AspNet.Security.OpenId.OpenIdAuthenticationMessage.GetAttributes C# (CSharp) Метод

        public IDictionary<string, string> GetAttributes() {
            var attributes = new Dictionary<string, string>(StringComparer.Ordinal);

            string alias;
            var extensions = GetExtensions();
            // If the ax alias cannot be found, return an empty dictionary.
            if (!extensions.TryGetValue(OpenIdAuthenticationConstants.Namespaces.Ax, out alias)) {
                return attributes;
            }

            foreach (var parameter in Parameters) {
                var prefix = $"{OpenIdAuthenticationConstants.Prefixes.OpenId}.{alias}.{OpenIdAuthenticationConstants.Suffixes.Type}.";

                // Exclude parameters that don't correspond to the attribute exchange alias.
                if (!parameter.Key.StartsWith(prefix, StringComparison.Ordinal)) {
                    continue;
                }

                // Exclude attributes whose alias is malformed.
                var name = parameter.Key.Substring(prefix.Length);
                if (string.IsNullOrEmpty(name)) {
                    continue;
                }

                // Exclude attributes whose type is missing.
                var type = parameter.Value;
                if (string.IsNullOrEmpty(type)) {
                    continue;
                }

                // Exclude attributes whose value is missing.
                string value;
                if (!Parameters.TryGetValue($"{OpenIdAuthenticationConstants.Prefixes.OpenId}.{alias}." +
                                            $"{OpenIdAuthenticationConstants.Suffixes.Value}.{name}", out value)) {
                    continue;
                }

                // Exclude attributes whose value is null or empty.
                if (string.IsNullOrEmpty(value)) {
                    continue;
                }

                attributes.Add(type, value);
            }

            return attributes;
        }