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.argeo.cms.KernelHeader;
  17 import org.argeo.cms.internal.auth.GrantedAuthorityPrincipal;
  18 import org.osgi.framework.BundleContext;
  19 import org.springframework.security.authentication.AnonymousAuthenticationToken;
  20 import org.springframework.security.authentication.AuthenticationManager;
  21 import org.springframework.security.core.Authentication;
  22 import org.springframework.security.core.context.SecurityContextHolder;
  23 import org.springframework.security.core.userdetails.User;
  24 import org.springframework.security.core.userdetails.UserDetails;
  25
  26 /** Package utilities */
  27 class KernelUtils implements KernelConstants {
  28         private final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  29
  30         static Dictionary<String, ?> asDictionary(Properties props) {
  31                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  32                 for (Object key : props.keySet()) {
  33                         hashtable.put(key.toString(), props.get(key));
  34                 }
  35                 return hashtable;
  36         }
  37
  38         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  39                 Properties props = new Properties();
  40                 try {
  41                         props.load(cl.getResourceAsStream(resource));
  42                 } catch (IOException e) {
  43                         throw new CmsException("Cannot load " + resource
  44                                         + " from classpath", e);
  45                 }
  46                 return asDictionary(props);
  47         }
  48
  49         static File getOsgiInstanceDir(BundleContext bundleContext) {
  50                 return new File(bundleContext.getProperty(OSGI_INSTANCE_AREA)
  51                                 .substring("file:".length())).getAbsoluteFile();
  52         }
  53
  54         // Security
  55         static void anonymousLogin(AuthenticationManager authenticationManager) {
  56                 try {
  57                         List<GrantedAuthorityPrincipal> anonAuthorities = Collections
  58                                         .singletonList(new GrantedAuthorityPrincipal(
  59                                                         KernelHeader.ROLE_ANONYMOUS));
  60                         UserDetails anonUser = new User(KernelHeader.USERNAME_ANONYMOUS,
  61                                         "", true, true, true, true, anonAuthorities);
  62                         AnonymousAuthenticationToken anonToken = new AnonymousAuthenticationToken(
  63                                         DEFAULT_SECURITY_KEY, anonUser, anonAuthorities);
  64                         Authentication authentication = authenticationManager
  65                                         .authenticate(anonToken);
  66                         SecurityContextHolder.getContext()
  67                                         .setAuthentication(authentication);
  68                 } catch (Exception e) {
  69                         throw new CmsException("Cannot authenticate", e);
  70                 }
  71         }
  72
  73         // HTTP
  74         static void logRequestHeaders(Log log, HttpServletRequest request) {
  75                 if (!log.isDebugEnabled())
  76                         return;
  77                 for (Enumeration<String> headerNames = request.getHeaderNames(); headerNames
  78                                 .hasMoreElements();) {
  79                         String headerName = headerNames.nextElement();
  80                         Object headerValue = request.getHeader(headerName);
  81                         log.debug(headerName + ": " + headerValue);
  82                 }
  83         }
  84
  85         private KernelUtils() {
  86
  87         }
  88 }