KernelUtils.java

   1 package org.argeo.cms.internal.runtime;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.io.PrintStream;
   6 import java.net.URI;
   7 import java.net.URISyntaxException;
   8 import java.net.URL;
   9 import java.nio.file.Path;
  10 import java.nio.file.Paths;
  11 import java.security.URIParameter;
  12 import java.util.Dictionary;
  13 import java.util.Hashtable;
  14 import java.util.Properties;
  15 import java.util.TreeMap;
  16 import java.util.TreeSet;
  17
  18 import org.argeo.api.cms.CmsLog;
  19 import org.argeo.cms.internal.osgi.CmsActivator;
  20
  21 /** Package utilities */
  22 public class KernelUtils implements KernelConstants {
  23         final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  24         final static String OSGI_CONFIGURATION_AREA = "osgi.configuration.area";
  25
  26         static void setJaasConfiguration(URL jaasConfigurationUrl) {
  27                 try {
  28                         URIParameter uriParameter = new URIParameter(jaasConfigurationUrl.toURI());
  29                         javax.security.auth.login.Configuration jaasConfiguration = javax.security.auth.login.Configuration
  30                                         .getInstance("JavaLoginConfig", uriParameter);
  31                         javax.security.auth.login.Configuration.setConfiguration(jaasConfiguration);
  32                 } catch (Exception e) {
  33                         throw new IllegalArgumentException("Cannot set configuration " + jaasConfigurationUrl, e);
  34                 }
  35         }
  36
  37         static Dictionary<String, ?> asDictionary(Properties props) {
  38                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  39                 for (Object key : props.keySet()) {
  40                         hashtable.put(key.toString(), props.get(key));
  41                 }
  42                 return hashtable;
  43         }
  44
  45         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  46                 Properties props = new Properties();
  47                 try {
  48                         props.load(cl.getResourceAsStream(resource));
  49                 } catch (IOException e) {
  50                         throw new IllegalArgumentException("Cannot load " + resource + " from classpath", e);
  51                 }
  52                 return asDictionary(props);
  53         }
  54
  55         static File getExecutionDir(String relativePath) {
  56                 File executionDir = new File(getFrameworkProp("user.dir"));
  57                 if (relativePath == null)
  58                         return executionDir;
  59                 try {
  60                         return new File(executionDir, relativePath).getCanonicalFile();
  61                 } catch (IOException e) {
  62                         throw new IllegalArgumentException("Cannot get canonical file", e);
  63                 }
  64         }
  65
  66 //      static File getOsgiInstanceDir() {
  67 //              return new File(CmsActivator.getBundleContext().getProperty(OSGI_INSTANCE_AREA).substring("file:".length()))
  68 //                              .getAbsoluteFile();
  69 //      }
  70
  71         public static Path getOsgiInstancePath(String relativePath) {
  72                 return Paths.get(getOsgiInstanceUri(relativePath));
  73         }
  74
  75         public static URI getOsgiInstanceUri(String relativePath) {
  76                 String osgiInstanceBaseUri = getFrameworkProp(OSGI_INSTANCE_AREA);
  77                 if (osgiInstanceBaseUri != null)
  78                         return safeUri(osgiInstanceBaseUri + (relativePath != null ? relativePath : ""));
  79                 else
  80                         return Paths.get(System.getProperty("user.dir"), (relativePath != null ? relativePath : "")).toUri();
  81         }
  82
  83         static File getOsgiConfigurationFile(String relativePath) {
  84                 try {
  85                         return new File(
  86                                         new URI(CmsActivator.getBundleContext().getProperty(OSGI_CONFIGURATION_AREA) + relativePath))
  87                                         .getCanonicalFile();
  88                 } catch (Exception e) {
  89                         throw new IllegalArgumentException("Cannot get configuration file for " + relativePath, e);
  90                 }
  91         }
  92
  93         static String getFrameworkProp(String key, String def) {
  94                 String value;
  95                 if (CmsActivator.getBundleContext() != null)
  96                         value = CmsActivator.getBundleContext().getProperty(key);
  97                 else
  98                         value = System.getProperty(key);
  99                 if (value == null)
 100                         return def;
 101                 return value;
 102         }
 103
 104         public static String getFrameworkProp(String key) {
 105                 return getFrameworkProp(key, null);
 106         }
 107
 108         // Security
 109         // static Subject anonymousLogin() {
 110         // Subject subject = new Subject();
 111         // LoginContext lc;
 112         // try {
 113         // lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject);
 114         // lc.login();
 115         // return subject;
 116         // } catch (LoginException e) {
 117         // throw new CmsException("Cannot login as anonymous", e);
 118         // }
 119         // }
 120
 121         static void logFrameworkProperties(CmsLog log) {
 122                 for (Object sysProp : new TreeSet<Object>(System.getProperties().keySet())) {
 123                         log.debug(sysProp + "=" + getFrameworkProp(sysProp.toString()));
 124                 }
 125                 // String[] keys = { Constants.FRAMEWORK_STORAGE,
 126                 // Constants.FRAMEWORK_OS_NAME, Constants.FRAMEWORK_OS_VERSION,
 127                 // Constants.FRAMEWORK_PROCESSOR, Constants.FRAMEWORK_SECURITY,
 128                 // Constants.FRAMEWORK_TRUST_REPOSITORIES,
 129                 // Constants.FRAMEWORK_WINDOWSYSTEM, Constants.FRAMEWORK_VENDOR,
 130                 // Constants.FRAMEWORK_VERSION, Constants.FRAMEWORK_STORAGE_CLEAN,
 131                 // Constants.FRAMEWORK_LANGUAGE, Constants.FRAMEWORK_UUID };
 132                 // for (String key : keys)
 133                 // log.debug(key + "=" + bc.getProperty(key));
 134         }
 135
 136         static void printSystemProperties(PrintStream out) {
 137                 TreeMap<String, String> display = new TreeMap<>();
 138                 for (Object key : System.getProperties().keySet())
 139                         display.put(key.toString(), System.getProperty(key.toString()));
 140                 for (String key : display.keySet())
 141                         out.println(key + "=" + display.get(key));
 142         }
 143
 144 //      static Session openAdminSession(Repository repository) {
 145 //              return openAdminSession(repository, null);
 146 //      }
 147 //
 148 //      static Session openAdminSession(final Repository repository, final String workspaceName) {
 149 //              LoginContext loginContext = loginAsDataAdmin();
 150 //              return Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Session>() {
 151 //
 152 //                      @Override
 153 //                      public Session run() {
 154 //                              try {
 155 //                                      return repository.login(workspaceName);
 156 //                              } catch (RepositoryException e) {
 157 //                                      throw new IllegalStateException("Cannot open admin session", e);
 158 //                              } finally {
 159 //                                      try {
 160 //                                              loginContext.logout();
 161 //                                      } catch (LoginException e) {
 162 //                                              throw new IllegalStateException(e);
 163 //                                      }
 164 //                              }
 165 //                      }
 166 //
 167 //              });
 168 //      }
 169 //
 170 //      static LoginContext loginAsDataAdmin() {
 171 //              ClassLoader currentCl = Thread.currentThread().getContextClassLoader();
 172 //              Thread.currentThread().setContextClassLoader(KernelUtils.class.getClassLoader());
 173 //              LoginContext loginContext;
 174 //              try {
 175 //                      loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_DATA_ADMIN);
 176 //                      loginContext.login();
 177 //              } catch (LoginException e1) {
 178 //                      throw new IllegalStateException("Could not login as data admin", e1);
 179 //              } finally {
 180 //                      Thread.currentThread().setContextClassLoader(currentCl);
 181 //              }
 182 //              return loginContext;
 183 //      }
 184
 185 //      static void doAsDataAdmin(Runnable action) {
 186 //              LoginContext loginContext = loginAsDataAdmin();
 187 //              Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Void>() {
 188 //
 189 //                      @Override
 190 //                      public Void run() {
 191 //                              try {
 192 //                                      action.run();
 193 //                                      return null;
 194 //                              } finally {
 195 //                                      try {
 196 //                                              loginContext.logout();
 197 //                                      } catch (LoginException e) {
 198 //                                              throw new IllegalStateException(e);
 199 //                                      }
 200 //                              }
 201 //                      }
 202 //
 203 //              });
 204 //      }
 205
 206 //      public static void asyncOpen(ServiceTracker<?, ?> st) {
 207 //              Runnable run = new Runnable() {
 208 //
 209 //                      @Override
 210 //                      public void run() {
 211 //                              st.open();
 212 //                      }
 213 //              };
 214 //              Activator.getInternalExecutorService().execute(run);
 215 ////            new Thread(run, "Open service tracker " + st).start();
 216 //      }
 217
 218 //      static BundleContext getBundleContext() {
 219 //              return Activator.getBundleContext();
 220 //      }
 221
 222         static boolean asBoolean(String value) {
 223                 if (value == null)
 224                         return false;
 225                 switch (value) {
 226                 case "true":
 227                         return true;
 228                 case "false":
 229                         return false;
 230                 default:
 231                         throw new IllegalArgumentException("Unsupported value for boolean attribute : " + value);
 232                 }
 233         }
 234
 235         private static URI safeUri(String uri) {
 236                 if (uri == null)
 237                         throw new IllegalArgumentException("URI cannot be null");
 238                 try {
 239                         return new URI(uri);
 240                 } catch (URISyntaxException e) {
 241                         throw new IllegalArgumentException("Badly formatted URI " + uri, e);
 242                 }
 243         }
 244
 245         private KernelUtils() {
 246
 247         }
 248 }