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Add tvOS support (#23)
* Add tvOS support - Declare tvOS support in Package.swift - Remove unnecessary available annotations - Fix test reference for UID2 target * Add tests and Request type
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14 files changed

+212
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‎.github/workflows/test-pull-request.yml‎

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@@ -19,8 +19,14 @@ jobs:
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- name: Lint code
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run: swiftlint lint --config .swiftlint.yml --reporter github-actions-logging
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- name: Build
23-
run: xcodebuild -scheme UID2 -sdk iphonesimulator16.2 -destination "OS=16.2,name=iPhone 14"
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- name: Build for iOS
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run: xcodebuild -scheme UID2 -destination "generic/platform=iOS"
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- name: Build for tvOS
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run: xcodebuild -scheme UID2 -destination "generic/platform=tvOS"
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- name: Run unit tests
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run: xcodebuild test -scheme UID2Tests -sdk iphonesimulator16.2 -destination "OS=16.2,name=iPhone 14"
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- name: Run unit tests on tvOS
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run: xcodebuild test -scheme UID2Tests -sdk appletvsimulator16.1 -destination "OS=16.1,name=Apple TV"

‎.swiftpm/xcode/xcshareddata/xcschemes/UID2.xcscheme‎

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@@ -28,6 +28,16 @@
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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shouldUseLaunchSchemeArgsEnv = "YES">
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<Testables>
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<TestableReference
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skipped = "NO">
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<BuildableReference
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BuildableIdentifier = "primary"
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BlueprintIdentifier = "UID2Tests"
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BuildableName = "UID2Tests"
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BlueprintName = "UID2Tests"
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ReferencedContainer = "container:">
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</BuildableReference>
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</TestableReference>
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</Testables>
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</TestAction>
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<LaunchAction

‎Development/UID2SDKDevelopmentApp/UID2SDKDevelopmentApp/Networking/AppUID2Client.swift‎

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@@ -10,7 +10,6 @@ import Foundation
1010
import Security
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import UID2
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13-
@available(iOS 13.0, *)
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internal final class AppUID2Client {
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enum RequestTypes: String, CaseIterable {

‎Package.swift‎

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@@ -7,7 +7,8 @@ let package = Package(
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name: "UID2",
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defaultLocalization: "en",
99
platforms: [
10-
.iOS(.v13)
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.iOS(.v13),
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.tvOS(.v13)
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],
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products: [
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.library(

‎README.md‎

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@@ -30,6 +30,7 @@ A framework for integrating [UID2](https://github.com/IABTechLab/uid2docs) into
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| Platform | Minimum target | Swift Version |
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| --- | --- | --- |
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| iOS | 13.0+ | 5.0+ |
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| tvOS | 13.0+ | 5.0+ |
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## Development
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‎Sources/UID2/KeychainManager.swift‎

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@@ -6,7 +6,6 @@ import Foundation
66
import Security
77

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/// Securely manages data in the Keychain
9-
@available(iOS 13.0, *)
109
internal final class KeychainManager {
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/// Singleton access point for KeychainManager

‎Sources/UID2/Networking/NetworkSession.swift‎

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@@ -8,7 +8,6 @@
88
import Foundation
99

1010
/// Common interface for networking and unit testing
11-
@available(iOS 13.0, *)
1211
protocol NetworkSession {
1312

1413
func loadData(for request: URLRequest) async throws -> (Data, Int)

‎Sources/UID2/Networking/RefreshRequest.swift‎

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@@ -0,0 +1,23 @@
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//
2+
// RefreshRequest.swift
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//
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//
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// Created by Dave Snabel-Caunt on 24/04/2024.
6+
//
7+
8+
import Foundation
9+
10+
extension Request {
11+
static func refresh(
12+
token: String
13+
) -> Request {
14+
.init(
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path: "/v2/token/refresh",
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method: .post,
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body: Data(token.utf8),
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headers: [
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"Content-Type": "application/x-www-form-urlencoded"
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]
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)
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}
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}

‎Sources/UID2/Networking/Request.swift‎

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@@ -0,0 +1,35 @@
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//
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// Request.swift
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//
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//
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// Created by Dave Snabel-Caunt on 09/04/2024.
6+
//
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8+
import Foundation
9+
10+
enum Method: String {
11+
case get = "GET"
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case post = "POST"
13+
}
14+
15+
struct Request {
16+
var method: Method
17+
var path: String
18+
var queryItems: [URLQueryItem]
19+
var body: Data?
20+
var headers: [String: String]
21+
22+
init(
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path: String,
24+
method: Method = .get,
25+
queryItems: [URLQueryItem] = [],
26+
body: Data? = nil,
27+
headers: [String: String] = [:]
28+
) {
29+
self.path = path
30+
self.method = method
31+
self.queryItems = queryItems
32+
self.body = body
33+
self.headers = headers
34+
}
35+
}

‎Sources/UID2/UID2Client.swift‎

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Original file line numberDiff line numberDiff line change
@@ -7,7 +7,6 @@
77

88
import Foundation
99

10-
@available(iOS 13.0, *)
1110
internal final class UID2Client {
1211

1312
private let uid2APIURL: String
@@ -16,56 +15,75 @@ internal final class UID2Client {
1615

1716
init(uid2APIURL: String, sdkVersion: String, _ session: NetworkSession = URLSession.shared) {
1817
self.uid2APIURL = uid2APIURL
18+
#if os(tvOS)
19+
self.clientVersion = "tvos-\(sdkVersion)"
20+
#else
1921
self.clientVersion = "ios-\(sdkVersion)"
22+
#endif
2023
self.session = session
2124
}
2225

2326
func refreshIdentity(refreshToken: String, refreshResponseKey: String) async throws -> RefreshAPIPackage {
2427

25-
var components = URLComponents(string: uid2APIURL)
26-
components?.path = "/v2/token/refresh"
27-
28-
guard let urlPath = components?.url?.absoluteString,
29-
let url = URL(string: urlPath) else {
30-
throw UID2Error.urlGeneration
31-
}
32-
33-
var request = URLRequest(url: url)
34-
request.httpMethod = "POST"
35-
request.addValue(clientVersion, forHTTPHeaderField: "X-UID2-Client-Version")
36-
request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
37-
request.httpBody = refreshToken.data(using: .utf8)
38-
39-
let dataResponse = try await session.loadData(for: request)
40-
let data = dataResponse.0
41-
let statusCode = dataResponse.1
42-
43-
let decoder = JSONDecoder()
44-
decoder.keyDecodingStrategy = .convertFromSnakeCase
45-
46-
// Only Decrypt If HTTP Status is 200 (Success or Opt Out)
47-
if statusCode != 200 {
48-
do {
49-
let tokenResponse = try decoder.decode(RefreshTokenResponse.self, from: data)
50-
throw UID2Error.refreshTokenServer(status: tokenResponse.status, message: tokenResponse.message)
51-
} catch {
52-
throw UID2Error.refreshTokenServerDecoding(httpStatus: statusCode, message: error.localizedDescription)
53-
}
54-
}
55-
56-
// Decrypt Data Envelop
57-
// https://github.com/UnifiedID2/uid2docs/blob/main/api/v2/encryption-decryption.md
58-
guard let payloadData = DataEnvelope.decrypt(refreshResponseKey, data, true) else {
59-
throw UID2Error.decryptPayloadData
60-
}
61-
62-
let tokenResponse = try decoder.decode(RefreshTokenResponse.self, from: payloadData)
63-
64-
guard let refreshAPIPackage = tokenResponse.toRefreshAPIPackage() else {
65-
throw UID2Error.refreshResponseToRefreshAPIPackage
28+
let request = Request.refresh(token: refreshToken)
29+
let (data, statusCode) = try await execute(request)
30+
31+
let decoder = JSONDecoder()
32+
decoder.keyDecodingStrategy = .convertFromSnakeCase
33+
34+
// Only Decrypt If HTTP Status is 200 (Success or Opt Out)
35+
if statusCode != 200 {
36+
do {
37+
let tokenResponse = try decoder.decode(RefreshTokenResponse.self, from: data)
38+
throw UID2Error.refreshTokenServer(status: tokenResponse.status, message: tokenResponse.message)
39+
} catch {
40+
throw UID2Error.refreshTokenServerDecoding(httpStatus: statusCode, message: error.localizedDescription)
6641
}
67-
68-
return refreshAPIPackage
6942
}
7043

44+
// Decrypt Data Envelop
45+
// https://github.com/UnifiedID2/uid2docs/blob/main/api/v2/encryption-decryption.md
46+
guard let payloadData = DataEnvelope.decrypt(refreshResponseKey, data, true) else {
47+
throw UID2Error.decryptPayloadData
48+
}
49+
50+
let tokenResponse = try decoder.decode(RefreshTokenResponse.self, from: payloadData)
51+
52+
guard let refreshAPIPackage = tokenResponse.toRefreshAPIPackage() else {
53+
throw UID2Error.refreshResponseToRefreshAPIPackage
54+
}
55+
56+
return refreshAPIPackage
57+
}
58+
59+
// MARK: - Request Execution
60+
61+
internal func urlRequest(
62+
_ request: Request,
63+
baseURL: URL
64+
) -> URLRequest {
65+
var urlComponents = URLComponents(url: baseURL, resolvingAgainstBaseURL: true)!
66+
urlComponents.path = request.path
67+
urlComponents.queryItems = request.queryItems.isEmpty ? nil : request.queryItems
68+
69+
var urlRequest = URLRequest(url: urlComponents.url!)
70+
urlRequest.httpMethod = request.method.rawValue
71+
if request.method == .post {
72+
urlRequest.httpBody = request.body
73+
}
74+
75+
request.headers.forEach { field, value in
76+
urlRequest.addValue(value, forHTTPHeaderField: field)
77+
}
78+
urlRequest.addValue(clientVersion, forHTTPHeaderField: "X-UID2-Client-Version")
79+
return urlRequest
80+
}
81+
82+
private func execute(_ request: Request) async throws -> (Data, Int) {
83+
let urlRequest = urlRequest(
84+
request,
85+
baseURL: URL(string: uid2APIURL)!
86+
)
87+
return try await session.loadData(for: urlRequest)
88+
}
7189
}

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