public void GetApiKeyFromRequest(RequestMessageContext messageContext)
{
ReadOnlySpan <char> authType = AuthTypeApiKey.AsSpan();
StringValues tokenValue;
ReadOnlySpan <char> rawValue;
// first try the authorization header and then try custom header
if (
(this.Request.Headers.TryGetValue(AuthorizationHeader, out tokenValue)) ||
(this.Options.HeaderName != null && this.Request.Headers.TryGetValue(this.Options.HeaderName, out tokenValue))
)
{
rawValue = tokenValue[0].AsSpan();
var spaceIndex = rawValue.IndexOf(' ');
if (spaceIndex <= 0)
{
messageContext.NoResult();
return;
}
authType = rawValue.Slice(0, spaceIndex);
rawValue = rawValue.Slice(spaceIndex + 1);
}
// then try query string
else if (this.Options.QueryString != null && this.Request.Query.TryGetValue(this.Options.QueryString, out tokenValue))
{
rawValue = tokenValue[0].AsSpan();
}
else
{
// I didn't find a token anywhere, so give up
messageContext.NoResult();
return;
}
var SAuthTypeBasic = AuthTypeBasic.AsSpan();
var SAuthTypeApiKey = AuthTypeApiKey.AsSpan();
var SAuthTypeTApiKey = AuthTypeTApiKey.AsSpan();
if (this.Options.HttpBasicEnabled && authType.Equals(SAuthTypeBasic, StringComparison.OrdinalIgnoreCase))
{
this.Logger.LogDebug($"HTTP Basic authentication detected.");
var valueDecoded = System.Text.UTF8Encoding.UTF8.GetString(Convert.FromBase64CharArray(rawValue.ToArray(), 0, rawValue.Length)).AsSpan();
var split = valueDecoded.IndexOf(':');
messageContext.ClientID = valueDecoded.Slice(0, split).ToString();
messageContext.Token = valueDecoded.Slice(split + 1).ToString();
messageContext.AuthenticationType = AuthTypeBasic;
return;
}
else if (
(this.Options.TimeBasedKeyEnabled && authType.Equals(SAuthTypeApiKey, StringComparison.OrdinalIgnoreCase)) ||
(this.Options.StaticKeyEnabled && authType.Equals(SAuthTypeTApiKey, StringComparison.OrdinalIgnoreCase))
)
{
this.Logger.LogDebug($"Authorization {authType.ToString()} detected.");
var indexOfFirstColon = rawValue.IndexOf(':');
if (indexOfFirstColon <= 0)
{
messageContext.Fail(InvalidAuthHeaderMessage);
return;
}
messageContext.ClientID = rawValue.Slice(0, indexOfFirstColon).ToString();
messageContext.Token = rawValue.Slice(indexOfFirstColon + 1).ToString();
messageContext.AuthenticationType = authType.ToString();
return;
}
else
{
messageContext.Fail("Invalid authentication type");
}
messageContext.NoResult();
}