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    • com.clickntap.smart.SmartContext Maven / Gradle / Ivy

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    package com.clickntap.smart;

import java.io.IOException;
import java.io.Serializable;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpStatus;
import org.json.JSONArray;
import org.json.JSONObject;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.validation.DataBinder;
import org.springframework.web.servlet.support.BindStatus;
import org.springframework.web.servlet.support.RequestContext;
import org.springframework.web.servlet.support.RequestContextUtils;

import com.clickntap.api.BO;
import com.clickntap.api.BOApp;
import com.clickntap.api.M;
import com.clickntap.tool.bean.BeanUtils;
import com.clickntap.tool.html.HTMLParser;
import com.clickntap.tool.mail.Mail;
import com.clickntap.tool.mail.Mailer;
import com.clickntap.tool.types.Datetime;
import com.clickntap.utils.AsciiUtils;
import com.clickntap.utils.ConstUtils;
import com.clickntap.utils.LessUtils;
import com.clickntap.utils.Pager;
import com.clickntap.utils.StringUtils;
import com.clickntap.utils.WebUtils;

import freemarker.template.utility.StringUtil;

public class SmartContext extends HashMap implements Serializable {
  public static final String DEVICE_TOKEN = "deviceToken";
  public static final String SMART_USER = "smartUser";
  public static final String SMART_USER_ID = "smartUserId";
  private static final String SMART_AUTHENTICATOR_BEAN = "smartAuthenticator";
  private static final String SMART_APP_BEAN = "smartApp";
  private static final String SMART_STORED_REQUEST = "smartStoredRequest";
  private static final String SMART_SESSION_KEY = "smartSessionKey";
  private static final String SMART_SESSIONS_KEY = "smartSessionsKey";
  private static final String APP_SESSIONS_KEY = "appSessionsKey";
  private static Log log = LogFactory.getLog(SmartContext.class);
  private HttpServletRequest request;
  private HttpServletResponse response;
  private Map session;
  private String activeSessionKey;
  private ApplicationContext applicationContext;

  private String ref;
  private String extension;
  private Authenticator authenticator;
  private SmartApp smartApp;

  private boolean redirected;
  private boolean isBreak;
  private RequestContext requestContext;
  private SmartRequest smartRequest;
  private Exception exception;
  private Map beans;

  public SmartContext() {
    this(null, null);
  }

  public SmartContext(HttpServletRequest request, HttpServletResponse response) {
    if (request != null) {
      String uri = request.getRequestURI().substring(request.getContextPath().length() + 1);
      int x = uri.indexOf(ConstUtils.DOT);
      this.redirected = false;
      if (x > 0) {
        this.ref = uri.substring(0, x);
        this.extension = uri.substring(x + 1);
      }
      this.request = request;
      this.response = response;
      try {
        this.applicationContext = RequestContextUtils.findWebApplicationContext(request);
        this.authenticator = (Authenticator) getBean(SMART_AUTHENTICATOR_BEAN);
        this.smartApp = (SmartApp) getBean(SMART_APP_BEAN);
        this.requestContext = new RequestContext(request, this);
      } catch (Exception e) {
        this.applicationContext = null;
        this.authenticator = null;
        this.smartApp = null;
        this.requestContext = null;
      }
    }
    put(ConstUtils.THIS, this);
  }

  public List getActiveSessions() {
    List activeSessions = (List) request.getSession().getAttribute(SMART_SESSIONS_KEY);
    if (activeSessions == null) {
      activeSessions = new ArrayList();
      request.getSession().setAttribute(SMART_SESSIONS_KEY, activeSessions);
    }
    return activeSessions;
  }

  public String getActiveSessionKey() {
    return activeSessionKey;
  }

  public Datetime toSessionDate(String ietfDate) throws Exception {
    return Datetime.parseIETFDate(ietfDate);
  }

  public Map getActiveSession() {
    Map map = (Map) request.getSession().getAttribute(activeSessionKey);
    if (map == null) {
      map = new HashMap();
      request.getSession().setAttribute(activeSessionKey, map);
    }
    return map;
  }

  public JSONArray toJsonArray(String array) {
    return new JSONArray(array);
  }

  public JSONObject toJsonObject(String object) {
    return new JSONObject(object);
  }

  public boolean isBreak() {
    return isBreak;
  }

  public void setBreak(boolean isBreak) {
    this.isBreak = isBreak;
  }

  public void stop() {
    setBreak(true);
  }

  public Exception getException() {
    return exception;
  }

  public void setException(Exception exception) {
    this.exception = exception;
  }

  public Datetime toDate(String s) {
    return new Datetime(s);
  }

  public String getReferer() {
    return request.getHeader("referer");
  }

  public SmartApp getSmartApp() {
    return smartApp;
  }

  public void setSmartApp(SmartApp smartApp) {
    this.smartApp = smartApp;
  }

  public ApplicationContext getApplicationContext() {
    return applicationContext;
  }

  public void setApplicationContext(ApplicationContext applicationContext) {
    this.applicationContext = applicationContext;
  }

  public void setRef(String name, String extension) {
    this.ref = name;
    this.extension = extension;
  }

  public SmartRequest getSmartRequest() {
    return smartRequest;
  }

  public Map getSession() {
    if (session == null) {
      if ("selectSmartSession".equals(param("action"))) {
        List activeSessions = getActiveSessions();
        if (activeSessions.contains(param("smartSession"))) {
          request.getSession().setAttribute(SMART_SESSION_KEY, param("smartSession"));
        }
      }
      try {
        activeSessionKey = (String) request.getSession().getAttribute(SMART_SESSION_KEY);
      } catch (Exception e1) {
        activeSessionKey = null;
      }
      if ("removeSmartSession".equals(param("action"))) {
        List activeSessions = getActiveSessions();
        request.getSession().removeAttribute(SMART_SESSION_KEY);
        activeSessions.remove(activeSessionKey);
        if (activeSessions.size() > 0) {
          activeSessionKey = activeSessions.get(activeSessions.size() - 1);
          request.getSession().setAttribute(SMART_SESSION_KEY, activeSessionKey);
        } else {
          activeSessionKey = null;
        }
      }
      if ("newSmartSession".equals(param("action"))) {
        activeSessionKey = null;
      }
      if (activeSessionKey == null) {
        List activeSessions = getActiveSessions();
        try {
          activeSessionKey = new Datetime().toIETFDate();
          if (!activeSessions.contains(activeSessionKey)) {
            activeSessions.add(activeSessionKey);
          }
        } catch (ParseException e) {
        }
        request.getSession().setAttribute(SMART_SESSION_KEY, activeSessionKey);
      }
      if (!param("appSessionKey").isEmpty()) {
        HashMap appSessionMap = (HashMap) request.getSession().getAttribute(APP_SESSIONS_KEY);
        if (appSessionMap == null) {
          appSessionMap = new HashMap();
          request.getSession().setAttribute(APP_SESSIONS_KEY, appSessionMap);
        }
        if (!appSessionMap.containsKey(param("appSessionKey"))) {
          appSessionMap.put(param("appSessionKey"), new HashMap());
        }
        this.session = appSessionMap.get(param("appSessionKey"));
      } else {
        this.session = getActiveSession();
      }
    }
    return session;
  }

  public void storeRequest() {
    session.put(SMART_STORED_REQUEST, new SmartRequest(ref, request));
  }

  public SmartRequest getStoredRequest() {
    return (SmartRequest) session.get(SMART_STORED_REQUEST);
  }

  public boolean isStoredRequest() {
    if (session != null) {
      return session.get(SMART_STORED_REQUEST) != null;
    }
    return false;
  }

  public void loadRequest() {
    if (isStoredRequest()) {
      smartRequest = getStoredRequest();
      session.remove(SMART_STORED_REQUEST);
    }
  }

  public RequestContext getRequestContext() {
    return requestContext;
  }

  public String tr(String key) {
    return getRequestContext().getMessage(key, new Object[] { this });
  }

  public String plainText(String html) {
    try {
      return HTMLParser.getText(html);
    } catch (Exception e) {
      return html;
    }
  }

  public String tr(String key, Object target) {
    return getRequestContext().getMessage(key, new Object[] { target });
  }

  public List level(int i) throws SmartControllerNotFoundException {
    List path = getController().getPath();
    i--;
    if (i >= 0 && i < path.size())
      return path.get(i).getChildren();
    else
      return new ArrayList();
  }

  public boolean isHilited(String ref) {
    return getRef().startsWith(ref);
  }

  public HttpServletRequest getRequest() {
    return request;
  }

  public HttpServletResponse getResponse() {
    return response;
  }

  public String getRef() {
    return ref;
  }

  public void setRef(String ref) {
    this.ref = ref;
  }

  public String getURI() throws SmartControllerNotFoundException {
    if (getReferer() != null && getController().isAjax())
      return getReferer();
    return getURI(getRef());
  }

  public String getURI(String ref) {
    return request.getContextPath() + ConstUtils.SLASH + ref + ConstUtils.DOT + extension;
  }

  public Object getBean(String ref) {
    if (beans != null) {
      return beans.get(ref);
    }
    try {
      return applicationContext.getBean(ref);
    } catch (Exception e) {
      return null;
    }
  }

  public void addBean(String ref, Object o) {
    if (beans == null) {
      beans = new HashMap();
    }
    beans.put(ref, o);
  }

  public Resource getResource(String path) {
    return applicationContext.getResource(path);
  }

  public String param(String key) {
    String value;
    try {
      value = StringUtils.toString(request.getParameter(key));
    } catch (Throwable e) {
      value = ConstUtils.EMPTY;
    }
    return value;
  }

  public int intParam(String key) {
    try {
      return Integer.parseInt(param(key));
    } catch (NumberFormatException e) {
      return 0;
    }
  }

  public boolean isAuthenticated() throws Exception {
    return authenticator == null ? false : authenticator.isAuthenticated(request, response);
  }

  public boolean canTryAutoLogin() throws Exception {
    return authenticator == null ? false : authenticator.isAuthenticated(request, response);
  }

  public Number getUserId() {
    return (Number) request.getSession().getAttribute(SMART_USER_ID);
  }

  public boolean tryLogin(boolean always) throws Exception {
    if (isLoginRequest() || always) {
      BO token = authenticator.getDeviceToken(request);
      SmartUser smartUser = new SmartUser();
      smartUser.setUsername(authenticator.getUsername(request));
      smartUser.setPassword(authenticator.getPassword(request));
      DataBinder binder = new DataBinder(smartUser, SMART_USER);
      AuthenticatedUser user = null;
      try {
        user = authenticator.login(request, response, smartUser.getUsername(), smartUser.getPassword());
      } catch (UnknownUsernameException ue) {
        binder.getBindingResult().rejectValue("username", "unknown");
      } catch (UnknownPasswordException pe) {
        binder.getBindingResult().rejectValue("password", "unknown");
      } catch (UserNotEnabledException pe) {
        binder.getBindingResult().rejectValue("username", "pending");
      }
      if (user != null) {
        authorize(user);
        try {
          M.invoke(token, "setFailedAttempts", ConstUtils.EMPTY);
          token.update();
        } catch (Exception e) {
        }
        return true;
      } else {
        increaseFailedAttempts(token, smartUser.getUsername());
        response.setStatus(HttpStatus.SC_UNAUTHORIZED);
      }
      putAll(binder.getBindingResult().getModel());
    }
    return false;
  }

  public JSONObject getFailedAttempts() {
    return getFailedAttempts(authenticator.getDeviceToken(request));
  }

  public JSONObject getFailedAttempts(BO token) {
    JSONObject info = new JSONObject();
    try {
      info = new JSONObject((String) M.invoke(token, "getFailedAttempts"));
    } catch (Exception e) {
    }
    if (!info.has("items")) {
      info.put("items", new JSONArray());
    }
    return info;
  }

  private void increaseFailedAttempts(BO token, String email) {
    try {
      if (email == null || email.equalsIgnoreCase(ConstUtils.EMPTY)) {
        return;
      }
      AuthenticatedUser user = authenticator.login(email);
      if (user.getId() != null) {
        JSONObject info = getFailedAttempts(token);
        JSONArray items = info.getJSONArray("items");
        long time = System.currentTimeMillis();
        JSONObject item = new JSONObject();
        item.put("date", new Datetime().toString());
        items.put(item);
        info.put("items", items);
        info.put("updatedAt", time);
        M.invoke(token, "setFailedAttempts", info.toString());
        token.update();
      }
    } catch (Exception e) {
    }
  }

  protected void checkFailedAttempts() {
    try {
      BO token = authenticator.getDeviceToken(request);
      JSONObject info = getFailedAttempts(token);
      long updatedAt = info.getLong("updatedAt");
      long now = System.currentTimeMillis();
      long diff = now - updatedAt;
      if (diff > (1000 * 60 * authenticator.getNumTryAgain().intValue())) {
        M.invoke(token, "setToken", ConstUtils.EMPTY);
        token.update();
      }
    } catch (Exception e) {
    }
  }

  public boolean banUser() {
    try {
      BO token = authenticator.getDeviceToken(request);
      JSONObject info = getFailedAttempts(token);
      JSONArray items = info.getJSONArray("items");
      if (items.length() >= authenticator.getNumAttempts().intValue()) {
        try {
          if (!info.has("sendAlert") || !"yes".equalsIgnoreCase(info.getString("sendAlert"))) {
            authenticator.failedAttempts(request, response);
          }
          info.put("sendAlert", "yes");
          M.invoke(token, "setFailedAttempts", info.toString());
          token.update();
        } catch (Exception e) {
        }
        return true;
      }
    } catch (Exception e) {
    }
    return false;
  }

  public void authorize(AuthenticatedUser user) throws Exception {
    authenticator.authorize(request, response, user);
  }

  public void deauthorize(AuthenticatedUser user) throws Exception {
    authenticator.deauthorize(request, response);
  }

  public boolean tryLogout() throws Exception {
    if (isLogoutRequest()) {
      if (isAuthenticated()) {
        logout();
      }
      return true;
    }
    return false;
  }

  public void logout() throws Exception {
    Number id = getUserId();
    authenticator.logout(request, response, (AuthenticatedUser) authenticator.getBeanManager().read(id, Class.forName(authenticator.getClassName())));
    authenticator.deauthorize(request, response);
  }

  public boolean isLoginRequest() throws Exception {
    if (authenticator != null)
      if (authenticator.isLoginRequest(request))
        return true;
    return false;
  }

  public boolean isLogoutRequest() throws Exception {
    if (authenticator != null)
      if (authenticator.isLogoutRequest(request))
        return true;
    return false;
  }

  public void redirect(String ref) throws IOException {
    if (ref != getRef())
      sendRedirect(getURI(ref));
  }

  public void sendRedirect(String uri) throws IOException {
    if (redirected)
      return;
    redirected = true;
    getResponse().sendRedirect(uri);
  }

  public boolean isRedirected() {
    return redirected;
  }

  public SmartController getController() throws SmartControllerNotFoundException {
    SmartController controller = null;
    try {
      controller = smartApp.getController(this);
    } catch (Exception e) {
      if (controller == null)
        controller = smartApp.getMapper();
    }
    if (controller == null)
      controller = smartApp.getMapper();
    if (controller == null)
      throw new SmartControllerNotFoundException(this.getRef());
    return controller;
  }

  public String eval(Map map, String script) throws Exception {
    return smartApp.eval(map, script);
  }

  public String eval(String script) throws Exception {
    return smartApp.eval(this, script);
  }

  public boolean evalRule(Map map, String rule) throws Exception {
    return smartApp.evalRule(map, rule);
  }

  public boolean evalRule(String rule) throws Exception {
    return smartApp.evalRule(this, rule);
  }

  public SmartBindingResult bind(String objectName, String objectClass, String channel, String[] allowedFields, String[] disallowedFields, String scope) throws Exception {
    return smartApp.bind(this, objectName, objectClass, channel, allowedFields, disallowedFields, scope);
  }

  public void load(String objectName, String objectClass, String channel, String scope) throws Exception {
    Object object = smartApp.load(this, objectName, objectClass, channel, scope);
    if (log.isDebugEnabled()) {
      log.debug("load '" + objectName + "' with scope '" + scope + "' on channel '" + channel + "'");
    }
    put(objectName, object);
  }

  public SmartBindingResult bind(Object object, String objectName, String[] allowedFields, String[] disallowedFields) throws Exception {
    return SmartApp.bind(this, object, objectName, allowedFields, disallowedFields);
  }

  public SmartBindingResult bind(Object object, String objectName) throws Exception {
    return SmartApp.bind(this, object, objectName, null, null);
  }

  public SmartBindingResult bind(Object object) throws Exception {
    return SmartApp.bind(this, object, object.getClass().getName(), null, null);
  }

  public String utf7(String text) {
    return AsciiUtils.textToUtf7(text);
  }

  public int rand() throws Exception {
    return rand(Integer.MAX_VALUE);
  }

  public int rand(int num) {
    return (int) (Math.random() * num) + 1;
  }

  public BindStatus getBindStatus(String path) {
    return getRequestContext().getBindStatus(path);
  }

  public BindStatus getBindStatus(String path, String propertyName) {
    int x = path.lastIndexOf('.');
    if (x > 0) {
      path = path.substring(0, x) + '.' + propertyName;
      return getRequestContext().getBindStatus(path);
    }
    return null;
  }

  public String now() {
    return Long.toString(System.currentTimeMillis());
  }

  public String code(String key) {
    return StringUtils.code(key);
  }

  public Datetime date() {
    return new Datetime();
  }

  public Datetime date(String date) {
    return new Datetime(date);
  }

  public Datetime parseDate(String date) {
    try {
      return new Datetime(date);
    } catch (Exception e) {
      return null;
    }
  }

  public void reverse(List list) {
    Collections.reverse(list);
  }

  public void shuffle(List list) {
    Collections.shuffle(list);
  }

  public String limit(String text, int limit) {
    return AsciiUtils.limit(text, limit);
  }

  public void tryAutoLogin() throws Exception {
    if (authenticator != null) {
      AuthenticatedUser user = authenticator.tryAutoLogin(request, response);
      if (user != null)
        authenticator.authorize(request, response, user);
    }
  }

  public void sendmail(String email, String name, boolean starttl) throws Exception {
    Mailer mailer = (Mailer) getBean("mailer");
    Mail mail = mailer.newMail(name, starttl);
    mail.addTo(email);
    mailer.setup(mail, this);
    mailer.sendmail(mail);
  }

  public String conf(String key) {
    return smartApp.conf(key);
  }

  public void setClientData(String key, String value) throws Exception {
    WebUtils.setClientData(response, key, value);
  }

  public String getClientData(String key) throws Exception {
    return WebUtils.getClientData(request, key);
  }

  public String getBrowser() {
    String ua = request.getHeader("User-Agent");
    if (ua != null) {
      if (ua.indexOf("iPhone") >= 0)
        return "iphone";
      else if (ua.indexOf("Android") >= 0)
        return ua.indexOf("Mobile") >= 0 ? "android-phone" : "android-tablet";
      else if (ua.indexOf("iPad") >= 0)
        return "ipad";
      else if (ua.indexOf("Firefox") >= 0)
        return "firefox";
      else if (ua.indexOf("MSIE 8") >= 0)
        return "msie8";
      else if (ua.indexOf("MSIE 7") >= 0)
        return "msie7";
      else if (ua.indexOf("MSIE 6") >= 0)
        return "msie6";
      else if (ua.indexOf("MSIE 5") >= 0)
        return "msie5";
      else if (ua.indexOf("Opera") >= 0)
        return "opera";
      else if (ua.indexOf("Chrome") >= 0)
        return "chrome";
      else if (ua.indexOf("Safari") >= 0)
        return "safari";
      if (getUserAgent().getChannel().equals("mobile"))
        return "mobile";
    }
    return ua;
  }

  public boolean isDevice() {
    String browser = getBrowser();
    if (browser == null)
      return false;
    else
      return browser.equals("iphone") || browser.equals("ipad") || browser.equals("mobile") || browser.equals("android-phone") || browser.equals("android-tablet");
  }

  public SmartUserAgent getUserAgent() {
    return new SmartUserAgent(this);
  }

  public void sendError(String errorMessageKey, String errorMessage) throws Exception {
    response.addHeader(errorMessageKey, errorMessage);
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
  }

  public Long toLong(String s) {
    Long retVal;
    try {
      retVal = Long.parseLong(s);
    } catch (Exception e) {
      retVal = null;
    }
    return retVal;
  }

  public boolean dateEquals(Datetime t1, Datetime t2, String format) {
    return t1.format(format).equals(t2.format(format));
  }

  public String css(String less) throws Exception {
    return LessUtils.eval(less);
  }

  public Map newMap() {
    return new LinkedHashMap();
  }

  public List newList() {
    return new ArrayList();
  }

  public Pager newPager(List list, int pageNumber) throws Exception {
    return newPager(list, pageNumber, 5, 20);
  }

  public Pager newPager(List list, int pageNumber, int linksNum, int itemsForPageNum) throws Exception {
    Pager pager = new Pager(linksNum, itemsForPageNum);
    pager.selectPage(list, pageNumber);
    return pager;
  }

  public static List asList(JSONArray array) {
    List items = new ArrayList();
    if (array != null) {
      for (int i = 0; i < array.length(); i++) {
        items.add(array.get(i));
      }
    }
    return items;
  }

  public JSONArray boValues(String className, Number id, String fields) throws Exception {
    JSONArray values = new JSONArray();
    BO bo = (BO) Class.forName(className).getDeclaredConstructor().newInstance();
    bo.setId(id);
    bo.setApp((BOApp) getBean("app"));
    bo.read();
    String[] names = StringUtil.split(fields, ',');
    for (String name : names) {
      try {
        Object o = BeanUtils.getValue(bo, name);
        JSONObject value = new JSONObject();
        value.put(name, (o instanceof BO) ? ((BO) o).json(false) : o);
        values.put(value);
      } catch (Exception e) {
      }
    }
    return values;
  }

}    
    
    
    

    




    
    
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