feat: Credential feature IDs (#945)

* Add Attributes propertybag to identity objects.

* Update unit test.

---------

Co-authored-by: Sichan Yoo <[email protected]>
Co-authored-by: Josh Elkins <[email protected]>

Author: 3 people

Sources/SmithyIdentity/AWSCredentialIdentity.swift

@@ -7,6 +7,7 @@
 
 import protocol SmithyIdentityAPI.Identity
 import struct Foundation.Date
+import struct Smithy.Attributes
 
 /// A type representing AWS credentials for authenticating with an AWS service
 ///
@@ -17,6 +18,7 @@ public struct AWSCredentialIdentity: Identity {
     public let accountID: String?
     public let sessionToken: String?
     public let expiration: Date?
+    public let properties: Attributes
 
     /// Creates AWS credentials with the specified keys and optionally an expiration and session token.
     ///
@@ -26,17 +28,20 @@ public struct AWSCredentialIdentity: Identity {
     ///   - accountID: The account ID for the credentials, if known.  Defaults to `nil`.
     ///   - expiration: The date when the credentials will expire and no longer be valid. If value is `nil` then the credentials never expire. Defaults to `nil`
     ///   - sessionToken: A session token for this session. Defaults to `nil`
+    ///   - properties: Arbitrary grab-bag of properties related to this credentials object.
     public init(
         accessKey: String,
         secret: String,
         accountID: String? = nil,
         expiration: Date? = nil,
-        sessionToken: String? = nil
+        sessionToken: String? = nil,
+        properties: Attributes = Attributes()
     ) {
         self.accessKey = accessKey
         self.secret = secret
         self.accountID = accountID
         self.expiration = expiration
         self.sessionToken = sessionToken
+        self.properties = properties
     }
 }

Sources/SmithyIdentity/BearerTokenIdentity.swift

@@ -7,14 +7,17 @@
 
 import protocol SmithyIdentityAPI.Identity
 import struct Foundation.Date
+import struct Smithy.Attributes
 
 /// The type representing bearer token identity, used in HTTP bearer auth.
 public struct BearerTokenIdentity: Identity {
     public let token: String
     public let expiration: Date?
+    public let properties: Attributes
 
-    public init(token: String, expiration: Date? = nil) {
+    public init(token: String, expiration: Date? = nil, properties: Attributes = Attributes()) {
         self.token = token
         self.expiration = expiration
+        self.properties = properties
     }
 }

Sources/SmithyIdentityAPI/Identity.swift

@@ -6,8 +6,10 @@
 //
 
 import struct Foundation.Date
+import struct Smithy.Attributes
 
 // Base protocol for all identity types
 public protocol Identity: Sendable {
     var expiration: Date? { get }
+    var properties: Attributes { get }
 }

Sources/SmithyTestUtil/RequestTestUtil/AuthTestUtil/MockIdentity.swift

@@ -11,7 +11,9 @@ import SmithyIdentityAPI
 import ClientRuntime
 
 public struct MockIdentity: Identity {
-    public init() {}
+    public var properties: Smithy.Attributes
+
+    public init() { self.properties = Attributes() }
     public var expiration: Date? = nil
 }