private string GetHash(string url)
{
Base62Converter base62 = new Base62Converter();
string hash = base62.Encode(GetMd5Hash(url));
return(hash.Substring(0, 6));
}
public void Test()
{
var data = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var encoded = Base62Converter.Encode(data);
var decoded = Base62Converter.Decode(encoded);
Assert.Equal(data, decoded);
}
public void ASCII_AND_UTF8_Can_RoundTrip(string input, string expected)
{
var converter = new Base62Converter(Base62Converter.CharacterSet.DEFAULT);
var encoded = converter.Encode(input);
var decoded = converter.Decode(encoded);
Assert.AreEqual(expected, encoded);
Assert.AreEqual(input, decoded);
}
public void NonAscii_CanBe_Decoded()
{
var input = "love爱";
var converter = new Base62Converter(Base62Converter.CharacterSet.DEFAULT);
var encoded = converter.Encode(input);
var decoded = converter.Decode(encoded);
Assert.AreEqual(input, decoded);
}
public void Encoded_Inverted_CanBe_Decoded()
{
var input = "Whatup";
var converter = new Base62Converter(Base62Converter.CharacterSet.INVERTED);
var encoded = converter.Encode(input);
var decoded = converter.Decode(encoded);
Assert.AreEqual(input, decoded);
}
public void Encoded_CanBe_Decoded()
{
var input = "120";
var converter = new Base62Converter();
var encoded = converter.Encode(input);
var decoded = converter.Decode(encoded);
Assert.AreEqual(input, decoded);
}
public void TestEquality()
{
var bytes = new byte[ByteLength];
random.GetBytes(bytes);
var s = Base62Converter.Encode(bytes);
var decode = Base62Converter.Decode(s.ToCharArray());
var encode = Base62Converter.Encode(decode);
Assert.AreEqual(s, encode);
}
/// <summary>
/// Create an acknowledge message.
/// </summary>
/// <param name="timeout">The response timeout.</param>
public AcknowledgeRequest(string token = null)
{
if (token != null)
{
AckToken = token;
}
else
{
byte[] buffer = new byte[2];
_rand.NextBytes(buffer);
AckToken = _tokenGenerator.Encode(
BitConverter.ToString(buffer).Replace("-", string.Empty)
);
}
}
/// <summary>
/// Creates the URL.
/// </summary>
/// <param name="createUrlRequest">The create URL request.</param>
/// <returns></returns>
public async Task <CreateUrlResponse> CreateUrl(CreateUrlRequest createUrlRequest)
{
Ensure.NotNullOrEmpty(createUrlRequest.Url, "url params can't be null");
Base62Converter converter = new Base62Converter();
long id = await this.keyValueStore.GetNewId();
string segment = converter.Encode(id.ToString());
string host = GetHost();
CreateUrlResponse createUrlResponse = CreateUrlResponse
.Create(segment, $"{host}/{segment}", createUrlRequest.Url);
await this.keyValueStore.Add(segment, createUrlResponse);
return(createUrlResponse);
}
public static string ToBase62(this int number)
{
var converter = new Base62Converter();
return(converter.Encode(number.ToString()));
}
public static string Base62Encode(string plainText)
{
return(_base62Converter.Encode(plainText));
}
public static readonly Random Rnd = new Random(); //default
/// <summary>
/// Guid in base64 format
/// </summary>
/// <returns></returns>
public static string NewGuid()
{
// return Regex.Replace(Convert.ToBase64String(Guid.NewGuid().ToByteArray()).Replace("=", ""), "[/]", "-");
return(B62.Encode(Guid.NewGuid().ToByteArray()));
}
