Пример #1
0
  /**
   * Constructor.
   *
   * @param rq request
   * @param rs response
   * @throws IOException I/O exception
   */
  public HTTPContext(final HttpServletRequest rq, final HttpServletResponse rs) throws IOException {

    req = rq;
    res = rs;
    final String m = rq.getMethod();
    method = HTTPMethod.get(m);

    final StringBuilder uri = new StringBuilder(req.getRequestURL());
    final String qs = req.getQueryString();
    if (qs != null) uri.append('?').append(qs);
    log(false, m, uri);

    // set UTF8 as default encoding (can be overwritten)
    res.setCharacterEncoding(UTF8);

    segments = toSegments(req.getPathInfo());
    path = join(0);

    user = System.getProperty(DBUSER);
    pass = System.getProperty(DBPASS);

    // set session-specific credentials
    final String auth = req.getHeader(AUTHORIZATION);
    if (auth != null) {
      final String[] values = auth.split(" ");
      if (values[0].equals(BASIC)) {
        final String[] cred = Base64.decode(values[1]).split(":", 2);
        if (cred.length != 2) throw new LoginException(NOPASSWD);
        user = cred[0];
        pass = cred[1];
      } else {
        throw new LoginException(WHICHAUTH, values[0]);
      }
    }
  }
Пример #2
0
 /**
  * Adds a record to the table and the ID index.
  *
  * @param i index in the table where the record should be inserted
  * @param pre pre value
  * @param fid first ID value
  * @param nid last ID value
  * @param inc increment value
  * @param oid original ID value
  */
 private void add(
     final int i, final int pre, final int fid, final int nid, final int inc, final int oid) {
   if (rows == pres.length) {
     final int s = Array.newSize(rows);
     pres = Arrays.copyOf(pres, s);
     fids = Arrays.copyOf(fids, s);
     nids = Arrays.copyOf(nids, s);
     incs = Arrays.copyOf(incs, s);
     oids = Arrays.copyOf(oids, s);
   }
   if (i < rows) {
     final int destPos = i + 1;
     final int length = rows - i;
     System.arraycopy(pres, i, pres, destPos, length);
     System.arraycopy(fids, i, fids, destPos, length);
     System.arraycopy(nids, i, nids, destPos, length);
     System.arraycopy(incs, i, incs, destPos, length);
     System.arraycopy(oids, i, oids, destPos, length);
   }
   pres[i] = pre;
   fids[i] = fid;
   nids[i] = nid;
   incs[i] = inc;
   oids[i] = oid;
   ++rows;
 }
Пример #3
0
 /**
  * Removes a records from the table and the ID index.
  *
  * @param s start index of records in the table (inclusive)
  * @param e end index of records in the table (inclusive)
  */
 private void remove(final int s, final int e) {
   if (s <= e) {
     final int last = e + 1;
     final int length = rows - last;
     System.arraycopy(pres, last, pres, s, length);
     System.arraycopy(fids, last, fids, s, length);
     System.arraycopy(nids, last, nids, s, length);
     System.arraycopy(incs, last, incs, s, length);
     System.arraycopy(oids, last, oids, s, length);
     rows -= last - s;
   }
 }
Пример #4
0
 /**
  * Returns an information string for an unexpected exception.
  *
  * @param ex exception
  * @return dummy object
  */
 public static String bug(final Throwable ex) {
   final TokenBuilder tb = new TokenBuilder(BUGINFO);
   tb.add(NL).add("Contact: ").add(MAIL);
   tb.add(NL).add("Version: ").add(TITLE);
   tb.add(NL).add("Java: ").add(System.getProperty("java.vendor"));
   tb.add(", ").add(System.getProperty("java.version"));
   tb.add(NL).add("OS: ").add(System.getProperty("os.name"));
   tb.add(", ").add(System.getProperty("os.arch"));
   tb.add(NL).add("Stack Trace: ");
   for (final String e : toArray(ex)) tb.add(NL).add(e);
   return tb.toString();
 }
Пример #5
0
  /**
   * Runs a request with the specified arguments and server arguments.
   *
   * @param args command-line arguments
   * @param sargs server arguments
   * @return result
   * @throws IOException I/O exception
   */
  private static String run(final String[] args, final String[] sargs) throws IOException {
    final BaseXServer server = createServer(sargs);
    final ArrayOutput ao = new ArrayOutput();
    System.setOut(new PrintStream(ao));
    System.setErr(NULL);

    final StringList sl = new StringList();
    sl.add("-p9999").add("-U" + Text.S_ADMIN).add("-P" + Text.S_ADMIN).add(args);
    try {
      new BaseXClient(sl.finish());
      return ao.toString();
    } finally {
      System.setErr(ERR);
      stopServer(server);
    }
  }
Пример #6
0
 /**
  * Writes a log message.
  *
  * @param str strings to be written
  * @param time add performance info
  */
 public void log(final boolean time, final Object... str) {
   final Object[] obj = new Object[str.length + (time ? 2 : 1)];
   obj[0] = remote();
   System.arraycopy(str, 0, obj, 1, str.length);
   if (time) obj[obj.length - 1] = perf.toString();
   context.log.write(obj);
 }
Пример #7
0
 /**
  * Returns a password from standard input.
  *
  * @return password
  */
 public static String password() {
   // use standard input if no console if defined (such as in Eclipse)
   if (NOCONSOLE) return input();
   // hide password
   final char[] pw = System.console().readPassword();
   return pw != null ? new String(pw) : "";
 }
Пример #8
0
 /**
  * Main method, launching the standalone mode. Command-line arguments are listed with the {@code
  * -h} argument.
  *
  * @param args command-line arguments
  */
 public static void main(final String... args) {
   try {
     new BaseX(args);
   } catch (final IOException ex) {
     Util.errln(ex);
     System.exit(1);
   }
 }
Пример #9
0
  /**
   * Initializes the servlet context, based on the servlet context. Parses all context parameters
   * and passes them on to the database context.
   *
   * @param sc servlet context
   * @throws IOException I/O exception
   */
  static synchronized void init(final ServletContext sc) throws IOException {
    // skip process if context has already been initialized
    if (context != null) return;

    // set servlet path as home directory
    final String path = sc.getRealPath("/");
    System.setProperty(Prop.PATH, path);

    // parse all context parameters
    final HashMap<String, String> map = new HashMap<String, String>();
    // store default web root
    map.put(MainProp.HTTPPATH[0].toString(), path);

    final Enumeration<?> en = sc.getInitParameterNames();
    while (en.hasMoreElements()) {
      final String key = en.nextElement().toString();
      if (!key.startsWith(Prop.DBPREFIX)) continue;

      // only consider parameters that start with "org.basex."
      String val = sc.getInitParameter(key);
      if (eq(key, DBUSER, DBPASS, DBMODE, DBVERBOSE)) {
        // store servlet-specific parameters as system properties
        System.setProperty(key, val);
      } else {
        // prefix relative paths with absolute servlet path
        if (key.endsWith("path") && !new File(val).isAbsolute()) {
          val = path + File.separator + val;
        }
        // store remaining parameters (without project prefix) in map
        map.put(key.substring(Prop.DBPREFIX.length()).toUpperCase(Locale.ENGLISH), val);
      }
    }
    context = new Context(map);

    if (SERVER.equals(System.getProperty(DBMODE))) {
      new BaseXServer(context);
    } else {
      context.log = new Log(context);
    }
  }
Пример #10
0
  /**
   * Starts the specified class in a separate process.
   *
   * @param clz class to start
   * @param args command-line arguments
   * @return reference to a {@link Process} instance representing the started process
   */
  public static Process start(final Class<?> clz, final String... args) {
    final String[] largs = {
      "java",
      "-Xmx" + Runtime.getRuntime().maxMemory(),
      "-cp",
      System.getProperty("java.class.path"),
      clz.getName(),
      "-D",
    };
    final StringList sl = new StringList().add(largs).add(args);

    try {
      return new ProcessBuilder(sl.toArray()).start();
    } catch (final IOException ex) {
      notexpected(ex);
      return null;
    }
  }
Пример #11
0
  /**
   * Adds values to the index.
   *
   * @param key key to be indexed
   * @param vals sorted values
   */
  void add(final byte[] key, final int... vals) {
    // token index: add values. otherwise, reference existing values
    final int id = type == IndexType.TOKEN ? values.put(key) : values.id(key), vl = vals.length;
    // updatable index: if required, resize existing arrays
    while (idsList.size() < id + 1) idsList.add(null);
    if (lenList.size() < id + 1) lenList.set(id, 0);

    final int len = lenList.get(id), size = len + vl;
    int[] ids = idsList.get(id);
    if (ids == null) {
      ids = vals;
    } else {
      if (ids.length < size) ids = Arrays.copyOf(ids, Array.newSize(size));
      System.arraycopy(vals, 0, ids, len, vl);
      if (ids[len - 1] > vals[0]) {
        if (reorder == null) reorder = new BoolList(values.size());
        reorder.set(id, true);
      }
    }
    idsList.set(id, ids);
    lenList.set(id, size);
  }
Пример #12
0
/**
 * This class contains static methods, which are used throughout the project. The methods are used
 * for dumping error output, debugging information, getting the application path, etc.
 *
 * @author BaseX Team 2005-12, BSD License
 * @author Christian Gruen
 */
public final class Util {
  /** Flag for using default standard input. */
  private static final boolean NOCONSOLE = System.console() == null;

  /** Hidden constructor. */
  private Util() {}

  /**
   * Returns an information string for an unexpected exception.
   *
   * @param ex exception
   * @return dummy object
   */
  public static String bug(final Throwable ex) {
    final TokenBuilder tb = new TokenBuilder(BUGINFO);
    tb.add(NL).add("Contact: ").add(MAIL);
    tb.add(NL).add("Version: ").add(TITLE);
    tb.add(NL).add("Java: ").add(System.getProperty("java.vendor"));
    tb.add(", ").add(System.getProperty("java.version"));
    tb.add(NL).add("OS: ").add(System.getProperty("os.name"));
    tb.add(", ").add(System.getProperty("os.arch"));
    tb.add(NL).add("Stack Trace: ");
    for (final String e : toArray(ex)) tb.add(NL).add(e);
    return tb.toString();
  }

  /**
   * Throws a runtime exception for an unexpected exception.
   *
   * @param ext optional extension
   * @return runtime exception (indicates that an error is raised)
   */
  public static RuntimeException notexpected(final Object... ext) {
    final TokenBuilder tb = new TokenBuilder();
    tb.addExt("%", ext.length == 0 ? "Not Expected." : ext[0]);
    throw new RuntimeException(tb.toString());
  }

  /**
   * Throws a runtime exception for an unimplemented method.
   *
   * @param ext optional extension
   * @return runtime exception (indicates that an error is raised)
   */
  public static RuntimeException notimplemented(final Object... ext) {
    final TokenBuilder tb = new TokenBuilder("Not Implemented");
    if (ext.length != 0) tb.addExt(" (%)", ext);
    throw new UnsupportedOperationException(tb.add('.').toString());
  }

  /**
   * Returns the class name of the specified object.
   *
   * @param o object
   * @return class name
   */
  public static String name(final Object o) {
    return name(o.getClass());
  }

  /**
   * Returns the name of the specified class.
   *
   * @param o object
   * @return class name
   */
  public static String name(final Class<?> o) {
    return o.getSimpleName();
  }

  /**
   * Returns a single line from standard input.
   *
   * @return string
   */
  public static String input() {
    final Scanner sc = new Scanner(System.in);
    return sc.hasNextLine() ? sc.nextLine().trim() : "";
  }

  /**
   * Returns a password from standard input.
   *
   * @return password
   */
  public static String password() {
    // use standard input if no console if defined (such as in Eclipse)
    if (NOCONSOLE) return input();
    // hide password
    final char[] pw = System.console().readPassword();
    return pw != null ? new String(pw) : "";
  }

  /** Prints a newline to standard output. */
  public static void outln() {
    out(NL);
  }

  /**
   * Prints a string to standard output, followed by a newline.
   *
   * @param str output string
   * @param ext text optional extensions
   */
  public static void outln(final Object str, final Object... ext) {
    out((str instanceof byte[] ? Token.string((byte[]) str) : str) + NL, ext);
  }

  /**
   * Prints a string to standard output.
   *
   * @param str output string
   * @param ext text optional extensions
   */
  public static void out(final Object str, final Object... ext) {
    System.out.print(info(str, ext));
  }

  /**
   * Prints a string to standard error, followed by a newline.
   *
   * @param obj error string
   * @param ext text optional extensions
   */
  public static void errln(final Object obj, final Object... ext) {
    err((obj instanceof Throwable ? message((Throwable) obj) : obj) + NL, ext);
  }

  /**
   * Prints a string to standard error.
   *
   * @param string debug string
   * @param ext text optional extensions
   */
  public static void err(final String string, final Object... ext) {
    System.err.print(info(string, ext));
  }

  /**
   * Returns a more user-friendly error message for the specified exception.
   *
   * @param ex throwable reference
   * @return error message
   */
  public static String message(final Throwable ex) {
    debug(ex);
    if (ex instanceof BindException) return SRV_RUNNING;
    if (ex instanceof LoginException) return ACCESS_DENIED;
    if (ex instanceof ConnectException) return CONNECTION_ERROR;
    if (ex instanceof SocketTimeoutException) return TIMEOUT_EXCEEDED;
    if (ex instanceof SocketException) return CONNECTION_ERROR;
    String msg = ex.getMessage();
    if (msg == null || msg.isEmpty()) msg = ex.toString();
    if (ex instanceof FileNotFoundException) return info(RES_NOT_FOUND_X, msg);
    if (ex instanceof UnknownHostException) return info(UNKNOWN_HOST_X, msg);
    return msg;
  }

  /**
   * Prints the exception stack trace if the {@link Prop#debug} flag is set.
   *
   * @param ex exception
   */
  public static void debug(final Throwable ex) {
    if (Prop.debug && ex != null) stack(ex);
  }

  /**
   * Prints a string to standard error if the {@link Prop#debug} flag is set.
   *
   * @param str debug string
   * @param ext text optional extensions
   */
  public static void debug(final Object str, final Object... ext) {
    if (Prop.debug) errln(str, ext);
  }

  /**
   * Prints performance information if the {@link Prop#debug} flag is set.
   *
   * @param perf performance reference
   */
  public static void memory(final Performance perf) {
    if (!Prop.debug) return;
    errln(" " + perf + " (" + Performance.getMemory() + ')');
  }

  /**
   * Returns a string and replaces all % characters by the specified extensions (see {@link
   * TokenBuilder#addExt} for details).
   *
   * @param str string to be extended
   * @param ext text text extensions
   * @return extended string
   */
  public static String info(final Object str, final Object... ext) {
    return Token.string(inf(str, ext));
  }

  /**
   * Returns a token and replaces all % characters by the specified extensions (see {@link
   * TokenBuilder#addExt} for details).
   *
   * @param str string to be extended
   * @param ext text text extensions
   * @return token
   */
  public static byte[] inf(final Object str, final Object... ext) {
    return new TokenBuilder().addExt(str, ext).finish();
  }

  /**
   * Prints the current stack trace to System.err.
   *
   * @param i number of steps to print
   */
  public static void stack(final int i) {
    errln("You're here:");
    final String[] stack = toArray(new Throwable());
    final int l = Math.min(Math.max(2, i + 2), stack.length);
    for (int s = 2; s < l; ++s) errln(stack[s]);
  }

  /**
   * Prints the stack of the specified error to standard error.
   *
   * @param th error/exception instance
   */
  public static void stack(final Throwable th) {
    for (final String s : toArray(th)) errln(s);
  }

  /**
   * Returns an string array representation of the specified throwable.
   *
   * @param th throwable
   * @return string array
   */
  private static String[] toArray(final Throwable th) {
    final StackTraceElement[] st = th.getStackTrace();
    final String[] obj = new String[st.length + 1];
    obj[0] = th.toString();
    for (int i = 0; i < st.length; i++) obj[i + 1] = "  " + st[i];
    return obj;
  }

  /**
   * Starts the specified class in a separate process.
   *
   * @param clz class to start
   * @param args command-line arguments
   * @return reference to a {@link Process} instance representing the started process
   */
  public static Process start(final Class<?> clz, final String... args) {
    final String[] largs = {
      "java",
      "-Xmx" + Runtime.getRuntime().maxMemory(),
      "-cp",
      System.getProperty("java.class.path"),
      clz.getName(),
      "-D",
    };
    final StringList sl = new StringList().add(largs).add(args);

    try {
      return new ProcessBuilder(sl.toArray()).start();
    } catch (final IOException ex) {
      notexpected(ex);
      return null;
    }
  }

  /**
   * Checks if the specified string is "yes", "true" or "on".
   *
   * @param string string to be checked
   * @return result of check
   */
  public static boolean yes(final String string) {
    return Token.eqic(string, YES, TRUE, ON, INFOON);
  }

  /**
   * Checks if the specified string is "no", "false" or "off".
   *
   * @param string string to be checked
   * @return result of check
   */
  public static boolean no(final String string) {
    return Token.eqic(string, NO, FALSE, OFF, INFOOFF);
  }

  /**
   * Returns an info message for the specified flag.
   *
   * @param flag current flag status
   * @return ON/OFF message
   */
  public static String flag(final boolean flag) {
    return flag ? INFOON : INFOOFF;
  }
}