Example #1
0
        /// <summary>
        /// Decoded parameters to Map.
        /// </summary>
        /// <param name="input">the stream containing the encoded parameters</param>
        /// <param name="map"></param>
        /// <param name="charset"></param>
        /// <param name="maxLength"></param>
        public static void DecodeTo(Stream input, MultiMap <string> map, string charset, int maxLength)
        {
            if (charset == null || StringUtil.__ISO_8859_1.Equals(charset))
            {
                Decode88591To(input, map, maxLength);
                return;
            }

            if (StringUtil.__UTF8.Equals(charset, StringComparison.OrdinalIgnoreCase))
            {
                DecodeUtf8To(input, map, maxLength);
                return;
            }

            if (StringUtil.__UTF16.Equals(charset, StringComparison.OrdinalIgnoreCase)) // Should be all 2 byte encodings
            {
                DecodeUtf16To(input, map, maxLength);
                return;
            }


            lock (map)
            {
                string key   = null;
                string value = null;

                int c;
                int digit  = 0;
                int digits = 0;

                int totalLength = 0;
                ByteArrayOutputStream2 output = new ByteArrayOutputStream2();
                input.Position = 0;
                long size = 0;

                while ((c = input.ReadByte()) > 0)
                {
                    switch ((char)c)
                    {
                    case '&':
                        size            = output.Length;
                        value           = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
                        output.Position = 0;
                        if (key != null)
                        {
                            map.Append(key, value);
                        }
                        else if (value != null && value.Length > 0)
                        {
                            map.Append(value, "");
                        }
                        key   = null;
                        value = null;
                        break;

                    case '=':
                        if (key != null)
                        {
                            output.WriteByte(c);
                            break;
                        }
                        size            = output.Length;
                        key             = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
                        output.Position = 0;
                        break;

                    case '+':
                        output.WriteByte(' ');
                        break;

                    case '%':
                        digits = 2;
                        break;

                    default:
                        if (digits == 2)
                        {
                            digit  = TypeUtil.ConvertHexDigit((byte)c);
                            digits = 1;
                        }
                        else if (digits == 1)
                        {
                            int v = (byte)(digit << 4) + TypeUtil.ConvertHexDigit((byte)c);
                            output.WriteByte(v);
                            digits = 0;
                        }
                        else
                        {
                            output.WriteByte((byte)c);
                        }
                        break;
                    }

                    totalLength++;
                    if (maxLength >= 0 && totalLength > maxLength)
                    {
                        throw new InvalidOperationException("Form too large");
                    }
                }

                size = output.Length;
                if (key != null)
                {
                    value           = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
                    output.Position = 0;
                    map.Append(key, value);
                }
                else if (size > 0)
                {
                    map.Append(Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size), "");
                }
            }
        }
Example #2
0
        /// <summary>
        /// Decoded parameters to Map.
        /// </summary>
        /// <param name="input">InputSteam to read</param>
        /// <param name="map">MultiMap to Add parameters to</param>
        /// <param name="maxLength">maximum length of conent to read 0r -1 for no limit</param>
        public static void DecodeUtf8To(Stream input, MultiMap <string> map, int maxLength)
        {
            lock (map)
            {
                Utf8StringBuilder buffer = new Utf8StringBuilder();
                string            key    = null;
                string            value  = null;

                int b;

                // TODO cache of parameter names ???
                int totalLength = 0;
                while ((b = input.ReadByte()) >= 0)
                {
                    switch ((char)b)
                    {
                    case '&':
                        value = buffer.Length == 0 ? "" : buffer.ToString();
                        buffer.Reset();
                        if (key != null)
                        {
                            map.Append(key, value);
                        }
                        else if (value != null && value.Length > 0)
                        {
                            map.Append(value, "");
                        }
                        key   = null;
                        value = null;
                        break;

                    case '=':
                        if (key != null)
                        {
                            buffer.Append((byte)b);
                            break;
                        }
                        key = buffer.ToString();
                        buffer.Reset();
                        break;

                    case '+':
                        buffer.Append((byte)' ');
                        break;

                    case '%':
                        int dh = input.ReadByte();
                        int dl = input.ReadByte();
                        if (dh < 0 || dl < 0)
                        {
                            break;
                        }
                        buffer.Append((byte)((TypeUtil.ConvertHexDigit((byte)dh) << 4) + TypeUtil.ConvertHexDigit((byte)dl)));
                        break;

                    default:
                        buffer.Append((byte)b);
                        break;
                    }
                    if (maxLength >= 0 && (++totalLength > maxLength))
                    {
                        throw new InvalidOperationException("Form too large");
                    }
                }

                if (key != null)
                {
                    value = buffer.Length == 0 ? "" : buffer.ToString();
                    buffer.Reset();
                    map.Append(key, value);
                }
                else if (buffer.Length > 0)
                {
                    map.Append(buffer.ToString(), "");
                }
            }
        }
Example #3
0
        /* -------------------------------------------------------------- */

        /** Decoded parameters to Map.
         * @param data the byte[] containing the encoded parameters
         */
        public static void DecodeUtf8To(byte[] raw, int offset, int length, MultiMap <string> map, Utf8StringBuilder buffer)
        {
            lock (map)
            {
                string key   = null;
                string value = null;

                // TODO cache of parameter names ???
                int end = offset + length;
                for (int i = offset; i < end; i++)
                {
                    byte b = raw[i];
                    switch ((char)(0xff & b))
                    {
                    case '&':
                        value = buffer.Length == 0 ? "" : buffer.ToString();
                        buffer.Reset();
                        if (key != null)
                        {
                            map.Append(key, value);
                        }
                        else if (value != null && value.Length > 0)
                        {
                            map.Append(value, "");
                        }
                        key   = null;
                        value = null;
                        break;

                    case '=':
                        if (key != null)
                        {
                            buffer.Append(b);
                            break;
                        }
                        key = buffer.ToString();
                        buffer.Reset();
                        break;

                    case '+':
                        buffer.Append((byte)' ');
                        break;

                    case '%':
                        if (i + 2 < end)
                        {
                            buffer.Append((byte)((TypeUtil.ConvertHexDigit(raw[++i]) << 4) + TypeUtil.ConvertHexDigit(raw[++i])));
                        }
                        break;

                    default:
                        buffer.Append(b);
                        break;
                    }
                }

                if (key != null)
                {
                    value = buffer.Length == 0 ? "" : buffer.ToString();
                    buffer.Reset();
                    map.Append(key, value);
                }
                else if (buffer.Length > 0)
                {
                    map.Append(buffer.ToString(), "");
                }
            }
        }
Example #4
0
 /// <summary>
 /// Decoded parameters to Map.
 /// </summary>
 /// <param name="raw">the byte[] containing the encoded parameters</param>
 /// <param name="offset"></param>
 /// <param name="length"></param>
 /// <param name="map"></param>
 public static void DecodeUtf8To(byte[] raw, int offset, int length, MultiMap <string> map)
 {
     DecodeUtf8To(raw, offset, length, map, new Utf8StringBuilder());
 }
Example #5
0
        /// <summary>
        /// Decoded parameters to Map.
        /// </summary>
        /// <param name="content">the string containing the encoded parameters</param>
        /// <param name="map"></param>
        /// <param name="charset"></param>
        public static void DecodeTo(string content, MultiMap <string> map, string charset)
        {
            if (charset == null)
            {
                charset = StringUtil.__UTF8;
            }

            lock (map)
            {
                string key     = null;
                string value   = null;
                int    mark    = -1;
                bool   encoded = false;
                for (int i = 0; i < content.Length; i++)
                {
                    char c = content[i];
                    switch (c)
                    {
                    case '&':
                        int l = i - mark - 1;
                        value = l == 0 ? "" :
                                (encoded ? DecodeString(content, mark + 1, l, charset) : content.Substring(mark + 1, i - (mark + 1)));
                        mark    = i;
                        encoded = false;
                        if (key != null)
                        {
                            map.Append(key, value);
                        }
                        else if (value != null && value.Length > 0)
                        {
                            map.Append(value, "");
                        }
                        key   = null;
                        value = null;
                        break;

                    case '=':
                        if (key != null)
                        {
                            break;
                        }
                        key     = encoded ? DecodeString(content, mark + 1, i - mark - 1, charset) : content.Substring(mark + 1, i - (mark + 1));
                        mark    = i;
                        encoded = false;
                        break;

                    case '+':
                        encoded = true;
                        break;

                    case '%':
                        encoded = true;
                        break;
                    }
                }

                if (key != null)
                {
                    int l = content.Length - mark - 1;
                    value = l == 0 ? "" : (encoded ? DecodeString(content, mark + 1, l, charset) : content.Substring(mark + 1));
                    map.Append(key, value);
                }
                else if (mark < content.Length)
                {
                    key = encoded
                        ? DecodeString(content, mark + 1, content.Length - mark - 1, charset)
                        : content.Substring(mark + 1);
                    map.Append(key, "");
                }
            }
        }
Example #6
0
        /// <summary>
        /// Encode Hashtable with % encoding.
        /// </summary>
        /// <param name="map">multimap values to encode</param>
        /// <param name="charset">Characterset Encoding</param>
        /// <param name="equalsForNullValue">if True, then an '=' is always used, even
        /// for parameters without a value. e.g. "blah?a=&b=&c=".
        /// </param>
        /// <returns>Encoded string Value</returns>
        public static string Encode(MultiMap <string> map, string charset, bool equalsForNullValue)
        {
            if (charset == null)
            {
                charset = StringUtil.__UTF8;
            }

            StringBuilder result = new StringBuilder(128);

            bool first = true;

            foreach (string key in map.Keys)
            {
                if (!first)
                {
                    result.Append('&');
                }

                object list = map[key];
                int    s    = LazyList.Size(list);

                if (s == 0)
                {
                    result.Append(EncodeString(key, charset));
                    if (equalsForNullValue)
                    {
                        result.Append('=');
                    }
                }
                else
                {
                    for (int i = 0; i < s; i++)
                    {
                        if (i > 0)
                        {
                            result.Append('&');
                        }
                        object val = LazyList.Get(list, i);
                        result.Append(EncodeString(key, charset));

                        if (val != null)
                        {
                            string str = val.ToString();
                            if (str.Length > 0)
                            {
                                result.Append('=');
                                result.Append(EncodeString(str, charset));
                            }
                            else if (equalsForNullValue)
                            {
                                result.Append('=');
                            }
                        }
                        else if (equalsForNullValue)
                        {
                            result.Append('=');
                        }
                    }
                }

                first = false;
            }


            return(result.ToString());
        }