public string Sign(SignatureContext context)
{
var hmac = new HMACSHA1();
var secret = context.Secret.UrlEncode();
if (secret == null) secret = Guid.NewGuid().ToString();
hmac.Key = context.Encoding.GetBytes(secret);
var source = new StringBuilder();
if (context.SortedQuery != null)
{
// append path
foreach (var key in context.SortedQuery.AllKeys)
{
source.Append(key);
source.Append(context.SortedQuery[key]);
}
}
var buffer = context.Encoding.GetBytes(source.ToString());
var signBytes = hmac.ComputeHash(buffer);
var sb = new StringBuilder();
foreach (byte b in signBytes)
{
sb.Append(b.ToString("x2"));
}
return sb.ToString();
}
public void should_equal_with_online_internet()
{
var mockRequestRepository = new Mock<IRequestRepository>();
mockRequestRepository.SetupGet<string>(s => s.RawUrl).Returns(DEFAULT_URL);
var context = new SignatureContext(mockRequestRepository.Object, Encoding.UTF8);
var md5 = new MD5Signature();
var ret = md5.Sign(context);
Assert.Equal("e78ea96fcecd4a3df8ddf9d776246e6a", ret);
}
public void query_string_is_empty()
{
var mockRequestRepository = new Mock<IRequestRepository>();
mockRequestRepository.SetupGet<string>(s => s.RawUrl).Returns("http://localhost:11944/Misc/EncUtil");
var context = new SignatureContext(mockRequestRepository.Object, Encoding.UTF8);
var md5 = new MD5Signature();
var ret = md5.Sign(context);
Assert.Equal("d41d8cd98f00b204e9800998ecf8427e", ret);
}
public void should_equal_with_snda_result()
{
var mockRequestRepository = new Mock<IRequestRepository>();
mockRequestRepository.SetupGet<string>(s => s.RawUrl).Returns(DEFAULT_URL);
var context = new SignatureContext(mockRequestRepository.Object, Encoding.UTF8);
var sha1 = new SHA1Signature();
var ret = sha1.Sign(context);
Assert.Equal("53ed4585d50783c4fa1a0f5605a299622494169f", ret);
}
public void query_string_is_empty()
{
var mockRequestRepository = new Mock<IRequestRepository>();
mockRequestRepository.SetupGet<string>(s => s.RawUrl).Returns("http://localhost:11944/Misc/EncUtil");
var context = new SignatureContext(mockRequestRepository.Object, Encoding.UTF8);
var sha1 = new SHA1Signature();
var ret = sha1.Sign(context);
Assert.NotEqual("b6a59234783b8ed4afd1cd5d4230bbe0c6de13dd", ret);
}
static string GetMd5Hash(SignatureContext context, MD5 md5Hash, string input)
{
// Convert the input string to a byte array and compute the hash.
var data = md5Hash.ComputeHash(context.Encoding.GetBytes(input));
// Create a new Stringbuilder to collect the bytes
// and create a string.
var sb = new StringBuilder();
// Loop through each byte of the hashed data
// and format each one as a hexadecimal string.
for (int i = 0; i < data.Length; i++)
{
sb.Append(data[i].ToString("x2"));
}
// Return the hexadecimal string.
return sb.ToString();
}
public string Sign(SignatureContext context)
{
var ret = string.Empty;
var source = new StringBuilder();
source.Append(context.Secret);
if (context.SortedQuery != null)
{
foreach (var key in context.SortedQuery.AllKeys)
{
source.Append(key);
source.Append(context.SortedQuery[key]);
}
}
using (MD5 md5Hash = MD5.Create())
{
ret = GetMd5Hash(context, md5Hash, source.ToString());
}
return ret;
}
public string Sign(SignatureContext context)
{
return this.Signature.Sign(context);
}