Examples with CharArrayBuffer org.apache.http.util.CharArrayBuffer used on opensource projects

Example 76 with CharArrayBuffer

use of org.apache.http.util.CharArrayBuffer in project xUtils by wyouflf.

the class URLEncodedUtils method parse.

/**
     * Returns a list of {@link org.apache.http.NameValuePair NameValuePairs} as parsed.
     *
     * @param s text to parse.
     * @since 4.2
     */
public static List<NameValuePair> parse(final String s) {
    if (s == null) {
        return Collections.emptyList();
    }
    BasicHeaderValueParser parser = BasicHeaderValueParser.DEFAULT;
    CharArrayBuffer buffer = new CharArrayBuffer(s.length());
    buffer.append(s);
    ParserCursor cursor = new ParserCursor(0, buffer.length());
    List<NameValuePair> list = new ArrayList<NameValuePair>();
    while (!cursor.atEnd()) {
        NameValuePair nvp = parser.parseNameValuePair(buffer, cursor, DELIM);
        if (nvp.getName().length() > 0) {
            list.add(new BasicNameValuePair(nvp.getName(), nvp.getValue()));
        }
    }
    return list;
}

Example 77 with CharArrayBuffer

use of org.apache.http.util.CharArrayBuffer in project XobotOS by xamarin.

the class AuthSchemeBase method processChallenge.

/**
     * Processes the given challenge token. Some authentication schemes
     * may involve multiple challenge-response exchanges. Such schemes must be able 
     * to maintain the state information when dealing with sequential challenges 
     * 
     * @param header the challenge header
     * 
     * @throws MalformedChallengeException is thrown if the authentication challenge
     * is malformed
     */
public void processChallenge(final Header header) throws MalformedChallengeException {
    if (header == null) {
        throw new IllegalArgumentException("Header may not be null");
    }
    String authheader = header.getName();
    if (authheader.equalsIgnoreCase(AUTH.WWW_AUTH)) {
        this.proxy = false;
    } else if (authheader.equalsIgnoreCase(AUTH.PROXY_AUTH)) {
        this.proxy = true;
    } else {
        throw new MalformedChallengeException("Unexpected header name: " + authheader);
    }
    CharArrayBuffer buffer;
    int pos;
    if (header instanceof FormattedHeader) {
        buffer = ((FormattedHeader) header).getBuffer();
        pos = ((FormattedHeader) header).getValuePos();
    } else {
        String s = header.getValue();
        if (s == null) {
            throw new MalformedChallengeException("Header value is null");
        }
        buffer = new CharArrayBuffer(s.length());
        buffer.append(s);
        pos = 0;
    }
    while (pos < buffer.length() && HTTP.isWhitespace(buffer.charAt(pos))) {
        pos++;
    }
    int beginIndex = pos;
    while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) {
        pos++;
    }
    int endIndex = pos;
    String s = buffer.substring(beginIndex, endIndex);
    if (!s.equalsIgnoreCase(getSchemeName())) {
        throw new MalformedChallengeException("Invalid scheme identifier: " + s);
    }
    parseChallenge(buffer, pos, buffer.length());
}

Example 78 with CharArrayBuffer

use of org.apache.http.util.CharArrayBuffer in project XobotOS by xamarin.

the class BasicScheme method authenticate.

/**
     * Returns a basic <tt>Authorization</tt> header value for the given 
     * {@link Credentials} and charset.
     * 
     * @param credentials The credentials to encode.
     * @param charset The charset to use for encoding the credentials
     * 
     * @return a basic authorization header
     */
public static Header authenticate(final Credentials credentials, final String charset, boolean proxy) {
    if (credentials == null) {
        throw new IllegalArgumentException("Credentials may not be null");
    }
    if (charset == null) {
        throw new IllegalArgumentException("charset may not be null");
    }
    StringBuilder tmp = new StringBuilder();
    tmp.append(credentials.getUserPrincipal().getName());
    tmp.append(":");
    tmp.append((credentials.getPassword() == null) ? "null" : credentials.getPassword());
    byte[] base64password = Base64.encodeBase64(EncodingUtils.getBytes(tmp.toString(), charset));
    CharArrayBuffer buffer = new CharArrayBuffer(32);
    if (proxy) {
        buffer.append(AUTH.PROXY_AUTH_RESP);
    } else {
        buffer.append(AUTH.WWW_AUTH_RESP);
    }
    buffer.append(": Basic ");
    buffer.append(base64password, 0, base64password.length);
    return new BufferedHeader(buffer);
}

Example 79 with CharArrayBuffer

use of org.apache.http.util.CharArrayBuffer in project XobotOS by xamarin.

the class DigestScheme method createDigestHeader.

/**
     * Creates digest-response header as defined in RFC2617.
     * 
     * @param credentials User credentials
     * @param digest The response tag's value as String.
     * 
     * @return The digest-response as String.
     */
private Header createDigestHeader(final Credentials credentials, final String digest) throws AuthenticationException {
    CharArrayBuffer buffer = new CharArrayBuffer(128);
    if (isProxy()) {
        buffer.append(AUTH.PROXY_AUTH_RESP);
    } else {
        buffer.append(AUTH.WWW_AUTH_RESP);
    }
    buffer.append(": Digest ");
    String uri = getParameter("uri");
    String realm = getParameter("realm");
    String nonce = getParameter("nonce");
    String opaque = getParameter("opaque");
    String response = digest;
    String algorithm = getParameter("algorithm");
    String uname = credentials.getUserPrincipal().getName();
    List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>(20);
    params.add(new BasicNameValuePair("username", uname));
    params.add(new BasicNameValuePair("realm", realm));
    params.add(new BasicNameValuePair("nonce", nonce));
    params.add(new BasicNameValuePair("uri", uri));
    params.add(new BasicNameValuePair("response", response));
    if (qopVariant != QOP_MISSING) {
        params.add(new BasicNameValuePair("qop", getQopVariantString()));
        params.add(new BasicNameValuePair("nc", NC));
        params.add(new BasicNameValuePair("cnonce", getCnonce()));
    }
    if (algorithm != null) {
        params.add(new BasicNameValuePair("algorithm", algorithm));
    }
    if (opaque != null) {
        params.add(new BasicNameValuePair("opaque", opaque));
    }
    for (int i = 0; i < params.size(); i++) {
        BasicNameValuePair param = params.get(i);
        if (i > 0) {
            buffer.append(", ");
        }
        boolean noQuotes = "nc".equals(param.getName()) || "qop".equals(param.getName());
        BasicHeaderValueFormatter.DEFAULT.formatNameValuePair(buffer, param, !noQuotes);
    }
    return new BufferedHeader(buffer);
}

Example 80 with CharArrayBuffer

use of org.apache.http.util.CharArrayBuffer in project XobotOS by xamarin.

the class AbstractAuthenticationHandler method parseChallenges.

protected Map<String, Header> parseChallenges(final Header[] headers) throws MalformedChallengeException {
    Map<String, Header> map = new HashMap<String, Header>(headers.length);
    for (Header header : headers) {
        CharArrayBuffer buffer;
        int pos;
        if (header instanceof FormattedHeader) {
            buffer = ((FormattedHeader) header).getBuffer();
            pos = ((FormattedHeader) header).getValuePos();
        } else {
            String s = header.getValue();
            if (s == null) {
                throw new MalformedChallengeException("Header value is null");
            }
            buffer = new CharArrayBuffer(s.length());
            buffer.append(s);
            pos = 0;
        }
        while (pos < buffer.length() && HTTP.isWhitespace(buffer.charAt(pos))) {
            pos++;
        }
        int beginIndex = pos;
        while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) {
            pos++;
        }
        int endIndex = pos;
        String s = buffer.substring(beginIndex, endIndex);
        map.put(s.toLowerCase(Locale.ENGLISH), header);
    }
    return map;
}