| #region Copyright notice and license |
| |
| // Copyright 2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #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; |
| } |
| } |
| } |