Examples with VariableByteInputStream org.exist.storage.io.VariableByteInputStream used on opensource projects

Example 1 with VariableByteInputStream

use of org.exist.storage.io.VariableByteInputStream in project exist by eXist-db.

the class SimpleACLPermissionTest method roundtrip_write_read.

@Test
public void roundtrip_write_read() throws PermissionDeniedException, IOException {
    final SecurityManager mockSecurityManager = EasyMock.createMock(SecurityManager.class);
    final Database mockDatabase = EasyMock.createMock(Database.class);
    final DBBroker mockBroker = EasyMock.createMock(DBBroker.class);
    final Subject mockCurrentSubject = EasyMock.createMock(Subject.class);
    expect(mockSecurityManager.getDatabase()).andReturn(mockDatabase).times(2);
    expect(mockDatabase.getActiveBroker()).andReturn(mockBroker).times(2);
    expect(mockBroker.getCurrentSubject()).andReturn(mockCurrentSubject).times(2);
    expect(mockCurrentSubject.hasDbaRole()).andReturn(true).times(2);
    replay(mockSecurityManager, mockDatabase, mockBroker, mockCurrentSubject);
    SimpleACLPermission permission = new SimpleACLPermission(mockSecurityManager);
    assertEquals(0, permission.getACECount());
    final int userId1 = 1;
    final int mode1 = ALL;
    permission.addUserACE(ACE_ACCESS_TYPE.ALLOWED, userId1, mode1);
    final int groupId2 = 2;
    final int mode2 = Permission.READ;
    permission.addGroupACE(ACE_ACCESS_TYPE.DENIED, groupId2, mode2);
    final VariableByteOutputStream os = new VariableByteOutputStream();
    // write the acl out
    permission.write(os);
    verify(mockSecurityManager, mockDatabase, mockBroker, mockCurrentSubject);
    assertEquals(2, permission.getACECount());
    assertEquals(ACE_ACCESS_TYPE.ALLOWED, permission.getACEAccessType(0));
    assertEquals(userId1, permission.getACEId(0));
    assertEquals(ACE_TARGET.USER, permission.getACETarget(0));
    assertEquals(mode1, permission.getACEMode(0));
    assertEquals(ACE_ACCESS_TYPE.DENIED, permission.getACEAccessType(1));
    assertEquals(groupId2, permission.getACEId(1));
    assertEquals(ACE_TARGET.GROUP, permission.getACETarget(1));
    assertEquals(mode2, permission.getACEMode(1));
    // get the written acl data
    final byte[] data = os.toByteArray();
    // create a new permission instance
    SimpleACLPermission permission2 = new SimpleACLPermission(mockSecurityManager);
    // read the acl in
    permission2.read(new VariableByteInputStream(new UnsynchronizedByteArrayInputStream(data)));
    assertEquals(2, permission2.getACECount());
    assertEquals(ACE_ACCESS_TYPE.ALLOWED, permission2.getACEAccessType(0));
    assertEquals(userId1, permission2.getACEId(0));
    assertEquals(ACE_TARGET.USER, permission2.getACETarget(0));
    assertEquals(mode1, permission2.getACEMode(0));
    assertEquals(ACE_ACCESS_TYPE.DENIED, permission2.getACEAccessType(1));
    assertEquals(groupId2, permission2.getACEId(1));
    assertEquals(ACE_TARGET.GROUP, permission2.getACETarget(1));
    assertEquals(mode2, permission2.getACEMode(1));
}

Example 2 with VariableByteInputStream

use of org.exist.storage.io.VariableByteInputStream in project exist by eXist-db.

the class SymbolTable method loadSymbols.

/**
 * Read the global symbol table. The global symbol table stores QNames and
 * namespace/prefix mappings.
 *
 * @throws EXistException in response to eXist-db error
 */
private synchronized void loadSymbols() throws EXistException {
    try (final InputStream fis = new BufferedInputStream(Files.newInputStream(getFile()))) {
        final VariableByteInput is = new VariableByteInputStream(fis);
        final int magic = is.readFixedInt();
        if (magic == LEGACY_FILE_FORMAT_VERSION_ID) {
            LOG.info("Converting legacy symbols.dbx to new format...");
            readLegacy(is);
            saveSymbols();
        } else if (magic != FILE_FORMAT_VERSION_ID) {
            throw new EXistException("Symbol table was created by an older" + "or newer version of eXist" + " (file id: " + magic + "). " + "To avoid damage, the database will stop.");
        } else {
            read(is);
        }
    } catch (final FileNotFoundException e) {
        throw new EXistException("Could not read " + this.getFile().toAbsolutePath().toString(), e);
    } catch (final IOException e) {
        throw new EXistException("IO error occurred while reading " + this.getFile().toAbsolutePath().toString() + ": " + e.getMessage(), e);
    }
}