14735285473

Committed 29 Apr 2025 03:33PM UTC coverage: 65.095% (-0.09%) from 65.187%

Build # 14735285473

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push

github

Committed by

web-flow

Commit Message

TRUNK-6329: Modernize OpenMRS installation wizard UI to match the current OpenMRS branding (#4995)

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/web/src/main/java/org/openmrs/web/filter/initialization/InitializationFilter.java

/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 * 
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
package org.openmrs.web.filter.initialization;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Base64.Encoder;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Random;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.zip.ZipInputStream;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import liquibase.changelog.ChangeSet;
import org.apache.commons.io.IOUtils;
import org.openmrs.ImplementationId;
import org.openmrs.api.APIAuthenticationException;
import org.openmrs.api.PasswordException;
import org.openmrs.api.UserService;
import org.openmrs.api.context.Context;
import org.openmrs.api.context.ContextAuthenticationException;
import org.openmrs.api.context.UsernamePasswordCredentials;
import org.openmrs.liquibase.ChangeLogDetective;
import org.openmrs.liquibase.ChangeLogVersionFinder;
import org.openmrs.module.MandatoryModuleException;
import org.openmrs.module.web.WebModuleUtil;
import org.openmrs.util.DatabaseUpdateException;
import org.openmrs.util.DatabaseUpdater;
import org.openmrs.liquibase.ChangeSetExecutorCallback;
import org.openmrs.util.DatabaseUpdaterLiquibaseProvider;
import org.openmrs.util.DatabaseUtil;
import org.openmrs.util.InputRequiredException;
import org.openmrs.util.OpenmrsConstants;
import org.openmrs.util.OpenmrsThreadPoolHolder;
import org.openmrs.util.OpenmrsUtil;
import org.openmrs.util.PrivilegeConstants;
import org.openmrs.util.Security;
import org.openmrs.web.Listener;
import org.openmrs.web.WebConstants;
import org.openmrs.web.WebDaemon;
import org.openmrs.web.filter.StartupFilter;
import org.openmrs.web.filter.update.UpdateFilter;
import org.openmrs.web.filter.util.CustomResourceLoader;
import org.openmrs.web.filter.util.ErrorMessageConstants;
import org.openmrs.web.filter.util.FilterUtil;
import org.openmrs.web.filter.util.SessionModelUtils;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;
import org.springframework.web.context.ContextLoader;

import static org.openmrs.util.PrivilegeConstants.GET_GLOBAL_PROPERTIES;

/**
 * This is the first filter that is processed. It is only active when starting OpenMRS for the very
 * first time. It will redirect all requests to the {@link WebConstants#SETUP_PAGE_URL} if the
 * {@link Listener} wasn't able to find any runtime properties
 */
public class InitializationFilter extends StartupFilter {
        
        private static final org.slf4j.Logger log = LoggerFactory.getLogger(InitializationFilter.class);
        
        private static final String DATABASE_POSTGRESQL = "postgresql";
        
        private static final String DATABASE_MYSQL = "mysql";
        
        private static final String DATABASE_SQLSERVER = "sqlserver";
        
        private static final String DATABASE_H2 = "h2";
        
        private static final String LIQUIBASE_DEMO_DATA = "liquibase-demo-data.xml";
        
        /**
         * The very first page of wizard, that asks user for select his preferred language
         */
        private static final String CHOOSE_LANG = "chooselang.vm";
        
        /**
         * The second page of the wizard that asks for simple or advanced installation.
         */
        private static final String INSTALL_METHOD = "installmethod.vm";
        
        /**
         * The simple installation setup page.
         */
        private static final String SIMPLE_SETUP = "simplesetup.vm";
        
        /**
         * The first page of the advanced installation of the wizard that asks for a current or past
         * database
         */
        private static final String DATABASE_SETUP = "databasesetup.vm";
        
        /**
         * The page from where the user specifies the url to a remote system, username and password
         */
        private static final String TESTING_REMOTE_DETAILS_SETUP = "remotedetails.vm";
        
        /**
         * The velocity macro page to redirect to if an error occurs or on initial startup
         */
        private static final String DEFAULT_PAGE = CHOOSE_LANG;
        
        /**
         * This page asks whether database tables/demo data should be inserted and what the
         * username/password that will be put into the runtime properties is
         */
        private static final String DATABASE_TABLES_AND_USER = "databasetablesanduser.vm";
        
        /**
         * This page lets the user define the admin user
         */
        private static final String ADMIN_USER_SETUP = "adminusersetup.vm";
        
        /**
         * This page lets the user pick an implementation id
         */
        private static final String IMPLEMENTATION_ID_SETUP = "implementationidsetup.vm";
        
        /**
         * This page asks for settings that will be put into the runtime properties files
         */
        private static final String OTHER_RUNTIME_PROPS = "otherruntimeproperties.vm";
        
        /**
         * A page that tells the user that everything is collected and will now be processed
         */
        private static final String WIZARD_COMPLETE = "wizardcomplete.vm";
        
        /**
         * A page that lists off what is happening while it is going on. This page has ajax that callst he
         * {@value #PROGRESS_VM_AJAXREQUEST} page
         */
        private static final String PROGRESS_VM = "progress.vm";
        
        /**
         * This url is called by javascript to get the status of the install
         */
        private static final String PROGRESS_VM_AJAXREQUEST = "progress.vm.ajaxRequest";
        
        public static final String RELEASE_TESTING_MODULE_PATH = "/module/releasetestinghelper/";
        
        /**
         * The model object that holds all the properties that the rendered templates use. All attributes on
         * this object are made available to all templates via reflection in the
         * {@link org.openmrs.web.filter.StartupFilter#renderTemplate(String, Map, HttpServletResponse)} method.
         */
        private InitializationWizardModel wizardModel = null;
        
        private InitializationCompletion initJob;
        
        /**
         * Variable set to true as soon as the installation begins and set to false when the process ends
         * This thread should only be accesses through the synchronized method.
         */
        private static boolean isInstallationStarted = false;
        
        // the actual driver loaded by the DatabaseUpdater class
        private String loadedDriverString;
        
        /**
         * Variable set at the end of the wizard when spring is being restarted
         */
        private static boolean initializationComplete = false;
        
        protected synchronized void setInitializationComplete(boolean initializationComplete) {
                InitializationFilter.initializationComplete = initializationComplete;
        }
        
        /**
         * Called by {@link #doFilter(ServletRequest, ServletResponse, FilterChain)} on GET requests
         *
         * @param httpRequest
         * @param httpResponse
         */
        @Override
        protected void doGet(HttpServletRequest httpRequest, HttpServletResponse httpResponse)
                throws IOException {
                SessionModelUtils.loadFromSession(httpRequest.getSession(), wizardModel);
                loadInstallationScriptIfPresent();
                
                // we need to save current user language in references map since it will be used when template
                // will be rendered
                if (httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE) == null) {
                        checkLocaleAttributesForFirstTime(httpRequest);
                }
                
                Map<String, Object> referenceMap = new HashMap<>();
                String page = httpRequest.getParameter("page");
                
                referenceMap.put(FilterUtil.LOCALE_ATTRIBUTE, httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE));
                
                httpResponse.setHeader("Cache-Control", "no-cache");
                
                // if any body has already started installation and this is not an ajax request for the progress
                if (isInstallationStarted() && !PROGRESS_VM_AJAXREQUEST.equals(page)) {
                        referenceMap.put("isInstallationStarted", true);
                        httpResponse.setContentType("text/html");
                        renderTemplate(PROGRESS_VM, referenceMap, httpResponse);
                } else if (PROGRESS_VM_AJAXREQUEST.equals(page)) {
                        httpResponse.setContentType("text/json");
                        Map<String, Object> result = new HashMap<>();
                        if (initJob != null) {
                                result.put("hasErrors", initJob.hasErrors());
                                if (initJob.hasErrors()) {
                                        result.put("errorPage", initJob.getErrorPage());
                                        errors.putAll(initJob.getErrors());
                                }
                                
                                result.put("initializationComplete", isInitializationComplete());
                                result.put("message", initJob.getMessage());
                                result.put("actionCounter", initJob.getStepsComplete());
                                if (!isInitializationComplete()) {
                                        result.put("executingTask", initJob.getExecutingTask());
                                        result.put("executedTasks", initJob.getExecutedTasks());
                                        result.put("completedPercentage", initJob.getCompletedPercentage());
                                }

                                SessionModelUtils.clearWizardSessionAttributes(httpRequest.getSession());
                                addLogLinesToResponse(result);
                        }
                        
                        PrintWriter writer = httpResponse.getWriter();
                        writer.write(toJSONString(result));
                        writer.close();
                } else if (InitializationWizardModel.INSTALL_METHOD_AUTO.equals(wizardModel.installMethod)
                        || httpRequest.getServletPath().equals("/" + AUTO_RUN_OPENMRS)) {
                        autoRunOpenMRS(httpRequest);
                        referenceMap.put("isInstallationStarted", true);
                        httpResponse.setContentType("text/html");
                        renderTemplate(PROGRESS_VM, referenceMap, httpResponse);
                } else if (page == null) {
                        httpResponse.setContentType("text/html");// if any body has already started installation
                        
                        //If someone came straight here without setting the hidden page input,
                        // then we need to clear out all the passwords
                        clearPasswords();
                        
                        renderTemplate(DEFAULT_PAGE, referenceMap, httpResponse);
                } else if (INSTALL_METHOD.equals(page)) {
                        // get props and render the second page
                        File runtimeProperties = getRuntimePropertiesFile();
                        
                        if (!runtimeProperties.exists()) {
                                try {
                                        runtimeProperties.createNewFile();
                                        // reset the error objects in case of refresh
                                        wizardModel.canCreate = true;
                                        wizardModel.cannotCreateErrorMessage = "";
                                }
                                catch (IOException io) {
                                        wizardModel.canCreate = false;
                                        wizardModel.cannotCreateErrorMessage = io.getMessage();
                                }
                                
                                // check this before deleting the file again
                                wizardModel.canWrite = runtimeProperties.canWrite();
                                
                                // delete the file again after testing the create/write
                                // so that if the user stops the webapp before finishing
                                // this wizard, they can still get back into it
                                runtimeProperties.delete();
                                
                        } else {
                                wizardModel.canWrite = runtimeProperties.canWrite();
                                
                                wizardModel.databaseConnection = Context.getRuntimeProperties().getProperty("connection.url",
                                        wizardModel.databaseConnection);
                                
                                wizardModel.currentDatabaseUsername = Context.getRuntimeProperties().getProperty("connection.username",
                                        wizardModel.currentDatabaseUsername);
                                
                                wizardModel.currentDatabasePassword = Context.getRuntimeProperties().getProperty("connection.password",
                                        wizardModel.currentDatabasePassword);
                        }
                        
                        wizardModel.runtimePropertiesPath = runtimeProperties.getAbsolutePath();
                        
                        // do step one of the wizard
                        httpResponse.setContentType("text/html");
                        renderTemplate(INSTALL_METHOD, referenceMap, httpResponse);
                }
        }
        
        private void loadInstallationScriptIfPresent() {
                Properties script = getInstallationScript();
                if (!script.isEmpty()) {
                        wizardModel.installMethod = script.getProperty("install_method", wizardModel.installMethod);
                        
                        wizardModel.databaseConnection = script.getProperty("connection.url", wizardModel.databaseConnection);
                        wizardModel.databaseDriver = script.getProperty("connection.driver_class", wizardModel.databaseDriver);
                        wizardModel.currentDatabaseUsername = script.getProperty("connection.username",
                                wizardModel.currentDatabaseUsername);
                        wizardModel.currentDatabasePassword = script.getProperty("connection.password",
                                wizardModel.currentDatabasePassword);
                        
                        String hasCurrentOpenmrsDatabase = script.getProperty("has_current_openmrs_database");
                        if (hasCurrentOpenmrsDatabase != null) {
                                wizardModel.hasCurrentOpenmrsDatabase = Boolean.valueOf(hasCurrentOpenmrsDatabase);
                        }
                        wizardModel.createDatabaseUsername = script.getProperty("create_database_username",
                                wizardModel.createDatabaseUsername);
                        wizardModel.createDatabasePassword = script.getProperty("create_database_password",
                                wizardModel.createDatabasePassword);
                        
                        String createTables = script.getProperty("create_tables");
                        if (createTables != null) {
                                wizardModel.createTables = Boolean.valueOf(createTables);
                        }
                        
                        String createDatabaseUser = script.getProperty("create_database_user");
                        if (createDatabaseUser != null) {
                                wizardModel.createDatabaseUser = Boolean.valueOf(createDatabaseUser);
                        }
                        wizardModel.createUserUsername = script.getProperty("create_user_username", wizardModel.createUserUsername);
                        wizardModel.createUserPassword = script.getProperty("create_user_password", wizardModel.createUserPassword);
                        
                        String addDemoData = script.getProperty("add_demo_data");
                        if (addDemoData != null) {
                                wizardModel.addDemoData = Boolean.valueOf(addDemoData);
                        }
                        
                        String moduleWebAdmin = script.getProperty("module_web_admin");
                        if (moduleWebAdmin != null) {
                                wizardModel.moduleWebAdmin = Boolean.valueOf(moduleWebAdmin);
                        }
                        
                        String autoUpdateDatabase = script.getProperty("auto_update_database");
                        if (autoUpdateDatabase != null) {
                                wizardModel.autoUpdateDatabase = Boolean.valueOf(autoUpdateDatabase);
                        }
                        
                        wizardModel.adminUserPassword = script.getProperty("admin_user_password", wizardModel.adminUserPassword);
                }
        }
        
        private void clearPasswords() {
                wizardModel.databaseRootPassword = "";
                wizardModel.createDatabasePassword = "";
                wizardModel.createUserPassword = "";
                wizardModel.currentDatabasePassword = "";
                wizardModel.remotePassword = "";
        }
        
        /**
         * Called by {@link #doFilter(ServletRequest, ServletResponse, FilterChain)} on POST requests
         *
         * @param httpRequest
         * @param httpResponse
         */
        @Override
        protected void doPost(HttpServletRequest httpRequest, HttpServletResponse httpResponse)
                throws IOException, ServletException {
                String page = httpRequest.getParameter("page");
                Map<String, Object> referenceMap = new HashMap<>();
                // we need to save current user language in references map since it will be used when template
                // will be rendered
                if (httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE) != null) {
                        referenceMap.put(FilterUtil.LOCALE_ATTRIBUTE,
                                httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE));
                }
                
                // if any body has already started installation
                if (isInstallationStarted()) {
                        referenceMap.put("isInstallationStarted", true);
                        httpResponse.setContentType("text/html");
                        renderTemplate(PROGRESS_VM, referenceMap, httpResponse);
                        return;
                }
                if (DEFAULT_PAGE.equals(page)) {
                        // get props and render the first page
                        File runtimeProperties = getRuntimePropertiesFile();
                        if (!runtimeProperties.exists()) {
                                try {
                                        runtimeProperties.createNewFile();
                                        // reset the error objects in case of refresh
                                        wizardModel.canCreate = true;
                                        wizardModel.cannotCreateErrorMessage = "";
                                }
                                catch (IOException io) {
                                        wizardModel.canCreate = false;
                                        wizardModel.cannotCreateErrorMessage = io.getMessage();
                                }
                                // check this before deleting the file again
                                wizardModel.canWrite = runtimeProperties.canWrite();
                                
                                // delete the file again after testing the create/write
                                // so that if the user stops the webapp before finishing
                                // this wizard, they can still get back into it
                                runtimeProperties.delete();
                        } else {
                                wizardModel.canWrite = runtimeProperties.canWrite();
                                
                                wizardModel.databaseConnection = Context.getRuntimeProperties().getProperty("connection.url",
                                        wizardModel.databaseConnection);
                                
                                wizardModel.currentDatabaseUsername = Context.getRuntimeProperties().getProperty("connection.username",
                                        wizardModel.currentDatabaseUsername);
                                
                                wizardModel.currentDatabasePassword = Context.getRuntimeProperties().getProperty("connection.password",
                                        wizardModel.currentDatabasePassword);
                        }
                        
                        wizardModel.runtimePropertiesPath = runtimeProperties.getAbsolutePath();
                        
                        checkLocaleAttributes(httpRequest);
                        referenceMap.put(FilterUtil.LOCALE_ATTRIBUTE,
                                httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE));
                        log.info("Locale stored in session is " + httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE));
                        
                        httpResponse.setContentType("text/html");
                        // otherwise do step one of the wizard
                        renderTemplate(INSTALL_METHOD, referenceMap, httpResponse);
                } else if (INSTALL_METHOD.equals(page)) {
                        if (goBack(httpRequest)) {
                                referenceMap.put(FilterUtil.REMEMBER_ATTRIBUTE,
                                        httpRequest.getSession().getAttribute(FilterUtil.REMEMBER_ATTRIBUTE) != null);
                                referenceMap.put(FilterUtil.LOCALE_ATTRIBUTE,
                                        httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE));
                                renderTemplate(CHOOSE_LANG, referenceMap, httpResponse);
                                return;
                        }
                        wizardModel.installMethod = httpRequest.getParameter("install_method");
                        if (InitializationWizardModel.INSTALL_METHOD_SIMPLE.equals(wizardModel.installMethod)) {
                                page = SIMPLE_SETUP;
                        } else if (InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod)) {
                                page = TESTING_REMOTE_DETAILS_SETUP;
                                wizardModel.currentStepNumber = 1;
                                wizardModel.numberOfSteps = skipDatabaseSetupPage() ? 1 : 3;
                        } else {
                                page = DATABASE_SETUP;
                                wizardModel.currentStepNumber = 1;
                                wizardModel.numberOfSteps = 5;
                        }
                        renderTemplate(page, referenceMap, httpResponse);
                } // simple method
                else if (SIMPLE_SETUP.equals(page)) {
                        if (goBack(httpRequest)) {
                                renderTemplate(INSTALL_METHOD, referenceMap, httpResponse);
                                return;
                        }
                        wizardModel.databaseConnection = httpRequest.getParameter("database_connection");

                        wizardModel.createDatabaseUsername = Context.getRuntimeProperties().getProperty("connection.username",
                                wizardModel.createDatabaseUsername);
                        
                        wizardModel.createUserUsername = wizardModel.createDatabaseUsername;
                        
                        wizardModel.databaseRootPassword = httpRequest.getParameter("database_root_password");
                        checkForEmptyValue(wizardModel.databaseRootPassword, errors, ErrorMessageConstants.ERROR_DB_PSDW_REQ);
                        
                        wizardModel.hasCurrentOpenmrsDatabase = false;
                        wizardModel.createTables = true;
                        // default wizardModel.databaseName is openmrs
                        // default wizardModel.createDatabaseUsername is root
                        wizardModel.createDatabasePassword = wizardModel.databaseRootPassword;
                        wizardModel.addDemoData = "yes".equals(httpRequest.getParameter("add_demo_data"));
                        
                        wizardModel.hasCurrentDatabaseUser = false;
                        wizardModel.createDatabaseUser = true;
                        // default wizardModel.createUserUsername is root
                        wizardModel.createUserPassword = wizardModel.databaseRootPassword;
                        
                        wizardModel.moduleWebAdmin = true;
                        wizardModel.autoUpdateDatabase = false;
                        
                        wizardModel.adminUserPassword = InitializationWizardModel.ADMIN_DEFAULT_PASSWORD;
                        
                        createSimpleSetup(httpRequest.getParameter("database_root_password"), httpRequest.getParameter("add_demo_data"));
                        
                        try {
                                loadedDriverString = DatabaseUtil.loadDatabaseDriver(wizardModel.databaseConnection,
                                        wizardModel.databaseDriver);
                        }
                        catch (ClassNotFoundException e) {
                                errors.put(ErrorMessageConstants.ERROR_DB_DRIVER_CLASS_REQ, null);
                                renderTemplate(page, referenceMap, httpResponse);
                                return;
                        }
                        
                        if (errors.isEmpty()) {
                                page = WIZARD_COMPLETE;
                        }
                        renderTemplate(page, referenceMap, httpResponse);
                } // step one
                else if (DATABASE_SETUP.equals(page)) {
                        if (goBack(httpRequest)) {
                                wizardModel.currentStepNumber -= 1;
                                if (InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod)) {
                                        renderTemplate(TESTING_REMOTE_DETAILS_SETUP, referenceMap, httpResponse);
                                } else {
                                        renderTemplate(INSTALL_METHOD, referenceMap, httpResponse);
                                }
                                return;
                        }
                        
                        wizardModel.databaseConnection = httpRequest.getParameter("database_connection");
                        checkForEmptyValue(wizardModel.databaseConnection, errors, ErrorMessageConstants.ERROR_DB_CONN_REQ);
                        
                        wizardModel.databaseDriver = httpRequest.getParameter("database_driver");
                        checkForEmptyValue(wizardModel.databaseConnection, errors, ErrorMessageConstants.ERROR_DB_DRIVER_REQ);
                        
                        loadedDriverString = loadDriver(wizardModel.databaseConnection, wizardModel.databaseDriver);
                        if (!StringUtils.hasText(loadedDriverString)) {
                                errors.put(ErrorMessageConstants.ERROR_DB_DRIVER_CLASS_REQ, null);
                                renderTemplate(page, referenceMap, httpResponse);
                                return;
                        }
                        
                        //TODO make each bit of page logic a (unit testable) method
                        
                        // asked the user for their desired database name
                        
                        if ("yes".equals(httpRequest.getParameter("current_openmrs_database"))) {
                                wizardModel.databaseName = httpRequest.getParameter("openmrs_current_database_name");
                                checkForEmptyValue(wizardModel.databaseName, errors, ErrorMessageConstants.ERROR_DB_CURR_NAME_REQ);
                                wizardModel.hasCurrentOpenmrsDatabase = true;
                                // TODO check to see if this is an active database
                                
                        } else {
                                // mark this wizard as a "to create database" (done at the end)
                                wizardModel.hasCurrentOpenmrsDatabase = false;
                                
                                wizardModel.createTables = true;
                                
                                wizardModel.databaseName = httpRequest.getParameter("openmrs_new_database_name");
                                checkForEmptyValue(wizardModel.databaseName, errors, ErrorMessageConstants.ERROR_DB_NEW_NAME_REQ);
                                // TODO create database now to check if its possible?
                                
                                wizardModel.createDatabaseUsername = httpRequest.getParameter("create_database_username");
                                checkForEmptyValue(wizardModel.createDatabaseUsername, errors, ErrorMessageConstants.ERROR_DB_USER_NAME_REQ);
                                wizardModel.createDatabasePassword = httpRequest.getParameter("create_database_password");
                                checkForEmptyValue(wizardModel.createDatabasePassword, errors, ErrorMessageConstants.ERROR_DB_USER_PSWD_REQ);
                        }
                        
                        if (errors.isEmpty()) {
                                page = DATABASE_TABLES_AND_USER;
                                
                                if (InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod)) {
                                        wizardModel.currentStepNumber = 3;
                                } else {
                                        wizardModel.currentStepNumber = 2;
                                }
                        }
                        
                        renderTemplate(page, referenceMap, httpResponse);
                        
                } // step two
                else if (DATABASE_TABLES_AND_USER.equals(page)) {
                        
                        if (goBack(httpRequest)) {
                                wizardModel.currentStepNumber -= 1;
                                renderTemplate(DATABASE_SETUP, referenceMap, httpResponse);
                                return;
                        }
                        
                        if (wizardModel.hasCurrentOpenmrsDatabase) {
                                wizardModel.createTables = "yes".equals(httpRequest.getParameter("create_tables"));
                        }
                        
                        wizardModel.addDemoData = "yes".equals(httpRequest.getParameter("add_demo_data"));
                        
                        if ("yes".equals(httpRequest.getParameter("current_database_user"))) {
                                wizardModel.currentDatabaseUsername = httpRequest.getParameter("current_database_username");
                                checkForEmptyValue(wizardModel.currentDatabaseUsername, errors,
                                        ErrorMessageConstants.ERROR_DB_CUR_USER_NAME_REQ);
                                wizardModel.currentDatabasePassword = httpRequest.getParameter("current_database_password");
                                checkForEmptyValue(wizardModel.currentDatabasePassword, errors,
                                        ErrorMessageConstants.ERROR_DB_CUR_USER_PSWD_REQ);
                                wizardModel.hasCurrentDatabaseUser = true;
                                wizardModel.createDatabaseUser = false;
                        } else {
                                wizardModel.hasCurrentDatabaseUser = false;
                                wizardModel.createDatabaseUser = true;
                                // asked for the root mysql username/password
                                wizardModel.createUserUsername = httpRequest.getParameter("create_user_username");
                                checkForEmptyValue(wizardModel.createUserUsername, errors, ErrorMessageConstants.ERROR_DB_USER_NAME_REQ);
                                wizardModel.createUserPassword = httpRequest.getParameter("create_user_password");
                                checkForEmptyValue(wizardModel.createUserPassword, errors, ErrorMessageConstants.ERROR_DB_USER_PSWD_REQ);
                        }
                        
                        if (errors.isEmpty()) { // go to next page
                                page = InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod) ? WIZARD_COMPLETE
                                        : OTHER_RUNTIME_PROPS;
                        }
                        
                        renderTemplate(page, referenceMap, httpResponse);
                } // step three
                else if (OTHER_RUNTIME_PROPS.equals(page)) {
                        
                        if (goBack(httpRequest)) {
                                renderTemplate(DATABASE_TABLES_AND_USER, referenceMap, httpResponse);
                                return;
                        }
                        
                        wizardModel.moduleWebAdmin = "yes".equals(httpRequest.getParameter("module_web_admin"));
                        wizardModel.autoUpdateDatabase = "yes".equals(httpRequest.getParameter("auto_update_database"));
                        
                        if (wizardModel.createTables) { // go to next page if they are creating tables
                                page = ADMIN_USER_SETUP;
                        } else { // skip a page
                                page = IMPLEMENTATION_ID_SETUP;
                        }
                        
                        renderTemplate(page, referenceMap, httpResponse);
                        
                } // optional step four
                else if (ADMIN_USER_SETUP.equals(page)) {
                        
                        if (goBack(httpRequest)) {
                                renderTemplate(OTHER_RUNTIME_PROPS, referenceMap, httpResponse);
                                return;
                        }
                        
                        wizardModel.adminUserPassword = httpRequest.getParameter("new_admin_password");
                        String adminUserConfirm = httpRequest.getParameter("new_admin_password_confirm");
                        
                        // throw back to admin user if passwords don't match
                        if (!wizardModel.adminUserPassword.equals(adminUserConfirm)) {
                                errors.put(ErrorMessageConstants.ERROR_DB_ADM_PSWDS_MATCH, null);
                                renderTemplate(ADMIN_USER_SETUP, referenceMap, httpResponse);
                                return;
                        }
                        
                        // throw back if the user didn't put in a password
                        if ("".equals(wizardModel.adminUserPassword)) {
                                errors.put(ErrorMessageConstants.ERROR_DB_ADM_PSDW_EMPTY, null);
                                renderTemplate(ADMIN_USER_SETUP, referenceMap, httpResponse);
                                return;
                        }
                        
                        try {
                                OpenmrsUtil.validatePassword("admin", wizardModel.adminUserPassword, "admin");
                        }
                        catch (PasswordException p) {
                                errors.put(ErrorMessageConstants.ERROR_DB_ADM_PSDW_WEAK, null);
                                renderTemplate(ADMIN_USER_SETUP, referenceMap, httpResponse);
                                return;
                        }
                        
                        if (errors.isEmpty()) { // go to next page
                                page = IMPLEMENTATION_ID_SETUP;
                        }
                        
                        renderTemplate(page, referenceMap, httpResponse);
                        
                } // optional step five
                else if (IMPLEMENTATION_ID_SETUP.equals(page)) {
                        
                        if (goBack(httpRequest)) {
                                if (wizardModel.createTables) {
                                        renderTemplate(ADMIN_USER_SETUP, referenceMap, httpResponse);
                                } else {
                                        renderTemplate(OTHER_RUNTIME_PROPS, referenceMap, httpResponse);
                                }
                                return;
                        }
                        
                        wizardModel.implementationIdName = httpRequest.getParameter("implementation_name");
                        wizardModel.implementationId = httpRequest.getParameter("implementation_id");
                        wizardModel.implementationIdPassPhrase = httpRequest.getParameter("pass_phrase");
                        wizardModel.implementationIdDescription = httpRequest.getParameter("description");
                        
                        // throw back if the user-specified ID is invalid (contains ^ or |).
                        if (wizardModel.implementationId.indexOf('^') != -1 || wizardModel.implementationId.indexOf('|') != -1) {
                                errors.put(ErrorMessageConstants.ERROR_DB_IMPL_ID_REQ, null);
                                renderTemplate(IMPLEMENTATION_ID_SETUP, referenceMap, httpResponse);
                                return;
                        }
                        
                        if (errors.isEmpty()) { // go to next page
                                page = WIZARD_COMPLETE;
                        }
                        
                        renderTemplate(page, referenceMap, httpResponse);
                } else if (WIZARD_COMPLETE.equals(page)) {
                        
                        if (goBack(httpRequest)) {
                                
                                if (InitializationWizardModel.INSTALL_METHOD_SIMPLE.equals(wizardModel.installMethod)) {
                                        page = SIMPLE_SETUP;
                                } else if (InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod)) {
                                        if (skipDatabaseSetupPage()) {
                                                page = TESTING_REMOTE_DETAILS_SETUP;
                                        } else {
                                                page = DATABASE_TABLES_AND_USER;
                                        }
                                } else {
                                        page = IMPLEMENTATION_ID_SETUP;
                                }
                                renderTemplate(page, referenceMap, httpResponse);
                                return;
                        }
                        
                        wizardModel.tasksToExecute = new ArrayList<>();
                        createDatabaseTask();
                        if (InitializationWizardModel.INSTALL_METHOD_TESTING.equals(wizardModel.installMethod)) {
                                wizardModel.importTestData = true;
                                wizardModel.createTables = false;
                                wizardModel.addDemoData = false;
                                //if we have a runtime properties file
                                if (skipDatabaseSetupPage()) {
                                        wizardModel.hasCurrentOpenmrsDatabase = false;
                                        wizardModel.hasCurrentDatabaseUser = true;
                                        wizardModel.createDatabaseUser = false;
                                        Properties props = OpenmrsUtil.getRuntimeProperties(WebConstants.WEBAPP_NAME);
                                        wizardModel.currentDatabaseUsername = props.getProperty("connection.username");
                                        wizardModel.currentDatabasePassword = props.getProperty("connection.password");
                                        wizardModel.createDatabaseUsername = wizardModel.currentDatabaseUsername;
                                        wizardModel.createDatabasePassword = wizardModel.currentDatabasePassword;
                                }
                                
                                wizardModel.tasksToExecute.add(WizardTask.IMPORT_TEST_DATA);
                                wizardModel.tasksToExecute.add(WizardTask.ADD_MODULES);
                        } else {
                                createTablesTask();
                                createDemoDataTask();
                        }
                        wizardModel.tasksToExecute.add(WizardTask.UPDATE_TO_LATEST);
                        
                        referenceMap.put("tasksToExecute", wizardModel.tasksToExecute);
                        startInstallation();
                        renderTemplate(PROGRESS_VM, referenceMap, httpResponse);
                } else if (TESTING_REMOTE_DETAILS_SETUP.equals(page)) {
                        if (goBack(httpRequest)) {
                                wizardModel.currentStepNumber -= 1;
                                renderTemplate(INSTALL_METHOD, referenceMap, httpResponse);
                                return;
                        }
                        
                        wizardModel.remoteUrl = httpRequest.getParameter("remoteUrl");
                        checkForEmptyValue(wizardModel.remoteUrl, errors, "install.testing.remote.url.required");
                        if (errors.isEmpty()) {
                                //Check if the remote system is running
                                if (TestInstallUtil.testConnection(wizardModel.remoteUrl)) {
                                        //Check if the test module is installed by connecting to its setting page
                                        if (TestInstallUtil
                                                .testConnection(wizardModel.remoteUrl.concat(RELEASE_TESTING_MODULE_PATH + "settings.htm"))) {
                                                
                                                wizardModel.remoteUsername = httpRequest.getParameter("username");
                                                wizardModel.remotePassword = httpRequest.getParameter("password");
                                                checkForEmptyValue(wizardModel.remoteUsername, errors, "install.testing.username.required");
                                                checkForEmptyValue(wizardModel.remotePassword, errors, "install.testing.password.required");
                                                
                                                if (errors.isEmpty()) {
                                                        //check if the username and password are valid
                                                        try {
                                                                TestInstallUtil.getResourceInputStream(
                                                                        wizardModel.remoteUrl + RELEASE_TESTING_MODULE_PATH + "verifycredentials.htm",
                                                                        wizardModel.remoteUsername, wizardModel.remotePassword);
                                                        }
                                                        catch (APIAuthenticationException e) {
                                                                log.debug("Error generated: ", e);
                                                                page = TESTING_REMOTE_DETAILS_SETUP;
                                                                errors.put(ErrorMessageConstants.UPDATE_ERROR_UNABLE_AUTHENTICATE, null);
                                                                renderTemplate(page, referenceMap, httpResponse);
                                                                return;
                                                        }
                                                        
                                                        //If we have a runtime properties file, get the database setup details from it
                                                        if (skipDatabaseSetupPage()) {
                                                                Properties props = OpenmrsUtil.getRuntimeProperties(WebConstants.WEBAPP_NAME);
                                                                wizardModel.databaseConnection = props.getProperty("connection.url");
                                                                loadedDriverString = loadDriver(wizardModel.databaseConnection, wizardModel.databaseDriver);
                                                                if (!StringUtils.hasText(loadedDriverString)) {
                                                                        page = TESTING_REMOTE_DETAILS_SETUP;
                                                                        errors.put(ErrorMessageConstants.ERROR_DB_DRIVER_CLASS_REQ, null);
                                                                        renderTemplate(page, referenceMap, httpResponse);
                                                                        return;
                                                                }
                                                                
                                                                wizardModel.databaseName = InitializationWizardModel.DEFAULT_DATABASE_NAME;
                                                                page = WIZARD_COMPLETE;
                                                        } else {
                                                                page = DATABASE_SETUP;
                                                                wizardModel.currentStepNumber = 2;
                                                        }
                                                        msgs.put("install.testing.testingModuleFound", null);
                                                } else {
                                                        renderTemplate(page, referenceMap, httpResponse);
                                                        return;
                                                }
                                        } else {
                                                errors.put("install.testing.noTestingModule", null);
                                        }
                                } else {
                                        errors.put("install.testing.invalidProductionUrl", new Object[] { wizardModel.remoteUrl });
                                }
                        }
                        
                        SessionModelUtils.saveToSession(httpRequest.getSession(), wizardModel);
                        renderTemplate(page, referenceMap, httpResponse);
                }
        }
        
        private void startInstallation() {
                //if no one has run any installation
                if (!isInstallationStarted()) {
                        initJob = new InitializationCompletion();
                        setInstallationStarted(true);
                        initJob.start();
                }
        }
        
        private void createDemoDataTask() {
                if (wizardModel.addDemoData) {
                        wizardModel.tasksToExecute.add(WizardTask.ADD_DEMO_DATA);
                }
        }
        
        private void createTablesTask() {
                if (wizardModel.createTables) {
                        wizardModel.tasksToExecute.add(WizardTask.CREATE_TABLES);
                        wizardModel.tasksToExecute.add(WizardTask.ADD_CORE_DATA);
                }
        }
        
        private void createDatabaseTask() {
                if (!wizardModel.hasCurrentOpenmrsDatabase) {
                        wizardModel.tasksToExecute.add(WizardTask.CREATE_SCHEMA);
                }
                if (wizardModel.createDatabaseUser) {
                        wizardModel.tasksToExecute.add(WizardTask.CREATE_DB_USER);
                }
        }
        
        private void createSimpleSetup(String databaseRootPassword, String addDemoData) {
                setDatabaseNameIfInTestMode();
                wizardModel.databaseConnection = Context.getRuntimeProperties().getProperty("connection.url",
                        wizardModel.databaseConnection);
                
                wizardModel.createDatabaseUsername = Context.getRuntimeProperties().getProperty("connection.username",
                        wizardModel.createDatabaseUsername);
                
                wizardModel.createUserUsername = wizardModel.createDatabaseUsername;
                
                wizardModel.databaseRootPassword = databaseRootPassword;
                checkForEmptyValue(wizardModel.databaseRootPassword, errors, ErrorMessageConstants.ERROR_DB_PSDW_REQ);
                
                wizardModel.hasCurrentOpenmrsDatabase = false;
                wizardModel.createTables = true;
                // default wizardModel.databaseName is openmrs
                // default wizardModel.createDatabaseUsername is root
                wizardModel.createDatabasePassword = wizardModel.databaseRootPassword;
                wizardModel.addDemoData = "yes".equals(addDemoData);
                
                wizardModel.hasCurrentDatabaseUser = false;
                wizardModel.createDatabaseUser = true;
                // default wizardModel.createUserUsername is root
                wizardModel.createUserPassword = wizardModel.databaseRootPassword;
                
                wizardModel.moduleWebAdmin = true;
                wizardModel.autoUpdateDatabase = false;
                
                wizardModel.adminUserPassword = InitializationWizardModel.ADMIN_DEFAULT_PASSWORD;
        }
        
        private void setDatabaseNameIfInTestMode() {
                if (OpenmrsUtil.isTestMode()) {
                        wizardModel.databaseName = OpenmrsUtil.getOpenMRSVersionInTestMode();
                }
        }
        
        private void autoRunOpenMRS(HttpServletRequest httpRequest) {
                File runtimeProperties = getRuntimePropertiesFile();
                wizardModel.runtimePropertiesPath = runtimeProperties.getAbsolutePath();
                
                if (!InitializationWizardModel.INSTALL_METHOD_AUTO.equals(wizardModel.installMethod)) {
                        if (httpRequest.getParameter("database_user_name") != null) {
                                wizardModel.createDatabaseUsername = httpRequest.getParameter("database_user_name");
                        }
                        
                        createSimpleSetup(httpRequest.getParameter("database_root_password"), "yes");
                }
                
                checkLocaleAttributes(httpRequest);
                try {
                        loadedDriverString = DatabaseUtil.loadDatabaseDriver(wizardModel.databaseConnection, wizardModel.databaseDriver);
                }
                catch (ClassNotFoundException e) {
                        errors.put(ErrorMessageConstants.ERROR_DB_DRIVER_CLASS_REQ, null);
                        return;
                }
                wizardModel.tasksToExecute = new ArrayList<>();
                createDatabaseTask();
                createTablesTask();
                createDemoDataTask();
                wizardModel.tasksToExecute.add(WizardTask.UPDATE_TO_LATEST);
                startInstallation();
        }
        
        /**
         * This method should be called after the user has left wizard's first page (i.e. choose language).
         * It checks if user has changed any of locale related parameters and makes appropriate corrections
         * with filter's model or/and with locale attribute inside user's session.
         *
         * @param httpRequest the http request object
         */
        private void checkLocaleAttributes(HttpServletRequest httpRequest) {
                String localeParameter = httpRequest.getParameter(FilterUtil.LOCALE_ATTRIBUTE);
                Boolean rememberLocale = false;
                // we need to check if user wants that system will remember his selection of language
                if (httpRequest.getParameter(FilterUtil.REMEMBER_ATTRIBUTE) != null) {
                        rememberLocale = true;
                }
                if (localeParameter != null) {
                        String storedLocale = null;
                        if (httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE) != null) {
                                storedLocale = httpRequest.getSession().getAttribute(FilterUtil.LOCALE_ATTRIBUTE).toString();
                        }
                        // if user has changed locale parameter to new one
                        // or chooses it parameter at first page loading
                        if (storedLocale == null || !storedLocale.equals(localeParameter)) {
                                log.info("Stored locale parameter to session " + localeParameter);
                                httpRequest.getSession().setAttribute(FilterUtil.LOCALE_ATTRIBUTE, localeParameter);
                        }
                        if (rememberLocale) {
                                httpRequest.getSession().setAttribute(FilterUtil.LOCALE_ATTRIBUTE, localeParameter);
                                httpRequest.getSession().setAttribute(FilterUtil.REMEMBER_ATTRIBUTE, true);
                                wizardModel.localeToSave = localeParameter;
                        } else {
                                // we need to reset it if it was set before
                                httpRequest.getSession().setAttribute(FilterUtil.REMEMBER_ATTRIBUTE, null);
                                wizardModel.localeToSave = null;
                        }
                }
        }
        
        /**
         * It sets locale parameter for current session when user is making first GET http request to
         * application. It retrieves user locale from request object and checks if this locale is supported
         * by application. If not, it uses {@link Locale#ENGLISH} by default
         *
         * @param httpRequest the http request object
         */
        public void checkLocaleAttributesForFirstTime(HttpServletRequest httpRequest) {
                Locale locale = httpRequest.getLocale();
                if (CustomResourceLoader.getInstance(httpRequest).getAvailablelocales().contains(locale)) {
                        httpRequest.getSession().setAttribute(FilterUtil.LOCALE_ATTRIBUTE, locale.toString());
                } else {
                        httpRequest.getSession().setAttribute(FilterUtil.LOCALE_ATTRIBUTE, Locale.ENGLISH.toString());
                }
        }
        
        /**
         * Verify the database connection works.
         *
         * @param connectionUsername
         * @param connectionPassword
         * @param databaseConnectionFinalUrl
         * @return true/false whether it was verified or not
         */
        private boolean verifyConnection(String connectionUsername, String connectionPassword,
                String databaseConnectionFinalUrl) {
                try {
                        // verify connection
                        //Set Database Driver using driver String
                        Class.forName(loadedDriverString).newInstance();
                        Connection tempConnection = DriverManager.getConnection(databaseConnectionFinalUrl, connectionUsername,
                                connectionPassword);
                        tempConnection.close();
                        return true;
                        
                }
                catch (Exception e) {
                        errors.put("User account " + connectionUsername + " does not work. " + e.getMessage()
                                        + " See the error log for more details",
                                null); // TODO internationalize this
                        log.warn("Error while checking the connection user account", e);
                        return false;
                }
        }
        
        /**
         * Convenience method to load the runtime properties file.
         *
         * @return the runtime properties file.
         */
        private File getRuntimePropertiesFile() {
                File file;
                
                String pathName = OpenmrsUtil.getRuntimePropertiesFilePathName(WebConstants.WEBAPP_NAME);
                if (pathName != null) {
                        file = new File(pathName);
                } else {
                        file = new File(OpenmrsUtil.getApplicationDataDirectory(), getRuntimePropertiesFileName());
                }
                
                log.debug("Using file: " + file.getAbsolutePath());
                
                return file;
        }
        
        private String getRuntimePropertiesFileName() {
                String fileName = OpenmrsUtil.getRuntimePropertiesFileNameInTestMode();
                if (fileName == null) {
                        fileName = WebConstants.WEBAPP_NAME + "-runtime.properties";
                }
                return fileName;
        }
        
        /**
         * @see org.openmrs.web.filter.StartupFilter#getTemplatePrefix()
         */
        @Override
        protected String getTemplatePrefix() {
                return "org/openmrs/web/filter/initialization/";
        }
        
        /**
         * @see org.openmrs.web.filter.StartupFilter#getUpdateFilterModel()
         */
        @Override
        protected Object getUpdateFilterModel() {
                return wizardModel;
        }
        
        /**
         * @see org.openmrs.web.filter.StartupFilter#skipFilter(HttpServletRequest)
         */
        @Override
        public boolean skipFilter(HttpServletRequest httpRequest) {
                // If progress.vm makes an ajax request even immediately after initialization has completed
                // let the request pass in order to let progress.vm load the start page of OpenMRS
                // (otherwise progress.vm is displayed "forever")
                return !PROGRESS_VM_AJAXREQUEST.equals(httpRequest.getParameter("page")) && !initializationRequired();
        }
        
        /**
         * Public method that returns true if database+runtime properties initialization is required
         *
         * @return true if this initialization wizard needs to run
         */
        public static boolean initializationRequired() {
                return !isInitializationComplete();
        }
        
        /**
         * @param isInstallationStarted the value to set
         */
        protected static synchronized void setInstallationStarted(boolean isInstallationStarted) {
                InitializationFilter.isInstallationStarted = isInstallationStarted;
        }
        
        /**
         * @return true if installation has been started
         */
        protected static boolean isInstallationStarted() {
                return isInstallationStarted;
        }
        
        /**
         * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
         */
        @Override
        public void init(FilterConfig filterConfig) throws ServletException {
                super.init(filterConfig);
                wizardModel = new InitializationWizardModel();
                DatabaseDetective databaseDetective = new DatabaseDetective();
                //set whether need to do initialization work
                if (databaseDetective.isDatabaseEmpty(OpenmrsUtil.getRuntimeProperties(WebConstants.WEBAPP_NAME))) {
                        //if runtime-properties file doesn't exist, have to do initialization work
                        setInitializationComplete(false);
                } else {
                        //if database is not empty, then let UpdaterFilter to judge whether need database update
                        setInitializationComplete(true);
                }
        }
        
        private void importTestDataSet(InputStream in, String connectionUrl, String connectionUsername,
                String connectionPassword) throws IOException {
                File tempFile = null;
                FileOutputStream fileOut = null;
                try {
                        ZipInputStream zipIn = new ZipInputStream(in);
                        zipIn.getNextEntry();
                        
                        tempFile = File.createTempFile("testDataSet", "dump");
                        fileOut = new FileOutputStream(tempFile);
                        
                        IOUtils.copy(zipIn, fileOut);
                        
                        fileOut.close();
                        zipIn.close();
                        
                        //Cater for the stand-alone connection url with has :mxj:
                        if (connectionUrl.contains(":mxj:")) {
                                connectionUrl = connectionUrl.replace(":mxj:", ":");
                        }
                        
                        URI uri = URI.create(connectionUrl.substring(5)); //remove 'jdbc:' prefix to conform to the URI format
                        String host = uri.getHost();
                        int port = uri.getPort();
                        
                        TestInstallUtil.addTestData(host, port, wizardModel.databaseName, connectionUsername, connectionPassword,
                                tempFile.getAbsolutePath());
                }
                finally {
                        IOUtils.closeQuietly(in);
                        IOUtils.closeQuietly(fileOut);
                        
                        if (tempFile != null) {
                                tempFile.delete();
                        }
                }
        }
        
        private boolean isCurrentDatabase(String database) {
                return wizardModel.databaseConnection.contains(database);
        }
        
        /**
         * @param silent if this statement fails do not display stack trace or record an error in the wizard
         *            object.
         * @param user username to connect with
         * @param pw password to connect with
         * @param sql String containing sql and question marks
         * @param args the strings to fill into the question marks in the given sql
         * @return result of executeUpdate or -1 for error
         */
        private int executeStatement(boolean silent, String user, String pw, String sql, String... args) {
                
                Connection connection = null;
                Statement statement = null;
                try {
                        String replacedSql = sql;
                        
                        // TODO how to get the driver for the other dbs...
                        if (isCurrentDatabase(DATABASE_MYSQL)) {
                                Class.forName("com.mysql.cj.jdbc.Driver").newInstance();
                        } else if (isCurrentDatabase(DATABASE_POSTGRESQL)) {
                                Class.forName("org.postgresql.Driver").newInstance();
                                replacedSql = replacedSql.replaceAll("`", "\"");
                        } else {
                                replacedSql = replacedSql.replaceAll("`", "\"");
                        }
                        
                        String tempDatabaseConnection;
                        if (sql.contains("create database")) {
                                tempDatabaseConnection = wizardModel.databaseConnection.replace("@DBNAME@",
                                        ""); // make this dbname agnostic so we can create the db
                        } else {
                                tempDatabaseConnection = wizardModel.databaseConnection.replace("@DBNAME@", wizardModel.databaseName);
                        }
                        
                        connection = DriverManager.getConnection(tempDatabaseConnection, user, pw);
                        
                        for (String arg : args) {
                                arg = arg.replace(";", "&#094"); // to prevent any sql injection
                                replacedSql = replacedSql.replaceFirst("\\?", arg);
                        }
                        
                        // run the sql statement
                        statement = connection.createStatement();
                        
                        return statement.executeUpdate(replacedSql);
                        
                }
                catch (SQLException sqlex) {
                        if (!silent) {
                                // log and add error
                                log.warn("error executing sql: " + sql, sqlex);
                                errors.put("Error executing sql: " + sql + " - " + sqlex.getMessage(), null);
                        }
                }
                catch (InstantiationException | ClassNotFoundException | IllegalAccessException e) {
                        log.error("Error generated", e);
                }
                finally {
                        try {
                                if (statement != null) {
                                        statement.close();
                                }
                        }
                        catch (SQLException e) {
                                log.warn("Error while closing statement");
                        }
                        try {
                                
                                if (connection != null) {
                                        connection.close();
                                }
                        }
                        catch (Exception e) {
                                log.warn("Error while closing connection", e);
                        }
                }
                
                return -1;
        }
        
        /**
         * Convenience variable to know if this wizard has completed successfully and that this wizard does
         * not need to be executed again
         *
         * @return true if this has been run already
         */
        private static synchronized boolean isInitializationComplete() {
                return initializationComplete;
        }
        
        /**
         * Checks if the given string value is empty or contains only whitespace. 
         * If it is, an error is added to the provided errors map with the specified error message code.
         *
         * @param value            the string to check
         * @param errors           the list of errors to append the errorMessage to if value is empty
         * @param errorMessageCode the string with code of error message translation to append if value is
         *                         empty
         */
        private void checkForEmptyValue(String value, Map<String, Object[]> errors, String errorMessageCode) {
                if (!StringUtils.hasText(value)) {
                        errors.put(errorMessageCode, null);
                }
        }
        
        /**
         * Separate thread that will run through all tasks to complete the initialization. The database is
         * created, user's created, etc here
         */
        private class InitializationCompletion {
                
                private final Future<Void> future;
                
                private int steps = 0;
                
                private String message = "";
                
                private Map<String, Object[]> errors = new HashMap<>();
                
                private String errorPage = null;
                
                private boolean erroneous = false;
                
                private int completedPercentage = 0;
                
                private WizardTask executingTask;
                
                private List<WizardTask> executedTasks = new ArrayList<>();
                
                public synchronized void reportError(String error, String errorPage, Object... params) {
                        errors.put(error, params);
                        this.errorPage = errorPage;
                        erroneous = true;
                }
                
                public synchronized boolean hasErrors() {
                        return erroneous;
                }
                
                public synchronized String getErrorPage() {
                        return errorPage;
                }
                
                public synchronized Map<String, Object[]> getErrors() {
                        return errors;
                }
                
                /**
                 * Start the completion stage. This fires up the thread to do all the work.
                 */
                public void start() {
                        setStepsComplete(0);
                        setInitializationComplete(false);
                }
                
                public void waitForCompletion() {
                        try {
                                future.get();
                        } catch (InterruptedException | ExecutionException e) {
                                throw new RuntimeException(e);
                        }
                }
                
                protected synchronized void setStepsComplete(int steps) {
                        this.steps = steps;
                }
                
                protected synchronized int getStepsComplete() {
                        return steps;
                }
                
                public synchronized String getMessage() {
                        return message;
                }
                
                public synchronized void setMessage(String message) {
                        this.message = message;
                        setStepsComplete(getStepsComplete() + 1);
                }
                
                /**
                 * @return the executingTask
                 */
                protected synchronized WizardTask getExecutingTask() {
                        return executingTask;
                }
                
                /**
                 * @return the completedPercentage
                 */
                protected synchronized int getCompletedPercentage() {
                        return completedPercentage;
                }
                
                /**
                 * @param completedPercentage the completedPercentage to set
                 */
                protected synchronized void setCompletedPercentage(int completedPercentage) {
                        this.completedPercentage = completedPercentage;
                }
                
                /**
                 * Adds a task that has been completed to the list of executed tasks
                 *
                 * @param task
                 */
                protected synchronized void addExecutedTask(WizardTask task) {
                        this.executedTasks.add(task);
                }
                
                /**
                 * @param executingTask the executingTask to set
                 */
                protected synchronized void setExecutingTask(WizardTask executingTask) {
                        this.executingTask = executingTask;
                }
                
                /**
                 * @return the executedTasks
                 */
                protected synchronized List<WizardTask> getExecutedTasks() {
                        return this.executedTasks;
                }
                
                /**
                 * This class does all the work of creating the desired database, user, updates, etc
                 */
                public InitializationCompletion() {
                        Runnable r = new Runnable() {
                                
                                /**
                                 * TODO split this up into multiple testable methods
                                 *
                                 * @see java.lang.Runnable#run()
                                 */
                                @Override
                                public void run() {
                                        try {
                                                String connectionUsername;
                                                StringBuilder connectionPassword = new StringBuilder();
                                                ChangeLogDetective changeLogDetective = ChangeLogDetective.getInstance();
                                                ChangeLogVersionFinder changeLogVersionFinder = new ChangeLogVersionFinder();
                                                
                                                if (!wizardModel.hasCurrentOpenmrsDatabase) {
                                                        setMessage("Create database");
                                                        setExecutingTask(WizardTask.CREATE_SCHEMA);
                                                        // connect via jdbc and create a database
                                                        String sql;
                                                        if (isCurrentDatabase(DATABASE_MYSQL)) {
                                                                sql = "create database if not exists `?` default character set utf8";
                                                        } else if (isCurrentDatabase(DATABASE_POSTGRESQL)) {
                                                                sql = "create database `?` encoding 'utf8'";
                                                        } else if (isCurrentDatabase(DATABASE_H2)) {
                                                                sql = null;
                                                        } else {
                                                                sql = "create database `?`";
                                                        }
                                                        
                                                        int result;
                                                        if (sql != null) {
                                                                result = executeStatement(false, wizardModel.createDatabaseUsername,
                                                                        wizardModel.createDatabasePassword, sql, wizardModel.databaseName);
                                                        } else {
                                                                result = 1;
                                                        }
                                                        // throw the user back to the main screen if this error occurs
                                                        if (result < 0) {
                                                                reportError(ErrorMessageConstants.ERROR_DB_CREATE_NEW, DEFAULT_PAGE);
                                                                return;
                                                        } else {
                                                                wizardModel.workLog.add("Created database " + wizardModel.databaseName);
                                                        }
                                                        
                                                        addExecutedTask(WizardTask.CREATE_SCHEMA);
                                                }
                                                
                                                if (wizardModel.createDatabaseUser) {
                                                        setMessage("Create database user");
                                                        setExecutingTask(WizardTask.CREATE_DB_USER);
                                                        connectionUsername = wizardModel.databaseName + "_user";
                                                        if (connectionUsername.length() > 16) {
                                                                connectionUsername = wizardModel.databaseName.substring(0, 11)
                                                                        + "_user"; // trim off enough to leave space for _user at the end
                                                        }
                                                        
                                                        connectionPassword.append("");
                                                        // generate random password from this subset of alphabet
                                                        // intentionally left out these characters: ufsb$() to prevent certain words forming randomly
                                                        String chars = "acdeghijklmnopqrtvwxyzACDEGHIJKLMNOPQRTVWXYZ0123456789.|~@#^&";
                                                        Random r = new Random();
                                                        StringBuilder randomStr = new StringBuilder("");
                                                        for (int x = 0; x < 12; x++) {
                                                                randomStr.append(chars.charAt(r.nextInt(chars.length())));
                                                        }
                                                        connectionPassword.append(randomStr);
                                                        
                                                        // connect via jdbc with root user and create an openmrs user
                                                        String host = "'%'";
                                                        if (wizardModel.databaseConnection.contains("localhost")
                                                                || wizardModel.databaseConnection.contains("127.0.0.1")) {
                                                                host = "'localhost'";
                                                        }
                                                        
                                                        String sql = "";
                                                        if (isCurrentDatabase(DATABASE_MYSQL)) {
                                                                sql = "drop user '?'@" + host;
                                                        } else if (isCurrentDatabase(DATABASE_POSTGRESQL)) {
                                                                sql = "drop user `?`";
                                                        }
                                                        
                                                        executeStatement(true, wizardModel.createUserUsername, wizardModel.createUserPassword, sql,
                                                                connectionUsername);
                                                        
                                                        if (isCurrentDatabase(DATABASE_MYSQL)) {
                                                                sql = "create user '?'@" + host + " identified by '?'";
                                                        } else if (isCurrentDatabase(DATABASE_POSTGRESQL)) {
                                                                sql = "create user `?` with password '?'";
                                                        }
                                                        
                                                        if (-1 != executeStatement(false, wizardModel.createUserUsername, wizardModel.createUserPassword,
                                                                sql, connectionUsername, connectionPassword.toString())) {
                                                                wizardModel.workLog.add("Created user " + connectionUsername);
                                                        } else {
                                                                // if error occurs stop
                                                                reportError(ErrorMessageConstants.ERROR_DB_CREATE_DB_USER, DEFAULT_PAGE);
                                                                return;
                                                        }
                                                        
                                                        // grant the roles
                                                        int result = 1;
                                                        if (isCurrentDatabase(DATABASE_MYSQL)) {
                                                                sql = "GRANT ALL ON `?`.* TO '?'@" + host;
                                                                result = executeStatement(false, wizardModel.createUserUsername,
                                                                        wizardModel.createUserPassword, sql, wizardModel.databaseName, connectionUsername);
                                                        } else if (isCurrentDatabase(DATABASE_POSTGRESQL)) {
                                                                sql = "ALTER USER `?` WITH SUPERUSER";
                                                                result = executeStatement(false, wizardModel.createUserUsername,
                                                                        wizardModel.createUserPassword, sql, connectionUsername);
                                                        }
                                                        
                                                        // throw the user back to the main screen if this error occurs
                                                        if (result < 0) {
                                                                reportError(ErrorMessageConstants.ERROR_DB_GRANT_PRIV, DEFAULT_PAGE);
                                                                return;
                                                        } else {
                                                                wizardModel.workLog.add("Granted user " + connectionUsername + " all privileges to database "
                                                                        + wizardModel.databaseName);
                                                        }
                                                        
                                                        addExecutedTask(WizardTask.CREATE_DB_USER);
                                                } else {
                                                        connectionUsername = wizardModel.currentDatabaseUsername;
                                                        connectionPassword.setLength(0);
                                                        connectionPassword.append(wizardModel.currentDatabasePassword);
                                                }
                                                
                                                String finalDatabaseConnectionString = wizardModel.databaseConnection.replace("@DBNAME@",
                                                        wizardModel.databaseName);
                                                
                                                finalDatabaseConnectionString = finalDatabaseConnectionString.replace("@APPLICATIONDATADIR@",
                                                        OpenmrsUtil.getApplicationDataDirectory().replace("\\", "/"));
                                                
                                                // verify that the database connection works
                                                if (!verifyConnection(connectionUsername, connectionPassword.toString(),
                                                        finalDatabaseConnectionString)) {
                                                        setMessage("Verify that the database connection works");
                                                        // redirect to setup page if we got an error
                                                        reportError("Unable to connect to database", DEFAULT_PAGE);
                                                        return;
                                                }
                                                
                                                // save the properties for startup purposes
                                                Properties runtimeProperties = new Properties();
                                                
                                                runtimeProperties.put("connection.url", finalDatabaseConnectionString);
                                                runtimeProperties.put("connection.username", connectionUsername);
                                                runtimeProperties.put("connection.password", connectionPassword.toString());
                                                if (StringUtils.hasText(wizardModel.databaseDriver)) {
                                                        runtimeProperties.put("connection.driver_class", wizardModel.databaseDriver);
                                                }
                                                if (finalDatabaseConnectionString.contains(DATABASE_POSTGRESQL)) {
                                                        runtimeProperties.put("hibernate.dialect", "org.hibernate.dialect.PostgreSQL82Dialect");
                                                }
                                                if (finalDatabaseConnectionString.contains(DATABASE_SQLSERVER)) {
                                                        runtimeProperties.put("hibernate.dialect", "org.hibernate.dialect.SQLServerDialect");
                                                }
                                                if (finalDatabaseConnectionString.contains(DATABASE_H2)) {
                                                        runtimeProperties.put("hibernate.dialect", "org.hibernate.dialect.H2Dialect");
                                                }
                                                runtimeProperties.put("module.allow_web_admin", wizardModel.moduleWebAdmin.toString());
                                                runtimeProperties.put("auto_update_database", wizardModel.autoUpdateDatabase.toString());
                                                final Encoder base64 = Base64.getEncoder();
                                                runtimeProperties.put(OpenmrsConstants.ENCRYPTION_VECTOR_RUNTIME_PROPERTY,
                                                        new String(base64.encode(Security.generateNewInitVector()), StandardCharsets.UTF_8));
                                                runtimeProperties.put(OpenmrsConstants.ENCRYPTION_KEY_RUNTIME_PROPERTY,
                                                        new String(base64.encode(Security.generateNewSecretKey()), StandardCharsets.UTF_8));
                                                
                                                Properties properties = Context.getRuntimeProperties();
                                                properties.putAll(runtimeProperties);
                                                runtimeProperties = properties;
                                                Context.setRuntimeProperties(runtimeProperties);
                                                
                                                /**
                                                 * A callback class that prints out info about liquibase changesets
                                                 */
                                                class PrintingChangeSetExecutorCallback implements ChangeSetExecutorCallback {
                                                        
                                                        private int i = 1;
                                                        
                                                        private String message;
                                                        
                                                        public PrintingChangeSetExecutorCallback(String message) {
                                                                this.message = message;
                                                        }
                                                        
                                                        /**
                                                         * @see ChangeSetExecutorCallback#executing(liquibase.changelog.ChangeSet, int)
                                                         */
                                                        @Override
                                                        public void executing(ChangeSet changeSet, int numChangeSetsToRun) {
                                                                setMessage(message + " (" + i++ + "/" + numChangeSetsToRun + "): Author: "
                                                                        + changeSet.getAuthor() + " Comments: " + changeSet.getComments() + " Description: "
                                                                        + changeSet.getDescription());
                                                                float numChangeSetsToRunFloat = (float) numChangeSetsToRun;
                                                                float j = (float) i;
                                                                setCompletedPercentage(Math.round(j * 100 / numChangeSetsToRunFloat));
                                                        }
                                                        
                                                }
                                                
                                                if (wizardModel.createTables) {
                                                        // use liquibase to create core data + tables
                                                        try {
                                                                String liquibaseSchemaFileName = changeLogVersionFinder.getLatestSchemaSnapshotFilename()
                                                                        .get();
                                                                String liquibaseCoreDataFileName = changeLogVersionFinder.getLatestCoreDataSnapshotFilename()
                                                                        .get();
                                                                
                                                                setMessage("Executing " + liquibaseSchemaFileName);
                                                                setExecutingTask(WizardTask.CREATE_TABLES);
                                                                
                                                                log.debug("executing Liquibase file '{}' ", liquibaseSchemaFileName);
                                                                
                                                                DatabaseUpdater.executeChangelog(liquibaseSchemaFileName,
                                                                        new PrintingChangeSetExecutorCallback("OpenMRS schema file"));
                                                                addExecutedTask(WizardTask.CREATE_TABLES);
                                                                
                                                                //reset for this task
                                                                setCompletedPercentage(0);
                                                                setExecutingTask(WizardTask.ADD_CORE_DATA);
                                                                
                                                                log.debug("executing Liquibase file '{}' ", liquibaseCoreDataFileName);
                                                                
                                                                DatabaseUpdater.executeChangelog(liquibaseCoreDataFileName,
                                                                        new PrintingChangeSetExecutorCallback("OpenMRS core data file"));
                                                                wizardModel.workLog.add("Created database tables and added core data");
                                                                addExecutedTask(WizardTask.ADD_CORE_DATA);
                                                                
                                                        }
                                                        catch (Exception e) {
                                                                reportError(ErrorMessageConstants.ERROR_DB_CREATE_TABLES_OR_ADD_DEMO_DATA, DEFAULT_PAGE,
                                                                        e.getMessage());
                                                                log.warn("Error while trying to create tables and demo data", e);
                                                        }
                                                }
                                                
                                                if (wizardModel.importTestData) {
                                                        try {
                                                                setMessage("Importing test data");
                                                                setExecutingTask(WizardTask.IMPORT_TEST_DATA);
                                                                setCompletedPercentage(0);
                                                                
                                                                try {
                                                                        InputStream inData = TestInstallUtil.getResourceInputStream(
                                                                                wizardModel.remoteUrl + RELEASE_TESTING_MODULE_PATH + "generateTestDataSet.form",
                                                                                wizardModel.remoteUsername, wizardModel.remotePassword);
                                                                        
                                                                        setCompletedPercentage(40);
                                                                        setMessage("Loading imported test data...");
                                                                        importTestDataSet(inData, finalDatabaseConnectionString, connectionUsername,
                                                                                connectionPassword.toString());
                                                                        wizardModel.workLog.add("Imported test data");
                                                                        addExecutedTask(WizardTask.IMPORT_TEST_DATA);
                                                                        
                                                                        //reset the progress for the next task
                                                                        setCompletedPercentage(0);
                                                                        setMessage("Importing modules from remote server...");
                                                                        setExecutingTask(WizardTask.ADD_MODULES);
                                                                        
                                                                        InputStream inModules = TestInstallUtil.getResourceInputStream(
                                                                                wizardModel.remoteUrl + RELEASE_TESTING_MODULE_PATH + "getModules.htm",
                                                                                wizardModel.remoteUsername, wizardModel.remotePassword);
                                                                        
                                                                        setCompletedPercentage(90);
                                                                        setMessage("Adding imported modules...");
                                                                        if (!TestInstallUtil.addZippedTestModules(inModules)) {
                                                                                reportError(ErrorMessageConstants.ERROR_DB_UNABLE_TO_ADD_MODULES, DEFAULT_PAGE, "");
                                                                                return;
                                                                        } else {
                                                                                wizardModel.workLog.add("Added Modules");
                                                                                addExecutedTask(WizardTask.ADD_MODULES);
                                                                        }
                                                                }
                                                                catch (APIAuthenticationException e) {
                                                                        log.warn("Unable to authenticate as a User with the System Developer role");
                                                                        reportError(ErrorMessageConstants.UPDATE_ERROR_UNABLE_AUTHENTICATE,
                                                                                TESTING_REMOTE_DETAILS_SETUP, "");
                                                                        return;
                                                                }
                                                        }
                                                        catch (Exception e) {
                                                                reportError(ErrorMessageConstants.ERROR_DB_IMPORT_TEST_DATA, DEFAULT_PAGE, e.getMessage());
                                                                log.warn("Error while trying to import test data", e);
                                                                return;
                                                        }
                                                }
                                                
                                                // add demo data only if creating tables fresh and user selected the option add demo data
                                                if (wizardModel.createTables && wizardModel.addDemoData) {
                                                        try {
                                                                setMessage("Adding demo data");
                                                                setCompletedPercentage(0);
                                                                setExecutingTask(WizardTask.ADD_DEMO_DATA);
                                                                
                                                                log.debug("executing Liquibase file '{}' ", LIQUIBASE_DEMO_DATA);
                                                                
                                                                DatabaseUpdater.executeChangelog(LIQUIBASE_DEMO_DATA,
                                                                        new PrintingChangeSetExecutorCallback("OpenMRS demo patients, users, and forms"));
                                                                wizardModel.workLog.add("Added demo data");
                                                                
                                                                addExecutedTask(WizardTask.ADD_DEMO_DATA);
                                                        }
                                                        catch (Exception e) {
                                                                reportError(ErrorMessageConstants.ERROR_DB_CREATE_TABLES_OR_ADD_DEMO_DATA, DEFAULT_PAGE,
                                                                        e.getMessage());
                                                                log.warn("Error while trying to add demo data", e);
                                                        }
                                                }
                                                
                                                // update the database to the latest version
                                                try {
                                                        setMessage("Updating the database to the latest version");
                                                        setCompletedPercentage(0);
                                                        setExecutingTask(WizardTask.UPDATE_TO_LATEST);
                                                        
                                                        String version = null;
                                                        
                                                        if (wizardModel.createTables) {
                                                                version = changeLogVersionFinder.getLatestSnapshotVersion().get();
                                                        } else {
                                                                version = changeLogDetective.getInitialLiquibaseSnapshotVersion(DatabaseUpdater.CONTEXT,
                                                                        new DatabaseUpdaterLiquibaseProvider());
                                                        }
                                                        
                                                        log.debug(
                                                                "updating the database with versions of liquibase-update-to-latest files greater than '{}'",
                                                                version);
                                                        
                                                        List<String> changelogs = changeLogVersionFinder
                                                                .getUpdateFileNames(changeLogVersionFinder.getUpdateVersionsGreaterThan(version));
                                                        
                                                        for (String changelog : changelogs) {
                                                                log.debug("applying Liquibase changelog '{}'", changelog);
                                                                
                                                                DatabaseUpdater.executeChangelog(changelog,
                                                                        new PrintingChangeSetExecutorCallback("executing Liquibase changelog " + changelog));
                                                        }
                                                        addExecutedTask(WizardTask.UPDATE_TO_LATEST);
                                                }
                                                catch (Exception e) {
                                                        reportError(ErrorMessageConstants.ERROR_DB_UPDATE_TO_LATEST, DEFAULT_PAGE, e.getMessage());
                                                        log.warn("Error while trying to update to the latest database version", e);
                                                        return;
                                                }
                                                
                                                setExecutingTask(null);
                                                setMessage("Starting OpenMRS");
                                                
                                                // start spring
                                                // after this point, all errors need to also call: contextLoader.closeWebApplicationContext(event.getServletContext())
                                                // logic copied from org.springframework.web.context.ContextLoaderListener
                                                ContextLoader contextLoader = new ContextLoader();
                                                contextLoader.initWebApplicationContext(filterConfig.getServletContext());
                                                
                                                // output properties to the openmrs runtime properties file so that this wizard is not run again
                                                FileOutputStream fos = null;
                                                try {
                                                        fos = new FileOutputStream(getRuntimePropertiesFile());
                                                        OpenmrsUtil.storeProperties(runtimeProperties, fos,
                                                                "Auto generated by OpenMRS initialization wizard");
                                                        wizardModel.workLog.add("Saved runtime properties file " + getRuntimePropertiesFile());
                                                        
                                                        /*
                                                         * Fix file readability permissions:
                                                         * first revoke read permission from everyone, then set read permissions for only the user
                                                         * there is no function to set specific readability for only one user
                                                         * and revoke everyone else's, therefore this is the only way to accomplish this.
                                                         */
                                                        wizardModel.workLog.add("Adjusting file posix properties to user readonly");
                                                        if (getRuntimePropertiesFile().setReadable(false, false)
                                                                && getRuntimePropertiesFile().setReadable(true)) {
                                                                wizardModel.workLog
                                                                        .add("Successfully adjusted RuntimePropertiesFile to disallow world to read it");
                                                        } else {
                                                                wizardModel.workLog
                                                                        .add("Unable to adjust RuntimePropertiesFile to disallow world to read it");
                                                        }
                                                        // don't need to catch errors here because we tested it at the beginning of the wizard
                                                }
                                                finally {
                                                        if (fos != null) {
                                                                fos.close();
                                                        }
                                                }
                                                
                                                Context.openSession();
                                                
                                                if (!"".equals(wizardModel.implementationId)) {
                                                        try {
                                                                Context.addProxyPrivilege(PrivilegeConstants.MANAGE_GLOBAL_PROPERTIES);
                                                                Context.addProxyPrivilege(GET_GLOBAL_PROPERTIES);
                                                                Context.addProxyPrivilege(PrivilegeConstants.MANAGE_CONCEPT_SOURCES);
                                                                Context.addProxyPrivilege(PrivilegeConstants.GET_CONCEPT_SOURCES);
                                                                Context.addProxyPrivilege(PrivilegeConstants.MANAGE_IMPLEMENTATION_ID);
                                                                
                                                                ImplementationId implId = new ImplementationId();
                                                                implId.setName(wizardModel.implementationIdName);
                                                                implId.setImplementationId(wizardModel.implementationId);
                                                                implId.setPassphrase(wizardModel.implementationIdPassPhrase);
                                                                implId.setDescription(wizardModel.implementationIdDescription);
                                                                
                                                                Context.getAdministrationService().setImplementationId(implId);
                                                        }
                                                        catch (Exception e) {
                                                                reportError(ErrorMessageConstants.ERROR_SET_INPL_ID, DEFAULT_PAGE, e.getMessage());
                                                                log.warn("Implementation ID could not be set.", e);
                                                                Context.shutdown();
                                                                WebModuleUtil.shutdownModules(filterConfig.getServletContext());
                                                                contextLoader.closeWebApplicationContext(filterConfig.getServletContext());
                                                                return;
                                                        }
                                                        finally {
                                                                Context.removeProxyPrivilege(PrivilegeConstants.MANAGE_GLOBAL_PROPERTIES);
                                                                Context.removeProxyPrivilege(GET_GLOBAL_PROPERTIES);
                                                                Context.removeProxyPrivilege(PrivilegeConstants.MANAGE_CONCEPT_SOURCES);
                                                                Context.removeProxyPrivilege(PrivilegeConstants.GET_CONCEPT_SOURCES);
                                                                Context.removeProxyPrivilege(PrivilegeConstants.MANAGE_IMPLEMENTATION_ID);
                                                        }
                                                }
                                                
                                                try {
                                                        // change the admin user password from "test" to what they input above
                                                        if (wizardModel.createTables) {
                                                                try {
                                                                        Context.addProxyPrivilege(GET_GLOBAL_PROPERTIES);
                                                                        Context.authenticate(new UsernamePasswordCredentials("admin", "test"));
                                                                        
                                                                        Properties props = Context.getRuntimeProperties();
                                                                        String initValue = props.getProperty(UserService.ADMIN_PASSWORD_LOCKED_PROPERTY);
                                                                        props.setProperty(UserService.ADMIN_PASSWORD_LOCKED_PROPERTY, "false");
                                                                        Context.setRuntimeProperties(props);
                                                                        
                                                                        Context.getUserService().changePassword("test", wizardModel.adminUserPassword);
                                                                        
                                                                        if (initValue == null) {
                                                                                props.remove(UserService.ADMIN_PASSWORD_LOCKED_PROPERTY);
                                                                        } else {
                                                                                props.setProperty(UserService.ADMIN_PASSWORD_LOCKED_PROPERTY, initValue);
                                                                        }
                                                                        Context.setRuntimeProperties(props);
                                                                        Context.logout();
                                                                }
                                                                catch (ContextAuthenticationException ex) {
                                                                        log.info("No need to change admin password.", ex);
                                                                }
                                                                finally {
                                                                        Context.removeProxyPrivilege(GET_GLOBAL_PROPERTIES);
                                                                }
                                                        }
                                                }
                                                catch (Exception e) {
                                                        Context.shutdown();
                                                        WebModuleUtil.shutdownModules(filterConfig.getServletContext());
                                                        contextLoader.closeWebApplicationContext(filterConfig.getServletContext());
                                                        reportError(ErrorMessageConstants.ERROR_COMPLETE_STARTUP, DEFAULT_PAGE, e.getMessage());
                                                        log.warn("Unable to complete the startup.", e);
                                                        return;
                                                }
                                                
                                                try {
                                                        // Update PostgreSQL Sequences after insertion of core data
                                                        Context.getAdministrationService().updatePostgresSequence();
                                                }
                                                catch (Exception e) {
                                                        log.warn("Not able to update PostgreSQL sequence. Startup failed for PostgreSQL", e);
                                                        reportError(ErrorMessageConstants.ERROR_COMPLETE_STARTUP, DEFAULT_PAGE, e.getMessage());
                                                        return;
                                                }
                                                
                                                // set this so that the wizard isn't run again on next page load
                                                Context.closeSession();
                                                
                                                // start openmrs
                                                try {
                                                        UpdateFilter.setUpdatesRequired(false);
                                                        WebDaemon.startOpenmrs(filterConfig.getServletContext());
                                                }
                                                catch (DatabaseUpdateException updateEx) {
                                                        log.warn("Error while running the database update file", updateEx);
                                                        reportError(ErrorMessageConstants.ERROR_DB_UPDATE, DEFAULT_PAGE, updateEx.getMessage());
                                                        return;
                                                }
                                                catch (InputRequiredException inputRequiredEx) {
                                                        // TODO display a page looping over the required input and ask the user for each.
                                                        //                 When done and the user and put in their say, call DatabaseUpdater.update(Map);
                                                        //                with the user's question/answer pairs
                                                        log.warn(
                                                                "Unable to continue because user input is required for the db updates and we cannot do anything about that right now");
                                                        reportError(ErrorMessageConstants.ERROR_INPUT_REQ, DEFAULT_PAGE);
                                                        return;
                                                }
                                                catch (MandatoryModuleException mandatoryModEx) {
                                                        log.warn(
                                                                "A mandatory module failed to start. Fix the error or unmark it as mandatory to continue.",
                                                                mandatoryModEx);
                                                        reportError(ErrorMessageConstants.ERROR_MANDATORY_MOD_REQ, DEFAULT_PAGE,
                                                                mandatoryModEx.getMessage());
                                                        return;
                                                }
                                                
                                                // TODO catch openmrs errors here and drop the user back out to the setup screen
                                                
                                        }
                                        catch (IOException e) {
                                                reportError(ErrorMessageConstants.ERROR_COMPLETE_STARTUP, DEFAULT_PAGE, e.getMessage());
                                        }
                                        finally {
                                                if (!hasErrors()) {
                                                        // set this so that the wizard isn't run again on next page load
                                                        setInitializationComplete(true);
                                                        // we should also try to store selected by user language
                                                        // if user wants to system will do it for him 
                                                        FilterUtil.storeLocale(wizardModel.localeToSave);
                                                }
                                                setInstallationStarted(false);
                                        }
                                }
                        };
                        
                        future = OpenmrsThreadPoolHolder.threadExecutor.submit(() -> { r.run(); return null; });
                }
        }
        
        /**
         * Convenience method that loads the database driver
         *
         * @param connection the database connection string
         * @param databaseDriver the database driver class name to load
         * @return the loaded driver string
         */
        public static String loadDriver(String connection, String databaseDriver) {
                String loadedDriverString = null;
                try {
                        loadedDriverString = DatabaseUtil.loadDatabaseDriver(connection, databaseDriver);
                        log.info("using database driver :" + loadedDriverString);
                }
                catch (ClassNotFoundException e) {
                        log.error("The given database driver class was not found. "
                                + "Please ensure that the database driver jar file is on the class path "
                                + "(like in the webapp's lib folder)");
                }
                
                return loadedDriverString;
        }
        
        /**
         * Utility method that checks if there is a runtime properties file containing database connection
         * credentials
         *
         * @return
         */
        private static boolean skipDatabaseSetupPage() {
                Properties props = OpenmrsUtil.getRuntimeProperties(WebConstants.WEBAPP_NAME);
                return (props != null && StringUtils.hasText(props.getProperty("connection.url"))
                        && StringUtils.hasText(props.getProperty("connection.username"))
                        && StringUtils.hasText(props.getProperty("connection.password")));
        }
        
        /**
         * Utility methods that checks if the user clicked the back image
         *
         * @param httpRequest
         * @return
         */
        private static boolean goBack(HttpServletRequest httpRequest) {
                return "Back".equals(httpRequest.getParameter("back"))
                        || (httpRequest.getParameter("back.x") != null && httpRequest.getParameter("back.y") != null);
        }
        
        /**
         * Convenience method to get custom installation script
         *
         * @return Properties from custom installation script or empty if none specified
         * @throws RuntimeException if path to installation script is invalid
         */
        private Properties getInstallationScript() {
                Properties prop = new Properties();
                
                String fileName = System.getProperty("OPENMRS_INSTALLATION_SCRIPT");
                if (fileName == null) {
                        return prop;
                }
                if (fileName.startsWith("classpath:")) {
                        fileName = fileName.substring(10);
                        InputStream input = null;
                        try {
                                input = getClass().getClassLoader().getResourceAsStream(fileName);
                                prop.load(input);
                                log.info("Using installation script from classpath: " + fileName);
                                
                                input.close();
                        }
                        catch (IOException ex) {
                                log.error("Failed to load installation script from classpath: " + fileName, ex);
                                throw new RuntimeException(ex);
                        }
                        finally {
                                IOUtils.closeQuietly(input);
                        }
                } else {
                        File file = new File(fileName);
                        if (file.exists()) {
                                InputStream input = null;
                                try {
                                        input = new FileInputStream(fileName);
                                        prop.load(input);
                                        log.info("Using installation script from absolute path: " + file.getAbsolutePath());
                                        
                                        input.close();
                                }
                                catch (IOException ex) {
                                        log.error("Failed to load installation script from absolute path: " + file.getAbsolutePath(), ex);
                                        throw new RuntimeException(ex);
                                }
                                finally {
                                        IOUtils.closeQuietly(input);
                                }
                        }
                }
                return prop;
        }
}

openmrs / openmrs-core / 14735285473

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