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

   1 package org.argeo.cms.jcr.internal;
   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.PrivilegedAction;
  12 import java.security.URIParameter;
  13 import java.util.Dictionary;
  14 import java.util.Hashtable;
  15 import java.util.Properties;
  16 import java.util.TreeMap;
  17 import java.util.TreeSet;
  18
  19 import javax.jcr.Repository;
  20 import javax.jcr.RepositoryException;
  21 import javax.jcr.Session;
  22 import javax.security.auth.Subject;
  23 import javax.security.auth.login.LoginContext;
  24 import javax.security.auth.login.LoginException;
  25
  26 import org.argeo.api.cms.CmsAuth;
  27 import org.argeo.api.cms.CmsLog;
  28 import org.argeo.cms.jcr.internal.osgi.CmsJcrActivator;
  29 import org.argeo.cms.osgi.DataModelNamespace;
  30 import org.osgi.framework.BundleContext;
  31 import org.osgi.util.tracker.ServiceTracker;
  32
  33 /** Package utilities */
  34 class KernelUtils implements KernelConstants {
  35         final static String OSGI_INSTANCE_AREA = "osgi.instance.area";
  36         final static String OSGI_CONFIGURATION_AREA = "osgi.configuration.area";
  37
  38         static void setJaasConfiguration(URL jaasConfigurationUrl) {
  39                 try {
  40                         URIParameter uriParameter = new URIParameter(jaasConfigurationUrl.toURI());
  41                         javax.security.auth.login.Configuration jaasConfiguration = javax.security.auth.login.Configuration
  42                                         .getInstance("JavaLoginConfig", uriParameter);
  43                         javax.security.auth.login.Configuration.setConfiguration(jaasConfiguration);
  44                 } catch (Exception e) {
  45                         throw new IllegalArgumentException("Cannot set configuration " + jaasConfigurationUrl, e);
  46                 }
  47         }
  48
  49         static Dictionary<String, ?> asDictionary(Properties props) {
  50                 Hashtable<String, Object> hashtable = new Hashtable<String, Object>();
  51                 for (Object key : props.keySet()) {
  52                         hashtable.put(key.toString(), props.get(key));
  53                 }
  54                 return hashtable;
  55         }
  56
  57         static Dictionary<String, ?> asDictionary(ClassLoader cl, String resource) {
  58                 Properties props = new Properties();
  59                 try {
  60                         props.load(cl.getResourceAsStream(resource));
  61                 } catch (IOException e) {
  62                         throw new IllegalArgumentException("Cannot load " + resource + " from classpath", e);
  63                 }
  64                 return asDictionary(props);
  65         }
  66
  67         static File getExecutionDir(String relativePath) {
  68                 File executionDir = new File(getFrameworkProp("user.dir"));
  69                 if (relativePath == null)
  70                         return executionDir;
  71                 try {
  72                         return new File(executionDir, relativePath).getCanonicalFile();
  73                 } catch (IOException e) {
  74                         throw new IllegalArgumentException("Cannot get canonical file", e);
  75                 }
  76         }
  77
  78         static File getOsgiInstanceDir() {
  79                 return new File(getBundleContext().getProperty(OSGI_INSTANCE_AREA).substring("file:".length()))
  80                                 .getAbsoluteFile();
  81         }
  82
  83         static Path getOsgiInstancePath(String relativePath) {
  84                 return Paths.get(getOsgiInstanceUri(relativePath));
  85         }
  86
  87         static URI getOsgiInstanceUri(String relativePath) {
  88                 String osgiInstanceBaseUri = getFrameworkProp(OSGI_INSTANCE_AREA);
  89                 if (osgiInstanceBaseUri != null)
  90                         return safeUri(osgiInstanceBaseUri + (relativePath != null ? relativePath : ""));
  91                 else
  92                         return Paths.get(System.getProperty("user.dir")).toUri();
  93         }
  94
  95         static File getOsgiConfigurationFile(String relativePath) {
  96                 try {
  97                         return new File(new URI(getBundleContext().getProperty(OSGI_CONFIGURATION_AREA) + relativePath))
  98                                         .getCanonicalFile();
  99                 } catch (Exception e) {
 100                         throw new IllegalArgumentException("Cannot get configuration file for " + relativePath, e);
 101                 }
 102         }
 103
 104         static String getFrameworkProp(String key, String def) {
 105                 BundleContext bundleContext = CmsJcrActivator.getBundleContext();
 106                 String value;
 107                 if (bundleContext != null)
 108                         value = bundleContext.getProperty(key);
 109                 else
 110                         value = System.getProperty(key);
 111                 if (value == null)
 112                         return def;
 113                 return value;
 114         }
 115
 116         static String getFrameworkProp(String key) {
 117                 return getFrameworkProp(key, null);
 118         }
 119
 120         // Security
 121         // static Subject anonymousLogin() {
 122         // Subject subject = new Subject();
 123         // LoginContext lc;
 124         // try {
 125         // lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject);
 126         // lc.login();
 127         // return subject;
 128         // } catch (LoginException e) {
 129         // throw new CmsException("Cannot login as anonymous", e);
 130         // }
 131         // }
 132
 133         static void logFrameworkProperties(CmsLog log) {
 134                 BundleContext bc = getBundleContext();
 135                 for (Object sysProp : new TreeSet<Object>(System.getProperties().keySet())) {
 136                         log.debug(sysProp + "=" + bc.getProperty(sysProp.toString()));
 137                 }
 138                 // String[] keys = { Constants.FRAMEWORK_STORAGE,
 139                 // Constants.FRAMEWORK_OS_NAME, Constants.FRAMEWORK_OS_VERSION,
 140                 // Constants.FRAMEWORK_PROCESSOR, Constants.FRAMEWORK_SECURITY,
 141                 // Constants.FRAMEWORK_TRUST_REPOSITORIES,
 142                 // Constants.FRAMEWORK_WINDOWSYSTEM, Constants.FRAMEWORK_VENDOR,
 143                 // Constants.FRAMEWORK_VERSION, Constants.FRAMEWORK_STORAGE_CLEAN,
 144                 // Constants.FRAMEWORK_LANGUAGE, Constants.FRAMEWORK_UUID };
 145                 // for (String key : keys)
 146                 // log.debug(key + "=" + bc.getProperty(key));
 147         }
 148
 149         static void printSystemProperties(PrintStream out) {
 150                 TreeMap<String, String> display = new TreeMap<>();
 151                 for (Object key : System.getProperties().keySet())
 152                         display.put(key.toString(), System.getProperty(key.toString()));
 153                 for (String key : display.keySet())
 154                         out.println(key + "=" + display.get(key));
 155         }
 156
 157         static Session openAdminSession(Repository repository) {
 158                 return openAdminSession(repository, null);
 159         }
 160
 161         static Session openAdminSession(final Repository repository, final String workspaceName) {
 162                 LoginContext loginContext = loginAsDataAdmin();
 163                 return Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Session>() {
 164
 165                         @Override
 166                         public Session run() {
 167                                 try {
 168                                         return repository.login(workspaceName);
 169                                 } catch (RepositoryException e) {
 170                                         throw new IllegalStateException("Cannot open admin session", e);
 171                                 } finally {
 172                                         try {
 173                                                 loginContext.logout();
 174                                         } catch (LoginException e) {
 175                                                 throw new IllegalStateException(e);
 176                                         }
 177                                 }
 178                         }
 179
 180                 });
 181         }
 182
 183         static LoginContext loginAsDataAdmin() {
 184                 ClassLoader currentCl = Thread.currentThread().getContextClassLoader();
 185                 Thread.currentThread().setContextClassLoader(KernelUtils.class.getClassLoader());
 186                 LoginContext loginContext;
 187                 try {
 188                         loginContext = new LoginContext(CmsAuth.LOGIN_CONTEXT_DATA_ADMIN);
 189                         loginContext.login();
 190                 } catch (LoginException e1) {
 191                         throw new IllegalStateException("Could not login as data admin", e1);
 192                 } finally {
 193                         Thread.currentThread().setContextClassLoader(currentCl);
 194                 }
 195                 return loginContext;
 196         }
 197
 198         static void doAsDataAdmin(Runnable action) {
 199                 LoginContext loginContext = loginAsDataAdmin();
 200                 Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Void>() {
 201
 202                         @Override
 203                         public Void run() {
 204                                 try {
 205                                         action.run();
 206                                         return null;
 207                                 } finally {
 208                                         try {
 209                                                 loginContext.logout();
 210                                         } catch (LoginException e) {
 211                                                 throw new IllegalStateException(e);
 212                                         }
 213                                 }
 214                         }
 215
 216                 });
 217         }
 218
 219         static void asyncOpen(ServiceTracker<?, ?> st) {
 220                 Runnable run = new Runnable() {
 221
 222                         @Override
 223                         public void run() {
 224                                 st.open();
 225                         }
 226                 };
 227 //              Activator.getInternalExecutorService().execute(run);
 228                 new Thread(run, "Open service tracker " + st).start();
 229         }
 230
 231         static BundleContext getBundleContext() {
 232                 return CmsJcrActivator.getBundleContext();
 233         }
 234
 235         static boolean asBoolean(String value) {
 236                 if (value == null)
 237                         return false;
 238                 switch (value) {
 239                 case "true":
 240                         return true;
 241                 case "false":
 242                         return false;
 243                 default:
 244                         throw new IllegalArgumentException(
 245                                         "Unsupported value for attribute " + DataModelNamespace.ABSTRACT + ": " + value);
 246                 }
 247         }
 248
 249         private static URI safeUri(String uri) {
 250                 if (uri == null)
 251                         throw new IllegalArgumentException("URI cannot be null");
 252                 try {
 253                         return new URI(uri);
 254                 } catch (URISyntaxException e) {
 255                         throw new IllegalArgumentException("Badly formatted URI " + uri, e);
 256                 }
 257         }
 258
 259         private KernelUtils() {
 260
 261         }
 262 }