Add iOS cookie support

Author: jkmassel

ios/Demo-iOS/Sources/ContentView.swift

@@ -4,11 +4,20 @@ import GutenbergKit
 let editorURL: URL? = ProcessInfo.processInfo.environment["GUTENBERG_EDITOR_URL"].flatMap(URL.init)
 
 struct ContentView: View {
+    private let configuration: EditorConfiguration
+
+    init(configuration: EditorConfiguration = .default) {
+        self.configuration = configuration
+    }
+
     var body: some View {
         NavigationSplitView(preferredCompactColumn: .constant(.detail), sidebar: {
             EmptyView()
         }, detail: {
-            EditorView(editorURL: editorURL).navigationBarBackButtonHidden()
+            EditorView(
+                editorURL: editorURL,
+                editorConfiguration: configuration
+            ).navigationBarBackButtonHidden()
         })
     }
 }

ios/Demo-iOS/Sources/EditorView.swift

@@ -2,10 +2,18 @@ import SwiftUI
 import GutenbergKit
 
 struct EditorView: View {
-    var editorURL: URL?
+
+    private let editorURL: URL?
+
+    private let editorConfiguration: EditorConfiguration
+
+    init(editorURL: URL? = nil, editorConfiguration: EditorConfiguration = .default) {
+        self.editorURL = editorURL
+        self.editorConfiguration = editorConfiguration
+    }
 
     var body: some View {
-        _EditorView(editorURL: editorURL)
+        _EditorView(editorURL: editorURL, configuration: editorConfiguration)
             .toolbar {
                 ToolbarItemGroup(placement: .topBarLeading) {
                     Button(action: {}, label: {
@@ -69,10 +77,18 @@ struct EditorView: View {
 }
 
 private struct _EditorView: UIViewControllerRepresentable {
-    var editorURL: URL?
+
+    private let editorURL: URL?
+
+    private let configuration: EditorConfiguration
+
+    init(editorURL: URL? = nil, configuration: EditorConfiguration) {
+        self.editorURL = editorURL
+        self.configuration = configuration
+    }
 
     func makeUIViewController(context: Context) -> EditorViewController {
-        let viewController = EditorViewController()
+        let viewController = EditorViewController(configuration: self.configuration)
         viewController.editorURL = editorURL
         if #available(iOS 16.4, *) {
             viewController.webView.isInspectable = true

ios/Sources/GutenbergKit/Sources/EditorConfiguration.swift

@@ -21,6 +21,7 @@ public struct EditorConfiguration {
     public var editorSettings: [String: Any]?
     /// The locale to use for translations
     public var locale = "en"
+    public var cookies: [HTTPCookie] = []
 
     public init(title: String = "", content: String = "") {
         self.title = title

ios/Sources/GutenbergKit/Sources/EditorViewController.swift

@@ -41,6 +41,12 @@ public final class EditorViewController: UIViewController, GutenbergEditorContro
         config.preferences.setValue(true, forKey: "allowFileAccessFromFileURLs")
         config.setValue(true, forKey: "allowUniversalAccessFromFileURLs")
 
+        // The editor shouldn't try to persist cookies – we want complete control over how they're handled
+        config.websiteDataStore = WKWebsiteDataStore.nonPersistent()
+        for cookie in configuration.cookies {
+            config.websiteDataStore.httpCookieStore.setCookie(cookie)
+        }
+
         // Set-up communications with the editor.
         config.userContentController.add(controller, name: "editorDelegate")