Proof of concept

Author: Lukas Schmidt

Cartfile

@@ -0,0 +1 @@
+github "daltoniam/Starscream" ~> 2.0

Cartfile.resolved

@@ -0,0 +1 @@
+github "daltoniam/Starscream" "2.1.1"

Socket.IO-Client-Swift.xcodeproj/project.pbxproj

@@ -23,7 +23,7 @@
 //  THE SOFTWARE.
 
 import Foundation
-import StarscreamSocketIO
+import Starscream
 
 protocol ClientOption : CustomStringConvertible, Equatable {
     func getSocketIOOptionValue() -> Any

Source/SocketIO/Client/SocketIOClientOption.swift

@@ -24,7 +24,7 @@
 
 import Dispatch
 import Foundation
-import StarscreamSocketIO
+import Starscream
 
 /// The class that handles the engine.io protocol and transports.
 /// See `SocketEnginePollable` and `SocketEngineWebsocket` for transport specific methods.
@@ -134,7 +134,7 @@ public final class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePoll
     private var pongsMissedMax = 0
     private var probeWait = ProbeWaitQueue()
     private var secure = false
-    private var security: SSLSecurity?
+    private var security: SocketIO.SSLSecurity?
     private var selfSigned = false
 
     // MARK: Initializers
@@ -330,7 +330,7 @@ public final class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePoll
         ws?.enableCompression = compress
         ws?.delegate = self
         ws?.disableSSLCertValidation = selfSigned
-        ws?.security = security
+        ws?.security = security?.security
 
         ws?.connect()
     }

Source/SocketIO/Engine/SocketEngine.swift

@@ -24,7 +24,7 @@
 //
 
 import Foundation
-import StarscreamSocketIO
+import Starscream
 
 /// Specifies a SocketEngine.
 @objc public protocol SocketEngineSpec {

Source/SocketIO/Engine/SocketEngineSpec.swift

@@ -24,7 +24,7 @@
 //
 
 import Foundation
-import StarscreamSocketIO
+import Starscream
 
 /// Protocol that is used to implement socket.io WebSocket support
 public protocol SocketEngineWebsocket : SocketEngineSpec, WebSocketDelegate {

Source/SocketIO/Engine/SocketEngineWebsocket.swift

@@ -0,0 +1,30 @@
+//
+//  SSLSecurity.swift
+//  SocketIO-iOS
+//
+//  Created by Lukas Schmidt on 24.09.17.
+//
+
+import Starscream
+
+public class SSLSecurity: NSObject {
+    public let security: Starscream.SSLSecurity
+
+    init(security: Starscream.SSLSecurity) {
+        self.security = security
+    }
+
+    public convenience init(usePublicKeys: Bool = true) {
+        let security = Starscream.SSLSecurity(usePublicKeys: usePublicKeys)
+        self.init(security: security)
+    }
+
+    public convenience init(certs: [SSLCert], usePublicKeys: Bool) {
+        let security = Starscream.SSLSecurity(certs: certs, usePublicKeys: usePublicKeys)
+        self.init(security: security)
+    }
+
+    public func isValid(_ trust: SecTrust, domain: String?) -> Bool {
+        return security.isValid(trust, domain: domain)
+    }
+}

Source/SocketIO/Util/SSLSecurity.swift

@@ -23,7 +23,7 @@
 //  THE SOFTWARE.
 
 import Foundation
-import StarscreamSocketIO
+import Starscream
 
 enum JSONError : Error {
     case notArray