| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| using System; |
| using System.Collections.Generic; |
| using System.Linq; |
| using Grpc.Core.Internal; |
| using Grpc.Core.Utils; |
| |
| namespace Grpc.Core |
| { |
| /// <summary> |
| /// Authentication context for a call. |
| /// AuthContext is the only reliable source of truth when it comes to authenticating calls. |
| /// Using any other call/context properties for authentication purposes is wrong and inherently unsafe. |
| /// Note: experimental API that can change or be removed without any prior notice. |
| /// </summary> |
| public class AuthContext |
| { |
| string peerIdentityPropertyName; |
| Dictionary<string, List<AuthProperty>> properties; |
| |
| /// <summary> |
| /// Initializes a new instance of the <see cref="T:Grpc.Core.AuthContext"/> class. |
| /// </summary> |
| /// <param name="peerIdentityPropertyName">Peer identity property name.</param> |
| /// <param name="properties">Multimap of auth properties by name.</param> |
| internal AuthContext(string peerIdentityPropertyName, Dictionary<string, List<AuthProperty>> properties) |
| { |
| this.peerIdentityPropertyName = peerIdentityPropertyName; |
| this.properties = GrpcPreconditions.CheckNotNull(properties); |
| } |
| |
| /// <summary> |
| /// Returns <c>true</c> if the peer is authenticated. |
| /// </summary> |
| public bool IsPeerAuthenticated |
| { |
| get |
| { |
| return peerIdentityPropertyName != null; |
| } |
| } |
| |
| /// <summary> |
| /// Gets the name of the property that indicates the peer identity. Returns <c>null</c> |
| /// if the peer is not authenticated. |
| /// </summary> |
| public string PeerIdentityPropertyName |
| { |
| get |
| { |
| return peerIdentityPropertyName; |
| } |
| } |
| |
| /// <summary> |
| /// Gets properties that represent the peer identity (there can be more than one). Returns an empty collection |
| /// if the peer is not authenticated. |
| /// </summary> |
| public IEnumerable<AuthProperty> PeerIdentity |
| { |
| get |
| { |
| if (peerIdentityPropertyName == null) |
| { |
| return Enumerable.Empty<AuthProperty>(); |
| } |
| return properties[peerIdentityPropertyName]; |
| } |
| } |
| |
| /// <summary> |
| /// Gets the auth properties of this context. |
| /// </summary> |
| public IEnumerable<AuthProperty> Properties |
| { |
| get |
| { |
| return properties.Values.SelectMany(v => v); |
| } |
| } |
| |
| /// <summary> |
| /// Returns the auth properties with given name (there can be more than one). |
| /// If no properties of given name exist, an empty collection will be returned. |
| /// </summary> |
| public IEnumerable<AuthProperty> FindPropertiesByName(string propertyName) |
| { |
| List<AuthProperty> result; |
| if (!properties.TryGetValue(propertyName, out result)) |
| { |
| return Enumerable.Empty<AuthProperty>(); |
| } |
| return result; |
| } |
| } |
| } |