Relocate common concurrency features into a separate library for reuse (#257)

* Relocate common concurrency features into a separate library for reuse
* Include CommonSupport in OktaAuthFoundation cocoapod
* Update CommonSupport imports to be contextual for CocoaPods

Author: AlexNachbaur

OktaAuthFoundation.podspec

@@ -24,7 +24,7 @@ Provides the foundation and common features used to authenticate users, managing
     s.authors       = { "Okta Developers" => "developer@okta.com"}
     s.source        = { :git => "https://github.com/okta/okta-mobile-swift.git", :tag => s.version.to_s }
 
-    s.source_files  = "Sources/AuthFoundation/**/*.swift"
+    s.source_files  = "Sources/{AuthFoundation,CommonSupport}/**/*.swift"
     s.resource_bundles = { "AuthFoundation" => "Sources/AuthFoundation/Resources/**/*" }
     s.swift_versions = ['5.10', '6.0']
     s.prefix_header_file = false

Package.swift

@@ -39,7 +39,8 @@ var package = Package(
         .macCatalyst(.v13)
     ],
     products: [
-        .library(name: "AuthFoundation", targets: ["AuthFoundation"]),
+        .library(name: "CommonSupport", targets: ["CommonSupport"]),
+        .library(name: "AuthFoundation", targets: ["CommonSupport", "AuthFoundation"]),
         .library(name: "OAuth2Auth", targets: ["OAuth2Auth"]),
         .library(name: "OktaDirectAuth", targets: ["OktaDirectAuth"]),
         .library(name: "OktaIdxAuth", targets: ["OktaIdxAuth"])
@@ -48,8 +49,10 @@ var package = Package(
         .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.4.0")
     ],
     targets: [
+        .target(name: "CommonSupport",
+                swiftSettings: .libraryTarget),
         .target(name: "AuthFoundation",
-                dependencies: [],
+                dependencies: ["CommonSupport"],
                 resources: [.process("Resources")],
                 swiftSettings: .libraryTarget),
         .target(name: "OAuth2Auth",
@@ -75,6 +78,9 @@ var package = Package(
                 dependencies: ["AuthFoundation"],
                 path: "Tests/TestCommon",
                 swiftSettings: .testTarget),
+        .testTarget(name: "CommonSupportTests",
+                    dependencies: ["CommonSupport", "TestCommon"],
+                    swiftSettings: .testTarget),
         .testTarget(name: "AuthFoundationTests",
                     dependencies: ["AuthFoundation", "TestCommon"],
                     resources: [

Sources/AuthFoundation/Debugging/APIRequestObserver.swift

@@ -20,6 +20,10 @@
 import Foundation
 import OSLog
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 #if compiler(<6.0)
 extension OSLog: @unchecked Sendable {}
 #endif

Sources/AuthFoundation/JWT/JWK.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 /// Describes an individual key from an authorization server, which can be used to validate tokens or encrypt content.
 ///
 /// > Warning: At this time, this class only supports RSA Public Keys.

Sources/AuthFoundation/Migration/Migration.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 /// Namespace used for a variety of version migration agents.
 public final class Migration {
     /// Determines whether or not some user data needs to be migrated.

Sources/AuthFoundation/Migration/SDKVersion.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 #if canImport(UIKit)
 import UIKit
 #endif

Sources/AuthFoundation/OAuth2/Authentication.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 /// A common delegate protocol that all authentication flows should support.
 public protocol AuthenticationDelegate: AnyObject {
     /// Sent when an authentication session starts.

Sources/AuthFoundation/OAuth2/OAuth2Client.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 #if canImport(FoundationNetworking)
 import FoundationNetworking
 #endif

Sources/AuthFoundation/Security/Keychain.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 #if os(iOS) || os(macOS) || os(tvOS) || os(watchOS) || (swift(>=5.10) && os(visionOS))
 
 #if canImport(LocalAuthentication) && !os(tvOS)

Sources/AuthFoundation/Token Management/Token.swift

@@ -12,6 +12,10 @@
 
 import Foundation
 
+#if !COCOAPODS
+import CommonSupport
+#endif
+
 /// Token information representing a user's access to a resource server, including access token, refresh token, and other related information.
 public struct Token: Sendable, Codable, Equatable, Hashable, JSONClaimContainer, Expires {
     public typealias ClaimType = TokenClaim