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131 lines
3.2 KiB
131 lines
3.2 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.IO; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Encoders |
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{ |
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/** |
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* Convert binary data to and from UrlBase64 encoding. This is identical to |
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* Base64 encoding, except that the padding character is "." and the other |
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* non-alphanumeric characters are "-" and "_" instead of "+" and "/". |
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* <p> |
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* The purpose of UrlBase64 encoding is to provide a compact encoding of binary |
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* data that is safe for use as an URL parameter. Base64 encoding does not |
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* produce encoded values that are safe for use in URLs, since "/" can be |
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* interpreted as a path delimiter; "+" is the encoded form of a space; and |
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* "=" is used to separate a name from the corresponding value in an URL |
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* parameter. |
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* </p> |
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*/ |
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public class UrlBase64 |
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{ |
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private static readonly IEncoder encoder = new UrlBase64Encoder(); |
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|
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/** |
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* Encode the input data producing a URL safe base 64 encoded byte array. |
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* |
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* @return a byte array containing the URL safe base 64 encoded data. |
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*/ |
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public static byte[] Encode( |
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byte[] data) |
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{ |
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MemoryStream bOut = new MemoryStream(); |
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|
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try |
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{ |
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encoder.Encode(data, 0, data.Length, bOut); |
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} |
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catch (IOException e) |
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{ |
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throw new Exception("exception encoding URL safe base64 string: " + e.Message, e); |
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} |
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return bOut.ToArray(); |
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} |
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/** |
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* Encode the byte data writing it to the given output stream. |
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* |
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* @return the number of bytes produced. |
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*/ |
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public static int Encode( |
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byte[] data, |
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Stream outStr) |
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{ |
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return encoder.Encode(data, 0, data.Length, outStr); |
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} |
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/** |
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* Decode the URL safe base 64 encoded input data - white space will be ignored. |
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* |
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* @return a byte array representing the decoded data. |
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*/ |
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public static byte[] Decode( |
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byte[] data) |
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{ |
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MemoryStream bOut = new MemoryStream(); |
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try |
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{ |
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encoder.Decode(data, 0, data.Length, bOut); |
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} |
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catch (IOException e) |
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{ |
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throw new Exception("exception decoding URL safe base64 string: " + e.Message, e); |
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} |
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return bOut.ToArray(); |
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} |
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/** |
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* decode the URL safe base 64 encoded byte data writing it to the given output stream, |
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* whitespace characters will be ignored. |
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* |
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* @return the number of bytes produced. |
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*/ |
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public static int Decode( |
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byte[] data, |
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Stream outStr) |
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{ |
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return encoder.Decode(data, 0, data.Length, outStr); |
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} |
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/** |
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* decode the URL safe base 64 encoded string data - whitespace will be ignored. |
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* |
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* @return a byte array representing the decoded data. |
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*/ |
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public static byte[] Decode( |
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string data) |
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{ |
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MemoryStream bOut = new MemoryStream(); |
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try |
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{ |
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encoder.DecodeString(data, bOut); |
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} |
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catch (IOException e) |
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{ |
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throw new Exception("exception decoding URL safe base64 string: " + e.Message, e); |
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} |
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return bOut.ToArray(); |
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} |
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/** |
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* Decode the URL safe base 64 encoded string data writing it to the given output stream, |
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* whitespace characters will be ignored. |
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* |
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* @return the number of bytes produced. |
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*/ |
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public static int Decode( |
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string data, |
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Stream outStr) |
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{ |
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return encoder.DecodeString(data, outStr); |
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} |
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} |
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} |
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#pragma warning restore |
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#endif
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