feat(iOS & MacOS): allowUniversalAccessFromFileURLs property(react-native-webview#1730)

* Added allowUniversalAccessFromFileURLs property to iOS and macOS
Updated the types to include allowUniversalAccessFromFileURLs and allowFileAccessFromFileURLs for iOS and macOS
Updated the Reference.md to include in the allowUniversalAccessFromFileURLs section iOS and macOS

* Updated platform in the type definition

Author: RecianuCiprian

apple/RNCWebView.h

@@ -57,6 +57,7 @@
 @property (nonatomic, assign) BOOL javaScriptEnabled;
 @property (nonatomic, assign) BOOL javaScriptCanOpenWindowsAutomatically;
 @property (nonatomic, assign) BOOL allowFileAccessFromFileURLs;
+@property (nonatomic, assign) BOOL allowUniversalAccessFromFileURLs;
 @property (nonatomic, assign) BOOL allowsLinkPreview;
 @property (nonatomic, assign) BOOL showsHorizontalScrollIndicator;
 @property (nonatomic, assign) BOOL showsVerticalScrollIndicator;

apple/RNCWebView.m

@@ -213,6 +213,9 @@ - (WKWebViewConfiguration *)setUpWkWebViewConfig
     prefs.javaScriptEnabled = NO;
     _prefsUsed = YES;
   }
+  if (_allowUniversalAccessFromFileURLs) {
+    [wkWebViewConfig setValue:@TRUE forKey:@"allowUniversalAccessFromFileURLs"];
+  }
   if (_allowFileAccessFromFileURLs) {
     [prefs setValue:@TRUE forKey:@"allowFileAccessFromFileURLs"];
     _prefsUsed = YES;

apple/RNCWebViewManager.m

@@ -59,6 +59,7 @@ - (RCTUIView *)view
 RCT_EXPORT_VIEW_PROPERTY(javaScriptEnabled, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(javaScriptCanOpenWindowsAutomatically, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(allowFileAccessFromFileURLs, BOOL)
+RCT_EXPORT_VIEW_PROPERTY(allowUniversalAccessFromFileURLs, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(allowsInlineMediaPlayback, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(mediaPlaybackRequiresUserAction, BOOL)
 #if WEBKIT_IOS_10_APIS_AVAILABLE

docs/Reference.md

@@ -1092,9 +1092,9 @@ Boolean that sets whether JavaScript running in the context of a file scheme URL
 
 Boolean that sets whether JavaScript running in the context of a file scheme URL should be allowed to access content from any origin. Including accessing content from other file scheme URLs. The default value is `false`.
 
-| Type | Required | Platform |
-| ---- | -------- | -------- |
-| bool | No       | Android  |
+| Type | Required | Platform             |
+| ---- | -------- | -------------------- |
+| bool | No       | iOS, Android, macOS  |
 
 ---
 

src/WebViewTypes.ts

@@ -313,6 +313,8 @@ export interface IOSNativeWebViewProps extends CommonNativeWebViewProps {
   allowsBackForwardNavigationGestures?: boolean;
   allowsInlineMediaPlayback?: boolean;
   allowsLinkPreview?: boolean;
+  allowFileAccessFromFileURLs?: boolean;
+  allowUniversalAccessFromFileURLs?: boolean;
   automaticallyAdjustContentInsets?: boolean;
   autoManageStatusBarEnabled?: boolean;
   bounces?: boolean;
@@ -334,6 +336,8 @@ export interface IOSNativeWebViewProps extends CommonNativeWebViewProps {
 
 export interface MacOSNativeWebViewProps extends CommonNativeWebViewProps {
   allowingReadAccessToURL?: string;
+  allowFileAccessFromFileURLs?: boolean;
+  allowUniversalAccessFromFileURLs?: boolean;
   allowsBackForwardNavigationGestures?: boolean;
   allowsInlineMediaPlayback?: boolean;
   allowsLinkPreview?: boolean;
@@ -548,6 +552,22 @@ export interface IOSWebViewProps extends WebViewSharedProps {
    */
   allowingReadAccessToURL?: string;
 
+  /**
+   * Boolean that sets whether JavaScript running in the context of a file
+   * scheme URL should be allowed to access content from other file scheme URLs.
+   * Including accessing content from other file scheme URLs
+   * @platform ios
+   */
+  allowFileAccessFromFileURLs?: boolean;
+
+  /**
+   * Boolean that sets whether JavaScript running in the context of a file
+   * scheme URL should be allowed to access content from any origin.
+   * Including accessing content from other file scheme URLs
+   * @platform ios
+   */
+  allowUniversalAccessFromFileURLs?: boolean;
+
   /**
    * Function that is invoked when the WebKit WebView content process gets terminated.
    * @platform ios
@@ -726,6 +746,22 @@ export interface MacOSWebViewProps extends WebViewSharedProps {
    */
   allowingReadAccessToURL?: string;
 
+  /**
+   * Boolean that sets whether JavaScript running in the context of a file
+   * scheme URL should be allowed to access content from other file scheme URLs.
+   * Including accessing content from other file scheme URLs
+   * @platform macos
+   */
+  allowFileAccessFromFileURLs?: boolean;
+
+  /**
+   * Boolean that sets whether JavaScript running in the context of a file
+   * scheme URL should be allowed to access content from any origin.
+   * Including accessing content from other file scheme URLs
+   * @platform macos
+   */
+  allowUniversalAccessFromFileURLs?: boolean;
+
   /**
    * Function that is invoked when the WebKit WebView content process gets terminated.
    * @platform macos