Examples with CharChunk org.apache.tomcat.util.buf.CharChunk used on opensource projects

Example 1 with CharChunk

use of org.apache.tomcat.util.buf.CharChunk in project tomcat by apache.

the class CoyoteAdapter method checkNormalize.

/**
     * Check that the URI is normalized following character decoding. This
     * method checks for "\", 0, "//", "/./" and "/../".
     *
     * @param uriMB URI to be checked (should be chars)
     *
     * @return <code>false</code> if sequences that are supposed to be
     *         normalized are still present in the URI, otherwise
     *         <code>true</code>
     */
public static boolean checkNormalize(MessageBytes uriMB) {
    CharChunk uriCC = uriMB.getCharChunk();
    char[] c = uriCC.getChars();
    int start = uriCC.getStart();
    int end = uriCC.getEnd();
    int pos = 0;
    // Check for '\' and 0
    for (pos = start; pos < end; pos++) {
        if (c[pos] == '\\') {
            return false;
        }
        if (c[pos] == 0) {
            return false;
        }
    }
    // Check for "//"
    for (pos = start; pos < (end - 1); pos++) {
        if (c[pos] == '/') {
            if (c[pos + 1] == '/') {
                return false;
            }
        }
    }
    // Check for ending with "/." or "/.."
    if (((end - start) >= 2) && (c[end - 1] == '.')) {
        if ((c[end - 2] == '/') || ((c[end - 2] == '.') && (c[end - 3] == '/'))) {
            return false;
        }
    }
    // Check for "/./"
    if (uriCC.indexOf("/./", 0, 3, 0) >= 0) {
        return false;
    }
    // Check for "/../"
    if (uriCC.indexOf("/../", 0, 4, 0) >= 0) {
        return false;
    }
    return true;
}

Example 2 with CharChunk

use of org.apache.tomcat.util.buf.CharChunk in project tomcat70 by apache.

the class AjpMessage method appendBytes.

/**
 * Write a MessageBytes out at the current write position.
 * A null MessageBytes is encoded as a string with length 0.
 */
public void appendBytes(MessageBytes mb) {
    if (mb == null) {
        log.error(sm.getString("ajpmessage.null"), new NullPointerException());
        appendInt(0);
        appendByte(0);
        return;
    }
    if (mb.getType() == MessageBytes.T_BYTES) {
        ByteChunk bc = mb.getByteChunk();
        appendByteChunk(bc);
    } else if (mb.getType() == MessageBytes.T_CHARS) {
        CharChunk cc = mb.getCharChunk();
        appendCharChunk(cc);
    } else {
        appendString(mb.toString());
    }
}

Example 3 with CharChunk

use of org.apache.tomcat.util.buf.CharChunk in project tomcat70 by apache.

the class CoyoteAdapter method convertMB.

/**
 * Character conversion of the a US-ASCII MessageBytes.
 */
protected void convertMB(MessageBytes mb) {
    // This is of course only meaningful for bytes
    if (mb.getType() != MessageBytes.T_BYTES) {
        return;
    }
    ByteChunk bc = mb.getByteChunk();
    CharChunk cc = mb.getCharChunk();
    int length = bc.getLength();
    cc.allocate(length, -1);
    // Default encoding: fast conversion
    byte[] bbuf = bc.getBuffer();
    char[] cbuf = cc.getBuffer();
    int start = bc.getStart();
    for (int i = 0; i < length; i++) {
        cbuf[i] = (char) (bbuf[i + start] & 0xff);
    }
    mb.setChars(cbuf, 0, length);
}

Example 4 with CharChunk

use of org.apache.tomcat.util.buf.CharChunk in project tomcat70 by apache.

the class InputBuffer method recycle.

// --------------------------------------------------------- Public Methods
/**
 * Recycle the output buffer.
 */
public void recycle() {
    state = INITIAL_STATE;
    // If usage of mark made the buffer too big, reallocate it
    if (cb.getChars().length > size) {
        cb = new CharChunk(size);
        cb.setLimit(size);
        cb.setOptimizedWrite(false);
        cb.setCharInputChannel(this);
        cb.setCharOutputChannel(this);
    } else {
        cb.recycle();
    }
    markPos = -1;
    bb.recycle();
    closed = false;
    if (conv != null) {
        conv.recycle();
    }
    gotEnc = false;
    enc = null;
}

Example 5 with CharChunk

use of org.apache.tomcat.util.buf.CharChunk in project tomcat70 by apache.

the class TesterBase64Performance method testDecode.

@SuppressWarnings("deprecation")
@Test
public void testDecode() throws Exception {
    List<ByteChunk> inputs = new ArrayList<ByteChunk>(SIZE);
    for (int i = 0; i < SIZE; i++) {
        String decodedString = "abc" + Integer.valueOf(i) + ":abc" + Integer.valueOf(i);
        byte[] decodedBytes = decodedString.getBytes(B2CConverter.ISO_8859_1);
        String encodedString = DatatypeConverter.printBase64Binary(decodedBytes);
        byte[] encodedBytes = encodedString.getBytes(B2CConverter.ISO_8859_1);
        ByteChunk bc = new ByteChunk(encodedBytes.length);
        bc.append(encodedBytes, 0, encodedBytes.length);
        inputs.add(bc);
    }
    long startTomcat = System.currentTimeMillis();
    for (ByteChunk bc : inputs) {
        CharChunk cc = new CharChunk(bc.getLength());
        Base64.decode(bc, cc);
    }
    long stopTomcat = System.currentTimeMillis();
    System.out.println("Tomcat: " + (stopTomcat - startTomcat) + " ms");
    long startCodec = System.currentTimeMillis();
    for (ByteChunk bc : inputs) {
        org.apache.tomcat.util.codec.binary.Base64.decodeBase64(bc.getBuffer(), bc.getOffset(), bc.getLength());
    }
    long stopCodec = System.currentTimeMillis();
    System.out.println("Codec: " + (stopCodec - startCodec) + " ms");
}