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

   1 package org.argeo.cms.internal.runtime;
   2
   3 import java.io.IOException;
   4 import java.io.PrintStream;
   5 import java.net.URI;
   6 import java.net.URISyntaxException;
   7 import java.net.URL;
   8 import java.nio.file.Path;
   9 import java.nio.file.Paths;
  10 import java.security.URIParameter;
  11 import java.util.Dictionary;
  12 import java.util.Hashtable;
  13 import java.util.Properties;
  14 import java.util.TreeMap;
  15 import java.util.TreeSet;
  16
  17 import org.argeo.api.cms.CmsLog;
  18 import org.argeo.cms.internal.osgi.CmsActivator;
  19
  20 /** Package utilities */
  21 class KernelUtils implements KernelConstants {
  22         final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  23         final static String OSGI_CONFIGURATION_AREA = "osgi.configuration.area";
  24
  25         static void setJaasConfiguration(URL jaasConfigurationUrl) {
  26                 try {
  27                         URIParameter uriParameter = new URIParameter(jaasConfigurationUrl.toURI());
  28                         javax.security.auth.login.Configuration jaasConfiguration = javax.security.auth.login.Configuration
  29                                         .getInstance("JavaLoginConfig", uriParameter);
  30                         javax.security.auth.login.Configuration.setConfiguration(jaasConfiguration);
  31                 } catch (Exception e) {
  32                         throw new IllegalArgumentException("Cannot set configuration " + jaasConfigurationUrl, e);
  33                 }
  34         }
  35
  36         static Dictionary<String, ?> asDictionary(Properties props) {
  37                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  38                 for (Object key : props.keySet()) {
  39                         hashtable.put(key.toString(), props.get(key));
  40                 }
  41                 return hashtable;
  42         }
  43
  44         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  45                 Properties props = new Properties();
  46                 try {
  47                         props.load(cl.getResourceAsStream(resource));
  48                 } catch (IOException e) {
  49                         throw new IllegalArgumentException("Cannot load " + resource + " from classpath", e);
  50                 }
  51                 return asDictionary(props);
  52         }
  53
  54         static Path getExecutionDir(String relativePath) {
  55                 Path executionDir = Paths.get(getFrameworkProp("user.dir"));
  56                 if (relativePath == null)
  57                         return executionDir;
  58 //              try {
  59                 return executionDir.resolve(relativePath);
  60 //              } catch (IOException e) {
  61 //                      throw new IllegalArgumentException("Cannot get canonical file", e);
  62 //              }
  63         }
  64
  65 //      static File getOsgiInstanceDir() {
  66 //              return new File(CmsActivator.getBundleContext().getProperty(OSGI_INSTANCE_AREA).substring("file:".length()))
  67 //                              .getAbsoluteFile();
  68 //      }
  69
  70         public static Path getOsgiInstancePath(String relativePath) {
  71                 URI uri = getOsgiInstanceUri(relativePath);
  72                 if (uri == null) // no data area available
  73                         return null;
  74                 return Paths.get(uri);
  75         }
  76
  77         public static URI getOsgiInstanceUri(String relativePath) {
  78                 String osgiInstanceBaseUri = getFrameworkProp(OSGI_INSTANCE_AREA);
  79                 if (osgiInstanceBaseUri == null) // no data area available
  80                         return null;
  81
  82                 if (!osgiInstanceBaseUri.endsWith("/"))
  83                         osgiInstanceBaseUri = osgiInstanceBaseUri + "/";
  84 //              if (osgiInstanceBaseUri != null)
  85                 return safeUri(osgiInstanceBaseUri + (relativePath != null ? relativePath : ""));
  86 //              else
  87 //                      return Paths.get(System.getProperty("user.dir"), (relativePath != null ? relativePath : "")).toUri();
  88         }
  89
  90 //      static File getOsgiConfigurationFile(String relativePath) {
  91 //              try {
  92 //                      return new File(
  93 //                                      new URI(CmsActivator.getBundleContext().getProperty(OSGI_CONFIGURATION_AREA) + relativePath))
  94 //                                      .getCanonicalFile();
  95 //              } catch (Exception e) {
  96 //                      throw new IllegalArgumentException("Cannot get configuration file for " + relativePath, e);
  97 //              }
  98 //      }
  99
 100         static String getFrameworkProp(String key, String def) {
 101                 String value;
 102                 if (CmsActivator.getBundleContext() != null)
 103                         value = CmsActivator.getBundleContext().getProperty(key);
 104                 else
 105                         value = System.getProperty(key);
 106                 if (value == null)
 107                         return def;
 108                 return value;
 109         }
 110
 111         static String getFrameworkProp(String key) {
 112                 return getFrameworkProp(key, null);
 113         }
 114
 115         // Security
 116         // static Subject anonymousLogin() {
 117         // Subject subject = new Subject();
 118         // LoginContext lc;
 119         // try {
 120         // lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject);
 121         // lc.login();
 122         // return subject;
 123         // } catch (LoginException e) {
 124         // throw new CmsException("Cannot login as anonymous", e);
 125         // }
 126         // }
 127
 128         static void logFrameworkProperties(CmsLog log) {
 129                 for (Object sysProp : new TreeSet<Object>(System.getProperties().keySet())) {
 130                         log.debug(sysProp + "=" + getFrameworkProp(sysProp.toString()));
 131                 }
 132                 // String[] keys = { Constants.FRAMEWORK_STORAGE,
 133                 // Constants.FRAMEWORK_OS_NAME, Constants.FRAMEWORK_OS_VERSION,
 134                 // Constants.FRAMEWORK_PROCESSOR, Constants.FRAMEWORK_SECURITY,
 135                 // Constants.FRAMEWORK_TRUST_REPOSITORIES,
 136                 // Constants.FRAMEWORK_WINDOWSYSTEM, Constants.FRAMEWORK_VENDOR,
 137                 // Constants.FRAMEWORK_VERSION, Constants.FRAMEWORK_STORAGE_CLEAN,
 138                 // Constants.FRAMEWORK_LANGUAGE, Constants.FRAMEWORK_UUID };
 139                 // for (String key : keys)
 140                 // log.debug(key + "=" + bc.getProperty(key));
 141         }
 142
 143         static void printSystemProperties(PrintStream out) {
 144                 TreeMap<String, String> display = new TreeMap<>();
 145                 for (Object key : System.getProperties().keySet())
 146                         display.put(key.toString(), System.getProperty(key.toString()));
 147                 for (String key : display.keySet())
 148                         out.println(key + "=" + display.get(key));
 149         }
 150
 151 //      static Session openAdminSession(Repository repository) {
 152 //              return openAdminSession(repository, null);
 153 //      }
 154 //
 155 //      static Session openAdminSession(final Repository repository, final String workspaceName) {
 156 //              LoginContext loginContext = loginAsDataAdmin();
 157 //              return Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Session>() {
 158 //
 159 //                      @Override
 160 //                      public Session run() {
 161 //                              try {
 162 //                                      return repository.login(workspaceName);
 163 //                              } catch (RepositoryException e) {
 164 //                                      throw new IllegalStateException("Cannot open admin session", e);
 165 //                              } finally {
 166 //                                      try {
 167 //                                              loginContext.logout();
 168 //                                      } catch (LoginException e) {
 169 //                                              throw new IllegalStateException(e);
 170 //                                      }
 171 //                              }
 172 //                      }
 173 //
 174 //              });
 175 //      }
 176 //
 177 //      static LoginContext loginAsDataAdmin() {
 178 //              ClassLoader currentCl = Thread.currentThread().getContextClassLoader();
 179 //              Thread.currentThread().setContextClassLoader(KernelUtils.class.getClassLoader());
 180 //              LoginContext loginContext;
 181 //              try {
 182 //                      loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_DATA_ADMIN);
 183 //                      loginContext.login();
 184 //              } catch (LoginException e1) {
 185 //                      throw new IllegalStateException("Could not login as data admin", e1);
 186 //              } finally {
 187 //                      Thread.currentThread().setContextClassLoader(currentCl);
 188 //              }
 189 //              return loginContext;
 190 //      }
 191
 192 //      static void doAsDataAdmin(Runnable action) {
 193 //              LoginContext loginContext = loginAsDataAdmin();
 194 //              Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Void>() {
 195 //
 196 //                      @Override
 197 //                      public Void run() {
 198 //                              try {
 199 //                                      action.run();
 200 //                                      return null;
 201 //                              } finally {
 202 //                                      try {
 203 //                                              loginContext.logout();
 204 //                                      } catch (LoginException e) {
 205 //                                              throw new IllegalStateException(e);
 206 //                                      }
 207 //                              }
 208 //                      }
 209 //
 210 //              });
 211 //      }
 212
 213 //      public static void asyncOpen(ServiceTracker<?, ?> st) {
 214 //              Runnable run = new Runnable() {
 215 //
 216 //                      @Override
 217 //                      public void run() {
 218 //                              st.open();
 219 //                      }
 220 //              };
 221 //              Activator.getInternalExecutorService().execute(run);
 222 ////            new Thread(run, "Open service tracker " + st).start();
 223 //      }
 224
 225 //      static BundleContext getBundleContext() {
 226 //              return Activator.getBundleContext();
 227 //      }
 228
 229         static boolean asBoolean(String value) {
 230                 if (value == null)
 231                         return false;
 232                 switch (value) {
 233                 case "true":
 234                         return true;
 235                 case "false":
 236                         return false;
 237                 default:
 238                         throw new IllegalArgumentException("Unsupported value for boolean attribute : " + value);
 239                 }
 240         }
 241
 242         private static URI safeUri(String uri) {
 243                 if (uri == null)
 244                         throw new IllegalArgumentException("URI cannot be null");
 245                 try {
 246                         return new URI(uri);
 247                 } catch (URISyntaxException e) {
 248                         throw new IllegalArgumentException("Badly formatted URI " + uri, e);
 249                 }
 250         }
 251
 252         private KernelUtils() {
 253
 254         }
 255 }