+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with the com.oreilly.servlet library, any library\r
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced\r
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of\r
+ * the above that use the same license as the above), and distribute linked\r
+ * combinations including the two. You must obey the GNU General Public\r
+ * License in all respects for all of the code used other than the above\r
+ * mentioned libraries. If you modify this file, you may extend this exception\r
+ * to your version of the file, but you are not obligated to do so. If you do\r
+ * not wish to do so, delete this exception statement from your version.\r
+ */\r
+\r
+import java.io.IOException;\r
+import java.io.PrintWriter;\r
+import java.lang.reflect.Method;\r
+import java.util.GregorianCalendar;\r
+import java.util.HashMap;\r
+import java.util.Iterator;\r
+import java.util.List;\r
+import java.util.Locale;\r
+import java.util.Map;\r
+import java.util.Vector;\r
+\r
+import javax.servlet.ServletException;\r
+import javax.servlet.UnavailableException;\r
+import javax.servlet.http.HttpServletRequest;\r
+import javax.servlet.http.HttpServletResponse;\r
+import javax.servlet.http.HttpSession;\r
+\r
+import mir.config.MirPropertiesConfiguration;\r
+import mir.generator.FreemarkerGenerator;\r
+import mir.log.LoggerWrapper;\r
+import mir.misc.HTMLTemplateProcessor;\r
+import mir.misc.StringUtil;\r
+import mir.servlet.AbstractServlet;\r
+import mir.servlet.ServletModule;\r
+import mir.servlet.ServletModuleDispatch;\r
+import mir.servlet.ServletModuleExc;\r
+import mir.servlet.ServletModuleUserExc;\r
+import mir.util.StringRoutines;\r
+import mir.util.ExceptionFunctions;\r
+import mircoders.entity.EntityUsers;\r
+import mircoders.global.MirGlobal;\r
+import mircoders.module.ModuleMessage;\r
+import mircoders.module.ModuleUsers;\r
+import mircoders.storage.DatabaseArticleType;\r
+import mircoders.storage.DatabaseMessages;\r
+import mircoders.storage.DatabaseUsers;\r
+\r
+import org.apache.struts.util.MessageResources;\r
+\r
+import freemarker.template.SimpleHash;\r
+import freemarker.template.SimpleList;\r
+import freemarker.template.SimpleScalar;\r
+import freemarker.template.TemplateModel;\r
+\r
+\r
+\r
+/**\r
+ * Mir.java - main servlet, that dispatches to servletmodules\r
+ *\r
+ * @author $Author: zapata $\r
+ * @version $Id: Mir.java,v 1.34 2003/03/07 00:50:22 zapata Exp $\r
+ *\r
+ */\r
+public class Mir extends AbstractServlet {\r
+ private static ModuleUsers usersModule = null;\r
+ private static ModuleMessage messageModule = null;\r
+ private final static Map servletModuleInstanceHash = new HashMap();\r
+\r
+ //I don't know about making this static cause it removes the\r
+ //possibility to change the config on the fly.. -mh\r
+ private static List loginLanguages = null;\r
+ public HttpSession session;\r
+\r
+ public void doGet(HttpServletRequest aRequest, HttpServletResponse aResponse)\r
+ throws ServletException, IOException {\r
+ doPost(aRequest, aResponse);\r
+ }\r
+\r
+ protected TemplateModel getLoginLanguages() throws ServletException {\r
+ synchronized (Mir.class) {\r
+ try {\r
+ if (loginLanguages == null) {\r
+ MessageResources messageResources2 =\r
+ MessageResources.getMessageResources("bundles.admin");\r
+ MessageResources messageResources =\r
+ MessageResources.getMessageResources("bundles.adminlocal");\r
+ List languages =\r
+ StringRoutines.splitString(MirGlobal.getConfigPropertyWithDefault(\r
+ "Mir.Login.Languages", "en"), ";");\r
+\r
+ loginLanguages = new Vector();\r
+\r
+ Iterator i = languages.iterator();\r
+\r
+ while (i.hasNext()) {\r
+ String code = (String) i.next();\r
+ Locale locale = new Locale(code, "");\r
+ String name = messageResources.getMessage(locale, "languagename");\r
+\r
+ if (name == null) {\r
+ name = messageResources2.getMessage(locale, "languagename");\r
+ }\r
+\r
+ if (name == null) {\r
+ name = code;\r
+ }\r
+\r
+ Map record = new HashMap();\r
+ record.put("name", name);\r
+ record.put("code", code);\r
+ loginLanguages.add(record);\r
+ }\r
+ }\r
+\r
+ return FreemarkerGenerator.makeAdapter(loginLanguages);\r
+ }\r
+ catch (Throwable t) {\r
+ throw new ServletException(t.getMessage());\r
+ }\r
+ }\r
+ }\r
+\r
+ // FIXME: this should probalby go into AbstractServlet so it can be used in\r
+ // OpenMir as well -mh\r
+ protected String getDefaultLanguage(HttpServletRequest aRequest) {\r
+ String defaultlanguage =\r
+ MirGlobal.getConfigPropertyWithDefault("Mir.Login.DefaultLanguage", "");\r
+\r
+ if (defaultlanguage.length() == 0) {\r
+ Locale locale = aRequest.getLocale();\r
+ defaultlanguage = locale.getLanguage();\r
+ }\r
+\r
+ return defaultlanguage;\r
+ }\r
+\r
+ public void doPost(HttpServletRequest aRequest, HttpServletResponse aResponse)\r
+ throws ServletException, IOException, UnavailableException {\r
+ long startTime = System.currentTimeMillis();\r
+ long sessionConnectTime = 0;\r
+ EntityUsers userEntity;\r
+ String http = "";\r
+\r
+ if ((configuration.getString("RootUri") == null) ||\r
+ configuration.getString("RootUri").equals("")) {\r
+ configuration.setProperty("RootUri", aRequest.getContextPath());\r
+ }\r
+\r
+ configuration.addProperty("ServletName", getServletName());\r
+\r
+ //*** test\r
+ // Log.info(this, "blalalala");\r
+ session = aRequest.getSession(true);\r
+ userEntity = (EntityUsers) session.getAttribute("login.uid");\r
+\r
+ if (aRequest.getServerPort() == 443) {\r
+ http = "https";\r
+ } else {\r
+ http = "http";\r
+ }\r
+\r
+ //make sure client browsers don't cache anything\r
+ setNoCaching(aResponse);\r
+\r
+ //FIXME: this seems kind of hackish and only here because we can have\r
+ // default other than the one that the browser is set to.\r
+ Locale locale = new Locale(getDefaultLanguage(aRequest), "");\r
+ MessageResources messageResources =\r
+ MessageResources.getMessageResources("bundles.admin");\r
+ String htmlcharset = messageResources.getMessage(locale, "htmlcharset");\r
+\r
+ aResponse.setContentType("text/html; charset=" + htmlcharset);\r
+\r
+ String moduleName = aRequest.getParameter("module");\r
+ checkLanguage(session, aRequest);\r
+\r
+ /** @todo for cleanup and readability this should be moved to\r
+ * method loginIfNecessary() */\r
+ if ((moduleName != null) && moduleName.equals("direct")) {\r
+ //...\r
+ }\r
+\r
+ // Authentication\r
+ if (((moduleName != null) && moduleName.equals("login")) ||\r
+ (userEntity == null)) {\r
+ String user = aRequest.getParameter("login");\r
+ String passwd = aRequest.getParameter("password");\r
+ logger.debug("--login: evaluating for user: " + user);\r
+ userEntity = allowedUser(user, passwd);\r
+\r
+ if (userEntity == null) {\r
+ // login failed: redirecting to login\r
+ logger.warn("--login: failed!");\r
+ _sendLoginPage(aResponse, aRequest, aResponse.getWriter());\r
+\r
+ return;\r
+ } else if ((moduleName != null) && moduleName.equals("login")) {\r
+ // login successful\r
+ logger.info("--login: successful! setting uid: " + userEntity.getId());\r
+ session.setAttribute("login.uid", userEntity);\r
+ logger.debug("--login: trying to retrieve login.target");\r
+\r
+ String target = (String) session.getAttribute("login.target");\r
+\r
+ if (target != null) {\r
+ logger.debug("Redirect: " + target);\r
+\r
+ int serverPort = aRequest.getServerPort();\r
+ String redirect = "";\r
+ String redirectString = "";\r
+\r
+ if (serverPort == 80) {\r
+ redirect =\r
+ aResponse.encodeURL(http + "://" + aRequest.getServerName() + target);\r
+ redirectString =\r
+ "<html><head><meta http-equiv=refresh content=\"1;URL=" +\r
+ redirect + "\"></head><body>going <a href=\"" + redirect +\r
+ "\">Mir</a></body></html>";\r
+ } else {\r
+ redirect =\r
+ aResponse.encodeURL(http + "://" + aRequest.getServerName() + ":" +\r
+ aRequest.getServerPort() + target);\r
+ redirectString =\r
+ "<html><head><meta http-equiv=refresh content=\"1;URL=" +\r
+ redirect + "\"></head><body>going <a href=\"" + redirect +\r
+ "\">Mir</a></body></html>";\r
+ }\r
+\r
+ aResponse.getWriter().println(redirectString);\r
+\r
+ //aResponse.sendRedirect(redirect);\r
+ } else {\r
+ // redirecting to default target\r
+ logger.debug("--login: no target - redirecting to default");\r
+ _sendStartPage(aResponse, aRequest, aResponse.getWriter(), userEntity);\r
+ }\r
+\r
+ return;\r
+ }\r
+ // if login succesful\r
+ }\r
+ // if login\r
+\r
+ if ((moduleName != null) && moduleName.equals("logout")) {\r
+ logger.info("--logout");\r
+ session.invalidate();\r
+\r
+ //session = aRequest.getSession(true);\r
+ //checkLanguage(session, aRequest);\r
+ _sendLoginPage(aResponse, aRequest, aResponse.getWriter());\r
+\r
+ return;\r
+ }\r
+\r
+ // Check if authed!\r
+ if (userEntity == null) {\r
+ // redirect to loginpage\r
+ String redirectString = aRequest.getRequestURI();\r
+ String queryString = aRequest.getQueryString();\r
+\r
+ if ((queryString != null) && !queryString.equals("")) {\r
+ redirectString += ("?" + aRequest.getQueryString());\r
+ logger.debug("STORING: " + redirectString);\r
+ session.setAttribute("login.target", redirectString);\r
+ }\r
+\r
+ _sendLoginPage(aResponse, aRequest, aResponse.getWriter());\r
+\r
+ return;\r
+ }\r
+\r
+ // If no module is specified goto standard startpage\r
+ if ((moduleName == null) || moduleName.equals("")) {\r
+ logger.debug("no module: redirect to standardpage");\r
+ _sendStartPage(aResponse, aRequest, aResponse.getWriter(), userEntity);\r
+\r
+ return;\r
+ }\r
+\r
+ // end of auth\r
+ // From now on regular dispatching...\r
+ try {\r
+ // get servletmodule by parameter and continue with dispacher\r
+ ServletModule smod = getServletModuleForName(moduleName);\r
+ ServletModuleDispatch.dispatch(smod, aRequest, aResponse);\r
+ }\r
+ catch (Throwable e) {\r
+ Throwable cause = ExceptionFunctions.traceCauseException(e);\r
+\r
+ if (cause instanceof ServletModuleUserExc)\r
+ handleUserError(aRequest, aResponse, aResponse.getWriter(), (ServletModuleUserExc) cause);\r
+ else\r
+ handleError(aRequest, aResponse, aResponse.getWriter(), cause);\r
+\r
+ }\r
+\r
+ // timing...\r
+ sessionConnectTime = System.currentTimeMillis() - startTime;\r
+ logger.info("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");\r
+ }\r
+\r
+ /**\r
+ * Private method getServletModuleForName returns ServletModule\r
+ * from Cache\r
+ *\r
+ * @param moduleName\r
+ * @return ServletModule\r
+ *\r
+ */\r
+ private static ServletModule getServletModuleForName(String moduleName) throws ServletModuleExc {\r
+ // Instance in Map ?\r
+ if (!servletModuleInstanceHash.containsKey(moduleName)) {\r
+ // was not found in hash...\r
+ try {\r
+ Class theServletModuleClass = null;\r
+\r
+ try {\r
+ // first we try to get ServletModule from stern.che3.servlet\r
+ theServletModuleClass =\r
+ Class.forName("mircoders.servlet.ServletModule" + moduleName);\r
+ } catch (ClassNotFoundException e) {\r
+ // on failure, we try to get it from lib-layer\r
+ theServletModuleClass =\r
+ Class.forName("mir.servlet.ServletModule" + moduleName);\r
+ }\r
+\r
+ Method m = theServletModuleClass.getMethod("getInstance", null);\r
+ ServletModule smod = (ServletModule) m.invoke(null, null);\r
+\r
+ // we put it into map for further reference\r
+ servletModuleInstanceHash.put(moduleName, smod);\r
+\r
+ return smod;\r
+ }\r
+ catch (Exception e) {\r
+ throw new ServletModuleExc("*** error resolving classname for " + moduleName + " -- " + e.getMessage());\r
+ }\r
+ } else {\r
+ return (ServletModule) servletModuleInstanceHash.get(moduleName);\r
+ }\r
+ }\r
+\r
+ private void handleUserError(HttpServletRequest aRequest, HttpServletResponse aResponse,\r
+ PrintWriter out, Throwable anException) {\r
+ try {\r
+ logger.info("user error: " + anException.getMessage());\r
+ SimpleHash modelRoot = new SimpleHash();\r
+ modelRoot.put("errorstring", new SimpleScalar(anException.getMessage()));\r
+ modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));\r
+ HTMLTemplateProcessor.process(aResponse,MirPropertiesConfiguration.instance().getString("Mir.UserErrorTemplate"),\r
+ modelRoot, out, aRequest.getLocale() );\r
+ out.close();\r
+ }\r
+ catch (Exception e) {\r
+ logger.error("Error in UserErrorTemplate");\r
+ }\r
+\r
+ }\r
+\r
+ private void handleError(HttpServletRequest aRequest, HttpServletResponse aResponse,PrintWriter out, Throwable anException) {\r
+\r
+ try {\r
+ logger.error("error: " + anException);\r
+ SimpleHash modelRoot = new SimpleHash();\r
+ modelRoot.put("errorstring", new SimpleScalar(anException.getMessage()));\r
+ modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(\r
+ new GregorianCalendar())));\r
+ HTMLTemplateProcessor.process(aResponse,MirPropertiesConfiguration.instance().getString("Mir.ErrorTemplate"),\r
+ modelRoot,out, aRequest.getLocale());\r
+ out.close();\r
+ }\r
+ catch (Exception e) {\r
+ logger.error("Error in ErrorTemplate");\r
+ }\r
+ }\r
+\r
+ /**\r
+ * evaluate login for user / password\r
+ */\r
+ protected EntityUsers allowedUser(String user, String password) {\r
+ try {\r
+ if (usersModule == null) {\r
+ usersModule = new ModuleUsers(DatabaseUsers.getInstance());\r
+ }\r
+\r
+ return usersModule.getUserForLogin(user, password);\r
+ } catch (Exception e) {\r
+ logger.debug(e.getMessage());\r
+ e.printStackTrace();\r
+\r
+ return null;\r
+ }\r
+ }\r
+\r
+ // Redirect-methods\r
+ private void _sendLoginPage(HttpServletResponse aResponse, HttpServletRequest aRequest,\r
+ PrintWriter out) {\r
+ String loginTemplate = configuration.getString("Mir.LoginTemplate");\r
+ String sessionUrl = aResponse.encodeURL("");\r
+\r
+ try {\r
+ SimpleHash mergeData = new SimpleHash();\r
+ SimpleList languages = new SimpleList();\r
+\r
+ mergeData.put("session", sessionUrl);\r
+\r
+ mergeData.put("defaultlanguage", getDefaultLanguage(aRequest));\r
+ mergeData.put("languages", getLoginLanguages());\r
+\r
+ HTMLTemplateProcessor.process(aResponse, loginTemplate, mergeData, out,\r
+ getLocale(aRequest));\r
+ }\r
+ catch (Throwable e) {\r
+ handleError(aRequest, aResponse, out, e);\r
+ }\r
+ }\r
+\r
+ private void _sendStartPage(HttpServletResponse aResponse, HttpServletRequest aRequest,\r
+ PrintWriter out, EntityUsers userEntity) {\r
+ String startTemplate = "templates/admin/start_admin.template";\r
+ String sessionUrl = aResponse.encodeURL("");\r
+\r
+ try {\r
+ // merge with logged in user and messages\r
+ SimpleHash mergeData = new SimpleHash();\r
+ mergeData.put("session", sessionUrl);\r
+ mergeData.put("login_user", userEntity);\r
+\r
+ if (messageModule == null) {\r
+ messageModule = new ModuleMessage(DatabaseMessages.getInstance());\r
+ }\r
+\r
+ mergeData.put("messages",\r
+ messageModule.getByWhereClause(null, "webdb_create desc", 0, 10));\r
+\r
+ mergeData.put("articletypes",\r
+ DatabaseArticleType.getInstance().selectByWhereClause("", "id", 0, 20));\r
+\r
+ HTMLTemplateProcessor.process(aResponse, startTemplate, mergeData, out,\r
+ getLocale(aRequest));\r
+ }\r
+ catch (Exception e) {\r
+ e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));\r
+ handleError(aRequest, aResponse, out, e);\r
+ }\r
+ }\r
+\r
+ public String getServletInfo() {\r
+ return "Mir " + configuration.getString("Mir.Version");\r
+ }\r
+\r
+ private void checkLanguage(HttpSession session, HttpServletRequest aRequest) {\r
+ // a lang parameter always sets the language\r
+ String lang = aRequest.getParameter("language");\r
+\r
+ if (lang != null) {\r
+ logger.info("selected language " + lang + " overrides accept-language");\r
+ setLanguage(session, lang);\r
+ setLocale(session, new Locale(lang, ""));\r
+ }\r
+ // otherwise store language from accept header in session\r
+ else if (session.getAttribute("Language") == null) {\r
+ logger.info("accept-language is " + aRequest.getLocale().getLanguage());\r
+ setLanguage(session, aRequest.getLocale().getLanguage());\r
+ setLocale(session, aRequest.getLocale());\r
+ }\r
+ }\r
+}\r
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