}
private void handleSignupPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
String userId = request.getParameter(PARAM_USER_ID);
String userName = request.getParameter(PARAM_USER_NAME);
String email = request.getParameter(PARAM_EMAIL);
String stringPassword = request.getParameter(PARAM_PASSWORD);
String stringPasswordConfirm = request.getParameter(PARAM_PASSWORD_CONFIRM);
if (!stringPassword.equals(stringPasswordConfirm)) {
WebUtils.redirectToError(
"Mismatch between password and password confirmation", request, httpServletResponse);
return;
}
SecureRandom secureRandom = new SecureRandom();
String salt = "" + secureRandom.nextLong();
byte[] password = User.computeHashedPassword(stringPassword, salt);
User user = userDb.get(userId);
if (user != null) {
WebUtils.redirectToError(
"There already exists a user with the ID " + userId, request, httpServletResponse);
return;
}
user =
new User(
userId,
userName,
password,
salt,
email,
new ArrayList<String>(),
Config.getConfig().activateAccountsAtCreation,
false);
// ttt2 add confirmation by email, captcha, ...
List<String> fieldErrors = user.checkFields();
if (!fieldErrors.isEmpty()) {
StringBuilder bld =
new StringBuilder("Invalid values when trying to create user with ID ")
.append(userId)
.append("<br/>");
for (String s : fieldErrors) {
bld.append(s).append("<br/>");
}
WebUtils.redirectToError(bld.toString(), request, httpServletResponse);
return;
}
// ttt2 2 clients can add the same userId simultaneously
userDb.add(user);
httpServletResponse.sendRedirect("/");
}
private void handleChangePasswordPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
LoginInfo loginInfo = userHelpers.getLoginInfo(request);
if (loginInfo == null) {
WebUtils.redirectToError("Couldn't determine the current user", request, httpServletResponse);
return;
}
String userId = loginInfo.userId;
String stringCrtPassword = request.getParameter(PARAM_CURRENT_PASSWORD);
String stringNewPassword = request.getParameter(PARAM_PASSWORD);
String stringNewPasswordConfirm = request.getParameter(PARAM_PASSWORD_CONFIRM);
if (!stringNewPassword.equals(stringNewPasswordConfirm)) {
showResult(
"Mismatch between password and password confirmation",
PATH_SETTINGS,
request,
httpServletResponse);
return;
}
User user =
userDb.get(
userId); // ttt1 crashes for wrong ID; 2013.07.20 - no longer have an idea what this is
// about
if (user == null) {
WebUtils.redirectToError("Couldn't find the current user", request, httpServletResponse);
return;
}
if (!user.checkPassword(stringCrtPassword)) {
showResult("Incorrect current password", PATH_SETTINGS, request, httpServletResponse);
return;
}
SecureRandom secureRandom = new SecureRandom();
String salt = "" + secureRandom.nextLong();
byte[] password = User.computeHashedPassword(stringNewPassword, salt);
user.salt = salt;
user.password = password;
// ttt3 2 clients can change the password simultaneously
userDb.add(user);
// httpServletResponse.sendRedirect(PATH_SETTINGS);
showResult("Password changed", PATH_SETTINGS, request, httpServletResponse);
}
private void handleChangeSettingsPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
LoginInfo loginInfo = userHelpers.getLoginInfo(request);
if (loginInfo == null) {
WebUtils.redirectToError("Couldn't determine the current user", request, httpServletResponse);
return;
}
String stringItemsPerPage = request.getParameter(PARAM_ITEMS_PER_PAGE);
try {
loginInfo.itemsPerPage = Integer.parseInt(stringItemsPerPage);
} catch (Exception e) {
showResult(
"Error trying to set the items per page. Expected integer value but got "
+ stringItemsPerPage,
PATH_SETTINGS,
request,
httpServletResponse);
return;
}
loginInfo.style = request.getParameter(PARAM_STYLE);
loginInfo.feedDateFormat =
request.getParameter(PARAM_FEED_DATE_FORMAT); // ttt2 validate, better in JSP
loginInfoDb.add(loginInfo);
// httpServletResponse.sendRedirect(PATH_SETTINGS);
showResult("Settings changed", "/", request, httpServletResponse);
}
private void handleUpdateFeedListPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
LOG.info("updating feed list"); // ttt2 implement
httpServletResponse.sendRedirect(PATH_FEED_ADMIN);
}
private void handleAddFeedPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
LOG.info("adding feed");
User user = userHelpers.getUser(request);
try {
if (user == null) {
LOG.error("User not found");
return;
}
String url = request.getParameter(PARAM_NEW_FEED_URL);
// ttt1 add some validation; probably best try to actually get data, set the title, ...
if (url == null || url.equals("")) {
LOG.error("New feed not specified");
// ttt1 show some error
return;
}
MessageDigest digest = MessageDigest.getInstance("MD5");
String feedId = PrintUtils.byteArrayAsUrlString(digest.digest(url.getBytes("UTF-8")));
feedId = feedId.substring(0, Config.getConfig().feedIdSize);
Feed feed = feedDb.get(feedId);
if (feed == null) {
feed = new Feed(feedId, url);
feedDb.add(feed);
}
if (user.feedIds.contains(feedId)) {
LOG.error(String.format("Trying to add existing feed %s to user %s", feedId, user));
} else {
user.feedIds.add(feedId);
userDb.updateFeeds(user);
}
} finally {
httpServletResponse.sendRedirect(PATH_FEED_ADMIN);
}
}
private void handleRemoveFeedPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
LOG.info("removing feed");
User user = userHelpers.getUser(request);
try {
if (user == null) {
LOG.error("User not found");
return;
}
String feedId = request.getParameter(PARAM_FEED_ID);
LOG.info(String.format("Removing feed %s for user %s", feedId, user));
// ttt1 add some validation; probably best try to actually get data, set the title, ...
if (feedId == null || feedId.equals("")) {
LOG.error("feed not specified");
// ttt1 show some error
return;
}
if (user.feedIds.remove(
feedId)) { // ttt2 clean up the global feed table; that's probably better done if nobody
// accesses a feed for 3 months or so
userDb.updateFeeds(user);
LOG.info(String.format("Removed feed %s for user %s", feedId, user));
} else {
LOG.info(String.format("No feed found with ID %s for user %s", feedId, user));
}
} finally {
httpServletResponse.sendRedirect(PATH_FEED_ADMIN);
}
}
private void handleLoginPost(
Request request, HttpServletResponse httpServletResponse, boolean secured) throws Exception {
String userId = request.getParameter(PARAM_USER_ID);
String password = request.getParameter(PARAM_PASSWORD);
String rememberAccountStr = request.getParameter(PARAM_REMEMBER_ACCOUNT);
boolean rememberAccount = Boolean.parseBoolean(rememberAccountStr);
LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request);
logOut(sessionInfo.browserId);
User user = userDb.get(userId);
if (user == null) {
WebUtils.redirectToError("User " + userId + " not found", request, httpServletResponse);
return;
}
if (!user.checkPassword(password)) {
WebUtils.redirectToError("Invalid password", request, httpServletResponse);
return;
}
if (!user.active) {
WebUtils.redirectToError(
"Account for User " + userId + " needs to be activated", request, httpServletResponse);
return;
}
LOG.info("Logged in user " + userId);
sessionInfo.sessionId = null;
if (sessionInfo.browserId == null) {
sessionInfo.browserId = getRandomId();
} else {
for (LoginInfo loginInfo : loginInfoDb.getLoginsForBrowser(sessionInfo.browserId)) {
if (userId.equals(loginInfo.userId)) {
sessionInfo.sessionId = loginInfo.sessionId;
break;
}
}
}
long expireOn = System.currentTimeMillis() + Config.getConfig().loginExpireInterval;
if (sessionInfo.sessionId == null) {
sessionInfo.sessionId = getRandomId();
Config config = Config.getConfig();
loginInfoDb.add(
new LoginInfo(
sessionInfo.browserId,
sessionInfo.sessionId,
userId,
expireOn,
rememberAccount,
config.defaultStyle,
config.defaultItemsPerPage,
config.defaultFeedDateFormat));
LOG.info(String.format("Logging in in a new session. User: %s", user));
} else {
loginInfoDb.updateExpireTime(sessionInfo.browserId, sessionInfo.sessionId, expireOn);
LOG.info(String.format("Logging in in an existing session. User: %s", user));
}
WebUtils.saveCookies(
httpServletResponse, secured, sessionInfo.browserId, sessionInfo.sessionId);
httpServletResponse.sendRedirect("/");
}
private String getRandomId() {
SecureRandom secureRandom = new SecureRandom();
return "" + secureRandom.nextLong();
}
private void addLoginParams(Request request, LoginInfo loginInfo) {
MultiMap<String> params = new MultiMap<>();
if (loginInfo != null && loginInfo.rememberAccount) {
params.put(PARAM_USER_ID, loginInfo.userId);
}
request.setParameters(params);
}
private void logOut(String browserId) throws Exception {
// ttt2 the right way to do it is to go through all the sessions of the current browser, which
// would require a new field and a new index;
// not sure if it's worth it, but this would work: A logs in, forgets to log out, B delets the
// cookies, logs in, A sees B is logged in, then B
// restores the cookies and uses A's account
if (browserId == null) {
return;
}
List<LoginInfo> loginInfos = loginInfoDb.getLoginsForBrowser(browserId);
long expireTarget = System.currentTimeMillis() - Utils.ONE_DAY;
for (LoginInfo loginInfo : loginInfos) {
if (loginInfo.expiresOn <= expireTarget) {
LOG.info(String.format("LoginInfo %s is enough in the past", loginInfo));
} else {
LOG.info(String.format("Logging out: %s", loginInfo));
loginInfoDb.updateExpireTime(browserId, loginInfo.sessionId, expireTarget);
}
}
}
public static class FeedInfo {
public String feedId;
public int maxSeq;
public FeedInfo(String feedId, int maxSeq) {
this.feedId = feedId;
this.maxSeq = maxSeq;
}
}
// !!! IDEA reports this as unused, but it is called from JSP
public static FeedInfo getFeedInfo(String feedPath) {
if (feedPath.startsWith(PATH_FEED + "/")) {
try {
if (feedPath.endsWith("/")) {
feedPath = feedPath.substring(0, feedPath.length() - 1);
}
int k = PATH_FEED.length() + 1;
int p = feedPath.indexOf('/', k);
return p >= 0
? new FeedInfo(feedPath.substring(k, p), Integer.parseInt(feedPath.substring(p + 1)))
: new FeedInfo(feedPath.substring(k), -1);
} catch (Exception e) {
LOG.error("Exception trying to parse the feed info", e);
}
}
LOG.error("Invalid path from feed: " + feedPath);
return new FeedInfo("INVALID", -1);
}
// !!! IDEA reports this as unused, but it is called from JSP
public static String getStyle(LoginInfo loginInfo) {
StringBuilder bld = new StringBuilder();
bld.append("<style media=\"screen\" type=\"text/css\">\n\n");
if (loginInfo == null) {
bld.append(Config.getConfig().defaultStyle);
} else {
bld.append(loginInfo.style); // ttt3 detect broken styles and return default
}
bld.append("</style>\n");
return bld.toString();
}
/* private void jspCodeCheck() throws Exception {
Article.DB articleDb;
Request request;
String path = "";
String feedId = ReaderHandler.getFeedId(path);
int maxSeq = ReaderHandler.getSeq(path);
Feed.DB feedDb = (Feed.DB)request.getAttribute(ReaderHandler.VAR_FEED_DB);
Feed feed = feedDb.get(feedId);
if (feed == null) {
out.println("Feed " + feedId + " not found");
} else {
if (maxSeq == -1) {
maxSeq = feed.maxSeq;
}
if (maxSeq < 0) {
out.println("Feed " + feedId + " is empty");
} else {
++maxSeq;
LoginInfo loginInfo = (LoginInfo)request.getAttribute(ReaderHandler.VAR_LOGIN_INFO);
int minSeq = Math.max(maxSeq - loginInfo.itemsPerPage, 0);
List<Article> articles = articleDb.get(feedId, minSeq, maxSeq);
for (Article article : articles) {
out.println("<a href=\"" + article.url + "\">" + article.title + "</a><br/>");
}
}
}
}
//*/
}