From 0d16017f4368d0f2607ebb28db816614f377c3af Mon Sep 17 00:00:00 2001
From: SBiOSoftWhare <steveb@matrix.org>
Date: Tue, 27 Oct 2020 10:16:39 +0100
Subject: [PATCH] Add Jitsi Well Known codable representation.

---
 .../Jitsi/JitsiAuthenticationType.swift       | 47 ++++++++++++
 .../Widgets/Jitsi/JitsiWellKnown.swift        | 41 ++++++++++
 RiotTests/JitsiWellKnownTests.swift           | 76 +++++++++++++++++++
 3 files changed, 164 insertions(+)
 create mode 100644 Riot/Modules/Integrations/Widgets/Jitsi/JitsiAuthenticationType.swift
 create mode 100644 Riot/Modules/Integrations/Widgets/Jitsi/JitsiWellKnown.swift
 create mode 100644 RiotTests/JitsiWellKnownTests.swift

diff --git a/Riot/Modules/Integrations/Widgets/Jitsi/JitsiAuthenticationType.swift b/Riot/Modules/Integrations/Widgets/Jitsi/JitsiAuthenticationType.swift
new file mode 100644
index 000000000..d7248afb2
--- /dev/null
+++ b/Riot/Modules/Integrations/Widgets/Jitsi/JitsiAuthenticationType.swift
@@ -0,0 +1,47 @@
+// 
+// Copyright 2020 New Vector Ltd
+//
+// 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.
+//
+
+import Foundation
+
+/// `JitsiAuthenticationType` represents authentification type supported by a Jitsi server
+enum JitsiAuthenticationType: Equatable {
+    case openIDTokenJWT
+    case other(String)
+            
+    private enum KnownAuthenticationType: String {
+        case openIDTokenJWT = "openidtoken-jwt"
+    }
+    
+    var identifier: String {
+        switch self {
+        case .openIDTokenJWT:
+            return KnownAuthenticationType.openIDTokenJWT.rawValue
+        case .other(let authentificationString):
+            return authentificationString
+        }
+    }
+}
+
+extension JitsiAuthenticationType {
+    init(_ value: String) {
+        switch value {
+        case KnownAuthenticationType.openIDTokenJWT.rawValue:
+            self = .openIDTokenJWT
+        default:
+            self = .other(value)
+        }
+    }
+}
diff --git a/Riot/Modules/Integrations/Widgets/Jitsi/JitsiWellKnown.swift b/Riot/Modules/Integrations/Widgets/Jitsi/JitsiWellKnown.swift
new file mode 100644
index 000000000..4214b7c14
--- /dev/null
+++ b/Riot/Modules/Integrations/Widgets/Jitsi/JitsiWellKnown.swift
@@ -0,0 +1,41 @@
+// 
+// Copyright 2020 New Vector Ltd
+//
+// 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.
+//
+
+import Foundation
+
+/// `JitsiWellKnown` represents configuration specific to a Jitsi domain
+struct JitsiWellKnown {
+    let authenticationType: JitsiAuthenticationType?
+}
+
+// MARK: Decodable
+extension JitsiWellKnown: Decodable {
+    /// JSON keys associated to VectorWellKnown properties
+    enum CodingKeys: String, CodingKey {
+        case authenticationType = "auth"
+    }
+    
+    init(from decoder: Decoder) throws {
+        
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        if let authenticationTypeString = try container.decodeIfPresent(String.self, forKey: .authenticationType) {
+            self.authenticationType = JitsiAuthenticationType(authenticationTypeString)
+        } else {
+            self.authenticationType = nil
+        }
+    }
+}
diff --git a/RiotTests/JitsiWellKnownTests.swift b/RiotTests/JitsiWellKnownTests.swift
new file mode 100644
index 000000000..1d32effa3
--- /dev/null
+++ b/RiotTests/JitsiWellKnownTests.swift
@@ -0,0 +1,76 @@
+// 
+// Copyright 2020 New Vector Ltd
+//
+// 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.
+//
+
+import XCTest
+
+@testable import Riot
+
+class JitsiWellKnownTests: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    // MARK: - Tests
+    
+    func testJitsiWellKnownParsingKnownValue() {
+
+        let wellKnownDictionary: [String: Any] = [
+            "auth": "openidtoken-jwt"
+        ]
+        
+        let serializationService = SerializationService()
+
+        do {
+            let jitsiWellKnown: JitsiWellKnown = try serializationService.deserialize(wellKnownDictionary)
+
+            let jistiAuthenticationType = jitsiWellKnown.authenticationType
+
+            XCTAssertNotNil(jistiAuthenticationType)
+
+            XCTAssertEqual(jistiAuthenticationType, .openIDTokenJWT)
+        } catch {
+            XCTFail("Fail with error: \(error)")
+        }
+    }
+    
+    func testJitsiWellKnownParsingUnknownValue() {
+
+        let expectedAuthenticationTypeString = "other-authentication"
+        
+        let wellKnownDictionary: [String: Any] = [
+            "auth": expectedAuthenticationTypeString
+        ]
+        
+        let serializationService = SerializationService()
+
+        do {
+            let jitsiWellKnown: JitsiWellKnown = try serializationService.deserialize(wellKnownDictionary)
+
+            let jistiAuthenticationType = jitsiWellKnown.authenticationType
+
+            XCTAssertNotNil(jistiAuthenticationType)
+            
+            XCTAssertEqual(jistiAuthenticationType, .other(expectedAuthenticationTypeString))
+        } catch {
+            XCTFail("Fail with error: \(error)")
+        }
+    }
+}