Exemplo n.º 1
0
 boolean checkPermission(Permission permission, BundlePermissions bundlePermissions) {
   // check permissions by location
   PermissionInfoCollection locationCollection;
   SecurityTable curCondAdminTable;
   PermissionInfoCollection curPermAdminDefaults;
   // save off the current state of the world while holding the lock
   synchronized (lock) {
     // get location the hard way to avoid permission check
     Bundle bundle = bundlePermissions.getBundle();
     locationCollection =
         bundle instanceof AbstractBundle
             ? permAdminTable.getCollection(
                 ((AbstractBundle) bundle).getBundleData().getLocation())
             : null;
     curCondAdminTable = condAdminTable;
     curPermAdminDefaults = permAdminDefaults;
   }
   if (locationCollection != null) return locationCollection.implies(permission);
   // if conditional admin table is empty the fall back to defaults
   if (curCondAdminTable.isEmpty())
     return curPermAdminDefaults != null
         ? curPermAdminDefaults.implies(permission)
         : DEFAULT_DEFAULT.implies(permission);
   // check the condition table
   int result = curCondAdminTable.evaluate(bundlePermissions, permission);
   if ((result & SecurityTable.GRANTED) != 0) return true;
   if ((result & SecurityTable.DENIED) != 0) return false;
   if ((result & SecurityTable.POSTPONED) != 0) return true;
   return false;
 }
Exemplo n.º 2
0
 public void clearCaches() {
   PermissionInfoCollection[] permAdminCollections;
   SecurityRow[] condAdminRows;
   synchronized (lock) {
     permAdminCollections = permAdminTable.getCollections();
     condAdminRows = condAdminTable.getRows();
   }
   for (int i = 0; i < permAdminCollections.length; i++)
     permAdminCollections[i].clearPermissionCache();
   for (int i = 0; i < condAdminRows.length; i++) condAdminRows[i].clearCaches();
 }
Exemplo n.º 3
0
 public void setPermissions(String location, PermissionInfo[] permissions) {
   checkAllPermission();
   synchronized (lock) {
     permAdminTable.setPermissions(location, permissions);
     try {
       permissionStorage.setPermissionData(location, getEncodedPermissionInfos(permissions));
     } catch (IOException e) {
       // TODO log
       e.printStackTrace();
     }
   }
 }
Exemplo n.º 4
0
 public SecurityAdmin(
     EquinoxSecurityManager supportedSecurityManager,
     Framework framework,
     PermissionStorage permissionStorage)
     throws IOException {
   this.supportedSecurityManager = supportedSecurityManager;
   this.framework = framework;
   this.permissionStorage = new SecurePermissionStorage(permissionStorage);
   this.impliedPermissionInfos =
       SecurityAdmin.getPermissionInfos(
           getClass().getResource(Constants.OSGI_BASE_IMPLIED_PERMISSIONS), framework);
   String[] encodedDefaultInfos = permissionStorage.getPermissionData(null);
   PermissionInfo[] defaultInfos = getPermissionInfos(encodedDefaultInfos);
   if (defaultInfos != null) permAdminDefaults = new PermissionInfoCollection(defaultInfos);
   String[] locations = permissionStorage.getLocations();
   if (locations != null) {
     for (int i = 0; i < locations.length; i++) {
       String[] encodedLocationInfos = permissionStorage.getPermissionData(locations[i]);
       if (encodedLocationInfos != null) {
         PermissionInfo[] locationInfos = getPermissionInfos(encodedLocationInfos);
         permAdminTable.setPermissions(locations[i], locationInfos);
       }
     }
   }
   String[] encodedCondPermInfos = permissionStorage.getConditionalPermissionInfos();
   if (encodedCondPermInfos == null) condAdminTable = new SecurityTable(this, new SecurityRow[0]);
   else {
     SecurityRow[] rows = new SecurityRow[encodedCondPermInfos.length];
     try {
       for (int i = 0; i < rows.length; i++)
         rows[i] = SecurityRow.createSecurityRow(this, encodedCondPermInfos[i]);
     } catch (IllegalArgumentException e) {
       // TODO should log
       // bad format persisted in storage; start clean
       rows = new SecurityRow[0];
     }
     condAdminTable = new SecurityTable(this, rows);
   }
 }
Exemplo n.º 5
0
 public PermissionInfo[] getPermissions(String location) {
   synchronized (lock) {
     return permAdminTable.getPermissions(location);
   }
 }
Exemplo n.º 6
0
 public String[] getLocations() {
   synchronized (lock) {
     String[] results = permAdminTable.getLocations();
     return results.length == 0 ? null : results;
   }
 }