org.argeo.cms/src/org/argeo/cms/internal/kernel/KernelUtils.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.util.Collections;
   6 import java.util.Dictionary;
   7 import java.util.Enumeration;
   8 import java.util.Hashtable;
   9 import java.util.List;
  10 import java.util.Properties;
  11
  12 import javax.servlet.http.HttpServletRequest;
  13
  14 import org.apache.commons.logging.Log;
  15 import org.argeo.cms.CmsException;
  16 import org.osgi.framework.BundleContext;
  17 import org.springframework.security.authentication.AnonymousAuthenticationToken;
  18 import org.springframework.security.authentication.AuthenticationManager;
  19 import org.springframework.security.core.Authentication;
  20 import org.springframework.security.core.authority.SimpleGrantedAuthority;
  21 import org.springframework.security.core.context.SecurityContextHolder;
  22 import org.springframework.security.core.userdetails.User;
  23 import org.springframework.security.core.userdetails.UserDetails;
  24
  25 class KernelUtils implements KernelConstants {
  26         final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  27
  28         static Dictionary<String, ?> asDictionary(Properties props) {
  29                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  30                 for (Object key : props.keySet()) {
  31                         hashtable.put(key.toString(), props.get(key));
  32                 }
  33                 return hashtable;
  34         }
  35
  36         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  37                 Properties props = new Properties();
  38                 try {
  39                         props.load(cl.getResourceAsStream(resource));
  40                 } catch (IOException e) {
  41                         throw new CmsException("Cannot load " + resource
  42                                         + " from classpath", e);
  43                 }
  44                 return asDictionary(props);
  45         }
  46
  47         static File getOsgiInstanceDir(BundleContext bundleContext) {
  48                 return new File(bundleContext.getProperty(OSGI_INSTANCE_AREA)
  49                                 .substring("file:".length())).getAbsoluteFile();
  50         }
  51
  52         // Security
  53         static void anonymousLogin(AuthenticationManager authenticationManager) {
  54                 try {
  55                         List<SimpleGrantedAuthority> anonAuthorities = Collections
  56                                         .singletonList(new SimpleGrantedAuthority(ROLE_ANONYMOUS));
  57                         UserDetails anonUser = new User(ANONYMOUS_USER, "", true, true,
  58                                         true, true, anonAuthorities);
  59                         AnonymousAuthenticationToken anonToken = new AnonymousAuthenticationToken(
  60                                         DEFAULT_SECURITY_KEY, anonUser, anonAuthorities);
  61                         Authentication authentication = authenticationManager
  62                                         .authenticate(anonToken);
  63                         SecurityContextHolder.getContext()
  64                                         .setAuthentication(authentication);
  65                 } catch (Exception e) {
  66                         throw new CmsException("Cannot authenticate", e);
  67                 }
  68         }
  69
  70         // HTTP
  71         static void logRequestHeaders(Log log, HttpServletRequest request) {
  72                 if (!log.isDebugEnabled())
  73                         return;
  74                 for (Enumeration<String> headerNames = request.getHeaderNames(); headerNames
  75                                 .hasMoreElements();) {
  76                         String headerName = headerNames.nextElement();
  77                         Object headerValue = request.getHeader(headerName);
  78                         log.debug(headerName + ": " + headerValue);
  79                 }
  80         }
  81
  82         private KernelUtils() {
  83
  84         }
  85 }