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.argeo.cms.KernelHeader;
  17 import org.argeo.cms.internal.auth.GrantedAuthorityPrincipal;
  18 import org.springframework.security.authentication.AnonymousAuthenticationToken;
  19 import org.springframework.security.authentication.AuthenticationManager;
  20 import org.springframework.security.core.Authentication;
  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 /** Package utilities */
  26 class KernelUtils implements KernelConstants {
  27         private final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  28
  29         static Dictionary<String, ?> asDictionary(Properties props) {
  30                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  31                 for (Object key : props.keySet()) {
  32                         hashtable.put(key.toString(), props.get(key));
  33                 }
  34                 return hashtable;
  35         }
  36
  37         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  38                 Properties props = new Properties();
  39                 try {
  40                         props.load(cl.getResourceAsStream(resource));
  41                 } catch (IOException e) {
  42                         throw new CmsException("Cannot load " + resource
  43                                         + " from classpath", e);
  44                 }
  45                 return asDictionary(props);
  46         }
  47
  48         static File getOsgiInstanceDir() {
  49                 return new File(Activator.getBundleContext()
  50                                 .getProperty(OSGI_INSTANCE_AREA).substring("file:".length()))
  51                                 .getAbsoluteFile();
  52         }
  53
  54         static String getFrameworkProp(String key, String def) {
  55                 String value = Activator.getBundleContext().getProperty(key);
  56                 if (value == null)
  57                         return def;
  58                 return value;
  59         }
  60
  61         static String getFrameworkProp(String key) {
  62                 return getFrameworkProp(key, null);
  63         }
  64
  65         // Security
  66         static void anonymousLogin(AuthenticationManager authenticationManager) {
  67                 try {
  68                         List<GrantedAuthorityPrincipal> anonAuthorities = Collections
  69                                         .singletonList(new GrantedAuthorityPrincipal(
  70                                                         KernelHeader.ROLE_ANONYMOUS));
  71                         UserDetails anonUser = new User(KernelHeader.USERNAME_ANONYMOUS,
  72                                         "", true, true, true, true, anonAuthorities);
  73                         AnonymousAuthenticationToken anonToken = new AnonymousAuthenticationToken(
  74                                         DEFAULT_SECURITY_KEY, anonUser, anonAuthorities);
  75                         Authentication authentication = authenticationManager
  76                                         .authenticate(anonToken);
  77                         SecurityContextHolder.getContext()
  78                                         .setAuthentication(authentication);
  79                 } catch (Exception e) {
  80                         throw new CmsException("Cannot authenticate", e);
  81                 }
  82         }
  83
  84         // HTTP
  85         static void logRequestHeaders(Log log, HttpServletRequest request) {
  86                 if (!log.isDebugEnabled())
  87                         return;
  88                 for (Enumeration<String> headerNames = request.getHeaderNames(); headerNames
  89                                 .hasMoreElements();) {
  90                         String headerName = headerNames.nextElement();
  91                         Object headerValue = request.getHeader(headerName);
  92                         log.debug(headerName + ": " + headerValue);
  93                 }
  94         }
  95
  96         private KernelUtils() {
  97
  98         }
  99 }