Method parseCookie

java/org/apache/tomcat/util/http/parser/Cookie.java:94–159

Parse byte array as cookie header. @param bytes Source @param offset Start point in array @param len Number of bytes to read @param serverCookies Structure to store results @param cookiesWithoutEquals How to handle a cookie name-value-pair that d

(byte[] bytes, int offset, int len, ServerCookies serverCookies,
            CookiesWithoutEquals cookiesWithoutEquals)

     * @param cookiesWithoutEquals How to handle a cookie name-value-pair that does not contain an equals character
     */
    public static void parseCookie(byte[] bytes, int offset, int len, ServerCookies serverCookies,
            CookiesWithoutEquals cookiesWithoutEquals) {

        // ByteBuffer is used throughout this parser as it allows the byte[]
        // and position information to be easily passed between parsing methods
        ByteBuffer bb = new ByteBuffer(bytes, offset, len);

        boolean moreToProcess = true;

        while (moreToProcess) {
            skipLWS(bb);

            int start = bb.position();
            ByteBuffer name = readToken(bb);
            ByteBuffer value = null;

            skipLWS(bb);

            SkipResult skipResult = skipByte(bb, EQUALS_BYTE);
            if (skipResult == SkipResult.FOUND) {
                skipLWS(bb);
                value = readCookieValueRfc6265(bb);
                if (value == null) {
                    // Invalid cookie value. Skip to the next semicolon
                    skipUntilSemiColon(bb);
                    logInvalidHeader(start, bb);
                    continue;
                }
                skipLWS(bb);
            }

            skipResult = skipByte(bb, SEMICOLON_BYTE);
            if (skipResult == SkipResult.FOUND) {
                // NO-OP
            } else if (skipResult == SkipResult.NOT_FOUND) {
                // Invalid cookie. Ignore it and skip to the next semicolon
                skipUntilSemiColon(bb);
                logInvalidHeader(start, bb);
                continue;
            } else {
                // SkipResult.EOF
                moreToProcess = false;
            }

            if (name.hasRemaining()) {
                if (value == null) {
                    switch (cookiesWithoutEquals) {
                        case IGNORE: {
                            // This name-value-pair is a NO-OP
                            break;
                        }
                        case NAME: {
                            ServerCookie sc = serverCookies.addCookie();
                            sc.getName().setBytes(name.array(), name.position(), name.remaining());
                            sc.getValue().setBytes(EMPTY_BYTES, 0, EMPTY_BYTES.length);
                            break;
                        }
                    }